CN210686246U - Pneumatic diaphragm pump convenient to installation switching-over valve - Google Patents
Pneumatic diaphragm pump convenient to installation switching-over valve Download PDFInfo
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- CN210686246U CN210686246U CN201920935377.4U CN201920935377U CN210686246U CN 210686246 U CN210686246 U CN 210686246U CN 201920935377 U CN201920935377 U CN 201920935377U CN 210686246 U CN210686246 U CN 210686246U
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- 238000009434 installation Methods 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 230000002146 bilateral effect Effects 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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Abstract
The utility model discloses a pneumatic diaphragm pump convenient to installation switching-over valve, the on-line screen storage device comprises a base, a pump body, two shells and a footstock, bilateral symmetry's circular slot has been seted up on the top of base, the top of circular slot is equipped with the sealing washer, the inner chamber of circular slot is equipped with second diaphragm ball and fixed frame, second diaphragm ball is located the inner chamber of fixed frame, one side of base is equipped with the second connecting pipe that communicates with two circular slots, the bottom fixed connection of base and the pump body, the both sides of the pump body respectively with two shell fixed connection, the middle part fixed mounting of one of them shell has the switching-over valve, the switching-over valve is installed to the inner chamber of switching-over valve, the centre bore has been seted up at the middle part of the pump body, the inner chamber of centre bore is equipped with the screw rod, the screw rod. The utility model discloses be convenient for install the pump body with the switching-over valve on, saved a large amount of time, improved the installation effectiveness of switching-over valve.
Description
Technical Field
The utility model relates to a pneumatic diaphragm pump specifically is a pneumatic diaphragm pump convenient to installation switching-over valve.
Background
The pneumatic diaphragm pump is a new type of conveying machinery, and adopts compressed air as power source, and can pump out and suck up various corrosive liquids, liquids with particles, high viscosity, easy volatilization, flammability and strong toxicity.
At present, install the switching-over valve on the pneumatic diaphragm pump, but the switching-over valve is when the installation, and the installation is troublesome, is not convenient for install the switching-over valve on the pneumatic diaphragm pump, can waste a large amount of time, and the installation effectiveness is low. We have therefore improved this and have proposed an air operated diaphragm pump which facilitates the installation of a reversing valve.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a pneumatic diaphragm pump convenient to install switching-over valve, including a base, a pump body, two shells and a footstock, bilateral symmetry's circular slot has been seted up on the top of base, the top of circular slot is equipped with the sealing washer, the inner chamber of circular slot is equipped with second diaphragm ball and fixed frame, second diaphragm ball is located the inner chamber of fixed frame, one side of base is equipped with the second connecting pipe that communicates with two circular slots, the base is connected with the bottom fixed of the pump body, the both sides of the pump body respectively with two shell fixed connections, one of them the middle part fixed mounting of shell has the switching-over valve, the switching-over valve is installed to the inner chamber of switching-over valve, the middle part of the pump body is seted up the centre bore, the inner chamber of centre bore is equipped with the screw rod, the screw rod pass a shell, centre bore and another shell in proper order, and the end and, four connecting holes that communicate with the pump body left and right sides are all seted up on the bottom of the pump body and the top of the pump body, wherein two the top of connecting hole all is equipped with first diaphragm ball, the bottom and the pump body fixed connection of footstock, the top of footstock is equipped with first connecting pipe, two second through-holes that match with two first diaphragm balls are seted up to the bottom of footstock, fixed establishment fixedly connected with connection pad is passed through on the top of first connecting pipe.
As an optimal technical scheme of the utility model, the switching-over valve surface is provided with pressure hydraulic fluid port and four scavenge ports, and the inside of switching-over valve is provided with the switching-over valve rod along the axial, form two air flues of independently cutting apart, four between switching-over valve rod and four scavenge ports include two inlet channel and two air outlet channel in the scavenge port, the logical air inlet of passing through hose connection to both side cover plates of giving vent to anger, inlet channel passes through hose connection gas station.
As a preferred technical scheme of the utility model, fixed establishment includes that six arriss turn round, spacing ring, six arriss seal pad and dead lever, the one end of dead lever and the one end fixed connection that six arriss turn round, the fixed cover of spacing ring is connected in the dead lever and is close to the one end that six arriss turn round, the fixed cover of six arriss seal pad is connected on the dead lever, the sealed one end middle part fixedly connected with connecting portion of six arriss, be equipped with the external screw thread on the dead lever, the inner chamber of connecting portion is equipped with the first internal thread with external screw thread engagement.
As a preferred technical scheme of the utility model, the bottom fixedly connected with hexagonal prism of connection pad, the inner chamber of hexagonal prism is established to six arris holes, the spiral sealing washer has been cup jointed on the dead lever, the inner chamber of first connecting pipe is equipped with the second internal thread, external screw thread on the dead lever is connected with the second internal thread meshing on the first connecting pipe, just six sealed pad and six arris holes matching set up.
As a preferred technical scheme of the utility model, six arcs of equidistance and being the annular setting are seted up on the top of connection pad, adjacent two first screw has all been seted up between the arc.
As a preferred technical scheme of the utility model, the top of the pump body is seted up flutedly, wherein two the connecting hole all is located the inner chamber of recess, wherein two the top of connecting hole all link up and is connected with the conical duct, two first diaphragm ball is located two respectively the top of conical duct inner chamber.
As a preferred technical scheme of the utility model, the third screw has all been seted up to four edges of recess inner chamber bottom, first through-hole has all been seted up to four edges of footstock, the pump body passes through first screw fixed connection with the footstock, first screw passes first through-hole and third screw in proper order, and the end of first screw passes through screw thread fixed connection with the third screw.
As an optimal technical scheme of the utility model, four second screws of longitudinal symmetry, two have all been seted up to the both sides of the pump body set up on the shell with the corresponding fourth through-hole of four second screws, the pump body and two through second screw fixed connection between the shell, the second screw passes fourth through-hole and second screw in proper order, and the end of second screw passes through thread fixed connection with the second screw.
As a preferred technical scheme of the utility model, the third through-hole has all been seted up to four edges on base top, the inner chamber of third through-hole be equipped with pump body fixed connection's fifth screw.
As a preferred technical scheme of the utility model, the both sides of the pump body have all been seted up with the draw-in groove, two all be equipped with the fixture block that matches with two draw-in grooves on the shell.
The utility model has the advantages that:
1. according to the pneumatic diaphragm pump convenient for mounting the reversing valve, the reversing valve is mounted on the side face of the pump body and fixed through the screw, then the reversing valve is connected to the air inlets of the two side cover plates through the hose, the mounting and dismounting processes of the reversing valve are simple and easy to operate, the reversing valve is convenient to replace, and the mounting efficiency during replacement or maintenance of the reversing valve is improved.
2. This kind of pneumatic diaphragm pump convenient to installation switching-over valve, the top through first connecting pipe passes through fixed establishment fixedly connected with connection pad, can wear through fixed establishment from the inner chamber of connection pad, utilizes fixed establishment to install connection pad fixed mounting on the footstock, and fixed stability is high, and the leakproofness is good.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a pneumatic diaphragm pump of the present invention, which is convenient for installing a reversing valve;
FIG. 2 is a schematic diagram of a pump body structure of a pneumatic diaphragm pump convenient for installing a reversing valve according to the present invention;
FIG. 3 is a schematic cross-sectional view of an air operated diaphragm pump with a reversing valve easy to install according to the present invention;
FIG. 4 is a schematic view of a top seat structure of a pneumatic diaphragm pump for easy installation of a reversing valve according to the present invention;
FIG. 5 is a schematic view of a base structure of a pneumatic diaphragm pump for easy installation of a directional control valve according to the present invention;
fig. 6 is a schematic structural view of a fixing mechanism of a pneumatic diaphragm pump convenient for installing a reversing valve according to the present invention;
fig. 7 is a schematic structural view of a directional control valve of a pneumatic diaphragm pump convenient for installing the directional control valve.
