CN211370692U - Pneumatic diaphragm pump - Google Patents
Pneumatic diaphragm pump Download PDFInfo
- Publication number
- CN211370692U CN211370692U CN201922393197.0U CN201922393197U CN211370692U CN 211370692 U CN211370692 U CN 211370692U CN 201922393197 U CN201922393197 U CN 201922393197U CN 211370692 U CN211370692 U CN 211370692U
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- China
- Prior art keywords
- pipe
- liquid
- pump body
- diaphragm pump
- reciprocating pump
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- 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.)
- Expired - Fee Related
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- 239000007788 liquid Substances 0.000 claims abstract description 106
- 230000008878 coupling Effects 0.000 claims abstract description 18
- 238000010168 coupling process Methods 0.000 claims abstract description 18
- 238000005859 coupling reaction Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 40
- 239000004743 Polypropylene Substances 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 2
- 230000007306 turnover Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Reciprocating Pumps (AREA)
Abstract
The utility model relates to a pneumatic diaphragm pump, including the reciprocating pump body, the both ends of the reciprocating pump body all are provided with the side cap, the equal vertical rigid coupling in upper and lower both ends of side cap have with the inside liquid flow pipe that communicates of side cap, the two liquid flow pipes of both sides lid are close to the equal rigid coupling in one side each other and have with the branch liquid pipe of liquid flow pipe intercommunication, all can dismantle between the corresponding branch liquid pipe of both sides side caps and be connected with the business turn over liquid pipe that can communicate with the two liquid flow pipes that correspond, two the side cap is provided with the hoop that can connect side cap and the reciprocating pump body respectively with the both ends. The utility model discloses it is convenient to have diaphragm pump side cap dismantlement, and the effect of the probability that reduction diaphragm pump that can be great was revealed.
Description
Technical Field
The utility model belongs to the technical field of the technique of diaphragm pump and specifically relates to a pneumatic diaphragm pump is related to.
Background
Diaphragm pumps are a more particular form of positive displacement pump. It relies on the back and forth movement of a diaphragm to vary the volume of the working chamber to draw in and expel fluid. The pneumatic 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 comprises mechanical transmission, hydraulic transmission, pneumatic transmission and the like, wherein the hydraulic transmission is widely applied. The working part of the diaphragm pump mainly comprises a crank connecting rod mechanism, a plunger, a hydraulic cylinder, a diaphragm, a pump body, a suction valve, a discharge valve and the like, wherein a driving mechanism consisting of the crank connecting rod, the plunger and the hydraulic cylinder is very similar to a reciprocating plunger pump.
The existing referenceable authorization publication numbers are: CN 204152767U's chinese utility model patent discloses an air operated diaphragm pump, the bilateral symmetry of pump body top is equipped with the upper cover, and the bilateral symmetry of pump body below is equipped with the lower cover, connect through the flange supporting tube between two upper covers, connect through the flange supporting tube between two lower covers, the upper cover all is equipped with the flange with flange supporting tube junction and lower cover and flange supporting tube junction, two flange supporting tube outsides all are equipped with external flange, and external flange is connected the pump body with the installation department, external flange changes the installation direction along with the rotation of flange supporting tube. The utility model discloses a go up lower cover and external flange joint department and adopt the national standard flange size, not only can connect the flange alone, use a diaphragm pump as two pumps, can change the installation direction of external flange moreover, install simpler, it is more convenient to use.
Above-mentioned pneumatic diaphragm pump of this kind of current, the pump body and the bolted connection split type structure that external flange, upper cover, flange stay tube all adopted, therefore, need dismantle when overhauing at the diaphragm pump body, more bolt need be dismantled during the operation, and comparatively inconvenient, and because the split type structure of bolted connection that each part of diaphragm pump all adopted, therefore, in case arbitrary bolt is not hard up, all can produce the probability that the diaphragm pump was revealed, and more bolt, great increase again the not hard up probability of bolt.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pneumatic diaphragm pump has the diaphragm pump side cap and dismantles the convenience, and the effect of the probability that the reduction diaphragm pump that can be great was revealed.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a pneumatic diaphragm pump, includes the reciprocating pump body, the both ends of the reciprocating pump body all are provided with the side cap, the equal vertical rigid coupling in upper and lower both ends of side cap have with the inside liquid flow pipe that communicates of side cap, the two liquid flow pipes of both sides lid are close to the equal rigid coupling in one side each other and have with the branch liquid pipe of liquid flow pipe intercommunication, all can dismantle between the corresponding branch liquid pipe of both sides side caps and be connected with the business turn over liquid pipe that can communicate with two branch liquid pipes that correspond, two the side cap is provided with the hoop that can connect side cap and the reciprocating pump body respectively with the.
Through adopting above-mentioned technical scheme, the side cap with flow liquid pipe and divide liquid pipe integrated into one piece, simple structure, and reduced the side cap, flow liquid pipe and divide the probability of revealing between the liquid pipe, in addition, the side cap is fixed with the adoption hoop of the reciprocating pump body, when dismantling, easy operation, convenient to use.
The utility model discloses further set up to: the end of the liquid flow pipe is provided with a sinking groove communicated with the liquid flow pipe and the liquid distribution pipe, the inner diameter of the sinking groove is larger than the inner diameter of the liquid flow pipe, a sealing ball is arranged in the sinking groove, the end of the sinking groove is connected with a sealing cover of the sinking groove in a threaded manner, and a spring capable of pushing the sealing ball to seal the liquid distribution pipe in a normal state is arranged between the sealing cover and the sealing ball.
Through adopting above-mentioned technical scheme, the sealed lid and heavy groove threaded connection simple structure that adopt, and the spring damages and changes the convenience.
The utility model discloses further set up to: the equal rigid coupling in one side of liquid inlet and outlet pipe has the inlet and outlet pipe, the constant head tank that the internal diameter is greater than the inlet and outlet liquid pipe internal diameter is all seted up at the both ends of liquid inlet and outlet pipe, and the correspondence of both sides cover divides in the liquid pipe all inserts the constant head tank of locating liquid inlet and outlet pipe, and divides the global equal rigid coupling of liquid pipe to have can the butt in the global sealing ring of constant head tank.
Through adopting above-mentioned technical scheme, the completion that can be convenient advances drain pipe and divides being connected of liquid pipe, easy operation, and the constant head tank that adopts and the leakproofness that guarantees that the sealing ring can be further divide liquid pipe and business turn over liquid union coupling.
The utility model discloses further set up to: the utility model discloses a reciprocating pump, including the reciprocating pump body, the reciprocating pump body is equipped with the side cap, the side cap is equipped with the annular that the width is the same with twice bulge loop width, and the side cap is equipped with the locking bolt that can connect two semi-rings to whole ring between the both ends of two halves ring.
Through adopting above-mentioned technical scheme, the two halves rings that adopt cooperate with the locking bolt, completion side cap that can be convenient is connected convenient to use with the reciprocal pump body.
The utility model discloses further set up to: elastic sealing gaskets are fixedly connected in the annular grooves.
Through adopting above-mentioned technical scheme, the elastic sealing pad of adoption can prevent on the one hand that the semi-ring from crushing side cover and the reciprocating pump body, and on the other hand can improve the sealed of side cover and the reciprocating pump body.
The utility model discloses further set up to: the side cap is close to one side each other and all opens there is the slot, the equal rigid coupling in both ends of the reciprocating pump body has the ring of inserting that can insert and locate the annular.
Through adopting above-mentioned technical scheme, the insert ring and the slot of adoption are mutually supported, can be convenient for the both ends of the reciprocal pump body insert locate the side cap in, be convenient for side cap and reciprocal pump body location.
The utility model discloses further set up to: one side of the mutual butt joint of insert ring and slot all is fixedly connected with sealed pad one.
This practicality further sets up to: through the sealing gasket I, the mutual sealing performance of the reciprocating pump body and the side cover can be guaranteed, and the leakage probability is reduced.
The utility model discloses further set up to: the outer side of the end part of the reciprocating pump body corresponding to the insert ring and the outer side of the side cover corresponding to the insert groove are fixedly connected with a second sealing gasket which can be mutually abutted, a limiting groove is formed in the second sealing gasket, and the second sealing gasket is fixedly connected with a limiting block at a position corresponding to the limiting groove.
Through adopting above-mentioned technical scheme, through the sealed pad two that adopts, the assurance that on the one hand can be further reciprocating the pump body and the sealed of side cap, on the other hand also is convenient for reciprocating the location of pump body and side cap, the installation of being convenient for.
The utility model discloses further set up to: the reciprocating pump body, the side cover, the liquid flow pipe, the liquid distribution pipe and the liquid inlet and outlet pipe are all formed by polypropylene.
By adopting the technical scheme, the adopted polypropylene diaphragm pump is corrosion-resistant, light in weight and long in service life.
The utility model discloses further set up to: the hoop is a stainless steel hoop.
Through adopting above-mentioned technical scheme, the stainless steel hoop that adopts, intensity is high, and is corrosion-resistant, long service life.
To sum up, the utility model discloses a beneficial technological effect does:
1. the side cover, the liquid flow pipe and the liquid distribution pipe are integrally formed, the structure is simple, the probability of leakage among the side cover, the liquid flow pipe and the liquid distribution pipe is reduced, in addition, the side cover and the reciprocating pump body are fixed by the hoop, the operation is simple and the use is convenient when the side cover is disassembled;
2. the liquid inlet and outlet pipe can be conveniently connected with the liquid distribution pipe, the operation is simple, and the adopted positioning groove and the sealing ring can further ensure the tightness of the connection of the liquid distribution pipe and the liquid inlet and outlet pipe;
3. the elastic sealing gasket can prevent the semi-ring from crushing the side cover and the reciprocating pump body, and can improve the sealing between the side cover and the reciprocating pump body.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the liquid inlet and outlet pipe of the present invention.
Fig. 3 is a schematic structural view of the insert ring of the present invention.
In the figure, 1, a reciprocating pump body; 2. a side cover; 21. a liquid flow pipe; 211. sinking a groove; 212. a sealing ball; 213. a spring; 214. a sealing cover; 22. a liquid separating pipe; 221. a seal ring; 3. a liquid inlet and outlet pipe; 31. an inlet pipe and an outlet pipe; 32. positioning a groove; 4. a convex ring; 41. a slot; 42. inserting a ring; 43. a first sealing gasket; 44. a second sealing gasket; 45. a limiting groove; 46. a limiting block; 5. a hoop; 51. a half ring; 52. a ring groove; 53. and locking the bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a pneumatic diaphragm pump, including the reciprocating pump body 1, the both ends of the reciprocating pump body 1 all are provided with side cap 2, and the equal vertical rigid coupling in upper and lower both ends of side cap 2 has a liquid flow pipe 21, and liquid flow pipe 21 communicates with the inside of side cap 2, and the liquid flow pipe 21 of both sides lid 2 is close to the liquid diversion pipe 22 that the equal rigid coupling in one side has the level to set up each other, divides liquid diversion pipe 22 and liquid flow pipe 21 intercommunication. Liquid inlet and outlet pipes 3 are arranged between the corresponding liquid distributing pipes 22 of the two side covers 2, and the middle parts of the liquid inlet and outlet pipes 3 are fixedly connected with inlet and outlet pipes 31 which can be communicated with the liquid inlet and outlet pipes 3. The reciprocating pump body 1, the side cover 2, the liquid flow pipe 21, the liquid distribution pipe 22 and the liquid inlet and outlet pipe 3 are all formed by polypropylene. The both ends of liquid inlet and outlet pipe 3 all offer the internal diameter and be greater than the constant head tank 32 of liquid inlet and outlet pipe 3 internal diameter, and the liquid distribution pipe 22 of both sides lid 2 all can insert and locate in the constant head tank 32 that corresponds liquid inlet and outlet pipe 3, and the global equal rigid coupling of liquid distribution pipe 22 has can the butt in the global sealing ring 221 of constant head tank 32. The side cap 2 and the liquid flow tube 21 and divide liquid pipe 22 integrated into one piece that adopt have reduced the probability of revealing between side cap 2, liquid flow tube 21 and the branch liquid pipe 22, in addition, the business turn over liquid pipe 3 that adopts and divide liquid pipe 22 to peg graft each other convenient completion and advance liquid pipe 3 and divide liquid pipe 22 to be connected, and the constant head tank 32 and the leakproofness that the assurance that sealing ring 221 adopted can be further divides liquid pipe 22 and business turn over liquid pipe 3 to be connected.
The tip of flowing liquid pipe 21 all seted up with flowing liquid pipe 21 and divide liquid pipe 22 intercommunication and the internal diameter to be greater than the heavy groove 211 of flowing liquid pipe 21 internal diameter, all be provided with sealed ball 212 in heavy groove 211, the tip of heavy groove 211 still all threaded connection has sealed lid 214, sealed lid 214 can seal heavy groove 211, it has spring 213 to all be rigid coupled between sealed lid 214 and the sealed ball 212, under the normality, spring 213 can promote sealed ball 212 and seal and divide liquid pipe 22 to isolated branch liquid pipe 22 and the intercommunication of flowing liquid pipe 21.
Referring to fig. 1 and 3, a protruding ring 4 is fixedly connected to one side peripheral surface of the side cover 2 and the reciprocating pump body 1, the protruding rings 4 on the two side surfaces are provided with slots 41 on one side, the protruding rings 4 on the two ends of the reciprocating pump body 1 are fixedly connected to the slots 41, when the protruding rings 4 on the side cover 2 are abutted to the protruding rings 4 on the end portion of the reciprocating pump body 1, the inserting rings 42 can be inserted into the slots 41, the first sealing gaskets 43 are fixedly connected to one side of the inserting rings 42 and the slots 41, so as to improve the sealing performance of the side cover 2 and the reciprocating pump body 1, the second sealing gaskets 44 which can be abutted to each other are fixedly connected to the outer side of the end portion of the reciprocating pump body 1 and the outer side of the side cover 2 corresponding to the slots 41, one second sealing gasket 44 is provided with a limiting groove 45, and the other second sealing gasket 44 is fixedly connected to a limiting block 46, and the limiting block 46 can, so that on the one hand the sealing of the reciprocating pump body 1 with the side cover 2 can be increased and on the other hand the rotation of the side cover 2 relative to the reciprocating pump body 1 can also be prevented.
Referring back to fig. 1 and 2, the two side covers 2 and the two ends of the reciprocating pump body 1 are respectively provided with a hoop 5 made of stainless steel, and the hoop 5 can connect the side covers 2 and the reciprocating pump body 1. Hoop 5 all includes two semi-rings 51, and the annular 52 that the width is the same with twice bulge loop 4 width is all seted up to semi-ring 51's inboard, all rigid coupling elastic sealing pad in the annular 52. The two ring grooves 52 can be sleeved on the outer sides of the convex ring 4 of the side cover 2 and the convex ring 4 of the reciprocating pump, and a locking bolt 53 which can connect the two half rings 51 to the whole ring is arranged between the two ends of the two half rings 51. The two half rings 51 and the locking bolt 53 that adopt cooperate, can be convenient the completion side cap 2 with reciprocating pump body 1 be connected, and the elastic sealing pad that adopts can prevent on the one hand that half ring 51 from crushing side cap 2 and reciprocating pump body 1, and on the other hand can improve the sealed of side cap 2 and reciprocating pump body 1.
The implementation principle of the embodiment is as follows: the side cap 2 and the liquid flow pipe 21 and divide liquid pipe 22 integrated into one piece that adopt have reduced the probability of revealing between side cap 2, liquid flow pipe 21 and the liquid branch pipe 22, two halves ring 51 and the cooperation of locking bolt 53 of adoption, the completion side cap 2 that can be convenient is connected with the reciprocating pump body 1, and the elastic sealing pad of adoption can prevent on the one hand that half ring 51 from crushing side cap 2 and the reciprocating pump body 1, and on the other hand can improve the sealed of side cap 2 and the reciprocating pump body 1.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. The utility model provides a pneumatic diaphragm pump, includes the reciprocating pump body (1), the both ends of the reciprocating pump body (1) all are provided with side cap (2), the equal vertical rigid coupling in upper and lower both ends of side cap (2) have with the inside fluid pipe (21) that communicate of side cap (2), its characterized in that: two liquid flow pipes (21) of two side covers (2) are close to each other and are all fixedly connected with branch liquid pipe (22) communicated with liquid flow pipe (21) on one side, and corresponding branch liquid pipe (22) of two side covers (2) are connected with liquid inlet and outlet pipe (3) communicated with corresponding branch liquid pipe (22) in a detachable mode, and two side covers (2) and two ends of reciprocating pump body (1) are respectively provided with hoop (5) capable of connecting side covers (2) and reciprocating pump body (1).
2. An air operated diaphragm pump according to claim 1, wherein: the end of the liquid flow pipe (21) is provided with a sinking groove (211) which is communicated with the liquid flow pipe (21) and the liquid distribution pipe (22) and has an inner diameter larger than that of the liquid flow pipe (21), a sealing ball (212) is arranged in the sinking groove (211), the end of the sinking groove (211) is further connected with a sealing cover (214) of the sinking groove (211) in a threaded manner, and a spring (213) which can push the sealing ball (212) to seal the liquid distribution pipe (22) in a normal state is arranged between the sealing cover (214) and the sealing ball (212).
3. An air operated diaphragm pump according to claim 1, wherein: the equal rigid coupling in one side of liquid inlet and outlet pipe (3) has inlet and outlet pipe (31), constant head tank (32) that the internal diameter is greater than liquid inlet and outlet pipe (3) internal diameter are all seted up at the both ends of liquid inlet and outlet pipe (3), and corresponding branch liquid pipe (22) of both sides lid (2) all insert locate in constant head tank (32) of liquid inlet and outlet pipe (3), and divide the global equal rigid coupling of liquid pipe (22) to have can butt in the global sealing ring (221) of constant head tank (32).
4. An air operated diaphragm pump according to claim 1, wherein: side cap (2) and the mutual butt of the reciprocating pump body (1) one side global equal rigid coupling have bulge loop (4), hoop (5) all include two semi-rings (51), and annular (52) that the width is the same with twice bulge loop (4) width are all seted up to the inboard of semi-ring (51), and the outside of side cap (2) bulge loop (4) and reciprocating pump bulge loop (4) can all be located to two annular (52) cover, is provided with between the both ends of two semi-rings (51) and can connects two semi-rings (51) to locking bolt (53) of whole ring.
5. An air operated diaphragm pump according to claim 4 wherein: elastic sealing gaskets are fixedly connected in the annular grooves (52).
6. An air operated diaphragm pump according to claim 1, wherein: the side cover (2) are close to each other and are provided with slots (41), and the two ends of the reciprocating pump body (1) are fixedly connected with inserting rings (42) capable of being inserted into the slots (41).
7. An air operated diaphragm pump according to claim 6 wherein: one side of the inserting ring (42) and one side of the inserting groove (41) which are mutually abutted are fixedly connected with a first sealing gasket (43).
8. An air operated diaphragm pump according to claim 6 wherein: reciprocal pump body (1) tip corresponds the outside of insert ring (42) and side cap (2) correspond the equal rigid coupling in the outside of slot (41) and has two (44) of sealed pad that can mutual butt, one spacing groove (45) have been seted up on sealed pad two (44), and another the position rigid coupling that sealed pad two (44) correspond spacing groove (45) has stopper (46).
9. An air operated diaphragm pump according to claim 1, wherein: the reciprocating pump body (1), the side cover (2), the liquid flow pipe (21), the liquid distribution pipe (22) and the liquid inlet and outlet pipe (3) are all formed by polypropylene.
10. An air operated diaphragm pump according to claim 1, wherein: the hoop (5) is a stainless steel hoop (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922393197.0U CN211370692U (en) | 2019-12-24 | 2019-12-24 | Pneumatic diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922393197.0U CN211370692U (en) | 2019-12-24 | 2019-12-24 | Pneumatic diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211370692U true CN211370692U (en) | 2020-08-28 |
Family
ID=72151938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922393197.0U Expired - Fee Related CN211370692U (en) | 2019-12-24 | 2019-12-24 | Pneumatic diaphragm pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211370692U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114856977A (en) * | 2022-04-18 | 2022-08-05 | 栾健 | Diaphragm pump with seal assembly |
-
2019
- 2019-12-24 CN CN201922393197.0U patent/CN211370692U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114856977A (en) * | 2022-04-18 | 2022-08-05 | 栾健 | Diaphragm pump with seal assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200828 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |