CN214305744U

CN214305744U - Improved valve port sealing device for town gas pressure regulator

Info

Publication number: CN214305744U
Application number: CN202120368004.0U
Authority: CN
Inventors: 王铁刚; 章覃
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-10
Filing date: 2021-02-10
Publication date: 2021-09-28
Anticipated expiration: 2031-02-10

Abstract

The utility model discloses an improved town gas pressure regulator valve port sealing device, which comprises a pressure regulator, wherein one side of the pressure regulator is provided with a connecting pipe, the joint of the pressure regulator and the connecting pipe is provided with a flange, the joint of the outer surfaces of two flanges is sleeved with a rubber sleeve, the center of the inner part of the rubber sleeve is integrally formed with a rubber pad, through the arranged rubber sleeve and a sealing ring, when in use, the flanges at two sides are clamped into two sides of the rubber sleeve, and the joint is sealed by the action of the rubber pad, meanwhile, the lower surface is jointed with the outer surface of the flange by the right triangle structure of the sealing ring, when leakage exists between the flange and the rubber pad, an empty bin is formed between the sealing ring and the rubber pad and the flange, under the action of the air pressure in a pipeline, the right angle surface of the sealing ring is pressed, and the joint degree between the lower end of the sealing ring and the flange is stronger, and the sealing performance can be automatically improved along with the increase of the pressure, so that the sealing effect is improved.

Description

Improved valve port sealing device for town gas pressure regulator

Technical Field

The utility model relates to a valve port sealing field especially relates to improved generation town gas pressure regulator valve port sealing device.

Background

A gas pressure regulator, commonly called a pressure reducing valve, is a device that automatically changes the flow of gas through a regulating valve to maintain a predetermined pressure of gas at an outlet. Generally, the method is classified into a direct action type and an indirect action type.

Traditional regulator valve port seals through the gasket with the flange joint department of pipeline, prevents gaseous spilling over, and traditional gasket structure is comparatively simple, and long-time the use leads to sealed effect relatively poor, and gas spills over from the junction of two flanges, and then influences normal use.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides an improved generation town gas pressure regulator valve port sealing device, it is sealed effectual.

In order to solve the technical problem, the utility model provides a following technical scheme: improved generation town gas pressure regulator valve port sealing device, including the voltage regulator, voltage regulator one side is provided with the connecting pipe, the voltage regulator all is provided with the flange with the connecting pipe junction, two the rubber tube cover has been cup jointed to flange surface junction, rubber tube cover inside center integrated into one piece has the rubber pad, and two flanges arrange the rubber pad both sides in, a plurality of screws corresponding with the flange have evenly been seted up on the rubber pad surface, rubber tube cover inner wall integrated into one piece has a plurality of sealing rings, and with the inseparable laminating of flange surface, a plurality of the sealing ring all is the right angled triangle structure, and is domatic near flange one side, rubber tube cover is kept away from rubber pad one side edge homogeneous body shaping and is had the sealing washer, two the relative one side of sealing washer and the laminating of flange surface.

As an optimal technical scheme of the utility model, two the sealing washer is kept away from flange one side and is the arcwall face structure.

As an optimized technical solution of the utility model, the sealing ring is provided with three and more than.

As an optimal technical scheme of the utility model, the rubber pad is kept away from equal integrated into one piece in sealing ring one side and is had the ring of gluing.

As an optimal technical scheme of the utility model, two the flange is close to and glues ring one side and all sets up flutedly, and with gluey ring looks adaptation.

As a preferred technical scheme of the utility model, two flange joint has a plurality of screw rods, the screw rod is close to flange one side and is provided with the gasket, the gasket is close to flange one side and is provided with the rubber gasket.

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

1. through the rubber tube cover that sets up, the sealing ring, when using, go into the both sides of rubber tube cover with the flange card of both sides, and effect through the rubber pad seals up the connector, meanwhile, set for through the right angle triangle structure of sealing ring, lower surface and flange surface laminating, when there is the leakage between flange and the rubber pad, sealing ring and rubber pad this moment, form an empty storehouse between the flange, under the effect of pipeline internal gas pressure, exert pressure to the right angle face of sealing ring, and then make the laminating degree between sealing ring lower extreme and the flange stronger, and can improve sealing performance automatically along with the increase of pressure, and then promote sealed effect.

2. Through gasket, the rubber gasket that sets up, through the cooperation of the rubber gasket at screw rod and nut both ends, under the extrusion of gasket for the gasket closely laminates with the rubber gasket, and the gasket is sealed screw rod, nut, prevents that gas from spilling over from the junction, and then improves sealed effect.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the rubber hose cover of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention;

fig. 5 is a schematic structural view of a flange section of the present invention;

fig. 6 is a schematic view of the screw structure of the present invention.

Wherein: 1. a voltage regulator; 2. a connecting pipe; 3. a flange; 4. a rubber hose sleeve; 5. a rubber pad; 6. a screw hole; 7. a rubber ring; 8. a seal ring; 9. a seal ring; 10. a groove; 11. a screw; 12. a gasket; 13. a rubber 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 figures 1-6, the utility model provides an improved town gas pressure regulator valve port sealing device, which comprises a pressure regulator 1, a connecting pipe 2 is arranged at one side of the pressure regulator 1, flanges 3 are arranged at the joints of the pressure regulator 1 and the connecting pipe 2, a rubber sleeve 4 is sleeved at the joint of the outer surfaces of the two flanges 3, a rubber pad 5 is integrally formed at the inner center of the rubber sleeve 4, two flanges 3 are arranged on two sides of a rubber pad 5, a plurality of screw holes 6 corresponding to the flanges 3 are evenly arranged on the surface of the rubber pad 5, a plurality of sealing rings 8 are integrally formed on the inner wall of the rubber sleeve 4, and with the inseparable laminating of flange 3 surface, a plurality of sealing rings 8 all are right triangle structure, and are close to flange 3 one side and be domatic, and rubber tube cover 4 keeps away from 5 side edges of rubber pad homogeneous body shaping in edge has sealing washer 9, and the relative one side of two sealing washers 9 is laminated with flange 3 surface.

When using, the flange 3 card with both sides is gone into the both sides of rubber tube cover 4, and the effect through rubber pad 5 seals up the connector gap department, meanwhile through the right angle triangle structure setting of sealing ring 8, the lower surface laminates with 3 surfaces of flange, when there is the leakage between flange 3 and the rubber pad 5, sealing ring 8 and rubber pad 5 this moment, form an empty storehouse between the flange 3, under the effect of pipeline internal gas pressure, exert pressure to the right angle face of sealing ring 8, and then make the laminating degree between 8 lower extremes of sealing ring and the flange 3 stronger, and along with the increase of pressure can improve sealing performance automatically, and then promote sealed effect.

In other embodiments, the two sealing rings 9 have an arc-shaped surface structure on the side away from the flange 3, so that the flange 3 can be conveniently clamped into the rubber sleeve 4.

In other embodiments, three or more sealing rings 8 are provided to improve the sealing effect.

In other embodiments, the rubber ring 7 is integrally formed on the side of the rubber gasket 5 away from the sealing ring 8, so that the contact effect between the flange 3 and the rubber gasket 5 is improved, and the sealing performance is improved.

In other embodiments, the two flanges 3 are provided with the grooves 10 on the sides close to the rubber ring 7, and the grooves are matched with the rubber ring 7, so that the contact surface is improved, and the sealing performance is further improved.

In other embodiments, the two flanges 3 are connected with a plurality of screws 11, a gasket 12 is arranged on one side of each screw 11 close to the flange 3, and a rubber gasket 13 is arranged on one side of each gasket 12 close to the flange 3.

Through the cooperation of the rubber gasket 13 at screw rod 11 and nut both ends, under the extrusion effect of gasket 12 for gasket 12 and rubber gasket 13 closely laminate, and gasket 12 seals screw rod 11, the nut, prevents that gas from overflowing from the connecting hole department, and then improves sealed effect.

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. Improved generation town gas pressure regulator valve port sealing device, including voltage regulator (1), its characterized in that: the pressure regulator is characterized in that a connecting pipe (2) is arranged on one side of the pressure regulator (1), flanges (3) are arranged at the joints of the pressure regulator (1) and the connecting pipe (2), rubber pipe sleeves (4) are sleeved at the joints of the outer surfaces of the two flanges (3), a rubber gasket (5) is integrally formed in the center of the inner part of each rubber pipe sleeve (4), the two flanges (3) are arranged on the two sides of the rubber gasket (5), a plurality of screw holes (6) corresponding to the flanges (3) are uniformly formed in the surface of the rubber gasket (5), a plurality of sealing rings (8) are integrally formed on the inner wall of each rubber pipe sleeve (4) and tightly attached to the outer surface of the flange (3), the plurality of sealing rings (8) are of right-angled triangle structures, a slope surface is formed on one side close to the flange (3), and a sealing ring (9) is integrally formed at the edge of one side, far away from the rubber gasket (5), of each rubber pipe sleeve (4), and one side, opposite to the sealing ring (9), is attached to the outer surface of the flange (3).

2. The improved town gas pressure regulator valve port sealing device as claimed in claim 1, wherein: and one side of the two sealing rings (9) far away from the flange (3) is of an arc-shaped surface structure.

3. The improved town gas pressure regulator valve port sealing device as claimed in claim 1, wherein: the number of the sealing rings (8) is three or more.

4. The improved town gas pressure regulator valve port sealing device as claimed in claim 1, wherein: and one side of the rubber pad (5) far away from the sealing ring (8) is integrally formed with a rubber ring (7).

5. The improved town gas pressure regulator valve port sealing device as claimed in claim 1, wherein: one side of each of the two flanges (3), which is close to the rubber ring (7), is provided with a groove (10) which is matched with the rubber ring (7).

6. The improved town gas pressure regulator valve port sealing device as claimed in claim 1, wherein: two flange (3) are connected with a plurality of screw rods (11), screw rod (11) are provided with gasket (12) near flange (3) one side, gasket (12) are provided with rubber gasket (13) near flange (3) one side.