CN221195347U - Pneumatic diaphragm pump with good corrosion resistance effect - Google Patents
Pneumatic diaphragm pump with good corrosion resistance effect Download PDFInfo
- Publication number
- CN221195347U CN221195347U CN202323220609.3U CN202323220609U CN221195347U CN 221195347 U CN221195347 U CN 221195347U CN 202323220609 U CN202323220609 U CN 202323220609U CN 221195347 U CN221195347 U CN 221195347U
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- Prior art keywords
- pump cover
- fixed cover
- cover
- corrosion resistance
- pump
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- 230000007797 corrosion Effects 0.000 title claims abstract description 22
- 238000005260 corrosion Methods 0.000 title claims abstract description 22
- 230000000694 effects Effects 0.000 title description 11
- 238000006073 displacement reaction Methods 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 20
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 11
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000010409 thin film Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a pneumatic diaphragm pump with good corrosion resistance, which comprises a support frame, a return pipe, an outer pump cover, a central shell, an inner pump cover, an upper shell, a fixed sleeve, a displacement column and a main diaphragm, wherein the return pipe is arranged at the top of the support frame, the inner pump cover is arranged at both ends of the central shell, the outer pump cover is arranged at both ends of the inner wall of the outer pump cover, the outer pump cover is connected with the inner pump cover through bolts, the fixed sleeve is arranged in the central shell, one end of the fixed sleeve is provided with a sealing ring through a reserved groove, the inside of the sealing ring is provided with the displacement column, and annular sliding blocks are arranged at the positions, close to both ends of the fixed sleeve, of the periphery of the displacement column. This novel possess the corrosion-resistant structure that can partly change in diaphragm department to make the diaphragm part of this diaphragm pump receive the corruption back in the surface, need not to carry out whole change, reduced maintenance cost, be fit for extensively using widely.
Description
Technical Field
The utility model relates to the technical field of diaphragm pumps, in particular to a pneumatic diaphragm pump with good corrosion resistance effect.
Background
A pneumatic diaphragm pump is a pump driven by pneumatic principles and is commonly used to deliver a variety of liquids, including liquids that are corrosive, have a high viscosity, and have a high solids content.
The prior pneumatic diaphragm pump has the following defects: 1. the diaphragm contacts various acid-base corrosive liquids, corrosion is easy to occur, and the diaphragm needs to be replaced integrally after corrosion, so that the cost is increased. Therefore, we propose an air-operated diaphragm pump with good corrosion resistance effect.
Disclosure of utility model
The utility model mainly aims to provide a pneumatic diaphragm pump with good corrosion resistance effect, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides a effectual pneumatic diaphragm pump of corrosion-resistant, includes support frame, returns shape pipeline, outer pump cover, central casing, interior pump cover, goes up casing, fixed cover, displacement post and main diaphragm, the support frame top is provided with back the pipeline, central casing both ends all are provided with interior pump cover, outer pump cover inner wall both ends department all is provided with outer pump cover, through bolted connection between outer pump cover and the interior pump cover, be provided with fixed cover in the central casing, fixed cover one end is provided with the sealing washer through the reservation groove, be provided with the displacement post in the sealing washer, the displacement post periphery is close to fixed cover both ends department all is provided with annular sliding block, annular sliding block is located fixed cover inner wall inboard, the displacement post outside is fixed with main diaphragm and circular connecting block through connecting screw locking, circular connecting block is located the main diaphragm outside, main diaphragm outer wall is close to the edge and is provided with the draw-in groove, circular connecting block periphery is provided with the PTFE membrane, PTFE lamina end card is located the draw-in groove.
Further, the fixed cover top is provided with the casing, be provided with the multiport valve between the upper casing inner wall both ends, multiport valve bottom both ends all are provided with the outlet duct, the outlet duct bottom is located fixed cover, through two sets of outlet ducts, conveniently carries out the direction of giving vent to anger in the fixed cover of pair of outlet duct and adjusts.
Further, two groups of air outlet pipes are provided with electric stop valves.
Further, the top of the multi-way valve is provided with an air inlet pipe, the top of the air inlet pipe is provided with an air inlet, the air inlet is positioned on one side of the top end of the upper shell, and air is conveniently introduced into the multi-way valve through the air inlet pipe.
Further, a liquid outlet and a liquid inlet are respectively arranged on the parts, close to the top and the bottom, of the square pipeline.
Further, the fixed cover is made for steel material, fixed cover bottom welding has the fin, the fin bottom is provided with the fin, because annular sliding block frequently slides in fixed cover, can cause fixed cover to heat up, can promote the area of contact with outside air through fin and fin to promote the radiating effect of fixed cover, be favorable to promoting life.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the pneumatic diaphragm pump with good corrosion resistance, the main diaphragm and the circular connecting block are fixed on the outer side of the end part of the displacement column through the connecting screw, the PTFE thin film on the periphery of the circular connecting block is clamped in the clamping groove, and the circular connecting block and the PTFE thin film are conveniently detached by unscrewing the connecting screw, so that the circular connecting block and the PTFE thin film are conveniently replaced, the outer side of the main diaphragm is not contacted with acid-base corrosive liquid, and therefore, after the diaphragm part of the diaphragm pump is corroded on the surface, the whole replacement is not needed, and the maintenance cost is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a pneumatic diaphragm pump with good corrosion resistance.
FIG. 2 is a schematic view of the inner structures of the central housing and the upper housing of the pneumatic diaphragm pump with good corrosion resistance effect.
Fig. 3 is a detailed structural schematic diagram of the position a of the pneumatic diaphragm pump with good corrosion resistance effect.
In the figure: 1. a support frame; 2. a loop-back pipe; 3. an outer pump cover; 4. a liquid inlet; 5. a liquid outlet; 6. a center housing; 7. an inner pump cover; 8. an upper housing; 9. an air inlet; 10. a fixed sleeve; 11. an air outlet pipe; 12. an annular sliding block; 13. a reserved groove; 14. a seal ring; 15. a displacement column; 16. a main diaphragm; 17. a connecting screw; 18. a circular connecting block; 19. a PTFE thin film; 20. a clamping groove; 21. a heat sink; 22. a multi-way valve; 23. an air inlet pipe; 24. fins; 25. an electric shut-off valve.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-3, a pneumatic diaphragm pump with good corrosion resistance effect comprises a supporting frame 1, a return-shaped pipeline 2, an outer pump cover 3, a central shell 6, an inner pump cover 7, an upper shell 8, a fixing sleeve 10, a displacement column 15 and a main diaphragm 16, wherein the return-shaped pipeline 2 is arranged at the top of the supporting frame 1, the inner pump covers 7 are arranged at the two ends of the central shell 6, the outer pump cover 3 is arranged at the two ends of the inner wall of the outer pump cover 3, the outer pump cover 3 and the inner pump cover 7 are connected through bolts, the fixing sleeve 10 is arranged in the central shell 6, one end of the fixing sleeve 10 is provided with a sealing ring 14 through a reserved groove 13, the displacement column 15 is arranged in the sealing ring 14, the periphery of the displacement column 15 is close to the two ends of the fixing sleeve 10, the annular sliding block 12 is positioned on the inner side of the inner wall of the fixing sleeve 10, the main diaphragm 16 and a round connecting block 18 are fixedly locked by connecting screws 17, the round connecting block 18 is positioned on the outer side of the main diaphragm 16, the outer wall of the main diaphragm 16 is close to the edge 20, a thin-layer groove 19 is formed in the thin-layer groove 19, and the thin-layer groove 19 is formed in the thin-layer groove 19.
The top of the fixed sleeve 10 is provided with an upper shell 8, a multi-way valve 22 is arranged between two ends of the inner wall of the upper shell 8, two ends of the bottom of the multi-way valve 22 are respectively provided with an air outlet pipe 11, and the bottom end of the air outlet pipe 11 is positioned in the fixed sleeve 10.
In this embodiment, as shown in fig. 2, the direction of the air outlet in the fixing sleeve 10 is conveniently adjusted by two groups of air outlet pipes 11.
Wherein, two groups of outlet pipes 11 are provided with electric stop valves 25.
In this embodiment, as shown in fig. 2, the opening and closing of the air outlet pipe 11 is conveniently controlled by an electric stop valve 25.
The top of the multi-way valve 22 is provided with an air inlet pipe 23, the top of the air inlet pipe 23 is provided with an air inlet 9, and the air inlet 9 is positioned on one side of the top end of the upper shell 8.
In this embodiment, as shown in fig. 1-2, air is conveniently introduced into the multi-way valve 22 through the air inlet 9 via the air inlet pipe 23.
Wherein, the liquid outlet 5 and the liquid inlet 4 are respectively arranged on the return pipeline 2 near the top and the bottom.
In this embodiment, as shown in fig. 1, the liquid inlet 4 and the liquid outlet 5 facilitate the liquid inlet and the liquid outlet, respectively.
The fixing sleeve 10 is made of steel materials, the bottom of the fixing sleeve 10 is welded with cooling fins 21, and fins 24 are arranged at the bottom of the cooling fins 21.
In this embodiment, as shown in fig. 1, since the annular sliding block 12 frequently slides in the fixed sleeve 10, the fixed sleeve 10 will heat up, and the contact area with the external air can be increased through the cooling fins 21 and the fins 24, so as to improve the heat dissipation effect of the fixed sleeve 10, and facilitate the increase of the service life.
It should be noted that, in operation, the utility model is a pneumatic diaphragm pump with good corrosion resistance, the main diaphragm 16 is locked and fixed on the outer side of the inner pump cover 7 through an external bolt, a through groove is further formed at the bottom of the central housing 6, the fin 24 passes through the through groove, the external air supply structure is connected with the air inlet 9 through an external pipeline, the air inlet 9 is convenient for transmitting high-pressure air to the multi-way valve 22 through the air inlet pipe 23, the electric stop valve 25 is connected with an external PLC controller to control the operation thereof, and is connected with an external power supply to supply power, the on-off of the air outlet pipe 11 is controlled through the electric stop valve 25, thereby being capable of controlling the specific way of the air outlet pipe 11 during air outlet, the air outlet pipe 11 applies external force to the annular sliding block 12 during air outlet, so that the annular sliding block 12 moves towards one end of the fixed sleeve 10 on the inner wall of the fixed sleeve 10, and then drive main diaphragm 16 and remove, change the volume in the return pipe way 2 through the deformation direction of two sets of main diaphragms 16, make the ball that is used for controlling the liquid flow in the return pipe way 2 remove, finally realize passing through inlet 4 feed liquor, perhaps go out the liquid through liquid outlet 5, because main diaphragm 16 and circular connecting block 18 are all fixed in displacement post 15 tip outside through connecting screw 17, circular connecting block 18 outlying PTFE lamina film 19 card is established in draw-in groove 20, through unscrewing connecting screw 17, the convenience is detached circular connecting block 18 and PTFE lamina film 19, thereby the convenience is changed circular connecting block 18 and PTFE lamina film 19, main diaphragm 16 outside does not contact with acid-base corrosive liquid, thereby make the diaphragm part of this diaphragm pump receive the corruption back in the surface, need not to carry out whole change, maintenance cost has been reduced.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a effectual pneumatic diaphragm pump of corrosion-resistant, includes support frame (1), return pipe way (2), outer pump cover (3), central casing (6), interior pump cover (7), goes up casing (8), fixed cover (10), displacement post (15) and main diaphragm (16), its characterized in that: the utility model provides a PTFE membrane, including support frame (1), including support frame (1), fixed cover (10), sealing washer (14) are provided with back pipe way (2), center housing (6) both ends all are provided with interior pump cover (7), outer pump cover (3) inner wall both ends department all is provided with outer pump cover (3), pass through bolted connection between outer pump cover (3) and the interior pump cover (7), be provided with fixed cover (10) in center housing (6), fixed cover (10) one end is provided with sealing washer (14) through reservation groove (13), be provided with displacement post (15) in sealing washer (14), displacement post (15) periphery is close to fixed cover (10) both ends department all is provided with annular sliding block (12), annular sliding block (12) are located fixed cover (10) inner wall inboard, the outside of displacement post (15) is fixed with main diaphragm (16) and circular connecting block (18) through connecting screw (17) locking, main diaphragm (16) outer wall is close to the edge and is provided with draw-in groove (20), peripheral (19) are located thin layer (19) PTFE membrane (20).
2. The pneumatic diaphragm pump with good corrosion resistance according to claim 1, wherein: the utility model discloses a fixed cover, including fixed cover (10), fixed cover (10) top is provided with casing (8), be provided with multiport valve (22) between the inner wall both ends of casing (8), multiport valve (22) bottom both ends all are provided with outlet duct (11), outlet duct (11) bottom is located fixed cover (10).
3. The pneumatic diaphragm pump with good corrosion resistance according to claim 2, wherein: two groups of air outlet pipes (11) are provided with electric stop valves (25).
4. The pneumatic diaphragm pump with good corrosion resistance according to claim 2, wherein: the top of the multi-way valve (22) is provided with an air inlet pipe (23), the top of the air inlet pipe (23) is provided with an air inlet (9), and the air inlet (9) is positioned on one side of the top end of the upper shell (8).
5. The pneumatic diaphragm pump with good corrosion resistance according to claim 1, wherein: and a liquid outlet (5) and a liquid inlet (4) are respectively arranged on the return pipeline (2) near the top and the bottom.
6. The pneumatic diaphragm pump with good corrosion resistance according to claim 1, wherein: the fixing sleeve (10) is made of steel materials, radiating fins (21) are welded at the bottom of the fixing sleeve (10), and fins (24) are arranged at the bottom of the radiating fins (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323220609.3U CN221195347U (en) | 2023-11-28 | 2023-11-28 | Pneumatic diaphragm pump with good corrosion resistance effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323220609.3U CN221195347U (en) | 2023-11-28 | 2023-11-28 | Pneumatic diaphragm pump with good corrosion resistance effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221195347U true CN221195347U (en) | 2024-06-21 |
Family
ID=91522459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323220609.3U Active CN221195347U (en) | 2023-11-28 | 2023-11-28 | Pneumatic diaphragm pump with good corrosion resistance effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221195347U (en) |
-
2023
- 2023-11-28 CN CN202323220609.3U patent/CN221195347U/en active Active
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