In the figure: 1. a base; 2. a housing; 3. a pump body; 4. a screw; 5. a top seat; 6. a first through hole; 7. a first connecting pipe; 8. a hexagonal prism; 9. a connecting disc; 901. an arc-shaped slot; 902. a first screw hole; 10. hexagonal holes; 11. a fixing mechanism; 111. six-edge turning; 112. a limiting ring; 113. a hexagonal sealing gasket; 1131. a connecting portion; 114. fixing the rod; 12. a diverter valve; 13. a second connecting pipe; 14. a second screw hole; 15. connecting holes; 16. a central bore; 17. a groove; 18. a first diaphragm ball; 19. a tapered tube; 20. a third screw hole; 21. a card slot; 22. a second through hole; 23. a third through hole; 24. a seal ring; 25. a circular groove; 26. a second diaphragm ball; 27. a fixing frame; 28. a spiral seal ring; 29. a diaphragm.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1-7, the utility model relates to a pneumatic diaphragm pump convenient to installation switching-over valve, including a base 1, a pump body 3, two shells 2 and a footstock 5, bilateral symmetry's circular slot 25 is seted up on the top of base 1, the top of circular slot 25 is equipped with sealing washer 24, the inner chamber of circular slot 25 is equipped with second diaphragm ball 26 and fixed frame 27, second diaphragm ball 26 is located the inner chamber of fixed frame 27, one side of base 1 is equipped with the second connecting pipe 13 with two circular slots 25 intercommunication, the bottom fixed connection of base 1 and the pump body 3, the both sides of the pump body 3 respectively with two shells 2 fixed connection, the middle part fixed mounting of one of them shell 2 has switching-over valve 12, the switching-over valve is installed to the inner chamber of switching-over valve 12, centre bore 16 has been seted up at the middle part of the pump body 3, the inner chamber of centre bore 16 is equipped with screw, Centre bore 16 and another shell 2, and the end and the switching-over valve 12 fixed connection of screw rod 4, four connecting holes 15 with the intercommunication of the pump body 3 left and right sides are all seted up on the bottom of the pump body 3 and the top of the pump body 3, wherein the top of two connecting holes 15 all is equipped with first diaphragm ball 18, the bottom and the pump body 3 fixed connection of footstock 5, the top of footstock 5 is equipped with first connecting pipe 7, two second through-holes 22 that match with two first diaphragm balls 18 are seted up to the bottom of footstock 5, fixed connection has connection pad 9 through fixed establishment 11 fixed connection on the top of first connecting pipe 7.
Wherein, the surface of the reversing valve 12 is provided with a pressure oil port and four scavenge ports, the inside of the reversing valve 12 is provided with a reversing valve rod along the axial direction, two air passages which are independently divided are formed between the reversing valve rod and the four scavenge ports, the four scavenge ports comprise two air inlet channels and two air outlet channels, the air outlet channels are connected to the air inlets of the two side cover plates through hoses, and the air inlet channels are connected with the air station through hoses.
Wherein, the fixing mechanism 11 includes a hexagonal rotary head 111, a limiting ring 112, a hexagonal sealing gasket 113 and a fixing rod 114, one end of the fixing rod 114 is fixedly connected with one end of the hexagonal rotary head 111, the limiting ring 112 is fixedly sleeved at one end of the fixing rod 114 close to the hexagonal rotary head 111, the hexagonal sealing gasket 113 is fixedly sleeved on the fixing rod 114, the setting of the limiting ring 112 prevents the fixing rod 114 from rotating to the inside of the first connecting pipe 7, the hexagonal rotary head 111 is convenient to rotate by a wrench, so that the fixing rod 114 is screwed and unscrewed, the hexagonal sealing gasket 113 plays a sealing role, one end middle part of the hexagonal sealing gasket 113 is fixedly connected with a connecting part 1131, an external thread is arranged on the fixing rod 114, an inner cavity of the connecting part 1131 is provided with a first internal thread engaged with the external thread, the hexagonal sealing gasket 113 is fixedly connected with the fixing rod 114 by a thread, and.
Wherein, the bottom fixedly connected with hexagonal prism 8 of connection pad 9, hexagonal prism 8's inner chamber is established to hexagonal hole 10, spiral sealing ring 28 has been cup jointed on the dead lever 114, the inner chamber of first connecting pipe 7 is equipped with the second internal thread, external screw thread on the dead lever 114 is connected with the second internal thread meshing on the first connecting pipe 7, and the sealed pad 113 of hexagonal and hexagonal hole 10 match the setting, hexagonal hole 10 matches with the sealed pad 113 of hexagonal, prevent the sealed 113 rotation of hexagonal, make dead lever 114 and first connecting pipe 7 pass through thread fixed connection, spiral sealing ring 28's setting makes sealed effect better.
Wherein, six arc wall 901 that the equidistance just is the annular setting are seted up on the top of connection pad 9, have all seted up first screw 902 between two adjacent arc wall 901, and the setting of first screw 902 is convenient for be connected with external flange dish, and six arc wall 901 set up be convenient for with external flange dish joint, prevent that connection pad 9 and external flange dish from rotating.
Wherein, recess 17 has been seted up on the top of the pump body 3, wherein two connecting holes 15 all are located the inner chamber of recess 17, wherein the top of two connecting holes 15 all through connection has a conical tube 19, two first diaphragm balls 18 are located the top of two conical tube 19 inner chambers respectively, the inner chamber of recess 17 is convenient for install footstock 5 to recess 17 in the setting of recess 17, the inner chamber of conical tube 19 is convenient for place first diaphragm ball 18 with conical tube 19 in the setting of conical tube 19, make the sealed effect between first diaphragm ball 18 and the conical tube 19 better.
Wherein, third screw 20 has all been seted up at four edges of recess 17 inner chamber bottom, first through-hole 6 has all been seted up at four edges of footstock 5, the pump body 3 passes through first screw fixed connection with footstock 5, first screw passes first through-hole 6 and third screw 20 in proper order, and the end of first screw passes through screw thread fixed connection with third screw 20, can pass first through-hole 6 with first screw, make first screw and third screw 20 pass through thread engagement, be convenient for with footstock 5 and the 3 fixed connection of the pump body.
Wherein, four second screw holes 14 of longitudinal symmetry are all seted up to the both sides of the pump body 3, set up on two shells 2 with the corresponding fourth through-hole of four second screw holes 14, pass through second screw fixed connection between the pump body 3 and two shells 2, the second screw passes fourth through-hole and second screw hole 14 in proper order, and the end of second screw passes through screw thread fixed connection with second screw hole 14, pass the fourth through-hole with the second screw, and the end and the 14 meshing of second screw are connected, be convenient for install the both sides of the pump body 3 with two shells 2.
Wherein, third through-hole 23 has all been seted up to four edges on base 1 top, and the inner chamber of third through-hole 23 is equipped with the fifth screw with 3 fixed connection of the pump body, is convenient for carry out fixed connection with base 1 and the pump body 3.
Wherein, the both sides of the pump body 3 all seted up with draw-in groove 21, all be equipped with the fixture block that matches with two draw-in grooves 21 on two shells 2, through with fixture block and draw-in groove 21 joint, make the fixed of the pump body 3 and shell 2 more stable, it is more convenient to install.
When the pneumatic diaphragm pump works, a second screw penetrates through the fourth through hole, the tail end of the second screw is meshed with the second screw hole 14, two shells 2 are conveniently installed on two sides of the pump body 3, the screw rod 4 sequentially penetrates through one shell 2, the central hole 16 and the other shell 2, the reversing valve is installed in the inner cavity of the reversing valve 12 through the third screw, the reversing valve 12 is fixedly connected with the tail end of the screw rod 4, the reversing valve is conveniently installed on the shell 2, the base 1 is fixedly connected with the pump body 3 through the fifth screw, the top base 5 is fixedly connected with the pump body 3 through the first screw, finally the fixing rod 114 is inserted into the inner cavity of the hexagonal hole 10, the hexagonal sealing gasket 113 is matched with the hexagonal hole 10, the spiral sealing ring 28 is sleeved on the fixing rod 114, the hexagonal rotary head 111 is rotated through a wrench, the fixing rod 114 is fixedly connected with the first connecting pipe 7 through threads, and the pneumatic diaphragm pump is convenient for installing the reversing valve, the reversing valve 12 is arranged on the side face of the pump body and is fixed through screws, then the reversing valve 12 is connected to the air inlets of the two side cover plates 2 through hoses, the mounting and dismounting processes of the reversing valve 12 are simple and easy to operate, the replacement is convenient, and the mounting efficiency when the reversing valve 12 is replaced or maintained is improved; through the top of first connecting pipe through fixed establishment 11 fixedly connected with connection pad 9, can wear through the inner chamber of connection pad 9 with fixed establishment 11, utilize fixed establishment 11 to fix connection pad 9 on footstock 5, fixed stability is high, the leakproofness is good.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a pneumatic diaphragm pump convenient to installation switching-over valve, includes a base (1), a pump body (3), two shells (2) and a footstock (5), its characterized in that, bilateral symmetry's circular slot (25) are seted up on the top of base (1), the top of circular slot (25) is equipped with sealing washer (24), the inner chamber of circular slot (25) is equipped with second diaphragm ball (26) and fixed frame (27), second diaphragm ball (26) are located the inner chamber of fixed frame (27), one side of base (1) is equipped with second connecting pipe (13) with two circular slots (25) intercommunication, the bottom fixed connection of base (1) and pump body (3), the both sides of the pump body (3) respectively with two shell (2) fixed connection, the side of the pump body (3) is provided with switching-over valve (12), switching-over valve (12) pass through the fix with screw on the mounting panel of the side of the pump body (3), a central hole (16) is arranged in the middle of the pump body (3), a screw rod (4) is arranged in the inner cavity of the central hole (16), two ends of the screw rod (4) are respectively connected with two diaphragms (29), the edges of the two diaphragms are clamped between the shell (2) and the pump body (3) and are connected in a sealing way, the bottom end of the pump body (3) and the top end of the pump body (3) are both provided with four connecting holes (15) communicated with the left side and the right side of the pump body (3), wherein the top ends of the two connecting holes (15) are respectively provided with a first diaphragm ball (18), the bottom end of the top seat (5) is fixedly connected with the pump body (3), the top end of the top seat (5) is provided with a first connecting pipe (7), the bottom end of the top seat (5) is provided with two second through holes (22) matched with the two first diaphragm balls (18), the top end of the first connecting pipe (7) is fixedly connected with a connecting disc (9) through a fixing mechanism (11).
2. The air operated diaphragm pump convenient for installing the reversing valve is characterized in that a pressure oil port and four air exchange ports are arranged on the surface of the reversing valve (12), a reversing valve rod is axially arranged inside the reversing valve (12), two independently divided air passages are formed between the reversing valve rod and the four air exchange ports, the four air exchange ports comprise two air inlet passages and two air outlet passages, the air outlet passages are connected to air inlets of two side cover plates through hoses, and the air inlet passages are connected to an air station through hoses.
3. The air operated diaphragm pump convenient for installing the reversing valve is characterized in that the fixing mechanism (11) comprises a hexagonal rotary head (111), a limiting ring (112), a hexagonal sealing gasket (113) and a fixing rod (114), one end of the fixing rod (114) is fixedly connected with one end of the hexagonal rotary head (111), the limiting ring (112) is fixedly sleeved at one end, close to the hexagonal rotary head (111), of the fixing rod (114), the hexagonal sealing gasket (113) is fixedly sleeved on the fixing rod (114), a connecting part (1131) is fixedly connected to the middle of one end of the hexagonal sealing gasket (113), an external thread is arranged on the fixing rod (114), and a first internal thread meshed with the external thread is arranged in an inner cavity of the connecting part (1131).
