CN105889580B - A kind of vertical gas control balance stop valve - Google Patents
A kind of vertical gas control balance stop valve Download PDFInfo
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- CN105889580B CN105889580B CN201410557380.9A CN201410557380A CN105889580B CN 105889580 B CN105889580 B CN 105889580B CN 201410557380 A CN201410557380 A CN 201410557380A CN 105889580 B CN105889580 B CN 105889580B
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- spool
- valve body
- piston
- valve
- guide sleeve
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Abstract
The invention discloses a kind of vertical full balance stop valves of gas control, including valve body, the top of valve body opens up C control mouths, it is located at C control mouths lower part on the inside of valve body and piston is installed, installed plug on the upside of the middle part of piston, soket head cap screw is installed, spool is installed in the lead screw end of soket head cap screw on the downside of the middle part of piston.For the spool of the present invention in structure design, for spool in high-pressure medium, whole axially loaded resultant force is zero, otherwise will increase and controls piston forced area, and the entirety product of valve is made to become larger, while can influence service life of valve, reliability, economy.At the seal spool of the present invention, since pressure is higher, the first ring washer that one side is arc surface is used, the bearing capacity of the 4th c-type circle is improved.The design spool is designed with valve body using integrally connected, compact-sized, small.
Description
Technical field
The present invention relates to a kind of shut-off valve, more precisely a kind of full balance stop valve of vertical gas control.
Background technology
The vertical full balance stop valve of gas control is a kind of shut-off valve of pressure gas source control, and fluid is controlled in high-pressure system
Break-make realizes switch control.Pneumatic valve currently on the market, cylinder position and main valve portion are split type connections, and volume is larger, institute
Need installation space also larger.Pneumatic valve currently on the market, the medium axial force suffered by spool, due to the limit of design structure
System, does not all reach complete equipilibrium, therefore same bore valve volume is relatively large, and performance reaches undesirable with the service life.
Invention content
The object of the present invention is to provide a kind of vertical full balance stop valves of gas control, can solve the problem above-mentioned.
The present invention to achieve the above object, is achieved through the following technical solutions：
The top of a kind of full balance stop valve of vertical gas control, including valve body, valve body opens up C control mouths, is located at C on the inside of valve body
Piston is installed in control mouth lower part, and the middle part upside installed plug of piston, soket head cap screw, interior hexagonal are installed in the middle part downside of piston
Spool is installed in the lead screw end of screw, and the upper end of the lower, outer perimeter installation main spring of piston, the inside of valve body is located at piston lower portion
Guide sleeve is installed, the lower end of main spring and the top of guide sleeve coordinate, and spool passes through the middle part of guide sleeve, is located at valve on guide sleeve
Cushion pad is arranged in core periphery, and sealing ring is arranged in being internally located on the downside of guide sleeve for valve body, and the periphery of sealing ring and spool coordinates, valve
Body lower part side opens up A imports, and A imports are communicated with spool side, and the valve body lower portion other side opens up the outlets B, the outlets B and spool
The other side communicates.
In order to further realize the purpose of the present invention, following technical scheme can also be used：Between the piston and valve body
Second c-type circle is installed, third ring washer is installed in the lower part of the second c-type circle.Third c-type circle is installed between the guide sleeve and valve body,
The top of third c-type circle is installed by the second ring washer.4th c-type circle is installed between the lower part and valve body of the spool, the 4th c-type circle
Lower part is installed by the first ring washer.
The advantage of the invention is that：
The spool of the present invention is in structure design, and for spool in high-pressure medium, whole axially loaded resultant force is zero, otherwise will
Increase control piston forced area, so that the entirety product of valve is become larger, while service life of valve, reliability, economy can be influenced.This
At the seal spool of invention, since pressure is higher, the first ring washer that one side is arc surface is used, holding for the 4th c-type circle is improved
Pressure energy power.The design spool is designed with valve body using integrally connected, compact-sized, small.This design is used in design
New design structure increases piston at the both ends of valve, and the size at spool both ends is essentially equal, therefore suffered medium axial force is complete
Full balance, therefore the power that cylinder portion is provided is to overcome the power of main spring, piston that can design relatively small, entire valve
Door is also relatively small, can be up to 50,000 times or more with the service life with the performance into valve.The present invention also has compact, system simple for structure
Make advantage of low cost and using simplicity.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structural diagram of the present invention.
Mark component：1 valve body, 23 first ring washer of spool, 47 cushion pad of sealing ring 5 second ring washer, 6 guide sleeve, 8 cylinder
13 first 14 second c-type circle of c-type circle, 15 soket head cap screw of body 9 main spring, 10 third ring washer, 11 plug, 12 piston, 16 bullet
The 4th c-type circle 19A imports 20B of 17 third c-type circle 18 of spring washer exports 21C control mouths.
Specific implementation mode
As shown in Figure 1, a kind of full balance stop valve of vertical gas control, including valve body 1, the top of valve body 1 open up C control mouths
21, the inside of valve body 1 is located at 21 lower part of C control mouths and installs piston 12, installed plug 11 on the upside of the middle part of piston 12, in piston 12
Soket head cap screw 15 is installed in subordinate side, and spool 2, the lower, outer perimeter installation master of piston 12 are installed in the lead screw end of soket head cap screw 15
The inside of the upper end of spring 9, valve body 1 is located at 12 lower part of piston installation guide sleeve 6, the top of the lower end and guide sleeve 6 of main spring 9
Cooperation, spool 2 pass through the middle part of guide sleeve 6, and being located at 2 periphery of spool on guide sleeve 6 is arranged cushion pad 7, and valve body 1 is internally located at
Sealing ring 4 is arranged in the downside of guide sleeve 6, and sealing ring 4 and the periphery of spool 2 coordinate, and 1 lower part side of valve body opens up A imports 19, A into
Mouth 19 is communicated with 2 side of spool, and the 1 lower part other side of valve body opens up the outlets the B outlets 20, B 20 and communicated with the other side of spool 2.
The present invention, into the air source of C control mouths 21, pushes piston 12, piston 12 to pass through interior hexagonal with spool 2 by control
Screw 15 links together, and piston 12 compresses downwards main spring 9, so that spool 2 is disengaged with sealing ring 4, realizes the unlatching of valve；When
The air source controlled into C control mouths 21 stops after supplying, and for piston under the action of main spring 9, band movable valve plug 2 and valve body 1 are again
It contacts and seals, fluid in truncated system.
The present invention in off position when, C control mouths 21 do not supply (0.4 to 0.8MPa), effect of the valve in 9 power of main spring
Under, band movable valve plug 2 compresses sealing ring 4 and is closed.
The present invention is passed through control compressed gas (0.4 to 0.8MPa), compressed gas in valve opening state, to C control mouths
Body pushes piston 12 to be detached from sealing ring 4 with spool 2, to make fluid in system flow to the outlets B 20 from A imports 19, completes valve
Open function.
After the control gas of present invention C control mouths 21 when valve is closed stops gas supply, effect of the valve in 9 power of main spring
Under, piston 12 and spool 2 are pushed, so that spool 2 is contacted and is sealed again with sealing ring 4, valve is made to close, the stream in truncated system
Body.
The spool 2 of the present invention is in structure design, and spool 2 is in high-pressure medium, and whole axially loaded resultant force is zero, otherwise
Piston forced area is controlled by increasing, so that the entirety product of valve is become larger, while service life of valve, reliability, economy can be influenced.
Power caused by the main spring 9 of the present invention, that the frictional force between component can be overcome, while to provide and sealing ring 4
Contact the sealing force generated.
At 2 sealing of spool of the present invention, since pressure is higher, the first ring washer 3 that one side is arc surface is used, improves the
The bearing capacity of four c-type circles 18.
The design spool 2 is designed with valve body 1 using integrally connected, compact-sized, small；Gas control currently on the market
Valve, cylinder position and main valve portion are split type connections, and volume is larger, and required installation space is also larger.
The present invention is by disassembling, analyzing Pneumatic valve currently on the market, the medium axial force suffered by spool, due to design
The limitation of structure does not all reach complete equipilibrium, therefore same bore valve volume is relatively large, and performance is reached with the service life to be paid no attention to
Think.The design is in design, using new design structure, increases piston 12 at the both ends of valve, the size at 2 both ends of spool is complete
It is equal, thus suffered medium axial force complete equipilibrium, therefore the power that cylinder portion is provided is to overcome the power of main spring 9, it is living
Plug 12 can design relatively small, and entire valve is also relatively small, with performance and the service life into valve can up to 50,000 times with
On.
The structure that the design of spool 2 is balanced using the pressure at two ends of one.The design is in order to improve the performance of product and spool 2
Intensity, higher pressure can be born, use integral structure, the both ends of spool 2 are the essentially equal pistons 12 of size, from
The axial force that face energy complete equipilibrium high-pressure medium generates spool 2.
The present invention uses changeable type valve seat construction, and in order to ensure the economy of valve, on-line maintenance, using can be more
The nonmetallic sealing ring 4 of formula is changed, when during the work time, the damage of sealing ring 4 can be replaced online, while also reduce maintenance cost.
The spool 2 of the present invention uses direct-coupled type structure with valve body 1, in order to ensure the economy of valve, as much as possible
The cost for reducing valve reduces the volume of valve, and spool 2 uses direct-coupled type structure with valve body 1, and the installation for reducing valve is empty
Between, it is cost-effective.
Second c-type circle 14, the lower part installation third ring washer 10 of the second c-type circle 14 are installed between the piston 12 and valve body 1.
Between the piston 12 and valve body 1 of the present invention, since pressure is higher, the third ring washer 10 that one side is arc surface is used, improves the
The bearing capacity of two c-type circles 14.
Third c-type circle 17 is installed, the second ring washer 5 is installed on the top of third c-type circle 17 between the guide sleeve 6 and valve body 1.
Between the guide sleeve 6 and valve body 1 of the present invention, since pressure is higher, the second ring washer 5 that one side is arc surface is used, improves the
The bearing capacity of three c-type circles 17.
