CN120502074A - Multifunctional breathing training equipment - Google Patents

Abstract

The present application provides a multifunctional breathing training device, comprising a shell, an isolation plate and a vibration unit, the shell having an inner cavity and an air inlet end and an air outlet end communicating with the inner cavity; the isolation plate is arranged in the shell to isolate the inner cavity into a first cavity and a second cavity, and the isolation plate is provided with a through hole; the vibration unit comprises a bracket, a swing arm and a switch valve, the bracket is fixedly arranged relative to the shell, the first end of the swing arm is close to the air inlet end and is rotatably connected to the bracket, the second end of the swing arm is close to the air outlet end, the switch valve connects the first end and the second end and is located in the through hole, the switch valve periodically rotates around the bracket with the swing arm to open the through hole when the pressure in the first cavity is greater than the pressure in the second cavity, and returns to the through hole under the action of the restoring force of the swing arm, thereby generating vibration sound waves; during exhalation, the periodic pressure change range of the first cavity is 0~ _90cmH2O ; during inhalation, the periodic pressure change range of the second cavity is 90~ _0cmH2O , so as to alleviate or treat snoring and other problems.

Description

Multifunctional respiratory training apparatus

Technical Field

The application relates to the technical field of medical appliances, in particular to a multifunctional respiratory training appliance.

Background

Obstructive sleep apnea syndrome (OSAHS, OSAS) refers to an apnea caused by an upper airway obstruction lesion, primarily characterized by snoring during sleep.

There are three common causes of snoring, the first caused by weakness in the oral muscle groups and the second caused by weakness in the nasal muscle groups. The third is due to adenoid hypertrophy. The treatment methods for snoring generally comprise surgical excision, snore stopping device, exercise weight losing therapy and the like.

Surgical excision therapy is to cut off the part of local upper airway stenosis obviously caused by tonsil, adenoid hypertrophy and the like, is invasive intervention, is traumatic to a patient, and is not acceptable.

Snore stopping therapy is currently the primary means of preventing sleep snoring. The breathing machine or the snore stopping plaster, the snore stopping tooth sleeve, the snore stopping belt and the like are arranged before sleeping, so that the respiratory tract of a patient is unobstructed in the sleeping process. However, because the device is required to be carried frequently during sleeping, the patient has low acceptance, and once the patient leaves the device, the patient can easily recover the snoring again, so that the snoring stopping therapy can only stop the snoring and can not treat the snoring.

The exercise weight-losing therapy can fundamentally solve the problem of respiratory muscle weakness caused by obesity, but a certain place and time are needed for exercise, most people are difficult to extract time and find proper places to perform weight-losing exercise at present because of busy time, and the exercise effect is mainly reflected on the body surface and cannot perform better direct exercise on the muscles of throat and nasal cavity.

The nasal cavity and sinuses are located under the cranium and above the throat and mouth, between the two orbits. Nasal and sinus lesions often spread to nearby tissues and can cause a variety of complications. Since the sinuses are cavities in the bones around the nasal cavity, the sinusitis is often infected due to the obstruction of ventilation and drainage of the sinuses caused by the narrowing of the sinus passages, and also the infected sinuses are difficult to cure due to the inflammation caused by the narrowing of the sinus passages, and the sinusitis can further spread to the nasal cavity to form rhinitis. While drugs for treating sinusitis and rhinitis on the market are generally difficult to act on lesions, the drugs are difficult to act on lesions due to the blockage of sinuses although the drug can be directly administered to lesions by an atomization treatment method.

At the same time, weakness of the two large muscle groups, the expiratory and inspiratory muscles, is also a cause of nasopharyngeal diseases and related conditions.

Sputum is a secretion of human respiratory tract, it is pushed from lung to respiratory tract by movement of cilia of bronchus and cilia movement of epithelium, finally, it is discharged from the trachea through normal cough reflex of human, normal human sputum is little, only a small amount of mucus is secreted by keeping respiratory tract moist. However, when people inhale harmful microorganisms such as irritant gas, dust, pathogenic bacteria and viruses, inflammation of the upper respiratory tract or diseases of the lung may occur, secretion of respiratory tract may increase, sputum volume may increase, and sputum property may change, and sticky sputum may become purulent sputum. However, patients often cannot spontaneously discharge phlegm, so that sputum is gathered, and expectoration is not easy to occur.

Disclosure of Invention

The application provides a multifunctional respiratory training instrument for solving the problems.

The embodiment of the application realizes the aim through the following technical scheme.

A multifunctional respiratory training apparatus comprises a shell, a separation plate and a vibration unit, wherein the shell is provided with an inner cavity, an air inlet end and an air outlet end which are communicated with the inner cavity, the separation plate is arranged in the shell and separates the inner cavity into a first cavity and a second cavity, the separation plate is provided with a through hole, the vibration unit comprises a support, a swing arm and a switch valve, the support is fixedly arranged relative to the shell, the first end of the swing arm is close to the air inlet end and is rotatably connected with the support, the second end of the swing arm is close to the air outlet end, the switch valve is connected with the first end and the second end and is positioned in the through hole, the switch valve periodically rotates along with the swing arm around the support to open the through hole when the pressure of the first cavity is higher than the pressure of the second cavity, and resets to the through hole under the action of restoring force of the swing arm, so that vibration sound waves are generated, during the period, training air flows into the first cavity through the air inlet end and flows out of the second cavity through the through hole, during exhalation, the periodic pressure change range of the first cavity is 0-90 cm H2O, the periodic pressure change range of the second cavity is-90 cm H2O, and the training air flow is the air flow when the air flow is breathed out, and the air flow is the air flow from the air inlet end to the air outlet end.

In some embodiments, the first chamber has a frequency of pressure change of 20 to 300hz during exhalation and the second chamber has a frequency of pressure change of 20 to 300hz during inhalation.

In some embodiments, the volume of the first chamber ranges from 5cm ³～25cm³ when the multifunctional respiratory training apparatus is used only for exhalation, the volume of the second chamber ranges from 5cm ³～25cm³ when the multifunctional respiratory training apparatus is used only for inhalation, the volume of the first chamber ranges from 5cm ³～25cm³ when the multifunctional respiratory training apparatus is used for both exhalation and inhalation, and the volume of the second chamber ranges from 5cm ³～25cm³.

In some embodiments, the air inlet end is provided with only one air inlet, the air outlet end is provided with only one air outlet, and the training air flow flows in from the air inlet and flows out from the air outlet.

In some embodiments, the multi-functional respiratory training apparatus further comprises a mouthpiece that is adapted to the air inlet end, or to the air outlet end, or to both the air inlet end and the air outlet end.

In some embodiments, the multi-functional respiratory training apparatus further comprises a mask body that is adapted to the user's mouth and/or nose to provide a working gas flow, the mask body having an inlet end or adapted to an outlet end, or to both the inlet end and the outlet end.

In some embodiments, the mouthpiece or housing is provided with a first locating portion and the housing is provided with a second locating portion at the outlet or inlet end, the second locating portion being adapted to co-operate with the first locating portion.

In some embodiments, the first positioning part is a positioning groove, the second positioning part is a positioning column, the positioning column is in interference fit with the positioning groove, the mouthpiece or the cover body comprises an inner wall, the positioning groove is formed in the inner wall, and the bottom surface of the groove where the positioning groove is located extends outwards relative to the inner wall.

In some embodiments, the mouthpiece or cover includes a stepped connection portion and a free portion, the stepped connection portion including a first peripheral wall and a second peripheral wall, the first peripheral wall being closer to the free portion than the second peripheral wall, the first peripheral wall having a smaller diameter than the second peripheral wall.

In some embodiments, the multi-functional respiratory training apparatus further comprises a multi-functional connector for communicating with the housing, mouthpiece or cover, and the external apparatus.

In some embodiments, the gravity of the shell and the content of the shell is F, the shell comprises an air inlet end face at an air inlet end and an air outlet end face at an air outlet end, the moment arm from the action line of gravity to the air inlet end face is r1, the moment is M1, M1=F.r1, wherein 0< M1≤0.6 kgf.cm, the moment arm from the action line of gravity to the air outlet end face is r2, the moment is M2, M2=F.r1, wherein 0< M2≤0.6 kgf.cm.

In some embodiments, the perpendicular spacing of the inlet end face and the outlet end face is L, wherein L≤150 mm.

Compared with the prior art, the multifunctional respiratory training apparatus provided by the application can be used for relieving or treating the problems of snoring, nasal obstruction and difficult administration caused by hypertrophy of oral muscle groups, nasal muscle groups and adenoids, and the like, and the problems of weakness of exhalation muscles and/or weakness of inhalation muscles, incapacity of spontaneously expelling phlegm and the like.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic illustration of a multi-functional respiratory training apparatus (including a mouthpiece) provided in accordance with one embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a housing of the multi-functional respiratory training apparatus shown in FIG. 1;

FIG. 3 is a schematic view of the separator and vibration unit of the multi-functional respiratory training apparatus shown in FIG. 1;

FIG. 4 is a schematic view of the structure of a mouthpiece of a multi-functional respiratory training apparatus provided in one embodiment of the present application;

FIG. 5 is a schematic cross-sectional view of a housing of a multi-functional respiratory training apparatus provided in one embodiment of the present application;

FIG. 6 is a schematic view of the structure of a mouthpiece of a multi-functional respiratory training apparatus according to another embodiment of the present application;

FIG. 7 is a schematic view of the mouthpiece and housing connection shown in FIG. 4;

FIG. 8 is a schematic view of the mouthpiece and housing connection shown in FIG. 6;

FIG. 9 is a schematic view of the structure of a mouthpiece of a multi-functional respiratory training apparatus provided in accordance with yet another embodiment of the present application;

FIG. 10 is a schematic cross-sectional view of a housing of a multi-functional respiratory training apparatus provided in one embodiment of the present application;

FIG. 11 is a schematic cross-sectional view of a housing of a multi-functional respiratory training apparatus provided in accordance with another embodiment of the present application;

FIG. 12 is a schematic cross-sectional view of a housing of a multi-functional respiratory training apparatus provided in accordance with yet another embodiment of the present application;

FIG. 13 is a schematic view of the structure of a cover of a multifunctional respiratory training apparatus according to one embodiment of the present application;

FIG. 14 is a schematic view of another angle configuration of the enclosure shown in FIG. 13;

FIG. 15 is a schematic view of the structure of a cover of a multifunctional respiratory training apparatus according to one embodiment of the present application;

FIG. 16 is a schematic view of the structure of a cover of a multi-functional respiratory training apparatus provided by an embodiment of the present application;

FIG. 17 is a schematic view in partial cross-section of FIG. 16;

FIG. 18 is a schematic view of the structure of a cover of a multi-functional respiratory training apparatus provided by an embodiment of the present application;

FIG. 19 is a schematic view in partial cross-section of FIG. 18;

FIG. 20 is a schematic view of the structure of a cover of a multifunctional respiratory training apparatus according to one embodiment of the present application;

FIG. 21 is a partially exploded schematic view of FIG. 20;

FIG. 22 is a schematic view of a multi-functional respiratory training apparatus (including a multi-functional joint) provided in accordance with one embodiment of the present application;

Fig. 23 is a torque schematic of a multifunctional respiratory training apparatus provided in one embodiment of the present application.

Detailed Description

In order to enable those skilled in the art to better understand the present application, the following description will make clear and complete descriptions of the technical solutions according to the embodiments of the present application with reference to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. And that all other embodiments, which are intended to be within the scope of the present application, will be within the scope of the present application as defined by the appended claims.

It should be noted that all the directional indicators in the embodiments of the present application are only used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture, and if the specific posture is changed, the directional indicators are correspondingly changed.

In addition, the technical solutions of the embodiments of the present application may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present application.

Referring to fig. 1,2 and 3, the embodiment of the application provides a multifunctional respiratory training apparatus 100, which comprises a housing 1, a partition board 2 and a vibration unit 3, wherein the housing 1 is provided with an inner cavity 10, an air inlet end 11 and an air outlet end 12 which are communicated with the inner cavity 10, the partition board 2 is arranged in the housing 1 to partition the inner cavity 10 into a first cavity 101 and a second cavity 102, the partition board 2 is provided with a through hole 20, the vibration unit 3 comprises a bracket 30, a swing arm 31 and a switch valve 32, the bracket 30 is fixedly arranged relative to the housing 1, the first end 311 of the swing arm 31 is close to the air inlet end 11 and is rotatably connected with the bracket 30, the second end 312 of the swing arm 31 is close to the air outlet end 12, the switch valve 32 is connected with the first end 311 and the second end 312 and is positioned in the through hole 20, the switch valve 32 rotates along with the swing arm 31 around the bracket 30 when the pressure of the first cavity 101 is larger than the pressure of the second cavity 102, and resets to the through hole 20 under the restoring force of the swing arm 31, thereby vibration sound waves are generated, during which, a training air flow enters the first cavity 11 and enters the first cavity 101 and flows out of the second cavity 102 through the through hole 102 to 90cm h from the first cavity 101 to 90cm h periodically when the pressure varies from the second cavity 101 to 90cm h. The training air flow is an expiratory air flow or an inspiratory air flow, wherein the expiratory air flow is an air flow breathed in towards the air inlet end 11, and the inspiratory air flow is an air flow sucked out at the air outlet end 12.

This range of pressure changes allows for more pronounced vibration of the associated muscle groups, and in particular, it allows for the effects of exercising the oral muscle groups, nasal muscle groups, adenoids, and opening sinus passages, exercising the expiratory muscles, exercising the inspiratory muscles, vibrating the respiratory tract to aid in sputum excretion, thus alleviating or treating snoring due to weakness of the oral muscle groups, snoring due to weakness of the nasal muscle groups, snoring due to hypertrophy of the adenoids, and conditions that are difficult to administer due to sinus blockage, as well as conditions of weakness of the expiratory and inspiratory muscles, inability to voluntarily excrete sputum.

In some embodiments, by adjusting the resistance of the switch valve 32, the frequency of the pressure change of the first chamber 101 is 20-300 hz during exhalation, and the frequency of the pressure change of the second chamber 102 is 20-300 hz during inhalation, so that the related muscle group vibrates at a preset frequency, and better therapeutic and exercise effects are achieved.

The volume of the first chamber 101 ranges from 5cm ³～25cm³ when the multifunctional respiratory training apparatus 100 is only used for exhalation, the volume of the second chamber 102 ranges from 5cm ³～25cm³ when the multifunctional respiratory training apparatus 100 is only used for inhalation, the volume of the first chamber 101 ranges from 5cm ³～25cm³ when the multifunctional respiratory training apparatus 100 is used for both exhalation and inhalation, and the volume of the second chamber 102 ranges from 5cm ³～25cm³.

When the expiratory flow is constant, the smaller the volume of the first cavity 101 is, the larger the pressure of the first cavity 101 is, and when the expiratory flow is constant, the shorter the time for reaching the same pressure is, therefore, the volume range of the first cavity 101 is set to be 5-25 cm ³, the pressure change of the first cavity 101 can be performed according to the set frequency, and the frequency stability is ensured.

When the suction flow rate is constant, the smaller the volume of the second chamber 102, the larger the pressure of the second chamber 102, and from another perspective, the smaller the volume of the second chamber 102, and when the suction flow rate is constant, the shorter the time for reaching the same pressure, therefore, the volume range of the second chamber 102 is set to be 5-25 cm ³, the pressure change of the second chamber 102 can be performed according to the set frequency, and the frequency stability is ensured.

The housing 1 is of generally hollow cylindrical configuration, the hollow region forming the inner cavity 10. On the left side of the figure, the air inlet end 11 of the multifunctional respiratory training apparatus 100 is shown, and on the right side of the figure, the air outlet end 12 of the multifunctional respiratory training apparatus 100 is shown. The inlet end 11 and the outlet end 12 are not particularly limited in structure, but merely indicate directions. The on-off valve 32 of the multifunctional respiratory training apparatus 100 provided in this embodiment opens the through hole 20 and lets the gas circulate when the gas pressure in the first chamber 101 is greater than the gas pressure in the second chamber 102, so that the flow direction of the training gas flow is fixed.

The air inlet end 11 is provided with only one air inlet 13, the air outlet end 12 is provided with only one air outlet 14, and the training air flow flows in from the air inlet 13 and flows out from the air outlet 14. The air inlet 13 communicates directly with the first chamber 101, while the air outlet 14 communicates directly with the first chamber 101. Compared with a plurality of respiratory trainers with air outlets, only one air outlet 14 can enable air flow to be more concentrated and not easy to disperse, and effectively improves the air pressure of the second cavity 102.

Referring to fig. 2, the housing 1 may be provided with a number of support walls 16 in the cavity 10, in addition to the contoured wall 15. These support walls 16 may assist the separator plate 2 in dividing the space of the lumen 10. For example, in the present embodiment, the support wall 16 includes a radial side wall 161 and a bottom wall 162, the radial side wall 161 shielding a portion of the air inlet 13 in the radial direction of the housing 1, and the bottom wall 162 being close to the air outlet 14.

Referring to fig. 2 and 3, the partition plate 2 has a plate-like structure of a small thickness and is connected between the radial side wall 161 and the bottom wall 162 so as to divide the inner chamber 10 into a first chamber 101 and a second chamber 102 which are substantially stacked one above the other. In some embodiments, the separator 2 and the housing 1 are integrally formed. In some embodiments, the separator 2 and the housing 1 are each separately manufactured and then fixedly connected, e.g. welded, snap-fit connection, etc.

The partition plate 2 is provided with a through-hole 20, the axis of the through-hole 20 being perpendicular or substantially perpendicular to the partition plate 2. The height of the through-holes 20 may be equal to the thickness of the separator 2, i.e., the through-holes 20 are directly bored in the separator 2.

In the present embodiment, the partition plate 2 includes the base plate 21 and the extension 22 extending from the base plate 21 toward the first chamber 101, and the extension 22 and the base plate 21 may be of an integral structure. The base plate 21 may be a plate-like structure, where the opening is needed, the base plate 21 extends outwards to form an extension portion 22, the extension portion 22 is in a truncated cone shape, the through hole 20 penetrates through the extension portion 22, the central axis is perpendicular to the base plate 21, and the through hole 20 is in a truncated cone shape, and the cone shape is more helpful for guiding the airflow of the first cavity 101 into the second cavity 102.

The through hole 20 is directly formed on the isolation plate 2, compared with a structure for placing the switch valve 32 which is additionally connected on the isolation plate 2, the structure simplifies the internal structure, reduces the assembly error of other structures and the isolation plate 2, improves the matching precision between the structures, and can also ensure the sealing effect.

After assembly, the extension 22 extends into the first cavity 101 relative to the base plate 21, and no space is required to be reserved for the extension 22 outside the first cavity 101, so that the height of the multifunctional respiratory training apparatus 100 in the axial direction of the through hole 20 is reduced, the product volume in the direction is further reduced, and the product is smaller and more practical.

The bracket 30 of the vibration unit 3 is fixed to the partition plate 2, and the bracket 30 functions to support the swing arm 31 while also being a fulcrum of the swing arm 31. Since the partition plate 2 is fixed with respect to the housing 1, the bracket 30 is fixed differently with respect to the housing 1. In other embodiments, the bracket 30 may be fixed to the inner wall 513 of the housing 1, in any case, as long as the bracket 30 is fixedly disposed with respect to the housing 1.

The swing arm 31 is a plate body with an unlimited shape, and when placed, the length direction of the swing arm is set along the air inlet end 11 and the air outlet end 12. The swing arm 31 includes opposite first and second ends 311, 312, the first end 311 being proximate the inlet end 11 and the second end 312 being proximate the outlet end 12. The swing arm 31 may be rotatably connected to the bracket 30 through one or two rotation shafts.

The on-off valve 32 is disposed proximate the second end 312, and the on-off valve 32 is shaped to match the shape of the air inlet 13 to completely close or substantially close the air inlet 13.

