CN206637102U - A kind of ultra-low temperature throttle valve - Google Patents
A kind of ultra-low temperature throttle valve Download PDFInfo
- Publication number
- CN206637102U CN206637102U CN201720404412.0U CN201720404412U CN206637102U CN 206637102 U CN206637102 U CN 206637102U CN 201720404412 U CN201720404412 U CN 201720404412U CN 206637102 U CN206637102 U CN 206637102U
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- Prior art keywords
- support
- ultra
- low temperature
- valve
- bonnet
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Abstract
It the utility model is related to valve technology field, more particularly to a kind of ultra-low temperature throttle valve, including valve body, flashboard, valve rod, bonnet, valve rod driving device, bonnet is installed on the valve body, the valve rod connects flashboard through bonnet, lengthening support is installed on the bonnet, support is installed on the lengthening support, the valve rod driving device is arranged on above support, the pedestal lower end is provided with dismountable seal receptacle, filler is provided between rack inner wall and valve rod above the seal receptacle, hold-down grid is provided with above the filler.Seal receptacle is arranged to dismountable, when seal receptacle wears, can dismantle, be changed, to increase the service life of ultra-low temperature throttle valve.
Description
Technical field
It the utility model is related to valve technology field, and in particular to a kind of ultra-low temperature throttle valve.
Background technology
Ultra-low temperature throttle valve is used for the cut-out of the fluids within pipes of cryogenic media, mostly used in electric power, waterpower, petrochemical industry, metallurgy
Etc. industry.Patent CN201320426198.0 discloses a kind of ultra-low temperature throttle valve, including valve body, and valve is provided with the valve body
, long bonnet is installed on the valve body, draining board is circumferentially installed on the outer wall of the long bonnet, installed in the long bonnet
There is the valve rod stretched into through the long bonnet and bottom in the valve body, the bottom of the valve rod is connected with and the seat compression
The flashboard of cooperation, relief hole is provided with the flashboard, is provided between the upper end of the long bonnet and the valve rod close
Seal apparatus, the top of the valve rod are provided with valve stem nut, and the valve stem nut is provided with valve rod tumbler.The upper sealing
Device includes the packing cavity being arranged between the upper end of the long bonnet and the valve rod, is filled with the packing cavity
Expect, hold-down grid is installed above the filler, seal receptacle is provided with long bonnet, filler is arranged on above seal receptacle, so
When setting guarantee valve wide open, long bonnet cavity communicates with body cavity, avoids abnormal boosting.Seal receptacle is integrated with long bonnet
, problems be present in this structure：It is close due to the upper and lower displacement of valve rod and the corrosion function of gas after long-time use
Seat inwall is sealed it is possible that abrasion, by seal receptacle and long bonnet be set to if one just can not repair and replacement, influence gate valve
Service life.
The content of the invention
The utility model is in view of the above-mentioned problems, provide a kind of ultra-low temperature throttle valve.
Technical solution adopted in the utility model is as follows：A kind of ultra-low temperature throttle valve, including valve body, flashboard, valve rod, valve
Cover, valve rod driving device, bonnet is installed on the valve body, the valve rod connects flashboard through bonnet, is provided with the bonnet
Support is lengthened, support is installed on the lengthening support, the valve rod driving device is arranged on above support, the pedestal lower end
Provided with dismountable seal receptacle, filler is provided between the rack inner wall and valve rod above the seal receptacle, is set above the filler
There is hold-down grid.
The inwall of the seal receptacle and pedestal lower end is connected through a screw thread.
The valve rod is provided with axle sleeve, and the axle sleeve is limited between the bonnet and lengthening support.
The axle sleeve is provided with through hole, the inner chamber of the through hole connection inner chamber and the valve body for lengthening support.
The bonnet upper end is provided with the first groove being adapted to the axle sleeve, and the axle sleeve is located in the first groove.
Gasket seal is equipped between the bonnet and lengthening support and between the lengthening support and support, and is led to
Cross bolt connection.
The flashboard is forged steel material.
The flashboard is wedge shape, and the flashboard is provided with relief hole.
The valve rod driving device includes handwheel, is provided with valve stem nut inside the handwheel, the valve stem nut with it is described
Handwheel circumferentially links, and the support is provided with the second groove, and the valve stem nut is provided with extension, and the extending area is in the
In two grooves, and it is spacing with gland, the valve stem nut is provided between the outside and rack inner wall above and below extension
Bearing, the relatively described support of the valve stem nut can be rotated in a circumferential direction, and the inner chamber of the valve stem nut is connected with valve rod spiral.
