CN109944778B - Diaphragm pump with function of preventing diaphragm capsule from being collapsed - Google Patents

Diaphragm pump with function of preventing diaphragm capsule from being collapsed Download PDF

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Publication number
CN109944778B
CN109944778B CN201910310547.4A CN201910310547A CN109944778B CN 109944778 B CN109944778 B CN 109944778B CN 201910310547 A CN201910310547 A CN 201910310547A CN 109944778 B CN109944778 B CN 109944778B
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diaphragm
diaphragm capsule
discharge
connecting rod
accommodating cavity
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CN201910310547.4A
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CN109944778A (en
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杨军
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Shenzhen Bowei Kesi Technology Co ltd
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Shenzhen Bowei Kesi Technology Co ltd
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Abstract

A diaphragm pump with a function of preventing diaphragm capsule from being shrunken relates to the technical field of diaphragm pumps. It comprises the following steps: a main housing having a receiving chamber provided therein; the top shell is arranged on the main shell and fixedly assembled with the main shell, and a feed nozzle and a discharge hole are arranged on the top shell; the diaphragm bag is arranged in the accommodating cavity and positioned at one side of the discharge hole, is hermetically assembled with the discharge hole and can deform to change the internal volume; the discharging plate is hermetically assembled on one side, far away from the main shell, of the top shell and positioned at one end of the discharging hole, and a discharging nozzle is arranged on the discharging plate; one part is arranged outside the main shell and is fixedly assembled with the main shell, and the other part is arranged inside the accommodating cavity and is assembled with the diaphragm capsule and is used for guiding the material in the accommodating cavity into the diaphragm capsule and driving the diaphragm capsule to deform so as to change the volume. The diaphragm pump adopting the technical scheme has the advantages of stable operation of the diaphragm bag, strong negative pressure bearing capacity, high consistency of inlet and outlet, good tightness, low noise and long service life.

Description

Diaphragm pump with function of preventing diaphragm capsule from being collapsed
Technical Field
The invention relates to the technical field of diaphragm pumps, in particular to a diaphragm pump with a function of preventing diaphragm capsules from being collapsed.
Background
The miniature pump refers to a miniature diaphragm pump and a miniature vacuum pump, and is provided with a feeding nozzle and a discharging nozzle which are respectively one inlet and one outlet, the diaphragm in the pump is made to reciprocate through a mechanical device, vacuum or negative pressure can be continuously formed at the feeding nozzle, and micro positive pressure is formed at the discharging nozzle; the working medium is mainly gas or fluid, and is a small-sized instrument which is widely applied to coffee machines, beer machines, blood presses, water purifiers and the like.
Most of the feeding nozzles and the discharging nozzles of the existing diaphragm pump are arranged on the diaphragm bag, when the diaphragm pump is in operation and is in a negative pressure state, the diaphragm bag is easy to collapse by external air pressure because the pressure in the diaphragm bag is smaller than the atmospheric pressure, so that the two inner side walls of the diaphragm bag are mutually adhered together, the inner side walls of the diaphragm bag are difficult to separate, materials of the feeding nozzles are difficult to enter the diaphragm bag, and the diaphragm pump is damaged, so that improvement is needed.
Disclosure of Invention
Aiming at the defects and shortcomings of the prior art, the invention provides the diaphragm pump with the function of preventing the diaphragm bag from being shrunken, which can effectively avoid the phenomenon that the diaphragm bag is shrunken due to negative pressure in the diaphragm bag, thereby damaging the diaphragm pump, and has the advantages of stable operation of the diaphragm bag, strong bearing capacity of the negative pressure, high consistency of inlet and outlet, good sealing performance, low noise and long service life.
In order to achieve the above purpose, the invention adopts the following technical scheme: a diaphragm pump having a function of preventing a diaphragm capsule from collapsing, comprising: a main housing having a receiving chamber disposed therein, the receiving chamber being operable to receive a material; the top shell is arranged on the main shell and fixedly assembled with the main shell, a feeding nozzle and a discharging hole are arranged on the top shell, and the feeding nozzle is used for guiding materials into the accommodating cavity; the diaphragm bag is arranged in the accommodating cavity and positioned at one side of the discharge hole, is assembled with the discharge hole in a sealing way and can deform to change the internal volume, is used for accommodating materials accommodated in the accommodating cavity and discharging the materials from the discharge hole when the volume is reduced; the discharging plate is hermetically assembled on one side, far away from the main shell, of the top shell and is positioned at one end of the discharging hole and used for guiding materials discharged from the discharging hole out of the diaphragm pump, and a discharging nozzle is arranged on the discharging plate; and one part of the driving component is arranged outside the main shell and fixedly assembled with the main shell, the other part of the driving component is arranged inside the accommodating cavity and assembled with the diaphragm capsule and used for guiding the materials in the accommodating cavity into the diaphragm capsule and driving the diaphragm capsule to deform so as to change the volume.
The drive assembly includes: the main body is fixedly arranged on one side, far away from the feed nozzle, of the main shell through a fastening bolt, and the power output shaft penetrates through the main shell and is hermetically assembled with the main shell; the eccentric wheel is sleeved on the power output shaft of the power source and can synchronously rotate along with the power output shaft, and an eccentric rod is arranged on one side, away from the power source, of the eccentric wheel in a protruding manner; and one end of the hollow connecting rod is sleeved on the eccentric rod, can rotate relative to the eccentric rod, is fixedly assembled with the diaphragm capsule at the other end of the hollow connecting rod, pulls the diaphragm capsule to deform under the driving of the eccentric rod, and guides the material in the accommodating cavity into the diaphragm capsule in the deformation process.
The diaphragm bag is provided with a clamping part at the assembling position with the hollow connecting rod, the clamping part is provided with a feeding hole, one side of the hollow connecting rod, which is close to the eccentric rod, is provided with a feeding hole, one side of the hollow connecting rod, which is close to the diaphragm bag, is provided with a discharging port which is in butt joint with the feeding hole, the feeding hole is communicated with the discharging port through a hollow part of the hollow connecting rod, one side of the connecting rod, which is far away from the eccentric rod, is provided with a mounting part, and the mounting part is in clamping connection with the clamping part; the discharge port and the feed hole are communicated with the accommodating cavity and the feed nozzle, and when the diaphragm pump is used for pumping materials, the materials in the accommodating cavity synchronously enter the diaphragm capsule.
A first valve plate used for controlling the discharge port to be opened or closed is arranged between the discharge port and the discharge port, and the first valve plate is matched with the mounting part of the hollow connecting rod to form a one-way valve structure.
The membrane bag is made of rubber or flexible plastic, and the clamping part and the membrane bag are integrally formed.
The top shell is provided with a mounting groove, the discharge nozzle is mounted in the mounting groove, the discharge hole is positioned in the mounting groove, the bottom of the mounting groove is provided with a second valve plate for controlling the discharge hole to be opened or closed, and the second valve plate is matched with the discharge hole to form a one-way valve structure.
The tank bottom of mounting groove is provided with the blown down tank, the blown down tank is located under the discharge gate, the blown down tank with be provided with the discharge channel between the discharge gate, the discharge channel with the blown down tank with the discharge gate all communicates.
A cross bar for supporting the opening of the diaphragm capsule is arranged in the accommodating cavity of the main shell so as to facilitate the assembly of the diaphragm capsule.
