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CN109751227A - It is a kind of for the valve head structure of diaphragm pump and with its diaphragm pump - Google Patents

It is a kind of for the valve head structure of diaphragm pump and with its diaphragm pump Download PDF

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Publication number
CN109751227A
CN109751227A CN201711068120.5A CN201711068120A CN109751227A CN 109751227 A CN109751227 A CN 109751227A CN 201711068120 A CN201711068120 A CN 201711068120A CN 109751227 A CN109751227 A CN 109751227A
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CN
China
Prior art keywords
valve
valve seat
diaphragm pump
valve block
head structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711068120.5A
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Chinese (zh)
Inventor
张智
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XIAMEN KEJI PRECISION EQUIPMENT CO Ltd
Xiamen Koge Micro Tech Co Ltd
Original Assignee
XIAMEN KEJI PRECISION EQUIPMENT CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by XIAMEN KEJI PRECISION EQUIPMENT CO Ltd filed Critical XIAMEN KEJI PRECISION EQUIPMENT CO Ltd
Priority to CN201711068120.5A priority Critical patent/CN109751227A/en
Priority to US15/864,086 priority patent/US10859080B2/en
Publication of CN109751227A publication Critical patent/CN109751227A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a kind of valve head structure and with its diaphragm pump, valve head structure includes: the pump housing, and the pump housing includes valve deck and valve seat interconnected, and valve seat is equipped with the first connector;Diaphragm unit, it includes: plate body that diaphragm unit, which is installed on valve seat upper surface diaphragm unit, and plate body is equipped with the second connector cooperated with the first connector;It is discharged valve block, water outlet valve block is integrally formed on plate body;Water inlet valve block, valve seat are formed with the concave surface that Open Side Down, and water inlet valve block is at least partly bonded to open or close inlet opening with concave surface.Valve head structure according to an embodiment of the present invention for diaphragm pump, by the way that the first connector is arranged on valve seat, in the second connector of plate body setting and the cooperation of the first connector, to reliably and can be stably positioned diaphragm unit on valve seat, and the recess upwardly of the cooperation of valve seat and water inlet valve block is formed into concave surface, water inlet valve block is at least partly bonded with concave surface, guarantees that water inlet valve block normally opens and closes.

