CN201651464U - Automatic constant-current/pressure valve - Google Patents
Automatic constant-current/pressure valve Download PDFInfo
- Publication number
- CN201651464U CN201651464U CN2010201412947U CN201020141294U CN201651464U CN 201651464 U CN201651464 U CN 201651464U CN 2010201412947 U CN2010201412947 U CN 2010201412947U CN 201020141294 U CN201020141294 U CN 201020141294U CN 201651464 U CN201651464 U CN 201651464U
- Authority
- CN
- China
- Prior art keywords
- spring
- piston
- valve
- valve body
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Safety Valves (AREA)
Abstract
The utility model discloses an automatic constant-current/pressure valve for controlling water pressure and current in pipeline, which comprises a valve body, a water inlet and a water outlet, wherein one end of an inner cavity of the valve body is connected with a limit block the middle of which is provided with the water inlet; a piston, a spring, a spring seat and an adjustment rod are sequentially positioned in the inner cavity of the valve body, the piston is positioned between the limit block and the spring, the spring is positioned between the piston and the spring seat, the other side of the spring seat is provided with the adjustment rod, the piston is provided with a water intake hole, the side face of the middle part of the valve body is provided with the water outlet, an outlet of the water intake hole is corresponding to an inner cavity of the spring and the water outlet is communicated with the outer side of the spring, or the outlet of the water intake hole is corresponding to the outer side of the spring and the water outlet is communicated with the inner cavity of the spring. The outer end of the adjustment rod is not provided with the water outlet, facilitating adjustment better and controlling water pressure and current precisely. Fluid in the water inlet is gap-controlled by the spring and then flows into the water outlet, thereby controlling water pressure and current more precisely.
Description
Technical field
The utility model relates to a kind of automatic constant-pressure constant-flow valve that is used for the control of pipeline hydraulic pressure current.
Background technique
The automatic voltage regulation current stabilizer that is used for the control of pipeline hydraulic pressure current at present, though the setting regulatory function is arranged, but when this valve is connected to equipment work, if pressure and flow are too greatly or very little, just need reset pressure and flow, because the water outlet design just is difficult to set adjusting at the center hole of adjusting element, and the phenomenon of waste water resource or source pressure and flow wretched insufficiency so just takes place.Reference: Chinese patent CN200720305520.9 automatic voltage regulation current stabilizer.
Summary of the invention
In order to overcome the defective that existing automatic constant-pressure constant-flow valve is difficult to regulate, the utility model provides a kind of automatic constant-pressure constant-flow valve, and this automatic constant-pressure constant-flow valve is easy to adjust, and the pilot pressure current are accurate.
The technical solution of the utility model is: this valve comprises valve body, water intake and water outlet, side, valve body middle part is provided with water outlet, inner chamber one end of valve body is connected with limiting stopper, be provided with water intake in the middle of the limiting stopper, piston, spring, spring seat, adjustable lever is arranged in body cavity in proper order, piston is between limiting stopper and spring, spring is between piston and spring seat, the spring seat opposite side is provided with adjustable lever, piston is provided with the water inlet, and the outlet of water inlet is corresponding with spring intracavity, and water outlet is connected with the spring outside, perhaps the outlet of water inlet is corresponding with the spring outside, and water outlet is connected with spring intracavity.
Be equipped with plugging device between described piston and the limiting stopper, plugging device is round table-like.
Described adjustable lever is provided with the pressure regulation scale mark, and the adjustable lever outer end is provided with adjusting knob, and adjusting knob is provided with the pressure regulation scale mark, and adjustable lever links to each other with valve body by valve gap.
The valve interior wall of described spring seat one side is provided with projection.
Advantage of the present utility model: the outer end of adjustable lever does not set out the mouth of a river, regulates conveniently, and the pilot pressure current are accurate.The fluid of water intake flows to water outlet after controlling through gapping of spring, and the pilot pressure current are more accurate.
Description of drawings
Fig. 1 is an embodiment's of the utility model a structural representation.
