CN218294615U

CN218294615U - Stop valve

Info

Publication number: CN218294615U
Application number: CN202222673752.7U
Authority: CN
Inventors: 邵健; 邵建栋; 陆健
Original assignee: WUXI UNIVERSAL PRECISION CASTING CO Ltd
Current assignee: WUXI UNIVERSAL PRECISION CASTING CO Ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-01-13
Anticipated expiration: 2032-10-11

Abstract

The utility model provides a stop valve, include: the valve comprises a valve body, wherein flange plates are fixed on two sides of the valve body, a clamping ring groove is formed in each flange plate, a gasket assembly is arranged in each clamping ring groove and comprises a supporting pad, the supporting pad is arranged in each clamping ring groove, one side of each supporting pad extends to the outside of the corresponding clamping ring groove, an annular groove is formed in each supporting pad, a sealing structure is arranged in each annular groove and comprises an annular rubber bag, the annular rubber bags are arranged in the annular grooves, and the annular rubber bags extend to the outside of the annular grooves; the utility model uses the protruding rubber bag to abut against the external pipe, thereby enhancing the sealing degree between the valve body and the external pipe; the rectangular strips are arranged in the rectangular grooves, so that the anti-skid effect is effectively achieved; by arranging the rectangular strip on one side of the raised rubber bladder, the degree of sealing is further enhanced.

Description

Stop valve

Technical Field

The utility model relates to a metal precision casting technical field particularly, relates to a stop valve.

Background

The existing stop valve structure is common, for example, a stop valve with patent number 202220667205.5, refer to fig. 1 specifically, as shown in fig. 1, the stop valve includes a valve body 1, a liquid inlet port 12 is formed in one side of the valve body 1 by integral molding, a liquid outlet port 13 is formed in the other side of the valve body 1 by integral molding, the insides of the liquid outlet port 13 are communicated with each other through the insides of the valve body 1 and the liquid inlet port 12, and one side ends of the liquid inlet port 12 and the liquid outlet port 13 are both connected with a flange 14, but the end of the valve body 1 is directly connected with an external pipe through the flange 14, in order to prevent a gap between the external pipe and the flange 14, a common gasket is used to seal the gap between the flange 14 and the external pipe, but the gasket is sealed by directly pressing the pipe surface against each other, because the whole deformation capability of the gasket in the prior art is poor, the gasket is easily worn due to long-term pressing friction, and the sealing effect is difficult to be maintained for a long time.

Therefore, it is necessary to develop a shut-off valve with good sealing effect.

SUMMERY OF THE UTILITY MODEL

The utility model provides a stop valve solves above-mentioned problem.

In order to achieve the above object, an embodiment of the present invention provides a stop valve, including: the valve body, the both sides of valve body all are fixed with the ring flange, the inlay card annular has been seted up on the ring flange be provided with the gasket subassembly in the inlay card annular, the gasket subassembly includes the supporting pad, the supporting pad sets up in the inlay card annular, one side of supporting pad extends the outside of inlay card annular, the ring channel has been seted up on the supporting pad, be provided with seal structure in the ring channel, seal structure includes annular rubber bag, annular rubber bag sets up in the ring channel, annular rubber bag's part extends outside the ring channel.

Furthermore, a plurality of rectangular grooves are formed in the supporting pad, and the distance between every two adjacent rectangular grooves is equal.

Furthermore, the gasket assembly further comprises an anti-skid structure, one end of the anti-skid structure is embedded in the rectangular groove, and one end of the other end of the anti-skid structure extends to the outside of the rectangular groove.

Furthermore, the anti-skid structure comprises a rectangular strip, one end of the rectangular strip is arranged in the rectangular groove, and the other end of the rectangular strip extends to the outside of the rectangular groove.

Furthermore, one end of the rectangular strip is provided with two convex strips, and two sides of each convex strip are provided with chamfered surfaces.

Furthermore, a V-shaped groove is arranged between the two raised strips.

