CN218972144U

CN218972144U - Low-temperature self-compensating corrugated pipe

Info

Publication number: CN218972144U
Application number: CN202223566750.4U
Authority: CN
Inventors: 宋永俊
Original assignee: Zhucheng Yongbang Pipe Co ltd
Current assignee: Zhucheng Yongbang Pipe Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-05-05
Anticipated expiration: 2032-12-23

Abstract

The utility model relates to the technical field of self-repairing corrugated pipes, in particular to a low-temperature self-repairing corrugated pipe, which improves the convenience of automatic repairing of cracks of an outer layer pipe body and an inner layer pipe body and reduces the overall replacement cost of the corrugated pipe; the inner-layer pipe body is arranged inside the outer-layer pipe body, and a cavity is formed between the outer side wall of the inner-layer pipe body and the inner side wall of the outer-layer pipe body; the connecting mechanism is arranged at the left end and the right end of the outer layer pipe body and the inner layer pipe body respectively, and is used for communicating the outer layer pipe body and the inner layer pipe body with an external pipeline.

Description

Low-temperature self-compensating corrugated pipe

Technical Field

The utility model relates to the technical field of self-compensating corrugated pipes, in particular to a low-temperature self-compensating corrugated pipe.

Background

The bellows is widely used in instruments and meters, and is mainly used as a measuring element of a pressure measuring instrument, pressure is converted into displacement or force, shrinkage deformation is easy to occur when the bellows is used in a low-temperature environment, materials of the bellows are relatively fragile and easy to break, currently, in the prior art CN201821556439.2, the bellows comprises a tube body, the tube body comprises an inner wall layer and an outer wall layer which are integrally formed, a plurality of annular strips are uniformly distributed on the outer wall layer, a cavity is formed between the inner wall layer and the outer wall layer, and elastic filler is arranged in the cavity, but the bellows is inconvenient to automatically repair under the condition that a tube wall breaks, so that the use reliability is reduced, and the bellows is convenient to automatically repair due to breakage.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the low-temperature self-repairing corrugated pipe which improves the convenience of automatic repairing of cracks of an outer layer pipe body and an inner layer pipe body and reduces the cost of integral replacement of the corrugated pipe.

The utility model relates to a low-temperature self-repairing corrugated pipe, which comprises an outer pipe body, a plurality of groups of protection rings and an inner pipe body, wherein the plurality of groups of protection rings are respectively sleeved on the outer side wall of the outer pipe body; the connecting mechanism is respectively arranged at the left end and the right end of the outer layer pipe body and the inner layer pipe body, and is used for communicating the outer layer pipe body and the inner layer pipe body with an external pipeline; the left end and the right end of the outer layer pipe body are communicated with an external pipeline through a connecting mechanism, liquid flows through the inner layer pipe body in a conveying manner, when the inner layer pipe body is broken, the broken part of the inner layer pipe body is sealed through the leakage-repairing paste between the multiple groups of interlayer layers, so that the liquid in the inner layer pipe body is prevented from leaking outwards, when the liquid in the inner layer pipe body is emptied, the leakage-repairing paste at the crack part is dried and solidified through the air contact with the air in the inner layer pipe body, so that the crack of the inner layer pipe body is automatically repaired, when the outer layer pipe body is broken, the leakage-repairing paste at the crack part of the outer layer pipe body is dried through the contact with the external air, and the cost of integral replacement of the corrugated pipe is reduced.

Preferably, the connecting mechanism comprises two groups of sealing rings, two groups of connecting hard pipes and two groups of grooves, the two groups of sealing rings are respectively arranged at the left end and the right end of the outer pipe body and the left end of the inner pipe body, the two groups of sealing rings are respectively sealed at the two ends of a cavity between the outer pipe body and the inner pipe body, the two groups of connecting hard pipes are respectively connected with the outer side walls of the two groups of sealing rings, and the two groups of grooves are respectively arranged on the outer side walls of the two groups of connecting hard pipes; through setting up two sets of sealing rings, improve the sealed convenience at both ends about outer layer body and inlayer body, through connecting hard tube and recess cooperation to the outside pipeline suit of being convenient for is on connecting hard tube lateral wall, improves the convenience of inlayer body and outside pipeline intercommunication.

Preferably, the stainless steel pipe connecting device also comprises two groups of stainless steel rings, wherein the two groups of stainless steel rings are respectively sleeved on the inner side walls of the two groups of connecting hard pipes; through setting up two sets of stainless steel rings, reduce two sets of hard tube of connecting and receive the extrusion deformation's the condition, improve the leakproofness that outside pipeline and two sets of hard tube of connecting are connected.