In the present embodiment, the through hole 20 is in the shape of a truncated cone, and the on-off valve 32 includes a tapered portion extending in a length direction away from the swing arm 31 to be engaged with the inner wall 513 of the extension portion 22.

In some embodiments, there is a soft connection between the on-off valve 32 and the swing arm 31. The switch valve 32 is disposed on one side of the swing arm 31 near the second end 312, and forms a flexible connection with the swing arm 31. I.e. by a flexible material or a spring structure.

In the vibration unit 3 provided in this embodiment, the bracket 30 is taken as a boundary, the switch valve 32 is located at one side from the bracket 30 to the second end 312, and the bracket 30 to the second end 312 are power arms of the swing arm 31, and the bracket 30 to the first end 311 are resistance arms of the swing arm 31, because the switch valve 32 drives the swing arm 31 to rotate relative to the bracket 30. In this embodiment, the power arm is longer than the resistance arm, forming an asymmetric hinge motion structure. This makes the overall multi-functional respiratory training apparatus 100 more compact. In other embodiments, the power arm may be substantially equal in length to the resistance arm, forming a symmetrical hinge motion structure.

Whether performing an exhalation or inhalation exercise, the flow of exercise gas enters the first chamber 101 from the inlet end 11. The training air flow is an air flow actively provided by a trainer. May be provided by a trainer exhaling into the housing 1 from the air inlet end 11 or may be provided by a trainer inhaling from the air inlet end 12. The flow direction in the shell 1 is the same, and the principle of vibration is the same, and the device belongs to the training air flow.

Before the training air flow reaches the on-off valve 32, the on-off valve 32 completely closes the through hole 20 or substantially closes the through hole 20. Before the training air flow enters the first cavity 101 but not the second cavity 102, whether the on-off valve 32 completely closes the through hole 20 or does not completely close the through hole 20, the pressure of the first cavity 101 is larger than that of the second cavity 102, so that the first cavity 101 is a high-pressure cavity, the second cavity 102 is a low-pressure cavity, and under the action of the pressure difference between the two cavities, the on-off valve 32 leaves the through hole 20, so that the through hole 20 is opened, and the training air flow enters the second cavity 102 from the first cavity 101 through the through hole 20.

In the above, the "completely closing the through hole 20" of the on-off valve 32 means that the on-off valve 32 seals the through hole 20, and the "substantially closing the through hole 20" means that the on-off valve 32 does not completely seal the through hole 20, but does not completely open the through hole 20, but rather means that the completely sealed state is not necessarily reached, as long as the substantially sealed state is obtained, so that a pressure difference is generated between the first chamber 101 and the second chamber 102, and the on-off valve 32 is movable and the through hole 20 is opened.

After the through hole 20 is opened, the switch valve 32 is reset under the restoring force of the swing arm 31, the through hole 20 is completely closed or basically closed, and the training air flow flows out from the air outlet end 12. The switch valve 32 is disposed on the swing arm 31, and the swing arm 31 rotates relative to the bracket 30 due to the movement of the switch valve 32. After the swing arm 31 rotates, it rotates reversely due to the restoring force provided by the resistance arm, so that the on-off valve 32 is reset to the through hole 20 to completely close or substantially close the through hole 20. The training air flow exits the housing 1 from the second chamber 102 via the air outlet end 12. In this embodiment, the swing arm 31 is reversely rotated by the rebound force generated after the first end 311 (the resistance arm side) collides with the isolation plate 2 during the rotation of the swing arm 31.

The user continues to supply the training air flow, and the vibration unit 3 repeats the above operation when the next training air flow enters the first chamber 101, the pressure difference between the first chamber 101 and the second chamber 102 increases again, the switching valve 32 opens again, and thus reciprocates, and the vibration unit 3 thus generates a vibration sound wave. In this embodiment, the frequency range of the vibration sound wave is 20 to 300Hz.

Due to the dead weight of the on-off valve 32, a certain air flow resistance is generated when the on-off valve 32 is driven to open by the training air flow, and the air flow resistance can be considered to exercise the respiratory muscle or the inhalation muscle of the user, particularly depending on whether the exhalation mode or the inhalation mode is adopted.

Wherein, for the snoring caused by the lack of force of the oral muscle group, the air flow for training can be provided by oral breathing or oral inhalation, for the snoring caused by the lack of force of the nasal muscle group, the air flow for training can be provided by nasal breathing or nasal inhalation, and for the snoring caused by the hypertrophy of the gland, the air flow for training can be provided by oral breathing or nasal breathing or oral or nasal inhalation. For cases where administration is difficult due to sinus congestion, it may be preferable to provide the training air flow by nasal breathing or inhalation, and then consider providing the training air flow by oral breathing or inhalation. For expiratory muscle training, the training air flow can be provided by way of oral or nasal exhalation. For inspiratory muscle training, the training air flow can be provided by way of oral or nasal inhalation. During sputum excretion, the training air flow can be provided by means of oral or nasal breathing or oral or nasal inhalation.

Because breathing is the cooperative operation of a plurality of muscles, even if breathing is carried out through the mouth, the nose related muscles can be exercised, even if breathing is carried out through the nose, the mouth related muscles can be exercised, and the pertinence degree is different. Therefore, the user can select the training mode according to the self condition.

The flow of training air provided by the mouth or nose is not limited to being provided by, for example, attaching a mouthpiece to the housing 1, or by attaching a mask 7 adapted to the mouth to the housing 1, or by attaching a mask 7 adapted to the nose to the housing 1, or by attaching a mask 7 adapted to the mouth and nose to the housing 1. As long as the corresponding breathing or inhalation airflow is provided to the multifunctional respiratory training apparatus according to the training purpose.

Referring to fig. 2, in the present embodiment, the air inlet 13 is opened, the air outlet 14 is provided with an air vent cover 17, the air vent cover 17 has a plate-shaped structure and is disposed on the air outlet 14, and the air vent cover 17 is provided with a plurality of air vents, and the number, shape and size of the air vents are not limited, so long as the air flow can be exhausted. Further, the cross-sectional area of the air outlet can be adjusted by adjusting the number, shape and size of the air vents.

Specifically, in the present embodiment, the intake cross-sectional area approximates the area of the intake port 13, and if the ventilation cap 17 is not provided, the thickness of the housing 1 is equalized everywhere, that is, the area of the air outlet 14 and the area of the intake port 13 are substantially the same, so that the air outlet cross-sectional area is substantially equal to the intake cross-sectional area. If the vent cover 17 is provided, the outlet cross-sectional area is smaller than the inlet cross-sectional area.

In other embodiments, if the area of the air inlet 13 and the area of the air outlet 14 are substantially the same, it is also possible that the air vent cover 17 is provided at the air inlet 13 and the air vent cover 17 is not provided at the air outlet 14, so that the air inlet sectional area is smaller than the air outlet sectional area.

In other embodiments, the inlet cross-sectional area and the outlet cross-sectional area may also be varied by adjusting the diameter of the inlet 13 and the diameter of the outlet 14.

In other embodiments, the pressure of the first chamber 101 and the second chamber 102 may be adjusted as needed by adjusting the diameter of the air inlet 13, the presence or absence of the air vent cover 17 of the air inlet 13, the feature of the air vent cover 17, the diameter of the air outlet 14, the presence or absence of the air vent cover 17 of the air outlet 14, and the feature of the air vent.

In some embodiments, if the multi-functional respiratory training apparatus 100 is used only for expiratory training, the inlet cross-sectional area may be set smaller than the outlet cross-sectional area, which may allow the expiratory airflow to rapidly fill the first cavity 101 and rapidly increase the pressure of the first cavity 101, improving the vibration efficiency. Meanwhile, the relatively large air outlet sectional area can rapidly discharge the air in the second cavity 102, so that vortex is prevented from being generated due to the fact that the air is stagnated in the second cavity 102, and the reciprocating swing of the swing arm 31 is prevented from being influenced.

In some embodiments, if the multifunctional respiratory training apparatus 100 is only used for inhalation training, the air inlet cross-sectional area may be set to be larger than the air outlet cross-sectional area, so that the external atmospheric pressure can supplement the air flow into the first cavity 101 as soon as possible during inhalation, so as to ensure that a stable pressure difference is formed between the first cavity 101 and the second cavity 102, and the on-off valve 32 is stably opened and closed.

In some embodiments, if the multi-functional respiratory training apparatus 100 is used for both expiratory and inspiratory training, the inlet cross-sectional area may be set equal to the outlet cross-sectional area, but may also be set to be unequal in area. The magnitude relationship between the outlet cross-sectional area and the inlet cross-sectional area does not affect the basic function of the multifunctional respiratory training apparatus 100 provided in this embodiment.

Referring to fig. 2, in some embodiments, the multifunctional respiratory training apparatus 100 further includes a resistance unit 4, where the resistance unit 4 includes a first magnetic member 41 and a second magnetic member 42, the first magnetic member 41 is disposed at the second end of the swing arm 31, and the second magnetic member 42 is disposed in the housing 1 opposite to the first magnetic member 41. The magnetic force between the first magnetic member 41 and the second magnetic member 42 can be preset, so that the on-off valve 32 can be reset into the through hole 20 and the through hole 20 can be closed by the magnetic attraction between the two magnetic members, and a certain training resistance can be provided at the same time, that is, a user needs to provide a larger training air flow to open the on-off valve 32, so that a better effect of training the expiratory muscle or the inspiratory muscle can be achieved. The attractive force between the first magnetic element 41 and the second magnetic element 42 is set to be F1, the repulsive force provided by the resistance arm of the swing arm 31 is set to be F2, the gravity of the swing arm 31 is set to be F3, the attractive force F1, the repulsive force F2 and the moment acting on the swing arm 31 due to the gravity F3 are respectively M1, M2 and M3, and in the resetting process of the switch valve 32, the moment is always M1+M2> M3, so that the switch valve 32 is ensured to be successfully reset. The frequency of the vibration sound wave can be adjusted by adjusting the weight of the swing arm 31 and the resistance of the resistance unit 4.

Referring to fig. 4, the multifunctional respiratory training apparatus 100 provided in this embodiment further includes a mouthpiece 5. Mouthpiece 5 is adapted for exhalation at inlet end 11 or for inhalation at outlet end 12, or for both inlet end 11 and outlet end 12.

The mouthpiece 5 is more conformable to the shape of the mouth and is adapted to bite, and may be of a silicone material, which may assist the user in using the snore treating device 100 in a mouth-breathing or mouth-sucking manner. During exhalation, mouthpiece 5 is connected to air inlet end 11. During inhalation, mouthpiece 5 is connected to outlet end 12. The structure of the mouthpiece 5 may be adapted to the different functional instruments while also taking into account the structure of the inlet end 11 or the outlet end 12, thereby being adapted to the different inlet end 11 or outlet end 12. The mouthpiece 5 may be adapted to only the inlet end 11 for providing only an expiratory airflow, or may be adapted to only the outlet end 12 for providing only an inspiratory airflow. And can be adapted to both the inlet end 11 and the outlet end 12, so that the user can choose to train in either an exhaling or inhaling manner.

In this embodiment, the mouthpiece 5 is provided with a first positioning portion 50, the housing 1 is provided with a second positioning portion 18 at the air outlet end 12 or the air inlet end 11, the second positioning portion 18 is used to cooperate with the first positioning portion 50 to stably connect the mouthpiece 5 and the housing 1, prevent the first positioning portion 50 and the mouthpiece 5 as a whole from moving relative to the housing 1 in the circumferential direction,

The first positioning portion 50 may be a positioning groove. The second positioning portion 18 may be a positioning post. The two may be interchanged or other configurations may be employed. In the following figures, the first positioning portion 50 is taken as a positioning groove, and the second positioning portion 18 is taken as a positioning column as an example.

Referring to fig. 5, an intake end 11 is taken as an example. The housing 1 is provided with a second positioning portion 18 at the intake end 11. In the present embodiment, the number of the second positioning portions 18 is two, and the two second positioning portions 18 are disposed opposite to each other. In some embodiments, one or more second positioning portions 18 may be provided at the air outlet end 12 of the housing 1. So that mouthpiece 5 can be freely selected to be connected to outlet end 12 or inlet end 11.

Referring to fig. 4, two first positioning portions 50 are disposed in the mouthpiece 5.

Referring to FIG. 6, in some embodiments, the positioning post is in interference fit with a positioning groove, the mouthpiece 5' includes an inner wall 513, the positioning groove is formed in the inner wall 513, and a groove bottom surface 514 on which the positioning groove is formed extends outwardly relative to the inner wall 513. For example, the length of the groove bottom surface 514 extending outward relative to the inner wall 513 ranges from 0.5mm to 2mm.

The interference fit prevents relative movement of the mouthpiece 5 and the housing 1 from the axial direction at the connection end during use from falling off.

Because the detent is recessed relative to the inner wall 513, the wall thickness of the portion of the inner wall 513 is thinner than the other walls. When the positioning column and the positioning groove are in interference fit, the positioning column expands outwards, and as the wall thickness of the bottom surface 514 of the positioning groove is relatively thin, the deformation amount of the thin-wall part is larger under the condition of the same interference magnitude, so that the thin-wall part is contracted inwards relative to the wall thickness part, as shown in the area A of fig. 7, the contact area between the bottom surface 514 of the positioning groove and the shell 1 is relatively reduced, the air leakage condition is possibly caused, and the use effect is influenced. So that the bottom surface 514 of the groove where the positioning groove is located can be extended outwardly with respect to the inner wall 513. Thus, when the mouthpiece 5 is fitted into the bottom of the connection end, the positioning groove is retracted to compensate for the fact that the thin-walled and thick-walled portion is fitted into the bottom of the connection end substantially flush, so that the contact area between the mouthpiece 5 and the connection end is ensured to be equal, as shown in region B of fig. 8, and thus the sealing effect is ensured.

