CN217634068U - High-sealing self-closing angle valve - Google Patents
High-sealing self-closing angle valve Download PDFInfo
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- CN217634068U CN217634068U CN202221350989.5U CN202221350989U CN217634068U CN 217634068 U CN217634068 U CN 217634068U CN 202221350989 U CN202221350989 U CN 202221350989U CN 217634068 U CN217634068 U CN 217634068U
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Abstract
The utility model provides a high sealed self-closing angle valve belongs to valve technical field. The self-closing angle valve solves the problems that the existing self-closing angle valve is poor in sealing performance and easy to leak air. The high-sealing self-closing angle valve comprises a main valve body and a self-closing valve body which is convexly arranged on the side part of the main valve body and is provided with an air hole, wherein a compression nut, a self-closing valve core and a spring element are sequentially arranged in the self-closing valve body from outside to inside, the compression nut is in threaded connection with the inside of the self-closing valve body, a compression sleeve protrudes outwards from the inner end of the compression nut, an annular groove is radially formed in the outer peripheral wall of the compression sleeve, a sealing sleeve which is sleeved on the compression sleeve is arranged in the annular groove, and elastic sealing devices are arranged on the left side and the right side of the sealing sleeve. The utility model has the advantages of improve sealing performance, and then improve gas system safe in utilization.
Description
Technical Field
The utility model belongs to the technical field of the valve, a self-closing angle valve is related to, in particular to high sealed self-closing angle valve.
Background
The gas self-closing valve for pipeline is installed on the pipeline of low-pressure gas system, and when the gas supply pressure of pipeline is under-pressure or over-pressure, it has no need of using electricity or other external power, and can be automatically closed and manually opened. The self-closing valve can be divided into a straight-through type self-closing valve and a self-closing angle valve according to the classification of the installation structure.
The self-closing angle valve generally extends from the side part of a main valve body to form a self-closing valve body with a vent hole, but the self-closing valve body on the market at present has poor internal sealing performance, so that the problem of gas leakage is easily caused, and the use safety of a gas system is influenced.
Disclosure of Invention
The utility model aims at the above-mentioned problem that exists among the prior art, provide one kind and improve sealing performance, and then improve the high sealed self-closing angle valve of gas system safe in utilization.
The purpose of the utility model can be realized by the following technical proposal: a high-sealing self-closing angle valve comprises a main valve body and a self-closing valve body which is convexly arranged on the side part of the main valve body and is provided with an air hole, and is characterized in that a compression nut, a self-closing valve core and a spring element are sequentially arranged in the self-closing valve body from outside to inside, the compression nut is in threaded connection with the self-closing valve body in a matching mode, a compression sleeve is convexly arranged at the inner end of the compression nut, an annular groove is radially formed in the peripheral wall of the compression sleeve, a sealing sleeve sleeved on the compression sleeve is arranged in the annular groove, and elastic sealing devices are arranged on the left side and the right side of the sealing sleeve.
In the high-sealing self-closing angle valve, the elastic sealing device consists of a compression spring and a sealing element which is connected between the self-closing valve body and a compression sleeve in a sealing manner, a concave surface for the compression spring to abut is formed in the sealing element, an outward convex sealing convex edge is arranged on one end surface of the sealing element, the sealing convex edge is clamped into the sealing sleeve in a positioning manner, and a plurality of sealing lip edges which are connected with the inner wall of the self-closing valve body in a sealing manner are outwards protruded at intervals from the outer peripheral wall of the sealing element.
In the high-sealing self-closing angle valve, the concave surface is provided with a sealing pressure point P which is abutted with the pressing spring.
In the above-mentioned high sealed self-closing angle valve, the seal cover internal wall on offer supply sealed protruding along the card annular of card income.
Compared with the prior art, the high-sealing self-closing angle valve has the advantages of strong sealing performance, difficulty in air leakage and capability of reducing the accident rate to the maximum extent.
Drawings
Fig. 1 is a schematic front view of the high-sealing self-closing angle valve.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
In the figure, 1, a main valve body; 2. a self-closing valve body; 3. a compression nut; 4. a self-closing valve element; 5. a spring element; 6. a compression sleeve; 7. sealing sleeves; 8. a compression spring; 9. a sealing element; 9a, a concave surface; 9b, sealing the convex edge; 9c, sealing lip; 10. a snap ring groove.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the high-sealing self-closing angle valve comprises a main valve body 1 and a self-closing valve body 2 which is convexly arranged on the side part of the main valve body 1 and is provided with an air hole, a compression nut 3, a self-closing valve core 4 and a spring element 5 are sequentially arranged in the self-closing valve body 2 from outside to inside, the compression nut 3 is in threaded connection with the self-closing valve body 2, a compression sleeve 6 protrudes outwards from the inner end of the compression nut 3, an annular groove is radially formed in the peripheral wall of the compression sleeve 6, a sealing sleeve 7 which is sleeved on the compression sleeve 6 is arranged in the annular groove, and elastic sealing devices are arranged on the left side and the right side of the sealing sleeve 7.
Preferably, the elastic sealing device consists of a compression spring 8 and a sealing element 9 which is connected between the self-closing valve body 2 and the compression sleeve 6 in a sealing manner, a concave surface 9a which is used for the compression spring 8 to abut against is arranged on the sealing element 9, an outward convex sealing convex edge 9b is arranged on one end surface of the sealing element 9, the sealing convex edge 9b is positioned and clamped in the sealing sleeve 7, and a plurality of sealing lip edges 9c which are connected with the inner wall of the self-closing valve body 2 in a sealing manner are arranged on the outer peripheral wall of the sealing element 9 in an outward protruding manner at intervals.
The sealing convex edge 9b of the elastic sealing device positioned on the left side of the sealing sleeve 7 is positioned and clamped into the left side of the sealing sleeve 7, and the sealing convex edge 9b of the elastic sealing device positioned on the right side of the sealing sleeve 7 is positioned and clamped into the right side of the sealing sleeve 7; in addition, one end of a compression spring 8 of the elastic sealing device positioned on the left side of the sealing sleeve 7 is abutted against the compression sleeve 6, the other end of the compression spring is abutted against a corresponding sealing element 9, one end of the compression spring 8 of the elastic sealing device positioned on the right side of the sealing sleeve 7 is abutted against the inner wall of the self-closing valve body 2, and the other end of the compression spring is abutted against the corresponding sealing element 9.
As shown in fig. 2, the concave surface 9a has a sealing pressure point P abutting against the pressure spring 8, and the abutting strength is improved by the close contact between the point and the surface, so that the pressing effect on the sealing element 9 is improved, and the sealing lip 9c is forced to be close to the inner wall of the self-closing valve body 2, thereby achieving an efficient sealing effect.
Preferably, the inner wall surface of the sealing sleeve 7 is provided with a clamping ring groove 10 for clamping the sealing convex edge 9 b.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms main valve body 1, self-closing valve body 2, compression nut 3, self-closing valve core 4, spring element 5, compression sleeve 6, sealing sleeve 7, compression spring 8, sealing element 9, concave surface 9a, sealing ledge 9b, sealing lip 9c, snap-ring groove 10, etc. are used more extensively herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any one of the additional limitations of the present invention.
Claims (4)
1. The high-sealing self-closing angle valve comprises a main valve body (1) and a self-closing valve body (2) which is convexly arranged on the side part of the main valve body (1) and provided with an air hole, and is characterized in that a compression nut (3), a self-closing valve core (4) and a spring element (5) are sequentially arranged in the self-closing valve body (2) from outside to inside, the compression nut (3) is in threaded fit with the self-closing valve body (2), a compression sleeve (6) protrudes outwards from the inner end of the compression nut (3), an annular groove is radially formed in the peripheral wall of the compression sleeve (6), a sealing sleeve (7) sleeved on the compression sleeve (6) is arranged in the annular groove, and elastic sealing devices are arranged on the left side and the right side of the sealing sleeve (7).
2. The high-sealing self-closing angle valve according to claim 1, characterized in that the elastic sealing means are composed of a compression spring (8) and a sealing element (9) hermetically connected between the self-closing valve body (2) and the compression sleeve (6), the sealing element (9) is provided with a concave surface (9 a) against which the compression spring (8) abuts, one end surface of the sealing element (9) is provided with an outward convex sealing edge (9 b), the convex sealing edge (9 b) is positioned and clamped into the sealing sleeve (7), and the outer peripheral wall of the sealing element (9) is provided with a plurality of sealing lips (9 c) which are protruded at intervals and hermetically connected with the inner wall of the self-closing valve body (2).
3. A high-sealing self-closing angle valve according to claim 2, characterized in that said concave surface (9 a) has a sealing pressure point P against the pressure spring (8).
4. The high-sealing self-closing angle valve as claimed in claim 1, wherein the inner wall surface of the sealing sleeve (7) is provided with a snap ring groove (10) for the sealing convex edge (9 b) to be snapped in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221350989.5U CN217634068U (en) | 2022-05-27 | 2022-05-27 | High-sealing self-closing angle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221350989.5U CN217634068U (en) | 2022-05-27 | 2022-05-27 | High-sealing self-closing angle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217634068U true CN217634068U (en) | 2022-10-21 |
Family
ID=83621318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221350989.5U Active CN217634068U (en) | 2022-05-27 | 2022-05-27 | High-sealing self-closing angle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217634068U (en) |
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2022
- 2022-05-27 CN CN202221350989.5U patent/CN217634068U/en active Active
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