CN204300449U - A kind of without the need to the online external regulation type constant pressure valve of release - Google Patents
A kind of without the need to the online external regulation type constant pressure valve of release Download PDFInfo
- Publication number
- CN204300449U CN204300449U CN201420793471.8U CN201420793471U CN204300449U CN 204300449 U CN204300449 U CN 204300449U CN 201420793471 U CN201420793471 U CN 201420793471U CN 204300449 U CN204300449 U CN 204300449U
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- pressure
- core bar
- valve
- piston
- cylinder
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Abstract
A kind of without the need to the online external regulation type constant pressure valve of release, comprise valve body, valve body is provided with outlet nozzle and suction nozzle, suction nozzle has air admission hole, outlet nozzle has venthole, cylindricality valve pocket is provided with at valve inner, air inlet is provided with at cylindricality valve pocket, in cylindricality valve pocket, core bar is installed, the bottom of core bar is provided with seal, mineralization pressure counter balance pocket between core bar outer wall and valve pocket inwall, pressure balance chamber is provided with gas outlet, core bar is set with voltage regulation cylinder, voltage regulation cylinder comprises cylinder body and piston, the rodless cavity of voltage regulation cylinder is set to balancing gate pit, piston is provided with the blow vent communicated with balancing gate pit, core bar is provided with equalizing pressure mouth, the equalizing pressure passage being communicated with equalizing pressure mouth and blow vent is provided with in core bar.Utilize back-moving spring to make elastic force and balancing gate pit's air pressure keep balancing, make plug stablize constant to the distance maintenance of air inlet, ensure that the constant pressure at gas outlet place; Utilize the cylinder body of voltage regulation cylinder, can regulate the pressure at gas outlet place as required.
Description
Technical field
The utility model relates to a kind of valve, particularly a kind of without the need to the online external regulation type constant pressure valve of release.
Background technology
Valve is the device medium in pipe arrangement and equipment (gas) being flowed or stops also controlling its flow.At present, valve is control assembly in pipeline fluid induction system, it is used to change path section and media flow direction, there is the functions such as water conservancy diversion, cut-off, throttling, non-return, shunting or overflow release, and when force value being regulated for the constant pressure valve of air compressor machine, air nail gun etc. in existing valve, need first by the place's release of constant pressure valve suction nozzle, and then after removing air intake apparatus again, just can carry out the adjustment of force value, like this, operate very inconvenient, affect operating efficiency.
Summary of the invention
The technical problems to be solved in the utility model is for the deficiencies in the prior art, proposes a kind of structure simple, easy to operate, can increase work efficiency without the need to the online external regulation type constant pressure valve of release.
The technical problems to be solved in the utility model is achieved through the following technical solutions, a kind of without the need to the online external regulation type constant pressure valve of release, comprise valve body, valve body is fixed with outlet nozzle and suction nozzle, suction nozzle has air admission hole, outlet nozzle has venthole, be characterized in: be provided with the vertical cylindricality valve pocket arranged at valve inner, air inlet is provided with at the root of cylindricality valve pocket, air inlet is connected with the air admission hole of suction nozzle by inlet channel, in cylindricality valve pocket, core bar is installed, the bottom of core bar is provided with the plug coordinated with air inlet, the seal coordinated with cylindrical valve cavity wall is had at the bottom overcoat of core bar, core bar outer wall below described seal and mineralization pressure counter balance pocket between valve pocket inwall, the sidewall of pressure balance chamber is provided with gas outlet, gas outlet is connected with the venthole of outlet nozzle by outlet passageway, voltage regulation cylinder is set with on the top of core bar, voltage regulation cylinder comprises the cylinder body connected with valve body screw thread and the piston being arranged on cylinder interior, top and the piston of core bar are fixedly connected, the back-moving spring be sleeved on core bar is provided with between piston and cylinder body, the rodless cavity of described voltage regulation cylinder is set to the balancing gate pit of dummy piston, piston is provided with the blow vent communicated with balancing gate pit, the side outer wall of pressure balance chamber internal core rod is provided with equalizing pressure mouth, the equalizing pressure passage being communicated with equalizing pressure mouth and blow vent is provided with in core bar, described balancing gate pit is identical with the pressure in pressure balance chamber.
The technical problems to be solved in the utility model can also be come to realize further by the following technical programs, and at outlet passageway, place is provided with low-pressure meter.
