CN115434919B - Self-priming pump - Google Patents
Self-priming pump Download PDFInfo
- Publication number
- CN115434919B CN115434919B CN202211220594.8A CN202211220594A CN115434919B CN 115434919 B CN115434919 B CN 115434919B CN 202211220594 A CN202211220594 A CN 202211220594A CN 115434919 B CN115434919 B CN 115434919B
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- China
- Prior art keywords
- pump
- driving
- gas
- outlet
- cavity
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 44
- 238000000926 separation method Methods 0.000 claims description 28
- 230000006835 compression Effects 0.000 claims description 21
- 238000007906 compression Methods 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000001179 sorption measurement Methods 0.000 claims description 11
- 230000037452 priming Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000008676 import Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D9/00—Priming; Preventing vapour lock
- F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
- F04D9/043—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock the priming pump being hand operated or of the reciprocating type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The application relates to a self-priming pump, which relates to the technical field of water pumps and comprises a pump body, wherein a pump cavity is arranged in the pump body, an air pressure regulating device is arranged in the pump cavity, an inlet and an outlet are also arranged on the pump body, the inlet and the outlet are both communicated with the pump cavity, one-way valves are arranged at the inlet and the outlet, the one-way valve at the inlet is conducted unidirectionally from the outside to the pump cavity, the one-way valve at the outlet is conducted unidirectionally from the pump cavity to the outside, and the air pressure regulating device is used for periodically reducing and increasing the air pressure in the pump cavity. The application has the advantage of being capable of starting without water.
Description
Technical Field
The application relates to the technical field of water pumps, in particular to a self-priming pump.
Background
The self-priming pump has the advantages of compact structure, convenient operation, stable operation, high efficiency, long service life, stronger self-priming capability and the like, and is widely applied to the fields of petrochemical industry, agricultural irrigation, urban environmental protection and the like. In use, the self-priming pump started for the first time needs to be irrigated, so that the starting time is greatly prolonged, and the working efficiency of the self-priming pump is severely restricted. If the mode of adopting external auxiliary pump is with the gas discharge in the self priming pump, not only can cause great noise, make whole unit transportation difficulty moreover, reduced holistic mobility to two motor at least match, increased the energy consumption.
Disclosure of Invention
In view of the shortcomings of the prior art, one of the objects of the present application is to provide a self-priming pump that has the advantage of being capable of anhydrous start.
The above object of the present application is achieved by the following technical solutions:
the utility model provides a self priming pump, includes the pump body, the pump body in be equipped with the pump chamber, the pump intracavity be equipped with atmospheric pressure adjusting device, the pump body on still be equipped with import and export, the import with the export all with the pump chamber be linked together, the import with exit all be equipped with the check valve, the check valve of import department by external to the unidirectional conduction of pump chamber, the check valve of exit by the unidirectional conduction of pump chamber to external, atmospheric pressure adjusting device be used for making the periodic reduction and the increase of pump intracavity atmospheric pressure.
Through adopting above-mentioned technical scheme, in use, the import is linked together through pipeline and external water source, under the effect of atmospheric pressure adjusting device, the periodic reduction of atmospheric pressure and the increase in pump chamber, in this process, when the atmospheric pressure in the pump chamber reduces, the check valve of import department is opened, the gas in the pipeline can get into the pump chamber, external water source can get into in the pipeline under the effect of atmospheric pressure, when the atmospheric pressure in the pump chamber increases, the check valve of import department is closed, the check valve of exit is opened, the gas in the pump chamber is discharged from the export, consequently, when the periodic reduction of atmospheric pressure in the pump chamber and the increase, can realize the evacuation to gas and the suction to external liquid, thereby realize anhydrous start.
The present application may be further configured in a preferred example to: the air pressure adjusting device comprises a driving assembly and a compression piece, the compression piece comprises a compression pipeline and a reciprocating piston, the outer surface of the reciprocating piston is attached to the inner surface of the compression pipeline, the compression pipeline is communicated with the pump cavity, and the driving assembly is used for driving the reciprocating piston to axially reciprocate along the compression pipeline.
By adopting the technical scheme, namely when the reciprocating piston moves reciprocally in use, the purpose of sucking the gas in the pump cavity can be realized.
The present application may be further configured in a preferred example to: the driving assembly comprises a transmission rod and a driving piece, one end of the transmission rod is connected with the reciprocating piston, the other end of the transmission rod is connected with the driving piece, and the driving piece drives the transmission rod to move so as to drive the reciprocating piston to reciprocate.
By adopting the technical scheme, in use, the driving piece drives the transmission rod to move, so that the purpose of driving the reciprocating piston to move is achieved.
The present application may be further configured in a preferred example to: the driving piece comprises a driving wheel and a driving rod, one end of the driving rod is fixedly connected with a rotating shaft of the driving wheel, the other end of the driving rod is hinged with the transmission rod, and the other end of the transmission rod is hinged with the reciprocating piston.
Through adopting above-mentioned technical scheme, when the drive wheel takes place to rotate, can drive the actuating lever and rotate, because the one end of actuating lever is articulated mutually with the axis of rotation of drive wheel, and the other end is articulated mutually with the transfer line, consequently can reach the purpose that drives the reciprocating motion of transfer line.
The present application may be further configured in a preferred example to: the pump body is also provided with a gas-liquid separation chamber, and the gas-liquid separation chamber is communicated with the outlet.
Through adopting above-mentioned technical scheme, in use promptly, gas-liquid mixture can get into the gas-liquid separation indoor, and then plays better gas-liquid separation effect.
The present application may be further configured in a preferred example to: an air outlet pipe is arranged in the gas-liquid separation chamber, one end of the air outlet pipe extends out of the gas-liquid separation chamber, and the other end of the air outlet pipe is communicated with the gas-liquid separation chamber.
Through adopting above-mentioned technical scheme, when using, gas can be followed the outlet duct and discharged to reduce gas content.
The present application may be further configured in a preferred example to: and an adsorption pad is arranged in the gas-liquid separation chamber and is positioned below the gas outlet pipe.
Through adopting above-mentioned technical scheme, the existence of adsorption pad for at the initial stage of operation, the liquid in the gas-liquid mixture can be adsorbed by adsorption pad, and then can reduce in the exhaust gas in the outlet duct from the outlet duct, the content of liquid.
The present application may be further configured in a preferred example to: the gas-liquid separation chamber in still be equipped with the centrifuging tube, the one end of centrifuging tube with the export be linked together, the centrifuging tube be spiral winding on the outlet duct.
By adopting the technical scheme, namely in use, under the action of centrifugal force, the separation effect of liquid and gas is better.
The present application may be further configured in a preferred example to: the tail end of the centrifugal tube is positioned below the air outlet pipe.
By adopting the technical scheme, in use, gas is more easily discharged from the gas outlet pipe.
The present application may be further configured in a preferred example to: the air pressure adjusting device comprises an adjusting ring, the adjusting ring is connected with the inner wall of the pump cavity to form an installation cavity, the driving piece is installed in the installation cavity, at least two groups of compression assemblies are arranged, one end of each compression pipeline is communicated with the pump cavity, and the other end of each compression pipeline is communicated with the installation cavity.
Through adopting above-mentioned technical scheme, when using, the existence of two sets of compression components can make the atmospheric pressure regulation effect to the pump intracavity better.
Drawings
Fig. 1 is a schematic diagram of the structure of the present application.
FIG. 2 is a schematic view of the air pressure adjusting device of the present application.
Reference numerals: 1. a pump body; 11. a pump chamber; 12. an inlet; 13. an outlet; 14. a one-way valve; 2. an air pressure adjusting device; 21. a compression member; 211. compressing the pipeline; 212. a reciprocating piston; 22. a drive assembly; 221. a driving wheel; 222. a driving rod; 223. a transmission rod; 23. an adjusting ring; 24. a mounting cavity; 3. a communicating flow passage; 4. a gas-liquid separation chamber; 41. an air outlet pipe; 42. centrifuging tube; 43. and (5) an adsorption pad.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the self-priming pump disclosed by the application comprises a pump body 1, wherein a pump cavity 11, an inlet 12 and an outlet 13 are arranged on the pump body 1, the inlet 12 and the outlet 13 are both communicated with the pump cavity 11, one-way valves 14 are arranged at the inlet 12 and the outlet 13, the one-way valve 14 at the inlet 12 is conducted unidirectionally from the outside to the pump cavity 11, and the one-way valve 14 at the outlet 13 is conducted unidirectionally from the pump cavity 11 to the outside.
The pump chamber 11 is also internally provided with an air pressure regulating device 2 for periodically reducing and increasing the air pressure in the pump chamber 11, the air pressure regulating device 2 comprises a driving component 22, a regulating ring 23 and a compression piece 21, the regulating ring 23 is positioned in the pump chamber 11 and is connected with the inner wall of the pump chamber 11 to form a mounting chamber 24, and the mounting chamber 24 can be communicated with the outside through a hole. The compressing members 21 are four groups and are circumferentially arranged on the adjusting ring 23, and the driving assembly 22 is also four groups and corresponds to the four groups of compressing members 21 one by one.
The compression member 21 includes a compression pipe 211 and a reciprocating piston 212, the compression pipe 211 and the adjusting ring 23 are fixedly connected and penetrate the adjusting ring 23 to communicate the installation cavity 24 and the pump cavity 11, and the reciprocating piston 212 is located in the compression pipe 211 and is attached to the inner wall of the compression pipe 211 to form a sealing structure.
The driving assembly 22 comprises a driving member and a transmission rod 223, the driving member comprises a driving wheel 221 and a driving rod 222, the driving wheel 221 is fixedly connected with a rotation shaft, one end of the driving rod 222 is fixedly connected with the rotation shaft of the driving wheel 221, the other end of the driving rod is hinged with the transmission rod 223, in another embodiment, one end of the driving rod 222 can also be hinged with the driving wheel 221, and the other end of the driving rod 222 is hinged with the driving rod 222. The other end of the driving rod 223 is hinged with the reciprocating piston 212. In this embodiment, the driving wheels 221 are gears, and the driving wheels 221 of the four sets of driving assemblies 22 are all located in the mounting cavity 24 and are arranged in a rectangular shape, and adjacent driving wheels 221 are meshed with each other. The rotation shaft of a driving wheel 221 is connected to an external motor. Referring to fig. 2, in the present application, the rotation shaft of the driving wheel 221 in the upper left corner is connected to and driven to rotate by an external motor.
The pump body 1 is also provided with a gas-liquid separation chamber 4 and a communication flow channel 3, one end of the communication flow channel 3 is communicated with an outlet 13, and the other end of the communication flow channel is communicated with the gas-liquid separation chamber 4. The gas-liquid separation chamber 4 is internally provided with a gas outlet pipe 41, the lower end of the gas outlet pipe 41 is positioned in the gas-liquid separation chamber 4, and the upper end of the gas outlet pipe extends out of the gas-liquid separation chamber 4. The gas-liquid separation chamber 4 is internally provided with a centrifugal tube 42, the centrifugal tube 42 is spirally wound on the air outlet tube 41, the head end of the centrifugal tube 42 is communicated with the communication flow channel 3, and the tail end of the centrifugal tube is positioned below the air outlet tube 41. I.e. the communication flow channel 3 is in communication with the gas-liquid separation chamber 4 via the centrifuge tube 42. An adsorption pad 43 is also arranged in the gas-liquid separation chamber 4, and the adsorption pad 43 is positioned below the tail end of the centrifuge tube 42. The absorbent pad 43 is made of cotton or other materials having water absorbing properties. The adsorption pad 43 is fixedly installed in the gas-liquid separation chamber 4.
