CN208123503U - A kind of detachable welded ball valve - Google Patents
A kind of detachable welded ball valve Download PDFInfo
- Publication number
- CN208123503U CN208123503U CN201820633791.5U CN201820633791U CN208123503U CN 208123503 U CN208123503 U CN 208123503U CN 201820633791 U CN201820633791 U CN 201820633791U CN 208123503 U CN208123503 U CN 208123503U
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- CN
- China
- Prior art keywords
- connecting flange
- sphere
- valve
- welded
- gasket
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- Expired - Fee Related
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Abstract
The utility model relates to ball valve technical fields,Especially a kind of detachable welded ball valve,Including sphere,Sphere side is equipped with the second connecting flange,Second connecting flange circle ring inner wall side is equipped with seal groove,Sphere is equipped with connecting tube far from the side of seal groove,Connecting tube side is equipped with the first connecting flange,The annulus Nell wall side of first connecting flange is equipped with sealing block,Sphere is equipped with third connecting flange between the first connecting flange and the second connecting flange,Two opposite spheres are bolted to form a spherical hollow space,Valve ball is equipped in spherical hollow space,Valve ball side is by being welded and fixed equipped with valve rod,Sphere side is equipped with the valve seat to match with valve rod,Valve rod one end is equipped with turntable,The second gasket is equipped between the first connecting flange side opposite with the second connecting flange,The first gasket is equipped between the seal groove and sealing block that match and between opposite third connecting flange.The utility model structure is simple, has market prospects, is suitble to promote.
Description
Technical field
The utility model relates to ball valve technical field more particularly to a kind of detachable welded ball valves.
Background technique
Valve is not to use in the position of the narrow space of train, steamer, boiler etc, hydraulic pipeline or air delivering pipeline
It is spirally connected, but uses welding.This is because the common mounting technique that its installation space is restricted, and must use, in industry
By this ball valve welding ball valve.Existing welding ball valve is mainly made of valve seat, valve ball, valve rod and handle etc., and
Essential gasket and sealing ring are equipped in valve ball.Ball valve used in narrow space position, since it is inconvenient often
Replacement, therefore its ball valve majority is using precious metal --- copper product makes, and the good heat conductivity of copper, therefore, in pipe
When installing this ball valve in road and being welded, the high temperature heat generated by electric welding can be transmitted to entire ball valve ball, and be mounted on valve
Gasket and sealing ring in ball will be deformed by this high temperature, it is made to lose sealing performance, so that make entire ball valve
Its airtightness is lost, gas leakage (water, oil) phenomenon is generated.To cause hidden danger even extensive damage.Moreover, it is existing this
There is also the defects for being inconvenient to repair and replace for kind welding ball valve.
Utility model content
Purpose of the utility model is to solve welding ball valve exists in the prior art to be inconvenient to repair and replace
Disadvantage, and a kind of detachable welded ball valve proposed.
To achieve the goals above, the utility model uses following technical solution：
A kind of detachable welded ball valve, including sphere are designed, the sphere is hemispherical cavity structure, the sphere side
It is equipped with the second connecting flange by being welded and fixed, second connecting flange is semi-annular shape, the second connecting flange annulus
Inner wall side is equipped with seal groove corresponding thereto, and side of the sphere far from the seal groove is by being welded and fixed the company of being equipped with
Adapter tube, the connecting tube side are fixed with the first connecting flange corresponding with second connecting flange, and described first connects
The annulus Nell wall side of acting flange is equipped with sealing block corresponding with the seal groove, and the sphere is in first connection method
By being welded and fixed equipped with third connecting flange, two pieces of opposite third connecting flanges between blue and described second connecting flange
The two sides of the bottom of the sphere are symmetricly set on, two opposite spheres are bolted to form a spherical hollow space,
Valve ball corresponding thereto is equipped in the spherical hollow space, the valve ball side is by being welded and fixed equipped with valve rod, the sphere
Side is equipped with the valve seat to match with the valve rod, and described valve rod one end passes through the valve seat and extends on the outside of sphere, described
Valve rod is screwed far from one end of the valve ball equipped with turntable, first connecting flange and second connecting flange
The second gasket is equipped between opposite side, between the seal groove to match and sealing block and between opposite third connecting flange
Equipped with the first gasket.
Preferably, first gasket and the second gasket are rubber structure, second gasket be with it is described
The semicircular that first connecting flange and the second connecting flange match, first gasket are continuous circular.
Preferably, between opposite first connecting flange and the second connecting flange and between the third connecting flange that matches
It is bolted.
Preferably, rubber sealing structure is equipped in the valve seat.
The utility model proposes a kind of detachable welded ball valve, beneficial effect is：Pass through the first connecting flange, second
Mutual cooperation between connecting flange, third connecting flange and the first gasket, the second gasket makes detachable welded ball valve can
While sealing, the service life and practicability of detachable welded ball valve can also be improved convenient for being quickly removed for repair or replacement.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of detachable welded ball valve structural schematic diagram；
Fig. 2 be the utility model proposes a kind of detachable welded ball valve partial sectional view；
Fig. 3 is the sphere structure schematic diagram proposed in the utility model.
In figure：Sphere 1, valve seat 2, connecting tube 3, turntable 4, valve rod 5, third connecting flange 6, the first gasket 7, first connect
Acting flange 8, the second gasket 9, the second connecting flange 10, valve ball 11, seal groove 12, sealing block 13.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of detachable welded ball valve, including sphere 1, sphere 1 are hemispherical cavity structure, sphere 1 one
By being welded and fixed equipped with the second connecting flange 10, the second connecting flange 10 is semi-annular shape, 10 annulus of the second connecting flange for side
Inner wall side is equipped with seal groove 12 corresponding thereto, and side of the sphere 1 far from seal groove 12 is equipped with connection by being welded and fixed
Pipe 3,3 side of connecting tube are fixed with first connecting flange 8 corresponding with the second connecting flange 10, the first connecting flange 8
Annulus Nell wall side is equipped with sealing block 13 corresponding with seal groove 12, and sphere 1 is in the first connecting flange 8 and the second connection method
By being welded and fixed equipped with third connecting flange 6 between orchid 10, two pieces of opposite third connecting flanges 6 are symmetricly set on sphere 1
Two sides of the bottom improve the airtight performance of detachable welded ball valve by the mutual cooperation between sealing block 13 and seal groove 12.
Two opposite spheres 1 are bolted to form a spherical hollow space, the first opposite connecting flange 8 and second
It is bolted between connecting flange 10 and between the third connecting flange 6 that matches, is equipped with corresponding thereto in spherical hollow space
Valve ball 11, for 11 side of valve ball by being welded and fixed equipped with valve rod 5,1 side of sphere is equipped with the valve seat 2 to match with valve rod 5, valve
Rubber sealing structure is equipped in seat 2,5 one end of valve rod passes through valve seat 2 and extends on the outside of sphere, valve rod 5 far from valve ball 11 one
End is screwed equipped with turntable 4, is equipped with the second sealing between the first connecting flange 8 and the opposite side of the second connecting flange 10
Pad 9 is equipped with the first gasket 7 between the seal groove 12 to match and sealing block 13 and between opposite third connecting flange 6, first is close
Packing 7 and the second gasket 9 are rubber structure, and the second gasket 9 is and 10 phase of the first connecting flange 8 and the second connecting flange
Matched semicircular, the first gasket 7 are continuous circular.
In use, passing through the first connecting flange 8, the second connecting flange 10, third connecting flange 6 and the first gasket 7, the
Mutual cooperation between two gaskets 9, make detachable welded ball valve it is sealable simultaneously, can also be convenient for quick detachable maintaining or more
It changes, improves the service life and practicability of detachable welded ball valve.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (4)
1. a kind of detachable welded ball valve, including sphere（1）, which is characterized in that the sphere（1）For hemispherical cavity structure,
The sphere（1）Side is by being welded and fixed equipped with the second connecting flange（10）, second connecting flange（10）For semicircular ring
Shape, second connecting flange（10）Circle ring inner wall side is equipped with seal groove corresponding thereto（12）, the sphere（1）It is separate
The seal groove（12）Side by being welded and fixed equipped with connecting tube（3）, the connecting tube（3）Side be fixed with it is described
Second connecting flange（10）Corresponding first connecting flange（8）, first connecting flange（8）Annulus Nell wall side set
Have and the seal groove（12）Corresponding sealing block（13）, the sphere（1）In first connecting flange（8）With described
Two connecting flanges（10）Between by being welded and fixed equipped with third connecting flange（6）, two pieces of opposite third connecting flanges（6）
It is symmetricly set on the sphere（1）Two sides of the bottom, two opposite spheres（1）It is bolted to form a spherical shape
Cavity, the interior valve ball being equipped with corresponding thereto of the spherical hollow space（11）, the valve ball（11）Side is equipped with by being welded and fixed
Valve rod（5）, the sphere（1）Side is equipped with and the valve rod（5）The valve seat to match（2）, the valve rod（5）One end passes through institute
State valve seat（2）And it extends on the outside of sphere, the valve rod（5）Far from the valve ball（11）One end be screwed be equipped with turn
Disk（4）, first connecting flange（8）With second connecting flange（10）The second gasket is equipped between opposite side（9）,
The seal groove to match（12）And sealing block（13）Between and opposite third connecting flange（6）Between be equipped with the first gasket
（7）.
2. a kind of detachable welded ball valve according to claim 1, which is characterized in that first gasket（7）And the
Two gaskets（9）It is rubber structure, second gasket（9）For with first connecting flange（8）With the second connection method
It is blue（10）The semicircular to match, first gasket（7）It is continuous circular.
3. a kind of detachable welded ball valve according to claim 1, which is characterized in that the first opposite connecting flange
（8）With the second connecting flange（10）Between and the third connecting flange that matches（6）Between be bolted.
4. a kind of detachable welded ball valve according to claim 1, which is characterized in that the valve seat（2）It is interior to be equipped with rubber
Sealing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820633791.5U CN208123503U (en) | 2018-04-29 | 2018-04-29 | A kind of detachable welded ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820633791.5U CN208123503U (en) | 2018-04-29 | 2018-04-29 | A kind of detachable welded ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208123503U true CN208123503U (en) | 2018-11-20 |
Family
ID=64187191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820633791.5U Expired - Fee Related CN208123503U (en) | 2018-04-29 | 2018-04-29 | A kind of detachable welded ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208123503U (en) |
-
2018
- 2018-04-29 CN CN201820633791.5U patent/CN208123503U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20181120 Termination date: 20190429 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |