CN106870785A - Constant pressure valve - Google Patents
Constant pressure valve Download PDFInfo
- Publication number
- CN106870785A CN106870785A CN201710232051.0A CN201710232051A CN106870785A CN 106870785 A CN106870785 A CN 106870785A CN 201710232051 A CN201710232051 A CN 201710232051A CN 106870785 A CN106870785 A CN 106870785A
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- CN
- China
- Prior art keywords
- constant pressure
- valve
- core bar
- valve body
- sealing
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
- F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
A kind of constant pressure valve, including valve body, the valve pocket of inlet channel, outlet passageway, connection inlet channel and outlet passageway is provided with valve body, in valve pocket inlet plenum is provided near one end of inlet channel, in valve pocket regulation chamber is provided near one end of outlet passageway, core bar is provided with valve pocket, the inlet end connected with inlet plenum in valve pocket is provided with sealing bead, the seal being engaged with sealing bead is provided with core bar；Sealing-plug is provided with the valve body just to inlet plenum, guide through hole is provided with sealing-plug center, core bar top is located in guide through hole；The piston connected with core bar is provided with regulation cavity, constant pressure regulation cock is provided with valve body, constant compression elastic part is provided between constant pressure regulation cock and piston.Present invention, avoiding back pressure influence, valve pocket diameter can constantly be expanded, increase and throughput, and be prevented effectively from the situation that output pressure changes caused by inlet plenum inner high voltage pressure oscillation and occurred, output pressure is kept constant.
Description
Technical field
The present invention relates to a kind of valve, particularly a kind of constant pressure valve.
Background technology
Valve is to make the medium in pipe arrangement and equipment（Gas）Flowing stops and can control the device of its flow.Valve is made
It is control unit in pipeline fluid induction system, can be used to change path section and media flow direction, with water conservancy diversion, cuts
Only, the function such as throttling, non-return, shunting or overflow release.The valve pocket of the existing pressure-reducing valve of in the market is mostly the restriction space of sealing,
This design can make the back pressure in valve body inlet plenum very big, easily produce inlet plenum inner high voltage pressure oscillation to cause output to press
The situation of variation, is also restricted the latus rectum size of valve pocket, it is impossible to accomplish that output pressure is too high, both cause out throughput compared with
Small situation, causes relief valve function single again, can only be confined to gas and use, it is impossible to suitable for liquid, and this is accomplished by design
The constant pressure valve that a kind of energy gas liquid two purpose, output pressure scope are from low to high and output flow is big and output valve is constant.
The content of the invention
The technical problem to be solved in the present invention is directed to the deficiencies in the prior art, proposes that a kind of simple structure, flow are big, makes
Output pressure keeps constant constant pressure valve.
The technical problem to be solved in the present invention is achieved through the following technical solutions, a kind of constant pressure valve, is characterized in, bag
Include valve body, be provided with inlet channel and outlet passageway in valve body, and connection inlet channel and outlet passageway valve pocket, in valve pocket
One end near inlet channel is provided with inlet plenum, regulation chamber is provided near one end of outlet passageway in valve pocket, in valve pocket
Core bar is provided with, the inlet end connected with inlet plenum in valve pocket is provided with sealing bead, is provided with core bar and matched with sealing bead
The seal of conjunction；
Outlet is provided with the valve body just to inlet plenum, sealing-plug is provided with outlet, guiding is provided with sealing-plug center
Through hole, the core bar top is located in guide through hole；
The regulation chamber is cylindricality, and piston is provided with regulation cavity, and the piston inner side connects with core bar, just to regulation
The valve body of chamber is provided with adjustment hole, and constant pressure regulation cock is provided with adjustment hole, and perseverance is provided between constant pressure regulation cock and piston
Compression elasticity part.
The technical problem to be solved in the present invention can also be come further to realize by the following technical programs, in constant pressure regulation cock
Middle part be provided with air-vent.
The technical problem to be solved in the present invention can also be come further to realize by the following technical programs, outside core bar top
It is arranged with the seal being engaged with guide through hole inwall.
The technical problem to be solved in the present invention can also by the following technical programs be come further to realize, be set in piston jacket
There is the seal with regulation chamber wall mates.
The technical problem to be solved in the present invention can also come further to realize by the following technical programs, the guide through hole
Diameter is identical with valve pocket diameter.
The technical problem to be solved in the present invention can also by the following technical programs be come further to realize, be set on valve body
There is the high pressure gauge of gas pressure value in detection inlet channel.
The technical problem to be solved in the present invention can also by the following technical programs be come further to realize, be set on valve body
There is filling gas mouth, the filling gas mouth is connected by air inlet branch road with inlet channel.
The technical problem to be solved in the present invention can also by the following technical programs be come further to realize, is provided with valve body
The outlet branch road connected with outlet passageway, is provided with the switch valve of control outlet branch road break-make on valve body.
The technical problem to be solved in the present invention can also be come further to realize by the following technical programs, on ventilation branch road
The constant-voltage meter of detection gas pressure value is provided with, sealing plug wire is provided with the gas outlet of outlet passageway.
The technical problem to be solved in the present invention can also come further to realize by the following technical programs, sealing bead with
Be provided with the returning spring being enclosed within core bar between sealing-plug, described returning spring one end connects with piston inner side, the other end with set
The boss put on core bar connects.
Compared with prior art, the present invention by the inlet end that connects in valve body and inlet plenum set sealing bead,
The seal being engaged with sealing bead is set on core bar, and coordinates the piston connected with core bar, make to continue not in outlet passageway
There is gas to flow out disconnectedly, it is ensured that the atmospheric pressure value at the gas outlet of outlet passageway is invariable；By the adjustment hole in regulation chamber
Interior setting constant pressure regulation cock, sets constant compression elastic part to adjust the gas outlet of outlet passageway between constant pressure regulation cock and piston
The atmospheric pressure value size at place；By in inlet plenum exit, the guide through hole that is engaged with core bar top is set, make core bar with it is big
Gas phase is contacted, and air-vent is set on constant pressure regulation cock to be made also to be in contact with air on the outside of piston, makes two ends air pressure balance, this
Structure is to avoid the influence of back pressure in inlet plenum, as needed can constantly be expanded the diameter of valve pocket, increases and air-flow
Amount, also effectively prevent the situation that output pressure changes caused by inlet plenum inner high voltage pressure oscillation and occurs, it is ensured that output
The stability and high accuracy of pressure, and this structure design makes the present invention be not limited solely to the use of gas, can equally fit
For liquid.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the invention；
Fig. 2 is another structural representation of the invention.
Specific embodiment
Concrete technical scheme of the invention is further described, this hair is further understood that in order to those skilled in the art
It is bright, without constituting the limitation to its right.
Embodiment 1, reference picture 1, a kind of constant pressure valve, including valve body 1, are provided with inlet channel 13 and outlet passageway in valve body
2, and the valve pocket 19 of inlet channel 13 and outlet passageway 2 is connected, the valve pocket 19 is set to cylindricality valve pocket, is close in valve pocket 19
One end of gas passage 13 is provided with inlet plenum 18, regulation chamber 5 is provided near one end of outlet passageway 2 in valve pocket 19, in valve pocket
Core bar 15 is provided with 19, the inlet end connected with inlet plenum 18 in valve pocket 19 is provided with sealing bead 12, is provided with core bar 15
The seal 14 being engaged with sealing bead 12, the seal is sealing ring；
Outlet is provided with the valve body just to inlet plenum 18, sealing-plug 16 is provided with outlet, set in the center of sealing-plug 16
There is guide through hole, the guide through hole diameter is identical with valve pocket diameter, and the top of core bar 15 is located in guide through hole, in core bar
The seal 14 being engaged with guide through hole inwall is arranged with outside top, the seal can use sealing ring；
The regulation chamber 5 is cylindricality, and piston 4 is provided with regulation chamber 5, is arranged with outside piston 4 and the regulation wall body of chamber 5
The seal 3 being engaged, the seal is sealing ring, and the inner side of the piston 4 connects with core bar 15, just to regulation chamber 5
Valve body 1 be provided with adjustment hole, constant pressure regulation cock 7 is provided with adjustment hole, the constant pressure regulation cock 7 is threadedly coupled with valve body 1,
Constant compression elastic part 8 is provided between constant pressure regulation cock 7 and piston 4, the constant compression elastic part 8 selects spring, in constant pressure regulation cock 7
Middle part be provided with air-vent 6, make piston outside be in contact with air, holding core bar, piston two ends air pressure balance；
The high pressure gauge 9 of gas pressure value in detection inlet channel 13 is provided with valve body；
Filling gas mouth 10 is provided with valve body, the filling gas mouth 10 is connected by air inlet branch road 11 with inlet channel 13, described
Filling gas mouth is the check valve of only import but no export；
The outlet branch road 21 connected with outlet passageway 2 is provided with valve body, opening for control outlet branch road break-make is provided with valve body 1
Valve 20 is closed, the constant-voltage meter 22 of detection gas pressure value is provided with ventilation branch road 21；It is provided with close at the gas outlet of outlet passageway 2
Closure silk 23.
