CN208670128U - A kind of ceramics double eccentric half ball valve - Google Patents
A kind of ceramics double eccentric half ball valve Download PDFInfo
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- CN208670128U CN208670128U CN201821453430.9U CN201821453430U CN208670128U CN 208670128 U CN208670128 U CN 208670128U CN 201821453430 U CN201821453430 U CN 201821453430U CN 208670128 U CN208670128 U CN 208670128U
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- hemisphere
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- half ball
- double eccentric
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Abstract
The utility model provides a kind of ceramic double eccentric half ball valve, including hemisphere, valve seat, ceramic-seal ring one, ceramic-seal ring two, fixing axle, axle bed and set screw, valve inner is equipped with hemisphere, valve seat is installed on the right side of hemisphere, valve seat is mounted on the right side of valve inner, hemisphere annular side is inlaid with ceramic-seal ring one in two sides up and down, ceramic-seal ring two is inlaid with inside valve seat, fixing axle is installed on the downside of hemisphere annular side, fixing axle lower end surface is equipped with axle bed, set screw is installed at left and right sides of axle bed lower end surface, the design solves double eccentric half ball valve and is not closed completely, use the problem that the time is short, the utility model is structurally reasonable, convenient for adjusting, stability is good, leakproofness is high, wearability is strong.
Description
Technical field
The utility model is a kind of ceramic double eccentric half ball valve, belongs to double eccentric half ball valve technical field.
Background technique
Double eccentric half ball valve is the widely used a kind of valve in China, and the medium mainly controlled is ore, material residue, corrosivity
Medium, water, gas etc. are the pipeline of ore for medium, and the hardness of ore is very high (HRC > 60), along with the flow velocity of medium is high
(3-5m/s), when medium passes through valve to the washing away of sealing surface, wear it is quite serious.
It is containing acid, caustic corrosion medium for medium, the alloy of the corrosion-resistant material of built-up welding is in long-term acid and alkali corrosion and punching
Brush effect under, sealing effect often not to the utmost comply with one's wishes, existing double eccentric half ball valve in ceramic seal structure Shortcomings, so
It is badly in need of a kind of ceramic double eccentric half ball valve now to solve the above-mentioned problem.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of ceramic double eccentric half ball valve, with solution
Certainly the problems mentioned above in the background art, the utility model is structurally reasonable, and convenient for adjusting, stability is good, and leakproofness is high, wear-resisting
Property is strong.
To achieve the goals above, the utility model is achieved through the following technical solutions: a kind of ceramics are double eccentric
Semisphere valve, including valve body, hemisphere and valve seat, the valve inner are equipped with hemisphere, are equipped with valve seat on the right side of the hemisphere, institute
It states valve seat to be mounted on the right side of valve inner, the hemisphere annular side is inlaid with ceramic-seal ring one, the valve seat in two sides up and down
Inside is inlaid with ceramic-seal ring two, and fixing axle, the fixing axle lower end surface installation are equipped on the downside of the hemisphere annular side
There is axle bed, set screw is installed at left and right sides of the axle bed lower end surface, is connected with valve rod on the upside of the hemisphere annular side, institute
It states valve rod and is mounted on valve inner, bull stick is installed on rear side of the valve body, the bull stick rear end face is equipped with handwheel, the hemisphere
End cap is installed on the right side of annular side.
Further, two sides are provided with screw, the hemisphere annular side right side and end cap up and down for the end cap right side
It is connected by screw.
Further, the set screw is provided with two groups, and two groups of set screw specifications are identical, and it is fixed that the axle bed passes through
Position screw is connected with valve body.
Further, the handwheel annular side is provided with antiskid thread.
Further, location hole is offered at left and right sides of the valve body, and location hole is matched with extraneous bolt.
Further, the ceramic-seal ring one and ceramic-seal ring two match.
The utility model has the beneficial effects that a kind of ceramic double eccentric half ball valve of the utility model, because the utility model adds
Hemisphere, valve seat, ceramic-seal ring one, ceramic-seal ring two and fixing axle are added, which has been able to extend the use of valve
Service life reduces the maintenance frequency of valve, enhances the leakproofness of pipeline, solves double eccentric half ball valve and is not closed completely, using the time
Short problem improves the leakproofness and service life of the utility model.
Because two sides are provided with screw above and below end cap right side, it is connected with end cap by screw on the right side of hemisphere annular side,
The design can increase the sealing performance of hemisphere, and because set screw is provided with two groups, and two groups of set screw specifications are identical, axle bed
It is connected by set screw with valve body, which improves the mounting stability of the axle bed of the utility model, the utility model
Structurally reasonable, convenient for adjusting, stability is good, and leakproofness is high, and wearability is strong.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural schematic diagram of ceramic double eccentric half ball valve of the utility model；
Fig. 2 is a kind of partial enlarged view of ceramic double eccentric half ball valve of the utility model；
In figure: 1- valve body, 2- hemisphere, 3- valve seat, 4- ceramic-seal ring one, 5- ceramic-seal ring two, 6- fixing axle, 7- axis
Seat, 8- set screw, 9- valve rod, 10- bull stick, 11- handwheel, 12- end cap.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Fig. 1 and Fig. 2 are please referred to, the utility model provides a kind of technical solution: a kind of ceramics 2 valve of double eccentric half ball, including
Valve body 1, hemisphere 2 and valve seat 3 are equipped with hemisphere 2 inside valve body 1, valve seat 3 are equipped on the right side of hemisphere 2, valve seat 3 is mounted on valve
1 inner right side of body, 2 annular side of hemisphere are inlaid with ceramic-seal ring 1 in two sides up and down, are inlaid with ceramic seal inside valve seat 3
Ring 25,2 annular side of hemisphere downside are equipped with fixing axle 6, and 6 lower end surface of fixing axle is equipped with axle bed 7,7 lower end surface of axle bed or so
Two sides are equipped with set screw 8, are connected with valve rod 9 on the upside of 2 annular side of hemisphere, valve rod 9 is mounted on inside valve body 1, after valve body 1
Side is equipped with bull stick 10, and 10 rear end face of bull stick is equipped with handwheel 11, is equipped with end cap 12 on the right side of 2 annular side of hemisphere.