Description

It is a kind of for the valve head structure of diaphragm pump and with its diaphragm pump
Technical field
The present invention relates to pump technical fields, and in particular to a kind of for diaphragm pump valve head structure and with its diaphragm pump.
Background technique
The installation cooperation of water pump in the related technology, diaphragm unit and valve seat is unreliable, in the process of valve block perseveration In, diaphragm unit is easy to happen displacement, causes apopore that can not be effectively closed, seriously affects the water yield of water pump.This Outside, water inlet valve block and valve seat to be bonded design unreasonable, cause valve block opening and closing movement inefficent, the flow for influencing water pump is special Property,
Summary of the invention
The present invention is directed to solve one of above-mentioned technical problem at least to a certain extent.
For this purpose, the present invention proposes a kind of valve head structure for diaphragm pump, the diaphragm unit of the valve head structure and valve seat Positioning stablity.
The present invention also proposes a kind of diaphragm pump with above-mentioned valve head structure, and the leakproofness of the diaphragm pump is good, and water yield is steady It is fixed.
Valve head structure according to an embodiment of the present invention for diaphragm pump includes: the pump housing, and the pump housing includes being connected with each other Valve deck and valve seat, the valve seat and the common structure of the valve deck set out mutually isolated intake antrum and water chamber, wherein it is described into Water cavity is located at outer ring, and the water chamber is located at inner ring, the valve deck have the water inlet pipe being connected to the intake antrum and with it is described The outlet pipe of water chamber connection, the valve seat is equipped with the inlet opening being connected to the intake antrum and what is be connected to the water chamber goes out Water hole, the valve seat are equipped with the first connector;Diaphragm unit, the diaphragm unit are installed on the valve seat upper surface and are located at institute It states in water chamber, the diaphragm unit includes: plate body, and the plate body is equipped with the second connector cooperated with the first connector;Out Water valve plate, the water outlet valve block are integrally formed on the plate body, and the water outlet valve block is used to open or closes the apopore; Water inlet valve block, the valve seat are formed with the concave surface that Open Side Down, and the water inlet valve block is at least partly bonded with the concave surface to beat Open or close the inlet opening.
Valve head structure according to an embodiment of the present invention for diaphragm pump, by the way that the first connector is arranged on valve seat, Second connector of plate body setting and the cooperation of the first connector, thus it is diaphragm unit is reliable and can be stably positioned on valve seat, And water inlet valve block at least partly be bonded with concave surface, make it is smaller into water valve block joint place stress, guarantee intake valve block it is normally-open.
In addition, the valve head structure according to an embodiment of the present invention for diaphragm pump, can also have following technical characteristic:
According to one embodiment of present invention, first connector is the positioning column upwardly extended, second connection Part is the location hole cooperated with the positioning column.
According to one embodiment of present invention, the center of the plate body and the corner position to external radiation are equipped with fixed Position hole, wherein the corner position of the plate body is equipped with columnar part, and the location hole runs through the upper and lower surface of the columnar part.
According to one embodiment of present invention, the water outlet valve block includes: interconnecting piece, and one end of the interconnecting piece is connected to The side wall of the plate body;Shielding part, the shielding part are connect with the other end of the interconnecting piece.
According to one embodiment of present invention, the upper surface of the interconnecting piece is lower than the upper surface of the board body part, described The lower surface of interconnecting piece is higher than the lower surface of the board body part.
According to one embodiment of present invention, the thickness of the interconnecting piece is less than the thickness of the shielding part, wherein described Shielding part is circle.
According to one embodiment of present invention, the position that the valve seat corresponds to the apopore is equipped with supporting table, the screening Cover is supported in the supporting table.
According to one embodiment of present invention, the diaphragm unit is symmetrical arranged relative to its horizontal centre plane.
According to one embodiment of present invention, the valve seat has the positioning through hole through its upper and lower surface, the valve seat Multiple inlet openings are equipped with around the circumferential direction of the positioning through hole, the water inlet valve block has installing handle, and the installing handle is certainly Under extend upwardly into the water inlet valve block made to fit in the lower surface of the valve seat in the positioning through hole, wherein the water inlet Valve block is elastic component.
According to one embodiment of present invention, the concave surface centered on the positioning through hole outwardly extending inclined surface or The upper surface of cambered surface, the water inlet valve block is plane.
According to one embodiment of present invention, the water inlet valve block has plate structure, the plate body structure and the valve seat Concave surface cooperation be used to open or close the apopore, which includes the first parallel surface that up and down direction is parallel to each other With the second parallel surface.
The diaphragm pump of embodiment includes the valve head structure of above-described embodiment according to a second aspect of the present invention, due to according to this hair The diaphragm unit and valve seat positioning stablity of the valve head structure of bright embodiment, good airproof performance, and valve block of intaking is opened and is stablized, therefore, Diaphragm discharge of pump according to an embodiment of the present invention is stablized.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:
Fig. 1 is the explosive view of diaphragm pump according to some embodiments of the invention;
Fig. 2 is the perspective view of valve seat according to some embodiments of the invention;
Fig. 3 is the perspective view of diaphragm unit according to some embodiments of the invention;
Fig. 4 is the installation diagram of valve seat and diaphragm unit according to some embodiments of the invention;
Fig. 5 is the perspective view of valve seat according to some embodiments of the invention;
Fig. 6 is the bottom view of valve seat according to some embodiments of the invention;
Fig. 7 is the cross-sectional view of the line A-A along Fig. 6, wherein inlet valve piece is assemblied on valve seat;
Fig. 8 is the cross-sectional view of water inlet valve block according to some embodiments of the invention.
Appended drawing reference:
Diaphragm pump 100;
The pump housing 10;
Valve deck 11;Water inlet pipe 111;Outlet pipe 112;
Valve seat 12;Inlet opening 121;Apopore 122;Positioning column 123;Supporting station 124;Positioning through hole 125;Concave surface 126;
Cylinder body 13;
Pedestal 14;
Diaphragm unit 20;Plate body 21;Columnar part 211;Location hole 212;It is discharged valve block 22;Interconnecting piece 221;Shielding part 222;
Piston 50;
Water inlet valve block 60;Installing handle 61;Plate body structure 62;First parallel surface 621;Second parallel surface 622;
Link assembly 70.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar component or component with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The valve head structure according to an embodiment of the present invention for diaphragm pump 100 is described referring to Fig. 1 to Fig. 8, wherein every Membrane pump 100 can be water pump, air pump or other fluid pumps, which can be widely applied to each technical field, such as answer For being used for the transmission of fluid in household electrical appliance or Medical Devices.In the description below the present invention, shown by taking water pump as an example Meaning property explanation, the diaphragm pump can be used for pumping gas, liquid or other suspensions
Diaphragm pump 100 generallys include: valve head structure, piston 50 and driving assembly 30.Wherein, valve head structure includes the pump housing 10, diaphragm unit 20 and water inlet valve block 60.
Specifically, as shown in Figure 1, the pump housing 10 may include valve deck 11, valve seat 12, cylinder body 13 and pedestal interconnected 14, valve seat 12 and the common structure of valve deck 11 set out mutually isolated intake antrum and water chamber, wherein intake antrum is located at outer ring, water outlet Chamber is located at inner ring, and valve deck 11 has the water inlet pipe 111 being connected to intake antrum and the outlet pipe 112 being connected to water chamber, valve seat 12 Equipped with the inlet opening 121 being connected to intake antrum and the apopore 122 being connected to water chamber.Wherein, valve seat 12 is equipped with inlet valve Piece 60 and diaphragm unit 20, water inlet valve block 60 are used to open or close inlet opening 121, and the water outlet valve block 22 of diaphragm unit 20 is used for Open or close apopore 122.
As shown in Figure 1, piston 50 is installed on cylinder body 13, cylinder body 13 has mounting hole, and piston 50 has substrate, substrate Upper surface, which is recessed downwards, is formed with multiple blister cavities, wherein substrate is attached at the surface of cylinder body 13, and blister cavities wears mounting hole.
As shown in Figure 1, driving assembly 30 includes driving motor 31, eccentric shaft 32 and link assembly 70, driving motor 31 Motor shaft is connect with one end of eccentric shaft 32, and the other end of eccentric shaft 32 is connect with link assembly 70, link assembly 70 and piston 50 connections can drive blister cavities to stretch or squeeze.
As shown in Fig. 4 combination Fig. 2 and Fig. 3, valve seat 12 is equipped with the first connector, and diaphragm unit 20 is installed on table on valve seat 12 Face and be located at water chamber in.Diaphragm unit 20 includes: plate body 21 and water outlet valve block 22, and valve seat 12 is equipped with the first connector, plate body 21 are equipped with the second connector cooperated with the first connector.That is, passing through the cooperation of the first connector and the second connector Plate body 21 is positioned on valve seat 12, prevents diaphragm unit 20 from moving along the circumferential direction of valve seat 12, to realize diaphragm unit 20 with the reliable installation of valve seat 12.
The bottom-up recess of valve seat 12 forms concave surface 126, water inlet valve block 60 be at least partly bonded with concave surface 126 to open or Close inlet opening 121.In this way, the case where pump sump, water flow can flow downward along concave surface 126, wash away into water valve block 60 So that water inlet valve block 60 towards far from inlet opening direction open, draining the case where, water inlet valve block 60 and concave surface 126 cooperation close into Water hole 121 intakes in the case of not using for a long time so as to avoid water pump since water inlet valve block 60 and the contact surface of valve seat 12 are smaller 60, valve remain to normally-open and close, and ensure that the work of water pump normal table.
The course of work of the water pump 100 generates attraction inside, blister cavities when stretching blister cavities approximately as: link assembly 70 Volume increase, water is inhaled into intake antrum by water inlet pipe 111, and water inlet valve block is opened, and water enters in blister cavities, and completion absorbed water Journey;When link assembly 70 squeezes blister cavities, the volume of blister cavities reduces, and water outlet valve block 22 is opened, and water is flowed out from blister cavities, and passes through Water hole 122 flows into water chamber, finally flows out from apopore 122 and is flowed out by outlet pipe 112, completes drainage procedure.
In short, the valve head structure according to an embodiment of the present invention for diaphragm pump 100, by the way that is arranged on valve seat 12 A connection piece, in the second connector of the setting of plate body 21 and the cooperation of the first connector, so that diaphragm unit 20 is reliable and stable Ground is positioned on valve seat 12, and the recess upwardly of the cooperation of valve seat 12 and water inlet valve block 60 is formed concave surface 126, valve block of intaking 60 are at least partly bonded with concave surface 126, guarantee that water inlet valve block 60 normally opens and closes.
In some embodiments of the invention, the first connector is the positioning column 123 upwardly extended, the second connector be with The location hole 212 that positioning column 123 cooperates.Diaphragm unit 20 and valve seat 12 are realized by the cooperation of positioning column 123 and location hole 212 Be reliably connected.
In alternative embodiment, the center of plate body 21 and the corner position to external radiation are equipped with location hole 212, In, the corner position of plate body 21 is equipped with columnar part 211, and location hole 212 runs through the upper and lower surface of columnar part 211 for example, such as Fig. 2 knot It closes shown in Fig. 4, the upper surface of valve seat 12 upwardly extends to be formed there are four positioning column 123, and one of positioning column 123 occupies centre bit It installs, three positioning columns 123 positioned at periphery substantially constitute three vertex of triangle, in this way, diaphragm unit 20 assembled Four location holes 212 on plate body 21 can be directly sheathed on four positioning columns 123, thus, it is possible to improve diaphragm by Cheng Zhong The installation effectiveness of component 20 and valve seat 12.It is understood that above-described embodiment is only illustrative, it is not to be protected to the present invention The limitation of range is protected, plate body 21 can be other arbitrary shapes, such as quadrangle, hexagon etc..
Advantageous, the position corresponding with 21 apex angle of plate body of valve deck 11 can be equipped with crimp block (not shown go out), in this way, valve deck After 11 dock with valve seat 12 and fit together, crimp block can be connected to the apex angle of plate body 21, exist to limit diaphragm unit 20 The displacement of up and down direction, to further increase the reliable and stability that diaphragm unit 20 is installed on valve seat 12.
In other embodiments, water outlet valve block 22 may include interconnecting piece 221 and shielding part 222.Specifically, interconnecting piece 221 one end is connected to the side wall of plate body 21, and shielding part 222 is connect with the other end of interconnecting piece 221.Wherein, shielding part 222 is used In opening or closing apopore 122, i.e., during water pump 100 absorbs water, shielding part 222 closes apopore 122, so that blister cavities Negative pressure is formed, water storage process is completed;During water pump 100 drains, water inlet valve block closes inlet opening 121, and shielding part 222 is beaten Water hole 122 is outputed, blister cavities is extruded, and completes the process of draining.
In alternative embodiment, the upper surface of interconnecting piece 221 is lower than plate body 21 upper surfaces, the lower surface of interconnecting piece 221 Lower surface of 21 higher than plate body.In this way, water outlet valve block 22 is during upper and lower pat, interconnecting piece 221 can provide enough Deformation space.
In further alternative embodiment, the thickness of interconnecting piece 221 is less than the thickness of shielding part 222, wherein shielding part 222 Unlatching or the pass of apopore 122 are controlled convenient for water outlet valve block 22 to effectively improve the deformability of interconnecting piece 221 for circle It closes.
It is understood that if desired interconnecting piece 221 be bent downwardly just such that shielding part 222 close apopore 122, In water outlet 22 long-term use process of valve block, interconnecting piece 221 itself is easy to be bent downwardly deformation, so that shielding part 222 can not have Effect ground sealing apopore 122, to cause the water yield of water pump 100 unstable.Therefore, valve seat corresponds to the position of apopore 122 Equipped with supporting table 124, shielding part 222 is supported in supporting table 124.In this way, shielding part 222 closes the case where apopore 122, The lower surface of shielding part 222 and interconnecting piece 221 can be generally in same plane.
In one specific implementation example, plate body 21 is equilateral triangle, and three sides of plate body 21 are to the center etc. of plate body 21 To form recess portion, water outlet valve block 22 is connect distance recess with recess portion.As shown in figure 3, being formed between the adjacent apex angle of plate body 21 recessed Portion, water outlet valve block 22 are connected on the side of plate body 21 and are located at recess portion and be formed by space, so that diaphragm unit 20 Plate body 21 is more reasonable with the positional relationship design of water outlet valve block 22, so that the occupied space of diaphragm unit 20 is smaller, from And meets the needs of 100 overall structure of water pump minimizes as far as possible.
In some specific examples, diaphragm unit 20 is symmetrical arranged relative to its horizontal centre plane.It is discharged valve block 22 Vertical distance of the upper surface apart from 21 upper surface of plate body and water outlet valve block 22 lower surface apart from 21 lower surface of plate body it is vertical away from From equal, in this way, 20 forward direction of diaphragm unit is installed on valve seat 12, diaphragm unit 20, which also can be reversed, to be installed on valve seat 12, from And the installation effectiveness of diaphragm unit 20 Yu valve seat 12 is improved, reduce the production cost of diaphragm pump 100.
In still other embodiments of the present invention, valve seat 12 has the positioning through hole 125 through its upper and lower surface, 12 ring of valve seat Multiple inlet openings 121 are equipped with around the circumferential direction of positioning through hole 125, water inlet valve block 60 has installing handle 61, and installing handle 61 is under Extend upwardly into the concave surface 126 that the valve block 60 that makes to intake in positioning through hole 125 fits in valve seat 12.By installing handle 61 by inlet valve Piece 60 is securely positioned on valve seat 12, wherein water inlet valve block 60 be flexible material be prepared, for example, rubber or Silica gel, as shown in fig. 7, the first limiting section can be equipped on installing handle 61, wherein the first limiting section is connected to valve after being squeezed and deformed The upper surface of seat 12, to limit installing handle 61 in the freedom degree of vertical direction.
The second limited section can be equipped on installing handle 61, the lower surface of valve seat 12 can be recessed to be formed for accommodating the upwards The limiting slot of two limiting sections is limited to limit installing handle 61 in the freedom degree of circumferential direction by the first limiting section and second Water inlet valve block is stable at and is positioned on valve seat 12 by the collective effect in portion.
In some alternative embodiments, concave surface 126 outwardly extending inclined surface or concave surface centered on positioning through hole 125 126 centered on positioning through hole 125 outwardly extending cambered surface, i.e. concave surface 126 be formed generally as the bowl face that Open Side Down.Compared to For planar structure, water flow can flow downward along inclined surface or cambered surface, to be easier to wash open into water valve block 60 and valve seat Contact surface between 12, in the case where equal-wattage, inclined surface has more preferably inflow.
Wherein, the upper surface of water inlet valve block 60 is plane.In this way, when water inlet valve block 60 is assemblied on valve seat 12, inclined surface Or cambered surface can apply downward active force to flexible water inlet valve block 60, be allowed to down turn over, the case where water suction, water flow can be with The upper surface into water valve block 60 is washed away, water inlet valve block 60 is easier the water yield on and off for guaranteeing water pump.
In still other embodiments of the invention, water inlet valve block 60 has plate structure, the plate body structure and valve seat 12 The cooperation of concave surface 126 is used to open or closes the apopore 122, which includes first that up and down direction is parallel to each other Parallel surface 621 and the second parallel surface 622.It is more conducive to opening and closing into water valve block 60 relative to valve seat 12 as a result, guarantees diaphragm pump The stabilization of 100 water yield.
Diaphragm pump according to an embodiment of the present invention includes the valve head structure of above-described embodiment, due to according to embodiments of the present invention Valve head structure diaphragm unit 20 and 12 positioning stablity of valve seat, good airproof performance, and intake valve block open stablize, therefore, according to The diaphragm discharge of pump of the embodiment of the present invention is stablized.
Diaphragm pump 100 other are constituted and operation belongs to those of ordinary skill in the art and understands and be easy to get , it is no longer repeated herein.
In the description of the present invention, it is to be understood that, the orientation or position of the instructions such as term " on ", "lower", "inner", "outside" Setting relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, rather than The device or component of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot It is interpreted as limitation of the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower" It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above " Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists Second feature " under ", " lower section " and " following " include fisrt feature right above second feature and oblique upper, or be merely representative of First feature horizontal height is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.

