CN221958388U - A gas supply pipeline connection assembly - Google Patents

Abstract

The utility model relates to the technical field of gas pipeline connection, and discloses a connection assembly for a gas supply pipeline, including a joint piece and a pipe body, wherein the outer thread of the pipe body is connected with a threaded sleeve, the outer part of the threaded sleeve is fixedly connected with a mounting sleeve, the outer part of the pipe body is slidably connected with a limiting ring, the inner part of the joint piece is fixedly connected with a first sliding rod, the outer part of the first sliding rod is slidably connected with a first sliding sleeve, the outer part of the first sliding sleeve is fixedly connected with a first wedge block, the inner part of the joint piece is fixedly connected with a second sliding rod, the outer part of the second sliding rod is slidably connected with a second sliding sleeve, and the outer part of the second sliding sleeve is fixedly connected with a second wedge block. The connection assembly for the gas supply pipeline fixes the pipe body on the joint piece by rotating the mounting sleeve, thereby improving the convenience of installation between pipes, improving installation efficiency, ensuring the stability of the connection, and having the advantage of convenient connection.

Description

A gas supply pipeline connection assembly

Technical Field

The utility model relates to the technical field of gas pipeline connection, in particular to a connection component for a gas supply pipeline.

Background Art

Some gases, such as natural gas, if leaked while passing through pipelines, may cause explosions or fires when exposed to open flames or static electricity. If the ventilation effect is not good, it may cause people to lack of oxygen, suffocate or even die, causing immeasurable losses to the unit's production safety and life and property.

In the relevant prior art, double-walled pipes can be connected in a variety of ways, such as welding and flange connection, among which welding is the most reliable. However, considering the installation and disassembly of the pipes, detachable connection methods such as flanges or threads must be added. Traditional pressure gas pipe flanges are connected by bolts. During installation, the threaded holes on the flanges are often not easy to dock, resulting in the flange being misaligned when the pressure gas pipe is connected. Therefore, subsequent adjustments are required, resulting in reduced installation efficiency of the pressure gas pipe. Therefore, a connection component for a gas supply pipe is urgently needed to solve the above problem.

Utility Model Content

1. Technical issues to be solved

In view of the deficiencies in the prior art, the utility model provides a connection assembly for a gas supply pipeline, which has the advantages of convenient connection, etc., and solves the problem that the traditional pressure gas pipeline flanges are connected by bolts, and the threaded holes on the flanges are often difficult to dock during installation, resulting in misalignment of the flanges when the pressure gas pipeline is connected.

(II) Technical solution

The utility model provides a technical solution to the above technical problems as follows: a connection assembly for a gas supply pipeline, comprising a joint member and a pipe body, the external threaded connection of the pipe body being provided with a threaded sleeve, the external fixed connection of the threaded sleeve being provided with a mounting sleeve, the external sliding connection of the pipe body being provided with a limiting ring, the internal fixed connection of the joint member being provided with a first sliding rod, the external sliding connection of the first sliding rod being provided with a first sliding sleeve, the external fixed connection of the first sliding sleeve being provided with a first wedge block, the internal fixed connection of the joint member being provided with a second sliding rod, the external sliding connection of the second sliding rod being provided with a second sliding sleeve, and the external fixed connection of the second sliding sleeve being provided with a second wedge block.

The beneficial effects of the utility model are:

The connection assembly of the gas supply pipeline fixes the pipe body on the joint piece by rotating the installation sleeve, thereby improving the convenience of installation between pipelines, improving the installation efficiency, ensuring the stability of the connection, and having the advantage of convenient connection.

On the basis of the above technical solution, the present invention can also be improved as follows.

Furthermore, the first wedge block is in contact with the inclined surface of the second wedge block, a limit slot is provided inside the tube body, and one end of the second wedge block away from the first wedge block is inserted into the limit slot.

The beneficial effect of adopting the above further solution is that the second wedge block is squeezed and limited by the first wedge block, so that the second wedge block remains inserted in the limiting slot.

