CN219888960U

CN219888960U - Gas pipeline connecting device

Info

Publication number: CN219888960U
Application number: CN202321721560.7U
Authority: CN
Inventors: 张亚松
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2023-10-24
Anticipated expiration: 2033-07-03

Abstract

The utility model relates to the technical field of gas pipeline connection, in particular to a gas pipeline connection device, which comprises a first gas pipeline and a second gas pipeline, wherein a sleeve is fixedly connected to the right side of the outer part of the first gas pipeline, a first flange is fixedly connected to the outer part of the sleeve, the left end of the second gas pipeline is inserted into the sleeve, a sealing assembly is connected between the first gas pipeline and the second gas pipeline, a second flange is fixedly connected to the left side of the outer part of the second gas pipeline, the second flange is fixedly connected with the first flange through a bolt, the right side of the inner part of the sleeve is in a conical structure, a fixed ring and a conical sealing sleeve are slidably arranged on the outer part of the second gas pipeline, the right end of the conical sealing sleeve is fixedly connected with the left end of the fixed ring, and a plurality of screws are connected to the second flange through threads; the precision of processing is reduced, and the efficiency of processing is improved.

Description

Gas pipeline connecting device

Technical Field

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

Background

As is well known, the gas pipeline connection mode should meet the specification of design files, and generally has two modes of welding and threaded connection. When the design is random, the gas pipeline with the pipe diameter smaller than or equal to DN50 is connected by screw threads, and the gas pipeline with the pipe diameter larger than DN50 or the gas pipeline with the pressure exceeding 10Kpa is connected by welding; the copper pipes are connected by brazing; the medium pressure valve is typically flanged.

Through retrieving, chinese patent No. CN 202021674262.3's utility model patent discloses a gas pipeline connecting device, it includes first flange and second flange, one side that first flange and second flange are close to each other is fixed mounting respectively has first communication pipeline and second communication pipeline, and first flange and second flange fixed mounting, the sealed fixed block of one side that first communication pipeline and second communication pipeline are close to each other is equipped with same sealing block, and the sealing hole has been seted up to one side of sealing block, when carrying out gas pipeline's connection, at first with two gas pipeline's link respectively with first flange and second flange carry out fixed connection, first communication pipeline and second communication pipeline are fixed mounting respectively in one side that first flange and second flange are close to each other, in utilizing collar and circular slot to seal the first flange with second flange and block together, the outside of two gas pipelines runs through two sealing members and two mounting holes respectively, the sealing performance when can promote gas pipeline connection, guarantee that gas pipeline is the transmission of leakage, the utilization ratio of gas, two sealing pipes and two sealing blocks are located the sealing block and two sealing gasket and two sealing rings are tight inside the sealing groove when the sealing gasket is required to be welded to the inside at this moment, the sealing collar is tight, the sealing collar is required to be welded to the inside the sealing collar when two sealing collar and the sealing collar is produced, the inside the sealing collar is required to be tight to the sealing collar.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a gas pipeline connecting device to solve the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the gas pipeline connecting device comprises a first gas pipeline and a second gas pipeline, wherein a sleeve is fixedly connected to the right side of the outer part of the first gas pipeline, a first flange is fixedly connected to the outer part of the sleeve, the left end of the second gas pipeline is inserted into the sleeve, and a sealing assembly is connected between the first gas pipeline and the second gas pipeline;

the left side of the outer part of the second gas pipeline is fixedly connected with a second flange, and the second flange is fixedly connected with the first flange through bolts;

the inside right side of sheathed tube sets up to the toper structure, the outside slip of second gas pipeline is provided with solid fixed ring and toper seal cover, and the right-hand member of toper seal cover is fixed connection with solid fixed ring's left end, and threaded connection has a plurality of screw rods on the second flange.

Preferably, the right ends of the plurality of screw rods are fixedly connected with rotating handles.

Further, seal assembly includes first sealing ring, and the left end and the right-hand member of first sealing ring are all fixedly connected with second sealing ring, and the cross-section of the side of second sealing ring sets up to trapezium structure.

Still further, the left end and the right end of first gas pipeline and second gas pipeline all are provided with trapezoidal annular.

Further, the sleeve is in sealing and welding connection with the first gas pipeline.

(III) beneficial effects

Compared with the prior art, the utility model provides a gas pipeline connecting device, which comprises the following components

The beneficial effects are that:

this gas pipeline connecting device makes first gas pipeline and second gas pipeline support tightly to seal assembly through the screw bolt, through clockwise rotation a plurality of screws, a plurality of screws move to the left side relative to the second flange, a plurality of screws promote solid fixed ring and toper seal to sheathed tube inside removal, the toper structure and the toper seal cover on the inside right side of sleeve pipe extrudees each other, thereby make toper seal cover chucking between sleeve pipe and second gas pipeline, improve the leakproofness of being connected between first gas pipeline and the second gas pipeline, because the position of solid fixed ring and toper seal cover can be adjusted, therefore the requirement to the position of sleeve pipe fixed on first gas pipeline and the position of second flange fixed on second gas pipeline is relatively lower, as long as just can process in suitable scope, reduce the precision of processing, the efficiency of its processing has been improved.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic diagram of a front view of the present utility model;

FIG. 3 is a schematic side view of a seal assembly of the present utility model.

In the figure: 1. a first gas conduit; 2. a second gas conduit; 3. a sleeve; 4. a first flange; 5. a second flange; 6. a bolt; 7. a fixing ring; 8. a conical sealing sleeve; 9. a screw; 10. a rotating handle; 11. a first seal ring; 12. and a second seal ring.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to FIGS. 1-3, a gas pipeline connecting device comprises a first gas pipeline 1 and a second gas pipeline 2, wherein a sleeve 3 is fixedly connected to the right side of the outer part of the first gas pipeline 1, the sleeve 3 is in sealing welding connection with the first gas pipeline 1, a first flange 4 is fixedly connected to the outer part of the sleeve 3, the first flange 4 is in welding connection with the sleeve 3, the left end of the second gas pipeline 2 is inserted into the sleeve 3, a sealing assembly is connected between the first gas pipeline 1 and the second gas pipeline 2, the tightness of the connection between the first gas pipeline 1 and the second gas pipeline 2 is improved through the sealing assembly, a second flange 5 is fixedly connected to the left side of the outer part of the second gas pipeline 2, the second flange 5 is in welding connection with the second gas pipeline 2, the second flange 5 is fixedly connected with the first flange 4 through a bolt 6, the right side of the inner part of the sleeve 3 is in a conical structure, the outside of the second gas pipeline 2 is provided with a fixed ring 7 and a conical sealing sleeve 8 in a sliding way, the right end of the conical sealing sleeve 8 is fixedly connected with the left end of the fixed ring 7, a plurality of screw rods 9 are connected to the second flange 5 in a threaded way, the first gas pipeline 1 and the second gas pipeline 2 are abutted against the sealing assembly through the screw bolts 6, the screw rods 9 are rotated clockwise to move the screw rods 9 leftwards relative to the second flange 5, the screw rods 9 push the fixed ring 7 and the conical sealing sleeve 3 to move inwards, the conical structure on the right side inside the sleeve 3 is mutually extruded with the conical sealing sleeve 8, so that the conical sealing sleeve 8 is clamped between the sleeve 3 and the second gas pipeline 2, the tightness of the connection between the first gas pipeline 1 and the second gas pipeline 2 is improved, and the positions of the fixed ring 7 and the conical sealing sleeve 8 can be adjusted, therefore, the requirements on the position of the sleeve 3 fixed on the first gas pipeline 1 and the position of the second flange 5 fixed on the second gas pipeline 2 are relatively low, and the processing can be performed only in a proper range, so that the processing accuracy is reduced, and the processing efficiency is improved.

