CN113153704A - Leather cup structure and transmission mechanism of diaphragm pump - Google Patents
Leather cup structure and transmission mechanism of diaphragm pump Download PDFInfo
- Publication number
- CN113153704A CN113153704A CN202110455973.4A CN202110455973A CN113153704A CN 113153704 A CN113153704 A CN 113153704A CN 202110455973 A CN202110455973 A CN 202110455973A CN 113153704 A CN113153704 A CN 113153704A
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- China
- Prior art keywords
- diaphragm
- cup structure
- leather cup
- mounting
- main body
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/0009—Special features
- F04B43/0054—Special features particularities of the flexible members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/06—Venting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a leather cup structure and a transmission mechanism of a diaphragm pump, wherein the leather cup structure comprises: the leather cup structure comprises a main body connecting part, a diaphragm part connected to the main body connecting part and a fixing part connected to the periphery of the diaphragm part, wherein the main body connecting part is located in the middle of the leather cup structure and is provided with a convex mounting part, and a mounting cavity is arranged in the mounting part; the diaphragm portion includes a plurality of diaphragms connected to each other, wherein the diaphragm thickness is thinner as it gets closer to the body connection portion. The leather cup has the advantages that the leather cup has good pulling performance and good performance of being not easy to deform under the influence of external temperature by designing the structural composition of the leather cup structure. The transmission mechanism of the diaphragm pump provided with the leather cup structure has the advantages that the power consumption is greatly reduced, the air tightness between the leather cup structure and the air inlet and outlet pipeline is improved, and the service life is greatly prolonged. The leather cup structure and the transmission mechanism of the diaphragm pump with the leather cup structure are ingenious in design, convenient to manufacture and worthy of great popularization and application.
Description
Technical Field
The invention relates to the technical field of diaphragm pumps, in particular to a leather cup structure and a transmission mechanism of a diaphragm pump.
Background
The diaphragm pump mainly comprises a transmission part and a diaphragm cylinder head. The transmission part is a driving mechanism for driving the diaphragm to swing back and forth, and the transmission form of the driving mechanism is mechanical transmission, hydraulic transmission, pneumatic transmission and the like. When the diaphragm pump works, the transmission mechanism drives the plunger piston to do reciprocating motion under the driving of the motor, so that the diaphragm can be blown back and forth. The diaphragm part inside the existing diaphragm pump is generally uniform in thickness, when the thickness of the existing diaphragm pump is too large, the transmission mechanism is too large in load, and after the thickness of the existing diaphragm pump is reduced, the existing diaphragm pump is easy to deform, so that the sealing performance is poor, and the transmission effect is weakened. Therefore, how to design a diaphragm structure which does not cause excessive load of the transmission mechanism and is not easy to deform is a technical problem which is researched and solved by the technical personnel in the field.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a leather cup structure, wherein a plurality of mutually connected membranes are arranged on a main body connecting part of the leather cup structure, the membranes closer to the main body connecting part are thinner, the membranes closer to the main body connecting part play a role in reducing pulling resistance, more membranes far away from the main body connecting part play a role in fixing and supporting, and the whole membrane part is not easy to deform.
The invention also provides a transmission mechanism of the diaphragm pump, the transmission mechanism is provided with the leather cup structure, the transmission structure is matched with the leather cup structure through the arrangement of the eccentric wheel, the rocker, the bearing and the like, the power consumption of the transmission mechanism is greatly reduced, and the fixing part of the leather cup structure is matched and fixed on the mounting box body, so that the fixing and supporting effect is good, the deformation is not easy, and the air tightness of the transmission mechanism is correspondingly improved.
The technical scheme of the invention is as follows: the invention provides a leather cup structure, comprising: the leather cup structure comprises a main body connecting part, a diaphragm part connected to the main body connecting part and a fixing part connected to the periphery of the diaphragm part, wherein the main body connecting part is located in the middle of the leather cup structure and is provided with a convex mounting part, and a mounting cavity is arranged in the mounting part; the diaphragm portion includes a plurality of diaphragms connected to each other, wherein the diaphragm thickness is thinner as it gets closer to the body connection portion.
Furthermore, a slope is arranged at the joint of two adjacent diaphragms, and the slope enables the diaphragm part to be transited from the diaphragm with the thinner thickness to the diaphragm with the thicker thickness.
Further, the diaphragm portion includes: the diaphragm comprises a first diaphragm and a second diaphragm, wherein the first diaphragm and the second diaphragm are both circular rings, and the thickness of the second diaphragm is larger than that of the first diaphragm.
Further, the thickness of the first membrane is 0.18-0.22mm, and the thickness of the second membrane is 0.38-0.42 mm.
Furthermore, the fixing part is of a circle of structure with an L-shaped cross section, and the fixing part is matched and fixed in an external installation box body.
Further, the main body connecting part, the diaphragm part and the fixing part are of an integrally formed structure.
Furthermore, the leather cup structure is made of ethylene propylene diene monomer.
The invention also provides a transmission mechanism of the diaphragm pump, which comprises an installation box body and a transmission assembly arranged in the installation box body, wherein the transmission assembly comprises: the leather cup structure comprises a rocker, a bearing, an eccentric wheel and the leather cup structure, wherein one end of the rocker is annular, the bearing is sleeved in the annular, and the eccentric wheel is arranged on an inner ring of the bearing; a first through hole is formed in one side face of the mounting box body, and a driving shaft of an external driving device is connected to the eccentric wheel through the first through hole to drive the eccentric wheel to rotate; the other end of the rocker is connected to the main body connecting part of the leather cup structure; the top surface of the mounting box body is provided with a second through hole, the leather cup structure is matched with the second through hole, and the fixing part of the leather cup structure is fixed on the edge of the second through hole.
Furthermore, the section of the mounting cavity of the leather cup structure is of a T-shaped structure with a large top and a small bottom, a convex mounting block is arranged at the other end of the rocker, the mounting block is matched on the transverse part of the T-shaped structure, and the rocker is matched on the vertical part of the T-shaped structure.
Furthermore, a waterproof vent valve is further arranged on the mounting box body.
By adopting the scheme, the invention provides the leather cup structure and the transmission mechanism of the diaphragm pump, solves the problems that the diaphragm structure in the diaphragm pump is too thick, has large load and is too thin and easy to deform at high temperature, and has low power consumption, good sealing performance and greatly improved working efficiency.
Drawings
Fig. 1 is a schematic perspective view of the cup structure of the present invention.
Fig. 2 is a schematic cross-sectional view of the cup structure of the present invention.
Fig. 3 is a schematic sectional view of the driving mechanism of the diaphragm pump of the present invention.
Reference numerals:
10-main body connecting part 20-diaphragm part 30-fixing part 11-mounting part
12-mounting cavity 21-first diaphragm 22-second diaphragm 23-ramp
40-mounting box 51-rocker 52-bearing
53-eccentric 54-drive shaft 511-mounting block
60-waterproof ventilation valve 61-waterproof ventilation membrane
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
As shown in fig. 1-2, the present invention is a leather cup structure, which includes a main body connecting portion 10, a diaphragm portion 20 and a fixing portion 30, wherein the main body connecting portion 10 is located at a central position of the leather cup structure, the diaphragm portion 20 is disposed around the main body connecting portion 10 and connected to the main body connecting portion 10, and the fixing portion 30 is disposed at an outer periphery of the diaphragm portion 20 and connected to the diaphragm portion 20. The body connecting portion 10 has a protruding mounting portion 11, which is "bowl-shaped". And a mounting cavity 12 is arranged in the mounting part 11 and is used for being connected with a transmission mechanism. The diaphragm portion 20 comprises a first diaphragm 21 and a second diaphragm 22 which are connected with each other, the first diaphragm 21 and the second diaphragm 22 are both in a circular ring shape, an inner ring of the first diaphragm 21 is connected with the main body connecting portion 10, an outer ring of the first diaphragm 21 is connected with an inner ring of the second diaphragm 22, an outer ring of the second diaphragm 22 is connected with the fixing portion 30, and the thickness of the second diaphragm 22 is larger than that of the first diaphragm 21. Preferably, the applicant verifies the thickness parameter of the diaphragm part through a large number of tests on the cup structure to obtain an optimal thickness combination of the first diaphragm 21 and the second diaphragm 22, wherein the thickness of the first diaphragm 21 is 0.18-0.22mm, the thickness of the second diaphragm 22 is 0.38-0.42mm, the first diaphragm 21 belongs to a thin-wall position, the pulling resistance is small, the work output of the transmission mechanism is correspondingly reduced, and the power consumption is reduced. The second diaphragm 22 plays a role in fixing and supporting, is not easy to deform at high temperature and low temperature, reduces the probability of air leakage, and ensures the air tightness of the leather cup structure. Preferably, a slope 23 is arranged at the joint of the first diaphragm 21 and the second diaphragm 22, and the slope 23 enables the diaphragm portion 20 to be excessive from the thickness of the first diaphragm 21 to the thickness of the second diaphragm 22, so that the overall strength of the diaphragm portion 20 is enhanced, and the situation that the joint of the two diaphragms is easy to break due to thickness change is avoided. In addition, the fixing portion 30 is a round structure with an L-shaped cross section, and the fixing portion 30 is matched with and fixed in an external mounting box body to play a role in fixing a leather cup structure. The L-shaped edge design strengthens the fixation between the leather cup structure and the mounting box body.
It should be noted that the main body connecting portion 10, the diaphragm portion 20 and the fixing portion 30 are integrally formed, which avoids the complexity of connecting each portion and prolongs the service life of the device. The material is preferably Ethylene Propylene Diene Monomer (EPDM) material, which can normally work at-10-60 ℃ and well meet the working environment of a leather cup structure and a diaphragm pump.
As shown in fig. 3, the present invention further provides a driving mechanism of a diaphragm pump, which is characterized by comprising a mounting box 40, and a driving assembly disposed in the mounting box 40, wherein the driving assembly comprises: a rocker 51, a bearing 52, an eccentric wheel 53 and the leather cup structure. One end of the rocker 51 is annular, the bearing 52 is sleeved in the annular, and the eccentric wheel 53 is mounted on the inner ring of the bearing 52; a first through hole (not shown) is formed in one side surface of the mounting box 40, and a driving shaft 54 of an external driving device is connected to the eccentric wheel 53 through the first through hole to drive the eccentric wheel 53 to rotate; the other end of the rocker 51 is connected to the main body connecting part 10 of the leather cup structure, and drives the leather cup structure to move up and down. Be equipped with the second through-hole on the top surface of installation box 40, the leather cup structure adaptation in on the second through-hole, the fixed part 30 and the second diaphragm 22 of leather cup structure all are fixed in on the edge of second through-hole. When the eccentric wheel 53 is driven by the driving shaft 54 to rotate in the bearing 52, due to the eccentric structure of the eccentric wheel 53, the rocker 51 pushes or pulls the body connecting part 10 of the cup structure in the vertical direction, so that the diaphragm part 20 of the cup structure moves up and down, and the air inlet or outlet operation of the diaphragm pump is realized.
Preferably, the mounting cavity 12 of the leather cup structure is composed of two cylinders with different diameters, the cross section of the mounting cavity is in a T-shaped structure with a wide top and a narrow bottom, the other end of the rocker 51 is provided with a convex mounting block 511, the mounting block 511 is adapted to the cylinder at the transverse part of the T-shaped structure, the rod part of the rocker 51 is adapted to the cylinder at the vertical part of the T-shaped structure, the mounting block 511 of the rocker 51 is blocked by the mounting cavity part with the narrow bottom in the connection mode, the stability between the mounting block 511 and the mounting block is good, and the situation that the mounting block 511 is separated cannot occur.
More preferably, still be equipped with waterproof breather valve 60 on the installation box 40, waterproof breather valve 60 can be common breather valve among the prior art, install waterproof ventilative diaphragm 61 on the breather valve, waterproof ventilative diaphragm 61 can realize the gas permeability in the installation box, has realized the intercommunication of drive assembly with outside atmospheric, has avoided the stifled commentaries on classics problem of breathing out that the interior air expend with heat and contract with cold of installation box 40 leads to, and the entering of isolated outside steam has simultaneously been avoided steam to get into the aggravation of drive assembly work load in the installation box, wherein, waterproof ventilative diaphragm 61 can be TPU film or polytetrafluoroethylene film etc..
In the description of the present invention, it is to be understood that the terms "top," "bottom," "horizontal," "vertical," and the like are used in an orientation based on the orientation or positional relationship shown in the drawings of the present invention, and are used merely for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. In the description of the present invention, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
In conclusion, the leather cup has the advantages that the leather cup has good pulling performance and is not easy to deform under the influence of external temperature by designing the structural composition of the leather cup structure. The transmission mechanism of the diaphragm pump provided with the leather cup structure has the advantages that the power consumption is greatly reduced, the air tightness between the leather cup structure and the air inlet and outlet pipeline is improved, and the service life is greatly prolonged. The leather cup structure and the transmission mechanism of the diaphragm pump with the leather cup structure are ingenious in design, convenient to manufacture and worthy of great popularization and application.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A leather cup structure, comprising: the leather cup structure comprises a main body connecting part, a diaphragm part connected to the main body connecting part and a fixing part connected to the periphery of the diaphragm part, wherein the main body connecting part is located in the middle of the leather cup structure and is provided with a convex mounting part, and a mounting cavity is arranged in the mounting part; the diaphragm portion includes a plurality of diaphragms connected to each other, wherein the diaphragm thickness is thinner as it gets closer to the body connection portion.
2. The cup structure of claim 1, wherein a slope is provided at the junction of two adjacent diaphragms, said slope transitioning said diaphragm portion from a thinner diaphragm to a thicker diaphragm.
3. The cup structure of claim 2, wherein said diaphragm portion comprises: the diaphragm comprises a first diaphragm and a second diaphragm, wherein the first diaphragm and the second diaphragm are both circular rings, and the thickness of the second diaphragm is larger than that of the first diaphragm.
4. The cup structure of claim 2, wherein said first diaphragm has a thickness of 0.18-0.22mm and said second diaphragm has a thickness of 0.38-0.42 mm.
5. The cup structure of claim 1, wherein said retainer portion is a ring of structure with an "L" shaped cross-section, said retainer portion being adapted and secured to an external mounting housing.
6. The cup structure of any one of claims 1-5, wherein said body attachment portion, said diaphragm portion and said retainer portion are integrally formed.
7. The cup structure of claim 6, wherein the cup structure is made of ethylene propylene diene monomer.
8. The utility model provides a drive mechanism of diaphragm pump which characterized in that, includes an installation box, and locates drive assembly in the installation box, drive assembly includes: the leather cup structure comprises a rocker, a bearing, an eccentric wheel and the leather cup structure as claimed in any one of claims 1 to 7, wherein one end of the rocker is annular, the bearing is sleeved in the annular, and the eccentric wheel is arranged on an inner ring of the bearing; a first through hole is formed in one side face of the mounting box body, and a driving shaft of an external driving device is connected to the eccentric wheel through the first through hole to drive the eccentric wheel to rotate; the other end of the rocker is connected to the main body connecting part of the leather cup structure; the top surface of the mounting box body is provided with a second through hole, the leather cup structure is matched with the second through hole, and the fixing part of the leather cup structure is fixed on the edge of the second through hole.
9. The diaphragm pump transmission mechanism according to claim 8, wherein the cross section of the mounting cavity of the cup structure is a T-shaped structure with a wide top and a narrow bottom, the other end of the rocker is provided with a protruding mounting block, the mounting block is adapted to the transverse part of the T-shaped structure, and the rod part of the rocker is adapted to the vertical part of the T-shaped structure.
10. The diaphragm pump drive mechanism of claim 8, wherein a waterproof vent valve is further provided on the mounting case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110455973.4A CN113153704A (en) | 2021-04-26 | 2021-04-26 | Leather cup structure and transmission mechanism of diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110455973.4A CN113153704A (en) | 2021-04-26 | 2021-04-26 | Leather cup structure and transmission mechanism of diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113153704A true CN113153704A (en) | 2021-07-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110455973.4A Pending CN113153704A (en) | 2021-04-26 | 2021-04-26 | Leather cup structure and transmission mechanism of diaphragm pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113153704A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0818627A2 (en) * | 1996-07-09 | 1998-01-14 | Westinghouse Air Brake Company | Inert plastic coated flexible type diaphragm for application in a sanitary type pump |
| EP0898076A1 (en) * | 1997-08-19 | 1999-02-24 | Westinghouse Air Brake Company | Abrasion resistant plastic bonded to a diaphragm |
| CN1288343C (en) * | 2001-12-05 | 2006-12-06 | 山田株式会社 | Film type pumping device |
| CN201221463Y (en) * | 2008-07-15 | 2009-04-15 | 卢连苗 | Diaphragm sheet for diaphragm pump |
| CN208203521U (en) * | 2018-04-03 | 2018-12-07 | 贝德凯利电气（深圳）有限公司 | A kind of diaphragm pump being provided with shock-damping structure |
| CN208474082U (en) * | 2018-04-03 | 2019-02-05 | 贝德凯利电气（深圳）有限公司 | A kind of diaphragm pump |
| CN112135971A (en) * | 2019-07-29 | 2020-12-25 | 深圳市大疆创新科技有限公司 | Diaphragm pump |
-
2021
- 2021-04-26 CN CN202110455973.4A patent/CN113153704A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0818627A2 (en) * | 1996-07-09 | 1998-01-14 | Westinghouse Air Brake Company | Inert plastic coated flexible type diaphragm for application in a sanitary type pump |
| EP0898076A1 (en) * | 1997-08-19 | 1999-02-24 | Westinghouse Air Brake Company | Abrasion resistant plastic bonded to a diaphragm |
| CN1288343C (en) * | 2001-12-05 | 2006-12-06 | 山田株式会社 | Film type pumping device |
| CN201221463Y (en) * | 2008-07-15 | 2009-04-15 | 卢连苗 | Diaphragm sheet for diaphragm pump |
| CN208203521U (en) * | 2018-04-03 | 2018-12-07 | 贝德凯利电气（深圳）有限公司 | A kind of diaphragm pump being provided with shock-damping structure |
| CN208474082U (en) * | 2018-04-03 | 2019-02-05 | 贝德凯利电气（深圳）有限公司 | A kind of diaphragm pump |
| CN112135971A (en) * | 2019-07-29 | 2020-12-25 | 深圳市大疆创新科技有限公司 | Diaphragm pump |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210723 |
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| RJ01 | Rejection of invention patent application after publication |