A sealing ring is arranged between the main shell and the top shell, and a leakage-proof gasket is arranged between the main body of the power source and the main shell.
And a second wear-resistant ring is arranged between the eccentric rod and the hollow connecting rod.
After the technical scheme is adopted, the invention has the beneficial effects that: when the diaphragm pump is used, the eccentric wheel and the eccentric rod are driven to rotate by the power source, so that the eccentric rod drives the hollow connecting rod to move, and the hollow connecting rod is assembled with the buckling part on the side wall of the diaphragm capsule, so that the diaphragm capsule is driven to deform when the hollow connecting rod moves, and the volume of the diaphragm capsule is increased or reduced; when the diaphragm bag is compressed under the driving of the hollow connecting rod, the material in the diaphragm bag extrudes the second valve plate through the discharge hole arranged on the top plate, so that the second valve plate is opened, at the moment, the material enters the discharge channel through the discharge hole, enters the discharge nozzle through the discharge channel, and is finally discharged by the discharge nozzle, and the discharge of the material is realized; when the diaphragm bag is expanded under the driving of the hollow connecting rod, the pressure in the diaphragm bag is smaller than the pressure in the accommodating cavity, the material entering the accommodating cavity through the feeding hole extrudes the first valve plate through the feeding hole and the hollow part of the hollow connecting rod under the action of the pressure, at the moment, the first valve plate is opened, and the material enters the diaphragm bag through the feeding hole, so that the feeding of the diaphragm bag is realized; the diaphragm pump that sets up like this is through the fixed assembly of hollow connecting rod and the lateral wall dead lever of diaphragm bag to carry out the push-and-pull through the lateral wall of hollow rod to the diaphragm bag, effectively avoided the diaphragm bag because by the problem of being collapsed unable work, simultaneously, through the hollow connecting rod with the leading-in diaphragm bag of material, avoided feed inlet mouth and ejection of compact all to set up in the opening part of diaphragm bag, and lead to the problem that diaphragm pump anti negative pressure ability is weak, make this diaphragm pump have diaphragm bag job stabilization, the negative pressure bearing ability is strong, the business turn over volume uniformity is high, the leakproofness is good, the noise is little, long service life's advantage.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic overall structure of the first embodiment;
FIG. 2 is an exploded view of the first embodiment;
FIG. 3 is a top view corresponding to FIG. 1;
FIG. 4 is a cross-sectional view of the first embodiment taken along section line A-A in FIG. 3;
FIG. 5 is a top view of a second embodiment;
FIG. 6 is a cross-sectional view of the second embodiment taken along section line B-B in FIG. 5;
fig. 7 is a schematic diagram of an installation structure of the hollow connecting rod and the first valve plate in the second embodiment.
Reference numerals illustrate: 1. a main housing; 2. a top shell; 3. a diaphragm capsule; 4. a discharge plate; 5. a drive assembly; 6. a receiving chamber; 7. a feed nozzle; 8. a discharge nozzle; 9. a discharge port; 10. a fastening bolt; 11. a cross bar; 12. a mounting groove; 13. a second valve plate; 14. a discharge chute; 15. a discharge channel; 16. a seal ring; 17. a leak-proof gasket; 18. a power source; 19. an eccentric wheel; 20. an eccentric rod; 21. a hollow connecting rod; 22. a fastening part; 23. a feed inlet; 24. a feed hole; 25. a mounting part; 26. a first valve plate; 27. wear-resisting circle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and those skilled in the art can make modifications to the present embodiment which do not contribute to the invention as required after reading the present specification, but are protected by the patent laws within the scope of the appended claims.
This embodiment relates to a diaphragm pump having a function of preventing a diaphragm capsule from collapsing, as shown in fig. 1 and 2, including: a main shell 1, a top shell 2, a diaphragm capsule 3, a discharge plate 4 and a driving assembly 5.
As shown in fig. 1 and 2, a containing cavity 6 is arranged inside the main shell 1, and the containing cavity 6 can be used for containing materials. The top case 2 is provided on the main case 1 and fixedly assembled with the main case 1. The top shell 2 is provided with a feeding nozzle 7 and a discharging hole 9, and the feeding nozzle 7 is used for guiding materials into the accommodating cavity 6. The diaphragm capsule 3 is arranged in the accommodating cavity 6 and is positioned at one side of the discharge hole 9, and the diaphragm capsule 3 is assembled with the discharge hole 9 in a sealing way. The diaphragm capsule 3 is deformable to change its internal volume, the diaphragm capsule 3 being adapted to contain the material contained in the receiving chamber 6 and to expel the material from the outlet 9 when the volume is reduced. The discharging plate 4 is assembled on one side of the top shell 2 far away from the main shell 1 in a sealing way and is positioned at one end of the discharging hole 9. The discharge plate 4 is used for guiding materials discharged from the discharge hole 9 out of the diaphragm pump, and a discharge nozzle 8 is arranged on the discharge plate 4. The driving assembly 5 is partially disposed outside the main casing 1 and fixedly assembled with the main casing 1, and partially disposed inside the accommodating chamber 6 and assembled with the diaphragm capsule 3. The driving component 5 is used for guiding the material in the containing cavity 6 into the diaphragm capsule 3 and driving the diaphragm capsule 3 to deform so as to change the volume.
