CN207762255U - A kind of ultra-high pressure stopped valve of hydraulic control - Google Patents
A kind of ultra-high pressure stopped valve of hydraulic control Download PDFInfo
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- CN207762255U CN207762255U CN201721761390.XU CN201721761390U CN207762255U CN 207762255 U CN207762255 U CN 207762255U CN 201721761390 U CN201721761390 U CN 201721761390U CN 207762255 U CN207762255 U CN 207762255U
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- 238000007789 sealing Methods 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 4
- 230000008676 import Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 18
- 239000010720 hydraulic oil Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of ultra-high pressure stopped valve of hydraulic control, including valve body, the cylinder body with valve body airtight connection closes cylinder cap of the cylinder body far from valve body one end for closed cover；The first oil inlet A is provided on the cylinder cap, the cylinder side wall is provided with the second oil inlet B close to valve body one end, the valve body cental axial position is provided with the stepped throughhole being connected to the cylinder body, airtight connection has an outlet connection on the body wall, and airtight connection has inlet union on end of the valve body far from cylinder body one end；The stepped throughhole is connected to the outlet E being arranged in the outlet connection and the entrance D being arranged in the inlet union respectively.The utility model carries out the opening and closing of control throttle valve by hydraulic pressure, solves the problem of needing large volume of piston that could start or close, be unfavorable for the installation and use of valve using pneumatic mode；Meanwhile the smooth control to super-pressure can be realized using hydraulic pressure setting.
Description
Technical field
The utility model is related to valve field more particularly to the pressure valve fields of non-manual control；Specifically, it is one
The kind ultra-high pressure stopped valve of hydraulic control, commonly used in operating pressure in the fluid cut-off environment of 100Mpa or more.
Background technology
Ultra-high pressure stopped valve is component important in extra-high tension unit, with the continuous expansion of superhigh pressure technique application field
Greatly, the demand to ultra-high pressure stopped valve is also more and more.Existing ultra-high pressure stopped valve is largely manual operation.Manual operation
Ultra-high pressure stopped valve need personnel in super-pressure execute-in-place, there are security risks, and cannot achieve and automatically control.
Currently, only the ultra-high pressure stopped valve of small part uses pneumatic control, there is also some to lack for pneumatic ultra-high pressure stopped valve
It falls into.For example, the operating pressure due to pneumatic control is low（Generally 0.3 MPa~1.0MPa）, it is ultra-high pressure stopped to reach control
The required power of valve, the sectional area for controlling cylinder must be very big, so pneumatic ultra-high pressure stopped valve control section is bulky；By
It is big in the compression ratio of gas, it is unstable to be easy to cause ultra-high pressure stopped valve opening and closing, it is difficult to control.In the following, providing several
The prior art for the related shut-off valve that applicant retrieves, main contents are as follows：
The prior art 1：Chinese invention patent application, application number 201610825448.6, publication No. are CN 106545663
A discloses a kind of shut-off valve, which there is the mode that can surround pivot center swing to be supported in shell must not valve
Disk, which anti-rotatably connect with drive shaft in the housing is rotatably supported, in order to be realized in terms of processing technology
Simply, but reliable connection, the valve disc act on tapered bar and drive shaft on the star offside of drive shaft by least two
The connection of anti-rotating.
The prior art 2：Chinese invention patent, application number 201380022032.5,104350313 B of notification number CN are open
A kind of shut-off valve comprising valve chest, the valve seat being maintained on valve chest and can be moved relative to valve seat in valve chest dynamic
Valve components (40), which can be moved by adjustment unit, the shut-off valve beating in valve components based on its structure
There is flow resistance as small as possible in open position, proposed to provide this shut-off valve, valve components have valve disc (74), the valve
Disk is equipped with the sealing element (90) sticked on valve disc on its side towards valve seat.
The prior art 3：Application number 106051203 A of 201610552793 .7, publication No. CN, invention are related to a kind of valve
Door more particularly to a kind of shut-off valve.A kind of shut-off valve, is used to control the circulation size of fluid, and the shut-off valve includes opening
Closing member, valve rod, sealing device and valve body, a valve chamber for running through valve body is offered on valve body, and opening and closing element is arranged in valve chamber, opens
Closing member is internally provided with a circulation passage flowed through for fluid, and the valve rod connect with opening and closing element and opening and closing element can be driven described
It is rotated in valve chamber to control fluid flow through the uninterrupted of circulation passage, sealing device is arranged between valve rod and valve body.This hair
The shut-off valve of bright offer has the advantages that even if can also have good leakproofness in the case of long-time use.