Embodiment 2, reference picture 2, a kind of constant pressure valve, including valve body 1, are provided with inlet channel 13 and outlet passageway in valve body
2, and the valve pocket 19 of inlet channel 13 and outlet passageway 2 is connected, the valve pocket 19 is set to cylindricality valve pocket, is close in valve pocket 19
One end of gas passage 13 is provided with inlet plenum 18, regulation chamber 5 is provided near one end of outlet passageway 2 in valve pocket 19, in valve pocket
Core bar 15 is provided with 19, the inlet end connected with inlet plenum 18 in valve pocket 19 is provided with sealing bead 12, is provided with core bar 15
The seal 14 being engaged with sealing bead 12, the seal is sealing ring；
Outlet is provided with the valve body just to inlet plenum 18, sealing-plug 16 is provided with outlet, set in the center of sealing-plug 16
There is guide through hole, the guide through hole diameter is identical with valve pocket diameter, and the top of core bar 15 is located in guide through hole, in core bar
The seal 14 being engaged with guide through hole inwall is arranged with outside top, the seal can use sealing ring；In sealing bead
It is provided with the returning spring 24 being enclosed within core bar between 12 and sealing-plug 16, the one end of returning spring 24 connects with piston inner side, another
Hold and connect with the boss being arranged on core bar；
The regulation chamber 5 is cylindricality, and piston 4 is provided with regulation chamber 5, is arranged with outside piston 4 and the regulation wall body of chamber 5
The seal 3 being engaged, the seal is sealing ring, and the inner side of the piston 4 connects with core bar 15, just to regulation chamber 5
Valve body 1 be provided with adjustment hole, constant pressure regulation cock 7 is provided with adjustment hole, the constant pressure regulation cock 7 is threadedly coupled with valve body 1,
Constant compression elastic part 8 is provided between constant pressure regulation cock 7 and piston 4, the constant compression elastic part 8 selects spring, in constant pressure regulation cock 7
Middle part be provided with air-vent 6, make piston outside be in contact with air, holding core bar, piston two ends air pressure balance；
The high pressure gauge 9 of gas pressure value in detection inlet channel 13 is provided with valve body；
Filling gas mouth 10 is provided with valve body, the filling gas mouth 10 is connected by air inlet branch road 11 with inlet channel 13, described
Filling gas mouth is the check valve of only import but no export；
The outlet branch road 21 connected with outlet passageway 2 is provided with valve body, opening for control outlet branch road break-make is provided with valve body 1
Valve 20 is closed, the constant-voltage meter 22 of detection gas pressure value is provided with ventilation branch road 21；It is provided with close at the gas outlet of outlet passageway 2
Closure silk 23.
Claims (10)
1. a kind of constant pressure valve, it is characterised in that：Including valve body, inlet channel and outlet passageway, and connection are provided with valve body
The valve pocket of inlet channel and outlet passageway, inlet plenum is provided with valve pocket near one end of inlet channel, in valve pocket near outlet
One end of passage is provided with regulation chamber, and core bar is provided with valve pocket, and the inlet end connected with inlet plenum in valve pocket is provided with sealing
Bead, is provided with the seal being engaged with sealing bead on core bar；Outlet is provided with the valve body just to inlet plenum, is being gone out
It is intraoral to be provided with sealing-plug, guide through hole is provided with sealing-plug center, the core bar top is located in guide through hole；The regulation
Chamber is cylindricality, and piston is provided with regulation chamber, and the piston inner side connects with core bar, just on the valve body for adjusting chamber
Adjustment hole is provided with, constant pressure regulation cock is provided with adjustment hole, constant compression elastic part is provided between constant pressure regulation cock and piston.
2. a kind of constant pressure valve according to claim 1, it is characterised in that：Air-vent is provided with the middle part of constant pressure regulation cock.
3. a kind of constant pressure valve according to claim 1, it is characterised in that：Be arranged with outside core bar top with guide through hole
The seal that wall is engaged.
4. a kind of constant pressure valve according to claim 1, it is characterised in that：It is provided with and regulation chamber wall body phase in piston jacket
The seal of cooperation.
5. a kind of constant pressure valve according to claim 1, it is characterised in that：The guide through hole diameter and valve pocket diameter
It is identical.