As shown in fig. 1 and 2, in the present embodiment, the main casing 1 and the top casing 2 are fixedly assembled by four fastening bolts 10. A cross bar 11 is arranged in the accommodating cavity 6 of the main shell 1, and the cross bar 11 is used for supporting and fixing the opening of the diaphragm capsule 3 to facilitate the assembly of the diaphragm capsule 3. The diaphragm capsule 3 is made of rubber. The top shell 2 is provided with a mounting groove 12, the discharging plate 4 is mounted in the mounting groove 12, and the discharging hole 9 is positioned in the mounting groove 12. The tank bottom of the mounting groove 12 is provided with a second valve plate 13, the second valve plate 13 is used for controlling the discharge hole 9 to be opened or closed, and the second valve plate 13 and the discharge hole 9 are matched to form a one-way valve structure. The tank bottom of mounting groove 12 is provided with blown down tank 14, and blown down tank 14 is located under the discharge gate 8, is provided with discharge channel 15 between blown down tank 14 and the discharge gate 9, and discharge channel 15 all communicates with blown down tank 14 and discharge gate 9. In order to ensure tightness between the main casing 1 and the top casing 2, a sealing ring 16 is provided between the main casing 1 and the top casing 2. In order to ensure tightness between the main body of the power source 18 and the main casing 1, a leakage-proof gasket 17 is provided between the main body of the power source 18 and the main casing 1. The sealing ring 16 and the leakage-proof gasket 17 are both rubber parts.
As shown in fig. 1 to 4, the driving assembly 5 includes: a power source 18, an eccentric 19, an eccentric rod 20 and a hollow connecting rod 21. The main body of the power source 18 is fixedly arranged on one side of the main shell 1 far away from the feed nozzle 7 through the fastening bolt 10, and the power output shaft of the power source 18 penetrates through the main shell 1 and is assembled with the main shell 1 in a sealing way. The eccentric wheel 19 is sleeved on the power output shaft of the power source 18 and can synchronously rotate along with the power output shaft. An eccentric rod 20 is arranged on the eccentric wheel 19 on the side far away from the power source 18 in a protruding way, and the eccentric rod 20 is used for being assembled with a hollow connecting rod 21. One end of the hollow connecting rod 21 is sleeved on the eccentric rod 20 and can rotate relative to the eccentric rod 20. The other end of the hollow connecting rod 21 is fixedly assembled with the diaphragm capsule 3, and the hollow connecting rod 21 pulls the diaphragm capsule 3 to deform under the drive of the eccentric rod 20 and guides the materials in the accommodating cavity 6 into the diaphragm capsule 3 in the deformation process.
As shown in fig. 1 to 4, in this embodiment, a fastening portion 22 is provided on the position of the diaphragm capsule 3 assembled with the hollow connecting rod 21, a feeding hole 24 is provided on the side of the hollow connecting rod 21 close to the eccentric rod 20, a discharging port is provided on the side of the hollow connecting rod 21 close to the diaphragm capsule 3 and is in butt joint with the feeding hole 23, the feeding hole 24 is communicated with the discharging port through a hollow portion of the hollow connecting rod 21, a mounting portion 25 is provided on the side of the connecting rod away from the eccentric rod 20, and the mounting portion 25 is in clamping connection with the fastening portion 22. The discharge port, the feed hole 24, the accommodating cavity 6 and the feed nozzle 7 are communicated, and when the diaphragm pump is used for pumping materials, the materials in the accommodating cavity 6 synchronously enter the diaphragm capsule 3.
A first valve plate 26 for controlling the opening or closing of the discharge port is arranged between the discharge port and the discharge port 9, and the first valve plate 26 and the discharge end of the hollow connecting rod 21 are matched to form a one-way valve structure. In order to ensure the service life of the eccentric link and the hollow link 21, a wear ring 27 is provided between the eccentric rod 20 and the hollow link 21. The power source 18 is an electric motor. In other embodiments, power source 18 is an electric motor.
The working principle of the present embodiment is approximately as follows: when the diaphragm pump is used, the eccentric wheel 19 and the eccentric rod 20 are driven to rotate by the power source 18, so that the eccentric rod 20 drives the hollow connecting rod 21 to move, and the hollow connecting rod 21 is assembled with the buckling part 22 on the side wall of the diaphragm capsule 3, so that the diaphragm capsule 3 is driven to deform when the hollow connecting rod 21 moves, and the volume of the diaphragm capsule 3 is increased or reduced; when the diaphragm bag 3 is compressed under the driving of the hollow connecting rod 21, the material in the diaphragm bag 3 extrudes the second valve plate 13 through the discharge hole 9 arranged on the top plate, so that the second valve plate 13 is opened, at the moment, the material enters the discharge channel 15 through the discharge hole 9, enters the discharge nozzle 8 through the discharge channel 15, and is finally discharged by the discharge nozzle 8, and the discharge of the material is realized; when the diaphragm capsule 3 is expanded under the driving of the hollow connecting rod 21, the pressure in the diaphragm capsule 3 is smaller than the pressure in the accommodating cavity 6, and the material entering the accommodating cavity 6 through the feeding hole 23 extrudes the first valve plate 26 through the feeding hole 24 and the hollow part of the hollow connecting rod 21 under the action of the pressure, at the moment, the first valve plate 26 is opened, and the material enters the diaphragm capsule 3 through the feeding hole 23, so that the feeding of the diaphragm capsule 3 is realized; the diaphragm pump that sets up like this is through hollow connecting rod 21 and the lateral wall dead lever fixed mounting of diaphragm bag 3 to push-and-pull to the lateral wall of diaphragm bag 3 through hollow rod, effectively avoided diaphragm bag 3 because by the problem of being shrunken unable work, simultaneously, through hollow connecting rod 21 with the leading-in diaphragm bag 3 of material, avoided feed inlet 7 and ejection of compact all to set up in the opening part of diaphragm bag 3, and lead to the problem that diaphragm pump negative pressure resistance ability is weak, make this diaphragm pump have diaphragm bag 3 job stabilization, the negative pressure bearing ability is strong, advance out volume uniformity height, the leakproofness is good, the noise is little, long service life's advantage.
Embodiment two: the difference between this embodiment and the first embodiment is mainly that, as shown in fig. 5 to 7, in this embodiment, the first valve plate 26 is mounted on the mounting portion 25 of the hollow link 21, and the first valve plate 26 is disposed at the discharge port on the mounting portion 25. The first valve plate 26 is used for controlling the opening or closing of the discharge port. Other structures are unchanged.
The above description is only for the purpose of illustrating the technical solution of the present invention and not for the purpose of limiting the same, and other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present invention without departing from the spirit and scope of the technical solution of the present invention.

Claims (8)

1. A diaphragm pump having a function of preventing a diaphragm capsule from collapsing, comprising:
a main casing (1) with a containing cavity (6) inside, wherein the containing cavity (6) can be used for containing materials;
the top shell (2) is arranged on the main shell (1) and fixedly assembled with the main shell (1), a feeding nozzle (7) and a discharging hole (9) are arranged on the top shell (2), and the feeding nozzle (7) is used for guiding materials into the accommodating cavity (6);
the diaphragm bag (3) is arranged in the accommodating cavity (6) and positioned at one side of the discharge hole (9), is hermetically assembled with the discharge hole (9) and can deform to change the internal volume, is used for accommodating materials in the accommodating cavity (6) and discharging the materials from the discharge hole (9) when the volume is reduced;
the discharging plate (4) is hermetically assembled on the top shell (2), is far away from one side of the main shell (1) and is positioned at one end of the discharging hole (9), and is used for guiding materials discharged from the discharging hole (9) out of the diaphragm pump, and a discharging nozzle (8) is arranged on the discharging plate (4);
a driving component (5) which is partially arranged outside the main shell (1) and fixedly assembled with the main shell (1), is partially arranged inside the accommodating cavity (6) and assembled with the diaphragm capsule (3), and is used for guiding the materials in the accommodating cavity (6) into the diaphragm capsule (3) and driving the diaphragm capsule (3) to deform so as to change the volume;
the drive assembly (5) comprises:
a power source (18) which is fixedly arranged on one side, far away from the feeding nozzle (7), of the main shell (1) through a fastening bolt (10) and is assembled with the main shell (1) in a sealing way, wherein a power output shaft penetrates through the main shell (1);
an eccentric wheel (19) sleeved on a power output shaft of the power source (18) and capable of synchronously rotating along with the power output shaft, wherein an eccentric rod (20) is arranged on one side, away from the power source (18), of the eccentric wheel (19) in a protruding manner; the method comprises the steps of,
the hollow connecting rod (21) is sleeved on the eccentric rod (20) at one end, can rotate relative to the eccentric rod (20), is fixedly assembled with the diaphragm bag (3) at the other end, pulls the diaphragm bag (3) to deform under the drive of the eccentric rod (20), and guides the material in the accommodating cavity (6) into the diaphragm bag (3) in the deformation process;
a clamping part (22) is arranged at the position, assembled with the hollow connecting rod (21), of the diaphragm bag (3), a feeding hole (24) is arranged on one side, close to the eccentric rod (20), of the hollow connecting rod (21), a discharging port in butt joint with the feeding hole (23) is arranged on one side, close to the diaphragm bag (3), of the hollow connecting rod (21), the feeding hole (24) is communicated with the discharging port through a hollow part of the hollow connecting rod (21), a mounting part (25) is arranged on one side, far away from the eccentric rod (20), of the connecting rod, and the mounting part (25) is in clamping connection with the clamping part (22);
the discharge port and the feed hole (24) are communicated with the accommodating cavity (6) and the feed nozzle (7), and when the diaphragm pump is used for pumping materials, the materials in the accommodating cavity (6) synchronously enter the diaphragm capsule (3).
2. The diaphragm pump with the function of preventing diaphragm capsule from being collapsed according to claim 1, wherein a first valve plate (26) for controlling the opening or closing of the discharge port is arranged between the discharge port and the feed inlet (23), and the first valve plate (26) and the mounting part of the hollow connecting rod (21) are matched to form a one-way valve structure.
3. The diaphragm pump with the function of preventing the diaphragm capsule from being collapsed according to claim 2, wherein the diaphragm capsule (3) is made of rubber or flexible plastic, and the fastening portion is integrally formed with the diaphragm capsule (3).
4. A diaphragm pump with a function of preventing diaphragm capsule collapse according to any one of claims 1-3, characterized in that a mounting groove (12) is provided on the top casing (2), the discharge nozzle (8) is mounted in the mounting groove (12), the discharge port (9) is located in the mounting groove (12), a second valve plate (13) for controlling the discharge port (9) to open or close is provided at the bottom of the mounting groove (12), and the second valve plate (13) and the discharge port (9) cooperate to form a one-way valve structure.
5. The diaphragm pump with the function of preventing diaphragm capsule collapse according to claim 4, wherein a discharge chute (14) is arranged at the bottom of the mounting chute (12), the discharge chute (14) is positioned right below the discharge nozzle (8), a discharge channel (15) is arranged between the discharge chute (14) and the discharge port (9), and the discharge channel (15) is communicated with both the discharge chute (14) and the discharge port (9).
6. Diaphragm pump with a function of preventing collapse of diaphragm capsule according to claim 5, characterized in that a cross bar (11) is provided in the housing chamber (6) of the main housing (1) for supporting the opening of the diaphragm capsule (3) for facilitating the assembly of the diaphragm capsule (3).
7. The diaphragm pump with the function of preventing the collapse of the diaphragm capsule according to claim 1, characterized in that a sealing ring (16) is arranged between the main housing (1) and the top housing (2), and a leakage-proof gasket (17) is arranged between the main body of the power source (18) and the main housing (1).
8. Diaphragm pump with a function of preventing collapse of diaphragm capsule according to claim 7, characterized in that a wear ring (27) is arranged between the eccentric rod (20) and the hollow connecting rod (21).
CN201910310547.4A 2019-04-17 2019-04-17 Diaphragm pump with function of preventing diaphragm capsule from being collapsed Active CN109944778B (en)

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CN201910310547.4A CN109944778B (en) 2019-04-17 2019-04-17 Diaphragm pump with function of preventing diaphragm capsule from being collapsed

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Application Number Priority Date Filing Date Title
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CN109944778B true CN109944778B (en) 2024-03-01

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6007307A (en) * 1996-11-26 1999-12-28 Fujikin Incorporated Air pump with noise reduction partitions in the housing
CN104343667A (en) * 2013-08-02 2015-02-11 深圳市基泰智能设备有限公司 Diaphragm pump
CN204610209U (en) * 2015-02-03 2015-09-02 厦门坤锦电子科技有限公司 A kind of eccentric diaphragm pump
CN107299892A (en) * 2017-06-14 2017-10-27 深圳市时光电子有限公司 Miniature diaphragm vavuum pump
CN109139439A (en) * 2018-10-24 2019-01-04 任修勇 A kind of fluid diaphragm pump
CN209943054U (en) * 2019-04-17 2020-01-14 深圳市博威克斯科技有限公司 Diaphragm pump with function of preventing diaphragm capsule from being shriveled

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102817819B (en) * 2011-06-10 2016-06-08 德昌电机(深圳)有限公司 Micro air pump

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6007307A (en) * 1996-11-26 1999-12-28 Fujikin Incorporated Air pump with noise reduction partitions in the housing
CN104343667A (en) * 2013-08-02 2015-02-11 深圳市基泰智能设备有限公司 Diaphragm pump
CN204610209U (en) * 2015-02-03 2015-09-02 厦门坤锦电子科技有限公司 A kind of eccentric diaphragm pump
CN107299892A (en) * 2017-06-14 2017-10-27 深圳市时光电子有限公司 Miniature diaphragm vavuum pump
CN109139439A (en) * 2018-10-24 2019-01-04 任修勇 A kind of fluid diaphragm pump
CN209943054U (en) * 2019-04-17 2020-01-14 深圳市博威克斯科技有限公司 Diaphragm pump with function of preventing diaphragm capsule from being shriveled

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