Referring to fig. 9, in another embodiment, the present application further provides a mouthpiece 6, where the mouthpiece 6 has a free end 63 and a stepped connection portion 64, the stepped connection portion 64 is used for connecting with the housing 1, and the stepped connection portion 64 includes a first peripheral wall 61 and a second peripheral wall 62, the first peripheral wall 61 is closer to the free end 63 than the second peripheral wall 62, and an inner diameter of the first peripheral wall 61 is smaller than an inner diameter of the second peripheral wall 62.

The first peripheral wall 61 is for airtight connection with the smaller outer diameter of the air inlet end 11 and the air outlet end 12, and the second peripheral wall 62 is for airtight connection with the larger outer diameter of the air inlet end 11 and the air outlet end 12. Specifically, the first peripheral wall 61 and the air inlet end 11 are fitted, and the second peripheral wall 62 and the air outlet end 12 are fitted, provided that the outer diameter of the air inlet end 11 is smaller in both the air inlet end 11 and the air outlet end 12, and the first peripheral wall 61 and the air outlet end 12 are fitted, and the second peripheral wall 62 and the air inlet end 11 are fitted, provided that the outer diameter of the air outlet end 12 is smaller in both the air inlet end 11 and the air outlet end 12. It is mainly seen how the outer diameters of the housing 1 on both sides of the inlet end 11 and the outlet end 12 are sized so as to be connected to the mouthpiece 6.

In this embodiment, the mouthpiece 6 may be connected to either the inlet end 11 or the outlet end 12. One end of the mouthpiece 6 is directly connected to the housing 1 and the other end is directly connected to the inlet. The mouthpiece 6 is hollow and tubular, and the inside diameter of the hollow tube of the mouthpiece 6 is not uniform everywhere, but stepped, in order to be connectable to both ends of the multifunctional respiratory training apparatus 100. Correspondingly, the outer diameters of the air inlet 13 and the air outlet 14 of the housing 1 are correspondingly adapted.

In other embodiments, the mouthpiece 6 provided in this embodiment may be connected to the air inlet end 11 or the air outlet end 12 in a threaded manner, as long as air tightness can be achieved.

In the present embodiment, the first peripheral wall 61 of the mouthpiece 6 is provided with a first positioning portion 50, specifically a positioning groove, the housing 1 is provided with a positioning column at the air inlet end 11, and the air inlet end 11 has a smaller outer diameter, and the first peripheral wall 61 is sleeved on the air inlet end 11. The positioning column and the positioning groove are mutually spliced. The structure and function of the positioning groove and the positioning column are the same as those of the positioning groove and the positioning column provided in the previous embodiment. The housing 1 has no positioning column at the air outlet end 12, and the outer diameter of the air outlet end 12 is larger, so that the mouthpiece 6 is sleeved on the air outlet end 12 by the second peripheral wall 61 when sleeved on the air outlet end 12.

In other embodiments, the housing 1 may not be provided with the second positioning portion 18, and correspondingly, the mouthpiece may not be provided with the first positioning portion 50, and the two may be directly sleeved.

Referring to fig. 10, in the present embodiment, the air outlet 14 is provided with an air vent cover 17, the size of the air vent cover 17 is matched with the inner diameter of the air outlet 14, and the air vent cover 17 is provided with an air vent, which is beneficial to air exhaust. The length of the air inlet end 11 is significantly shorter and more portable than the housing 1 of fig. 2.

Referring to fig. 11, in another embodiment, the air inlet 13 may be provided with a similar vent cover 17 in addition to the vent cover 17 provided at the air outlet 14.

Referring to fig. 12, in still another embodiment, the air inlet 13 and the air outlet 14 each have no air cap 17, so that the air inlet cross-sectional area and the air outlet cross-sectional area can be maximized, and the efficiency of exhalation and inhalation can be improved. Meanwhile, the whole weight of the instrument can be reduced, and the portable instrument is convenient to carry.

Referring to fig. 13 and 14, the snore treating apparatus 100 provided in this embodiment further includes a cover 7, wherein the cover 7 is connected to the housing 1, and the cover 7 is adapted to the mouth or/and nose of the user to provide the training air flow.

The mask body 7 may be a mask that covers the mouth of the user. The mask body 7 may be a nasal mask that covers the nose of the user. The mask body 7 may be an oronasal mask, which simultaneously covers the mouth and nose of the user. The cover 7 may be used in place of the mouthpiece 5 to provide a training air flow.

In the present embodiment, one end of the cover 7 is a sealing surface 70, and the other end is a connecting portion 71.

The sealing surface 70 is made of soft material, such as silica gel, TPU, etc., and is mainly used for sealing the nasal cavity or oral cavity, and the connecting portion 71 can be connected with the air inlet end 11 of the housing 1. The sealing surface 70 is shaped differently to seal against the mouth or nasal cavity or both. The shape of the sealing surface 70 may be selected, for example, to be approximately triangular to conform to the contours of the nasal cavity or mouth of a human body. The cover body 7 can provide the training air current by the nose when covering the nasal cavity, compares in providing the training air current through the mouth, can temper nasal cavity muscle crowd, adenoid body better to and open the nasal sinus passageway, temper the expiration muscle, inhale the muscle, cover body 7 is for the mouthpiece 5 lasts and holds moreover, uses the comfort level higher, clean easy clean.

The connection portion 71 is provided with a first inner cavity 710, and the first inner cavity 710 is provided with a positioning groove 711, which can be connected with an air inlet end 11 or an air outlet end 12 provided with a positioning column, like the mouthpiece 5 or the mouthpiece 5'.

Referring to fig. 15, in the same manner as the mouthpiece 6, in another embodiment, the connecting portion 71' is provided with a first peripheral wall 721 and a second peripheral wall 722 directly connected to the first peripheral wall 721 to form a stepped connecting portion, and the second peripheral wall 722 is closer to the free end of the non-sealing surface of the housing 7. The inner diameter of the first peripheral wall 721 is smaller than that of the second peripheral wall 722, the first peripheral wall 721 is used for being connected with the smaller inner diameter of the air inlet end 11 and the air outlet end 12, and the second peripheral wall 722 is used for being connected with the larger inner diameter of the air inlet end 11 and the air outlet end 12, so that the same cover 7 can be connected with the air outlet end 12 or the air inlet end 11, and the cover is suitable for the situation that the outer diameter of the air inlet end 11 and the outer diameter of the air outlet end 12 of the shell 1 are different.

When the nose mask is worn and the air is exhaled through the nose mask, the air is inhaled through the mouth. When inhaling through the nose mask, exhale through the mouth.

Wearing the mask and exhaling through the mask, inhaling through the nose. When inhaling through the mask, exhale through the nose.

When the nose and mouth mask is worn for breathing out, the nose or mouth can be freely selected for breathing in. When inhaling through the mouth-nose mask, the user can freely select the mouth or nose to exhale. The specific breathing pattern is selected according to the training requirements.

Referring to fig. 16-21, in some embodiments, the cover 7 includes a cover body 75, an inhalation check valve 73, and/or an exhalation check valve 74, the inhalation check valve 73 being disposed on the cover body 75 to assist inhalation, and the exhalation check valve 74 being disposed on the cover body 75 to assist exhalation.

The cover body 75 is a cover structure, and may be provided with an inhalation check valve 73 or an exhalation check valve 74, or may be provided with both the inhalation check valve 73 and the exhalation check valve 74. Among them, the number of various kinds of check valves is not limited.

Referring to fig. 16 and 17, the suction check valve 73 is provided to the cover main body 75, and the suction check valve 73 includes a valve flap 730 and a stopper 731. The flap 730 is disposed below the stop 731 and adjacent to the sealing surface 70. During exhalation, the flap 730 is blocked by the stop 731 to provide a seal. During inspiration, the flap 730 may open, assisting in inspiration. When the user breathes in through the cover 7, the air suction check valve 73 is closed, and because of the existence of the air suction check valve 73, the air suction check valve 73 is opened and provides air suction flow opposite to the direction of the air flow of the exhaled air when the user breathes in through the cover 7, so that the cover 7 does not need to be taken off when the user breathes in, and the user can breathe in directly. For example, if the mask 7 is used for nasal breathing, the mask 7 does not need to be removed, and nasal inhalation is directly performed. If the mask body 7 is adopted for oral breathing, the mask body 7 does not need to be taken off, and the nasal inhalation can be performed directly or naturally. Thereby improving the ventilation efficiency and the training efficiency.

Referring to fig. 18 and 19, an exhalation check valve 74 is provided to a mask body 75. The exhalation check valve 74 includes a flap 740, a stop 741. The valve flap 740 is disposed above the stopper 741. During inhalation, the valve clack 740 is blocked by the stop 741, and plays a role in sealing. During exhalation, the flap 740 may open, assisting in exhalation. When inhaling through the cover 7, the one-way valve 74 is closed, and when exhaling, the one-way valve 74 is opened and provides the exhaling air flow opposite to the direction of the inhaling air flow, so that the cover 7 is not required to be taken off when exhaling, and the user can exhale directly. For example, if the mask body 7 is used for nasal inhalation, the mask body 7 does not need to be removed, and nasal inhalation is directly performed. If the mask body 7 is adopted for oral inhalation, the mask body 7 does not need to be taken off, the nose can be naturally breathed, so that the ventilation efficiency is improved, the problems of dizziness, metabolic efficiency reduction and the like of a human body caused by overlong carbon dioxide retention in the human body are avoided, and the training efficiency is improved.

Referring to fig. 20 and 21, the housing 7 includes an inhalation check valve 73 and an exhalation check valve 74, each of which is provided with a sealing cap 76 for sealing the check valve. The advantage of this arrangement is that the exhalation/inhalation training can be switched by one hood 7 and ventilation is facilitated. When the mask body 7 is used for nasal or oral inhalation training, the inhalation check valve 73 is sealed by the sealing cover 76, and the sealing cover 76 of the exhalation check valve 74 is opened, so that quick ventilation can be realized. When the mask body 7 is used for nasal or oral exhaling training, the sealing cover 76 is used for sealing the exhaling one-way valve 74, and the sealing cover 76 of the inhaling one-way valve 73 is opened, so that quick ventilation can be realized.

When the cover 7 includes the inhalation check valve 73 and the exhalation check valve 74, the opening area of the inhalation check valve 73 is larger than the opening area of the exhalation check valve 74, and the opening area of the inhalation check valve 73 is larger than 57 square millimeters, so that the user can quickly supplement oxygen, and the average air intake area of the user is 40 square millimeters to 57 square millimeters, so that the normal inhalation level of the user can be ensured by such arrangement.

When the air intake flow is provided by the nasal cavity, the frequency range of the vibration sound wave is 90-210 Hz, the vibration sound wave in the frequency range can obviously vibrate the nasopharynx part, and the vibration sound wave has obvious treatment effect on the apneas or snoring caused by the weakness of muscle groups of the nasal cavity and the hypertrophy of glands.

Referring to fig. 22, in some embodiments, the multi-functional respiratory training apparatus 100 further includes a multi-functional connector 8, the multi-functional connector 8 being configured to communicate the housing 1, mouthpiece 5/cover 7, and external apparatus 9.

The multifunctional joint 8 may be a tee joint, comprising a first interface 81, a second interface 82 and a third interface 83, the first interface 81 being adapted to communicate with the housing 1, in particular being directly connected to the first cavity 101, the second interface 82 being adapted to communicate with the mouthpiece 5 or the cover 7, the third interface 83 being adapted to communicate with the external device 9. Thus, besides the oral or/and nasal respiratory training through the mask body 7, the training effect can be expanded through the external device 9, for example, atomization administration is realized through being connected to an atomizer, the direct focus is good to absorb, for example, oxygen is supplied through being connected to an oxygen supply device, and dyspnea and dizziness are avoided. The number of the external devices 9 can be one, a plurality of or a plurality of, depending on the actual needs.

Referring to fig. 23, in the present embodiment, the gravity of the housing 1 and the contents of the housing 1 (the partition plate 2 and the vibration unit 3) is F in total, the housing 1 includes an air inlet end face 110 at an air inlet end 11, a moment arm r1 from a line of action of the gravity to the air inlet end face 110, a moment M1, m1=fjr 1, wherein 0< m1+.0.6kgf·cm, the housing 1 includes an air outlet end face 120 at an air outlet end 12, a moment arm r2 from a line of action of the gravity to the air outlet end face 120, and a moment M2, m2=fjr2, wherein 0< m2+.0.6kgf·cm.

In other embodiments, F comprises the weight of the atomizer connection 8 if the housing 1 is provided with the atomizer connection 8, the weight of the oxygen connection 91 if also provided with the oxygen connection 91, and so on.

The support points for the user to bite or wear the multifunctional respiratory training apparatus 100 may be located on the air inlet end surface 110, i.e., centroid O1, or on the air outlet end surface 120, i.e., centroid O2.

