CN209115310U - A kind of fluid diaphragm pump - Google Patents
A kind of fluid diaphragm pump Download PDFInfo
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- CN209115310U CN209115310U CN201821732234.5U CN201821732234U CN209115310U CN 209115310 U CN209115310 U CN 209115310U CN 201821732234 U CN201821732234 U CN 201821732234U CN 209115310 U CN209115310 U CN 209115310U
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- diaphragm
- diaphragm capsule
- fluid
- pump
- check valve
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Abstract
A kind of fluid diaphragm pump, it is related to diaphragm pump technical field.It includes: the pump housing, the feed nozzle being arranged on the pump housing and discharging gate, setting in the intracorporal diaphragm capsule of pump and driving assembly, driving assembly is set in the pump housing, and deformation occurs for driving diaphragm capsule to change the intracapsular volume of diaphragm, driving assembly includes: the power source being fixedly installed on the pump housing；The eccentric wheel being fixedly installed on the power output shaft of power source is provided with eccentric rod far from power source side protrusion on eccentric wheel；Be installed on eccentric rod and can be rotated relative to eccentric rod, under eccentric rod driving far from or close to the connecting rod of diaphragm capsule side wall；And be set to diaphragm capsule side and with connecting rod fixing assembling, for pushing and pulling diaphragm capsule side wall to change the drive block of diaphragm capsule volume.By adopting the above technical scheme, so that fluid diaphragm pump has, space hold is small, wears small, output consistency height, long service life, the advantage that good airproof performance, noise is small, stability is good.
Description
Technical field
The utility model relates to diaphragm pump technical fields, and in particular to a kind of fluid diaphragm pump.
Background technique
What Miniature diaphragm pump referred to is exactly minipump, refers to the air exhaust nozzle for having one-in-and-one-out, exhaust nozzle each one, inside
So that the diaphragm inside pump is done reciprocating by mechanical device, and can persistently form vacuum or negative pressure in entrance, arranges
Micro-positive pressure is formed at gas nozzle；Working media is mainly gas or fluid, and a kind of instrument of compact is widely used in coffee
Machine, beer brewing machine, blood pressure machine, water purifier etc..
Existing Miniature diaphragm pump generally uses eccentric wheel to add swing rod, and roll structure becomes diaphragm in vertical direction
Shape so that diaphragm generates volume variation, and then changes the pressure inside diaphragm, realize gas or fluid in diaphragm into
Out.Had the disadvantage in that using the above structure in diaphragm pump work, ball and swing rod rub for a long time, easily lead to swing rod or
Person's ball is seriously worn, and diaphragm is deformed in vertical direction, swing rod deformation is easily led to, therefore, using eccentric wheel
Add swing rod, roll structure is easy to cause the diaphragm deformation degree of diaphragm pump different, and then is difficult to ensure the consistent of diaphragm pump discharge
Property；Meanwhile eccentric wheel adds swing rod, roll structure, the space occupied is larger at work, so as to cause the change of miniature diaphragm pump volume
Greatly, the practical of Miniature diaphragm pump is influenced, therefore, is had much room for improvement.
Utility model content
The purpose of this utility model is that it is in view of the drawbacks of the prior art and insufficient, a kind of fluid diaphragm pump is provided, it can
The consistency that flow passes in and out and guarantees output is controlled more accurately, while can effectively avoid the generation of siphonage, is had
Have that space hold is small, abrasion small, output consistency is high, deformation amplitude is small, long service life, good airproof performance, noise is small, stablizes
The good advantage of property.
In order to achieve the above purposes, the technical solution adopted by the utility model is: a kind of fluid diaphragm pump, comprising: the pump housing is set
Set feed nozzle and discharging gate on the pump housing, setting is pumping intracorporal diaphragm capsule and driving assembly, the driving component setting
In in the pump housing, deformation occurs for driving the diaphragm capsule to change the intracapsular volume of diaphragm, the drive for the driving component
Dynamic component includes: the power source being fixedly installed on the pump housing；It is fixedly installed on the power output shaft of the power source
Eccentric wheel is provided with eccentric rod far from power source side protrusion on the eccentric wheel；It is installed on the eccentric rod and can
Relative to eccentric rod rotation, the connecting rod separate or close to the diaphragm capsule side wall under eccentric rod driving；And
Be set to diaphragm capsule side and with the connecting rod fixing assembling, for pushing and pulling the diaphragm capsule side wall with change it is described every
The drive block of membrane vesicle volume.