Preferably, the sealing device further comprises two groups of sealing rings, and the two groups of sealing rings are respectively sleeved on the two groups of grooves; through setting up two sets of sealing washer, improve the sealed effect of outside pipeline suit on two sets of connection hard tube lateral walls.

Preferably, the stainless steel ring also comprises internal threads which are respectively arranged on the inner side walls of the two groups of stainless steel rings; through setting up the internal thread to the outside pipeline spiral shell of being convenient for adorns inside two sets of stainless steel rings, improves the diversification that inlayer body and outside pipeline are connected, reduces the limitation of connection.

Preferably, the inner diameter of the two groups of sealing rings is smaller than the inner diameter of the inner layer pipe body, and the outer diameter of the two groups of sealing rings is larger than the outer diameter of the outer layer pipe body; the firm effect of connecting the two groups of sealing rings with the left and right ends of the outer layer pipe body and the inner layer pipe body is improved, and the sealing performance of the two groups of sealing rings to the cavity is improved.

Compared with the prior art, the utility model has the beneficial effects that: the left end and the right end of the outer layer pipe body are communicated with an external pipeline through a connecting mechanism, liquid flows through the inner layer pipe body in a conveying manner, when the inner layer pipe body is broken, the broken part of the inner layer pipe body is sealed through the leakage-repairing paste between the multiple groups of interlayer layers, so that the liquid in the inner layer pipe body is prevented from leaking outwards, when the liquid in the inner layer pipe body is emptied, the leakage-repairing paste at the crack part is dried and solidified through the air contact with the air in the inner layer pipe body, so that the crack of the inner layer pipe body is automatically repaired, when the outer layer pipe body is broken, the leakage-repairing paste at the crack part of the outer layer pipe body is dried through the contact with the external air, and the cost of integral replacement of the corrugated pipe is reduced.

Drawings

FIG. 1 is a schematic illustration of an axially measured structure of the present utility model;

FIG. 2 is a schematic side view of the connection of the outer tube body with the guard ring, etc.;

FIG. 3 is a schematic view of an axially partial structure of an inner layer pipe body connected with a interlayer or the like;

FIG. 4 is a schematic illustration of a partial structure of an axial measurement connecting a hard pipe with a stainless steel ring or the like;

the reference numerals in the drawings: 1. an outer layer tube body; 2. a guard ring; 3. an inner layer tube body; 4. an interlayer; 5. leak repairing paste; 6. a seal ring; 7. connecting a hard pipe; 8. a groove; 9. a stainless steel ring; 10. a seal ring; 11. and (5) an internal thread.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Examples

As shown in fig. 1 to 4, the low-temperature self-compensating corrugated pipe comprises an outer pipe body 1, a plurality of groups of protection rings 2 and an inner pipe body 3, wherein the plurality of groups of protection rings 2 are respectively sleeved on the outer side wall of the outer pipe body 1, the inner pipe body 3 is arranged inside the outer pipe body 1, and a cavity is formed between the outer side wall of the inner pipe body 3 and the inner side wall of the outer pipe body 1; the device comprises an inner pipe body 3, a plurality of groups of interlayer 4 and a leakage-repairing paste 5, wherein the inner pipe body 3 is provided with a plurality of groups of interlayer 4, the leakage-repairing paste 5 is arranged between the groups of interlayer 4, the whole cavity is filled with the leakage-repairing paste 5, the inner pipe body 1 and the inner pipe body 3 are respectively arranged at the left end and the right end of the inner pipe body 3, and the inner pipe body 1 and the inner pipe body 3 are communicated with an external pipeline;

as shown in fig. 2 and 4, the connecting mechanism comprises two groups of sealing rings 6, two groups of connecting hard pipes 7 and two groups of grooves 8, wherein the two groups of sealing rings 6 are respectively arranged at the left end and the right end of the outer pipe body 1 and the inner pipe body 3, the two groups of sealing rings 6 are respectively sealed at the two ends of a cavity between the outer pipe body 1 and the inner pipe body 3, the two groups of connecting hard pipes 7 are respectively connected with the outer side walls of the two groups of sealing rings 6, and the two groups of grooves 8 are respectively arranged on the outer side walls of the two groups of connecting hard pipes 7;

as shown in fig. 1, the stainless steel pipe joint also comprises two groups of stainless steel rings 9, wherein the two groups of stainless steel rings 9 are respectively sleeved on the inner side walls of the two groups of connecting hard pipes 7;

as shown in fig. 1 and 2, the sealing device further comprises two groups of sealing rings 10, and the two groups of sealing rings 10 are respectively sleeved on the two groups of grooves 8.

