CN207554858U - A kind of two way seal valve seat - Google Patents
A kind of two way seal valve seat Download PDFInfo
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- CN207554858U CN207554858U CN201721402324.3U CN201721402324U CN207554858U CN 207554858 U CN207554858 U CN 207554858U CN 201721402324 U CN201721402324 U CN 201721402324U CN 207554858 U CN207554858 U CN 207554858U
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- valve
- valve seat
- arc surface
- valve body
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Abstract
The utility model will provide that a kind of contact area is small, torque is small and simultaneously can effectively avoid that there are the two way seal valve seats of leakage problem, long lifespan.In order to solve the above-mentioned technical problem, the two way seal valve seat of the utility model, include valve body, the valve rod extending into valve body and the ball valve on valve rod, the inlet and outlet edge of valve body is provided with resettlement groove, valve seat is mounted in resettlement groove, one outer side edges of valve seat are provided with the arc surface of evagination, the arc surface of valve seat stretch out resettlement groove it is outer and with the sphere-contact of ball valve.After above-mentioned structure, due to the valve seat with outer convex arc surface of the inlet and outlet edge setting of valve body, the arc surface and sphere-contact of evagination on valve seat, cause contact surface very little, it is made easily to seal and is not easy that there are leakage problems, in addition, frictional resistance is also reduced, torque is small, is easy to its keying, the side of inside two of valve seat is provided with chamfer bevel and forms sealing surface, make its contact area small, there is certain elasticity, it is easier to seal, sealing effect is further improved, extends service life.
Description
Technical field
The utility model is related to a kind of valve seat construction, specifically a kind of two way seal valve seat.
Background technology
It is well known that regulating valve generally comprises valve body, the valve rod extending into valve body and the ball on valve rod
Valve by rotating ball valve, is realized using the through-hole on ball valve and opens and closes operation, ball valve is mounted in valve body and passes through in the prior art
Valve body in valve seat is sealed spherical surface, which is by the spherical surface of valve design indent, passes through the indent
Spherical surface is in contact with ball valve spherical surface, which so that contact area is big between ball valve and valve body, it is desirable that and fit precision is high, and
And easily there are leakage problems, are in addition also easy to generate gap after abrasion, reduce sealing performance.
Invention content
The technical problem to be solved by the present invention is to provide a kind of contact area is small, torque is small and simultaneously can effectively avoid
There are leakage problem, the two way seal valve seats of long lifespan.
In order to solve the above-mentioned technical problem, the two way seal valve seat of the utility model, includes valve body, extend into valve body
Valve rod and the ball valve on valve rod, the inlet and outlet edge of valve body be provided with resettlement groove, valve seat be mounted in resettlement groove,
One outer side edges of valve seat are provided with the arc surface of evagination, and the arc surface of valve seat is stretched out outside resettlement groove and connect with the spherical surface of ball valve
It touches.
The side of inside two of the valve seat is provided with chamfer bevel.
The angle of two chamfer bevels is different.
After above-mentioned structure, due to the valve seat with outer convex arc surface of the inlet and outlet edge setting of valve body, valve seat
The arc surface and sphere-contact of upper evagination so that contact surface very little makes it easily seal and is not easy there are leakage problem, in addition,
Also reduce frictional resistance, torque is small, is easy to its keying, the side of inside two of valve seat be provided with chamfer bevel formed it is close
Cover makes its contact area small, has certain elasticity, it is easier to seal, further improve sealing effect, extend use
Service life.
Description of the drawings
Fig. 1 is the structure diagram of the utility model two way seal valve seat；
Fig. 2 is the partial structural diagram of the utility model two way seal valve seat.
Specific embodiment
With reference to the accompanying drawings and detailed description, the two way seal valve seat of the utility model is made further specifically
It is bright.
As shown in the figure, the two way seal valve seat of the utility model, include valve body 1, the valve rod extending into valve body 2 and
Ball valve 3 on valve rod, the inlet and outlet edge of valve body 1 are provided with resettlement groove, valve seat 4 are mounted in resettlement groove, valve seat 4
One outer side edges is provided with the arc surface 5 of evagination, the arc surface of valve seat 4 stretch out resettlement groove it is outer and with the sphere-contact of ball valve 3, by
This causes valve seat to contact to form sealing pair with sphere, and the smaller contact area of the sealing pair is not easy to be worn and to be conducive to valve close
Envelope, not only extends service life, but also effectively reduce valve torque, in addition, the side of the inside of valve seat 4 two is provided with
Chamfer bevel 6, the angle of two chamfer bevels 6 is different, thus forms certain elasticity design, is more advantageous to sealing, by scheming
As it can be seen that Fy areas corresponding with Fx reduce, therefore, be conducive to improve sealing effect.
Claims (3)
1. a kind of two way seal valve seat, includes valve body（1）, the valve rod that extend into valve body（2）And on valve rod
Ball valve（3）, it is characterised in that：The valve body（1）Inlet and outlet edge be provided with resettlement groove, be mounted with valve seat in the resettlement groove
（4）, the valve seat（4）An outer side edges be provided with the arc surface of evagination（5）, the valve seat（4）Arc surface stretch out placement
Outside slot and and ball valve（3）Sphere-contact.
2. two way seal valve seat described in accordance with the claim 1, it is characterised in that：The valve seat（4）The side of inside two set
It is equipped with chamfer bevel（6）.
3. two way seal valve seat described in accordance with the claim 2, it is characterised in that：Two chamfer bevels（6）Angle not
Together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721402324.3U CN207554858U (en) | 2017-10-27 | 2017-10-27 | A kind of two way seal valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721402324.3U CN207554858U (en) | 2017-10-27 | 2017-10-27 | A kind of two way seal valve seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207554858U true CN207554858U (en) | 2018-06-29 |
Family
ID=62674839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721402324.3U Active CN207554858U (en) | 2017-10-27 | 2017-10-27 | A kind of two way seal valve seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207554858U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099180A (en) * | 2018-10-10 | 2018-12-28 | 张家港富瑞阀门有限公司 | A kind of ultralow temperature upper-mounting type ball valve |
-
2017
- 2017-10-27 CN CN201721402324.3U patent/CN207554858U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099180A (en) * | 2018-10-10 | 2018-12-28 | 张家港富瑞阀门有限公司 | A kind of ultralow temperature upper-mounting type ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 212221 No. 34 North West Road, West Lai Qiao Town, Yangzhong City, Zhenjiang, Jiangsu. Patentee after: Jiangsu billion valve Limited by Share Ltd Address before: 212211 No. 34 North West Road, West Lai Qiao Town, Yangzhong City, Zhenjiang, Jiangsu. Patentee before: JIANGSU EVALVE GROUP CO., LTD. |