Two sides are provided with screw to 12 right side of end cap up and down, are connected with end cap 12 by screw on the right side of 2 annular side of hemisphere
It connects, is fixedly mounted convenient for end cap 12 and hemisphere 2, improves the wear resistance properties of hemisphere 2, prolong the service life, set screw 8 is arranged
There are two groups, and two groups of 8 specifications of set screw are identical, axle bed 7 is connected by set screw 8 with valve body 1, fixed convenient for axle bed 7
Installation.
11 annular side of handwheel is provided with antiskid thread, increases the coefficient of friction of handwheel 11, offers at left and right sides of valve body 1
Location hole, and location hole is matched with extraneous bolt, convenient for the firm installation of valve body 1, ceramic-seal ring 1 and ceramic-seal ring two
5 match, and increase sealing effect.
One embodiment as the utility model: 2 annular side of hemisphere is inlaid with ceramic-seal ring 1 in two sides up and down,
Ceramic-seal ring 25 is inlaid with inside valve seat 3, since ceramic material hardness is more (HRC > 76) more with high hardness than tungsten carbide, so
Ceramic material is used as the seal member of double eccentric half ball valve valve, has the advantages that high temperature resistant, wear-resisting, resistance to erosion, corrosion resistant,
The service life for extending double eccentric half ball valve reduces the maintenance frequency of valve, enhances the leakproofness of pipeline, reduces valve
Interior leakage period, while having widened use scope, make that it is suitable for the various industrial circles such as chemical industry, metallurgy, mining, sewage treatment
In, especially when the working conditions such as high abrasion, deep-etching, high temperature, high pressure are severe, conveying has granule medium, can fundamentally solve
Valve is not closed completely, the defect short using the time.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.It should not treat any reference in the claims as limiting related right
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of ceramics double eccentric half ball valve, including valve body, hemisphere and valve seat, it is characterised in that: the valve inner installation
There is hemisphere, valve seat is installed on the right side of the hemisphere, the valve seat is mounted on the right side of valve inner, above and below the hemisphere annular side
Two sides are inlaid with ceramic-seal ring one, and ceramic-seal ring two, peace on the downside of the hemisphere annular side are inlaid with inside the valve seat
Equipped with fixing axle, the fixing axle lower end surface is equipped with axle bed, is equipped with set screw at left and right sides of the axle bed lower end surface, institute
It states and is connected with valve rod on the upside of hemisphere annular side, the valve rod is mounted on valve inner, is equipped with bull stick on rear side of the valve body, institute
It states bull stick rear end face and handwheel is installed, end cap is installed on the right side of the hemisphere annular side.
2. a kind of ceramic double eccentric half ball valve according to claim 1, it is characterised in that: two above and below the end cap right side
Side is provided with screw, is connected with end cap by screw on the right side of the hemisphere annular side.
3. a kind of ceramic double eccentric half ball valve according to claim 1, it is characterised in that: the set screw is provided with two
Group, and two groups of set screw specifications are identical, the axle bed is connected by set screw with valve body.
4. a kind of ceramic double eccentric half ball valve according to claim 1, it is characterised in that: the handwheel annular side setting
There is antiskid thread.
5. a kind of ceramic double eccentric half ball valve according to claim 1, it is characterised in that: opened up at left and right sides of the valve body
There is location hole, and location hole is matched with extraneous bolt.
6. a kind of ceramic double eccentric half ball valve according to claim 1, it is characterised in that: the ceramic-seal ring one and pottery
Porcelain sealing ring two matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821453430.9U CN208670128U (en) | 2018-09-06 | 2018-09-06 | A kind of ceramics double eccentric half ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821453430.9U CN208670128U (en) | 2018-09-06 | 2018-09-06 | A kind of ceramics double eccentric half ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208670128U true CN208670128U (en) | 2019-03-29 |
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ID=65841752
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821453430.9U Active CN208670128U (en) | 2018-09-06 | 2018-09-06 | A kind of ceramics double eccentric half ball valve |
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| Country | Link |
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| CN (1) | CN208670128U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255912A (en) * | 2020-03-25 | 2020-06-09 | 江苏丰禾机械制造股份有限公司 | Hemisphere valve with from clear function |
-
2018
- 2018-09-06 CN CN201821453430.9U patent/CN208670128U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255912A (en) * | 2020-03-25 | 2020-06-09 | 江苏丰禾机械制造股份有限公司 | Hemisphere valve with from clear function |
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