The lengthening support is provided with draining board.
The beneficial effects of the utility model are as follows：Seal receptacle is arranged to dismountable, is when abrasion occurs in seal receptacle, can
With dismounting, changed, to increase the service life of ultra-low temperature throttle valve.
Brief description of the drawings
Fig. 1 is the structural representation of ultra-low temperature throttle valve.
Fig. 2 is the enlarged diagram at A in Fig. 1.
Fig. 3 is the structural representation of bonnet.
Fig. 4 is the structural representation of support.
Fig. 5 is the structural representation of axle sleeve.
In figure, 1, valve body；2, flashboard；201, relief hole；3, valve rod；4, bonnet；401, the first groove；5, handwheel；6, add
Long stent；7, support；701, the second groove；8, seal receptacle；9, axle sleeve；901, through hole；10, hold-down grid；11, valve stem nut；
12, gland；13, bearing；14, draining board；15, filler；16, gasket seal.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the utility model can be better described.
A kind of ultra-low temperature throttle valve, including valve body 1, flashboard 2, valve rod 3, bonnet 4, valve rod driving device, pacify on the valve body 1
Bonnet 4 is filled, the valve rod 3 connects flashboard 2 through bonnet 4, is provided with the bonnet 4 and lengthens support 6, the lengthening support 6
On support 7 is installed, the valve rod driving device is arranged on the top of support 7, and the lower end of support 7 is provided with dismountable seal receptacle
8, filler 15 is provided between the inwall of support 7 and valve rod 3 of the top of seal receptacle 8, the top of filler 15 is provided with hold-down grid
10.Seal receptacle is arranged to dismountable, is that can dismantle, be changed when abrasion occurs in seal receptacle, to increase ultralow temperature lock
The service life of valve.
The seal receptacle 8 and the inwall of the lower end of support 7 are connected through a screw thread.So easy to process, dismounting is also convenient for.Also may be used
It is many compared to trouble so that seal receptacle is fixed on into the lower end of support 7 by screw.
The valve rod 3 is provided with axle sleeve 9, and the axle sleeve 9 is limited between the bonnet 4 and lengthening support 6.Axle sleeve 9 is right
Valve rod plays positioning action.
The axle sleeve 9 is provided with through hole 901, and the through hole 901 connects inner chamber and the valve body 1 of the lengthening support 6
Inner chamber.Lengthening rack bore is communicated with valve body middle chamber, avoid and lengthen the danger that the medium of rack bore boosts extremely.
The upper end of bonnet 4 is provided with the first groove 401 being adapted to the axle sleeve 9, and the axle sleeve 9 is located at the first groove
In 401.Can also lengthen support bottom to set, so installation can bother a lot.
Gasket seal 16 is equipped between the bonnet 4 and lengthening support 6 and between the lengthening support 6 and support 7,
And it is bolted.Strengthen sealing.
The flashboard 2 is forged steel material.The intensity and Toughness Ratio cast steel flashboard of forged steel flashboard are good, while flexible flashboard
Function.
The flashboard 2 is wedge shape, and the flashboard 2 is provided with relief hole 201.；Relief hole can ensure valve body middle chamber with entering
Mouth end communicates, and prevents lumen from boosting extremely.
The valve rod driving device includes handwheel 5, and the inside of handwheel 5 is provided with valve stem nut 11, the valve stem nut 11
With the circumferential linkage of the handwheel 5, the support 7 is provided with the second groove 701, and the valve stem nut 11 is provided with extension
1101, the extension 1101 is located in the second groove 701, and spacing with gland 12, and the valve stem nut 11 is in extension
Bearing 13 is provided between outside and rack inner wall above and below in the of 1101, the relatively described support 7 of the valve stem nut 11 can week
To rotation, the inner chamber of the valve stem nut 11 is connected with the spiral of valve rod 3.The resistance of so handwheel is smaller.
The lengthening support 6 is provided with draining board 14.Draining board can effectively graduated release valve temperature to upper sealing device and valve
The transmission of bar upper end, be further ensured that the Part temperature on filler and valve rod top more than 0 DEG C, draining board can also prevent rainwater and
Condensed water instills valve.
A kind of embodiment of the present utility model is the foregoing is only, is not used for limiting the scope of protection of the utility model；
The scope of protection of the utility model is limited by the claim in claims, and it is every made according to utility model it is equivalent
Change and modification, all within the protection domain of the utility model patent.
Claims (10)
1. a kind of ultra-low temperature throttle valve, including valve body（1）, flashboard（2）, valve rod（3）, bonnet（4）, valve rod driving device, the valve
Body（1）Upper installation bonnet（4）, the valve rod（3）Through bonnet（4）Connect flashboard（2）, it is characterised in that：The bonnet（4）On
Lengthening support is installed（6）, the lengthening support（6）On support is installed（7）, the valve rod driving device is arranged on support
（7）Top, the support（7）Lower end is provided with dismountable seal receptacle（8）, the seal receptacle（8）The support of top（7）Inwall with
Valve rod（3）Between be provided with filler（15）, the filler（15）Top is provided with hold-down grid（10）.
2. ultra-low temperature throttle valve according to claim 1, it is characterised in that：The seal receptacle（8）With support（7）Lower end it is interior
Wall is connected through a screw thread.
3. ultra-low temperature throttle valve according to claim 1, it is characterised in that：The valve rod（3）It is provided with axle sleeve（9）, it is described
Axle sleeve（9）It is limited in the bonnet（4）With lengthening support（6）Between.
4. ultra-low temperature throttle valve according to claim 3, it is characterised in that：The axle sleeve（9）Provided with through hole（901）, it is described
Through hole（901）Connect the lengthening support（6）Inner chamber and the valve body（1）Inner chamber.
5. ultra-low temperature throttle valve according to claim 3, it is characterised in that：The bonnet（4）Upper end is provided with and the axle sleeve
（9）First groove of adaptation（401）, the axle sleeve（9）Positioned at the first groove（401）It is interior.
6. ultra-low temperature throttle valve according to claim 1, it is characterised in that：The bonnet（4）With lengthening support（6）Between with
And the lengthening support（6）With support（7）Between be equipped with gasket seal（16）, and be bolted.
7. ultra-low temperature throttle valve according to claim 1, it is characterised in that：The flashboard（2）For forged steel material.
8. the ultra-low temperature throttle valve according to claim 1 or 7, it is characterised in that：The flashboard（2）For wedge shape, the flashboard
（2）It is provided with relief hole（201）.
9. ultra-low temperature throttle valve according to claim 1, it is characterised in that：The valve rod driving device includes handwheel（5）, institute
State handwheel（5）Inside is provided with valve stem nut（11）, the valve stem nut（11）With the handwheel（5）Circumferential linkage, the support
（7）It is provided with the second groove（701）, the valve stem nut（11）It is provided with extension（1101）, the extension（1101）Position
In the second groove（701）It is interior, and use gland（12）It is spacing, the valve stem nut（11）In extension（1101）Above and below
Bearing is provided between outside and rack inner wall（13）, the valve stem nut（11）Relatively described support（7）It can rotate in a circumferential direction, it is described
Valve stem nut（11）Inner chamber and valve rod（3）Spiral connects.
10. ultra-low temperature throttle valve according to claim 1, it is characterised in that：The lengthening support（6）It is provided with draining board
（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720404412.0U CN206637102U (en) | 2017-04-18 | 2017-04-18 | A kind of ultra-low temperature throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720404412.0U CN206637102U (en) | 2017-04-18 | 2017-04-18 | A kind of ultra-low temperature throttle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206637102U true CN206637102U (en) | 2017-11-14 |
Family
ID=60246542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720404412.0U Expired - Fee Related CN206637102U (en) | 2017-04-18 | 2017-04-18 | A kind of ultra-low temperature throttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206637102U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115681535A (en) * | 2022-10-21 | 2023-02-03 | 江苏圣业阀门有限公司 | High-temperature pressure sealing gate valve |
-
2017
- 2017-04-18 CN CN201720404412.0U patent/CN206637102U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115681535A (en) * | 2022-10-21 | 2023-02-03 | 江苏圣业阀门有限公司 | High-temperature pressure sealing gate valve |
| CN115681535B (en) * | 2022-10-21 | 2023-09-15 | 江苏圣业阀门有限公司 | High-temperature pressure sealing gate valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 Termination date: 20200418 |