CN206988445U - A kind of cryogenic globe valve - Google Patents
A kind of cryogenic globe valve Download PDFInfo
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- CN206988445U CN206988445U CN201720758585.2U CN201720758585U CN206988445U CN 206988445 U CN206988445 U CN 206988445U CN 201720758585 U CN201720758585 U CN 201720758585U CN 206988445 U CN206988445 U CN 206988445U
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- valve
- flap
- cryogenic globe
- guide sleeve
- valve body
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Abstract
The utility model discloses a kind of cryogenic globe valve, flap bottom is provided with guide sleeve, guide sleeve is fixed by connector and spring washer, valve seat is provided between flap and guide sleeve, filler assembly is provided between valve rod and bonnet, O-ring is further disposed at filler assembly top, O-ring top is provided with gland, valve body is provided with curved end, and curved end makes valve body and valve seat forms linear sealing, and the contact jaw of flap and valve seat is provided with water wave face.The utility model provides a kind of cryogenic globe valve, and guide sleeve is added at flap, is fixed using bolt and spring washer, and positioning and guide effect are played in the sealing to valve；At low temperatures, spring washer serves the function of compensating automatically, ensure that the sealing of valve, and simple in construction, compact, sealing is preferable, and installation and removal are all very convenient, and practicality is stronger.
Description
Technical field
Fluid control valve technical field is the utility model is related to, particularly a kind of cryogenic globe valve.
Background technology
As developing rapidly for oil, chemical industry and gas industry, especially liquefied natural gas (LNG) are as a kind of emerging
The extensive use of the energy so that the demand of cryogenic valve increases sharply.
Cryogenic globe valve is applied to liquid oxygen, the warehousing and transportation facilities of the liquefied gas at low temp such as liquid nitrogen and liquefied natural gas, as basin,
On the low-temperature pressure containers such as tank car, tank container, for controlling opening or closing for low-temperature pressure container pipeline.Liquid oxygen,
The media operation environment of the low temperature such as liquid nitrogen, liquid argon, liquefied natural gas or ultralow temperature, temperature are generally in -196 DEG C to 0 DEG C low
Under temperature, the Material shrinkage of sealing ring, sealing ring can be caused to loosen, it is impossible to ensure the good sealing property of valve.Existing low temperature
Stop valve clack does not have guide collar, at low ambient temperatures, because the contraction distortion of material, it is impossible to effectively ensures that sealing ring is answered
Position, so as to influence the effect of sealing.
The Chinese invention new patent of Application No. number 201110032605.5 discloses a kind of cryogenic globe valve, including
Valve body, bonnet assemblies, flap, valve rod, adjusting handle, bonnet assemblies are arranged on valve body；Flap is arranged in valve body, flap
On be provided with sealing ring；Valve rod is arranged in bonnet assemblies, and one end is connected with flap, and the other end is connected with adjusting handle.
Mounting groove is provided with described adjusting handle, nameplate and bushing and bullet for installing fixed nameplate are provided with mounting groove
Spring, but the patent does not also solve the problems such as low temperature environment lower seal can not reset in time.
The content of the invention
In view of the above-mentioned problems of the prior art, the utility model provides a kind of cryogenic globe valve, increase at flap
Guide sleeve, is fixed using bolt and spring washer, and positioning and guide effect are played in sealing to valve；At low temperatures,
Spring washer serves the function of compensating automatically, ensure that the sealing of valve, and simple in construction, compact, sealing is preferable, pacifies installation and dismantling
Unload all easily, practicality is stronger.
To achieve these goals, the technical solution adopted in the utility model is：A kind of cryogenic globe valve, including valve body and
Bonnet, the valve body is interior to be provided with valve rod, and one end of valve rod is provided with flap, and the other end of valve rod is provided with adjusting handle, flap bottom
Provided with guide sleeve, guide sleeve is fixed by connector and spring washer, valve seat is provided between flap and guide sleeve, between valve rod and bonnet
Provided with filler assembly, O-ring is further disposed at filler assembly top, and O-ring top is provided with gland, and valve body is provided with arc
Shape end face, curved end make valve body and valve seat form linear sealing, and the contact jaw of flap and valve seat is provided with water wave face.
Preferably, the connector is fixing bolt.
Any of the above-described scheme is preferably, and the filler assembly includes flexible graphite packing layer and graphite packing packing layer.
Any of the above-described scheme is preferably, and the filler assembly is fixed by O-ring and gland.
Any of the above-described scheme is preferably, and admission chamber is provided with the valve body and goes out sap cavity.
Any of the above-described scheme is preferably, and the quantity of the O-ring is two.
Any of the above-described scheme is preferably, and described two O-rings are separately positioned on the inner side and outer side of gland.
Any of the above-described scheme is preferably, and described two O-rings are arranged concentrically.
Any of the above-described scheme is preferably, and the internal diameter and external diameter of described two O-rings differ.
Any of the above-described scheme is preferably, and average mark is furnished with a plurality of water wave line on the water wave face.
Any of the above-described scheme is preferably, and the valve seat is made of polytrifluorochloroethylene.
Beneficial effect：
The beneficial effects of the utility model are：Flap bottom is provided with guide sleeve, and guide sleeve is fixed by connector and spring washer,
Valve seat is provided between flap and guide sleeve, filler assembly is provided between valve rod and bonnet, O-ring is further disposed at filler assembly
Top, O-ring top are provided with gland, and valve body is provided with curved end, and curved end makes valve body and valve seat form linear sealing,
The contact jaw of flap and valve seat is provided with water wave face.
The utility model has advantages below：
（1）, the utility model a kind of cryogenic globe valve is provided, guide sleeve is added at flap, using bolt and spring washer
It is fixed, positioning and guide effect are played in the sealing to valve；
（2）, at low temperatures, spring washer serves the function of compensating automatically, ensure that the sealing of valve, structure letter
Single, compact, sealing is preferable, and installation and removal are all very convenient, and practicality is stronger.
Brief description of the drawings
Fig. 1 is the structural representation of the preferred embodiment of cryogenic globe valve one of the present utility model；
Fig. 2 is a Fig. 1 partial structurtes enlarged diagram；
Fig. 3 is Fig. 1 another partial structurtes enlarged diagram.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
To achieve these goals, the technical solution adopted in the utility model is：
As shown in Figure 1-Figure 3, a kind of cryogenic globe valve, including valve body 1 and bonnet 2, the valve body 1 is interior to be provided with valve rod 3, valve
One end of bar 3 is provided with flap 4, and the other end of valve rod 3 is provided with adjusting handle 5, and the bottom of flap 4 is provided with guide sleeve 6, and guide sleeve 6 is logical
Cross connector and spring washer 8 is fixed, valve seat 7 is provided between flap 4 and guide sleeve 6.
Filler assembly 9 is provided between valve rod 3 and bonnet 2, O-ring 10 is further disposed at the top of filler assembly 9, O-ring
10 tops are provided with gland 11, and valve body 1 is provided with curved end 12, and curved end 12 makes to form line between valve body 1 and valve seat 7
The contact jaw of sealing, flap 4 and valve seat 7 is provided with water wave face 41.Curved end 12 makes the sealing surface of valve body 1 and the formation line of valve seat 7 close
Envelope.Water wave face 41 can ensure the sealing property of valve seat 7 and flap 4.
The technical scheme that the utility model further optimizes is that the connector is fixing bolt.
The technical scheme that the utility model further optimizes is that the filler assembly 9 includes graphite packing packing layer.Filler
Component 9 is fixed by O-ring 10 and gland 11.
The technical scheme that the utility model further optimizes is that the quantity of the O-ring 10 is two.
The technical scheme that the utility model further optimizes is that the valve seat 7 is made up of polytrifluorochloroethylene.
The utility model has advantages below：
（1）, the utility model a kind of cryogenic globe valve is provided, guide sleeve is added at flap, using bolt and spring washer
It is fixed, positioning and guide effect are played in the sealing to valve；；
（2）, at low temperatures, spring washer serves the function of compensating automatically, ensure that the sealing of valve, structure letter
Single, compact, sealing is preferable, and installation and removal are all very convenient, and practicality is stronger.
Embodiment 2
A kind of cryogenic globe valve, and unlike embodiment 1, including valve body 1 and bonnet 2, the valve body 1 is interior to be provided with valve rod
3, one end of valve rod 3 is provided with flap 4, and the other end of valve rod 3 is provided with adjusting handle 5, and the bottom of flap 4 is provided with guide sleeve 6, guide sleeve
6 are fixed by connector and spring washer 8, and valve seat 7 is provided between flap 4 and guide sleeve 6, and filler group is provided between valve rod 3 and bonnet 2
Part 9, O-ring 10 are further disposed at the top of filler assembly 9, and the top of O-ring 10 is provided with gland 11, valve body 1 is provided with arc
Shape end face 12, curved end 12 make to form linear sealing between valve body 1 and valve seat 7, and the contact jaw of flap 4 and valve seat 7 is provided with water wave
Face 41.
Embodiment 3
A kind of cryogenic globe valve, and unlike embodiment 1, including valve body 1 and bonnet 2, the valve body 1 is interior to be provided with valve rod
3, one end of valve rod 3 is provided with flap 4, and the other end of valve rod 3 is provided with adjusting handle 5, and the bottom of flap 4 is provided with guide sleeve 6, guide sleeve
6 are fixed by connector and spring washer 8, and valve seat 7 is provided between flap 4 and guide sleeve 6, and filler group is provided between valve rod 3 and bonnet 2
Part 9, O-ring 10 are further disposed at the top of filler assembly 9, and the top of O-ring 10 is provided with gland 11, valve body 1 is provided with arc
Shape end face 12, curved end 12 make to form linear sealing between valve body 1 and valve seat 7, and the contact jaw of flap 4 and valve seat 7 is provided with water wave
Face 41, the filler assembly 9 include flexible graphite packing layer.
Embodiment 4
A kind of cryogenic globe valve, and unlike embodiment 1, including valve body 1 and bonnet 2, the valve body 1 is interior to be provided with valve rod
3, one end of valve rod 3 is provided with flap 4, and the other end of valve rod 3 is provided with adjusting handle 5, and the bottom of flap 4 is provided with guide sleeve 6, guide sleeve
6 are fixed by connector and spring washer 8, and valve seat 7 is provided between flap 4 and guide sleeve 6, and filler group is provided between valve rod 3 and bonnet 2
Part 9, O-ring 10 are further disposed at the top of filler assembly 9, and the top of O-ring 10 is provided with gland 11, valve body 1 is provided with arc
Shape end face 12, curved end 12 make to form linear sealing between valve body 1 and valve seat 7, and the contact jaw of flap 4 and valve seat 7 is provided with water wave
Face 41, the filler assembly 9 include flexible graphite packing layer, and admission chamber is provided with the valve body 1 and goes out sap cavity.
Embodiment 5
A kind of cryogenic globe valve, and unlike embodiment 1, including valve body 1 and bonnet 2, the valve body 1 is interior to be provided with valve rod
3, one end of valve rod 3 is provided with flap 4, and the other end of valve rod 3 is provided with adjusting handle 5, and the bottom of flap 4 is provided with guide sleeve 6, guide sleeve
6 are fixed by connector and spring washer 8, and valve seat 7 is provided between flap 4 and guide sleeve 6, and filler group is provided between valve rod 3 and bonnet 2
Part 9, O-ring 10 are further disposed at the top of filler assembly 9, and the top of O-ring 10 is provided with gland 11, valve body 1 is provided with arc
Shape end face 12, curved end 12 make to form linear sealing between valve body 1 and valve seat 7, and the contact jaw of flap 4 and valve seat 7 is provided with water wave
Face 41, the filler assembly 9 include flexible graphite packing layer, and admission chamber is provided with the valve body 1 and goes out sap cavity, two O-rings
10 are separately positioned on the inner side and outer side of gland 11.
Embodiment 6
A kind of cryogenic globe valve, and unlike embodiment 1, including valve body 1 and bonnet 2, the valve body 1 is interior to be provided with valve rod
3, one end of valve rod 3 is provided with flap 4, and the other end of valve rod 3 is provided with adjusting handle 5, and the bottom of flap 4 is provided with guide sleeve 6, guide sleeve
6 are fixed by connector and spring washer 8, and valve seat 7 is provided between flap 4 and guide sleeve 6, and filler group is provided between valve rod 3 and bonnet 2
Part 9, O-ring 10 are further disposed at the top of filler assembly 9, and the top of O-ring 10 is provided with gland 11, valve body 1 is provided with arc
Shape end face 12, curved end 12 make to form linear sealing between valve body 1 and valve seat 7, and the contact jaw of flap 4 and valve seat 7 is provided with water wave
Face 41, the filler assembly 9 include flexible graphite packing layer, and admission chamber is provided with the valve body 1 and goes out sap cavity, described two O
Type circle 10 is arranged concentrically, and the internal diameter and external diameter of described two O-rings differ.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should all cover within the scope of protection of the utility model.
Claims (11)
1. a kind of cryogenic globe valve, including valve body and bonnet, it is characterised in that be provided with valve rod, one end of valve rod in the valve body
Provided with flap, the other end of valve rod is provided with adjusting handle, and flap bottom is provided with guide sleeve, and guide sleeve is consolidated by connector and spring washer
It is fixed, valve seat is provided between flap and guide sleeve, filler assembly is provided between valve rod and bonnet, O-ring is further disposed at filler
Component top, O-ring top are provided with gland, and valve body is provided with curved end, and curved end makes valve body and valve seat form line
The contact jaw of sealing, flap and valve seat is provided with water wave face.
2. a kind of cryogenic globe valve according to claim 1, it is characterised in that the connector is fixing bolt.
3. a kind of cryogenic globe valve according to claim 1, it is characterised in that the filler assembly is filled out including soft graphite
The bed of material and graphite packing packing layer.
4. a kind of cryogenic globe valve according to claim 3, it is characterised in that the filler assembly is by O-ring and fills out
Material gland is fixed.
5. a kind of cryogenic globe valve according to claim 1, it is characterised in that admission chamber is provided with the valve body and goes out liquid
Chamber.
6. a kind of cryogenic globe valve according to claim 1, it is characterised in that the quantity of the O-ring is two.
7. a kind of cryogenic globe valve according to claim 6, it is characterised in that described two O-rings, which are separately positioned on, to be filled out
Expect the inner side and outer side of gland.
8. a kind of cryogenic globe valve according to claim 7, it is characterised in that described two O-rings are arranged concentrically.
9. a kind of cryogenic globe valve according to claim 8, it is characterised in that the internal diameter and external diameter of described two O-rings
Differ.
10. a kind of cryogenic globe valve according to claim 1, it is characterised in that average mark is furnished with more on the water wave face
Bar water wave line.
11. a kind of cryogenic globe valve according to claim 1, it is characterised in that the valve seat uses polytrifluorochloroethylene
It is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720758585.2U CN206988445U (en) | 2017-06-27 | 2017-06-27 | A kind of cryogenic globe valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720758585.2U CN206988445U (en) | 2017-06-27 | 2017-06-27 | A kind of cryogenic globe valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206988445U true CN206988445U (en) | 2018-02-09 |
Family
ID=61399757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720758585.2U Active CN206988445U (en) | 2017-06-27 | 2017-06-27 | A kind of cryogenic globe valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206988445U (en) |
-
2017
- 2017-06-27 CN CN201720758585.2U patent/CN206988445U/en active Active
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