CN219623461U

CN219623461U - Natural gas conveying connector

Info

Publication number: CN219623461U
Application number: CN202320407164.0U
Authority: CN
Inventors: 李振威
Original assignee: Laishui Zhongran Natural Gas Co ltd
Current assignee: Laishui Zhongran Natural Gas Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-09-01
Anticipated expiration: 2033-03-07

Abstract

The utility model discloses a natural gas conveying connector which comprises a first connecting pipe, a rubber pad and a second connecting pipe, wherein one end of the first connecting pipe is fixedly connected with a first flange, the inner wall of one end of the first connecting pipe is fixedly connected with a first fixing ring, one side of the first fixing ring is equidistantly separated from the first fixing ring and provided with a plurality of round holes, limiting rods are sleeved in the round holes in a sliding mode, and one end, close to the first flange, of each limiting rod is fixedly connected with the same metal ring. According to the utility model, through the arrangement of the first fixing ring, the limiting rods, the springs, the metal rings, the first rubber ring and the third sleeve, the third sleeve is propped against the first rubber ring and is extruded, so that the first rubber ring pushes the metal rings to move inwards to push the limiting rods and compress the springs, the first rubber ring deforms under the continuous extrusion of the third sleeve, and the first sleeve and the third sleeve propped against the inner wall of the first connecting pipe are propped against each other, so that the sealing effect is achieved between the first sleeve and the third sleeve.

Description

Natural gas conveying connector

Technical Field

The utility model relates to the technical field of natural gas conveying, in particular to a natural gas conveying nipple.

Background

Natural gas is stored in underground porous rock stratum, including oil field gas, gas field gas, coal bed gas, mud pit gas, biological produced gas, etc. and is also used as high quality fuel and chemical material.

Natural gas is generally conveyed to a household through a pipeline, a plurality of pipelines are required to be connected in pipeline laying, a connector is commonly used in pipeline connection, the existing natural gas conveying connector is generally connected only through threads or flanges, the connection mode is easy to loosen for a long time, and accordingly natural gas leakage is caused, safety hazard and economic loss are caused, and the natural gas conveying connector is designed.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a natural gas delivery connector.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a natural gas transport nipple, includes first connecting pipe, rubber pad and second connecting pipe, first flange of first connecting pipe one end fixedly connected with, first solid fixed ring of first connecting pipe one end inner wall fixedly connected with, first solid fixed ring one side equidistance leaves and is equipped with a plurality of round holes, and is a plurality of all slip cap is equipped with the gag lever post in the round hole, and is a plurality of the one end fixedly connected with same metal ring that the gag lever post is close to first flange.

Preferably, a first rubber ring is fixedly arranged on one side, close to the first flange, of the metal ring, cylindrical bumps are fixedly connected to the other ends of the limiting rods, and a first sleeve is fixedly connected to the inner surface of the circumference of the first fixing ring.

Preferably, a plurality of limit rods are sleeved on the circumferential surfaces between the first fixing ring and the metal ring.

Preferably, one end of the second connecting pipe is fixedly connected with a second flange, one side, close to the second flange, of the second connecting pipe is fixedly connected with a second fixing ring, the inner surface of the circumference of the second fixing ring is fixedly connected with a second sleeve, and one side, close to the second flange, of the second fixing ring is fixedly connected with a third sleeve.

Preferably, a second rubber ring is fixedly arranged on one side of the second fixing ring, which is positioned between the second sleeve and the third sleeve.

Preferably, the cross-sectional areas of the metal ring, the first rubber ring, the first fixing ring and the second sleeve are all equal in size, and the cross-sectional areas of the first sleeve and the second rubber ring are equal in size.

Preferably, a plurality of bolts are arranged among the first flange, the rubber pad and the second flange.

The beneficial effects of the utility model are as follows:

1. this kind of natural gas transport nipple, through first solid fixed ring, gag lever post, spring, metal ring, first rubber ring and third telescopic setting, third sleeve supports first rubber ring, and extrudees for first rubber ring promotes the metal ring and inwards moves, promotes a plurality of gag lever posts, and compression spring, under third telescopic continuous extrusion, first rubber ring will take place deformation, will support first sleeve and third sleeve of first connecting pipe inner wall, make between the three reach sealed effect.

2. This kind of natural gas delivery nipple, the setting of first sleeve and second rubber ring, in the space between first sleeve and the third sleeve, finally support to the second rubber ring on to extrude the second rubber ring, make reach sealed effect once more between first sleeve and third sleeve and the second sleeve, avoid the natural gas leakage, cause loss by weight and incident.

Drawings

FIG. 1 is a schematic view of the overall structure of a natural gas delivery nipple according to the present utility model;

fig. 2 is a schematic sectional view of a first connecting pipe of a natural gas delivery connector according to the present utility model;

fig. 3 is a schematic cross-sectional view of a second connecting pipe of a natural gas delivery connector according to the present utility model.

In the figure: 1. a first connection pipe; 101. a first fixing ring; 102. a limit rod; 103. a spring; 104. a metal ring; 105. a first rubber ring; 106. a first sleeve; 107. cylindrical bumps; 2. a second connection pipe; 201. a second fixing ring; 202. a second sleeve; 203. a third sleeve; 204. a second rubber ring; 3. a first flange; 4. a second flange; 5. a rubber pad; 6. and (5) a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a natural gas delivery connector comprises a first connecting pipe 1, a rubber pad 5 and a second connecting pipe 2, wherein one end of the first connecting pipe 1 is fixedly connected with a first flange 3, the inner wall of one end of the first connecting pipe 1 is fixedly connected with a first fixing ring 101, one side of the first fixing ring 101 is equidistantly separated from and provided with a plurality of round holes, limiting rods 102 are sleeved in the round holes in a sliding mode, and one end, close to the first flange 3, of the limiting rods 102 is fixedly connected with the same metal ring 104.

In the utility model, a first rubber ring 105 is fixedly arranged on one side of a metal ring 104, which is close to a first flange 3, cylindrical lugs 107 are fixedly connected to the other ends of a plurality of limiting rods 102, and a first sleeve 106 is fixedly connected to the inner surface of the circumference of a first fixed ring 101.

In the utility model, springs 103 are sleeved on the circumferential surfaces of the plurality of limiting rods 102 between the first fixing ring 101 and the metal ring 104.

In the utility model, one end of a second connecting pipe 2 is fixedly connected with a second flange 4, one side, close to the second flange 4, of the inside of the second connecting pipe 2 is fixedly connected with a second fixing ring 201, the circumferential inner surface of the second fixing ring 201 is fixedly connected with a second sleeve 202, and one side, close to the second flange 4, of the second fixing ring 201 is fixedly connected with a third sleeve 203.

In the present utility model, a second rubber ring 204 is fixedly installed at one side of the second fixing ring 201 between the second sleeve 202 and the third sleeve 203.

In the utility model, the cross-sectional areas of the metal ring 104, the first rubber ring 105, the first fixing ring 101 and the second sleeve 202 are all equal in size, so that the second sleeve 202 can be inserted into the first connecting pipe 1 and can just abut against the first rubber ring 105, the second sleeve 202 can be tightly attached to the circumferential outer wall of the first sleeve 106, the tightness of the first connecting pipe 1 and the second connecting pipe 2 is improved, the cross-sectional areas of the first sleeve 106 and the second rubber ring 204 are equal in size, the first sleeve 106 can be inserted into a gap between the second sleeve 202 and the third sleeve 203, and the second sleeve 202 abuts against the second rubber ring 204, and the tightness of the first connecting pipe 1 and the second connecting pipe 2 is further improved.

In the utility model, the sealing performance between the first connecting pipe 1 and the second connecting pipe 2 is further ensured by arranging the plurality of bolts 6 and the rubber gasket 5 among the first flange 3, the rubber gasket 5 and the second flange 4.

Working principle: when the natural gas delivery pipe nipple is used, firstly, the rubber gasket 5 is placed between the first connecting pipe 1 and the flange of the second connecting pipe 2, then the second sleeve 202 and the third sleeve 203 of the second connecting pipe 2 are aligned with one end of the first flange 3 and inserted into the first connecting pipe 1, the first flange 3 and the second flange 4 are fixedly connected through the bolts 6, when the bolts 6 are fixed through nuts, the third sleeve 203 abuts against the first rubber ring 105 and presses the first rubber ring 105, so that the first rubber ring 105 pushes the metal ring 104 to move inwards, a plurality of limit rods 102 are pushed, the springs 103 are compressed, under the continuous pressing of the third sleeve 203, the first rubber ring 105 deforms, the first sleeve 106 and the third sleeve 203 abut against the inner wall of the first connecting pipe 1, so that a sealing effect is achieved between the three, meanwhile, the first sleeve 106 is inserted into a gap between the second sleeve 202 and the third sleeve 203, finally abuts against the second rubber ring 204, the second rubber ring 204 is pressed, so that the second sleeve 106 and the third sleeve 203 abut against the flange 6 again, and the sealing effect is achieved under the second flange 3, and the final sealing effect is achieved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a natural gas transport nipple, includes first connecting pipe (1), rubber pad (5) and second connecting pipe (2), its characterized in that, first flange (3) of first connecting pipe (1) one end fixedly connected with, first solid fixed ring (101) of first connecting pipe (1) one end inner wall fixedly connected with, first solid fixed ring (101) one side equidistance is left and is equipped with a plurality of round holes, and is a plurality of equal slip cap is equipped with gag lever post (102) in the round hole, a plurality of one end fixedly connected with same metal ring (104) that gag lever post (102) are close to first flange (3).

2. The natural gas delivery nipple according to claim 1, wherein a first rubber ring (105) is fixedly installed on one side, close to the first flange (3), of the metal ring (104), cylindrical bumps (107) are fixedly connected to the other ends of the limiting rods (102), and a first sleeve (106) is fixedly connected to the inner circumferential surface of the first fixing ring (101).

3. A natural gas delivery nipple according to claim 1, characterized in that a plurality of said stop bars (102) are each provided with springs (103) around the circumferential surface between the first fixing ring (101) and the metal ring (104).

4. A natural gas delivery nipple according to claim 1, characterized in that one end of the second connecting pipe (2) is fixedly connected with a second flange (4), one side, close to the second flange (4), of the second connecting pipe (2) is fixedly connected with a second fixing ring (201), the inner circumferential surface of the second fixing ring (201) is fixedly connected with a second sleeve (202), and one side, close to the second flange (4), of the second fixing ring (201) is fixedly connected with a third sleeve (203).

5. A natural gas delivery nipple according to claim 4, characterized in that the second fixing ring (201) is provided with a second rubber ring (204) fixedly mounted on the side between the second sleeve (202) and the third sleeve (203).

6. The natural gas delivery nipple of claim 4, wherein the cross-sectional areas of the metal ring (104), the first rubber ring (105), the first retaining ring (101) and the second sleeve (202) are all equal in size, and the first sleeve (106) and the second rubber ring (204) are equal in size.

7. A natural gas delivery nipple according to claim 1, characterized in that a plurality of bolts (6) are passed between the first flange (3), the rubber pad (5) and the second flange (4).