CN219061950U

CN219061950U - Diaphragm pump that leakproofness is high

Info

Publication number: CN219061950U
Application number: CN202222525773.4U
Authority: CN
Inventors: 杨实杰; 孙悦喜; 杨昕彤; 孙悦凤
Original assignee: Shandong Bojie Pump Technology Co ltd
Current assignee: Shandong Bojie Pump Technology Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-05-23
Anticipated expiration: 2032-09-23

Abstract

The utility model relates to a high-tightness diaphragm pump, which comprises a diaphragm pump main body, wherein a connecting pipe is arranged on the diaphragm pump main body, a first sealing gasket is arranged inside the connecting pipe, a second sealing gasket is arranged on one side of the connecting pipe, a connecting pad is arranged between the first sealing gasket and the second sealing gasket, an annular bulge is arranged on the connecting pad, annular grooves are formed in the first sealing gasket and the second sealing gasket, a rotating rod is arranged on the diaphragm pump main body, a sealing cover is arranged on the rotating rod, the first sealing gasket is arranged on the sealing cover, the first sealing gasket, the second sealing gasket and the connecting gasket are arranged to connect the connecting pipe with the connecting pipe, the sealing performance of the connecting pipe and the connecting pipe is improved by arranging the annular grooves and the annular bulge, and the connecting tightness of the diaphragm pump is improved.

Description

Diaphragm pump that leakproofness is high

Technical Field

The utility model relates to the technical field of diaphragm pumps, in particular to a diaphragm pump with high sealing performance.

Background

The diaphragm pump is also called a control pump, the fluid flow is changed by receiving a control signal output by the adjusting control unit, the diaphragm pump is used for receiving a control signal of a regulator or a computer in the control process, the flow of a medium to be adjusted is changed, and the parameter to be adjusted is maintained in a required range, so that the automation of the production process is achieved, the connecting pipe of the pump body and the water pipe are not tightly sealed, the diaphragm pump is easy to influence, the work of the diaphragm pump is easy to be influenced, the position of the existing connecting pipe is easy to cause a phenomenon that the position of the connecting pipe of the pump body falls into soil or dust, the blocking of the internal structure of the pump body is easy to be caused, the existing diaphragm pump is generally used for directly penetrating a bolt from the outer side of a pump cover to connect the pump cover with the pump body, and the connecting seam positions of the upper side and the lower side of the pump cover and the pump body are easy to loosen and leak.

Disclosure of Invention

(one) solving the technical problems

Aiming at the problems in the prior art, the utility model provides a diaphragm pump with high tightness so as to solve the technical problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a diaphragm pump that leakproofness is high, includes the diaphragm pump main part, the diaphragm pump main part includes the pump body and the pump cover, flange joint between the pump body and the pump cover, be equipped with the connecting pipe in the diaphragm pump main part, be equipped with the water pipe on the connecting pipe, the inside first sealed pad that is equipped with of connecting pipe, water pipe one side is equipped with the second sealed pad, be equipped with the connection pad between first sealed pad and the second sealed pad, be equipped with annular bulge on the connection pad, be provided with on the connecting pipe with annular bulge complex annular groove, be equipped with closing device on the connecting pipe, be equipped with the dwang in the diaphragm pump main part, be equipped with sealed lid on the dwang, be provided with first sealed pad on the sealing cover, through setting up first sealed pad, second sealed pad and connecting pad, be connected between water pipe and the connecting pipe, through setting up annular groove and annular bulge, improved the leakproofness of connecting pipe and connecting pipe, and sealed lid, be convenient for when diaphragm pump main part is not used, make diaphragm pump main part be in sealed state, prevent that diaphragm pump main part from getting into the inside pump body life of debris.

Preferably, the compressing device comprises a compressing sleeve, a compressing rod is arranged on the compressing sleeve in a sliding mode, a limiting disc is arranged on the compressing rod, a compressing spring is arranged between the limiting disc and the compressing sleeve, one end of the compressing rod is provided with a handle, the other end of the compressing rod is in abutting connection with the connecting pad, and the compressing sleeve, the compressing rod, the limiting disc and the compressing spring are arranged to facilitate compressing of the first sealing pad, the connecting pad and the second sealing pad, so that the sealing performance of the joint of the water pipe and the connecting pipe is improved.

In a further preferred embodiment, the two sides of the limiting disc are provided with limiting sliding blocks, the two sides of the pressing sleeve are provided with limiting sliding grooves matched with the limiting sliding blocks, and the moving direction of the pressing rod is limited by arranging the limiting sliding blocks and the limiting sliding grooves, so that the pressing rod is accurately abutted against the connecting pad.

In a further preferred embodiment, the rotating rod is provided with a threaded rod, one end of the threaded rod is provided with a knob, the other end of the threaded rod is fixedly connected with the sealing cover, and the position of the sealing cover is convenient to adjust by arranging the threaded rod and the knob, so that the sealing cover is convenient to install.

Preferably in further, be equipped with the cardboard in the diaphragm pump main part, it is equipped with the slide bar to slide on the dwang, the one end of slide bar is fixed and is equipped with the handle, and the other end is equipped with the fixture block, be provided with on the fixture block with cardboard complex U type draw-in groove, be equipped with the joint spring between fixture block and the dwang, through setting up the U type draw-in groove cooperation on cardboard and the fixture block, the position of the fixed dwang of being convenient for, through setting up slide bar, joint spring and handle, the position of the adjustment fixture block of being convenient for, firmly fix the fixture block on the cardboard simultaneously, improved the practicality.

In a further preferred aspect, the pump cover is provided with a sealing strip, and the pump body is provided with a sealing groove matched with the sealing strip, so that the connection tightness of the pump cover and the pump body is improved by arranging the sealing strip and the sealing groove.

In a further preferred aspect, the pump cover is provided with a clamping rod, the pump body is provided with a clamping groove matched with the clamping rod, the clamping rod and the clamping groove are L-shaped, and the pump cover is convenient to install and detach by arranging the L-shaped clamping block and the L-shaped clamping groove, so that the pump cover is tightly connected.

(III) beneficial effects

Compared with the prior art, the utility model provides the diaphragm pump with high sealing performance, which has the following beneficial effects:

1. according to the utility model, the annular grooves are arranged on the first sealing gasket and the second sealing gasket, the annular protrusions are arranged on the connecting gasket, so that the tightness of the water pipe and the connecting pipe is improved, and the first sealing gasket, the connecting gasket and the second sealing gasket are conveniently compressed by arranging the compression sleeve, the compression rod, the limiting disc and the compression spring, so that the tightness of the joint of the water pipe and the connecting pipe is improved, and further, the connection tightness of the diaphragm pump is improved.

2. According to the utility model, the threaded rod and the knob are arranged, so that the position of the sealing cover can be conveniently adjusted, the sealing cover can be conveniently installed, and the rotating rod and the sealing cover are arranged, so that when the diaphragm pump body is not in use, the diaphragm pump body is in a sealing state, and sundries are prevented from entering the pump body to influence the service life of the diaphragm pump body.

3. According to the utility model, the L-shaped clamping blocks and the L-shaped clamping grooves are arranged, so that the pump cover can be conveniently installed and detached, the pump cover is tightly connected, and the sealing strip and the sealing groove are arranged, so that the connection tightness of the pump cover and the pump body is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a high-tightness diaphragm pump in the utility model;

FIG. 2 is an exploded view showing the fitting structure of the connection pipe, the water pipe, the first gasket, the second gasket and the connection pad according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a compression sleeve according to the present utility model;

FIG. 4 is an exploded view of the mating structure of the pump cap, pump body and gasket of the present utility model;

fig. 5 is an enlarged view of a partial structure of a in fig. 1.

In the figure: 1. a diaphragm pump body; 2. a pump body; 3. a pump cover; 4. a connecting pipe; 5. a water pipe; 6. a first gasket; 7. a second gasket; 8. a connection pad; 9. an annular protrusion; 10. an annular groove; 11. a rotating lever; 12. sealing cover; 13. compressing the sleeve; 14. a pressing rod; 15. a limiting disc; 16. a compression spring; 17. a handle; 18. a limit sliding block; 19. limiting sliding grooves; 20. a threaded rod; 21. a knob; 22. a clamping plate; 23. a slide bar; 24. a handle; 25. a clamping block; 26. a U-shaped clamping groove; 27. a clamping spring; 28. a sealing strip; 29. sealing grooves; 30. a clamping rod; 31. and a clamping groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-5, a diaphragm pump with high sealing performance comprises a diaphragm pump main body 1, wherein the diaphragm pump main body 1 comprises a pump body 2 and a pump cover 3, the pump body 2 and the pump cover 3 are in flange connection, a connecting pipe 4 is arranged on the diaphragm pump main body 1, a water pipe 5 is arranged on the connecting pipe 4, a first sealing gasket 6 is arranged inside the connecting pipe 4, a second sealing gasket 7 is arranged on one side of the water pipe 5, a connecting gasket 8 is arranged between the first sealing gasket 6 and the second sealing gasket 7, an annular bulge 9 is arranged on the connecting gasket 8, an annular groove 10 matched with the annular bulge 9 is arranged on the first sealing gasket 6 and the second sealing gasket 7, a pressing device is arranged on the connecting pipe 4, a rotating rod 11 is arranged on the diaphragm pump main body 1, a sealing cover 12 is arranged on the rotating rod 11, a first sealing gasket 6 is arranged on the sealing cover 12, the pressing device comprises a pressing sleeve 13, a pressing rod 14 is arranged on the pressing sleeve 13 in a sliding manner, the compressing rod 14 is provided with a limiting disc 15, a compressing spring 16 is arranged between the limiting disc 15 and the compressing sleeve 13, one end of the compressing rod 14 is provided with a lifting handle 17, the other end is in abutting connection with the connecting pad 8, two sides of the limiting disc 15 are provided with limiting sliding blocks 18, two sides of the compressing sleeve 13 are provided with limiting sliding grooves 19 matched with the limiting sliding blocks 18, when the water pipe 5 and the connecting pipe 4 are connected, the lifting handle 17 is lifted upwards, the lifting handle 17 drives the limiting disc 15 to compress the compressing spring 16 upwards, the limiting disc 15 drives the limiting sliding blocks 18 to slide in the limiting sliding grooves 19, the water pipe 5 and the second sealing pad 7 are inserted into the connecting pipe 4, the annular protrusion 9 of the second sealing pad 7 is inserted into the annular groove 10 of the connecting pad 8, then the lifting handle 17 is released, the limiting disc 15 drives the compressing rod 14 to downwards compress the connecting pad 8 under the pressure of the compressing spring 16, and the first sealing pad 6 is enabled to be, the connection pad 8 and the second sealing pad 7 are tightly connected, and the sealing performance is high.

Referring to fig. 1 and 5, in this embodiment, a threaded rod 20 is disposed on a rotating rod 11, a knob 21 is disposed at one end of the threaded rod 20, the other end is fixedly connected with a sealing cover 12, a clamping plate 22 is disposed on a diaphragm pump main body 1, a sliding rod 23 is disposed on the rotating rod 11 in a sliding manner, a handle 24 is fixedly disposed at one end of the sliding rod 23, a clamping block 25 is disposed at the other end, a U-shaped clamping groove 26 matched with the clamping plate 22 is disposed on the clamping block 25, a clamping spring 27 is disposed between the clamping block 25 and the rotating rod 11, when the diaphragm pump main body 1 is not in use, the rotating rod 11 is rotated to align the sealing cover 12 to a connecting rod, the knob 21 is rotated, the knob 21 drives the threaded rod 20 to rotate, the sealing cover 12 is tightly combined with the connecting pipe 4, sealing cover 4 is sealed, the clamping plate 22 is clamped with the U-shaped clamping groove 26 on the clamping block 25, and further, when the connecting pipe 4 is required to be used, the knob 21 and 20 is rotated to lift the sealing cover 12, the handle 24 is pulled, the clamping spring 27 is compressed, the clamping block 25 is separated from the clamping plate 22, the rotating rod 11 is rotated to rotate the sealing cover 12 by 180 °, and the clamping cover is clamped under the clamping spring 27, and the clamping cover 22 is clamped under the clamping action of the clamping force.

Referring to fig. 4, in this embodiment, a sealing strip 28 is disposed on a pump cover 3, a sealing groove 29 matched with the sealing strip 28 is disposed on a pump body 2, a clamping rod 30 is disposed on the pump cover 3, a clamping groove 31 matched with the clamping rod 30 is disposed on the pump body 2, the clamping rod 30 and the clamping groove 31 are L-shaped, when in use, the pump cover 3 is mounted on the pump body 2, the sealing strip 28 is attached to the sealing groove 29, the clamping rod 30 on the pump cover 3 extends into the clamping groove 31, the pump cover 3 is rotated, the clamping rod 30 is attached to the clamping groove 31, and the pump cover 3 is connected with the pump body 2 through bolts, so that assembly is completed.

Example 2:

on the basis of embodiment 1, when the water pipe 5 and the connecting pipe 4 are connected, the lifting handle 17 is lifted upwards, the lifting handle 17 drives the limiting disc 15 to compress the compression spring 16 upwards, the limiting disc 15 drives the limiting sliding block 18 to slide in the limiting sliding groove 19, the water pipe 5 and the second sealing gasket 7 are inserted into the connecting pipe 4, the annular bulge 9 of the second sealing gasket 7 is inserted into the annular groove 10 of the connecting gasket 8, then the lifting handle 17 is released, and the limiting disc 15 drives the compression rod 14 to compress the connecting gasket 8 downwards under the pressure of the compression spring 16, so that the first sealing gasket 6, the connecting gasket 8 and the second sealing gasket 7 are tightly connected, and the sealing performance is high.

Example 3:

on the basis of embodiment 2, when the diaphragm pump body 1 is not in use, the rotating rod 11 is rotated, the sealing cover 12 is aligned to the connecting rod, the knob 21 is rotated, the knob 21 drives the threaded rod 20 to rotate, and then the sealing cover 12 is tightly combined with the connecting pipe 4, sealing is completed on the connecting pipe 4, the clamping plate 22 is clamped with the U-shaped clamping groove 26 on the clamping block 25, further the sealing cover 12 is prevented from being deviated, when the connecting pipe 4 is required to be used, the knob 21 is rotated, the threaded rod 20 rotates to lift the sealing cover 12, the lifting handle 24, the clamping spring 27 is compressed, the clamping block 25 is separated from the clamping plate 22, the rotating rod 11 is rotated, the sealing cover 12 is rotated 180 degrees, the handle 24 is loosened, the clamping block 25 is clamped with the clamping plate 22 under the action of elastic force of the clamping spring 27, and then the sealing cover 12 is fixed, when in use, the pump cover 3 is mounted on the pump body 2, the sealing strip 28 is attached with the sealing groove 29, the clamping rod 30 on the pump cover 3 is stretched into the clamping groove 31, the pump cover 3 is rotated, the clamping rod 30 is attached with the clamping groove 31, and then the pump cover 3 is connected with the pump body 2 through the bolt, and assembly is completed.

In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a high diaphragm pump of leakproofness, includes diaphragm pump main part (1), its characterized in that: the utility model provides a diaphragm pump body (1) is including pump body (2) and pump cover (3), flange joint between pump body (2) and pump cover (3), be equipped with connecting pipe (4) on diaphragm pump body (1), be equipped with water pipe (5) on connecting pipe (4), connecting pipe (4) inside are equipped with first sealed pad (6), water pipe (5) one side is equipped with second sealed pad (7), be equipped with connecting pad (8) between first sealed pad (6) and second sealed pad (7), be equipped with annular bulge (9) on connecting pad (8), be provided with on first sealed pad (6) and the second sealed pad (7) with annular bulge (9) complex annular groove (10), be equipped with closing device on connecting pipe (4), be equipped with dwang (11) on diaphragm pump body (1), be equipped with sealed lid (12) on dwang (11), be provided with first sealed pad (6) on sealed lid (12).

2. A highly sealable diaphragm pump according to claim 1, wherein: the compressing device comprises a compressing sleeve (13), a compressing rod (14) is arranged on the compressing sleeve (13) in a sliding mode, a limiting disc (15) is arranged on the compressing rod (14), a compressing spring (16) is arranged between the limiting disc (15) and the compressing sleeve (13), a lifting handle (17) is arranged at one end of the compressing rod (14), and the other end of the compressing rod is in abutting connection with the connecting pad (8).

3. A highly sealable diaphragm pump according to claim 2, wherein: limiting sliding blocks (18) are arranged on two sides of the limiting disc (15), and limiting sliding grooves (19) matched with the limiting sliding blocks (18) are arranged on two sides of the pressing sleeve (13).

4. A highly sealable diaphragm pump according to claim 1, wherein: the rotary rod (11) is provided with a threaded rod (20), one end of the threaded rod (20) is provided with a knob (21), and the other end of the threaded rod is fixedly connected with the sealing cover (12).

5. A highly sealable diaphragm pump according to claim 1, wherein: be equipped with cardboard (22) on diaphragm pump main part (1), the last slip of dwang (11) is equipped with slide bar (23), the one end of slide bar (23) is fixed and is equipped with handle (24), and the other end is equipped with fixture block (25), be provided with on fixture block (25) with cardboard (22) complex U type draw-in groove (26), be equipped with joint spring (27) between fixture block (25) and dwang (11).

6. A highly sealable diaphragm pump according to claim 1, wherein: the pump cover (3) is provided with a sealing strip (28), and the pump body (2) is provided with a sealing groove (29) matched with the sealing strip (28).

7. A highly sealable diaphragm pump according to claim 6, wherein: the pump cover (3) is provided with a clamping rod (30), the pump body (2) is provided with a clamping groove (31) matched with the clamping rod (30), and the clamping rod (30) and the clamping groove (31) are L-shaped.