Utility model content
The purpose of this utility model is to provide a kind of ultra-high pressure stopped valves of hydraulic control, existing ultra-high pressure stopped for solving
Valve is largely manual operation, and the ultra-high pressure stopped valve of manual operation needs personnel in super-pressure execute-in-place, it is hidden to there is safety
Suffer from, and cannot achieve the problem of automatically controlling.
The utility model is achieved through the following technical solutions：
A kind of ultra-high pressure stopped valve of hydraulic control, including valve body, the cylinder body with valve body airtight connection close the cylinder for closed cover
Cylinder cap of the body far from valve body one end；The first oil inlet A is provided on the cylinder cap, the cylinder side wall is arranged close to valve body one end
There are the second oil inlet B, the valve body cental axial position to be provided with the stepped throughhole being connected to the cylinder body, the body wall
Upper airtight connection has an outlet connection, and airtight connection has inlet union on end of the valve body far from cylinder body one end；The ladder
Shape through-hole is connected to the outlet E being arranged in the outlet connection and the entrance D being arranged in the inlet union respectively；It is described
Being equipped in cylinder body can be along the piston component that cylinder body axis direction moves reciprocatingly, and the piston component is described including being plugged on
Valve rod in stepped throughhole for controlling the outlet E and entrance D break-makes.
Operation principle：
When using the utility model, the operation principle cut-off is as follows：Firstly, it is necessary to by the hydraulic pressure of shut-off valve and control
System airtight connection, specially the first oil inlet A are connect with confession/oil return pipe of the second oil inlet B and hydraulic system；Work as hydraulic oil
From when the first oil inlet A oil inlets, the space between piston component and lid constantly increases with the continuous entrance of hydraulic oil, together
When hydraulic package and valve body between cavity be gradually reduced, at this point, hydraulic package moves down, valve rod is moved downward simultaneously institute
It is closed to state stepped throughhole blocking, reaches cut-off state.Similarly, when hydraulic oil is from the second oil inlet B oil inlets, piston component with
Space between lid constantly increases small with the continuous entrance of hydraulic oil, while the cavity between hydraulic package and valve body is gradual
Increase, at this point, hydraulic package moves up, valve rod synchronizes to move up and opens the stepped throughhole, and fluid can from entrance D
It is in connected state at this time to flow to outlet E normal through stepped throughhole.
In order to preferably realize the utility model, it is preferable that use following structure settings：The piston component includes and institute
It states inboard wall of cylinder block and seals the piston being slidably connected, the piston has spherical groove on one side end face of the valve body, described
Inside of spherical groove is equipped with the ball seat for connecting the valve rod, is additionally provided on the end face of the piston and closes ball seat for covering
The baffle and screw by being connect with piston is fixedly connected.The purpose that ball seat is arranged is that make can phase change between valve rod and piston
Angle is changed, state is hinged in any angle, is avoided because of long term, the concentricity of valve rod and piston changes, and causes to end
The work of valve is abnormal, cannot achieve completely switched off effect.
In order to preferably realize the utility model, it is preferable that use following structure settings：The ball seat and the valve rod it
Between be additionally provided with the bearing being connect with threaded stem；Be provided on the side wall of the bearing for fix the valve rod and bearing it
Between relative position locking nut.Be arranged bearing purpose be can according to the needs of actual condition, by valve rod and piston it
Between distance be finely adjusted so that shut-off valve can more accurately realize the effect of cut-off.The method of adjustment is as follows：First
Step, first unclamps locking nut, is in being normally threadedly coupled between valve rod and bearing, screwing valve rod by positive/negative direction reaches
Locking screw is tightened again after reaching expected length to phase length increase or the purpose of reduction between adjustment valve rod and bearing
Mother, the distance between valve rod and bearing is fixed.
In order to preferably realize the utility model, it is preferable that use following structure settings：The cylinder body uses spiral shell with cylinder cap
Line, which connects, and cylinder body is by proximal head is provided circumferentially about the first U-shaped groove, be equipped in the first U-shaped groove exterior seal ring with
Inboard wall of cylinder cover seals against connection.
In order to preferably realize the utility model, it is preferable that use following structure settings：The cylinder body uses spiral shell with valve body
Line, which connects, and cylinder body is by proximal head is provided circumferentially about the second U-shaped groove, be equipped in the second U-shaped groove exterior seal ring with
Valve interior wall seals against connection.
In order to preferably realize the utility model, it is preferable that use following structure settings：The inlet union and valve rod it
Between be additionally provided with valve seat；The valve seat section is tapered and is adapted with the end of prime number valve rod；Between the valve seat and valve body
It is provided with pressure-resistant seal filler.
In order to preferably realize the utility model, it is preferable that use following structure settings：The valve body is additionally provided with and institute
The spout hole C for stating stepped throughhole connection, is arranged between the spout hole C and the stepped throughhole intersection and cylinder body cavity
It is useful for sealing the inner seal ring of the valve rod and valve body.
The utility model compared with prior art, has the following advantages and advantageous effect：
（1）The utility model carries out the opening and closing of control throttle valve by hydraulic pressure, solves larger using pneumatic mode needs
The piston of volume could start or close, the problem of being unfavorable for the installation and use of valve；Meanwhile it can using hydraulic pressure setting
Realize the smooth control to super-pressure.
（2）The utility model is big using the pressure that hydraulic pressure provides and does not have compressibility, being capable of accurately control valve
Formation, be swift in motion, be quick on the draw.
Description of the drawings
Fig. 1 is the sectional structure chart of the utility model；
Wherein 1- cylinder caps；2- exterior seal rings；3- pistons；4- piston packings；5 guide rings；6- ball seats；7- baffles；8- spiral shells
Nail；9- bearings；10- locking nuts；11- cylinder bodies；12- inner seal rings；13- valve bodies；14- valve rods；15- pressure-resistant seal fillers；
16- valve seats；17- inlet unions；18- conical surface pads；19- outlet connections.
Specific implementation mode
The utility model is described in further detail with reference to embodiment, but the embodiment of the utility model is not
It is limited to this.
Embodiment 1：
In conjunction with shown in attached drawing 1, a kind of ultra-high pressure stopped valve of hydraulic control, including valve body 13, the cylinder body with 13 airtight connection of valve body
11, close cylinder cap 1 of the cylinder body 11 far from 13 one end of valve body for closed cover；The first oil inlet A is provided on the cylinder cap 1,
11 side wall of the cylinder body is provided with the second oil inlet B close to 13 one end of valve body, and 13 cental axial position of the valve body is provided with and institute
The stepped throughhole of the connection of cylinder body 11 is stated, airtight connection has outlet connection 19, the valve body 13 separate on 13 side wall of the valve body
Airtight connection has inlet union 17 on the end of 11 one end of cylinder body；The stepped throughhole is respectively with setting in the outlet connection
Outlet E in 19 is connected to the entrance D being arranged in the inlet union 17；Being equipped in the cylinder body 11 can be along cylinder body 11
The piston component that axis direction moves reciprocatingly, the piston component include being plugged in the stepped throughhole for controlling institute
State the valve rod 14 of outlet E and entrance D break-makes.
Operation principle：
When using the utility model, the operation principle cut-off is as follows：Firstly, it is necessary to by the hydraulic pressure of shut-off valve and control
System airtight connection, specially the first oil inlet A are connect with confession/oil return pipe of the second oil inlet B and hydraulic system；Work as hydraulic oil
From when the first oil inlet A oil inlets, the space between piston component and lid 1 constantly increases with the continuous entrance of hydraulic oil,
Cavity between hydraulic package and valve body 13 is gradually reduced simultaneously, at this point, hydraulic package moves down, valve rod 14 is synchronized to moving down
It is dynamic that stepped throughhole blocking is closed, reach cut-off state.Similarly, when hydraulic oil is from the second oil inlet B oil inlets, piston
Space between component and lid 1 constantly increase with the continuous entrance of hydraulic oil it is small, while between hydraulic package and valve body 13
Cavity gradually increase, at this point, hydraulic package moves up, valve rod 14 synchronizes to move up and opens the stepped throughhole,
Fluid can flow to outlet E from entrance D normal through stepped throughhole, be in connected state at this time.
Embodiment 2：
In order to preferably realize the utility model, on the basis of embodiment 1, shown in attached drawing 1, this implementation
In example, the piston component includes the piston 3 being slidably connected with 11 inner wall sealing of the cylinder body, and the piston 3 is close to the valve
There is spherical groove, the inside of spherical groove is equipped with the ball seat 6 for connecting the valve rod 14, described on 13 1 side end face of body
Baffle 7 and the screw 8 by connecting with piston 3 for covering conjunction ball seat 6 is additionally provided on the end face of piston 3 to be fixedly connected.If
The purpose of Place seat 6 is to make mutually convert angle between valve rod 14 and piston 3, and state is hinged in any angle, avoid because
Long term, valve rod 14 and the concentricity of piston 3 change, and cause the work of shut-off valve abnormal, cannot achieve and cut completely
Effect only.
In the present embodiment, the bearing 9 being threadedly coupled with valve rod 14 is additionally provided between the ball seat 6 and the valve rod 14；
The locking nut 10 for fixing relative position between the valve rod 14 and bearing 9 is provided on the side wall of the bearing 9.Setting
The purpose of bearing 9 is to be finely adjusted the distance between valve rod 14 and piston 3 according to the needs of actual condition so that
Shut-off valve can more accurately realize the effect of cut-off.The method of adjustment is as follows：The first step first unclamps locking nut 10, is
In being normally threadedly coupled between valve rod 14 and bearing 9, valve rod 14 is screwed by positive/negative direction and reaches adjustment valve rod 14 and branch
Phase length increase or the purpose of reduction tighten locking nut 10 again after reaching expected length between seat 9, by valve rod 14
The distance between bearing 9 is fixed.
In the present embodiment, the cylinder body 11 and cylinder cap 1 are using being threadedly coupled and cylinder body 11 leans on that proximal head is provided circumferentially about to be had
First U-shaped groove, is equipped with exterior seal ring 2 in the first U-shaped groove and is sealed against with 1 inner wall of cylinder cap and connect.
In the present embodiment, the cylinder body 11 and valve body 13 are using being threadedly coupled and cylinder body 11 leans on that proximal head is provided circumferentially about to be had
Second U-shaped groove, is equipped with exterior seal ring 2 in the second U-shaped groove and is sealed against with 13 inner wall of valve body and connect.
In the present embodiment, valve seat 16 is additionally provided between the inlet union 17 and valve rod 14；16 section of the valve seat is in
Taper is simultaneously adapted with the end of prime number valve rod 14；Pressure-resistant seal filler 15 is provided between the valve seat 16 and valve body 13.
In order to preferably realize the utility model, it is preferable that use following structure settings：The valve body 13 be additionally provided with
Between the spout hole C, the spout hole C and 11 cavity of the stepped throughhole intersection and cylinder body of the stepped throughhole connection
It is provided with the inner seal ring for sealing the valve rod 14 and valve body 13.
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model
System, any simple modification made by the above technical examples according to the technical essence of the present invention, equivalent variations, each falls within
Within the scope of protection of the utility model.
Claims (7)
1. a kind of ultra-high pressure stopped valve of hydraulic control, including valve body（13）, with valve body（13）The cylinder body of airtight connection（11）, for closed
Lid closes the cylinder body（11）Far from valve body（13）The cylinder cap of one end（1）；The cylinder cap（1）On be provided with the first oil inlet A, it is described
Cylinder body（11）Side wall is close to valve body（13）One end is provided with the second oil inlet B, it is characterised in that：
The valve body（13）Cental axial position is provided with and the cylinder body（11）The stepped throughhole of connection, the valve body（13）Side
Airtight connection has outlet connection on wall（19）, the valve body（13）Far from cylinder body（11）Airtight connection has import on the end of one end
Connector（17）；
The stepped throughhole is respectively with setting in the outlet connection（19）Interior outlet E and setting is in the inlet union
（17）Interior entrance D connections；The cylinder body（11）Inside being equipped with can be along cylinder body（11）The piston that axis direction moves reciprocatingly
Component, the piston component include the valve rod being plugged in the stepped throughhole for controlling the outlet E and entrance D break-makes
（14）.
2. the ultra-high pressure stopped valve of a kind of hydraulic control according to claim 1, it is characterised in that：The piston component includes and institute
State cylinder body（11）The piston that inner wall sealing is slidably connected（3）, the piston（3）Close to the valve body（13）Have on one side end face
Spherical groove, the inside of spherical groove are equipped with for connecting the valve rod（14）Ball seat（6）, the piston（3）End face
On be additionally provided with for cover close ball seat（6）Baffle（7）And by with piston（3）The screw of connection（8）It is fixedly connected.
3. the ultra-high pressure stopped valve of a kind of hydraulic control according to claim 2, it is characterised in that：The ball seat（6）With the valve
Bar（14）Between be additionally provided with and valve rod（14）The bearing of threaded connection（9）；The bearing（9）Side wall on be provided with for solid
The fixed valve rod（14）With bearing（9）Between relative position locking nut（10）.
4. the ultra-high pressure stopped valve of a kind of hydraulic control according to claim 1, it is characterised in that：The cylinder body（11）With cylinder cap
（1）Using threaded connection and cylinder body（11）There is the first U-shaped groove by proximal head is provided circumferentially about, peace in the first U-shaped groove
Equipped with exterior seal ring（2）With cylinder cap（1）Inner wall seals against connection.
5. the ultra-high pressure stopped valve of a kind of hydraulic control according to claim 1 or 4, it is characterised in that：The cylinder body（11）With valve
Body（13）Using threaded connection and cylinder body（11）There is the second U-shaped groove by proximal head is provided circumferentially about, in the second U-shaped groove
Exterior seal ring is installed（2）With valve body（13）Inner wall seals against connection.
6. the ultra-high pressure stopped valve of a kind of hydraulic control according to claim 1, it is characterised in that：The inlet union（17）With valve
Bar（14）Between be additionally provided with valve seat（16）；The valve seat（16）Section it is tapered and with prime number valve rod（14）End mutually fit
It answers；The valve seat（16）With valve body（13）Between be provided with pressure-resistant seal filler（15）.
7. the ultra-high pressure stopped valve of a kind of hydraulic control according to claim 1, it is characterised in that：The valve body（13）It is additionally provided with
The spout hole C, the spout hole C being connected to the stepped throughhole and the stepped throughhole intersection and cylinder body（11）Cavity
Between be provided with for sealing the valve rod（14）And valve body（13）Inner seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721761390.XU CN207762255U (en) | 2017-12-17 | 2017-12-17 | A kind of ultra-high pressure stopped valve of hydraulic control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721761390.XU CN207762255U (en) | 2017-12-17 | 2017-12-17 | A kind of ultra-high pressure stopped valve of hydraulic control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207762255U true CN207762255U (en) | 2018-08-24 |
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ID=63187352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721761390.XU Active CN207762255U (en) | 2017-12-17 | 2017-12-17 | A kind of ultra-high pressure stopped valve of hydraulic control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207762255U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256174A (en) * | 2018-12-01 | 2020-06-09 | 河北世轩科技有限公司 | A gas stove gas stabilization device |
| CN111536245A (en) * | 2020-06-12 | 2020-08-14 | 广东新兴铸管有限公司 | A water injection or exhaust opening and closing device for a ductile iron pipe hydraulic press |
| CN112178209A (en) * | 2020-09-03 | 2021-01-05 | 湖北三江航天红峰控制有限公司 | Bellows type ultra-low temperature pneumatic stop valve |
-
2017
- 2017-12-17 CN CN201721761390.XU patent/CN207762255U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256174A (en) * | 2018-12-01 | 2020-06-09 | 河北世轩科技有限公司 | A gas stove gas stabilization device |
| CN111536245A (en) * | 2020-06-12 | 2020-08-14 | 广东新兴铸管有限公司 | A water injection or exhaust opening and closing device for a ductile iron pipe hydraulic press |
| CN112178209A (en) * | 2020-09-03 | 2021-01-05 | 湖北三江航天红峰控制有限公司 | Bellows type ultra-low temperature pneumatic stop valve |
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