Furthermore, a plurality of round holes are formed in one side of the rectangular groove, and the rectangular groove is communicated with the annular groove through the round holes.

Furthermore, the width of the sealing structure is larger than that of the annular groove, a protruding rubber bag corresponding to the circular hole is fixed on the annular rubber bag, the protruding rubber bag is communicated with the annular rubber bag, and the protruding rubber bag extends into the circular hole and abuts against the surface of the rectangular strip.

Furthermore, an arc-shaped surface is arranged on the inner ring surface of the annular rubber bag.

Compared with the prior art, the utility model provides a stop valve, its characteristics are:

1. the convex rubber bag is abutted against the outer pipe, so that the arc-shaped surface directly seals a gap between the flange plate and the outer pipe, the outer wall of the outer pipe is attached through soft contact, and the sealing degree between the valve body and the outer pipe is enhanced;

2. the rectangular strip is arranged in the rectangular groove, one end of the rectangular strip is provided with two convex strips, so that when a connecting disc on an external pipe is in contact with the rectangular strip, the V-shaped groove is deformed when the connecting disc and the flange plate deviate, resistance for preventing the connecting disc and the flange plate from rotating relatively is generated in the deformation process, and the anti-skid effect is effectively achieved;

3. through setting up the rectangle strip in protruding rubber bag one side, make protruding rubber bag by the extrusion in-process, its inside gas can flow to annular rubber bag in, the inseparable degree of laminating between the outer wall of reinforcing annular rubber bag inner ring and the outside pipe, further reinforcing sealing degree.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a perspective view of a shut-off valve of the prior art;

fig. 2 is a perspective cross-sectional view of a preferred embodiment of a stop valve of the present invention;

FIG. 3 is an exploded view of the flange and gasket assembly of the present invention;

figure 4 is a perspective cross-sectional view of a preferred embodiment of the gasket assembly of the present invention;

figure 5 is a perspective view of a preferred embodiment of the seal of the present invention;

fig. 6 is a perspective view of the preferred embodiment of the anti-skid structure of the present invention.

Wherein, 1, a valve body; 14. a flange plate; 141. the ring groove is embedded in a clamping manner; 20. a gasket assembly; 21. a support pad; 211. a rectangular groove; 212. a circular hole; 213. an annular groove; 22. a sealing structure; 221. an annular rubber bladder; 222. a raised rubber bladder; 223. an arc-shaped surface; 23. an anti-slip structure; 231. a rectangular strip; 232. a convex strip; 233. a V-shaped groove; 234. and (7) chamfering.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.

Referring to fig. 2 to 3, fig. 2 is a perspective sectional view of a stop valve according to a preferred embodiment of the present invention; fig. 3 is an exploded view of the flange and gasket assembly of the present invention. As shown in fig. 2 to 3, the utility model provides a stop valve, include: valve body 1, the both sides of valve body 1 all are fixed with ring flange 14, the same with prior art, in this embodiment, ring flange 14 and outside union coupling are passed through to valve body 1's both sides, inlay card annular 141 has been seted up on ring flange 14, be provided with gasket subassembly 20 in inlay card annular 141, it needs further to explain, gasket subassembly 20's 1/2 sets up in inlay card annular 141, other 1/2 sets up in inlay card annular 141's outside, gasket subassembly 20 includes supporting pad 21, supporting pad 21 sets up in inlay card annular 141, one side of supporting pad 21 extends inlay card annular 141's outside.

With continuing reference to fig. 3 in conjunction with fig. 4, fig. 4 is a perspective cross-sectional view of a preferred embodiment of the gasket assembly of the present invention. As shown in fig. 3 to 4, the assembly of the support pad 21 is described in detail below, the support pad 21 is provided with an annular groove 213, one side of the support pad 21 is provided with a plurality of rectangular grooves 211, the distance between two adjacent rectangular grooves 211 is equal, one side of each rectangular groove 211 is provided with a plurality of round holes 212, and the rectangular grooves 211 are communicated with the annular groove 213 through the round holes 212.

With continuing reference to fig. 3 in conjunction with fig. 4 and 5, fig. 5 is a perspective view of a preferred embodiment of the sealing structure of the present invention. As shown in fig. 3 to 5. The sealing structure 22 is disposed in the annular groove 213, and the following describes the composition structure of the sealing structure 22 in detail, the width of the sealing structure 22 is greater than the width of the annular groove 213, that is, the inner ring portion of the sealing structure 22 extends to the outside of the annular groove 213, that is, when the external pipe is inserted into the valve body 1, the sealing structure 22 can abut against the surface of the external pipe, so that the outer wall of the external pipe and the inner wall of the flange 14 are tightly attached to each other, the sealing structure 22 includes the annular rubber bag 221, compared with the solid gasket in the prior art, in this embodiment, the deformation capability of the annular rubber bag 221 is stronger, the tightness of the attachment when the external pipe presses the annular rubber bag 221 is stronger, and the sealing degree is better, meanwhile, due to the strong deformation capability of the annular rubber bag 221, in the abutting against the external pipe for a long time, the annular rubber bag 221 does not generate abrasion due to hard contact with the outer surface of the external pipe, the gasket abrasion phenomenon existing in the prior art is effectively avoided, the annular rubber bag 221 is disposed in the annular groove 213, and the portion of the annular rubber bag 221 extends to the outside of the annular groove 213. Be fixed with the protruding rubber bag 222 corresponding with round hole 212 on the annular rubber bag 221, protruding rubber bag 222 is linked together with annular rubber bag 221, protruding rubber bag 222 gos deep into in the round hole 212, and offset with the surface of rectangle strip 231, protruding rubber bag 222 is being extrudeed the in-process, its inside gas can flow into in the annular rubber bag 221, the inseparable degree of laminating between the outer wall of reinforcing annular rubber bag 221 inner ring and the outside pipe, the inner ring face of annular rubber bag 221 is provided with arcwall face 223, arcwall face 223 is used for directly offsetting with the outer wall of outside pipe.

Referring to fig. 4 in combination with fig. 6, fig. 6 is a perspective view of the preferred embodiment of the anti-skid structure of the present invention. As shown in fig. 4 and 6, the gasket assembly 20 further includes an anti-slip structure 23, one end of the anti-slip structure 23 is embedded in the rectangular groove 211, and one end of the other end extends to the outside of the rectangular groove 211, the following describes the structure of the anti-slip structure 23 specifically, the anti-slip structure 23 includes a rectangular strip 231, when the connecting disc on the external pipe is spliced with the flange 14, one end of the external pipe can penetrate into the inside of the flange 14, at this time, the connecting disc can extrude the rectangular strip 231, the rectangular strip 231 can extrude the protruding rubber bag 222, when the rectangular strip 231 abuts against the connecting disc on the external pipe, the anti-slip function is achieved, one end of the rectangular strip 231 is arranged in the rectangular groove 211, and the other end extends to the outside of the rectangular groove 211. One end of the rectangular bar 231 is provided with two protruding strips 232, and both sides of each protruding strip 232 are provided with chamfered surfaces 234. The V-shaped groove 233 is formed between the two convex strips 232, when a connecting disc on an external pipe abuts against the rectangular strip 231, if the connecting disc and the flange plate 14 rotate relatively and deviate, one convex strip 232 deviates towards the other convex strip 232, the width of the V-shaped groove 233 is reduced until the two inclined surfaces of the V-shaped groove 233 are attached, and the resistance generated in the process of extruding the V-shaped groove 233 to deform achieves the anti-skidding effect.

The utility model discloses a concrete work flow is: when the connecting disc on the outer pipe is spliced with the flange plate 14, one end of the outer pipe needs to be inserted into the flange plate 14 firstly, at the moment, the outer wall of the outer pipe is abutted against the arc-shaped surface 223 on the annular rubber bag 221, the connecting disc is abutted against the rectangular strip 231, the extruded rectangular strip 231 extrudes the protruding rubber bag 222, the gas in the protruding rubber bag 222 is filled into the annular rubber bag 221, and the arc-shaped surface 223 is tightly attached to the outer wall of the outer pipe through the filled annular rubber bag 221.

To sum up, the beneficial effects of the utility model are that:

1. the convex rubber bag 222 is abutted against the outer pipe, so that the arc-shaped surface 223 directly seals a gap between the flange plate 14 and the outer pipe, the outer wall of the outer pipe is attached through soft contact, and the sealing degree between the valve body 1 and the outer pipe is enhanced;

2. the rectangular groove 211 is internally provided with the rectangular strip 231, one end of the rectangular strip 231 is provided with the two convex strips 232, so that when the connecting disc on the external pipe is contacted with the rectangular strip 231, the V-shaped groove 233 is deformed when the connecting disc and the flange plate 14 deviate, resistance for preventing the connecting disc and the flange plate 14 from rotating relatively is generated in the deformation process, and the anti-skid effect is effectively achieved;

3. through setting up rectangle strip 231 in protruding rubber bag 222 one side, make protruding rubber bag 222 in by the extrusion process, its inside gas can flow to annular rubber bag 221 in, the laminating degree of closeness between the outer wall of reinforcing annular rubber bag 221 inner ring and the outside pipe, further reinforcing degree of sealing.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A shut-off valve, comprising: valve body (1), the both sides of valve body (1) all are fixed with ring flange (14), inlay card annular groove (141) have been seted up on ring flange (14) be provided with gasket subassembly (20) in inlay card annular groove (141), gasket subassembly (20) are including supporting pad (21), supporting pad (21) set up in inlay card annular groove (141), one side of supporting pad (21) extends to inlay card the outside of annular groove (141), annular groove (213) have been seted up on supporting pad (21), be provided with seal structure (22) in annular groove (213), seal structure (22) include annular rubber bag (221), annular rubber bag (221) set up in annular groove (213), the part of annular rubber bag (221) extends outside annular groove (213).

2. A shut-off valve as defined in claim 1, wherein: a plurality of rectangular grooves (211) are formed in the supporting pad (21), and the distance between every two adjacent rectangular grooves (211) is equal.

3. A shut-off valve as defined in claim 2, wherein: the gasket assembly (20) further comprises an anti-skid structure (23), one end of the anti-skid structure (23) is embedded in the rectangular groove (211), and the other end of the anti-skid structure extends to the outside of the rectangular groove (211).

4. A shut-off valve as defined in claim 3, wherein: the anti-skid structure (23) comprises a rectangular strip (231), one end of the rectangular strip (231) is arranged in the rectangular groove (211), and the other end of the rectangular strip extends to the outside of the rectangular groove (211).

5. A shut-off valve as claimed in claim 4, wherein: one end of the rectangular strip (231) is provided with two convex strips (232), and two sides of each convex strip (232) are provided with chamfered surfaces (234).

6. A shut-off valve as claimed in claim 5, wherein: a V-shaped groove (233) is arranged between the two convex strips (232).

7. A shut-off valve as claimed in claim 4, wherein: a plurality of round holes (212) are formed in one side of the rectangular groove (211), and the rectangular groove (211) is communicated with the annular groove (213) through the round holes (212).

8. A shut-off valve as defined in claim 7, wherein: the width of the sealing structure (22) is larger than that of the annular groove (213), a protruding rubber bag (222) corresponding to the round hole (212) is fixed on the annular rubber bag (221), the protruding rubber bag (222) is communicated with the annular rubber bag (221), and the protruding rubber bag (222) extends into the round hole (212) and is abutted to the surface of the rectangular strip (231).

9. A shut-off valve as defined in claim 8, wherein: an arc-shaped surface (223) is arranged on the inner ring surface of the annular rubber bag (221).