Kidney slot is provided on the connecting rod, the eccentric rod is movable to be placed in the kidney slot.
Diaphragm capsule side is provided with mounting hole on the connecting rod, the drive block is pacified close to described connecting rod one end
Loaded in the mounting hole.
The drive block and the diaphragm capsule are integrally formed.
Be provided with top plate on the pump housing, be provided with discharge port and the feed inlet on the top plate, the feed nozzle with
The feed inlet assembly, the discharging gate and the discharge port assemble, and first that control charging is provided in the feed nozzle is single
To valve, the discharging progress for the fluid intracapsular to the diaphragm is provided between the exit side and the top plate of the diaphragm capsule
The third check valve of control.
The exit side of the diaphragm capsule is provided with discharge end, and the third check valve includes: with the diaphragm capsule
Exit side turns the outer ring matched, with inner ring discharge end assembly, being used to open or close the discharge end；And
One end and the outer ring assembly, the other end and the inner ring assembly, for controlling inner ring uniform force at work
Elastic webbing.
First check valve is umbrella fourth check valve, and the material of the third check valve is flexible material.
Second one-way valve is provided between the discharging gate and the discharge port, the second one-way valve is that permanent magnet is unidirectional
Valve.
Axis direction on the inner wall of the discharging gate along discharging gate is provided with blow tank, the permanent magnet check valve packet
Include: be fixedly installed in it is on the discharge port, at center with discharge hole becket；Be installed on it is in the discharging gate, can
Along the discharging gate axis direction slide, for the becket adsorb or separate to control discharge hole and open or close
Magnet；And it is fixedly installed in baffle ring in the discharging gate, for limiting the magnet movement range.
After adopting the above technical scheme, the utility model has the beneficial effect that
One, in diaphragm pump in use, being rotated by the power output shaft control eccentric of power source, to pass through bias
The connecting rod that assemble with eccentric shaft of eccentric shaft driving on wheel moves reciprocatingly, the drive block that driving and connecting rod assemble to diaphragm capsule into
Row push-and-pull, to change the volume of diaphragm capsule, so that diaphragm is intracapsular positive pressure and negative pressure occurs repeatedly, to control diaphragm pump disengaging
Material；Using the side deformation of such driving assembly driving diaphragm capsule, avoid using ball and swing rod serious wear or swing rod
Deformation causes diaphragm pump output to be difficult to ensure consistent phenomenon, so that fluid diaphragm pump has, motion structure is stable, moves
Stable distance, movement abrasion is small, occupy little space, output consistency is good, diaphragm volume is big, amplitude of deformation is relatively small, uses
The advantage of service life length；
Secondly, in diaphragm pump in use, firstly, when fluid the intracapsular fluid of start-up operation Shi Gangcong diaphragm for the first time from go out
Expect that hole is squeezed to discharge port, since extruding force is greater than the attraction between magnet and becket, magnet is moved to retaining ring side, from
And discharge hole is opened, the intracapsular fluid of defeated diaphragm is conveyed by the blow tank on discharge port and discharging gate to outside diaphragm pump；
Secondly, diaphragm pump stop control before, the intracapsular fluid of diaphragm constantly from discharge hole to discharge port squeeze so that magnet with
Sheet metal remains opening state, until the extruding force of fluid disappears, the suction that magnet passes through itself after diaphragm pump stops working
Gravitation is closed again with becket, to effectively prevent diaphragm pump that water clock and siphonage occurs；
Third, third check valve is arranged between the exit side and top plate of diaphragm capsule, pass through the inner ring on third check valve
It is opened or closed with discharge end, realizes the discharging and charging of diaphragm pump, pass through the discharging of inner loop control discharge end in this way, no
The contact area between third check valve and discharge end is only reduced, third check valve is avoided and adhesion occurs in discharge end
Phenomenon, moreover, assembled by elastic webbing and inner ring so that in inner ring can uniform stressed so that third check valve has stress
Uniformly, contact surface is small, structure is simple, stability is good, good airproof performance, noise are small, is capable of the excellent of effectively antidrip and siphonage
Gesture.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overall structure diagram of the present embodiment；
Fig. 2 is the top view of corresponding diagram 1；
Fig. 3 is the cross-sectional view of cutting line A-A cutting in corresponding diagram 2；
Fig. 4 is the structural schematic diagram of driving assembly and diaphragm capsule in the present embodiment；
Fig. 5 is the explosive view of the present embodiment.
Description of symbols: the 1, pump housing；2, feed nozzle；3, discharging gate；4, diaphragm capsule；5, driving assembly；6, box body；7, it pushes up
Plate；8, power source；9, eccentric wheel；10, eccentric rod；11, connecting rod；12, drive block；13, kidney slot；14, the first check valve；15,
Second one-way valve；16, third check valve；17, becket；18, magnet；19, baffle ring；20, blow tank；21, discharge end；22,
Outer ring；23, inner ring；24, elastic webbing.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification made to the present embodiment and do not create contribution after reading this specification, but only
It will be in the scope of the claims of the utility model all by the protection of Patent Law.
The present embodiment is related to a kind of fluid diaphragm pump, as shown in Figure 1, 2, 3, comprising: the pump housing 1, feed nozzle 2, discharging gate 3,
Diaphragm capsule 4 and driving assembly 5.
As shown in Figure 1, 2, 3, the pump housing 1 includes: box body 6 and top plate 7, and box body 6 is used to install diaphragm capsule 4 and driving assembly 5,
Top plate 7 is fixedly mounted on box body 6, and discharge port and feed inlet are provided on top plate 7, and discharging gate 3 and discharge port assemble, feed nozzle
2 assemble with feed inlet.Diaphragm capsule 4 is arranged in box body 6, and diaphragm capsule 4 is flexible utricule, and diaphragm capsule 4 is for containing fluid.Driving
Component 5 is set in box body 6, and deformation occurs for driving diaphragm capsule 4 for driving assembly 5, to change 4 internal volume of diaphragm capsule.?
In the present embodiment, top plate 7 is fixedly mounted on box body 6 by four fastening screws, and feed nozzle 2 and top plate 7 are integrally formed, discharging
Mouth is provided with mounting groove, and discharging gate 3 is assembled by mounting groove and the sealing of top plate 7.
As shown in Figure 2,3, 4, driving assembly 5 includes: power source 8, eccentric wheel 9, eccentric rod 10, connecting rod 11 and drive block
12.Power source 8 is fixedly installed on the pump housing 1, and eccentric wheel 9 is fixedly installed on the power output shaft of power source 8, and eccentric rod 10 is convex
It is arranged on eccentric wheel 9 out and separate 8 side of power source.Connecting rod 11 is installed on eccentric rod 10, and can be relative to eccentric rod 10
Rotation, connecting rod 11 is separate under the driving of eccentric rod 10 or close to 4 side wall of diaphragm capsule, to push and pull to drive block 12.Driving
Block 12 is set to 4 side of diaphragm capsule, and with 11 fixing assembling of connecting rod, drive block 12 changes for pushing and pulling 4 side wall of diaphragm capsule
4 volume of diaphragm capsule realizes the charging and discharging of diaphragm pump.
In the present embodiment, power source 8 is fixedly mounted on the lower end of the pump housing 1 by two fastening screws, in order to avoid even
Bar 11 moves in a circle with eccentric rod 10, and kidney slot 13 is provided on connecting rod 11, and eccentric rod 10 is movable to be placed in kidney slot 13
It is interior.When eccentric rod 10 is rotated with eccentric wheel 9, along the axis of kidney slot 13 while eccentric rod 10 is rotated relative to kidney slot 13
Direction sliding, to realize that connecting rod 11 moves reciprocatingly in a straight line.In order to facilitate the assembly of drive block 12, on connecting rod 11
4 side of diaphragm capsule is provided with mounting hole, drive block 12 is installed in mounting hole close to 11 one end of connecting rod, and drive block 12 can be with
Connecting rod 11 moves synchronously.Drive block 12 and diaphragm capsule 4 are integrally formed.
As shown in Figure 2-5, in order to guarantee ontology charging when, discharge port close, discharging when, feed inlet close, into
The first check valve 14 of control charging is provided in material mouth 2, in the present embodiment, the first check valve 14 is umbrella fourth check valve.Together
When the third controlled for the discharging to the fluid in diaphragm capsule 4 is provided between the exit side and top plate 7 of diaphragm capsule 4
Check valve 16.In order to further prevent discharge port that water clock or siphonage occurs, the is provided between discharging gate 3 and discharge port
Two check valves 15.
As shown in figure 5, the exit side of diaphragm capsule 4 is provided with discharge end 21, third check valve 16 includes: outer ring 22,
Inner ring 23 and elastic webbing 24.The exit side of outer ring 22 and diaphragm capsule 4 assembles, and inner ring 23 and discharge end 21 assemble, inner ring 23
It is used to open or closes discharge end 21, to realize the charging and discharging of diaphragm pump.24 one end of elastic webbing and outer ring 22 assemble,
The other end and inner ring 23 are assembled, and elastic webbing 24 is for controlling the uniform force at work of inner ring 23.In the present embodiment, elastic webbing
24 are provided with four, and the material of third check valve 16 is flexible material (flexible material is flexible silicone rubber).
As shown in Figure 2-5, the axis direction on the inner wall of discharging gate 3 along discharging gate 3 is provided with blow tank 20, and second is unidirectional
Valve 15 is permanent magnet check valve.Permanent magnet check valve includes: becket 17, magnet 18 and baffle ring 19.The fixed peace of becket 17
Loaded on feed inlet, there is discharge hole at 17 center of becket, becket 17 is used to adsorb for magnet 18, becket 17 by into
Material mouth 2 is fixedly mounted on the discharge outlet on top plate 7.Magnet 18 is installed in discharging gate 3, and magnet 18 can be along the axis of discharging gate 3
The sliding of line direction, magnet 18 are used to adsorb or separate with becket 17, fix to control discharge hole and close or open baffle ring 19
It is installed in discharging gate 3, baffle ring 19 is for limiting 18 motion range of magnet.In the present embodiment, the use of becket 17 can be by magnetic
Iron 18 adsorb metal material be made (such as iron, cobalt, nickel), retaining ring using can not be made by the material that magnet 18 adsorbs (such as copper,
Aluminium, rigid plastics, vulcanie etc.).
The working principle of the present embodiment is approximately as stating: in diaphragm pump in use, passing through the power output shaft control of power source 8
Eccentric wheel 9 processed rotates, to be moved reciprocatingly by the connecting rod 11 that the eccentric shaft driving on eccentric wheel 9 is assembled with eccentric shaft, drives
The dynamic drive block 12 assembled with connecting rod 11 pushes and pulls diaphragm capsule 4, to change the volume of diaphragm capsule 4, so that in diaphragm capsule 4
Occur positive pressure and negative pressure repeatedly, to control diaphragm pump input and output material；Pass through the switch and third of the first check valve 14 and feed inlet
Inner ring 23 on check valve 16 is closed or opened with discharge end 21, realizes the charging and discharging of diaphragm pump, when fluid is starting
The fluid to work in Shi Gangcong diaphragm capsule 4 is squeezed from discharge hole to discharge port for the first time, since extruding force is greater than magnet 18 and metal
Attraction between ring 17, magnet 18 is moved to retaining ring side, to open discharge hole, the fluid in defeated diaphragm capsule 4 passes through
Blow tank 20 on discharge port and discharging gate 3 is conveyed to outside diaphragm pump；In diaphragm pump before stopping control, in diaphragm capsule 4
Fluid constantly squeezed from discharge hole to discharge port so that magnet 18 and sheet metal remain opening state, until diaphragm
After pump stops working, the extruding force of fluid disappears, and magnet 18 is closed by the attraction of itself with becket 17 again, to have
Effect prevents diaphragm pump from water clock and siphonage occurs, so that fluid diaphragm pump has, space hold is small, wears small, output one
Cause property is high, deformation amplitude is small, long service life, the advantage that good airproof performance, noise is small, stability is good.
More than, it is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art are to this reality
The other modifications or equivalent replacement made of novel technical solution, without departing from the spirit of technical solutions of the utility model
And range, it should all cover in the scope of the claims of the utility model.
Claims (9)
1. a kind of fluid diaphragm pump, comprising: the pump housing (1), the feed nozzle (2) being arranged on the pump housing (1) and discharging gate (3), setting
Diaphragm capsule (4) and driving assembly (5) in the pump housing (1), which is characterized in that the driving component (5) is set to the pump
In body (1), deformation occurs for driving the diaphragm capsule (4) to change diaphragm capsule (4) internal volume, institute for the driving component (5)
Stating driving assembly (5) includes:
The power source (8) being fixedly installed on the pump housing (1)；
The eccentric wheel (9) being fixedly installed on the power output shaft of the power source (8), far from described on the eccentric wheel (9)
Power source (8) side protrusion is provided with eccentric rod (10)；
Be installed on the eccentric rod (10) and can be rotated relative to the eccentric rod (10), drive in the eccentric rod (10)
The lower connecting rod (11) far from or close to diaphragm capsule (4) side wall；And
Be set to diaphragm capsule (4) side and with the connecting rod (11) fixing assembling, for pushing and pulling diaphragm capsule (4) side
Wall is to change the drive block (12) of diaphragm capsule (4) volume.
2. fluid diaphragm pump according to claim 1, which is characterized in that be provided with kidney slot on the connecting rod (11)
(13), the eccentric rod (10) is movable is placed in the kidney slot (13).
3. fluid diaphragm pump according to claim 2, which is characterized in that close to the diaphragm capsule on the connecting rod (11)
(4) side is provided with mounting hole, and the drive block (12) is installed in the mounting hole close to the connecting rod (11) one end.
4. fluid diaphragm pump according to claim 3, which is characterized in that the drive block (12) and the diaphragm capsule (4)
It is integrally formed.
5. fluid diaphragm described in any one of -4 pumps according to claim 1, which is characterized in that be provided on the pump housing (1)
Top plate (7) is provided with discharge port and feed inlet on the top plate (7), and the feed nozzle (2) and the feed inlet assemble, described
Discharging gate (3) and the discharge port assemble, and the first check valve (14) of control charging is provided in the feed nozzle (2), described
It is provided between the exit side and the top plate (7) of diaphragm capsule (4) and is carried out for the discharging to the fluid in the diaphragm capsule (4)
The third check valve (16) of control.
6. fluid diaphragm pump according to claim 5, which is characterized in that the exit side of the diaphragm capsule is provided with discharge end
Mouthful, the third check valve (16) includes: turning the outer ring matched with the exit side of the diaphragm capsule (4), with the discharge end
Inner ring assembly, being used to open or close the discharge end；And one end and outer ring assembly, the other end and institute
State inner ring assembly, elastic webbing for controlling inner ring uniform force at work.
7. fluid diaphragm pump according to claim 6, which is characterized in that first check valve (14) is that umbrella fourth is unidirectional
Valve, the material of the third check valve (16) are flexible material.
8. fluid diaphragm pump according to claim 5, which is characterized in that between the discharging gate (3) and the discharge port
It is provided with second one-way valve (15), the second one-way valve (15) is permanent magnet check valve.
9. fluid diaphragm pump according to claim 8, which is characterized in that along discharging gate on the inner wall of the discharging gate (3)
(3) axis direction is provided with blow tank (20), and the permanent magnet check valve includes:
Be fixedly installed in it is on the feed inlet, at center with discharge hole becket (17)；
Be installed on it is in the discharging gate (3), can along the axis direction of the discharging gate (3) slide, be used for and the metal
Ring (17) absorption is separated to control the magnet (18) that discharge hole opens or closes；And
It is fixedly installed in baffle ring (19) in the discharging gate (3), for limiting the magnet (18) motion range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821732234.5U CN209115310U (en) | 2018-10-24 | 2018-10-24 | A kind of fluid diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821732234.5U CN209115310U (en) | 2018-10-24 | 2018-10-24 | A kind of fluid diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209115310U true CN209115310U (en) | 2019-07-16 |
Family
ID=67202119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821732234.5U Active CN209115310U (en) | 2018-10-24 | 2018-10-24 | A kind of fluid diaphragm pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209115310U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139439A (en) * | 2018-10-24 | 2019-01-04 | 任修勇 | A kind of fluid diaphragm pump |
| CN110725792A (en) * | 2019-10-14 | 2020-01-24 | 杭州盛维科技有限公司 | Hydraulic diaphragm pump and combined cylindrical diaphragm assembly |
-
2018
- 2018-10-24 CN CN201821732234.5U patent/CN209115310U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139439A (en) * | 2018-10-24 | 2019-01-04 | 任修勇 | A kind of fluid diaphragm pump |
| CN110725792A (en) * | 2019-10-14 | 2020-01-24 | 杭州盛维科技有限公司 | Hydraulic diaphragm pump and combined cylindrical diaphragm assembly |
| CN110725792B (en) * | 2019-10-14 | 2021-05-25 | 杭州盛维科技有限公司 | Hydraulic diaphragm pump and combined cylindrical diaphragm assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190722 Address after: 518100 Longhua Street Sanlian Community Peace Road, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Bowix Technology Co., Ltd. Address before: 518000 Third Floor, Longfu Village Complex Building, Dezheng Road, Longgang District, Shenzhen City, Guangdong Province Patentee before: Ren Xiuyong |
|
| TR01 | Transfer of patent right |