The technical problems to be solved in the utility model can also be come to realize further by the following technical programs, and valve body is also provided with gas filling mouth, and inlet channel is provided with the tonifying Qi branch road connected with gas filling mouth.
The technical problems to be solved in the utility model can also be come to realize further by the following technical programs, and at tonifying Qi branch road, place is provided with high pressure gauge.
Compared with prior art, the utility model utilizes the outer seal being enclosed within core bar bottom and coordinating with cylindrical valve cavity wall, avoids the generation of release phenomenon, conformity provides precondition for balancing gate pit and pressure balance cavity pressure; Utilize the back-moving spring be sleeved on core bar, make the pressure in the elastic force of back-moving spring and balancing gate pit keep balancing, piston also keeps balance, now, core bar bottom plug remains to the distance of air inlet to be stablized constant, and then ensure that the constant pressure at gas outlet place; Utilize the cylinder body connected with valve body screw thread, can regulate the pressure at gas outlet place as required; Utilize and be arranged on the low-pressure meter at outlet passageway place and be arranged on the high pressure gauge at tonifying Qi branch road place, facilitate operating personnel to the Real Time Observation of equipment pressure and detection.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model voltage regulation cylinder.
Detailed description of the invention
A kind of without the need to the online external regulation type constant pressure valve of release, comprise valve body 2, valve body is fixed with outlet nozzle 1 and suction nozzle 4, suction nozzle 4 has air admission hole, outlet nozzle 1 has venthole, the vertical cylindricality valve pocket arranged is provided with in valve body 2 inside, air inlet is provided with at the root of cylindricality valve pocket, air inlet is connected with the air admission hole of suction nozzle by inlet channel 5, core bar 12 is installed in cylindricality valve pocket, the bottom of core bar 12 is provided with the plug coordinated with air inlet, the seal 14 coordinated with cylindrical valve cavity wall is had at the bottom overcoat of core bar, core bar outer wall below described seal 14 and mineralization pressure counter balance pocket between valve pocket inwall, the sidewall of pressure balance chamber is provided with gas outlet, gas outlet is connected with the venthole of outlet nozzle by outlet passageway 8, voltage regulation cylinder 3 is set with on the top of core bar, voltage regulation cylinder 3 comprises the cylinder body 15 connected with valve body screw thread and the piston 10 being arranged on cylinder body 15 inside, top and the piston of core bar are fixedly connected, the back-moving spring 11 be sleeved on core bar is provided with between piston and cylinder body, the rodless cavity of described voltage regulation cylinder is set to the balancing gate pit 9 of dummy piston, piston is provided with the blow vent communicated with balancing gate pit 9, the side outer wall of pressure balance chamber internal core rod is provided with equalizing pressure mouth, the equalizing pressure passage 13 being communicated with equalizing pressure mouth and blow vent is provided with in core bar, described balancing gate pit is identical with the pressure in pressure balance chamber.The top body extenal fixation of the cylinder body of described voltage regulation cylinder has the knob block 16 driving voltage regulation cylinder cylinder body to rotate; Described seal is sealing ring; The outer wall of cylinder block of described voltage regulation cylinder is provided with external screw thread, and valve body is provided with the internal thread coordinated with voltage regulation cylinder cylinder body external screw thread, by regulating the cylinder body of voltage regulation cylinder without the need to release, can regulate by direct-on-line; The outer wall of suction nozzle is also provided with external screw thread, the venthole inwall of outlet nozzle is provided with internal thread.When gas is from suction nozzle air inlet, first by the plug jack-up of core bar, at this moment, gas is divided into two-way, one road flows to the venthole of outlet nozzle along outlet passageway from gas outlet, a road enters balancing gate pit from equalizing pressure opening's edge equalizing pressure passage through blow vent, and the pressure in balancing gate pit and pressure balance chamber is consistent, thus balance piston, ensure that the circulation of gas is unobstructed.
The utility model utilizes the back-moving spring be sleeved on core bar, make the back-moving spring pressure obtained in elastic force and balancing gate pit keep balancing, piston also keeps balancing, now, core bar bottom plug to the distance of air inlet remain stablize constant, gas flow is remained unchanged, and then ensure that the constant pressure at gas outlet place, if reduce with atmospheric pressure, in order to ensure the constant pressure at gas outlet place, back-moving spring can the constant pressure at automatic regulating guarantee gas outlet place.When needing the pressure improving gas outlet place, will the cylinder body of voltage regulation cylinder be regulated upwards to screw out, increase core bar bottom plug to the distance of air inlet, like this, the gas flow at air inlet place is increased, and then improves the pressure at gas outlet place.
At outlet passageway, place is provided with low-pressure meter; Valve body 2 is also provided with gas filling mouth 7, inlet channel is provided with the tonifying Qi branch road 6 connected with gas filling mouth; At tonifying Qi branch road, place is provided with high pressure gauge.Described gas filling mouth is arranged on the bottom of valve body, is communicated with the inlet channel in valve body by tonifying Qi branch road.Utilize and be arranged on the low-pressure meter at outlet passageway place and be arranged on the high pressure gauge at tonifying Qi branch road place, facilitate operating personnel to the Real Time Observation of valve pressure and detection, operating personnel can be regulated by the pressure of cylinder body to valve of adjustment voltage regulation cylinder at any time as required, without the need to pressure release, improve the operating efficiency of the family of power and influence.
Claims (4)
1. one kind without the need to the online external regulation type constant pressure valve of release, comprise valve body, valve body is fixed with outlet nozzle and suction nozzle, suction nozzle has air admission hole, outlet nozzle has venthole, it is characterized in that: be provided with the vertical cylindricality valve pocket arranged at valve inner, air inlet is provided with at the root of cylindricality valve pocket, air inlet is connected with the air admission hole of suction nozzle by inlet channel, in cylindricality valve pocket, core bar is installed, the bottom of core bar is provided with the plug coordinated with air inlet, the seal coordinated with cylindrical valve cavity wall is had at the bottom overcoat of core bar, core bar outer wall below described seal and mineralization pressure counter balance pocket between valve pocket inwall, the sidewall of pressure balance chamber is provided with gas outlet, gas outlet is connected with the venthole of outlet nozzle by outlet passageway, voltage regulation cylinder is set with on the top of core bar, voltage regulation cylinder comprises the cylinder body connected with valve body screw thread and the piston being arranged on cylinder interior, top and the piston of core bar are fixedly connected, the back-moving spring be sleeved on core bar is provided with between piston and cylinder body, the rodless cavity of described voltage regulation cylinder is set to the balancing gate pit of dummy piston, piston is provided with the blow vent communicated with balancing gate pit, the side outer wall of pressure balance chamber internal core rod is provided with equalizing pressure mouth, the equalizing pressure passage being communicated with equalizing pressure mouth and blow vent is provided with in core bar, described balancing gate pit is identical with the pressure in pressure balance chamber.
2. according to claim 1 without the need to the online external regulation type constant pressure valve of release, it is characterized in that: at outlet passageway, place is provided with low-pressure meter.
3. according to claim 1ly to it is characterized in that: on valve body, be also provided with gas filling mouth without the need to the online external regulation type constant pressure valve of release, inlet channel is provided with the tonifying Qi branch road connected with gas filling mouth.
4. according to claim 3 without the need to the online external regulation type constant pressure valve of release, it is characterized in that: at tonifying Qi branch road, place is provided with high pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420793471.8U CN204300449U (en) | 2014-12-16 | 2014-12-16 | A kind of without the need to the online external regulation type constant pressure valve of release |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420793471.8U CN204300449U (en) | 2014-12-16 | 2014-12-16 | A kind of without the need to the online external regulation type constant pressure valve of release |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204300449U true CN204300449U (en) | 2015-04-29 |
Family
ID=53105990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420793471.8U Expired - Fee Related CN204300449U (en) | 2014-12-16 | 2014-12-16 | A kind of without the need to the online external regulation type constant pressure valve of release |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204300449U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838391A (en) * | 2017-03-29 | 2017-06-13 | 中石化江汉石油工程有限公司 | Cable perforation automatic safe relief valve |
| CN106870785A (en) * | 2017-04-11 | 2017-06-20 | 卢建之 | Constant pressure valve |
-
2014
- 2014-12-16 CN CN201420793471.8U patent/CN204300449U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838391A (en) * | 2017-03-29 | 2017-06-13 | 中石化江汉石油工程有限公司 | Cable perforation automatic safe relief valve |
| CN106870785A (en) * | 2017-04-11 | 2017-06-20 | 卢建之 | Constant pressure valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiang Tongwei Assignor: Lu Jianzhi Contract record no.: 2017320000186 Denomination of utility model: Online outside adjustment type constant pressure valve without pressure relief Granted publication date: 20150429 License type: Common License Record date: 20170905 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20211216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |