CN216201427U

CN216201427U - Joint for repairing underground pipeline

Info

Publication number: CN216201427U
Application number: CN202122755229.4U
Authority: CN
Inventors: 杨恺
Original assignee: Hubei Sanzhong Environmental Construction Engineering Co ltd
Current assignee: Hubei Sanzhong Environmental Construction Engineering Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-04-05
Anticipated expiration: 2031-11-11

Abstract

The utility model relates to the technical field of pipeline joints, in particular to a joint for repairing underground pipelines, which comprises: the corrugated pipe is arranged between the two groups of joint rings, and the surfaces of the two groups of joint rings are provided with plug rings; the communicating piece is arranged between the inner ring openings of the two groups of joint rings; the jacking piece is arranged between the two groups of joint rings, and the outer ring surface of one group of joint rings is provided with a shielding piece; the beneficial effects are that: the utility model provides a for the underground pipe restoration add between two sets of joint rings and establish the bellows and satisfy when two sets of joint ring interval adjust, realize the sealed between two sets of joint rings, and communicating pipe between two sets of joint rings is spacing by the spacing ring, realizes the injecing to two sets of joint ring interval scope.

Description

Joint for repairing underground pipeline

Technical Field

The utility model relates to the technical field of pipeline joints, in particular to a joint for repairing an underground pipeline.

Background

The urban underground pipeline refers to pipelines and auxiliary facilities thereof for water supply, drainage, gas, heating power, electric power, communication, radio and television, industry and the like in the urban range, and is an important infrastructure and a 'lifeline' for ensuring urban operation.

In the prior art, after the welded part of an underground pipeline is corroded and damaged, a joint is usually fixed between two groups of pipelines after one part of wind is cut off from the end part of the pipeline, the traditional joint size is fixed, the requirement on the distance between the two pipelines is met, and the applicability is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a joint for repairing underground pipelines, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a sub for rehabilitation of underground pipes, the sub comprising:

the corrugated pipe is arranged between the two groups of joint rings, and the surfaces of the two groups of joint rings are provided with plug rings;

the communicating piece is arranged between the inner ring openings of the two groups of joint rings; and

the jacking piece is arranged between the two groups of joint rings, and the outer ring surface of one group of joint rings is provided with a shielding piece.

Preferably, the communicating part comprises a communicating pipe, the two ends of the communicating pipe are both sleeved with sealing rings, and a limiting part is arranged between the communicating pipe and an inner ring opening of the joint ring.

Preferably, the limiting part comprises a side groove and two limiting rings, the side groove is formed in the outer annular surface of the communicating pipe, the side groove is of an annular cylinder structure, the two limiting rings are arranged in two groups, and the two groups of limiting rings are respectively installed in inner ring openings of the two groups of joint rings.

Preferably, the jacking piece comprises a screw hole and a jacking screw rod screwed in the screw hole, and the screw hole is formed in the surface of one of the joint rings.

Preferably, the shielding element comprises a blocking piece which is of an L-shaped plate structure, the blocking piece corresponds to the screw holes one by one, and an elastic traction element is arranged between the blocking piece and the outer annular surface of the joint ring.

Preferably, the elastic traction piece comprises a guide post and a spring sleeved on the outer side of the guide post, the guide post penetrates through the blocking piece and then is fixed on the outer ring surface of the joint ring, the guide post is of a T-shaped post structure, and the spring is located between the end plate body of the guide post and the blocking piece.

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

1. the utility model provides a joint for repairing underground pipelines, which adds a corrugated pipe between two groups of joint rings to satisfy the regulation of the distance between the two groups of joint rings, realizes the sealing between the two groups of joint rings, and the communicating pipe between the two groups of joint rings is limited by the limiting ring to realize the limitation of the distance range between the two groups of joint rings;

2. the utility model provides a during the underground piping restoration connects with joining in one of them a set of joint ring's surface adds establishes the top and holds the screw rod, revolves to twist the top and hold the screw rod and support one side at another montage head ring, and the ring plug of two sets of joint ring tip inserts the underground piping that corresponds this moment, avoids two sets of joint ring interval to change, and the separation blade shelters from the tip of holding the screw rod on the top, avoids the top to hold the screw rod not hard up to drop.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is a schematic view of the two sets of joint rings of the present invention in their close proximity.

