CN206647545U - Stop valve - Google Patents
Stop valve Download PDFInfo
- Publication number
- CN206647545U CN206647545U CN201720292928.0U CN201720292928U CN206647545U CN 206647545 U CN206647545 U CN 206647545U CN 201720292928 U CN201720292928 U CN 201720292928U CN 206647545 U CN206647545 U CN 206647545U
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- CN
- China
- Prior art keywords
- sealing
- flap
- valve
- stop valve
- annular groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of stop valve, include valve body, flap and valve seat, flap is provided with flap sealing, valve seat is provided with the valve base sealing portion coordinated with flap both seals, annular ridge is provided with flap sealing, the annular groove coordinated with fin sealing is provided with the valve base sealing portion.The sealing that annular ridge and annular groove are added on the basis of original sealing structure coordinates, multi-sealed setting, the not strong weak tendency of original linear sealing sealing structure is filled up, enhance the sealing of stop valve, the generation that fluid leakage is imagined in stop valve is effectively prevented, is had the characteristics that easily manufactured, simple in construction, reasonable in design.
Description
Technical field
Valve field is the utility model is related to, specifically a kind of stop valve.
Background technology
Stop valve, pipe valve is also, is a kind of most popular valve, why very popular it is, is due to be opened and closed
Frictional force is small between sealing surface in journey, relatively durable, and Lift is little, easy to manufacture, easy to maintenance, low in being applicable not only to
Pressure, and it is applied to high pressure.The closure principle of stop valve is, by valve stem pressure, to make valve clack sealing surface tight with sealing surface of seat
Closely connected conjunction, prevent flow of media.Existing stop valve generally includes handwheel, valve rod, valve body and flap, the sealing surface and valve seat of flap
Sealing surface contact, the sealing surface of flap and the sealing means of sealing surface of seat are all to plane, or using the conical surface using plane
To the sealing structure of the conical surface.But this sealing means are over time, sealing is deteriorated, and leakage phenomenon easily occurs, to use
Person brings inconvenience and trouble.
The content of the invention
The purpose of this utility model：The defects of in order to overcome prior art, the utility model provide a kind of good airproof performance
And the simple easily fabricated stop valve of sealing structure.
The technical solution of the utility model：Include valve body, flap and valve seat, flap is provided with flap sealing, valve
Seat is provided with the valve base sealing portion coordinated with flap both seals, and annular ridge, the valve seat are provided with flap sealing
The annular groove coordinated with fin sealing is provided with sealing.
Using above-mentioned technical proposal, the sealing of annular ridge and annular groove is added on the basis of original sealing structure
Coordinate, multi-sealed setting, filled up the not strong weak tendency of original linear sealing sealing structure, enhanced the sealing of stop valve
Property, the generation that fluid leakage is imagined in stop valve is effectively prevented, is had the characteristics that easily manufactured, simple in construction, reasonable in design.
It is of the present utility model further to set：The cross section of annular ridge is L-type.
Further set using above-mentioned, L-type annular ridge coordinates with the annular groove being adapted to be added at sealing joints
Turning, the purpose for improving sealing is reached.
It is of the present utility model further to set：Annular ridge include with annular groove offset setting lateral surface and
Medial surface, sealing ring is installed in medial surface.
Further set using above-mentioned, lateral surface seals cooperation, the sealing of medial surface with inconsistent formed of annular groove
Circle provides the selection of soft seal, adds the structure of soft seal circle, strengthens sealing.
Setting further again of the present utility model：Sealing ring is arranged to O-ring seal.
Using above-mentioned setting further again, O-ring seal is simple in construction, easy to process using wide, and with pressure
Increase can improve sealing property automatically.
Setting further again of the present utility model：Annular groove periphery is respectively arranged with flange, the flange top surface with
The distance of annular groove bottom surface is more than or equal to the height of annular ridge.
Using above-mentioned setting further again, flange surrounds the sealing structure of annular groove and annular ridge, there is enhancing
The effect of sealing.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the enlarged drawing at A in Fig. 1；
Fig. 3 is the enlarged drawing of another specific embodiment；
Wherein, valve body 1, flap 2, valve seat 3, flap sealing 4, valve base sealing portion 5, annular ridge 41, annular groove 51,
Lateral surface 411, medial surface 412, sealing ring 413, flange 6.
Embodiment
Stop valve as Figure 1-3, includes valve body 1, flap 2 and valve seat 3, and flap 2 is provided with flap sealing
4, valve seat 3 is provided with the valve base sealing portion 5 coordinated with the sealing of flap sealing 4, and annular ridge is provided with flap sealing 4
41, the annular groove 51 coordinated with fin sealing is provided with the valve base sealing portion 5, when closing valve, flap 2 is close to valve seat
3, while the sealing of flap sealing 4 and valve base sealing portion 5 coordinates, annular ridge 41 seals annular groove 51, until by valve body 1
Interior medium is blocked and opened, the cooperation of annular ridge 41 and annular groove 51, adds the turning of the possible leakage channel of fluid, effectively
Stop the circulation of fluid.
As shown in Figure 2 and Figure 3, the cross section of annular ridge 41 is L-type, there is provided two kinds of setting directions of annular ridge 41 are different
Embodiment.
As shown in Fig. 2 annular ridge 41 includes the lateral surface 411 and medial surface for the setting that offseted with annular groove 51
412, sealing ring 413 is installed, sealing ring 413 is arranged to O-ring seal, the periphery point of annular groove 51 in the medial surface 412
It is not provided with flange 6, the distance of the top surface of flange 6 and the bottom surface of annular groove 51 is more than or equal to the height of annular ridge 41,
When valve is closed, lateral surface 411 seals cooperation with inconsistent formed of annular groove 51, and the sealing ring 413 of medial surface 412 provides
The selection of soft seal, strengthen sealing, make stop valve purposes more extensive, flange 6 encloses sealing ring 413 to a certain extent
And flap 2, ensure multi-sealed reliability, it is ensured that the sealing advantage of the structure.
Claims (5)
1. a kind of stop valve, including valve body, flap and valve seat, flap is provided with flap sealing, and valve seat is provided with and valve
The valve base sealing portion that the sealing of flap seal portion coordinates, it is characterised in that：Annular ridge, the valve are provided with the flap sealing
The annular groove coordinated with fin sealing is provided with seat sealing.
2. stop valve according to claim 1, it is characterised in that：The cross section of the annular ridge is L-type.
3. stop valve according to claim 2, it is characterised in that：The annular ridge, which includes to offset with annular groove, to be set
The lateral surface and medial surface put, sealing ring is installed in the medial surface.
4. stop valve according to claim 3, it is characterised in that：The sealing ring is arranged to O-ring seal.
5. stop valve according to claim 4, it is characterised in that：The annular groove periphery is respectively arranged with flange, institute
The distance for stating flange top surface and annular groove bottom surface is more than or equal to the height of annular ridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720292928.0U CN206647545U (en) | 2017-03-23 | 2017-03-23 | Stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720292928.0U CN206647545U (en) | 2017-03-23 | 2017-03-23 | Stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206647545U true CN206647545U (en) | 2017-11-17 |
Family
ID=60279940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720292928.0U Active CN206647545U (en) | 2017-03-23 | 2017-03-23 | Stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206647545U (en) |
-
2017
- 2017-03-23 CN CN201720292928.0U patent/CN206647545U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |