CN211370689U - Diaphragm pump - Google Patents
Diaphragm pump Download PDFInfo
- Publication number
- CN211370689U CN211370689U CN201922391266.4U CN201922391266U CN211370689U CN 211370689 U CN211370689 U CN 211370689U CN 201922391266 U CN201922391266 U CN 201922391266U CN 211370689 U CN211370689 U CN 211370689U
- Authority
- CN
- China
- Prior art keywords
- fixed block
- movable block
- diaphragm pump
- hole
- pipe
- 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.)
- Expired - Fee Related
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- 239000007788 liquid Substances 0.000 claims abstract description 49
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 239000011148 porous material Substances 0.000 claims abstract description 21
- 230000008878 coupling Effects 0.000 claims abstract description 15
- 238000010168 coupling process Methods 0.000 claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 5
- 230000007306 turnover Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Reciprocating Pumps (AREA)
Abstract
The utility model relates to a diaphragm pump, including the reciprocating pump body, the equal rigid coupling in both ends of the reciprocating pump body has the pump cover, the equal vertical rigid coupling in upper and lower both sides of pump cover has the liquid flow pipe, all is connected with the branch liquid pipe between two liquid flow pipes of upside and the two liquid flow pipes of downside, the equal rigid coupling in middle part of branch liquid pipe has the business turn over liquid pipe with branch liquid pipe coaxial line, the outer end of business turn over liquid pipe is connected with the fixed block, set up the intercommunicating pore with business turn over liquid pipe intercommunication in the fixed block, the storage tank has still been seted up to one side of fixed block, the storage tank interpolation is equipped with the movable block, interior the setting of movable block can with the filtration pore of intercommunicating pore intercommunication, be provided with the filter screen in. The utility model discloses have and can filter the effectual liquid that gets into the diaphragm pump, protect the diaphragm pump, prolong its life's effect.
Description
Technical Field
The utility model belongs to the technical field of the technique of the pump body and specifically relates to a 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 upper and lower cover and external flange joint department 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, and the installation is simpler, and it is more convenient to use.
However, when the conventional diaphragm pump is used for conveying liquid with more impurities, the diaphragm pump is easily blocked by the impurities in the use process of the diaphragm pump, and the impurities are easy to damage a diaphragm after entering a pump body, so that the service life of the diaphragm pump is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a diaphragm pump has and can effectually filters the liquid that gets into the diaphragm pump, protects the diaphragm pump, prolongs its life's effect.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a diaphragm pump, includes the reciprocating pump body, the equal rigid coupling in both ends of the reciprocating pump body has the pump cover, the equal vertical rigid coupling in upper and lower both sides of pump cover has the flow liquid pipe, all is connected with the branch liquid pipe between two flow liquid pipes of upside and the two flow liquid pipes of downside, the equal rigid coupling in middle part of branch liquid pipe has the business turn over liquid pipe with branch liquid pipe coaxial line, the outer end of advancing the drain pipe is connected with the fixed block, set up the intercommunicating pore with business turn over liquid pipe intercommunication in the fixed block, the storage tank has still been seted up to one side of fixed block, the storage tank interpolation is equipped with the movable block, interior division of movable block have can with the filtration pore of intercommunicating pore intercommunication, be provided with the filter.
Through adopting above-mentioned technical scheme, during the use, insert the movable block and locate in the storage tank of fixed block, the filtration hole of this fixed block will communicate with the intercommunicating pore of fixed block, in operation, liquid can directly get into the filtration hole through the intercommunicating pore of fixed block, it advances the drain pipe to pass through the intercommunicating pore entering after the filter screen filters, then will get into the pump body through filterable liquid, avoid pump body during operation, receive impurity damage diaphragm, the life of the extension pump body, furthermore, when needs are clean or change the filter screen, directly take out the movable block, the filter screen of crossing the filtration hole is changed can.
The utility model discloses further set up to: the positioning mechanism comprises a locking bolt in threaded connection with one side of the fixed block, and a positioning hole capable of inserting the end part of the locking bolt is further formed in one side of the movable block.
Through adopting above-mentioned technical scheme, during the use, after having changed or cleaned the filter screen, directly insert the movable block and locate the storage tank in, at this moment, the locating hole of movable block will be located locking bolt's position department, then, screw up locking bolt, can insert the tip of bolt in locating hole of locating the movable block to can accomplish the fixed of movable block in the storage tank.
The utility model discloses further set up to: the length direction of the movable block is the same as that of the filtering hole, and the two ends of the movable block are fixedly connected with sealing gaskets capable of being abutted to the accommodating groove.
Through adopting above-mentioned technical scheme, during the use, increase the leakproofness of movable block in the storage tank that can step forward through the sealed pad at movable block both ends, reduce the probability of revealing.
The utility model discloses the type machine further sets up to: the fixed block corresponds the equal vertical valve plate that slides and be connected with and can seal or open the intercommunicating pore in the through-hole at storage tank both ends, the upper end of valve plate is still rotated and is connected with threaded connection in the screw rod of fixed block, the upper end of screw rod extends the upside of fixed block and the rigid coupling has the knob.
Through adopting above-mentioned technical scheme, the during operation rotates the knob and can drives the screw rod and descend or rise to can drive the valve plate and descend to seal the intercommunicating pore or rise to and open the intercommunicating pore, adapt to different user demands.
The utility model discloses further set up to: the fixed block is provided with a cover plate capable of sealing the accommodating groove corresponding to the upper side of the accommodating groove.
Through adopting above-mentioned technical scheme, the apron through adopting can seal the storage tank, and the location of the movable block is guaranteed in the separation from the storage tank of avoiding the movable block that can be further.
The utility model discloses further set up to: one side of the cover plate is hinged to the fixing block, and the other side of the cover plate is connected to the fixing block in a buckling mode.
By adopting the technical scheme, the cover plate can be conveniently closed or opened.
The utility model discloses further set up to: the filter structure is characterized in that one end of the filter hole of the movable block is provided with a sinking groove with the inner diameter larger than that of the filter hole, a filter screen is inserted into the sinking groove, and a top ring capable of tightly supporting the filter screen is connected into the sinking groove in a threaded manner.
Through adopting above-mentioned technical scheme, when needs are clean or change the filter screen, can directly take out the apical ring from heavy inslot, then take out the filter ring again to make things convenient for the cleanness of filter screen.
To sum up, the utility model discloses a beneficial technological effect does:
1. when the pump body works, liquid can directly enter the filtering holes through the communicating holes of the fixed block, and then enters the liquid inlet and outlet pipe through the communicating holes after being filtered by the filter screen, and then the filtered liquid enters the pump body, so that the diaphragm is prevented from being damaged by impurities, the service life of the pump body is prolonged, in addition, when the filter screen needs to be cleaned or replaced, the movable block is directly taken out, and the filter screen of the filtering holes can be replaced;
2. when the filter screen is used, after the filter screen is replaced or cleaned, the movable block is directly inserted into the accommodating groove, at the moment, the positioning hole of the movable block is positioned at the position of the locking bolt, then, the locking bolt is screwed, and the end part of the bolt can be inserted into the positioning hole of the movable block, so that the movable block can be fixed in the accommodating groove;
3. during the use, the leakproofness of increase movable block in the storage tank that can be further through the sealed pad at movable block both ends reduces the probability of revealing.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the movable block of the present invention.
In the figure, 1, a reciprocating pump body; 11. a pump cover; 12. a liquid flow pipe; 13. a liquid separating pipe; 14. a liquid inlet and outlet pipe; 2. a fixed block; 21. a communicating hole; 22. a containing groove; 23. locking the bolt; 24. a cover plate; 25. a valve plate; 26. a screw; 27. a knob; 3. a movable block; 31. a filtration pore; 32. a gasket; 33. sinking a groove; 34. a filter screen; 35. a top ring; 36. and (7) positioning the holes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a diaphragm pump, including the reciprocating pump body 1, the equal rigid coupling in both ends of the reciprocating pump body 1 has pump cover 11, and the equal vertical rigid coupling in upper and lower both sides of pump cover 11 has flow liquid pipe 12, all is connected with between upside two flow liquid pipe 12 and the downside two flow liquid pipe 12 and divides liquid pipe 13, divides the equal rigid coupling in middle part of liquid pipe 13 to have the business turn over liquid pipe 14 with dividing liquid pipe 13 coaxial line.
Referring to fig. 1 and 2, a fixed block 2 is connected to an outer end of the liquid inlet and outlet pipe 14, a communication hole 21 is formed in the fixed block 2, the communication hole 21 is communicated with the liquid inlet and outlet pipe 14, an accommodating groove 22 is formed in an upper side of the fixed block 2, a length direction of the accommodating groove 22 is the same as a length direction of the communication hole 21, a movable block 3 is inserted in the accommodating groove 22, the length direction of the movable block 3 is the same as the length direction of the accommodating groove 22, a filtering hole 31 having the length direction being the same as the length direction of the communication hole 21 is formed in the movable block 3, after the movable block 3 is inserted in the accommodating groove 22, the filtering hole 31 of the movable block 3 is communicated with the communication hole 21 of the fixed block 2, sealing gaskets 32 are further fixedly connected to two ends of the movable block 3, and after the movable block 3 is inserted. During the use, insert movable block 3 and locate in the storage tank 22 of fixed block 2, this filtration hole 31 of fixed block 2 will communicate with the intercommunicating pore 21 of fixed block 2, in operation, liquid can directly get into filtration hole 31 through the intercommunicating pore 21 of fixed block 2, it gets into drain pipe 14 to pass through intercommunicating pore 21 after filter screen 34 filters, then will get into the pump body through filterable liquid, avoid pump body during operation, receive impurity damage diaphragm, the life of the extension pump body, in addition, when needs are clean or change filter screen 34, directly take out movable block 3, it can to filter the filter screen 34 of hole 31 and change.
One end of the filtering hole 31 is provided with a sinking groove 33 with the inner diameter larger than that of the filtering hole 31, a filtering net 34 is inserted in the sinking groove 33, and a top ring 35 capable of tightly supporting the filtering net 34 is connected in the sinking groove 33 in a threaded manner. When the filter screen 34 needs to be cleaned or replaced, the top ring 35 can be directly taken out of the sink 33, and then the filter ring is taken out, so that the filter screen 34 is convenient to clean.
Still be provided with on the fixed block 2 and realize the fixed positioning mechanism of movable block 3, positioning mechanism includes threaded connection in the locking bolt 23 of fixed block 2 one side, and locating hole 36 has still been seted up to one side of movable block 3, inserts movable block 3 and locates the back in the storage tank 22, screws up locking bolt 23 and can make the tip of locking bolt 23 insert the locating hole 36 of locating movable block 3. When the filter screen is used, after the filter screen 34 is replaced or cleaned, the movable block 3 is directly inserted into the accommodating groove 22, at this time, the positioning hole 36 of the movable block 3 is located at the position of the locking bolt 23, and then, the locking bolt 23 is screwed, so that the end part of the bolt can be inserted into the positioning hole 36 of the movable block 3, and the movable block 3 can be fixed in the accommodating groove 22. The fixed block 2 is further provided with a cover plate 24 corresponding to the upper side of the accommodating groove 22, one side of the cover plate 24 is hinged to the fixed block 2, and the other side of the cover plate 24 is connected to the fixed block 2 in a buckling mode. The cover plate 24 can close the containing groove 22, so that the movable block 3 can be further prevented from being separated from the containing groove 22.
The fixed block 2 corresponds still equal vertical sliding connection valve plate 25 in the through-hole at storage tank 22 both ends, and the vertical direction valve plate 25 that slides down can seal the intercommunicating pore 21, and the intercommunicating pore 21 can be opened to the valve plate 25 that slides up along the vertical direction, and the upper end of valve plate 25 still rotates and is connected with screw rod 26, and screw rod 26 threaded connection is in fixed block 2, and the upper end of screw rod 26 extends the upside of fixed block 2 and the rigid coupling has knob 27. During operation, the rotary knob 27 can drive the screw rod 26 to descend or ascend, so that the valve plate 25 can be driven to descend to the closed communication hole 21 or ascend to the opened communication hole 21, and different use requirements are met.
The implementation principle of the embodiment is as follows: the movable block 3 is inserted into the containing groove 22 of the fixed block 2, the filtering hole 31 of the fixed block 2 is communicated with the communicating hole 21 of the fixed block 2, when in work, liquid can directly enter the filtering hole 31 through the communicating hole 21 of the fixed block 2, and then enter the liquid inlet and outlet pipe 14 through the communicating hole 21 after being filtered by the filter screen 34, and then the filtered liquid enters the pump body, so that the diaphragm is prevented from being damaged by impurities when the pump body works, the service life of the pump body is prolonged, in addition, when the filter screen 34 needs to be cleaned or replaced, the movable block 3 is directly taken out, the filter screen 34 of the filtering hole 31 is replaced, after the filter screen 34 is replaced or cleaned, the movable block 3 is directly inserted into the containing groove 22, at the moment, the positioning hole 36 of the movable block 3 is positioned at the position of the locking bolt 23, then the locking bolt 23 is screwed, and the end part of the bolt can be inserted, so that the fixing of the movable block 3 in the accommodating groove 22 can be completed.
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 (7)
1. The utility model provides a diaphragm pump, includes reciprocal pump body (1), the equal rigid coupling in both ends of the reciprocal pump body (1) has pump cover (11), the equal vertical rigid coupling in upper and lower both sides of pump cover (11) has liquid flow pipe (12), and the two liquid flow pipes of upside (12) and downside all are connected with between liquid flow pipe (12) and divide liquid pipe (13), the equal rigid coupling in middle part of dividing liquid pipe (13) has and divides liquid pipe (13) the liquid inlet and outlet pipe (14) of coaxial line, its characterized in that: the outer end of advancing drain pipe (14) is connected with fixed block (2), offer intercommunicating pore (21) with advancing drain pipe (14) intercommunication in fixed block (2), storage tank (22) have still been seted up to one side of fixed block (2), movable block (3) have been inserted in storage tank (22), the interior division of movable block (3) is equipped with filtration hole (31) that can communicate with intercommunicating pore (21), be provided with filter screen (34) in filtration hole (31), still be provided with on fixed block (2) and realize the fixed positioning mechanism of movable block (3).
2. A diaphragm pump according to claim 1, wherein: the positioning mechanism comprises a locking bolt (23) which is in threaded connection with one side of the fixed block (2), and a positioning hole (36) which can be used for inserting the end part of the locking bolt (23) is further formed in one side of the movable block (3).
3. A diaphragm pump according to claim 1, wherein: the length direction of the movable block (3) is the same as that of the filtering hole (31), and the two ends of the movable block (3) are fixedly connected with sealing gaskets (32) which can abut against the containing groove (22).
4. A diaphragm pump according to claim 1, wherein: fixed block (2) correspond in the through-hole at storage tank (22) both ends equal vertical sliding be connected with valve plate (25) that can seal or open intercommunicating pore (21), the upper end of valve plate (25) is still rotated and is connected with screw rod (26) of threaded connection in fixed block (2), the upper end of screw rod (26) extends the upside of fixed block (2) and the rigid coupling has knob (27).
5. A diaphragm pump according to claim 1, wherein: the upper side of the fixed block (2) corresponding to the containing groove (22) is also provided with a cover plate (24) capable of sealing the containing groove (22).
6. A diaphragm pump according to claim 5, wherein: one side of the cover plate (24) is hinged to the fixing block (2), and the other side of the cover plate is connected to the fixing block (2) in a snap-fit mode.
7. A diaphragm pump according to claim 1, wherein: filter hole (31) one end of movable block (3) is seted up the heavy groove (33) that the internal diameter is greater than filter hole (31) internal diameter, heavy groove (33) interpolation is equipped with filter screen (34), it has apical ring (35) that can push up tight filter screen (34) to go back threaded connection in heavy groove (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922391266.4U CN211370689U (en) | 2019-12-24 | 2019-12-24 | Diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922391266.4U CN211370689U (en) | 2019-12-24 | 2019-12-24 | Diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211370689U true CN211370689U (en) | 2020-08-28 |
Family
ID=72153696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922391266.4U Expired - Fee Related CN211370689U (en) | 2019-12-24 | 2019-12-24 | Diaphragm pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211370689U (en) |
-
2019
- 2019-12-24 CN CN201922391266.4U patent/CN211370689U/en not_active Expired - Fee Related
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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 |