CN218267919U

CN218267919U - Pipeline plugging device for gas engineering

Info

Publication number: CN218267919U
Application number: CN202222596791.1U
Authority: CN
Inventors: 刘玉林; 潘奇林; 王鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-01-10
Anticipated expiration: 2032-09-29

Abstract

The utility model discloses a pipeline plugging device for gas engineering relates to gas engineering technical field. Including the siphunculus, no. one ring flange of outer wall fixedly connected with of siphunculus, no. two ring flanges of one end fixedly connected with of a ring flange, the one end fixedly connected with sealed tube of No. two ring flanges, the inside one end fixedly connected with sealing washer of sealed tube, the one end of siphunculus and one side of sealing washer contact, and the inner wall of sealed tube and the outer wall of siphunculus contact. The utility model discloses a setting of this plugging device structure, this structure passes through the position fixation of bolt nut with sealed tube and siphunculus, and the integral type structure of sealed tube simultaneously for the gas is difficult to flow from the space between siphunculus and the sealed tube, and bolt nut's connection has stability, and after the installation was accomplished to interference fit between sealed tube and the siphunculus, interference fit's relation made sealed tube and siphunculus connect closely, can improve this plugging device's leakproofness.

Description

Pipeline plugging device for gas engineering

Technical Field

The utility model relates to a gas engineering technical field specifically is a pipeline plugging device for gas engineering.

Background

The gas is the general term for gas fuel, and it can be burned to release heat for the use of residents and industrial enterprises. The gas is of various types, mainly including natural gas, artificial gas, liquefied petroleum gas, methane and coal gas, and the gas is required to be conveyed by a pipeline in the gas conveying process, and the pipeline plugging device is often required to plug the gas pipe in the arrangement of a gas pipeline line.

At present, part of pipeline plugging devices are single in structure and not tight enough in connection, so that leakage is easy to occur at the plugging position of a gas pipeline, and gas conveying is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipeline plugging device for gas engineering to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pipeline plugging device for gas engineering, includes the siphunculus, no. one ring flange of outer wall fixedly connected with of siphunculus, no. two ring flanges of one end fixedly connected with of a ring flange, the one end fixedly connected with seal tube of No. two ring flanges, the inside one end fixedly connected with sealing washer of seal tube, the one end of siphunculus and one side of sealing washer contact, and the inner wall of seal tube and the outer wall of siphunculus contact, install the packing ring between a ring flange and No. two ring flanges.

Preferably, a through hole is formed in one side of the first flange plate and one side of the second flange plate respectively, a bolt and a nut are mounted on the inner wall of the through hole, and one side of the first flange plate and one side of the second flange plate are fixed through the bolt and the nut.

Preferably, one end inside the sealing pipe is fixedly connected with a cylinder, and the outer wall of the cylinder is contacted with the inner wall of the through pipe.

Preferably, one side of the gasket is in contact with one side of the first flange, and the other side of the gasket is in contact with one side of the second flange.

Preferably, the sealing ring is made of rubber, the gasket is made of rubber, the first flange plate and the second flange plate are identical in structure, and the sealing pipe is of an integral structure.

Preferably, the inner wall of the sealing pipe is in interference fit with the outer wall of the through pipe, and the outer wall of the cylinder is in interference fit with the inner wall of the through pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

this pipeline plugging device for gas engineering, through the setting of this plugging device structure, this structure passes through the position fixation of bolt nut with sealed tube and siphunculus, the integral type structure of sealed tube simultaneously for the gas is difficult to flow from the space between siphunculus and the sealed tube, and bolt nut's connection has stability, and after the interference fit between sealed tube and the siphunculus was accomplished in the installation, interference fit's relation makes sealed tube and siphunculus connect closely, can improve this plugging device's leakproofness.

This pipeline plugging device for gas engineering, through the setting of packing ring and sealing washer, because its size has the error in process of production, packing ring and sealing washer use rubber to make, and rubber has elasticity, can allow the existence of error for the device can normally install, has improved the device's practicality.

Drawings

Fig. 1 is an isometric view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a cross-sectional view of the present invention.

In the figure: 1. pipe passing; 2. a first flange plate; 3. a second flange plate; 4. a seal ring; 5. sealing the tube; 6. a bolt and a nut; 7. a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship indicated based on the drawings, which is only for convenience of description of the present invention and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, e.g., the thickness or width of some layers may be exaggerated relative to other layers.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one of the figures, it will not need to be further discussed or illustrated in detail in the description of the figures that follows.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a pipeline plugging device for gas engineering, includes siphunculus 1, no. 2 ring flanges of outer wall fixedly connected with of siphunculus 1, no. 3 ring flanges of one end fixedly connected with of No. 2 ring flanges, no. 5 ring flanges's one end fixedly connected with

seal tube

5, 5 inside one end fixedly connected with sealing washer 4 of seal tube, the one end of siphunculus 1 contacts with one side of sealing washer 4, the inner wall of seal tube 5 contacts with the outer wall of siphunculus 1, install packing ring 7 between No. 2 ring flanges and No. 3 ring flanges.

Through holes are formed in one side of the first flange plate 2 and one side of the second flange plate 3 respectively, bolt nuts 6 are installed on the inner wall of the through holes, and one side of the first flange plate 2 and one side of the second flange plate 3 are fixed through the bolt nuts 6.

One end fixedly connected with cylinder inside the sealed tube 5, the cylindrical outer wall contacts with the inner wall of siphunculus 1.

One side of the gasket 7 is contacted with one side of the first flange plate 2, and the other side of the gasket 7 is contacted with one side of the second flange plate 3.

Sealing washer 4 adopts rubber to make, and packing ring 7 adopts rubber to make, and a ring flange 2 is the same with No. two ring flange 3 structures, and sealed tube 5 is the integral type structure, interference fit between the inner wall of sealed tube 5 and the outer wall of siphunculus 1, interference fit between cylindrical outer wall and the inner wall of siphunculus 1.

The length of each part is designed, the through pipe is in a fixed shape, the design of other parts is designed by taking the through pipe as reference,

because of the error in the production process, the sleeve, the two gaskets 7 and the sealing pipe 5 are of an integrated structure, the sealing ring 4 is fixed inside the sealing pipe 5, the second flange 3 is fixed at one end of the sealing pipe 5, the first flange 2 is fixed on the outer wall of the through pipe 1, the gaskets 7 are placed on the outer wall of the through pipe 1, one end of the through pipe 1 is inserted into the inner wall of the sealing pipe 5, because the inner wall of the sealing pipe 5 is in interference fit with the outer wall of the through pipe 1, resistance exists when one end of the through pipe 1 is inserted into the inner wall of the sealing pipe 5, manual or mechanical force needs to be applied at the moment, so that one end of the through pipe 1 can be contacted with the sealing ring 4, the cylindrical outer wall is contacted with the inner wall of the through pipe 1, the positions of the first flange 2, the second flange 3 and the gaskets 7 are fixed through the bolt nuts 6, and because of the self-locking performance of the bolt nuts 6, make this bolt and nut 6 be difficult for droing, through the interference fit between siphunculus 1 and the sealed tube 5, make gas be difficult for flowing out between sealed tube 5 and siphunculus 1, even if there is no bolt and nut 6 simultaneously, because interference fit's existence, make difficult for breaking away from each other between sealed tube 5 and the siphunculus 1, no. one ring flange 2 and siphunculus 1 are fixed through connecing, no. two ring flange 3 and sealed tube 5 are fixed through welded fastening, between welding makes No. one ring flange 2 and siphunculus 1, no. two ring flange 3 and sealed tube 5 are difficult for taking place the position change, the stability of the device has been guaranteed, through the setting of this plugging device structure, this structure passes through bolt and nut 6 with the fixed position of siphunculus 1, the integral type structure of sealed tube 5 simultaneously, make the gas be difficult for flowing out from the space between siphunculus 1 and sealed tube 5, the connection of bolt and nut 6 has stability, after the interference fit between 5 and the siphunculus 1 of sealed tube was accomplished in the installation, interference fit's relation makes sealed tube 5 and siphunculus 1 connect closely, can improve this plugging device's leakproofness, through the setting of packing ring 7 and sealing washer 4, owing to its size error in process of production, packing ring 7 and sealing washer 4 use rubber to make, and rubber has elasticity, can the existence of permissible error for the device can normally be installed, has improved the device's practicality.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pipeline plugging device for gas engineering, includes siphunculus (1), its characterized in that: ring flange (2) No. one of outer wall fixedly connected with of siphunculus (1), ring flange (3) No. two of one end fixedly connected with of ring flange (2), one end fixedly connected with seal tube (5) of ring flange (3) No. two, the inside one end fixedly connected with sealing washer (4) of seal tube (5), the one end of siphunculus (1) and one side of sealing washer (4) contact, and the inner wall of seal tube (5) and the outer wall of siphunculus (1) contact, install packing ring (7) between ring flange (2) and ring flange (3) No. two.

2. The pipeline plugging device for the gas engineering according to claim 1, wherein: through-holes are respectively formed in one side of the first flange plate (2) and one side of the second flange plate (3), bolt nuts (6) are installed on the inner wall of the through-holes, and one side of the first flange plate (2) and one side of the second flange plate (3) are fixed through the bolt nuts (6).

3. The pipeline plugging device for the gas engineering of claim 1, wherein: one end fixedly connected with cylinder inside sealed tube (5), the inner wall that cylindrical outer wall and siphunculus (1) contacted.

4. The pipeline plugging device for the gas engineering of claim 1, wherein: one side of the gasket (7) is in contact with one side of the first flange plate (2), and the other side of the gasket (7) is in contact with one side of the second flange plate (3).

5. The pipeline plugging device for the gas engineering of claim 1, wherein: the sealing ring (4) is made of rubber, the gasket (7) is made of rubber, the first flange plate (2) and the second flange plate (3) are identical in structure, and the sealing pipe (5) is of an integral structure.

6. The pipeline plugging device for the gas engineering according to claim 1, wherein: and the inner wall of the sealing pipe (5) is in interference fit with the outer wall of the through pipe (1), and the outer wall of the cylinder is in interference fit with the inner wall of the through pipe (1).