CN220228194U

CN220228194U - Gas drainage pipe with stable connection

Info

Publication number: CN220228194U
Application number: CN202321999540.6U
Authority: CN
Inventors: 李子云; 李云; 张庆涛
Original assignee: Zibo Rongqian Plastic Products Co ltd
Current assignee: Zibo Rongqian Plastic Products Co ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2023-12-22
Anticipated expiration: 2033-07-26

Abstract

The utility model discloses a gas drainage pipe with stable connection, which relates to the technical field of gas drainage pipes. The connecting part of the two pipelines is connected through the connecting pipe in a transitional and threaded mode, the connecting strength of the pipe body is enhanced, the installation stability is guaranteed, the sealing ring and the sealing groove are matched to be abutted tightly, the connection tightness of the adjacent pipe bodies is improved, and the risk of gas leakage is avoided.

Description

Gas drainage pipe with stable connection

Technical Field

The utility model relates to the technical field of gas drainage pipes, in particular to a gas drainage pipe with stable connection.

Background

The gas drainage pipe is a pipeline which is installed in the drill hole underground in the coal mine and used for carrying out gas drainage. The gas drainage pipe is limited by the width of the underground roadway and the installation conditions during installation, so that the gas drainage pipe is usually in the form of a short section, and the gas drainage pipe needs to be placed into holes one by one and connected during installation. The gas drainage pipe that uses often adopts the form of terminal surface flange to connect, because the protruding gas drainage pipe of flange head after the installation is accomplished, needs to occupy too much external space, when working space limited, leads to the drainage pipe to be difficult to pack into in the drilling, causes workman intensity of labour higher, operating efficiency low.

Aiming at the problems, the utility model of the authorization bulletin No. CN211821136U discloses a gas drainage pipe capable of being connected quickly, and the device changes the original flange connection form into the connection form of quick insertion of a connection nipple, so that the installation is more convenient, the external space is not occupied, the resistance of plugging the gas drainage pipe into a drill hole is reduced, and the field operation efficiency is improved. But this gas drainage pipe only relies on the connection nipple joint to insert the connection, and rethread fastener fastening cooperation, junction intensity is weaker, and the gas drainage pipe leads to junction fracture or dislocation easily after long-time use, and the junction leakproofness of this gas drainage pipe is relatively poor in addition, produces the gas leakage phenomenon easily.

Disclosure of Invention

The utility model aims to provide a gas drainage pipe with stable connection so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a connect stable gas drainage tubular product, includes tubular product body and coupling assembling thereof, the tubular product body includes the pipeline, and the outer wall both ends of pipeline all are equipped with the ring channel, and coupling assembling includes the connecting pipe, and the fixed protruding baffle ring that is equipped with in inner peripheral wall intermediate position of connecting pipe, protruding baffle ring and connecting pipe coaxial line set up, and the outer wall both ends of connecting pipe all are equipped with a plurality of countersinks, and connecting pipe and pipeline cooperate through fastening screw butt ring channel to be connected, and coupling assembling left and right sides all is equipped with the transition platform.

As a further scheme of the utility model: sealing rings are fixedly arranged on the end faces of two sides of the pipeline, sealing grooves are formed in two side faces of the convex baffle ring, and the size of the sealing grooves is matched with that of the sealing rings.

As still further aspects of the utility model: the inner diameter of the connecting pipe is equal to the outer diameter of the pipeline, and the inner diameter of the convex baffle ring is equal to the inner diameter of the pipeline.

As still further aspects of the utility model: the side surface of the transition table is fixedly connected with the side surface of the connecting pipe, and the outer surface of the transition table is provided with an arc surface.

As still further aspects of the utility model: external threads are arranged on the outer walls of the two ends of the pipeline, internal threads matched with the external threads are arranged on the corresponding positions of the inner walls of the connecting pipes, and the pipeline is in threaded connection with the connecting pipes.

Compared with the prior art, the utility model has the following beneficial effects:

1. the connecting part of the two pipelines is transited and fixed through the connecting pipe, so that the connecting strength of the pipe body is enhanced, the mounting stability can be ensured, the fastening screw does not protrude out of the end surface of the connecting component due to the arrangement of the countersunk holes, the hidden mounting of the screw is realized, the occupation of external space is avoided, the external part of the connected gas drainage pipe can still be kept basically flat, and excessive blocking mechanisms are not additionally added;

2. the sealing ring is tightly abutted with the sealing groove in a matched manner, so that a secondary sealing effect can be provided for the pipeline under the condition that the port of the pipeline is in contact with the convex baffle ring for sealing, the connection tightness of adjacent pipe bodies is improved, and the risk of gas leakage is avoided;

3. the outer wall of the connecting pipe is smoothly transited to the outer wall of the pipeline through the transition table, so that the resistance of plugging the connected gas drainage pipe into the drill hole is further reduced;

4. the pipeline and the connecting pipe can be connected in a threaded mode through the external threads and the internal threads, the fastening screw is abutted against the annular groove, the connection strength of the pipe body can be further enhanced, and the connection is more stable and safer.

Drawings

Fig. 1 is an external perspective view of embodiment 1 of the present utility model.

Fig. 2 is a schematic cross-sectional front view of embodiment 1 of the present utility model.

Fig. 3 is a schematic perspective view of a pipe body in embodiment 1 of the present utility model.

Fig. 4 is a schematic perspective view of a connecting assembly in embodiment 1 of the present utility model.

Fig. 5 is an external perspective view of embodiment 2 of the present utility model.

Fig. 6 is a schematic cross-sectional elevation view of embodiment 2 of the present utility model.

Fig. 7 is a schematic perspective view of a pipe body in embodiment 2 of the present utility model.

Fig. 8 is a schematic perspective view of a connecting assembly in embodiment 2 of the present utility model.

In the figure: 1. a pipe body; 11. a pipe; 12. a seal ring; 13. a threaded hole; 2. a connection assembly; 21. a connecting pipe; 22. a convex baffle ring; 23. sealing grooves; 24. a countersunk hole; 3. a fastening screw; 4. a transition stage; 5. an external thread; 6. an internal thread; 7. an annular groove.

Detailed Description

The present utility model will be described in detail below with reference to the drawings, in which like or identical parts are given the same reference numerals, and in which the shape, thickness or height of each component may be enlarged or reduced in practical use. The examples set forth herein are intended to be illustrative of the utility model and are not intended to limit the scope of the utility model. Any obvious modifications or alterations to the utility model, as would be apparent, are made without departing from the spirit and scope of the present utility model.

Example 1

Referring to fig. 1 to 4, in the embodiment of the utility model, a gas drainage pipe with stable connection comprises a pipe body 1 and a connecting assembly 2 thereof, wherein the pipe body 1 comprises a pipe 11, sealing rings 12 are fixedly arranged on two side end surfaces of the pipe 11, and a plurality of threaded holes 13 with blind hole structures are arranged at two ends of the outer wall of the pipe 11.

The connecting assembly 2 comprises a connecting pipe 21, wherein a convex baffle ring 22 is fixedly arranged in the middle of the inner peripheral wall of the connecting pipe 21, and the convex baffle ring 22 and the connecting pipe 21 are coaxially arranged. The two sides of the convex baffle ring 22 are respectively provided with a sealing groove 23, and the dimension of the sealing groove 23 is matched with the sealing ring 12. The two ends of the outer wall of the connecting pipe 21 are respectively provided with a plurality of countersunk holes 24, and the positions and the number of the countersunk holes 24 at each end correspond to the threaded holes 13 of the outer wall of the pipeline 11. The inner diameter of the connection pipe 21 is equal to the outer diameter of the pipe 11, and the inner diameter of the boss ring 22 is equal to the inner diameter of the pipe 11. The connecting pipe 21 and the pipeline 11 are connected in a fastening fit manner through the fastening screw 3.

When the pipe body 1 is connected, one end of the connecting pipe 21 of the connecting assembly 2 is sleeved at one end of the pipe 11 of the pipe body 1, the end face of the pipe 11 penetrates through the connecting pipe 21 and the sealing ring 12 is embedded into the sealing groove 23 on the side face of the convex baffle ring 22, then the fastening screw 3 penetrates through the countersunk hole 24 at one end of the connecting pipe 21 and is screwed into the threaded hole 13 corresponding to the pipe 11, the connecting pipe 21 is initially fixedly connected with the pipe 11, then the pipe 11 of the other pipe body 1 penetrates through the other end of the connecting pipe 21, the sealing ring 12 of the pipe 11 is embedded into the sealing groove 23 on the other side face of the convex baffle ring 22, and the fastening screw 3 penetrates through the countersunk hole 24 at the other end of the connecting pipe 21 and is screwed into the threaded hole 13 corresponding to the pipe 11, so that the connecting pipe 21 and the pipes 11 at two ends are fixed. The connecting part of the two pipelines 11 is transited and fixed through the connecting pipe 21, so that the connecting strength of the pipe body 1 is enhanced, the mounting stability can be ensured, the fastening screw 3 does not protrude out of the end face of the connecting component 2 due to the arrangement of the countersunk holes 24, the hidden mounting of the screw is realized, the occupation of the external space is avoided, the outside of the connected gas drainage pipe can still be kept basically flat, and excessive blocking mechanisms are not additionally added. Through the cooperation of sealing washer 12 and seal groove 23 support tightly, can provide the secondary seal effect for pipeline 11 under the sealed condition of pipeline 11 port contact protruding fender ring 22, improved the connection leakproofness of adjacent tubular product body 1, avoid producing the risk of gas leakage.

Example 2

Referring to fig. 5 to 8, on the basis of embodiment 1, the left and right sides of the connection assembly 2 are respectively provided with a transition table 4, the side surfaces of the transition tables 4 are fixedly connected with the side surfaces of the connection pipe 21, the outer surfaces of the transition tables 4 are cambered surfaces, the outer wall of the connection pipe 21 is smoothly transited to the outer wall of the pipeline 11 through the transition tables 4, and the resistance of plugging the connected gas drainage pipe into a borehole is further reduced. External threads 5 are arranged on the outer walls of the two ends of the pipeline 11, internal threads 6 matched with the external threads 5 are arranged at corresponding positions of the inner wall of the connecting pipe 21, and annular grooves 7 are formed in the positions of the threaded holes 13. The pipeline 11 and the connecting pipe 21 can be connected in a threaded manner through the external threads 5 and the internal threads 6, the fastening screw 3 is abutted against the annular groove 7, the connection strength of the pipe body 1 can be further enhanced, and the connection is more stable and safer.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims shall not be construed as limiting the claims to the technical field of gas drainage tubing involved.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a gas drainage tubular product of connection stability, includes tubular product body (1) and coupling assembling (2) thereof, a serial communication port, tubular product body (1) includes pipeline (11), and the outer wall both ends of pipeline (11) all are equipped with ring channel (7), coupling assembling (2) are including connecting pipe (21), the fixed protruding baffle ring (22) that are equipped with in inner peripheral wall intermediate position of connecting pipe (21), protruding baffle ring (22) set up with connecting pipe (21) coaxial line, the outer wall both ends of connecting pipe (21) all are equipped with a plurality of counter bores (24), connecting pipe (21) and pipeline (11) carry out the cooperation through fastening screw (3) butt ring channel (7) and are connected, coupling assembling (2) left and right sides all are equipped with transition platform (4).

2. The gas drainage pipe with stable connection according to claim 1, wherein sealing rings (12) are fixedly arranged on two side end surfaces of the pipeline (11), sealing grooves (23) are arranged on two side surfaces of the convex baffle ring (22), and the size of the sealing grooves (23) is matched with that of the sealing rings (12).

3. The connection-stable gas drainage pipe according to claim 2, characterized in that the inner diameter of the connection pipe (21) is identical to the outer diameter of the pipe (11), and the inner diameter of the protruding stop ring (22) is identical to the inner diameter of the pipe (11).

4. The gas drainage pipe with stable connection according to claim 3, wherein the side surface of the transition table (4) is fixedly connected with the side surface of the connecting pipe (21), and the outer surface of the transition table (4) is provided with an arc surface.

5. The gas drainage pipe with stable connection according to any one of claims 1 to 4, wherein external threads (5) are arranged on the outer walls of two ends of the pipe (11), internal threads (6) matched with the external threads (5) are arranged on corresponding positions of the inner wall of the connecting pipe (21), and the pipe (11) is in threaded connection with the connecting pipe (21).