4th c-type circle 18 is installed, the lower part of the 4th c-type circle 18 installs first grade between the lower part and valve body 1 of the spool 2
Circle 3.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (4)
1. a kind of full balance stop valve of vertical gas control, it is characterised in that：Including valve body (1), the top of valve body (1) opens up C controls
Mouth (21), valve body (1) inside are located at C control mouths (21) lower part installation piston (12), the middle part upside installed plug of piston (12)
(11), the lead screw end of installation soket head cap screw (15) on the downside of the middle part of piston (12), soket head cap screw (15) is installed by spool
(2), it is provided with opening up up big and down small stepped hole in piston (12), the head of screw of the soket head cap screw (15) is located at
In the aperture of stepped hole, the plug (11) is mounted in the macropore of stepped hole, and the lower, outer perimeter of piston (12) installs main spring
(9) inside of upper end, valve body (1) is located at piston (12) lower part installation guide sleeve (6), the lower end of main spring (9) and guide sleeve
(6) top coordinates, and is provided on guide sleeve (6) opening up and recessed for being embedded in for the lower end of the main spring (9)
Slot, spool (2) pass through the middle part of guide sleeve (6), are located at spool (2) periphery setting cushion pad (7), valve body (1) on guide sleeve (6)
Be internally located at setting sealing ring (4) on the downside of guide sleeve (6), sealing ring (4) and the periphery of spool (2) coordinate, valve body (1) lower part
Side opens up A imports (19), and A imports (19) are communicated with spool (2) side, and valve body (1) lower part other side opens up the outlets B (20), B
Outlet (20) is communicated with the other side of spool (2).
2. the full balance stop valve of vertical gas control according to claim 1, it is characterised in that：The piston (12) and valve body
(1) the second c-type circle (14), the lower part installation third ring washer (10) of the second c-type circle (14) are installed between.
3. the full balance stop valve of vertical gas control according to claim 1, it is characterised in that：The guide sleeve (6) and valve body
(1) third c-type circle (17) is installed, the second ring washer (5) is installed on the top of third c-type circle (17) between.
4. the full balance stop valve of vertical gas control according to claim 1, it is characterised in that：The lower part of the spool (2) with
4th c-type circle (18) is installed, the first ring washer (3) is installed in the lower part of the 4th c-type circle (18) between valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410557380.9A CN105889580B (en) | 2014-10-16 | 2014-10-16 | A kind of vertical gas control balance stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410557380.9A CN105889580B (en) | 2014-10-16 | 2014-10-16 | A kind of vertical gas control balance stop valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105889580A CN105889580A (en) | 2016-08-24 |
| CN105889580B true CN105889580B (en) | 2018-09-14 |
Family
ID=57000482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410557380.9A Active CN105889580B (en) | 2014-10-16 | 2014-10-16 | A kind of vertical gas control balance stop valve |
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| Country | Link |
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| CN (1) | CN105889580B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939992A (en) * | 2017-12-29 | 2018-04-20 | 湖南鸿辉科技有限公司 | A kind of high pressure plug-in water valve |
| CN111022655B (en) * | 2019-11-27 | 2022-03-04 | 西安航天动力研究所 | Pneumatic control valve with bidirectional reliable stop seal |
| RU2728565C1 (en) * | 2019-12-05 | 2020-07-31 | Общество С Ограниченной Ответственностью "Научно-Технологический Центр "Геомеханика" | Slide-type pneumatic-hydraulic high-pressure valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2052095U (en) * | 1989-06-14 | 1990-01-31 | 上海东风机器厂 | Pressure-reducing valve with big overflow |
| CN201502719U (en) * | 2009-10-21 | 2010-06-09 | 浙江荣升机械有限公司 | Pneumatic two-position stop valve |
| CN202441882U (en) * | 2012-02-26 | 2012-09-19 | 宁波东平齿轮制造有限公司 | Sealing structure of planetary reducer |
| CN103498942A (en) * | 2013-09-02 | 2014-01-08 | 河南航天液压气动技术有限公司 | Valve |
| CN204328103U (en) * | 2014-10-16 | 2015-05-13 | 河南航天液压气动技术有限公司 | A kind of vertical gas control balance stop valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8251373B2 (en) * | 2009-07-17 | 2012-08-28 | GM Global Technology Operations LLC | Seal performance for hydrogen storage and supply systems |
-
2014
- 2014-10-16 CN CN201410557380.9A patent/CN105889580B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2052095U (en) * | 1989-06-14 | 1990-01-31 | 上海东风机器厂 | Pressure-reducing valve with big overflow |
| CN201502719U (en) * | 2009-10-21 | 2010-06-09 | 浙江荣升机械有限公司 | Pneumatic two-position stop valve |
| CN202441882U (en) * | 2012-02-26 | 2012-09-19 | 宁波东平齿轮制造有限公司 | Sealing structure of planetary reducer |
| CN103498942A (en) * | 2013-09-02 | 2014-01-08 | 河南航天液压气动技术有限公司 | Valve |
| CN204328103U (en) * | 2014-10-16 | 2015-05-13 | 河南航天液压气动技术有限公司 | A kind of vertical gas control balance stop valve |
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| Publication number | Publication date |
|---|---|
| CN105889580A (en) | 2016-08-24 |
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