6. a kind of constant pressure valve according to claim 1, it is characterised in that：Gas in detection inlet channel is provided with valve body
The high pressure gauge of body pressure value.
7. a kind of constant pressure valve according to claim 1, it is characterised in that：Filling gas mouth, the aerating are provided with valve body
Mouth is connected by air inlet branch road with inlet channel.
8. a kind of constant pressure valve according to claim 1, it is characterised in that：Going out of being connected with outlet passageway is provided with valve body
Gas branch road, is provided with the switch valve of control outlet branch road break-make on valve body.
9. a kind of constant pressure valve according to claim 8, it is characterised in that：Detection gas pressure value is provided with ventilation branch road
Constant-voltage meter, sealing plug wire is provided with the gas outlet of outlet passageway.
10. a kind of constant pressure valve according to claim 1, it is characterised in that：Set is provided between sealing bead and sealing-plug
Returning spring on core bar, described returning spring one end and piston inner side connect, the other end and the boss being arranged on core bar
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710232051.0A CN106870785A (en) | 2017-04-11 | 2017-04-11 | Constant pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710232051.0A CN106870785A (en) | 2017-04-11 | 2017-04-11 | Constant pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106870785A true CN106870785A (en) | 2017-06-20 |
Family
ID=59163224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710232051.0A Pending CN106870785A (en) | 2017-04-11 | 2017-04-11 | Constant pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106870785A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948928A (en) * | 2020-01-02 | 2020-04-03 | 成小芳 | New forms of energy fuel compressor arrangement |
| CN111745769A (en) * | 2020-06-30 | 2020-10-09 | 菏泽花谷企业管理有限公司 | Bamboo charcoal fiber palm production equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2436741Y (en) * | 2000-06-11 | 2001-06-27 | 田耀刚 | Pressure-reducing valve |
| CN101625043A (en) * | 2009-08-13 | 2010-01-13 | 凯迈（洛阳）气源有限公司 | High-pressure reducing valve |
| CN201672118U (en) * | 2010-05-07 | 2010-12-15 | 常州市汇丰船舶附件制造有限公司 | High pressure gas pressure reducer valve |
| JP2012063827A (en) * | 2010-09-14 | 2012-03-29 | Nok Corp | Pressure regulation valve |
| CN203516874U (en) * | 2013-09-25 | 2014-04-02 | 周裕佳 | Constant-pressure valve |
| CN203686285U (en) * | 2014-01-17 | 2014-07-02 | 宁波星箭航天机械有限公司 | Constant pressure reducing valve |
| CN204300449U (en) * | 2014-12-16 | 2015-04-29 | 卢建之 | A kind of without the need to the online external regulation type constant pressure valve of release |
| CN206608591U (en) * | 2017-04-11 | 2017-11-03 | 卢建之 | A kind of constant pressure valve |
-
2017
- 2017-04-11 CN CN201710232051.0A patent/CN106870785A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2436741Y (en) * | 2000-06-11 | 2001-06-27 | 田耀刚 | Pressure-reducing valve |
| CN101625043A (en) * | 2009-08-13 | 2010-01-13 | 凯迈（洛阳）气源有限公司 | High-pressure reducing valve |
| CN201672118U (en) * | 2010-05-07 | 2010-12-15 | 常州市汇丰船舶附件制造有限公司 | High pressure gas pressure reducer valve |
| JP2012063827A (en) * | 2010-09-14 | 2012-03-29 | Nok Corp | Pressure regulation valve |
| CN203516874U (en) * | 2013-09-25 | 2014-04-02 | 周裕佳 | Constant-pressure valve |
| CN203686285U (en) * | 2014-01-17 | 2014-07-02 | 宁波星箭航天机械有限公司 | Constant pressure reducing valve |
| CN204300449U (en) * | 2014-12-16 | 2015-04-29 | 卢建之 | A kind of without the need to the online external regulation type constant pressure valve of release |
| CN206608591U (en) * | 2017-04-11 | 2017-11-03 | 卢建之 | A kind of constant pressure valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948928A (en) * | 2020-01-02 | 2020-04-03 | 成小芳 | New forms of energy fuel compressor arrangement |
| CN110948928B (en) * | 2020-01-02 | 2021-12-03 | 成小芳 | New forms of energy fuel compressor arrangement |
| CN111745769A (en) * | 2020-06-30 | 2020-10-09 | 菏泽花谷企业管理有限公司 | Bamboo charcoal fiber palm production equipment |
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