According to the low-temperature self-repairing corrugated pipe, when the low-temperature self-repairing corrugated pipe works, the left end and the right end of the outer layer pipe body 1 and the left end of the inner layer pipe body 3 are communicated with an external pipeline through the connecting mechanism, liquid is conveyed and flows through the inner portion of the inner layer pipe body 3, when the inner layer pipe body 3 is broken, the broken portion of the inner layer pipe body 3 is sealed through the leakage repairing paste 5 between the groups of interlayer 4, when the liquid in the inner layer pipe body 3 is emptied, the leakage repairing paste 5 at the broken portion is dried and solidified through contact with air in the inner layer pipe body 3, so that the crack of the inner layer pipe body 3 is automatically repaired, and when the outer layer pipe body 1 is broken, the leakage repairing paste 5 at the broken portion of the outer layer pipe body 1 is dried through contact with external air, and the crack of the outer layer pipe body 1 is repaired.

The main functions realized by the utility model are as follows: the broken part of the inner layer pipe body 3 is sealed by the leakage-repairing paste 5 between the multiple groups of interlayer 4, so that the liquid in the inner layer pipe body 3 is prevented from leaking outwards, when the liquid in the inner layer pipe body 3 is emptied, the leakage-repairing paste 5 at the crack part is dried and solidified by contacting with air in the inner layer pipe body 3, so that the crack of the inner layer pipe body 3 is automatically repaired, when the outer layer pipe body 1 breaks, the leakage-repairing paste 5 at the crack part of the outer layer pipe body 1 is dried by contacting with the external air, and thus the cost for repairing the crack of the outer layer pipe body 1 is reduced, and the whole replacement cost of the corrugated pipe is reduced.

The leakage repairing paste 5 of the low-temperature self-repairing corrugated pipe is purchased in the market, and a person skilled in the art only needs to install and operate according to the attached use instruction, and does not need to carry out creative labor by the person skilled in the art.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The low-temperature self-repairing corrugated pipe comprises an outer pipe body (1), a plurality of groups of protection rings (2) and an inner pipe body (3), wherein the plurality of groups of protection rings (2) are respectively sleeved on the outer side wall of the outer pipe body (1), the inner pipe body (3) is arranged inside the outer pipe body (1), and a cavity is formed between the outer side wall of the inner pipe body (3) and the inner side wall of the outer pipe body (1); the novel pipe is characterized by further comprising a plurality of groups of interlayer (4) and a leakage-repairing paste (5) of a connecting mechanism, wherein the plurality of groups of interlayer (4) are respectively sleeved on the outer side wall of the inner pipe body (3) at equal intervals, the plurality of groups of interlayer (4) are arranged in the cavity, the leakage-repairing paste (5) is arranged between the plurality of groups of interlayer (4), the whole cavity is filled with the leakage-repairing paste (5), the connecting mechanism is respectively arranged at the left end and the right end of the outer pipe body (1) and the left end and the right end of the inner pipe body (3), and the connecting mechanism is used for communicating the outer pipe body (1) and the inner pipe body (3) with an external pipeline.

2. A low-temperature self-compensating corrugated pipe as claimed in claim 1, characterized in that the connecting mechanism comprises two groups of sealing rings (6), two groups of connecting hard pipes (7) and two groups of grooves (8), wherein the two groups of sealing rings (6) are respectively arranged at the left end and the right end of the outer pipe body (1) and the inner pipe body (3), the two groups of sealing rings (6) are respectively sealed at the two ends of a cavity between the outer pipe body (1) and the inner pipe body (3), the two groups of connecting hard pipes (7) are respectively connected with the outer side walls of the two groups of sealing rings (6), and the two groups of grooves (8) are respectively arranged on the outer side walls of the two groups of connecting hard pipes (7).

3. A low-temperature self-compensating corrugated pipe as claimed in claim 2, further comprising two sets of stainless steel rings (9), wherein the two sets of stainless steel rings (9) are respectively sleeved on the inner side walls of the two sets of connecting rigid pipes (7).

4. A low temperature self-compensating bellows as claimed in claim 2, further comprising two sets of sealing rings (10), the two sets of sealing rings (10) being respectively fitted over the two sets of grooves (8).

5. A low temperature self-compensating bellows as claimed in claim 3, further comprising internal threads (11), the internal threads (11) being provided on the inner side walls of the two sets of stainless steel rings (9), respectively.

6. A low temperature self-compensating corrugated pipe as claimed in claim 2, characterized in that the inner diameter of the two sets of sealing rings (6) is smaller than the inner diameter of the inner pipe body (3), and the outer diameter of the two sets of sealing rings (6) is larger than the outer diameter of the outer pipe body (1).