CN211474971U

CN211474971U - Safety valve

Info

Publication number: CN211474971U
Application number: CN201922129553.8U
Authority: CN
Inventors: 陈忠余
Original assignee: Yangzhou Giant Star Machinery Co ltd
Current assignee: Yangzhou Giant Star Machinery Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-09-11
Anticipated expiration: 2029-12-02

Abstract

The utility model provides a safety valve. Relates to a valve, in particular to improvement of a safety valve. The safety valve can compensate gas impact and is firmly connected with the tank body. Locate on the pipeline, including valve body and mount pad, the valve body passes through the bolt fastening and is in on the mount pad, the mount pad includes flange base and elastic component, the valve body is fixed on the flange base just elastic component arranges in the flange base with between the valve body. The impact force can be compensated through the elastic component at the moment when the safety valve is opened, so that the flange base and the valve body are still tightly attached to prevent the joint from being repeatedly stretched and cracks, and the safety valve is ensured to be firmly connected.

Description

Safety valve

Technical Field

The utility model relates to a valve especially relates to the improvement to the relief valve.

Background

The safety valve is one of the indispensable safety measure on pipeline or the sealed jar body, and mainly used pressure release when the pressure is too big is used to keep jar body or the pressure in the pipeline to be in a stable safe state, when the safety valve opens in an instant, because the impact action of air current, lead to the junction of safety valve and pipeline or the sealed jar body to produce deformation easily, can lead to after long-time the use to be connected insecure between valve and the pipeline or the sealed jar body, appear sealed untight easily.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a can compensate gas impact, with jar body firm in connection's relief valve.

The utility model discloses a following technical scheme realizes: the safety valve is arranged on a pipeline and comprises a valve body and a mounting seat, the valve body is fixed on the mounting seat through bolts, the mounting seat comprises a flange base and an elastic assembly, the valve body is fixed on the flange base, and the elastic assembly is arranged between the flange base and the valve body.

The elastic assembly comprises at least two pressure springs which are respectively fixed on the flange base, and the valve body is arranged on the flange base, and the upper part of the pressure spring is fixed on the flange base through a bolt and tightly attached to the flange base.

The flange base is provided with a containing groove, the pressure spring is arranged in the containing groove, and the pressure spring extends out of the containing groove and contacts with the valve body.

The elastic assembly comprises a cylinder arranged on the flange base, a piston is arranged in the cylinder and divides the cylinder into a closed lower cylinder body and an upper cylinder body with an upper opening, the lower cylinder body is filled with gas, a bearing plate is arranged on the upper end face of the piston, and the valve body is fixed on the flange base through a bolt and tightly attached to the bearing plate.

The cylinder is a containing hole formed in the axial direction of the flange, the piston is arranged in the containing hole, and the gas is arranged between the bottom of the containing hole and the piston.

Compared with the prior art, the utility model discloses just can compensate impulsive force through elastic component in the twinkling of an eye that the relief valve was opened for still closely laminating between flange base and the valve body prevents that the junction from stretching repeatedly the appearance crack, guarantees relief valve firm in connection.

Drawings

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic structural diagram of the present invention II;

FIG. 4 is a schematic diagram of the structure at B in FIG. 2;

in the figure: 1. a pipeline; 2. a valve body; 3. a flange base; 4. a pressure spring; 5. a containing groove; 6. a housing hole; 7. a piston; 8. a bearing plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1 to 4, the safety valve is disposed on a pipeline 1, and includes a valve body 2 and a mounting seat, the valve body 2 is fixed on the mounting seat by bolts, the mounting seat includes a flange base and an elastic component, the valve body 2 is fixed on the flange base, and the elastic component is disposed between the flange base and the valve body 2. Therefore, the impact force can be compensated through the elastic assembly at the moment when the safety valve is opened, so that the flange base and the valve body 2 are still tightly attached to prevent the repeated stretching of the joint from generating cracks, and the firm connection of the safety valve is ensured.

As shown in fig. 1-2, the elastic assembly includes at least two compression springs 4, the two compression springs 4 are respectively fixed on the flange base, and the valve body 2 is arranged above the compression springs 4 and fixed on the flange base through bolts and tightly attached to the flange base. The flange base is provided with a containing groove 5, the pressure spring 4 is arranged in the containing groove 5, and the pressure spring 4 extends out of the containing groove 5 to be in contact with the valve body 2. When the safety valve is opened at a moment, gas rushes into the safety valve, so that the safety valve is separated from the pipeline 1 under the action of impulsive force at a moment. At the moment, the pressure spring 4 is used for compensating and preventing separation, the impulsive force of gas is counteracted, the service life of the safety valve is prolonged, and meanwhile, the connection strength between the safety valve and the pipeline 1 is ensured.

As shown in fig. 3-4, the elastic component includes a cylinder disposed on the flange base, a piston 7 disposed in the cylinder divides the cylinder into a closed lower cylinder and an upper cylinder with an upper opening, the lower cylinder is filled with gas, a bearing plate 8 is disposed on an upper end face of the piston 7, and the valve body 2 is fixed on the flange base through a bolt and tightly attached to the bearing plate 8. The cylinder is a containing hole 6 formed in the axial direction of the flange, the piston 7 is arranged in the containing hole 6, and the gas is arranged between the bottom of the containing hole 6 and the piston 7. When the impulsive force of gas strikes the relief valve, the gas impulsive force is counteracted through the gas sealed in the cylinder as the buffering to prolong the life of relief valve and simultaneously liquid guarantees the joint strength between relief valve and pipeline 1.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The relief valve is located on the pipeline, including valve body and mount pad, the valve body passes through the bolt fastening on the mount pad, its characterized in that: the mounting base comprises a flange base and an elastic assembly, the valve body is fixed on the flange base, and the elastic assembly is arranged between the flange base and the valve body.

2. The safety valve of claim 1, wherein: the elastic assembly comprises at least two pressure springs which are respectively fixed on the flange base, and the valve body is arranged on the flange base, and the upper part of the pressure spring is fixed on the flange base through a bolt and tightly attached to the flange base.

3. The safety valve of claim 2, wherein: the flange base is provided with a containing groove, the pressure spring is arranged in the containing groove, and the pressure spring extends out of the containing groove and contacts with the valve body.

4. The safety valve of claim 1, wherein: the elastic assembly comprises a cylinder arranged on the flange base, a piston is arranged in the cylinder and divides the cylinder into a closed lower cylinder body and an upper cylinder body with an upper opening, the lower cylinder body is filled with gas, a bearing plate is arranged on the upper end face of the piston, and the valve body is fixed on the flange base through a bolt and tightly attached to the bearing plate.

5. The safety valve of claim 4, wherein: the cylinder is a containing hole formed in the axial direction of the flange base, the piston is arranged in the containing hole, and the gas is arranged between the bottom of the containing hole and the piston.