CN207648186U - A kind of anti-jamming ceramic ball valve - Google Patents
A kind of anti-jamming ceramic ball valve Download PDFInfo
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- CN207648186U CN207648186U CN201721815499.7U CN201721815499U CN207648186U CN 207648186 U CN207648186 U CN 207648186U CN 201721815499 U CN201721815499 U CN 201721815499U CN 207648186 U CN207648186 U CN 207648186U
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- valve
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- middle body
- ball
- valve seat
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Abstract
The utility model discloses a kind of anti-jamming ceramic ball valves, including metal valve body, metal valve deck, ceramic valve seat, spheres of ceramic, valve rod, middle body, valve deck is connected to the both ends of valve body by fastener, the inner wall of the valve body and valve deck is lined with ceramic valve seat, spheres of ceramic is located in ceramic valve seat, the upper end of spheres of ceramic connects valve rod, middle body is located between the valve body and ceramic valve ball, extend to form step in edge in the direction of intermediate position toward the ceramic valve ball of the middle body, the ceramic valve seat is matched with the step edge of middle body, and longitudinal gap is formed between the step surface of middle body, there are gaps between ceramic valve seat and middle body for the utility model, valve seat can be made to obtain the space of lateral displacement, prevent valve ball stuck, improve safety.
Description
Technical field
The utility model is related to a kind of ball valves, and in particular to a kind of ceramic ball valve.
Background technology
Metal valve has not adapted to high abrasion, strong corruption in the adverse circumstances industries such as many industry chemical industry, coal
The demand of the bad working environments such as erosion is mainly reflected in situations such as metal valve is easily revealed, torque is big, sealing surface is not corrosion-resistant, and ceramic
Material is constantly extended because of performances such as its higher strengths in tension and compression, elasticity modulus, hardness in the application range of industrial valve,
It especially faces severe use environment, the ceramic valves such as high abrasion, deep-etching, high temperature, high pressure and more shows superior performance, therefore
The seal member of valve is made using the wearability of ceramics, rotproofness and easily worn part replaces metal material, already becomes industry
Inside important development direction in recent years.
It is close setting between the valve seat and valve body of ceramic ball valve at present, valve seat fixation does not float, makes pottery opening and closing
During porcelain valve, when the sundries in runner is stuck between valve ball and valve seat, if valve seat is unable to adjust self-position, hold
It is stuck easily to there is valve ball, if continuing opening/shutting valve by force in the case of stuck, valve can be damaged, or even cause valve ball
Fragmentation proposes a kind of anti-jamming ball valve to solve the above problems based on this application.
Utility model content
The purpose of this utility model is to provide a kind of ceramic ball valves for effectivelying prevent valve ball stuck.
To achieve the above object, the utility model uses following technical scheme：
A kind of anti-jamming ceramic ball valve, including the valve deck of the valve body of metal, metal, ceramic valve seat, spheres of ceramic, valve rod
And middle body, the valve deck are connected to the both ends of valve body by fastener, the inner wall of the valve body and valve deck is lined with ceramic valve seat, makes pottery
Porcelain sphere is located in ceramic valve seat, and the upper end of spheres of ceramic connects valve rod, and middle body is located between the valve body and ceramic valve ball, institute
Extend to form step, the ceramic valve seat and middle body in edge in the direction for stating intermediate position toward the ceramic valve ball of middle body
Step edge match, and longitudinal gap is formed between the step surface of middle body.
The width in longitudinal gap is not more than 0.5mm.
It is vertically arranged with elastomeric pad between the ceramic valve seat and the valve deck.
The middle body is composed of two parts, and the middle body is divided into body in left body and the right side by boundary of the valve rod.
The middle body is composed of two parts, and the middle body is divided into using the through-bore axis among the ceramic valve ball as boundary
Body and lower middle body in upper.
The upper and lower ends face of the spheres of ceramic offsets with ceramic valve seat respectively, and the ceramic valve seat is resisted against spheres of ceramic
One side be the cambered surface to fit with spheres of ceramic surface, the extrados of the ceramic valve ball and the cambered surface kissing of ceramic valve seat
It closes, covers all the entire cambered surface of ceramic valve seat.
The shaft lower end edge circumferential projection of the valve rod forms step.
After adopting the above technical scheme, the utility model compared with the background art, has the following advantages that：
1, there are gaps between ceramic valve seat and middle body for this programme, and valve seat can be made to obtain the space of lateral displacement, with
The position of valve seat is adjusted, elastomeric pad plays the role of elastic compensating, the substance of conveying and sundries is enable to pass through runner, prevents
Only stuck ceramic ball valve.
2, the edge of spheres of ceramic through-hole of the utility model matches with the cambered surface edge of valve seat, avoids the object of conveying
Expect the accumulation in gap, and because the gap reserved between valve seat and middle body is smaller, either crystallization or fragment are equal
It is not easily accessed in gap, it is not easy to valve be freezed, valve ball will not be caused stuck.
Description of the drawings
Fig. 1 is the schematic cross-section of the utility model；
Fig. 2 is the schematic cross-section of the utility model another embodiment.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Embodiment one
Refering to Figure 1, the utility model discloses a kind of anti-jamming ceramic ball valves comprising the valve of metal material
Body 1, the valve deck 2 of metal material, ceramic valve seat 3, spheres of ceramic 4, valve rod 5 and middle body 6.
Wherein valve deck 2 is connected to the both ends of valve body 1 by fastener, and the inner wall of valve body 1 and valve deck 2 is lined with ceramic valve seat 3,
The Inner Constitution runner of ceramic valve seat 3, spheres of ceramic 4 are located in ceramic valve seat 3, the both sides of the upper and lower ends face of spheres of ceramic 4
It offsets respectively with ceramic valve seat 3, the one side that ceramic valve seat 3 is resisted against spheres of ceramic 4 is the cambered surface to fit with spherome surface.Pottery
The extrados of porcelain valve ball 4 matches with the cambered surface of ceramic valve seat 3, just covers all the entire cambered surface of ceramic valve seat 3, in this way
Ceramic valve ball avoids heap of the material of conveying between the edge and the edge of valve seat cambered surface of sphere through hole closer to spherical shape
Product and residual.
The upper end of spheres of ceramic 4 connects valve rod 5, and middle body 6, the centre of middle body 6 are provided between valve body 1 and spheres of ceramic 4
The direction of position toward ceramic valve ball 4 is extended, to form step, the step edge phase of ceramic valve seat 3 and middle body 6 in edge
Cooperation, and longitudinal gap 7 is formed between the step surface of middle body 6.The width in longitudinal gap 7 is not more than 0.5mm.Pottery
Elastomeric pad 9 is vertically arranged between another mating surface and valve deck 2 of porcelain valve seat 3, middle body 6 is divided into valve rod 5 for boundary left
Body 62 in body 61 and the right side.
Embodiment two
Fig. 2 show another embodiment schematic diagram of the utility model, the difference between this embodiment and the first embodiment lies in,
The combination of middle body 6 is different, middle body 6 be using ceramic valve ball among through-bore axis be divided into upper middle body 63 and lower middle body as boundary
64, equally there are gaps between middle body and ceramic valve seat 3.
The shaft lower end of valve rod 5 circumferentially forms step, so that valve rod 5 is coordinated with periphery closer, can prevent valve rod 5 from flying
Go out, is equipped with packing seal component along the periphery of valve rod 5, packing seal component includes the pressing plate 81 from top to bottom set gradually, fills out
Material pressing sleeve 82 and filler group 83, filler group 83 are located between the lower part and valve body 1 of valve rod 5.
The sealing performance of ball valve can be improved in the setting of filler assembly, especially for the guarantee for providing sealing at valve rod 5, meets
The requirement of low leakage rate adapts to the job requirement of hot environment.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
It is confined to this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should
It is subject to the protection scope in claims.
Claims (7)
1. a kind of anti-jamming ceramic ball valve, including the valve deck of the valve body of metal, metal, ceramic valve seat, spheres of ceramic, middle body and
Valve rod, it is characterised in that：The valve deck is connected to the both ends of valve body by fastener, and the inner wall of the valve body and valve deck is lined with pottery
Porcelain valve seat, spheres of ceramic are located in ceramic valve seat, and the upper end of spheres of ceramic connects valve rod, and middle body setting is in the valve body and ceramics
Between valve ball, the direction of intermediate position toward the ceramic valve ball of the middle body extends to form step, the pottery in edge
Porcelain valve seat is matched with the step edge of middle body, and longitudinal gap is formed between the step surface of middle body.
2. a kind of anti-jamming ceramic ball valve as described in claim 1, it is characterised in that：The width in longitudinal gap is not
More than 0.5mm.
3. a kind of anti-jamming ceramic ball valve as claimed in claim 2, it is characterised in that：The ceramic valve seat and the valve deck
Between be vertically arranged with elastomeric pad.
4. a kind of anti-jamming ceramic ball valve as claimed in claim 3, it is characterised in that：The middle body combined by two parts and
At the middle body is divided into body in left body and the right side by boundary of the valve rod.
5. a kind of anti-jamming ceramic ball valve as claimed in claim 3, it is characterised in that：The middle body combined by two parts and
At the middle body is divided into upper middle body and lower middle body by boundary of the through-bore axis among the ceramic valve ball.
6. a kind of anti-jamming ceramic ball valve as described in claim 4 or 5, it is characterised in that：Above and below the spheres of ceramic
Both ends of the surface offset with ceramic valve seat respectively, and the one side that the ceramic valve seat is resisted against spheres of ceramic is to be affixed with spheres of ceramic surface
The cambered surface of conjunction, the extrados of the ceramic valve ball match with the cambered surface of ceramic valve seat, cover all the entire of ceramic valve seat
Cambered surface.
7. a kind of anti-jamming ceramic ball valve as claimed in claim 6, it is characterised in that：The shaft lower end edge week of the valve rod
Step is formed to protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721815499.7U CN207648186U (en) | 2017-12-22 | 2017-12-22 | A kind of anti-jamming ceramic ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721815499.7U CN207648186U (en) | 2017-12-22 | 2017-12-22 | A kind of anti-jamming ceramic ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207648186U true CN207648186U (en) | 2018-07-24 |
Family
ID=62878332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721815499.7U Active CN207648186U (en) | 2017-12-22 | 2017-12-22 | A kind of anti-jamming ceramic ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207648186U (en) |
-
2017
- 2017-12-22 CN CN201721815499.7U patent/CN207648186U/en active Active
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