Fig. 2 is another embodiment's of the utility model a structural representation.
Fig. 3 is the 3rd embodiment's of the utility model a structural representation.
1. water intakes among the figure, 2. plugging device, 3. limiting stopper, 4. valve body, 5. piston, 6. spring seat, 7. projection, 8. adjustable lever, 9. valve gap, 10. adjusting knob, 11. water inlets, 12. springs, 13. water outlets, 14. seal rings, 15. osculums.
Embodiment
In Fig. 1, this valve comprises valve body 4, water intake 1 and water outlet 13, side, valve body 4 middle part is provided with water outlet 13, inner chamber one end of valve body 4 is connected with limiting stopper 3, is provided with water intake 1 in the middle of the limiting stopper 3, and piston 5, spring 12, spring seat 6, adjustable lever 8 orders are arranged in valve body 4 inner chambers, piston 5 is between limiting stopper 3 and spring 12, spring 12 is between piston 5 and spring seat 6, and spring seat 6 opposite sides are provided with adjustable lever 8, and piston 5 is provided with water inlet 11.The outlet of the water inlet 11 on the piston 5 is corresponding with spring 12 inner chambers, and water outlet 13 is connected with spring 12 outsides by the osculum on the spring seat 6 15.
Be equipped with plugging device 2 between described piston 5 and the limiting stopper 3, plugging device 2 is an elastomer, and plugging device 2 is round table-like, and piston 5 and plugging device 2 link to each other by screw thread.
Described adjustable lever 8 is provided with the pressure regulation scale mark, and adjustable lever 8 outer ends are provided with adjusting knob 10, and adjusting knob 10 is provided with the pressure regulation scale mark.
Described adjustable lever 8 links to each other with valve body 4 by valve gap 9, and adjustable lever 8 and valve gap 9 are connected by internal and external threads.
Described valve gap 9 and valve body 4 are connected by internal and external threads.
Described limiting stopper 3 and valve body 4 are connected by internal and external threads.
Be equipped with seal ring 14 between described valve gap 9 and the valve body 4, be equipped with seal ring 14 between adjustable lever 8 and the valve gap 9.
Described piston 5 peripheries are provided with seal ring 14.
In Fig. 2, this valve comprises valve body 4, water intake 1 and water outlet 13, side, valve body 4 middle part is provided with water outlet 13, inner chamber one end of valve body 4 is connected with limiting stopper 3, is provided with water intake 1 in the middle of the limiting stopper 3, and piston 5, spring 12, spring seat 6, adjustable lever 8 orders are arranged in valve body 4 inner chambers, piston 5 is between limiting stopper 3 and spring 12, spring 12 is between piston 5 and spring seat 6, and spring seat 6 opposite sides are provided with adjustable lever 8, and piston 5 is provided with water inlet 11.The outlet of the water inlet 11 on the piston 5 is corresponding with spring 12 inner chambers, and water outlet 13 is corresponding with spring 12 outsides.
Be equipped with plugging device 2 between described piston 5 and the limiting stopper 3, plugging device 2 is an elastomer, and plugging device 2 is round table-like, and piston 5 and plugging device 2 link to each other by screw thread.
Described adjustable lever 8 is provided with the pressure regulation scale mark, and adjustable lever 8 outer ends are provided with adjusting knob 10, and adjusting knob 10 is provided with the pressure regulation scale mark.
Described adjustable lever 8 links to each other with valve body 4 by valve gap 9, and adjustable lever 8 and valve gap 9 are connected by internal and external threads.
Described valve gap 9 and valve body 4 are connected by internal and external threads.
Described limiting stopper 3 and valve body 4 are connected by internal and external threads.
Be equipped with seal ring 14 between described valve gap 9 and the valve body 4, be equipped with seal ring 14 between adjustable lever 8 and the valve gap 9.
Described piston 5 peripheries are provided with seal ring 14.
In Fig. 3, this valve comprises valve body 4, water intake 1 and water outlet 13, side, valve body 4 middle part is provided with water outlet 13, inner chamber one end of valve body 4 is connected with limiting stopper 3, is provided with water intake 1 in the middle of the limiting stopper 3, and piston 5, spring 12, spring seat 6, adjustable lever 8 orders are arranged in valve body 4 inner chambers, piston 5 is between limiting stopper 3 and spring 12, spring 12 is between piston 5 and spring seat 6, and spring seat 6 opposite sides are provided with adjustable lever 8, and piston 5 is provided with water inlet 11.The outlet of the water inlet 11 on the piston 5 is corresponding with spring 12 outsides, and water outlet 13 communicates with spring 12 inner chambers by the osculum on the spring seat 6 15.
Be equipped with plugging device 2 between described piston 5 and the limiting stopper 3, plugging device 2 is an elastomer, and plugging device 2 is round table-like, and piston 5 and plugging device 2 link to each other by screw thread.
Described adjustable lever 8 is provided with the pressure regulation scale mark, and adjustable lever 8 outer ends are provided with adjusting knob 10, and adjusting knob 10 is provided with the pressure regulation scale mark.
Described adjustable lever 8 links to each other with valve body 4 by valve gap 9, and adjustable lever 8 and valve gap 9 are connected by internal and external threads.
Described valve gap 9 and valve body 4 are connected by internal and external threads.
Described limiting stopper 3 and valve body 4 are connected by internal and external threads.
Be equipped with seal ring 14 between described valve gap 9 and the valve body 4, be equipped with seal ring 14 between adjustable lever 8 and the valve gap 9.
Described spring seat 6 peripheries are provided with seal ring 14.
In Fig. 1, during use, fluid from water intake 1 through the water inlet 11 of piston 5, the osculum of the periphery of the gap of the inner chamber of spring 12, spring 12, spring 12 and the space between the valve body 4, spring seat 6 flows to water outlet 13.
In Fig. 2, during use, fluid from water intake 1 through the water inlet 11 of piston 5, the inner chamber of spring 12, the gap of spring 12, the periphery of spring 12 and the spatial flow intake-outlet 13 between the valve body 4.
In Fig. 3, during use, fluid flows to water outlet 13 from water intake 1 through the water inlet 11 of piston 5, periphery and the space between the valve body 4, the gap of spring 12, the inner chamber of spring 12, the osculum 15 of spring seat 6 of spring 12.
When the hydrodynamic pressure of water intake 1 and flow changed, spring 12 can be flexible, makes the hydrodynamic pressure that flows to water outlet 13 and flow and this place original pressure and flow consistent, thus constant pressure and flow.
Scale value on the pressure regulation scale mark on the adjusting knob 10 shown in certain point on the valve gap 9 and the pressure regulation scale mark of the adjustable lever 8 shown in valve gap 9 end faces is exactly the sizes values of setting pressure and flow.When the pressure of water intake 1 during less than the pressure of water outlet 13, the plugging device 2 of this valve closely contacts the fluid of closing water intake 1 with limiting stopper 3, prevents to flow backwards.
When needs were closed the liquid of water outlet 13, the tight contact to the fluid of closing water intake 1 just could as long as rotation adjustable lever 8 makes plugging device 2 and limiting stopper 3.
Claims (8)
1. automatic constant-pressure constant-flow valve, this valve comprises valve body, water intake and water outlet, inner chamber one end of valve body is connected with limiting stopper, be provided with water intake in the middle of the limiting stopper, piston, spring, spring seat, adjustable lever is arranged in body cavity in proper order, piston is between limiting stopper and spring, spring is between piston and spring seat, the spring seat opposite side is provided with adjustable lever, and piston is provided with the water inlet, it is characterized in that: side, valve body middle part is provided with water outlet, the outlet of water inlet is corresponding with spring intracavity, water outlet is connected with the spring outside, and perhaps the outlet of water inlet is corresponding with the spring outside, and water outlet is connected with spring intracavity.
2. 1 described automatic constant-pressure constant-flow valve as requested is characterized in that: be equipped with plugging device between piston and the limiting stopper.
3. 2 described automatic constant-pressure constant-flow valves as requested, it is characterized in that: described plugging device is round table-like.
4. 1 described automatic constant-pressure constant-flow valve as requested, it is characterized in that: the adjustable lever outer end is provided with adjusting knob.
5. 1 described automatic constant-pressure constant-flow valve as requested, it is characterized in that: adjustable lever links to each other with valve body by valve gap.
6. 4 described automatic constant-pressure constant-flow valves as requested, it is characterized in that: adjusting knob is provided with the pressure regulation scale mark.
7. 1 described automatic constant-pressure constant-flow valve as requested, it is characterized in that: adjustable lever is provided with the pressure regulation scale mark.
8. 1 described automatic constant-pressure constant-flow valve as requested, it is characterized in that: the valve interior wall of spring seat one side is provided with projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201412947U CN201651464U (en) | 2010-03-18 | 2010-03-18 | Automatic constant-current/pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201412947U CN201651464U (en) | 2010-03-18 | 2010-03-18 | Automatic constant-current/pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201651464U true CN201651464U (en) | 2010-11-24 |
Family
ID=43116702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201412947U Expired - Fee Related CN201651464U (en) | 2010-03-18 | 2010-03-18 | Automatic constant-current/pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201651464U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788066A (en) * | 2010-03-18 | 2010-07-28 | 张华明 | Automatic constant-pressure constant-flow valve |
| CN107061817A (en) * | 2017-02-03 | 2017-08-18 | 中国石油化工股份有限公司 | A kind of trequency piston type constant pressure valve |
-
2010
- 2010-03-18 CN CN2010201412947U patent/CN201651464U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788066A (en) * | 2010-03-18 | 2010-07-28 | 张华明 | Automatic constant-pressure constant-flow valve |
| CN107061817A (en) * | 2017-02-03 | 2017-08-18 | 中国石油化工股份有限公司 | A kind of trequency piston type constant pressure valve |
| CN107061817B (en) * | 2017-02-03 | 2019-01-22 | 中国石油化工股份有限公司 | A kind of trequency piston type constant pressure valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101788066A (en) | Automatic constant-pressure constant-flow valve | |
| CN205013786U (en) | Permanent fixed pressure -difference valve with adjustable | |
| CN201651464U (en) | Automatic constant-current/pressure valve | |
| CN204042100U (en) | Two gas kind pressure maintaining valve | |
| CN203757110U (en) | Self-operated internal pressure tapping type adjusting valve | |
| CN203926972U (en) | A kind of differential pressure control valve | |
| CN203743523U (en) | Adjustable one-way valve | |
| CN102720867A (en) | Self-operated flow control valve capable of automatically adjusting pressure difference | |
| JP2010520529A5 (en) | ||
| CA2965886C (en) | Pilot hydraulic system for operating control valve | |
| CN207609833U (en) | A kind of device for lowering persons charge valve | |
| CN202901425U (en) | Self-operated differential pressure valve | |
| CN103075544B (en) | Anti-scald constant-temperature faucet | |
| CN203963058U (en) | A kind of large flux control valve | |
| CN204755956U (en) | Manual valve | |
| CN203796996U (en) | Piston type hydraulic control valve capable of being easily opened and closed | |
| CN205155279U (en) | Dynamic balance adjusting valve | |
| CN204755927U (en) | Valve | |
| CN205036932U (en) | Differential pressure balance valve | |
| CN205047918U (en) | Dynamic balance electric regulating valve | |
| CN205047962U (en) | Dynamic balance manual regulation valve | |
| RU2667177C2 (en) | Adjustable throttle device | |
| MX2017003155A (en) | Fluid regulator having a retractable sense tube. | |
| CN204592456U (en) | A kind of ratio unloading valve | |
| CN104121398B (en) | Flow matching device suitable for material conveying of multiple branch pipelines |
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: 20101124 Termination date: 20120318 |