CN207830609U - Deep cooling cryogenic ball valve - Google Patents
Deep cooling cryogenic ball valve Download PDFInfo
- Publication number
- CN207830609U CN207830609U CN201721920616.6U CN201721920616U CN207830609U CN 207830609 U CN207830609 U CN 207830609U CN 201721920616 U CN201721920616 U CN 201721920616U CN 207830609 U CN207830609 U CN 207830609U
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- Prior art keywords
- valve
- valve body
- extension bar
- deck
- bolt
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Abstract
The utility model is related to rock bit technical field more particularly to a kind of deep cooling cryogenic ball valves, including valve body, hex bolts, sphere, valve deck, valve seat, valve rod, valve body extension bar, filling body and handle；The valve deck is fixed together by the hex bolts and the valve body, valve seat is mounted between valve deck and valve body, sphere installation is in valve seat, the valve rod is connect with the top of the sphere, valve body extension bar is fixed on the top of the valve body, valve rod is placed in the inside of valve body extension bar, and filling body is installed on the top of valve body extension bar, and valve rod passes through filling body to be connect with institute handle.This structure is low in valve body temperature and when contraction distortion, the low temperature on valve body can at once be conducted to bolt, and bolt is cooled contraction distortion simultaneously, ensure that the synchronous of valve body and bolt deforms, thus not will produce leakage between valve body and valve deck.
Description
Technical field
The utility model is related to ball valve technical field more particularly to a kind of deep cooling cryogenic ball valves.
Background technology
Conventional cryogenic ball valve passes through two valve decks to connect using very long bolt, when valve body low temperature is cooled contraction distortion,
Valve body temperature not yet conduction on bolt, at this time bolt will not contraction distortion, cause valve body deformation asynchronous with bolt in this way,
The leakage (after valve body contraction distortion and before the not contracted deformation of bolt) for leading to valve body and valve cover chamber, leaks up to bolt and also receives herein
Can just it stop after compression deformation.
Utility model content
Purpose of the utility model is to overcome the shortcomings of the above technology, and to provide a kind of deep cooling cryogenic ball valves.
The utility model to achieve the above object, using following technical scheme：
A kind of deep cooling cryogenic ball valve, it is characterised in that：Including valve body, hex bolts, sphere, valve deck, valve seat, valve rod, valve
Body extension bar, filling body and handle；The valve deck is fixed together by the hex bolts and the valve body, valve seat dress
Between valve deck and valve body, in valve seat, the valve rod is connect sphere installation with the top of the sphere, and valve body extension bar is fixed
On the top of the valve body, valve rod is placed in the inside of valve body extension bar, and filling body is installed on the top of valve body extension bar, and valve rod is worn
Filling body is crossed to connect with institute handle.
Preferably, the top setting spring and stainless steel ball of the valve rod.It is spring-loaded by being arranged on valve rod
Stainless steel ball, it is ensured that valve rod connect to form electrostatic channel with valve body/valve body extension bar, to realize that permanent metal connects.
The utility model has the beneficial effects that:Compared with the existing technology, using the spiral shell that length is shorter between valve deck and valve body
Bolt screws in the connection type of valve body, and bolt is screwed into the half that length is more than its total length.This structure is low in valve body temperature and receives
When compression deformation, the low temperature on valve body can be conducted to bolt at once, and bolt is cooled contraction distortion simultaneously, ensure that valve body and spiral shell
The synchronous of bolt deforms, thus not will produce leakage between valve body and valve deck.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the prior art.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment of the present utility model is described in detail in preferred embodiment.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indicates or imply and is signified
Device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this practicality
Novel limitation.
As shown in Figure 1, a kind of deep cooling cryogenic ball valve, including valve body 1, hex bolts 2, sphere 3, valve deck 4, valve seat 5, valve rod
6, valve body extension bar 7, filling body 8 and handle 9；The valve deck is fixed on one by the hex bolts and the valve body
It rises, valve seat is mounted between valve deck and valve body, and sphere installation is in valve seat, and the valve rod is connect with the top of the sphere, valve body
Extension bar is fixed on the top of the valve body, and valve rod is placed in the inside of valve body extension bar, and filler is installed on the top of valve body extension bar
Mechanism, valve rod pass through filling body to be connect with institute handle.Using monoblock type extension bar rather than solder type, weld seam and ontology are avoided
Low-temperature shrink it is asynchronous and caused by weld leakage, and then extend the service life of valve.
The top setting spring 10 and stainless steel ball 11 of the valve rod.It is spring-loaded stainless by being arranged on valve rod
Steel ball, it is ensured that valve rod connect to form electrostatic channel with valve body/valve body extension bar, to realize that permanent metal connects.In valve rod
With the arrow for thering is mark to flow on valve body, can effectively prevent that mistake occurs when valve assembly and Pipe installing.
Unique valve body extension bar design allows have very thin fluid layer between extension bar and valve rod, therefore can be entire
Elongated portion realizes that best heat is transmitted and minimum energy loss.
Cryogenic gas buffering area caused by extension rod can avoid the occurrence of and freeze situation, ensure that valve can be grasped easily
Make.
The connection type of valve body is screwed between valve deck and valve body using the shorter bolt of length, it is more than it that bolt, which is screwed into length,
The half of total length.When this structure is low in valve body temperature and contraction distortion, the low temperature on valve body can be conducted at once to bolt
On, bolt is cooled contraction distortion simultaneously, ensure that the synchronous of valve body and bolt deforms, thus will not between valve body and valve deck
Generate leakage.The stem diameter of bigger and broader valve rod-sphere field of conjugate action, therefore it is resistant to high torque.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (2)
1. a kind of deep cooling cryogenic ball valve, it is characterised in that：Including valve body, hex bolts, sphere, valve deck, valve seat, valve rod, valve body
Extension bar, filling body and handle；The valve deck is fixed together by the hex bolts and the valve body, and valve seat is mounted in
Between valve deck and valve body, in valve seat, the valve rod is connect sphere installation with the top of the sphere, and valve body extension bar is fixed on
The top of the valve body, valve rod are placed in the inside of valve body extension bar, and filling body is installed on the top of valve body extension bar, and valve rod passes through
Filling body is connect with institute handle.
2. deep cooling cryogenic ball valve according to claim 1, it is characterised in that：The top setting spring and not of the valve rod
Become rusty steel ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920616.6U CN207830609U (en) | 2017-12-31 | 2017-12-31 | Deep cooling cryogenic ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920616.6U CN207830609U (en) | 2017-12-31 | 2017-12-31 | Deep cooling cryogenic ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207830609U true CN207830609U (en) | 2018-09-07 |
Family
ID=63391104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721920616.6U Active CN207830609U (en) | 2017-12-31 | 2017-12-31 | Deep cooling cryogenic ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207830609U (en) |
-
2017
- 2017-12-31 CN CN201721920616.6U patent/CN207830609U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |