CN219588338U

CN219588338U - Gas pipeline connecting device

Info

Publication number: CN219588338U
Application number: CN202321295272.XU
Authority: CN
Inventors: 卞维防; 刘世超
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-08-25
Anticipated expiration: 2033-05-25

Abstract

The utility model discloses a gas pipeline connecting device, which comprises gas pipes, wherein a connecting structure is arranged between the gas pipes, and the connecting structure comprises: the connecting sleeve is connected between the gas pipes through the fixing parts, and the inner sealing part is arranged in the connecting sleeve. The utility model is connected between two gas pipes and divided into inner and outer sides, which can effectively avoid deformation caused by extrusion and does not need auxiliary tools such as raw material belts.

Description

Gas pipeline connecting device

Technical Field

The utility model relates to the technical field of gas processing, in particular to a gas pipeline connecting device.

Background

The fuel gas pipe is a special pipeline for conveying combustible gas, and the metal fuel gas pipe hose replaces the traditional fastening mode, so that the defects that a rubber pipe is easy to fall off, ageing and insect bite and has short service life can be overcome.

At present, various gas pipeline connecting devices exist in the market, but the gas pipeline connecting devices are inconvenient to use, are simply connected by screwing a connector, are easy to break and leak due to pipeline deformation caused by extrusion or other reasons, are particularly troublesome to replace, and are easy to leak due to the fact that the sealing performance is increased by raw materials at the connecting positions, so that improvement is needed for the problems.

Disclosure of Invention

In order to achieve the above purpose, the utility model adopts the technical scheme that the utility model provides a gas pipeline connecting device, which comprises a gas pipe, wherein a connecting structure is arranged between the gas pipes;

the connection structure includes: a connecting sleeve, a fixing part and an inner sealing part;

the connecting sleeve is connected between the gas pipes through the fixing part, and the inner sealing part is arranged in the connecting sleeve.

Still further, the fixing part includes: the device comprises a connector, a jack, a threaded rod and a fastening nut;

the gas pipe is characterized in that the connector is arranged at one end of the gas pipe, the jack is formed in the side end face of the connector, the threaded rod is arranged at two opposite end faces of the connecting sleeve and is inserted into the jack, and the fastening nut is screwed and connected onto the threaded rod.

Still further, the inner seal portion includes: the sealing device comprises a notch, a connecting block, an inner pipe, an annular groove and a sealing ring;

the groove opening is in connector side terminal surface, the connecting block sets up the adapter sleeve inner wall, the inner tube is fixed in the connecting block, the ring channel is opened the inner tube is relative both ends face, the sealing washer sets up in the ring channel.

Preferably, the insertion holes are distributed on the side end surface of the connector in a triangular shape.

Preferably, the gas pipe, the connector and the inner diameter of the inner pipe are the same in size.

Compared with the prior art, the utility model has the advantages and positive effects that the two gas pipes are connected and divided into the inner side and the outer side, so that the deformation caused by extrusion can be effectively avoided, and auxiliary tools such as raw material belts are not needed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

Fig. 1 is a schematic structural diagram of a gas pipeline connection device according to the present embodiment;

fig. 2 is a partial enlarged view of a jack portion of a gas pipe connection device provided in the present embodiment;

FIG. 3 is an enlarged view of a portion of a seal ring of a gas conduit connection device according to the present embodiment;

the figure shows: 1. a gas pipe; 2. a connection sleeve; 3. a connector; 4. a jack; 5. a threaded rod; 6. a fastening nut; 7. a groove is formed; 8. a connecting block; 9. an inner tube; 10. an annular groove; 11. and (3) sealing rings.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

As can be seen from fig. 1-3 of the specification, the gas pipeline connecting device according to the present embodiment includes a gas pipe 1, and a connecting structure is provided between the gas pipes 1;

the connection structure includes: a connecting sleeve 2, a fixing portion, and an inner sealing portion;

the connecting sleeve 2 is connected between the gas pipes 1 through the fixing part, and the inner sealing part is arranged in the connecting sleeve 2.

The fixing part includes: the connector 3, the jack 4, the threaded rod 5 and the fastening nut 6;

the connector 3 is arranged at one end of the gas pipe 1, the insertion hole 4 is formed in the side end face of the connector 3, the threaded rod 5 is arranged at two opposite end faces of the connecting sleeve 2 and is inserted into the insertion hole 4, and the fastening nut 6 is screwed and connected onto the threaded rod 5.

The inner seal portion includes: the sealing device comprises a notch 7, a connecting block 8, an inner pipe 9, an annular groove 10 and a sealing ring 11;

the notch 7 is formed in the side end face of the connector 3, the connecting block 8 is arranged on the inner wall of the connecting sleeve 2, the inner pipe 9 is fixed in the connecting block 8, the annular grooves 10 are formed in the two opposite end faces of the inner pipe 9, and the sealing rings 11 are arranged in the annular grooves 10.

As can be seen from fig. 1 to 3, the insertion holes 4 are distributed in a triangular shape on the side end surface of the connector 3.

As can be seen from the above figures 1-3, the gas pipe 1, the connector 3 and the inner pipe 9 have the same inner diameter;

it should be pointed out that, in the specific implementation process, the sealing ring 11 is placed in the annular groove 10, then the sleeve is arranged between the connectors 3, the threaded rod 5 penetrates through the insertion hole 4 and is screwed and fixed by being matched with the fastening nut 6, the inner pipe 9 is inserted in the notch 7, the sealing effect is enhanced by being matched with the sealing ring 11, the gas pipe 1 can be firmly connected, and the leakage condition can not occur.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The gas pipeline connecting device comprises gas pipes (1) and is characterized in that a connecting structure is arranged between the gas pipes (1);

the connection structure includes: a connecting sleeve (2), a fixing part and an inner sealing part;

the connecting sleeve (2) is connected between the gas pipes (1) through the fixing parts, and the inner sealing part is arranged in the connecting sleeve (2).

2. The gas pipeline connection device according to claim 1, wherein the fixing portion comprises: the connector (3), the jack (4), the threaded rod (5) and the fastening nut (6);

the gas pipe is characterized in that the connector (3) is arranged at one end of the gas pipe (1), the jack (4) is formed in the side end face of the connector (3), the threaded rod (5) is arranged at two opposite end faces of the connecting sleeve (2) and is inserted into the jack (4), and the fastening nut (6) is screwed and connected onto the threaded rod (5).

3. The gas pipeline connection device according to claim 2, wherein the inner seal portion comprises: the sealing device comprises a notch (7), a connecting block (8), an inner pipe (9), an annular groove (10) and a sealing ring (11);

the groove (7) is formed in the side end face of the connector (3), the connecting block (8) is arranged on the inner wall of the connecting sleeve (2), the inner pipe (9) is fixed in the connecting block (8), the annular groove (10) is formed in the opposite two end faces of the inner pipe (9), and the sealing ring (11) is arranged in the annular groove (10).

4. A gas pipeline connecting device according to claim 2, characterized in that the insertion holes (4) are distributed in a triangular shape on the side end face of the connector (3).

5. A gas pipe connection according to claim 3, characterized in that the gas pipe (1), the connector (3) and the inner pipe (9) have the same inner diameter dimensions.