4. The air operated diaphragm pump convenient for installing the reversing valve is characterized in that a hexagonal prism (8) is fixedly connected to the bottom end of the connecting disc (9), an inner cavity of the hexagonal prism (8) is set to be a hexagonal hole (10), a spiral sealing ring (28) is sleeved on the fixing rod (114), an inner cavity of the first connecting pipe (7) is provided with a second internal thread, an external thread on the fixing rod (114) is meshed with the second internal thread on the first connecting pipe (7), and the hexagonal sealing gasket (113) is arranged in a matching manner with the hexagonal hole (10).
5. The pneumatic diaphragm pump convenient to install the reversing valve is characterized in that six arc-shaped grooves (901) which are arranged in an annular mode and are equidistant are formed in the top end of the connecting disc (9), and a first screw hole (902) is formed between every two adjacent arc-shaped grooves (901).
6. An air operated diaphragm pump convenient for installing a reversing valve according to claim 1, wherein the top end of the pump body (3) is provided with a groove (17), wherein two connecting holes (15) are both positioned in the inner cavity of the groove (17), wherein the top ends of two connecting holes (15) are both connected with a conical tube (19) in a penetrating manner, and two first diaphragm balls (18) are respectively positioned at the top ends of the inner cavities of two conical tubes (19).
7. The pneumatic diaphragm pump convenient to install a reversing valve is characterized in that four corners of the bottom end of the inner cavity of the groove (17) are provided with third screw holes (20), four corners of the top seat (5) are provided with first through holes (6), the pump body (3) is fixedly connected with the top seat (5) through first screws, the first screws sequentially penetrate through the first through holes (6) and the third screw holes (20), and the tail ends of the first screws are fixedly connected with the third screw holes (20) through threads.
8. The pneumatic diaphragm pump convenient to install the reversing valve is characterized in that four second screw holes (14) are formed in two sides of the pump body (3) in an up-down symmetrical mode, fourth through holes corresponding to the four second screw holes (14) are formed in the two shells (2), the pump body (3) is fixedly connected with the two shells (2) through second screws, the second screws sequentially penetrate through the fourth through holes and the second screw holes (14), and the tail ends of the second screws are fixedly connected with the second screw holes (14) through threads.
9. The air operated diaphragm pump convenient for installing the reversing valve according to claim 1, wherein four corners of the top end of the base (1) are provided with third through holes (23), and an inner cavity of each third through hole (23) is provided with a fifth screw fixedly connected with the pump body (3).
10. The pneumatic diaphragm pump convenient for installing the reversing valve is characterized in that clamping grooves (21) are formed in two sides of the pump body (3), and clamping blocks matched with the two clamping grooves (21) are formed in the two shells (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920935377.4U CN210686246U (en) | 2019-06-20 | 2019-06-20 | Pneumatic diaphragm pump convenient to installation switching-over valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920935377.4U CN210686246U (en) | 2019-06-20 | 2019-06-20 | Pneumatic diaphragm pump convenient to installation switching-over valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210686246U true CN210686246U (en) | 2020-06-05 |
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ID=70901073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920935377.4U Expired - Fee Related CN210686246U (en) | 2019-06-20 | 2019-06-20 | Pneumatic diaphragm pump convenient to installation switching-over valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210686246U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027735A (en) * | 2021-03-05 | 2021-06-25 | 博朗普特工业设备(苏州)有限公司 | Self-adaptive low-pulsation combined pneumatic diaphragm pump with diaphragm alarm device |
-
2019
- 2019-06-20 CN CN201920935377.4U patent/CN210686246U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027735A (en) * | 2021-03-05 | 2021-06-25 | 博朗普特工业设备(苏州)有限公司 | Self-adaptive low-pulsation combined pneumatic diaphragm pump with diaphragm alarm device |
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Granted publication date: 20200605 |