CN109938979B - Massage transmission mechanism of massage machine - Google Patents
Massage transmission mechanism of massage machine Download PDFInfo
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- CN109938979B CN109938979B CN201910263918.8A CN201910263918A CN109938979B CN 109938979 B CN109938979 B CN 109938979B CN 201910263918 A CN201910263918 A CN 201910263918A CN 109938979 B CN109938979 B CN 109938979B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 title claims abstract description 11
- 238000006073 displacement reaction Methods 0.000 claims abstract description 10
- 239000002131 composite material Substances 0.000 claims description 4
- 230000001939 inductive effect Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000004898 kneading Methods 0.000 description 20
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000004044 response Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The application relates to a massage transmission mechanism of a massage machine, which is a massage transmission mechanism capable of detecting the pressure of a massage arm of the massage machine, and comprises a worm on the side of a motor and a worm wheel on the side of the massage arm, wherein the worm and the worm wheel are meshed with each other; the worm is arranged to be movable along the axial direction thereof, the body pressure acting on the massage arm is applied to the worm through the worm wheel to cause axial displacement thereof, and a body pressure detecting device for detecting the body pressure by detecting the axial displacement is arranged; the body pressure detection device comprises a pressure sensor and a touch piece for touching the pressure sensor, wherein the touch piece is arranged to be non-rotatable and parallel to the central axis of a worm, the worm is connected to the touch piece through a thrust bearing so as to transmit the axial displacement of the worm to the non-rotatable touch piece when the worm rotates, and the massage transmission mechanism has stable integral structure and can bear larger body pressure.
Description
Technical Field
The invention relates to the technology of massagers, in particular to a massage transmission mechanism of a massager.
Background
Patent application CN101683302a discloses a common massage machine core, which comprises a kneading driving mechanism, a knocking driving mechanism and an intensity adjusting mechanism. The intensity adjusting mechanism of the massage machine core is used for controlling the treatment mechanism to swing back and forth around a rotating shaft so as to adjust the massage force. The intensity adjusting mechanism of the massage machine core comprises two fluted discs which are arranged left and right, and the mode of controlling the massage force is to control the fluted discs to rotate corresponding radians so as to divide the massage force into different gears. The gear of the massage force of the massage machine core is set at the beginning, and the corresponding body pressure of the user cannot be detected, so that the massage experience of users with different body types cannot be well considered. In view of this, the present application has been made.
Disclosure of Invention
The invention aims to solve the technical problem of providing a massage transmission mechanism of a massage machine, which can be applied to a massage machine core to solve the problem that the massage machine core cannot detect the body pressure applied by a user.
In order to solve the technical problems, the invention provides a massage transmission mechanism of a massage machine, which can detect the pressure of a massage arm of the massage machine, and comprises a worm on the side of a motor and a worm wheel on the side of the massage arm, wherein the worm and the worm wheel are meshed with each other; the worm is arranged to be movable along the axial direction thereof, the body pressure acting on the massage arm is applied to the worm through the worm wheel to cause axial displacement thereof, and a body pressure detecting device for detecting the body pressure by detecting the axial displacement is arranged; the body pressure detecting device includes a pressure sensor and a touch member that touches the pressure sensor, the touch member being mounted so as to be non-rotatable and parallel to a central axis of a worm, the worm being connected to the touch member through a thrust bearing to transmit an axial displacement of the worm to the non-rotatable touch member while the worm is rotating.
Preferably, the pressure sensor is a strain gauge, and the touch piece and the suspension end of the strain gauge are movably connected through a rotating pin structure.
Preferably, the inner ring of the thrust bearing is fixedly connected with the worm, and the outer ring of the thrust bearing is fixedly connected with the touch piece.
Preferably, a support bearing is mounted on the shaft end of the worm remote from the motor side, which support bearing can be moved in the axial direction with the worm.
Preferably, the support bearing is a deep groove ball bearing, the inner ring of the support bearing is fixedly arranged on the worm, and the outer ring of the support bearing is embedded in the rubber bearing seat.
Preferably, the pressure sensor is a capacitive sensor, an inductive sensor or a resistive sensor.
Preferably, an elastic body for applying elastic force to the worm in the axial direction is arranged between the worm and the motor shaft of the motor.
Preferably, the worm is provided with a mounting hole extending along the axis direction, and the motor shaft extends into the mounting hole and transmits power to the worm.
Preferably, the elastic body is a spiral spring which is arranged in the mounting hole, and two ends of the elastic body are respectively abutted against the motor shaft and the worm.
Preferably, the motor shaft of the motor comprises a first motor shaft section and a second motor shaft section which are adjacently arranged along the axial direction, and the first motor shaft section is positioned between the driving end of the motor and the second motor shaft section; the worm (7H) is sleeved on the periphery of the first motor shaft section through a spline sleeve, and sleeved on the periphery of the second motor shaft section through a composite shaft sleeve.
By adopting the technical scheme, the invention can obtain the following technical effects:
1. When the body pressure is transmitted to the worm so that the worm moves along the axial direction, the worm transmits the body pressure to the pressure sensor through the thrust bearing and the touch piece, and the thrust bearing is a bearing capable of better bearing the axial force; the touch piece can not rotate along with the worm, namely torsion (the torsion can influence the detection accuracy of the pressure sensor) generated by the pressure transmitter due to rotation exists, and only axial pressure is applied, so that the detection of the pressure sensor is more accurate;
2. Under the condition that the pressure sensor adopts a strain gauge, the pressure sensor has the advantages of high response speed, high precision and good continuity of output signals, and meanwhile, the corresponding pressure data has the advantage of convenient processing;
3. Under the condition that the bearing seat sleeved on the periphery of the support bearing is a rubber bearing seat, the rubber bearing seat can buffer the radial force of the worm, so that the worm can work stably.
Drawings
FIG. 1 is a schematic view of a massage machine according to an embodiment of the application;
fig. 2 is a schematic view of a massage machine core according to an embodiment of the present application from another perspective, and fig. 2 omits a front cover and a rear cover;
FIG. 3 is a schematic view of a portion of a telescoping drive;
FIG. 4 shows a cross-sectional view of the tank corresponding to FIG. 3;
FIG. 5 depicts an exploded view corresponding to FIG. 3;
FIG. 6 is a schematic view showing the removal of the trigger and pressure sensor;
FIG. 7 shows a cross-sectional view of the kneading drive and the toothed disc portion;
fig. 8 shows a cross-section of the kneading drive and the massaging device part along the axis of the kneading drive shaft.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Referring to fig. 1 to 4, in one embodiment, the massage machine core of the present application includes: the massage machine comprises a frame provided with a first cantilever 1 and a second cantilever 2, a front cover 3 arranged on the front side of the frame, a rear cover 4 arranged on the rear side of the frame, a control mechanism (not shown) arranged between the frame and the rear cover, a pair of left and right massage devices 5 oppositely arranged, a kneading driving device 6 for driving the pair of massage devices 5 to conduct kneading massage, a telescopic driving device 7 for driving the pair of massage devices 5 to conduct forward and backward movement, a knocking driving device 8 for driving the pair of massage devices 5 to conduct knocking massage movement, and a walking driving device 9, an elastic body 10 and a pressure sensor 11 for driving the massage movement to move along the frame when the massage movement is arranged on the frame of the massage machine.
The massage device 5 comprises a massage arm 5A, a first massage head 5B positioned at the upper end of the massage arm 5A and a second massage head 5C positioned at the lower end of the massage arm 5A. In another embodiment, only the first massaging head 5B may be provided.
With reference to fig. 1,2, 7 and 8, the kneading drive 6 comprises: the kneading drive shaft 6A and the kneading drive motor 6B are disposed on a toothed disc 7C on one side. The kneading drive motor 6B drives the kneading drive shaft 6A to rotate through the kneading worm 6C and the kneading worm wheel. The massage arm 5A is supported on the kneading drive shaft 6A so as to be swingable back and forth by an eccentric bearing mechanism, and the massage device 5 is reciprocated to be swung when the kneading drive shaft 6A rotates. The specific principle of the kneading drive shaft 6A driving the massaging device to reciprocate is conventional, and will not be described in detail.
Referring to fig. 2 to 6, the telescopic driving apparatus 7 includes: the telescopic driving shaft 7A, gear members 7B positioned on two sides of the telescopic driving shaft 7A, two fluted discs 7C which are supported on the first walking shaft 9A in a back-and-forth swinging manner and are respectively meshed with the two gear members 7B, a telescopic driving motor 7D, a box body, a telescopic worm wheel 7F positioned in the box body and sleeved on the telescopic driving shaft 7A, a composite shaft sleeve 7G, a worm 7H, a support bearing 7I, a thrust bearing 7J, a touch member 7K, a spline sleeve 7L, a bearing seat 7M and a fastening screw 7O. The elastic member 10 is elastically deformed by the axial movement of the worm 7H, and the pressure sensor 11 is elastically deformed by the axial movement of the worm 7H to generate a data change corresponding to the body pressure. The inner ring of the thrust bearing 7J is fixedly arranged at the end part of the worm 7H, and the outer ring thereof is fixedly arranged in the touch piece 7K. Specifically, the worm 7H has a first end connected to the telescopic drive motor 7D and a second end opposite to the first end, the second end is disposed on the thrust bearing 7J, the thrust bearing 7J is disposed on the trigger piece 7K, the trigger piece 7K is fixed on the pressure sensor 11, the thrust bearing 7J is pushed by the second end of the worm 7H, the trigger piece 7K is pushed by the thrust bearing 7J, the pressure sensor 11 is pushed by the trigger piece 7K, the thrust bearing 7J, the trigger piece 7K and the pressure sensor 11 cooperate to form a body pressure detection device, the body pressure detection device detects the displacement of the worm 7H generated when the worm wheel 7F rotates, For determining the amount of body pressure exerted on the massage arm 5A. The pressure sensor 11 in the present embodiment is a strain gauge, but it may also be a capacitive sensor, an inductive sensor or a resistive sensor. Referring to fig. 6, the touch piece 7K includes: a concave supporting portion 7K1 for supporting the thrust bearing 7J, two lugs 7K2 oppositely arranged on the supporting portion 7K1, and a pressing convex portion 7K3 arranged on the supporting portion 7K 1. The pressure sensor 11 has a passage 11A for use with the positioning member 7N, a passage 11B for use with a screw, and a receiving groove portion 11C for receiving the pressing projection 7K3. The two ears 7K2 hold the pressure sensor 11, and a pair of screws pass through the two sides of the two ears and are arranged in the channel 11B, and by means of the cooperation, the suspension end of the pressure sensor 11 is connected with the touch piece 7K through a rotating pin structure. By matching the pressing convex portion 7K3 with the accommodating groove portion 11C, the pressing force generated by the movement of the worm 7H in the axial direction can be concentrated in the accommodating groove portion 11C, so that the pressure data detected by the pressure sensor 11 can be accurate. The motor shaft of the telescopic driving motor 7D comprises a first motor shaft section L1 and a second motor shaft section L2 which are adjacently arranged along the axial direction, and the first motor shaft section L1 is positioned between the driving end of the telescopic driving motor 7D and the second motor shaft section L2. The worm 7H is sleeved on the periphery of the first motor shaft section L1 through a spline sleeve 7L, and is sleeved on the periphery of the second motor shaft section L2 through a composite shaft sleeve 7G. The worm 7H has a mounting hole extending along an axial direction thereof, and the mounting hole includes a section of avoidance space between the second motor shaft section L2 and the worm 7H, and the elastic member 10 is disposed in the avoidance space and abuts between the second motor shaft section L2 and the worm 7H. The elastic member 10 of the present embodiment is a coil spring that applies an elastic force in the axial direction to the worm 7H. In the initial state, the elastic member 10 is in a compressed state to eliminate play between the components. The worm 7H has a first worm section engaged with the worm wheel 7F, and a second worm section fitted into the support bearing 7I. The support bearing 7I of this embodiment is a deep groove ball bearing, the inner ring of which is fixedly mounted on the worm 7H, the outer ring of which is embedded in the bearing housing 7M, and the support bearing 7I moves in the axial direction with the worm 7H. The bearing housing 7M of the present embodiment is a rubber bearing housing. The box is used for accommodating components such as a worm 7H, a worm wheel 7F, an elastic piece, a pressure sensor 11 and the like, and comprises a first box part and a second box part 7E which are spliced. the first housing portion has a positioning piece 7N that positions the mounting position of the pressure sensor 11, and the positioning piece 7N has a screw fitting hole. The fastening screw 7O for fastening the first and second case portions 7E passes through the second case portion 7E and is disposed in the screw fitting hole. The positioning member 7N is a rod-like structure, and the channel 11A of the pressure sensor 11 is sized to fit the rod-like structure, and the rod-like structure passes through the channel 11A. The locating piece 7N has the functions of locating the installation position of the pressure sensor 11 and fastening the first box body part and the second box body part by matching with the fastening screw, and the arrangement of components in the box body is compact while the installation of the pressure sensor is convenient. When a user leans on the massage device 5, body pressure is transmitted to the worm wheel 7F through the massage head and the massage arm of the massage device 5, the fluted disc 7C, the gear piece 7B and the telescopic driving shaft 7A, the worm wheel 7F rotates and drives the worm 7H to generate displacement change along the axial direction, so that the deformation degree of the elastic piece 10 is changed, and meanwhile, the pressure sensor 11 outputs pressure data under the pushing action of the thrust bearing 7J and the touch piece 7K. When the user leaves the massaging device 5, the elastic member 10 is reset, resetting the worm 7H. Due to the matching effect of the spline housing 7L, on one hand, a motor shaft of the telescopic driving motor 7D can normally drive the worm 7H to rotate, and on the other hand, the worm 7H can independently move relative to the motor shaft. If the matching mode of the motor shaft and the worm is adjusted, and the telescopic driving motor 7D with the motor shaft capable of moving along with the worm 7H is selected, the telescopic driving motor 7D of the type requires that the motor shaft can move along the axial direction, and also requires that the motor shaft can rotate stably, the performance requirement is higher, and the common motor shaft cannot move along the axial direction, so that the design mode of the embodiment is beneficial to reducing the performance requirement on the telescopic driving motor 7D.
As shown in fig. 2, the striking driving device 8 includes a striking driving shaft 8A supported between two fluted discs 7C and a striking connecting member 8B connecting the striking driving shaft 8A and the massage arm 5A, and the striking connecting member 8B and the massage arm 5A are matched through a universal ball head and a ball socket structure. The knocking driving shaft branch 8A is an eccentric shaft branch. The specific principle that the knocking driving shaft 8A drives the massage arm 5A to reciprocate relative to the kneading driving shaft through the knocking connector 8B is a conventional technology, and will not be described again.
As shown in fig. 2, the travel drive device 9 includes a first travel shaft 9A and a second travel shaft 9B supported between the first boom 1 and the second boom 2, and a travel drive motor 9C. The traveling driving motor 9C drives the first traveling shaft 9A to rotate by cooperation of the traveling driving worm and the traveling driving worm wheel. Rolling elements matched with the guide rail frame of the massage machine are respectively arranged on two sides of the two walking shafts.
The massage machine core is further provided with a walking detection device for detecting the number of turns of the first walking shaft 9A, a kneading position detection device for detecting the left and right movable positions of the massage arm 5A, and a telescopic position detection device for detecting the front and back swinging positions of the massage arm 5A, and the detection devices are usually photoelectric encoders, which are conventional technologies, so that the description is omitted.
The above is the first embodiment of the present application, but it is to be understood that the technical concept of the present application is not limited to the above-described embodiment. In another embodiment, the toothed disc may not oscillate back and forth about the first travelling axis 9A, but may be adjusted to oscillate about the kneading drive axis, even if the kneading drive axis is supported between two cantilevers.
The application also provides a massage machine, which is provided with a guide rail frame and a massage machine core arranged on the guide rail frame; the massage machine core is the massage machine core. The massage machine is, for example, a massage chair.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A massage transmission mechanism of a massage machine is a massage transmission mechanism capable of detecting the pressure of a massage arm of the massage machine, and comprises a worm (7H) at the side of a motor (7D) and a worm wheel (7F) at the side of the massage arm, wherein the worm (7H) and the worm wheel (7F) are meshed with each other; the method is characterized in that:
The worm (7H) is provided so as to be movable in the axial direction thereof, and a body pressure acting on the massage arm (5A) is applied to the worm (7H) through the worm wheel (7F) so as to be axially displaced, and a body pressure detecting means for detecting the body pressure by detecting the axial displacement is provided;
The body pressure detecting device comprises a pressure sensor (11) and a trigger piece (7K) for triggering the pressure sensor, wherein the trigger piece (7K) is arranged in a non-rotatable mode and parallel to the central axis of the worm (7H), the worm (7H) is connected to the trigger piece (7K) through a thrust bearing (7J) so as to transmit the axial displacement of the worm (7H) to the non-rotatable trigger piece (7K) when the worm (7H) rotates;
the worm (7H) is provided with a first end part connected with the motor (7D) and a second end part opposite to the first end part, and the second end part is arranged on the thrust bearing (7J);
the pressure sensor is a strain gauge, and the touch piece and the suspension end of the strain gauge are movably connected through a rotary pin structure;
The shaft end of the worm (7H) far away from the motor side is provided with a support bearing (7I), and the support bearing (7I) can move along with the worm (7H) in the axial direction.
2. The massage drive mechanism of a massage machine according to claim 1, wherein the inner ring of the thrust bearing (7J) is fixedly connected with the worm (7H), and the outer ring thereof is fixedly connected with the trigger member (7K).
3. Massage drive mechanism of a massage machine according to claim 1, characterized in that the support bearing (7I) is a deep groove ball bearing, the inner ring of which is fixedly mounted on the worm (7H), the outer ring of which is embedded in the rubber bearing housing (7M).
4. Massage drive mechanism of a massage machine according to claim 1, characterized in that the pressure sensor (11) is a capacitive sensor, an inductive sensor or a resistive sensor.
5. Massage transmission mechanism of a massage machine according to claim 1, characterized in that an elastic body (10) for applying elastic force in axial direction to the worm (7H) is provided between the worm (7H) and the motor shaft of the motor (7D).
6. Massage drive mechanism of a massage machine according to claim 5, characterized in that the worm (7H) is provided with a mounting hole extending in the axial direction thereof, and the motor shaft extends into the mounting hole and transmits power to the worm.
7. Massage drive mechanism of a massage machine according to claim 6, characterized in that the elastic body (10) is a coil spring which is arranged in the mounting hole and whose two ends respectively abut against the motor shaft and the worm (7H).
8. The massage drive mechanism of a massage machine according to claim 1, characterized in that a motor shaft of the motor (7D) includes a first motor shaft section (L1) and a second motor shaft section (L2) disposed adjacently in an axial direction, the first motor shaft section (L1) being located between a drive end of the motor (7D) and the second motor shaft section (L2); the worm (7H) is sleeved on the periphery of the first motor shaft section (L1) through a spline sleeve (7L), and is sleeved on the periphery of the second motor shaft section (L2) through a composite shaft sleeve (7G).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910263918.8A CN109938979B (en) | 2019-04-03 | 2019-04-03 | Massage transmission mechanism of massage machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910263918.8A CN109938979B (en) | 2019-04-03 | 2019-04-03 | Massage transmission mechanism of massage machine |
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| CN109938979A CN109938979A (en) | 2019-06-28 |
| CN109938979B true CN109938979B (en) | 2024-09-10 |
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| CN201910263918.8A Active CN109938979B (en) | 2019-04-03 | 2019-04-03 | Massage transmission mechanism of massage machine |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113101165B (en) * | 2021-05-06 | 2025-03-25 | 上海荣泰健康科技股份有限公司 | Massage device with adjustable radial massage force |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1484043A1 (en) * | 2003-06-04 | 2004-12-08 | Matsushita Electric Works, Ltd. | Massage machine with pressure sensor |
| CN209933433U (en) * | 2019-04-03 | 2020-01-14 | 宁波秉航电子科技有限公司 | Massage transmission mechanism of massager |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2528430Y (en) * | 2001-06-12 | 2003-01-01 | 林彬 | Massage mechanism and massage device with the mechanism in it |
| CN101874759B (en) * | 2009-04-28 | 2012-02-22 | 刘荣兵 | Three-dimension shoulder, back, waist and neck massager with pressure detection device |
| CN202223507U (en) * | 2011-08-01 | 2012-05-23 | 山东康泰实业有限公司 | Massaging device capable of realizing multiple massage manipulations |
| CN202776940U (en) * | 2012-08-13 | 2013-03-13 | 林丹鹏 | Massage device with massage dynamic perception driving mechanism |
| CN103584990B (en) * | 2013-11-01 | 2016-01-20 | 福建怡和电子有限公司 | Gravity sensing massager core |
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2019
- 2019-04-03 CN CN201910263918.8A patent/CN109938979B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1484043A1 (en) * | 2003-06-04 | 2004-12-08 | Matsushita Electric Works, Ltd. | Massage machine with pressure sensor |
| CN209933433U (en) * | 2019-04-03 | 2020-01-14 | 宁波秉航电子科技有限公司 | Massage transmission mechanism of massager |
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