When the supporting point (centroid O1) is located on the air inlet end face 110, the moment arm from the action line of gravity F to the air inlet end face 110 is r1, and in a horizontal state, the moment arm r1 is the largest. The moment is M1, M1=F.r1, wherein 0< M1 is less than or equal to 0.6 kgf.cm.

When the supporting point (centroid O2) is located on the air outlet end face 120, the force arm from the action line of gravity F to the air outlet end face 120 is r2, and in a horizontal state, the force arm r2 is the largest. The moment is M2, M2=Fr2, wherein 0< M2≤0.6 kgf cm.

Such moment setting neither can make multi-functional breathing training apparatus 100 drop, also can not lead to the user to use too big strength interlock or wear, can liberate user's both hands moreover, has expanded multi-functional breathing training apparatus 100's use scene, for example can all use in reading, typewriting, running, need not to deliberately take out time and take exercise, has realized at any time and any place to take exercise's effect, has also improved the treatment greatly.

In some embodiments, the housing 1 includes an outlet end face 120 at the outlet end 12, and the vertical spacing of the inlet end face 110 to the outlet end face 120 is L, where L≤150 mm. The length of the housing 1 of less than 150mm facilitates easier biting or wearing of the multi-functional respiratory training apparatus 100 by a user.

The existing respiration training device is large in size, heavy and not easy to carry, can be placed at a fixed position and is applicable, the movable range of a user is greatly limited, the training frequency is improved by the user, the training burden of the user is lightened, the multifunctional respiration training device 100 provided by the embodiment can work by utilizing the expiratory airflow and also can work by utilizing the inspiratory airflow, and the multifunctional respiration training device is small in size, light in weight, suitable for occlusion or wearing, the training burden of the user is greatly lightened, the training frequency is improved, and the training effect is guaranteed. Compared with the prior art, the multifunctional respiratory training apparatus 100 provided by the application can be used for alleviating or treating snoring, sinus blockage and difficult administration caused by oral muscle groups, nasal muscle groups and adenoid hypertrophy, and the related problems of weak respiratory muscle and/or weak respiratory muscle and incapacitation of spontaneously discharging phlegm.

The foregoing embodiments are merely for illustrating the technical solution of the present application, but not for limiting the same, and although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the technical solution described in the foregoing embodiments may be modified or substituted for some of the technical features thereof, and that these modifications or substitutions should not depart from the spirit and scope of the technical solution of the embodiments of the present application and should be included in the protection scope of the present application.

Claims (12)

1. A multi-functional respiratory training apparatus, comprising:

the shell is provided with an inner cavity, and an air inlet end and an air outlet end which are communicated with the inner cavity;

A partition board arranged in the shell to partition the inner cavity into a first cavity and a second cavity, the partition board being provided with a through hole, and

The vibration unit comprises a support, a swing arm and a switch valve, wherein the support is fixedly arranged relative to the shell, a first end of the swing arm is close to the air inlet end and is rotatably connected with the support, a second end of the swing arm is close to the air outlet end, the switch valve is connected with the first end and the second end and is positioned in the through hole, the switch valve periodically rotates around the support along with the swing arm to open the through hole when the pressure of the first cavity is larger than that of the second cavity, and is reset to the through hole under the action of restoring force of the swing arm, so that vibration sound waves are generated, during the period, training air flow enters the first cavity through the air inlet end and flows into the second cavity through the through hole and then flows out of the air outlet end, during expiration, the periodic pressure change range of the first cavity is 0 90-0 cmH ₂ O, and during inspiration, the periodic pressure change range of the second cavity is-90-0 cmH ₂ O, and the training air flow is the inspiration air flow or the expiration air flow, wherein the inspiration air flow is the expiration air flow from the air inlet end to the expiration end.

2. The multifunctional respiratory training apparatus of claim 1 wherein the first chamber has a frequency of pressure change of 20 to 300hz during exhalation and the second chamber has a frequency of pressure change of 20 to 300hz during inhalation.

3. The apparatus of claim 1, wherein the first chamber has a volume of 5cm ³～25cm³ when the apparatus is used only for exhalation, the second chamber has a volume of 5cm ³～25cm³ when the apparatus is used only for inhalation, the first chamber has a volume of 5cm ³～25cm³ when the apparatus is used both for exhalation and for inhalation, and the second chamber has a volume of 5cm ³～25cm³.

4. The multifunctional respiratory training apparatus of claim 1 wherein said air inlet end is provided with only one air inlet and said air outlet end is provided with only one air outlet, said training air flow flowing in from said air inlet and out from said air outlet.

5. The multifunctional respiratory training instrument of claim 1, further comprising a mouthpiece that is adapted to the air inlet end, or to the air outlet end, or to both the air inlet end and the air outlet end.

6. The multifunctional respiratory training instrument of claim 1, further comprising a mask body that fits over the air inlet end, or the air outlet end, or both the air inlet end and the air outlet end, the mask body fitting over the mouth or/and nose of a user to provide the working air flow.

7. A multifunctional respiratory training apparatus as claimed in claim 5 or 6 wherein said mouthpiece or said housing is provided with a first locating portion and said housing is provided with a second locating portion at said outlet end or said inlet end, said second locating portion being adapted to co-operate with said first locating portion.

8. The multifunctional respiratory training apparatus of claim 7 wherein said first positioning portion is a positioning slot, said second positioning portion is a positioning post, said positioning post is in interference fit with said positioning slot, said mouthpiece or said cover comprises an inner wall, said positioning slot is formed in said inner wall, and a bottom surface of said positioning slot extends outwardly relative to said inner wall.

9. A multi-functional respiratory training apparatus as claimed in claim 5 or claim 6 wherein the mouthpiece or the cover comprises a stepped connection and a free portion, the stepped connection comprising a first peripheral wall and a second peripheral wall, the first peripheral wall being closer to the free portion than the second peripheral wall, the first peripheral wall having a smaller diameter than the second peripheral wall.

10. A multifunctional respiratory training instrument as claimed in claim 5 or 6 further comprising a multifunctional connector for communicating with the housing, the mouthpiece or the cover, and an external instrument.

11. The multifunctional respiratory training apparatus of claim 1 wherein the weight of the housing and the contents of the housing is F, the housing includes an inlet face at the inlet end and an outlet face at the outlet end, the force arm of the force of the weight force to the inlet face is r1, the moment is M1, m1=f·r1, wherein 0< m1 is less than or equal to 0.6kgf·cm, the force arm of the force of the weight force to the outlet face is r2, the moment is M2, m2=f·r1, wherein 0< m2 is less than or equal to 0.6kgf·cm.

12. The multifunctional respiratory training apparatus of claim 11 wherein the vertical spacing of said inlet face and said outlet face is L, wherein L is less than or equal to 150mm.