CN218670988U

CN218670988U - Flaring joint for pipeline repair

Info

Publication number: CN218670988U
Application number: CN202222318319.1U
Authority: CN
Inventors: 王金马; 王东晖
Original assignee: Junhai Pipe Industry Shandong Co ltd
Current assignee: Junhai Pipe Industry Shandong Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2023-03-21
Anticipated expiration: 2032-09-01

Abstract

The utility model discloses a flaring connects for pipeline restoration, including original pipeline and interior bushing pipe, interior bushing pipe one end sets up to the horn mouth structure, and is formed with a plurality of extension pieces on the horn mouth, the interior bushing pipe outside is provided with seal bush and is close to the extension piece setting, the interior bushing pipe other end sets up in original pipeline, interior bushing pipe is kept away from original pipeline one side and is provided with the core, the core passes through bolt and seal bush fixed connection, compares prior art, the utility model discloses simple structure has the interior bushing pipe of horn mouth structure and has the seal bush and the core of the conical surface to seal up through increasing, has improved the holistic leakproofness of junction, simultaneously, the axis of still core and the axis of original pipeline are on same axis.

Description

Flaring joint for pipeline repair

Technical Field

The utility model relates to a connect technical field, concretely relates to be used for prosthetic flaring of pipeline to connect.

Background

Because the material factor of pipeline leads to the pipeline when needs are restoreed or are prolonged, required joint leakproofness requires highly, and prior art prolongs through threaded connection structure, perhaps prolongs through glue and sleeve pipe concatenation pipeline, and these two kinds of extension modes all leak water easily or leak gas.

Disclosure of Invention

For solving prior art's not enough, the utility model aims to provide a sealing performance is good is used for prosthetic flaring of pipeline to connect.

In order to achieve the above object, the utility model adopts the following technical scheme:

the flaring joint for repairing the pipeline comprises an original pipeline and an inner lining pipe, wherein one end of the inner lining pipe is arranged to be of a bell-mouth structure, a plurality of extension pieces are formed on a bell mouth, a sealing bush is arranged on the outer side of the inner lining pipe and is close to the extension pieces, the other end of the inner lining pipe is arranged in the original pipeline, a core is arranged on one side, away from the original pipeline, of the inner lining pipe, and the core is fixedly connected with the sealing bush through a bolt.

As a further preference of the present invention, the inner wall of the seal bush is in contact with the outer wall of the bell mouth of the inner liner pipe, and the core is in contact with the outer wall of one end of the seal bush and the inner wall of the bell mouth of the inner liner pipe.

As a further preferred aspect of the present invention, the seal bush is connected to the original contact portion by fusion welding.

As a further preference of the utility model, the bellying that forms in the middle of the sealed bush includes platform portion and platform portion, it is excessive through the inclined plane between platform portion and the bellying, the platform portion outer lane is provided with a plurality of screw holes, be provided with first portion and the second portion of running through in the middle of the sealed bush, first portion of running through sets up to the cylinder structure, the second portion of running through sets up to the round platform structure, and is provided with a plurality of ring channels on the inner wall of second portion of running through.

As a further preferred aspect of the present invention, the core is provided with a plurality of through holes on the flange ring, and the through holes correspond to the threaded holes, and the inner diameter of the core is the same as the inner diameter of the original pipeline.

As a further preference of the present invention, the tapered structure of the core cooperates with the inner wall of the sealing bush.

As a further preferred aspect of the present invention, a sealing strip is provided in the annular groove, and the sealing strip is provided to increase the sealing performance of the whole.

The utility model discloses an useful part lies in: the utility model discloses simple structure has the interior bushing pipe of horn mouth structure and has the sealed bush and the core of the conical surface to seal up the fastening through the increase, has improved the holistic leakproofness of junction, and simultaneously, the axis of still core and the axis of former pipeline are on same axis.

Drawings

Fig. 1 is a schematic view of the connection structure of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2;

FIG. 4 is a schematic view of the construction of the seal cartridge;

FIG. 5 is a front view of the seal bushing;

FIG. 6 is a cross-sectional view C-C of FIG. 5;

FIG. 7 is a schematic view of the construction of the core;

FIG. 8 is a front view of the core;

FIG. 9 is a cross-sectional view B-B of FIG. 8;

FIG. 10 is a schematic view of the structure of the liner tube.

The meaning of the reference symbols in the figures: 1. original pipe, 2, lining pipe, 3, sealing bush, 4, core.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The first embodiment is as follows:

with reference to fig. 1-3: the flaring joint for repairing the pipeline comprises an original pipeline 1 and an inner lining pipe 2, wherein one end of the inner lining pipe 2 is arranged to be of a horn mouth structure, a plurality of extension pieces are formed on the horn mouth, a sealing bush 3 is arranged on the outer side of the inner lining pipe 2 and is close to the extension pieces, the other end of the inner lining pipe 2 is arranged in the original pipeline 1, a core 4 is arranged on one side, far away from the original pipeline 1, of the inner lining pipe 2, and the core 4 is fixedly connected with the sealing bush 3 through a bolt.

The inner wall of the sealing bush 3 is contacted with the outer wall of the bell mouth of the lining pipe 2, and the outer wall of one end of the core 4, which is close to the sealing bush 3, is contacted with the inner wall of the bell mouth of the lining pipe 2.

The contact part of the sealing bush 3 and the original path is connected through penetration welding.

Example two:

with reference to fig. 4-6, the sealing bush 3 includes the middle bellying that forms of platform portion and platform portion, transition through the inclined plane between platform portion and the bellying, the platform portion outer lane is provided with a plurality of screw holes, be provided with first portion and the second portion of running through in the middle of the sealing bush 3, first portion of running through sets up to the cylinder structure, the second portion of running through sets up to the round platform structure, and is provided with a plurality of ring channels on the inner wall of second portion of running through.

And sealing strips are arranged in the annular grooves, so that the overall sealing performance is improved by arranging the sealing strips.

Installing a sealing ring in an annular groove of a sealing bush 3, sleeving the sealing bush 3 outside the lining pipe 2, enabling the inner wall of the sealing bush 3 to be in contact with the outer wall of the bell-mouthed end of the lining pipe 2, bending an extension piece to be perpendicular to the other end of the lining pipe 2, placing the other end of the lining pipe 2 into the original pipeline 1, and enabling the original pipeline 1 to be in contact with the sealing bush 3.

Example three:

referring to fig. 7-9, one end of the core 4 is a tapered structure, a flange ring is formed at the end of the tapered structure, a plurality of through holes are formed in the flange ring, the through holes correspond to the threaded holes, and the inner diameter of the core 4 is the same as the inner diameter of the original pipeline 1.

The conical configuration of the core 4 cooperates with the inner wall of the sealing bush 3.

And (3) approaching the core 4 with a conical structure to the lining pipe 2, then connecting and fixing the core 4 and the sealing bush 3 through bolts, and then welding and fixing the original pipeline 1 and the sealing bush 3 through penetration welding to finish extension or repair.

The utility model discloses an useful part lies in: the utility model discloses simple structure has the interior bushing pipe 2 of horn mouth structure and has the sealed fastening of 3 and the core 4 of the sealing bush of conical surface through the increase, has improved the holistic leakproofness of junction, and simultaneously, the axis of still core 4 and the axis of former pipeline are on same axis.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims

1. The flaring joint for pipeline repair comprises an original pipeline and a lining pipe, and is characterized in that one end of the lining pipe is of a bell mouth structure, a plurality of extension pieces are formed on the bell mouth, a sealing bush is arranged on the outer side of the lining pipe and is close to the extension pieces, the other end of the lining pipe is arranged in the original pipeline, a core is arranged on one side, away from the original pipeline, of the lining pipe, and the core is fixedly connected with the sealing bush through a bolt.

2. The flare fitting of claim 1 wherein the inner wall of the seal bushing is in contact with the outer wall of the flare of the inner liner tube and the outer wall of the core near the end of the seal bushing is in contact with the inner wall of the flare of the inner liner tube.

3. The flare fitting of claim 1 wherein the seal bushing is joined to the original parent conduit at the point of contact by a penetration weld.

4. The flaring joint for repairing the pipeline according to claim 1, wherein the sealing bushing comprises a platform part and a boss part formed in the middle of the platform part, the platform part and the boss part are in transition through an inclined plane, a plurality of threaded holes are formed in the outer ring of the platform part, a first penetrating part and a second penetrating part are arranged in the middle of the sealing bushing, the first penetrating part is arranged to be of a cylindrical structure, the second penetrating part is arranged to be of a circular truncated cone structure, and a plurality of annular grooves are formed in the inner wall of the second penetrating part.

5. The flared fitting for pipe repair of claim 4, wherein one end of the core is provided with a tapered structure, and a flange ring is formed at the end of the tapered structure, and the flange ring is provided with a plurality of through holes corresponding to the threaded holes.

6. The flare fitting of claim 5 wherein the tapered configuration of the core mates with an inner wall of the seal bushing.

7. The flare fitting of claim 4 wherein a sealing strip is disposed within the annular groove.