CN220551226U - Diaphragm assembly of pneumatic diaphragm pump - Google Patents
Diaphragm assembly of pneumatic diaphragm pump Download PDFInfo
- Publication number
- CN220551226U CN220551226U CN202322255469.7U CN202322255469U CN220551226U CN 220551226 U CN220551226 U CN 220551226U CN 202322255469 U CN202322255469 U CN 202322255469U CN 220551226 U CN220551226 U CN 220551226U
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- Prior art keywords
- diaphragm
- connecting rod
- assembly
- spring
- pressing block
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- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 abstract description 6
- 230000000704 physical effect Effects 0.000 abstract description 4
- 230000007704 transition Effects 0.000 abstract description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 abstract description 2
- 235000011613 Pinus brutia Nutrition 0.000 abstract description 2
- 241000018646 Pinus brutia Species 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 230000036314 physical performance Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Diaphragms And Bellows (AREA)
- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a diaphragm assembly of a pneumatic diaphragm pump, which comprises a diaphragm, wherein one side of the diaphragm is provided with a threaded connecting rod, the threaded connecting rod is connected with the diaphragm through a fastening mechanism, and the outer ring of the diaphragm is fixedly connected with a convex ring. The beneficial effects are that: through the fastening mechanism on the screw thread connecting rod that sets up, can compress tightly the diaphragm through compressing tightly the subassembly elasticity, still can avoid the diaphragm to be by the transition extrusion and damage when guaranteeing to connect the leakproofness and lead to physical properties to descend, and when the bulge loop that sets up can make diaphragm and pump body assembly, through canceling traditional screw fixation locate mode, avoid the diaphragm pine to take off through the restriction of bulge loop, evenly shared the diaphragm and received the power in the time of deformation, increased the life of diaphragm.
Description
Technical Field
The utility model relates to the technical field of pneumatic diaphragm pumps, in particular to a diaphragm assembly of a pneumatic diaphragm pump.
Background
The pneumatic diaphragm pump is a novel conveying machine and is the most novel pump in China. The compressed gas is used as a power source, various decaying liquids, liquids with particles, high viscosity, easy volatilization, inflammable and extremely toxic liquids can be pumped and absorbed completely, the output shaft drives the internal deformation of the pneumatic diaphragm to squeeze the space in the pump body, the pumping of the liquids is realized, and the service life of the diaphragm directly influences the service life of the pneumatic diaphragm pump.
When the diaphragm in the pneumatic diaphragm pump is installed, the nut is used for compressing and fixing on the transmission push rod, the nut can compress the diaphragm very tightly in order to ensure tightness, the sealing and stability are ensured by the mode of extruding the diaphragm, and when the diaphragm is compressed and deformed, the physical property of the surface can be damaged, the elastic property of the contact area of the diaphragm and the nut can be lost by compressing for a long time, so that the diaphragm is easy to damage in the reciprocating pushing of the push rod, and the tightness is poor.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
The present utility model is directed to a diaphragm assembly for an air operated diaphragm pump, which solves the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a diaphragm subassembly of pneumatic diaphragm pump, includes the diaphragm, one side of diaphragm is provided with the screw thread connecting rod, the screw thread connecting rod pass through fastening mechanism with the diaphragm is connected, the outer lane fixedly connected with bulge loop of diaphragm.
Further, the fastening mechanism comprises a thread sleeve and a pressing component, one side of the thread connecting rod is connected with the thread sleeve, a round groove is formed in one side, close to the diaphragm, of the thread sleeve, and the pressing component is arranged in the round groove.
Further, the compressing assembly comprises a spring and a pressing block, the pressing block is sleeved in the circular groove in a sliding mode, one side of the pressing block is in contact with the diaphragm, and the spring is fixedly connected between the other side of the pressing block and the circular groove.
Further, a stop block is fixedly connected to one side, close to the spring, of the pressing block, and the stop block is used for fixing the spring.
Further, the fastening mechanisms are provided with two groups, and the two groups of fastening mechanisms are respectively arranged on two sides of the diaphragm.
Compared with the prior art, the utility model has the following beneficial effects:
1. through the fastening mechanism on the screw thread connecting rod that sets up, can compress tightly the diaphragm through compressing tightly the subassembly elasticity, still can avoid the diaphragm to be by the transition extrusion and damage when guaranteeing to connect the leakproofness and lead to physical properties to descend, and when the bulge loop that sets up can make diaphragm and pump body assembly, through canceling traditional screw fixation locate mode, avoid the diaphragm pine to take off through the restriction of bulge loop, evenly shared the diaphragm and received the power in the time of deformation, increased the life of diaphragm.
2. Through the tight subassembly that compresses tightly in the fastening mechanism who sets up, when the screw thread cover screw tightening on the threaded connection pole, the briquetting in the tight subassembly is hugged closely on the diaphragm, compresses tightly the diaphragm, and when continuing to screw up the screw thread cover, makes spring deformation through extrusion spring to compress tightly the diaphragm through the continuous elasticity that provides of spring, make the diaphragm can not receive the extrusion of transition when keeping sealing performance and lead to elasticity performance to lose.
3. Through setting up the dog in briquetting one side, can carry out spacingly to the spring, avoid the spring to warp unusually in the time of deformation, and set up the fastening mechanism in the diaphragm both sides, can be when prescribing a limit to the position of diaphragm the surface of the very big degree of avoiding diaphragm receive the pressure wound, make the physical properties of diaphragm keep best state.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic illustration of a diaphragm assembly of an air operated diaphragm pump according to an embodiment of the present utility model;
FIG. 2 is a schematic illustration of the internal structure of a diaphragm assembly of an air operated diaphragm pump according to an embodiment of the present utility model;
fig. 3 is an enlarged view at a in fig. 2.
Reference numerals:
1. a membrane; 2. a threaded connecting rod; 3. a fastening mechanism; 4. a convex ring; 5. a thread sleeve; 6. a compression assembly; 7. a circular groove; 8. a spring; 9. briquetting; 10. and a stop block.
Detailed Description
The utility model is further described below with reference to the accompanying drawings and detailed description:
examples
Referring to fig. 1-3, a diaphragm assembly of a pneumatic diaphragm pump according to an embodiment of the present utility model includes a diaphragm 1, a threaded connecting rod 2 is disposed on one side of the diaphragm 1, the threaded connecting rod 2 is connected with the diaphragm 1 through a fastening mechanism 3, and a convex ring 4 is fixedly connected to an outer ring of the diaphragm 1.
According to the scheme of the utility model, the diaphragm 1 can be elastically compressed through the compression component 6 by the fastening mechanism 3 on the threaded connecting rod 2, the physical performance reduction caused by damage of the diaphragm 1 caused by transitional extrusion can be avoided while the connection tightness is ensured, the diaphragm 1 and the pump body can be assembled by the convex ring 4, the traditional screw fixing and positioning mode is canceled, the diaphragm 1 is prevented from loosening by the limitation of the convex ring 4, the force received by the diaphragm 1 during deformation is evenly shared, and the service life of the diaphragm 1 is prolonged.
Examples
Referring to fig. 2-3, the fastening mechanism 3 includes a threaded sleeve 5 and a pressing component 6, one side of the threaded connecting rod 2 is connected with the threaded sleeve 5, a round groove 7 is formed on one side of the threaded sleeve 5, which is close to the membrane 1, a pressing component 6 is arranged in the round groove 7, the pressing component 6 includes a spring 8 and a pressing block 9, a pressing block 9 is slidably sleeved in the round groove 7, one side of the pressing block 9 contacts with the membrane 1, and a spring 8 is fixedly connected between the other side of the pressing block 9 and the round groove 7.
According to the scheme of the utility model, through the compressing assembly 6 in the fastening mechanism 3, when the threaded sleeve 5 is screwed on the threaded connecting rod 2, the pressing block 9 in the compressing assembly 6 is tightly attached to the diaphragm 1 to compress the diaphragm 1, and when the threaded sleeve 5 is continuously screwed, the spring 8 is deformed by the pressing spring 8, so that the elastic force is continuously provided by the spring 8 to compress the diaphragm 1, and the diaphragm 1 can not be subjected to transitional extrusion to lose the elastic property while the sealing property is maintained.
Examples
Referring to fig. 2-3, a stop block 10 is fixedly connected to one side of the pressing block 9, which is close to the spring 8, and the stop block 10 is used for fixing the spring 8, two groups of fastening mechanisms 3 are provided, and the two groups of fastening mechanisms 3 are respectively provided at two sides of the diaphragm 1.
According to the scheme, the stop block 10 arranged on one side of the pressing block 9 can limit the spring 8, so that abnormal distortion of the spring 8 during deformation is avoided, the fastening mechanisms 3 arranged on two sides of the diaphragm 1 can limit the position of the diaphragm 1, and meanwhile, the surface of the diaphragm 1 is prevented from being crushed to a great extent, so that the physical performance of the diaphragm 1 is kept in an optimal state.
In order to facilitate understanding of the above technical solutions of the present utility model, the following describes in detail the working principle or operation manner of the present utility model in the actual process.
During practical application, the diaphragm 1 is sleeved on the threaded connecting rod 2, then the fastening mechanisms 3 are sleeved at the two ends of the threaded connecting rod 2, the pressing assembly 6 can be close to the diaphragm 1 by rotating the threaded sleeve 5, the pressing block 9 is enabled to be even on the diaphragm 1 by continuously rotating the threaded sleeve 5, pressure is continuously provided through the elasticity of the spring 8, and the pressing block 9 is enabled to be in stable contact with the diaphragm 1.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The diaphragm assembly of the pneumatic diaphragm pump is characterized by comprising a diaphragm (1), wherein one side of the diaphragm (1) is provided with a threaded connecting rod (2), the threaded connecting rod (2) is connected with the diaphragm (1) through a fastening mechanism (3), and the outer ring of the diaphragm (1) is fixedly connected with a convex ring (4);
the fastening mechanism (3) comprises a thread sleeve (5) and a compression assembly (6), one side of the thread connecting rod (2) is connected with the thread sleeve (5), one side of the thread sleeve (5) close to the membrane (1) is provided with a circular groove (7), and the compression assembly (6) is arranged in the circular groove (7);
the pressing assembly (6) comprises a spring (8) and a pressing block (9), the pressing block (9) is sleeved in the round groove (7) in a sliding mode, one side of the pressing block (9) is in contact with the diaphragm (1), and the spring (8) is fixedly connected between the other side of the pressing block (9) and the round groove (7);
one side of the pressing block (9) close to the spring (8) is fixedly connected with a stop block (10), and the stop block (10) is used for fixing the spring (8).
2. A diaphragm assembly for a pneumatic diaphragm pump according to claim 1, characterized in that the fastening means (3) are provided in two groups, and that the two groups of fastening means (3) are provided on both sides of the diaphragm (1), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322255469.7U CN220551226U (en) | 2023-08-22 | 2023-08-22 | Diaphragm assembly of pneumatic diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322255469.7U CN220551226U (en) | 2023-08-22 | 2023-08-22 | Diaphragm assembly of pneumatic diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220551226U true CN220551226U (en) | 2024-03-01 |
Family
ID=90010054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322255469.7U Active CN220551226U (en) | 2023-08-22 | 2023-08-22 | Diaphragm assembly of pneumatic diaphragm pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220551226U (en) |
-
2023
- 2023-08-22 CN CN202322255469.7U patent/CN220551226U/en active Active
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