Referring to fig. 1 and 2, the right ends of the plurality of screws 9 are fixedly connected with a rotating handle 10, and the screws 9 can be rotated conveniently by the rotating handle 10.

Referring to fig. 1 and 3, the sealing assembly includes a first sealing ring 11, the left end and the right end of the first sealing ring 11 are fixedly connected with a second sealing ring 12, the cross section of the side end of the second sealing ring 12 is set to be a trapezoid structure, trapezoid ring grooves are formed in the left end and the right end of the first gas pipeline 1 and the left end of the second gas pipeline 2, and when the bolt 6 is screwed tightly, the second sealing ring 12 is clamped in the trapezoid ring grooves, so that the tightness of connection between the first gas pipeline 1 and the second gas pipeline 2 can be improved.

To sum up, this gas pipeline connecting device, when using, insert the inside to sleeve pipe 3 with second gas pipeline 2, then screw up bolt 6, the in-process of screw up bolt 6, first gas pipeline 1 and second gas pipeline 2 are to the centre removal, in-process two second sealing rings 12 insert respectively to the inside of the trapezoidal annular on first gas pipeline 1 and second gas pipeline 2, simultaneously extrude two second sealing rings 12 and first sealing ring 11, improve the leakproofness of connection between first gas pipeline 1 and the second gas pipeline 2 through first sealing ring 11 and second sealing ring 12, then make first gas pipeline 1 and second gas pipeline 2 support tight to seal the subassembly through screw up bolt 6, through clockwise rotation a plurality of screw rods 9, a plurality of screw rods 9 promote solid fixed ring 7 and toper seal to the inside of sleeve pipe 3 and remove to the left side, through the toper structure and toper seal 8 mutual extrusion on the inside right side of sleeve pipe 3, thereby make toper seal 8 chucking in sleeve pipe 3 and second gas pipeline 2, then make first gas pipeline 1 and second gas pipeline 2 carry out tight connection through screw up, because of 1 and second gas pipeline 2 are sealed, the pipeline 1 is connected.

In the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly, and may be fixedly attached, detachably attached, or integrated, for example; the connection may be mechanical connection, direct connection or indirect connection through an intermediate medium, and may be internal connection of two elements or interaction relationship of two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Claims

1. Gas pipeline connecting device, including first gas pipeline (1) and second gas pipeline (2), its characterized in that: the right side of the outside of the first gas pipeline (1) is fixedly connected with a sleeve (3), the outside of the sleeve (3) is fixedly connected with a first flange (4), the left end of the second gas pipeline (2) is inserted into the sleeve (3), and a sealing assembly is connected between the first gas pipeline (1) and the second gas pipeline (2);

the left side of the outside of the second gas pipeline (2) is fixedly connected with a second flange (5), and the second flange (5) is fixedly connected with the first flange (4) through a bolt (6);

the inside right side of sleeve pipe (3) sets up to the toper structure, the outside slip of second gas pipeline (2) is provided with solid fixed ring (7) and toper seal cover (8), and the right-hand member of toper seal cover (8) is fixed connection with the left end of solid fixed ring (7), and threaded connection has a plurality of screw rods (9) on second flange (5).

2. A gas pipeline connection device according to claim 1, wherein: the right ends of the plurality of screw rods (9) are fixedly connected with rotating handles (10).

3. A gas pipeline connection device according to claim 2, wherein: the sealing assembly comprises a first sealing ring (11), wherein the left end and the right end of the first sealing ring (11) are fixedly connected with a second sealing ring (12), and the section of the side end of the second sealing ring (12) is of a trapezoid structure.

4. A gas pipeline connection device according to claim 3, wherein: the left end and the right end of the first gas pipeline (1) and the second gas pipeline (2) are respectively provided with a trapezoid ring groove.

5. A gas pipeline connection device as claimed in claim 4, wherein: the sleeve (3) is in sealing welding connection with the first gas pipeline (1).