In the figure: the connecting device comprises a joint ring 1, a corrugated pipe 2, a plug ring 3, a communicating pipe 4, a sealing ring 5, a side groove 6, a limiting ring 7, a screw hole 8, a jacking screw 9, a baffle piece 10, a guide column 11 and a spring 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a joint for repairing underground pipes, comprising: the corrugated pipe joint comprises joint rings 1, wherein the joint rings 1 are provided with two groups, a corrugated pipe 2 is arranged between the two groups of joint rings 1, and plug rings 3 are arranged on the surfaces of the two groups of joint rings 1;

the communicating piece is arranged between the inner ring openings of the two groups of joint rings 1; the communicating piece comprises a communicating pipe 4, two ends of the communicating pipe 4 are respectively sleeved with a sealing ring 5, a limiting piece is arranged between the communicating pipe 4 and an inner ring opening of the joint ring 1 and comprises an edge groove 6 and two limiting rings 7, the edge groove 6 is arranged on the outer ring surface of the communicating pipe 4, the edge groove 6 is of an annular cylinder structure, the two limiting rings 7 are arranged in two groups, and the two groups of limiting rings 7 are respectively arranged in the inner ring openings of the two groups of joint rings 1;

the top is held the piece, locate between two sets of joint rings 1, the top is held the piece and is held screw rod 9 including screw 8 and spiro union in the inside top of screw 8, screw 8 sets up on one of them surface that connects a set of joint ring 1, and one of them outer anchor ring of a set of joint ring 1 is provided with shielding piece, shielding piece includes separation blade 10, separation blade 10 is "L" shaped plate column structure, separation blade 10 and screw 8 one-to-one, and be provided with elastic traction piece between separation blade 10 and the outer anchor ring that connects ring 1, elastic traction piece includes guide post 11 and the cover and establishes spring 12 in the guide post 11 outside, guide post 11 runs through separation blade 10 after-fixing on the outer anchor ring that connects ring 1, guide post 11 is "T" font column structure, spring 12 is in between guide post 11's tip plate body and separation blade 10.

The working principle is as follows: during practical use, as shown in fig. 1 and fig. 2, at this time, the distance between the two joint rings 1 is the largest, that is, the plug rings 3 on the surfaces of the joint rings 1 are inserted into the corresponding underground pipelines, and the corrugated pipe 2 is in a stretched state to plug the gap between the two joint rings 1, the communication pipe 4 is limited and communicated with the two joint rings 1 by the two sets of limiting rings 7, and the blocking piece 10 is pushed by the spring 12 to be blocked at the end of the jacking screw 9, so as to prevent the jacking screw 9 from loosening, when the joint rings 1 need to be disassembled, the blocking piece 10 is pulled first and then the blocking piece 10 is not blocked, then the jacking screw 9 is loosened, the two joint rings 1 are pushed together to the state shown in fig. 3, at this time, the communication pipe 4 is compressed, and the plug rings 3 are drawn out from the corresponding underground pipelines, and the drawing of the present scheme is used for depicting the existing underground pipelines.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a joint for underground pipe restoration which characterized in that: the underground pipe repair joint comprises:

the corrugated pipe joint comprises joint rings (1), wherein the joint rings (1) are provided with two groups, a corrugated pipe (2) is arranged between the two groups of joint rings (1), and plug rings (3) are arranged on the surfaces of the two groups of joint rings (1);

the communicating piece is arranged between the inner ring openings of the two groups of joint rings (1); and

the jacking piece is arranged between the two groups of joint rings (1), and the outer ring surface of one group of joint rings (1) is provided with a shielding piece.

2. The sub of claim 1, wherein: the communicating piece comprises a communicating pipe (4), sealing rings (5) are sleeved at two ends of the communicating pipe (4), and a limiting piece is arranged between the communicating pipe (4) and an inner ring opening of the joint ring (1).

3. The sub of claim 2, wherein: the limiting piece comprises side grooves (6) and limiting rings (7), the side grooves (6) are formed in the outer annular surface of the communicating pipe (4), the side grooves (6) are of an annular cylinder structure, the limiting rings (7) are provided with two groups, and the two groups of limiting rings (7) are respectively installed in inner ring openings of the two groups of joint rings (1).

4. The sub of claim 1, wherein: the jacking piece comprises a screw hole (8) and a jacking screw rod (9) screwed in the screw hole (8), and the screw hole (8) is formed in the surface of one group of joint rings (1).

5. The sub of claim 4, wherein: the shielding piece comprises a blocking piece (10), the blocking piece (10) is of an L-shaped plate structure, the blocking piece (10) corresponds to the screw holes (8) one by one, and an elastic traction piece is arranged between the blocking piece (10) and the outer ring surface of the joint ring (1).

6. The sub of claim 5, wherein: the elastic traction piece comprises a guide post (11) and a spring (12) sleeved on the outer side of the guide post (11), the guide post (11) penetrates through the blocking piece (10) and then is fixed on the outer ring surface of the joint ring (1), the guide post (11) is of a T-shaped cylinder structure, and the spring (12) is located between the end plate body of the guide post (11) and the blocking piece (10).