Furthermore, a first return spring is disposed outside the second slide bar, and a second return spring is disposed outside the first slide bar.

The beneficial effect of adopting the above further solution is that when the first wedge block cancels the limiting state of the second wedge block, the second wedge block is reset to cancel the limiting state of the tube body.

Furthermore, a sealing ring is fixedly connected to one side of the installation sleeve close to the joint member, a sealing groove is provided inside the joint member, the sealing ring is threadedly connected to the inside of the sealing groove, and a first sealing gasket is provided inside the sealing groove.

The beneficial effect of adopting the above further solution is that the first sealing gasket is squeezed by the sealing ring to ensure the sealing performance.

Furthermore, the installation sleeve is arranged outside the limiting ring, and a second sealing gasket is arranged between the installation sleeve and the limiting ring.

The beneficial effect of adopting the above further solution is that the second sealing gasket is squeezed by the installation sleeve, thereby ensuring the sealing performance.

Furthermore, one end of the first wedge block away from the second wedge block abuts against the limiting ring, the tube body is inserted into the interior of the connector, the cross-sectional shape of the limiting ring is L-shaped, and an L-shaped connecting cavity is opened inside the connector.

The beneficial effect of adopting the above further solution is that the first wedge block is limited by the limiting ring, so that the first wedge block maintains the limiting state of the second wedge block.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic diagram of the structure of the utility model;

Figure 2 is an enlarged view of the A portion of the figure in the present invention;

Figure 3 is a schematic diagram of the structure of the installation sleeve in the utility model;

FIG. 4 is a schematic diagram of the structure of the tube body of the present invention.

In the figure: 1, connector; 2, tube body; 3, threaded sleeve; 4, mounting sleeve; 5, limiting ring; 6, first slide rod; 7, first slide sleeve; 8, first wedge block; 9, second slide rod; 10, second slide sleeve; 11, second wedge block; 12, limiting slot; 13, first return spring; 14, second return spring; 15, sealing ring; 16, first sealing gasket; 17, second sealing gasket.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

In the embodiment, as shown in Figures 1-4, a connection assembly for a gas supply pipeline is provided. The utility model includes a connector 1 and a pipe body 2. The external thread of the pipe body 2 is connected with a threaded sleeve 3, the external of the threaded sleeve 3 is fixedly connected with a mounting sleeve 4, the external sliding connection of the pipe body 2 is connected with a limiting ring 5, the mounting sleeve 4 is sleeved on the outside of the limiting ring 5, and the pipe body 2 is inserted into the interior of the connector 1.

A sealing ring 15 is fixedly connected to one side of the mounting sleeve 4 close to the connector 1, a sealing groove is provided inside the connector 1, the sealing ring 15 is threadedly connected to the inside of the sealing groove, a first sealing gasket 16 is provided inside the sealing groove, a second sealing gasket 17 is provided between the mounting sleeve 4 and the limiting ring 5, one end of the first wedge block 8 away from the second wedge block 11 is against the limiting ring 5, the cross-sectional shape of the limiting ring 5 is L-shaped, and an L-shaped connecting cavity is provided inside the connector 1.

When the installation sleeve 4 rotates, the limiting ring 5 is tightened so that the limiting ring 5 is in close contact with the joint 1, thereby fixing the pipe body 2 on the joint 1, and squeezing the first sealing gasket 16 through the sealing ring 15, while the installation sleeve 4 squeezes the second sealing gasket 17, thereby ensuring the sealing.

The inside of the joint member 1 is fixedly connected with a first slide rod 6, the outside of the first slide rod 6 is slidably connected with a first slide sleeve 7, the outside of the first slide sleeve 7 is fixedly connected with a first wedge block 8, the inside of the joint member 1 is fixedly connected with a second slide rod 9, the outside of the second slide rod 9 is slidably connected with a second slide sleeve 10, the outside of the second slide sleeve 10 is fixedly connected with a second wedge block 11, the first wedge block 8 is in inclined contact with the second wedge block 11, a limiting slot 12 is provided inside the tube body 2, and the end of the second wedge block 11 away from the first wedge block 8 is inserted into the inside of the limiting slot 12.

