CN202091194U - High-pressure pump with flow regulating valve - Google Patents
High-pressure pump with flow regulating valve Download PDFInfo
- Publication number
- CN202091194U CN202091194U CN2011202029044U CN201120202904U CN202091194U CN 202091194 U CN202091194 U CN 202091194U CN 2011202029044 U CN2011202029044 U CN 2011202029044U CN 201120202904 U CN201120202904 U CN 201120202904U CN 202091194 U CN202091194 U CN 202091194U
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- graphite
- pump
- pump housing
- rotor
- flow control
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- Expired - Fee Related
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Abstract
The utility model relates to a high-pressure pump with a flow regulating valve, which comprises a pump body provided with a water inlet and a water outlet which are arranged in parallel. The pump body is provided with the flow regulating valve which comprises a valve core, an adjusting piece and a spring. A through cavity used for communicating the water inlet and the water outlet is arranged on the pump body between the water inlet and the water outlet, the valve core is arranged in the through cavity, a cavity is arranged on one side of the water inlet corresponding to the other side of the water inlet communicated with the through cavity, and the adjusting piece is in linkage connection with the valve core through the spring to regulate flow quantity of the water inlet. A graphite stator is arranged in the pump body, a rotor is arranged in the graphite stator, the rotor is provided with graphite vanes, two sides of the graphite stator is provided with a front graphite bearing and a back graphite bearing, the rotor is connected with a motor through a rotor shaft, the front graphite bearing and the back graphite bearing are arranged in the rotor shaft which is provided with a movable ring, and a static ring in movable sealing fit with the movable ring is correspondingly arranged in a shaft hole of the pump body. Compared with the prior art, the flow regulating valve is arranged at the position of a liquid inlet, convenient to operate and long in service life.
Description
Technical field
The utility model relates to a kind of vane pump, is specifically related to a kind of high-pressure service pump, particularly a kind of high-pressure service pump with flow control valve.
Background technique
The wing pump that place used high in some environmental protection sanitary grades is different from common vane pump, adopts graphite material as forward and backward bearing and stator with blade and rotor both sides, to improve its environmental protection sanitary ability.In the vane pump of existing this environmental protection, great majority do not have flow control valve, have reduced flow rate controllability, give in the using process and make troubles.
For the flow that makes high-pressure service pump controlled, a kind of energy-saving minitype high-pressure service pump is disclosed in the patent No. is the patent documentation of CN20092019007.5, this high-pressure service pump is provided with a flow control valve at liquid outlet, the demand that people control flow has been satisfied in this design, but fluid pressure height because of the outlet port outflow, make troubles for the operation of the modulating valve be located at the outlet port, and the liquid of high pressure is big to the impact of modulating valve, has reduced modulating valve working life.
Summary of the invention
At the deficiency that prior art exists, the purpose of this utility model is to provide a kind of flow control valve is located at the liquid-inlet place, the high-pressure service pump of the band flow control valve of easy to operate and long service life.
For achieving the above object, the utility model provides following technological scheme: a kind of high-pressure service pump with flow control valve, include and be provided with into, the pump housing of water outlet, describedly advance, water outlet is set in parallel on the pump housing, the pump housing is provided with and advances, the pump chamber that water outlet is communicated with, be provided with graphite stator in the pump chamber, be provided with rotor in the graphite stator, before rotor is provided with the graphite vanes that can move radially and graphite stator both sides and is provided with, back graphite bearing, the described pump housing is provided with flow control valve, described flow control valve comprises spool, the spring of adjusting element and connection spool and adjusting element, described rotor is connected with motor by rotor shaft, before described, back graphite bearing is installed on the rotor shaft, on rotor shaft, be provided with rotating ring, the corresponding stationary ring that is provided with in the axis hole of the pump housing, stationary ring constitutes motive sealing with rotating ring and cooperates, it is characterized in that: described water intake is provided with the pump housing between the water outlet and is communicated with into, the cavity of water outlet, described spool is located in this cavity, the opposite side of described water inlet and cavity conducting one side is provided with the cavity of installing for described adjusting element, one end of described adjusting element is connected with spring, and is connected by spring and spool and constitutes Flow-rate adjustment to water intake.
By technique scheme, flow control valve is located on the pump housing of water inlet, has avoided the impact of highly pressurised liquid to regulation valve body, and on the one hand the life-span of having improved modulating valve, the modulating valve operation is more flexible on the other hand.
The utility model further is set to: described adjusting element comprises modulating valve screw and modulating valve nut, and modulating valve screw one end is connected with spring, and the other end is rotary with the modulating valve nut, and the end face of regulating valve cap nut screw terminal and pump housing applying and formation sealing.
By adopting technique scheme, modulating valve is more convenient to operate, and the nut that is provided with, and has avoided dust, liquid etc. to pollute the modulating valve screw, guarantees modulating valve screw cleaning and increases modulating valve working life.
The utility model also further is set to: an end of fitting with the pump housing on the described modulating valve nut is provided with the outer O shape circle of valve.
By adopting technique scheme, the nut and the pump housing are fitted closely, further guaranteed the cleaning of modulating valve, guarantee that the use of modulating valve is reliable.
The utility model also further is set to: the joint of described water intake and pump chamber is provided with slagging channel, be provided with filter screen in the slagging channel, one end of described slagging channel is communicated with water intake, the middle part of described slagging channel is communicated with pump chamber, and the other end of described slagging channel is provided with the filter screen nut.
By adopting technique scheme, filter screen the cleaning liquid that has guaranteed to enter in the pump housing is set, avoid impurity to damage graphite vanes etc., improve the working life of high-pressure service pump, and filter screen is arranged in the slagging channel, be convenient to change filter screen and despumation.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is an embodiment's of the present utility model structure sectional view;
Fig. 2 is an embodiment's of the present utility model A-A sectional view.
The 1-pump housing, 11-water intake, graphite bearing before the 12-water outlet, 13-, graphite bearing behind the 14-, 15-graphite stator, 2-rotor, the 21-rotor bearing, 3-graphite vanes, 4-flow control valve, the 41-spool, 42-spring, 43-modulating valve screw, 44-modulating valve nut, the outer O shape circle of 45-valve, 5-filter screen, 51-filter screen nut, 6-rotating ring, 7-stationary ring.
Embodiment
Referring to accompanying drawing 1, the disclosed a kind of high-pressure service pump of the utility model with flow control valve, include the pump housing 1 that is provided with entery and delivery port 11,12, and entery and delivery port 11,12 is arranged in parallel, and is located on the pump housing 1 and the pump chamber that is communicated with entery and delivery port 11,12 and be located at flow control valve 4 on the pump housing 1; Described flow control valve 4 comprises spool 41, the spring 42 of adjusting element and connection spool 41 and adjusting element, described adjusting element comprises modulating valve screw 43, modulating valve screw 43 1 ends are connected with an end of spring 42, the other end of modulating valve screw 43 is rotary with modulating valve nut 44, an end that is modulating valve screw 43 is provided with screw thread for modulating valve nut 44 screw-ins, the end face of modulating valve nut 44 screw terminals and the pump housing 1 are fitted to constitute and are sealed and matched, seal between the modulating valve nut 44 and the pump housing 1 better in order to make, the end that the described modulating valve nut 44 and the pump housing 1 are fitted is provided with the outer O shape of valve and encloses 45.
Be the impact of the highly pressurised liquid of avoiding the outlet port to flow control valve 4, of the present utility model being set to: described water intake 11 is provided with the pump housing 1 between the water outlet 12 and is communicated with into, water outlet 11,12 cavity, described spool 41 is located in this cavity, the opposite side of described water intake 11 places and cavity conducting one side is provided with the cavity of installing for described modulating valve screw 43, one end of described modulating valve screw 43 is connected with spring 42, and be connected by spring 42 and spool 41 and constitute Flow-rate adjustment water intake 11, an end that is described spring 42 is connected with modulating valve screw 43, and the other end is connected with spool 41.
For the ease of getting rid of the impurity in the pump housing 1, of the present utility modelly further be set to: described water intake 11 is provided with slagging channel with the joint of pump chamber, be provided with filter screen 5 in the slagging channel, one end of described slagging channel is communicated with water intake 11, the middle part of described slagging channel is communicated with pump chamber, the other end of described slagging channel is provided with filter screen nut 51, the end that filter screen nut 51 cooperates with slagging channel is provided with seal ring, this end that is filter screen nut 51 and slagging channel is sealed and matched, and slagging channel is provided with the end sealing of filter screen nut 51; Described filter screen 5 filters the water intake influent, assurance enters the cleaning liquid in the pump chamber, and the contamination precipitation that filters out is at filter screen cap 51 places, when needs clean or change filter screen 5 and get rid of the impurity that precipitates, as long as it is turn on filter screen nut 51, convenient and practical.
Referring to accompanying drawing 2, be provided with graphite stator 15 in the pump chamber, be provided with rotor 2 in the graphite stator 15, rotor 2 is provided with the graphite vanes 3 that can move radially, and the both sides of graphite stator 15 are provided with forward and backward graphite bearing 13,14, and described rotor 2 is connected with motor by rotor shaft 21, described forward and backward graphite bearing 13,14 is installed on the rotor shaft 21, be provided with rotating ring 6 on rotor shaft 21, the corresponding stationary ring 7 that is provided with in the axis hole of the pump housing 1, stationary ring 7 constitute motive sealing with rotating ring 6 and cooperate.
Present embodiment only is used to illustrate model utility, be not to restriction of the present utility model, those skilled in the art can also make corresponding distortion or modification under connotation of the present utility model, so all equivalent embodiments all are in the category of the present utility model.
Claims (4)
1. high-pressure service pump with flow control valve, include and be provided with into, the pump housing of water outlet, describedly advance, water outlet is set in parallel on the pump housing, the pump housing is provided with and advances, the pump chamber that water outlet is communicated with, be provided with graphite stator in the pump chamber, be provided with rotor in the graphite stator, before rotor is provided with the graphite vanes that can move radially and graphite stator both sides and is provided with, back graphite bearing, the described pump housing is provided with flow control valve, described flow control valve comprises spool, the spring of adjusting element and connection spool and adjusting element, described rotor is connected with motor by rotor shaft, before described, back graphite bearing is installed on the rotor shaft, on rotor shaft, be provided with rotating ring, the corresponding stationary ring that is provided with in the axis hole of the pump housing, stationary ring constitutes motive sealing with rotating ring and cooperates, it is characterized in that: described water intake is provided with the pump housing between the water outlet and is communicated with into, the cavity of water outlet, described spool is located in this cavity, the opposite side of described water inlet and cavity conducting one side is provided with the cavity of installing for described adjusting element, one end of described adjusting element is connected with spring, and is connected by spring and spool and constitutes Flow-rate adjustment to water intake.
2. the high-pressure service pump of band flow control valve according to claim 1, it is characterized in that: described adjusting element comprises modulating valve screw and modulating valve nut, modulating valve screw one end is connected with spring, the other end is rotary with the modulating valve nut, and the end face of regulating valve cap nut screw terminal and pump housing applying and formation sealing.
3. the high-pressure service pump of band flow control valve according to claim 2 is characterized in that: an end of fitting with the pump housing on the described modulating valve nut is provided with the outer O shape circle of valve.
4. according to the high-pressure service pump of claim 1 or 2 or 3 described band flow control valves, it is characterized in that: the joint of described water intake and pump chamber is provided with slagging channel, be provided with filter screen in the slagging channel, one end of described slagging channel is communicated with water intake, the middle part of described slagging channel is communicated with pump chamber, and the other end of described slagging channel is provided with the filter screen nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202029044U CN202091194U (en) | 2011-06-16 | 2011-06-16 | High-pressure pump with flow regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202029044U CN202091194U (en) | 2011-06-16 | 2011-06-16 | High-pressure pump with flow regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202091194U true CN202091194U (en) | 2011-12-28 |
Family
ID=45366263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202029044U Expired - Fee Related CN202091194U (en) | 2011-06-16 | 2011-06-16 | High-pressure pump with flow regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202091194U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965450A (en) * | 2017-10-17 | 2018-04-27 | 杭州电子科技大学 | A kind of rotor does not wear clarified water pump |
| CN109555713A (en) * | 2019-01-09 | 2019-04-02 | 浙江维新汽车配件有限公司 | A kind of engine cooling water pump |
| CN113324801A (en) * | 2021-05-29 | 2021-08-31 | 林孔亮 | Sampler for detecting content of two insects in water and sampling method thereof |
-
2011
- 2011-06-16 CN CN2011202029044U patent/CN202091194U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965450A (en) * | 2017-10-17 | 2018-04-27 | 杭州电子科技大学 | A kind of rotor does not wear clarified water pump |
| CN107965450B (en) * | 2017-10-17 | 2023-06-30 | 杭州电子科技大学 | Water purifying pump capable of reducing rotor abrasion |
| CN109555713A (en) * | 2019-01-09 | 2019-04-02 | 浙江维新汽车配件有限公司 | A kind of engine cooling water pump |
| CN113324801A (en) * | 2021-05-29 | 2021-08-31 | 林孔亮 | Sampler for detecting content of two insects in water and sampling method thereof |
| CN113324801B (en) * | 2021-05-29 | 2022-08-19 | 林孔亮 | Sampler for detecting content of two insects in water and sampling method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20130616 |