CN218267461U

CN218267461U - Sealed valve gum cover

Info

Publication number: CN218267461U
Application number: CN202222087257.8U
Authority: CN
Inventors: 陈志耀
Original assignee: Tianjin Kerilong Valve Co ltd
Current assignee: Tianjin Kerilong Valve Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2023-01-10
Anticipated expiration: 2032-08-09

Abstract

The utility model discloses a sealed good valve gum cover, including the gum cover main part, gum cover main part inboard is provided with the inner tube, the gum cover main part outside is provided with the outer tube, the outer tube outside is provided with the sealing ring, gum cover main part both ends are provided with the go-between, and the side of go-between is provided with sealed the pad, the inner tube supports the inside of gum cover main part, inner wall through the inner tube and the fluid contact through the valve, avoid the erosion of fluid to the gum cover main part, support the outside of gum cover main part through the outer tube, prevent that the gum cover main part from producing because of the exogenic action and warping, hollow structure through the sealing ring, make the sealing ring produce deformation to both sides when receiving the extrusion, make the area of contact of sealing ring and valve inner wall increase, thereby make the gum cover difficult production warp in the use, avoid the gum cover to receive the erosion of fluid in the valve, and make gum cover and valve inner wall laminating inseparabler, thereby reach the leakproofness that improves the gum cover and life's technological effect.

Description

Sealed valve gum cover

Technical Field

The utility model relates to a valve field especially relates to a sealed valve gum cover.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. The rubber sleeve valve is a valve made by installing a rubber sleeve into a common cast iron valve body, and a medium flows through the rubber sleeve of the rubber sleeve valve without contacting with the valve body, so that the corrosion resistance of the rubber sleeve valve is determined by the rubber sleeve and is independent of other parts.

In the use process, the inner wall of the rubber sleeve is directly contacted with the fluid, and the outer wall of the rubber sleeve is contacted with the inner wall of the valve, so that the rubber sleeve has great influence on the sealing property of the valve; the outer wall of traditional gum cover is glossy surface mostly, and the outer wall through the gum cover has the laminating of valve inner wall to reach sealed purpose, consequently lead to the structure impaired because the inside fluid that passes through when the gum cover is using, perhaps when the gum cover receives external force to produce the deformation, the gum cover then produces the clearance easily with the contact surface of valve inner wall, leads to the leakproofness to descend, for improving this problem, consequently provides a sealed good valve gum cover.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a sealed valve gum cover has produced the leakproofness that improves the gum cover and life's technological effect.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a sealed valve gum cover, includes the gum cover main part, gum cover main part inboard is provided with the inner tube, the gum cover main part outside is provided with the outer tube, the outer tube outside is provided with the sealing ring, gum cover main part both ends are provided with the go-between, and the side of go-between is provided with sealed the pad.

As a preferred technical scheme of the utility model, the outer wall of inner tube and the inner wall fixed connection of gum cover main part, the hardness of inner tube sets up to be higher than the hardness of gum cover main part, and smooth processing is done on the inner wall surface of inner tube.

As an optimal technical scheme of the utility model, the inner wall of outer tube and the outer wall fixed connection of gum cover main part, the hardness of outer tube sets up to be higher than the hardness of gum cover main part, and the outer wall of outer tube is arranged and is provided with groove structure.

As a preferred technical scheme of the utility model, inside the groove structure of outer tube outer wall is embedded into to the inside of sealing ring to sealing ring and outer tube fixed connection, the inside of sealing ring is close to the outside and sets up to hollow structure, and the outside of sealing ring sets up to convex structure.

As a preferred technical scheme of the utility model, the go-between sets up to integrated into one piece's structure with the gum cover main part, and the bolt via hole that is provided with the run-through is arranged in the outside of go-between.

