CN210087585U - Pneumatic diaphragm pump for liquid conveying - Google Patents
Pneumatic diaphragm pump for liquid conveying Download PDFInfo
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- CN210087585U CN210087585U CN201920637625.7U CN201920637625U CN210087585U CN 210087585 U CN210087585 U CN 210087585U CN 201920637625 U CN201920637625 U CN 201920637625U CN 210087585 U CN210087585 U CN 210087585U
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Abstract
The utility model discloses a pneumatic diaphragm pump for liquid transportation, including the front pump body, the back pump body and the central pump body, the front pump body and the back pump body are respectively provided with 2, and are symmetrically arranged on two sides of the central pump body, the front pump body is connected with the back pump body through bolts in the front and back direction, and the back pump body is connected with the central pump body through bolts in the left and right direction; the front pump body is a cube with a through hole inside, a one-way valve is arranged in the through hole of the front pump body, the rear pump body comprises a cavity and a communicating hole I, the central pump body comprises a liquid inlet pipe, a liquid outlet pipe, a diaphragm assembly and a driving device, the driving device drives the diaphragm assembly to reciprocate left and right, and the front pump body is small in size, short in conveying stroke, good in sealing performance and high in conveying efficiency.
Description
Technical Field
The utility model relates to a diaphragm pump technical field, concretely relates to pneumatic diaphragm pump is used in liquid transportation.
Background
The pneumatic diaphragm pump is a novel conveying machine, adopts compressed air as a power source, can pump out light and suck up various corrosive liquids, liquids with particles, high-viscosity, volatile, inflammable and extremely toxic liquids, can be arranged in various special occasions, and is used for pumping media which can not be pumped by various conventional pumps. The existing pneumatic diaphragm pump is generally large in size, the liquid inlet pipe and the liquid outlet pipe are located at the top and the bottom of the pump body, the conveying stroke is long, the conveying efficiency is low, the pneumatic diaphragm pump is troublesome to disassemble and maintain, and the tightness of the pump body can be influenced when the pneumatic diaphragm pump is re-installed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned technical problem that exists in the prior art field, the utility model aims to provide a pneumatic diaphragm pump is used in liquid transportation, small, carry the stroke short, the leakproofness is good, transport efficiency is high.
The utility model provides a pneumatic diaphragm pump for liquid transportation, including the front pump body, the back pump body and the central pump body, the front pump body, the back pump body set up 2 respectively, and the symmetry sets up in the central pump body both sides, the front pump body passes through the bolt with the back pump body and connects from front to back, the back pump body passes through the bolt with the central pump body and connects from left to right; the front pump body is a cube with a through hole inside, a one-way valve is arranged in the through hole of the front pump body, the rear pump body comprises a cavity and a communicating hole I, the center pump body comprises a liquid inlet pipe, a liquid outlet pipe, a diaphragm assembly and a driving device, the driving device drives the diaphragm assembly to reciprocate left and right, the through hole of the front pump body is communicated with the cavity of the rear pump body, and the liquid inlet pipe and the liquid outlet pipe of the center pump body are respectively connected with the through hole of the front pump body through the communicating hole I of the rear pump body.
Further, one side of the preceding pump body is provided with upside hole I, middle side opening I and downside hole I with the through-hole intercommunication, one side of the back pump body be provided with upside hole I, middle side opening I and downside hole I matched with upside hole II, middle side opening II and downside hole II, feed liquor pipe, intercommunicating pore I, upside hole II, upside hole I are linked together, drain pipe, intercommunicating pore I, downside hole II, downside hole I are linked together.
Further, a communicating hole II is formed in the cavity of the rear pump body and communicated with a middle side hole II of the rear pump body.
Furthermore, the check valve of each front pump body is provided with 2, the check valves are respectively positioned at the upper end and the lower end of the through hole, and the end parts of the two ends of the through hole are provided with sealing bolts.
Furthermore, the check valve comprises a valve cover, a valve body, an upper valve core, a lower valve core, a valve seat and valve balls, wherein the valve cover, the valve body, the upper valve core, the lower valve core and the valve seat are connected in a buckling mode, orifices are formed in the bottoms of the upper valve core, the lower valve core and the valve seat, a plurality of circulation holes are formed in the top of the valve cover, the number of the valve balls is 2, and the 2 valve balls are respectively installed in the upper valve core and the lower valve core.
Further, spring seats are arranged in the upper valve core and the lower valve core, and springs are arranged between the spring seats and the valve balls.
Furthermore, O-shaped sealing rings are arranged below the upper valve core and the lower valve core.
Further, one end of the sealing bolt is a solid cylindrical bolt with threads, and the other end of the sealing bolt is a hollow cylinder.
Further, the liquid inlet pipe and the liquid outlet pipe are respectively located on the upper front side face and the lower front side face of the central pump body, a liquid inlet is formed in the middle of the liquid inlet pipe, and a liquid outlet is formed in the middle of the liquid outlet pipe.
The utility model provides a pair of pneumatic diaphragm pump is used in liquid transportation, its beneficial effect is: (1) the pump body of the diaphragm pump is in a cube shape, the liquid inlet pipe and the liquid outlet pipe are arranged on the side surface of the pump body, the structure is compact, the volume is reduced by 1-2 times compared with the existing structure, the conveying stroke is shortened, and the conveying efficiency is improved; (2) the check valve adopts a double-valve ball check valve, the sealing performance is good, in addition, a spring is arranged in the check valve, the installation angle of the pump body can be adjusted at will, and the check valve is suitable for various installation environments; (3) the front pump body of the diaphragm pump is sealed by a sealing bolt, and the diaphragm pump is simple in structure and convenient to detach and maintain.
Drawings
Fig. 1 is an exploded schematic view of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a cross-sectional view B-B of FIG. 2;
FIG. 5 is a schematic view of the structure of the check valve (with spring);
FIG. 6 is a schematic view of the structure of the check valve (without the spring);
fig. 7 is a schematic structural view of a seal bolt.
The figure is marked with: 1. a front pump body; 2. a rear pump body; 3. a central pump body; 11. a through hole; 12. an upper side hole I; 13. a middle side hole I; 14. a lower side hole I; 15. a seal bolt; 16. a one-way valve; 161. a valve cover; 162. a valve body; 163. an upper valve core; 164. a lower valve core; 165. a valve seat; 166. a valve ball; 167. a spring seat; 168. a spring; 169, O-ring seal; 21. a chamber; 22. a communicating hole I; 23. a communicating hole II; 31. a liquid outlet pipe; 32. a liquid inlet pipe; 33. a drive device; 34. a liquid outlet; 35. a liquid inlet; 36. a diaphragm sheet; 37. a connecting rod; 38. a diaphragm mount.
Detailed Description
The present invention provides a pneumatic diaphragm pump for liquid delivery, which is described in detail below with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-4 and fig. 6-7, the pneumatic diaphragm pump for liquid transportation of the present embodiment includes a front pump body 1, a rear pump body 2, and a central pump body 3, wherein the front pump body 1 and the rear pump body 2 are respectively provided with 2 pump bodies, and are symmetrically arranged on two sides of the central pump body 3, the front pump body 1 and the rear pump body 2 are connected front and back by bolts, and the rear pump body 2 and the central pump body 3 are connected left and right by bolts; the front pump body 1 is a cube with a through hole 11 formed in the interior, a one-way valve 16 is arranged in the through hole 11 of the front pump body 1, the rear pump body 2 comprises a cavity 21 and a communication hole I22, the central pump body 3 comprises a liquid inlet pipe 32, a liquid outlet pipe 31, a diaphragm assembly and a driving device 33, the driving device 33 drives the diaphragm assembly to reciprocate left and right, the liquid inlet pipe 32 and the liquid outlet pipe 32 are respectively located on the upper front side and the lower front side of the central pump body 3, a liquid inlet 35 is arranged in the middle of the liquid inlet pipe 32, a liquid outlet 34 is arranged in the middle of the liquid outlet pipe 31, the through hole 11 of the front pump body 1 is communicated with the cavity 21 of the rear pump body 2, and the liquid inlet pipe 32 and the liquid outlet pipe 31 of the central pump body.
The concrete structure of preceding pump body 1 and back pump body 2 does: one side of the front pump body 1 is provided with an upper side hole I12, a middle side hole I13 and a lower side hole I14 which are communicated with the through hole 11, one side of the rear pump body 2 is provided with an upper side hole II, a middle side hole II and a lower side hole II which are matched with the upper side hole I12, the middle side hole I13 and the lower side hole I14, a liquid inlet pipe 32, a communication hole I22, the upper side hole II and the upper side hole I12 are communicated, and a liquid outlet pipe 31, the communication hole I22, the lower side hole II and the lower side hole I14 are communicated; a communicating hole II 23 is arranged in the cavity 21 of the rear pump body 2, and the communicating hole II 23 is communicated with a middle side hole II of the rear pump body 2.
In this embodiment, 2 check valves 16 of each front pump body 1 are respectively disposed at the upper and lower ends of the through hole 11, and the ends of the two ends of the through hole 11 are provided with sealing bolts 15, and the end of the through hole 11 is provided with internal threads matched with the sealing bolts 15.
The specific structure of the check valve 16 is: including valve gap 161, valve body 162, go up case 163, lower case 164, valve seat 165 and valve ball 166, valve gap 161, valve body 162, go up case 163, lower case 164, valve seat 165 are provided with the recess of mutually supporting, and accessible buckle mode is connected, and the bottom of going up case 163, lower case 164, valve seat 165 all is provided with the orifice, and valve gap 161 top is provided with a plurality of through holes, and valve ball 166 sets up 2, and 2 valve balls 166 are installed respectively in last case 163, lower case 164.
In order to enhance the sealing performance of the check valve, O-rings 169 are disposed below the upper valve element 163 and the lower valve element 164.
In order to seal the through hole 11 conveniently, a gap is reserved between the check valve 16 and the sealing bolt 15, the check valve 16 and the upper side hole I12 or the lower side hole I14 are connected smoothly conveniently, the sealing bolt 15 is set to be a solid cylindrical bolt with threads at one end, and the other end of the sealing bolt is a hollow cylinder.
In this embodiment, the driving device 33 and the diaphragm assembly are located inside the central pump body 3, the connecting rod 37 is disposed in the center of the driving device 33, the diaphragm assembly includes 2 diaphragm sheets 36 and diaphragm fixing members 38, the diaphragm sheets 36 are respectively located at two ends of the connecting rod 37 and are fixed by the diaphragm fixing members 38, and two ends of the connecting rod 37 respectively extend into the chambers 21 at two sides, and in the using process, the driving device 33 drives the connecting rod 37 and the diaphragm sheet 36 to reciprocate to continuously transport liquid.
In the present embodiment, the driving device 33 is a component known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art by conventional technical means.
The working principle of the embodiment is as follows: the driving device is started to drive the connecting rod to reciprocate left and right, when the connecting rod drives the diaphragm pump to move to the left, at the moment, the lower one-way valve in the right front pump body is opened, the upper one-way valve in the right front pump body is closed, the lower one-way valve in the left front pump body is closed, the upper one-way valve in the left front pump body is opened, liquid flows into the right front pump body from the liquid inlet pipe through the communicating hole I, the lower hole II and the lower hole I which are communicated, and flows through a one-way valve below the right front pump body, and then enters a right cavity of the rear pump body from a middle side hole I, a middle side hole II and a communicating hole II which are communicated, the liquid in the left side chamber flows into the left side front pump body through the communicating hole II, the middle side hole II and the middle side hole I which are communicated with each other and flows through the one-way valve above the left side front pump body, then flows through the lower side hole I, the lower side hole II and the communicating hole I which are communicated with each other and is discharged from the liquid outlet pipe; when the connecting rod drives the diaphragm pump to move towards the right side, the opposite is achieved. The liquid can be continuously conveyed by the reciprocating motion.
Example 2
Referring to fig. 1 to 5 and fig. 7, the present embodiment differs from embodiment 1 in that: the check valve 16 is provided with a spring seat 167 and a spring 168 inside, that is, the spring seat 167 is provided in the upper valve core 163 and the lower valve core 164, and the spring 168 is provided between the spring seat 167 and the valve ball 166, so that the installation angle of the diaphragm pump can be arbitrarily adjusted when the diaphragm pump is installed.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (9)
1. The utility model provides a liquid is pneumatic diaphragm pump for transport which characterized in that: the pump comprises a front pump body, a rear pump body and a central pump body, wherein the number of the front pump body and the number of the rear pump body are respectively 2, the front pump body and the rear pump body are symmetrically arranged on two sides of the central pump body, the front pump body and the rear pump body are connected in a front-back mode through bolts, and the rear pump body and the central pump body are connected in a left-right mode through bolts; the front pump body is a cube with a through hole inside, a one-way valve is arranged in the through hole of the front pump body, the rear pump body comprises a cavity and a communicating hole I, the center pump body comprises a liquid inlet pipe, a liquid outlet pipe, a diaphragm assembly and a driving device, the driving device drives the diaphragm assembly to reciprocate left and right, the through hole of the front pump body is communicated with the cavity of the rear pump body, and the liquid inlet pipe and the liquid outlet pipe of the center pump body are respectively connected with the through hole of the front pump body through the communicating hole I of the rear pump body.
2. A pneumatic diaphragm pump for liquid delivery according to claim 1, wherein: one side of the preceding pump body is provided with the upside hole I that communicates with the through-hole, middle side opening I and downside hole I, one side of the back pump body be provided with upside hole I, middle side opening I and downside hole I matched with upside hole II, middle side opening II and downside hole II, feed liquor pipe, intercommunicating pore I, upside hole II, upside hole I are linked together, drain pipe, intercommunicating pore I, downside hole II, downside hole I are linked together.
3. A pneumatic diaphragm pump for liquid delivery according to claim 2, wherein: and a communicating hole II is formed in the cavity of the rear pump body and is communicated with a middle side hole II of the rear pump body.
4. A pneumatic diaphragm pump for liquid delivery according to claim 1, wherein: the check valve of each front pump body is provided with 2 check valves which are respectively positioned at the upper end and the lower end of the through hole, and the end parts of the two ends of the through hole are provided with sealing bolts.
5. An air operated diaphragm pump for liquid delivery as set forth in claim 4 wherein: the check valve comprises a valve cover, a valve body, an upper valve core, a lower valve core, a valve seat and valve balls, wherein the valve cover, the valve body, the upper valve core, the lower valve core and the valve seat are connected in a buckling mode, orifices are formed in the bottoms of the upper valve core, the lower valve core and the valve seat, a plurality of circulation holes are formed in the top of the valve cover, the number of the valve balls is 2, and the 2 valve balls are installed in the upper valve core and the lower valve core respectively.
6. An air operated diaphragm pump for liquid delivery as set forth in claim 5 wherein: spring seats are arranged in the upper valve core and the lower valve core, and springs are arranged between the spring seats and the valve balls.
7. An air operated diaphragm pump for liquid delivery as set forth in claim 5 wherein: and O-shaped sealing rings are arranged below the upper valve core and the lower valve core.
8. An air operated diaphragm pump for liquid delivery as set forth in claim 4 wherein: one end of the sealing bolt is a solid cylindrical bolt with threads, and the other end of the sealing bolt is a hollow cylinder.
9. A pneumatic diaphragm pump for liquid delivery according to claim 1, wherein: the liquid inlet pipe and the liquid outlet pipe are respectively positioned on the upper front side face and the lower front side face of the central pump body, a liquid inlet is formed in the middle of the liquid inlet pipe, and a liquid outlet is formed in the middle of the liquid outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920637625.7U CN210087585U (en) | 2019-05-07 | 2019-05-07 | Pneumatic diaphragm pump for liquid conveying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920637625.7U CN210087585U (en) | 2019-05-07 | 2019-05-07 | Pneumatic diaphragm pump for liquid conveying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210087585U true CN210087585U (en) | 2020-02-18 |
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ID=69477040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920637625.7U Active CN210087585U (en) | 2019-05-07 | 2019-05-07 | Pneumatic diaphragm pump for liquid conveying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210087585U (en) |
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2019
- 2019-05-07 CN CN201920637625.7U patent/CN210087585U/en active Active
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