The implementation principle of the embodiment is as follows: when in use, the external motor drives the rotation shaft of one driving wheel 221 to rotate, because the rotation shaft is rotationally connected with the driving wheel 221, and because the four driving wheels 221 are in rectangular arrangement, the adjacent driving wheels 221 are mutually meshed through teeth, so that the four driving wheels 221 can all rotate, in the process of rotating the driving wheels 221, the driving rod 222 is driven to rotate, thereby driving the transmission rod 223 to move, thereby driving the reciprocating piston 212 to move along the compression pipeline 211, when the reciprocating piston 212 moves to the side close to the driving wheels 221, the pressure in the pump cavity 11 is reduced, at the moment, the air pressure in the pipeline connected with the inlet 12 is greater than the air pressure in the pump cavity 11, the one-way valve 14 at the inlet 12 is conducted under the action of the pressure, the air in the pipeline connected with the inlet 12 enters the pump cavity 11, the water at the water source enters the pipeline connected with the inlet 12, when the reciprocating piston 212 moves to the side far away from the driving wheel 221, the pressure in the pump cavity 11 is increased and is greater than the pressure at the connection of the outlet 13 and the outside, so that the one-way valve 14 at the outlet 13 is conducted, at the same time, the one-way valve 14 at the inlet 12 is closed, so that the gas in the pump cavity 11 is discharged from the outlet 13, so that the gas in the pump cavity 11 and the gas in the pipeline communicated with the inlet 12 can be discharged and the liquid in the outside water source can be pumped into the pump cavity 11 in the reciprocating movement process of the reciprocating piston 212, and in the pumping process, the stage of mixing the gas and the liquid exists, in which the gas-liquid mixture enters into the communicating flow channel 3 through the one-way valve 14 at the outlet 13 and enters into the centrifugal tube 42 through the communicating flow channel 3, and the liquid in the gas-liquid mixture passing through the centrifugal tube 42 can be under the action of centrifugal force due to the spiral arrangement of the centrifugal tube 42, the centrifugal force applied to the liquid is greater than that of the gas, so that separation of the gas and the liquid is realized, when the liquid is discharged from the centrifugal tube 42, a certain speed exists, when the liquid is in contact with the adsorption pad 43, the liquid can be adsorbed by the adsorption pad 43, so that the liquid discharged from the exhaust pipe is reduced, when an external motor stops running, the driving wheel 221 loses power, rotation is stopped, the pressure at the inlet 12 and the pressure in the pump cavity 11 are balanced, the pressure at the outlet 13 and the pressure in the pump cavity 11 are balanced, at the moment, the check valves 14 at the inlet 12 and the outlet 13 are in a closed state, and the pump cavity 11 is filled with the liquid, so that the damage caused by water hammer during shutdown can be effectively reduced, the service life of the pump is prolonged, and when the external motor stops running, the external motor can directly enter the normal running working condition, and the working efficiency is remarkably improved.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (6)
1. A self priming pump, characterized in that: the air pressure regulating device comprises a pump body (1), wherein a pump cavity (11) is arranged in the pump body (1), an air pressure regulating device (2) is arranged in the pump cavity (11), an inlet (12) and an outlet (13) are further arranged on the pump body (1), the inlet (12) and the outlet (13) are communicated with the pump cavity (11), check valves (14) are arranged at the inlet (12) and the outlet (13), the check valves (14) at the inlet (12) are conducted unidirectionally from the outside to the pump cavity (11), the check valves (14) at the outlet (13) are conducted unidirectionally from the pump cavity (11) to the outside, and the air pressure regulating device (2) is used for periodically reducing and increasing the air pressure in the pump cavity (11); the air pressure regulating device (2) comprises a driving assembly (22) and a compressing piece (21), the compressing piece (21) comprises a compressing pipeline (211) and a reciprocating piston (212), the outer surface of the reciprocating piston (212) is attached to the inner surface of the compressing pipeline (211), the compressing pipeline (211) is communicated with the pump cavity (11), and the driving assembly (22) is used for driving the reciprocating piston (212) to reciprocate along the axial direction of the compressing pipeline (211); the driving assembly (22) comprises a transmission rod (223) and a driving piece, one end of the transmission rod (223) is connected with the reciprocating piston (212), the other end of the transmission rod is connected with the driving piece, and the driving piece drives the transmission rod (223) to move so as to drive the reciprocating piston (212) to reciprocate; the driving piece comprises a driving wheel (221) and a driving rod (222), one end of the driving rod (222) is fixedly connected with a rotating shaft of the driving wheel (221), the other end of the driving rod is hinged with the transmission rod (223), and the other end of the transmission rod (223) is hinged with the reciprocating piston (212); the air pressure adjusting device (2) comprises an adjusting ring (23), the adjusting ring (23) is connected with the inner wall of the pump cavity (11) and forms an installation cavity (24), the driving part is installed in the installation cavity (24), at least two groups of compression parts are arranged, one end of each compression pipeline (211) is communicated with the pump cavity (11), and the other end of each compression pipeline is communicated with the installation cavity (24).
2. A self priming pump as claimed in claim 1, wherein: the pump body (1) is also provided with a gas-liquid separation chamber (4), and the gas-liquid separation chamber (4) is communicated with the outlet (13).
3. A self priming pump as claimed in claim 2, wherein: an air outlet pipe (41) is arranged in the gas-liquid separation chamber (4), one end of the air outlet pipe (41) extends out of the gas-liquid separation chamber (4), and the other end of the air outlet pipe is communicated with the gas-liquid separation chamber (4).
4. A self priming pump as claimed in claim 3, wherein: an adsorption pad (43) is also arranged in the gas-liquid separation chamber (4), and the adsorption pad (43) is positioned below the gas outlet pipe (41).
5. A self priming pump as claimed in claim 3, wherein: the gas-liquid separation chamber (4) is internally provided with a centrifugal tube (42), one end of the centrifugal tube (42) is communicated with the outlet (13), and the centrifugal tube (42) is spirally wound on the air outlet tube (41).
6. A self priming pump as claimed in claim 5, wherein: the tail end of the centrifugal tube (42) is positioned below the air outlet tube (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211220594.8A CN115434919B (en) | 2022-10-08 | 2022-10-08 | Self-priming pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211220594.8A CN115434919B (en) | 2022-10-08 | 2022-10-08 | Self-priming pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115434919A CN115434919A (en) | 2022-12-06 |
| CN115434919B true CN115434919B (en) | 2023-11-10 |
Family
ID=84251934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211220594.8A Active CN115434919B (en) | 2022-10-08 | 2022-10-08 | Self-priming pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115434919B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4614480A (en) * | 1984-02-06 | 1986-09-30 | Hardison John C | Liquid pumping system |
| CN202500780U (en) * | 2012-03-29 | 2012-10-24 | 浙江金飞车辆配件制造有限公司 | Single-impeller self-priming type high-pressure pump |
| CN206246348U (en) * | 2016-11-25 | 2017-06-13 | 浙江工业大学 | A kind of self-priming apparatus for the linkage of horizontal pump end main shaft |
| CN206513581U (en) * | 2016-12-30 | 2017-09-22 | 上海中球泵业有限公司 | A kind of self-priming double-suction type self priming pump |
| CN110219808A (en) * | 2019-07-25 | 2019-09-10 | 安徽阿莫斯流体技术有限公司 | A kind of self priming centrifugal pump handling gas-liquid mixed media |
| CN211259032U (en) * | 2019-12-26 | 2020-08-14 | 江苏盐邦泵业制造有限公司 | Intelligent efficient self-sucking pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020125805A1 (en) * | 2020-10-02 | 2022-04-07 | Frideco Ag | Pump system and method of operating a pump system |
-
2022
- 2022-10-08 CN CN202211220594.8A patent/CN115434919B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4614480A (en) * | 1984-02-06 | 1986-09-30 | Hardison John C | Liquid pumping system |
| CN202500780U (en) * | 2012-03-29 | 2012-10-24 | 浙江金飞车辆配件制造有限公司 | Single-impeller self-priming type high-pressure pump |
| CN206246348U (en) * | 2016-11-25 | 2017-06-13 | 浙江工业大学 | A kind of self-priming apparatus for the linkage of horizontal pump end main shaft |
| CN206513581U (en) * | 2016-12-30 | 2017-09-22 | 上海中球泵业有限公司 | A kind of self-priming double-suction type self priming pump |
| CN110219808A (en) * | 2019-07-25 | 2019-09-10 | 安徽阿莫斯流体技术有限公司 | A kind of self priming centrifugal pump handling gas-liquid mixed media |
| CN211259032U (en) * | 2019-12-26 | 2020-08-14 | 江苏盐邦泵业制造有限公司 | Intelligent efficient self-sucking pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115434919A (en) | 2022-12-06 |
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