As a preferred technical scheme of the utility model, the both sides fixed surface that sealed fill up and go-between is connected, the outside of sealing up sets up to the protruding structure of encircleing, and sealed the pad setting is low for hardness, and flexibility is high.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the utility model discloses an inner tube supports the inside of gum cover main part, prevent that the gum cover main part warp, inner wall through the inner tube contacts with the fluid through the valve, avoid the erosion of fluid to the gum cover main part, support the outside of gum cover main part through the outer tube, prevent that the outside of gum cover main part from producing deformation because of exogenic action, contact with the inner wall of valve through the outside of sealing ring, through the hollow structure of sealing ring, make the sealing ring produce deformation to both sides when receiving the extrusion, make the area of contact of sealing ring and valve inner wall increase, thereby make the gum cover difficult to produce the deformation in the use, avoid the gum cover to receive the erosion of fluid in the valve, and make the gum cover and the valve inner wall laminating inseparabler, thereby reach the technical effect who improves the leakproofness of gum cover and life;

2. the utility model discloses a gum cover main part direct forming that moulds plastics, smooth processing is all done on the surface, through go-between and gum cover main part integrated into one piece, improve the stability of the junction of go-between and gum cover main part, when the flange structure with go-between and valve is connected fixedly, through the flange structure extrusion sealing pad of valve, sealed pad produces deformation when receiving the extrusion, and closely laminate with the inner wall of flange structure under the resilience force effect that deformation produced, it is fixed more stable with the valve when installing the valve to make the gum cover, reach the technological effect that the improvement prevents the gum cover and drop.

Drawings

FIG. 1 is a schematic view of the complete structure of the present invention;

FIG. 2 is a side view of the structure of the present invention;

fig. 3 is a sectional view of the structure of the present invention.

Wherein: 1. a rubber sleeve main body; 2. an inner tube; 3. an outer sleeve; 4. a seal ring; 5. a connecting ring; 6. and a gasket.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-3, a sealed valve rubber sleeve comprises a rubber sleeve main body 1, an inner tube 2 is arranged inside the rubber sleeve main body 1, an outer sleeve 3 is arranged outside the rubber sleeve main body 1, a sealing ring 4 is arranged outside the outer sleeve 3, two ends of the rubber sleeve main body 1 are provided with connecting rings 5, a sealing gasket 6 is arranged on the side surface of the connecting ring 5, the rubber sleeve main body 1 is directly molded by injection molding, and the surface of the rubber sleeve main body is smoothly treated.

In other embodiments, the outer wall of inner tube 2 and the inner wall fixed connection of gum cover main part 1, the hardness setting of inner tube 2 is higher than the hardness of gum cover main part 1 to and the inner wall surface of inner tube 2 is smooth, the outer wall of inner tube 2 passes through the inseparable adhesion of glue with gum cover main part 1, support the inside of gum cover main part 1 through inner tube 2, prevent that gum cover main part 1 warp, through the inner wall of inner tube 2 with the fluid contact through the valve, avoid the erosion of fluid to gum cover main part 1.

In other embodiments, the inner wall of the outer sleeve 3 is fixedly connected with the outer wall of the rubber sleeve main body 1, the hardness of the outer sleeve 3 is set to be higher than that of the rubber sleeve main body 1, the outer wall of the outer sleeve 3 is arranged to be provided with a groove structure, the inner wall of the outer sleeve 3 is fixed to the outer wall of the rubber sleeve main body 1 in an adhesion manner, the outer sleeve 3 supports the outside of the rubber sleeve main body 1, and the outside of the rubber sleeve main body 1 is prevented from being deformed due to external force.

In other embodiments, inside the groove structure of embedding the outer wall of outer tube 3 of sealing ring 4, and sealing ring 4 and outer tube 3 fixed connection, the inside of sealing ring 4 is close to the outside and sets up to hollow structure, and the outside of sealing ring 4 sets up to arc structure, the inboard of sealing ring 4 is fixed with the inner wall adhesion of the groove structure of outer wall of outer tube 3, in operation, the outside through sealing ring 4 contacts with the inner wall of valve, through the hollow structure of sealing ring 4, make sealing ring 4 produce deformation to both sides when receiving the extrusion, make the area of contact of sealing ring 4 and valve inner wall increase.

In other embodiments, the connection ring 5 and the rubber sleeve main body 1 are integrally formed, and the bolt through holes penetrating through the connection ring 5 are arranged outside the connection ring 5, so that the connection stability of the connection part of the connection ring 5 and the rubber sleeve main body 1 is improved by integrally forming the connection ring 5 and the rubber sleeve main body 1.

In other embodiments, the sealing gasket 6 is fixedly connected with the two side surfaces of the connecting ring 5, the outer side of the sealing gasket 6 is provided with a surrounding protrusion structure, the sealing gasket 6 is provided with low hardness and high flexibility, when the connecting ring 5 is fixedly connected with the flange structure of the valve, the sealing gasket 6 is extruded through the flange structure of the valve, the sealing gasket 6 is deformed when being extruded, and is tightly attached to the inner wall of the flange structure under the action of resilience force generated by deformation.

The utility model discloses a theory of operation: when the rubber sleeve is used, the rubber sleeve main body 1 is directly formed through injection molding, the surface is all subjected to smoothing treatment, the inner part of the rubber sleeve main body 1 is supported through the inner pipe 2, the rubber sleeve main body 1 is prevented from deforming, the inner wall of the inner pipe 2 is in contact with fluid passing through a valve, erosion of the fluid to the rubber sleeve main body 1 is avoided, the outer part of the rubber sleeve main body 1 is supported through the outer sleeve 3, the outer part of the rubber sleeve main body 1 is prevented from deforming due to external force, the outer side of the sealing ring 4 is in contact with the inner wall of the valve, the sealing ring 4 is deformed towards two sides when being extruded through the hollow structure of the sealing ring 4, the contact area of the sealing ring 4 and the inner wall of the valve is increased, the connecting ring 5 and the rubber sleeve main body 1 are integrally formed, the stability of the connecting part of the connecting ring 5 and the rubber sleeve main body 1 is improved, the connecting ring 5 and the flange structure of the valve are fixedly connected, the sealing gasket 6 is extruded through the flange structure of the valve, the sealing gasket 6 deforms when being extruded, and is tightly attached to the inner wall of the flange structure under the resilience force generated by deformation.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a sealed valve gum cover, includes gum cover main part (1), its characterized in that: the inner pipe (2) is arranged on the inner side of the rubber sleeve main body (1), the outer sleeve (3) is arranged on the outer side of the rubber sleeve main body (1), the sealing ring (4) is arranged on the outer side of the outer sleeve (3), the connecting rings (5) are arranged at the two ends of the rubber sleeve main body (1), and the sealing gasket (6) is arranged on the side face of the connecting ring (5).

2. The sealed valve gum cover of claim 1, wherein: the outer wall of the inner pipe (2) is fixedly connected with the inner wall of the rubber sleeve main body (1), the hardness of the inner pipe (2) is set to be higher than that of the rubber sleeve main body (1), and the surface of the inner wall of the inner pipe (2) is subjected to smoothing treatment.

3. The sealed valve gum cover of claim 1, wherein: the inner wall of outer tube (3) and the outer wall fixed connection of gum cover main part (1), the hardness of outer tube (3) sets up to be higher than the hardness of gum cover main part (1), and the outer wall range of outer tube (3) is provided with groove structure.

4. The sealed valve gum cover of claim 1, wherein: the inside embedding of sealing ring (4) is inside the groove structure of outer tube (3) outer wall to sealing ring (4) and outer tube (3) fixed connection, the inside of sealing ring (4) is close to the outside and sets up to hollow structure, and the outside of sealing ring (4) sets up to arc structure.

5. The sealed valve gum cover of claim 1, wherein: the connecting ring (5) and the rubber sleeve main body (1) are of an integrally formed structure, and through bolt through holes are arranged on the outer side of the connecting ring (5).

6. The sealed valve gum cover of claim 1, wherein: the sealing gasket (6) is fixedly connected with the surfaces of the two sides of the connecting ring (5), the outer side of the sealing gasket (6) is provided with a surrounding convex structure, and the sealing gasket (6) is provided with low hardness and high flexibility.