Claims (12)

1. a kind of valve head structure for diaphragm pump characterized by comprising
The pump housing, the pump housing include valve deck and valve seat interconnected, the valve deck and the common structure of the valve seat set out mutually every From intake antrum and water chamber, wherein the intake antrum is located at outer ring, and the water chamber is located at inner ring, the valve deck have with The water inlet pipe of the intake antrum connection and the outlet pipe being connected to the water chamber, the valve seat are equipped with and are connected to the intake antrum Inlet opening and the apopore that is connected to the water chamber, the valve seat be equipped with the first connector;
Diaphragm unit, the diaphragm unit are installed on the valve seat upper surface and are located in the water chamber, the diaphragm unit Include:
Plate body, the plate body are equipped with the second connector cooperated with the first connector;
It is discharged valve block, the water outlet valve block is integrally formed on the plate body, described in the water outlet valve block is used to open or closes Apopore;
The recess upwardly of water inlet valve block, the cooperation of the valve seat and the water inlet valve block forms concave surface, and the water inlet valve block is extremely Small part is bonded to open or close the inlet opening with the concave surface.
2. the valve head structure according to claim 1 for diaphragm pump, which is characterized in that first connector is upward The positioning column of extension, second connector are the location hole cooperated with the positioning column.
3. the valve head structure according to claim 2 for diaphragm pump, which is characterized in that the center of the plate body and Location hole is equipped with to the corner position of external radiation, wherein the corner position of the plate body is equipped with columnar part, and the location hole passes through Wear the upper and lower surface of the columnar part.
4. the valve head structure according to claim 1 for diaphragm pump, which is characterized in that the water outlet valve block includes:
Interconnecting piece, one end of the interconnecting piece are connected to the side wall of the plate body;
Shielding part, the shielding part are connect with the other end of the interconnecting piece.
5. the valve head structure according to claim 4 for diaphragm pump, which is characterized in that the upper surface of the interconnecting piece is low In the upper surface of the board body part, the lower surface of the interconnecting piece is higher than the lower surface of the board body part.
6. the valve head structure according to claim 5 for diaphragm pump, which is characterized in that the thickness of the interconnecting piece is less than The thickness of the shielding part, wherein the shielding part is circle.
7. the valve head structure according to claim 6 for diaphragm pump, which is characterized in that the valve seat corresponds to the water outlet The position in hole is equipped with supporting table, and the shielding part is supported in the supporting table.
8. the valve head structure according to claim 1 for diaphragm pump, which is characterized in that the diaphragm unit is relative to it Horizontal centre plane is symmetrical arranged.
9. the valve head structure according to claim 1 for diaphragm pump, which is characterized in that the valve seat has through thereon The positioning through hole of lower surface, the valve cup ring are equipped with multiple inlet openings, the inlet valve around the circumferential direction of the positioning through hole Piece has installing handle, and bottom-up protrude into the positioning through hole of the installing handle makes the water inlet valve block fit in the valve The lower surface of seat, wherein the water inlet valve block is elastic component.
10. the valve head structure according to claim 9 for diaphragm pump, which is characterized in that the concave surface is with the positioning The upper surface of outwardly extending inclined surface or cambered surface centered on through-hole, the water inlet valve block is plane.
11. the valve head structure according to claim 1 for diaphragm pump, which is characterized in that the water inlet valve block has plate The concave surface cooperation of shape structure, the plate body structure and the valve seat is used to open or closes the apopore, which includes The first parallel surface and the second parallel surface that up and down direction is parallel to each other.
12. a kind of diaphragm pump, which is characterized in that the valve head knot including being used for diaphragm pump described in claim any one of 1-12 Structure.
CN201711068120.5A 2017-11-03 2017-11-03 It is a kind of for the valve head structure of diaphragm pump and with its diaphragm pump Pending CN109751227A (en)

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Application Number Priority Date Filing Date Title
CN201711068120.5A CN109751227A (en) 2017-11-03 2017-11-03 It is a kind of for the valve head structure of diaphragm pump and with its diaphragm pump
US15/864,086 US10859080B2 (en) 2017-11-03 2018-01-08 Valve head structure for diaphragm pump and diaphragm pump having same

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Application Number Priority Date Filing Date Title
CN201711068120.5A CN109751227A (en) 2017-11-03 2017-11-03 It is a kind of for the valve head structure of diaphragm pump and with its diaphragm pump

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CN111043026A (en) * 2020-01-03 2020-04-21 浙江科博电器有限公司 Anti-backflow sealing assembly and diaphragm pump
CN111472960A (en) * 2020-04-10 2020-07-31 浙江多加机电科技股份有限公司 Diaphragm pump

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CN207740144U (en) * 2017-11-03 2018-08-17 厦门科际精密器材有限公司 It is a kind of for the valve head structure of diaphragm pump and with its diaphragm pump

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WO2015058728A1 (en) * 2013-10-25 2015-04-30 厦门科际精密器材有限公司 Valve plate and air pump provided with same
CN205013271U (en) * 2015-09-23 2016-02-03 佛山市威灵洗涤电机制造有限公司 Booster pump valve holder structure and piston valve block
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Publication number Priority date Publication date Assignee Title
CN111043026A (en) * 2020-01-03 2020-04-21 浙江科博电器有限公司 Anti-backflow sealing assembly and diaphragm pump
CN111472960A (en) * 2020-04-10 2020-07-31 浙江多加机电科技股份有限公司 Diaphragm pump

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