The first wedge block 8 is squeezed by the limiting ring 5, so that the first wedge block 8 keeps squeezing the second wedge block 11, so that the second wedge block 11 remains inserted in the limiting slot 12, so that the pipe body 2 cannot move, thereby improving the stability of the connection.

A first return spring 13 is arranged on the outside of the second slide bar 9, and a second return spring 14 is arranged on the outside of the first slide bar 7. When the limiting ring 5 cancels the limiting state of the first wedge block 8, the elastic potential energy of the second return spring 14 pushes the first slide bar 6, so that the first wedge block 8 cancels the limiting state of the second wedge block 11, and the second wedge block 11 is reset by the elastic potential energy of the second return spring 14 to cancel the limiting state of the tube body 2.

Working principle:

The installation sleeve 4 is sleeved on the outside of the pipe body 2, and the limiting ring 5 is tightened when the installation sleeve 4 is rotated to make the limiting ring 5 in close contact with the joint member 1, thereby fixing the pipe body 2 on the joint member 1, and the first sealing gasket 16 is squeezed by the sealing ring 15, and the installation sleeve 4 squeezes the second sealing gasket 17, thereby achieving sealing. At the same time, the limiting ring 5 squeezes the first wedge block 8, so that the first wedge block 8 keeps squeezing the second wedge block 11, so that the second wedge block 11 keeps being inserted in the limiting slot 12, so that the pipe body 2 cannot move, thereby ensuring the stability of the connection.

It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

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 variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A connection assembly for a gas supply pipeline, comprising a joint member (1) and a pipe body (2), characterized in that: the outer thread of the pipe body (2) is connected to a threaded sleeve (3), the outer part of the threaded sleeve (3) is fixedly connected to a mounting sleeve (4), the outer part of the pipe body (2) is slidably connected to a limiting ring (5), the inner part of the joint member (1) is fixedly connected to a first sliding rod (6), the outer part of the first sliding rod (6) is slidably connected to a first sliding sleeve (7), the outer part of the first sliding sleeve (7) is fixedly connected to a first wedge block (8), the inner part of the joint member (1) is fixedly connected to a second sliding rod (9), the outer part of the second sliding rod (9) is slidably connected to a second sliding sleeve (10), and the outer part of the second sliding sleeve (10) is fixedly connected to a second wedge block (11). 2. A connection assembly for a gas supply pipeline according to claim 1, characterized in that: the first wedge block (8) is in contact with the second wedge block (11) at an inclined surface, a limit slot (12) is provided inside the tube body (2), and the end of the second wedge block (11) away from the first wedge block (8) is inserted into the inside of the limit slot (12). 3. A connection assembly for a gas supply pipeline according to claim 1, characterized in that a first return spring (13) is arranged outside the second slide rod (9), and a second return spring (14) is arranged outside the first slide rod (6). 4. A connection assembly for a gas supply pipeline according to claim 1, characterized in that a sealing ring (15) is fixedly connected to a side of the installation sleeve (4) close to the joint member (1), a sealing groove is provided inside the joint member (1), the sealing ring (15) is threadedly connected to the inside of the sealing groove, and a first sealing gasket (16) is provided inside the sealing groove. 5. A connection assembly for a gas supply pipeline according to claim 1, characterized in that: the installation sleeve (4) is sleeved on the outside of the limiting ring (5), and a second sealing gasket (17) is provided between the installation sleeve (4) and the limiting ring (5). 6. A connection assembly for a gas supply pipeline according to claim 1, characterized in that: the end of the first wedge block (8) away from the second wedge block (11) abuts against the limit ring (5), the pipe body (2) is inserted into the interior of the connector (1), the cross-sectional shape of the limit ring (5) is L-shaped, and an L-shaped connecting cavity is opened inside the connector (1).