CN213479501U

CN213479501U - Sleeve compensator

Info

Publication number: CN213479501U
Application number: CN202022578777.XU
Authority: CN
Inventors: 梅雪源; 陈华
Original assignee: Jiangsu Yangguang Machinery Manufacturing Co ltd
Current assignee: Jiangsu Yangguang Machinery Manufacturing Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-06-18
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a sleeve compensator, including flange seat and inner tube cover, the internally mounted of flange seat has inner tube cover, the back pipe box body has been cup jointed to the lower extreme outside of flange seat, the lower extreme inside of back pipe box body is provided with buffer, buffer includes stopping B and buffer pipe, the inside of stopping B is provided with buffer pipe, inner tube cover has been cup jointed stopping A near the downside outside, stopping A is under the flange seat, inner tube cover and back pipe box body must carry out the groove with the pipeline and handle, the medium fills the interior pipeline and flows in, when hot medium passes buffer pipe, buffer pipe can grow, inner pipe can move to buffer pipe's lower extreme, stopping A can make inner pipe, flange seat and back pipe box body upper end seal, fill even B can make buffer pipe and back pipe box body lower extreme seal, the inflow medium is blocked by the filler B, so that the leakage of the sleeve compensator is avoided.

Description

Sleeve compensator

Technical Field

The utility model belongs to the technical field of the compensator is relevant, concretely relates to sleeve compensator.

Background

A sleeve compensator called as a pipe expansion joint is a compensator of a hot fluid pipeline, is mainly used for the absorption and compensation of axial thermal expansion displacement generated after a linear pipeline is arranged in an auxiliary way, is a compensator directly installed in any pipeline for conveying non-corrosive unidirectional or multidirectional fluid, is widely used in conveying pipelines of industries such as town heating, metallurgy, mine, power generation, petrochemical industry, building and the like, and mainly comprises an inner core pipe, a shell, a sealing material and the like.

The prior sleeve compensator technology has the following problems: the sleeve compensator has the advantages that the service life is long, the fatigue life is equivalent to that of a pipeline, the sliding surface is specially treated, the corrosion resistance is good in the environments of salt water, salt solution and the like, when the rear pipe sleeve body of the conventional sleeve compensator is enlarged, the inner pipeline moves towards the outer shell, the filler completes the sealing between the rear pipe sleeve body and the outer shell, and the filler is damaged after long-term use, so that the sleeve compensator is easy to leak.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sleeve compensator to the long-term use that proposes in solving above-mentioned background art can lead to the stopping to take place to damage, thereby leads to sleeve compensator easily to leak the problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sleeve compensator, includes flange seat and interior pipe box, the internally mounted of flange seat has interior pipe box, the back pipe box body has been cup jointed to the lower extreme outside of flange seat, the inside buffer that is provided with of the lower extreme of back pipe box body, buffer includes stopping B and buffer pipe, stopping B's inside is provided with buffer pipe, interior pipe box has been close to the downside outside and has been cup jointed stopping A, stopping A is under the flange seat.

Preferably, the flange seat and the rear pipe sleeve body are fixedly connected through bolts, and the outer wall of the lower end of the flange seat is completely attached to the inner wall of the rear pipe sleeve body.

Preferably, the filler A is a sealing ring made of oil-immersed asbestos packing, the filler B is a sealing ring made of flexible graphite, and the diameters of the filler A and the filler B are different in size.

Preferably, the flange seat, the rear pipe sleeve body, the inner pipe sleeve and the buffer pipeline are all made of metal materials, and anticorrosive and antirust paint is coated on the exposed outer portions of the flange seat and the rear pipe sleeve body.

Preferably, the outer wall of the inner pipe sleeve is completely attached to the inner wall of the flange seat, a gap is reserved between the outer wall of the inner pipe sleeve and the inner wall of the rear pipe sleeve body, and the inner pipe sleeve can move up and down in the rear pipe sleeve body.

Preferably, the outer wall of the lower end of the buffer pipeline is completely attached to the inner part of the lower end of the rear pipe sleeve body, the upper end of the buffer pipeline is arranged in the inner pipe sleeve, and a gap is reserved between the outer wall of the upper end of the buffer pipeline and the inner wall of the inner pipe sleeve.

Preferably, the inside of the rear pipe sleeve body, the inner pipe sleeve and the buffer pipeline is subjected to anticorrosive treatment, and the outside of the inner pipe sleeve and the buffer pipeline is also subjected to anticorrosive treatment.

Compared with the prior art, the utility model provides a sleeve compensator possesses following beneficial effect:

the utility model adds a buffer device in the original sleeve compensator, the buffer device comprises a filler B and a buffer pipeline, the filler B is firstly sleeved on the outer wall of the buffer pipeline, then the buffer device is arranged inside the lower end of a rear pipe sleeve body, the lower end of an inner pipe sleeve is sleeved with the filler A, then the inner pipe sleeve is arranged inside a flange seat, the lower end of the flange seat is externally arranged inside the upper end of the rear pipe sleeve body, so that the inner pipe sleeve is sleeved inside the buffer pipeline, finally, the flange seat and the rear pipe sleeve body are fixed by using bolts, the inner pipe sleeve is arranged at the inflow end of a medium, the inner pipe sleeve and the rear pipe sleeve body must be subjected to groove treatment with the pipeline, the medium fills the inner pipeline to flow in, when the hot medium passes through the buffer pipeline, the buffer pipeline can become large, the inner pipeline can move towards the lower end of the buffer pipeline, the filler A can lead the inner pipeline to be led, the filling connection B can seal the buffer pipeline and the lower end of the rear pipe sleeve body, and inflow media can be blocked by the filling material B, so that the sleeve compensator is prevented from leaking.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of a sleeve compensator according to the present invention;

fig. 2 is a schematic cross-sectional structure diagram of a sleeve compensator according to the present invention;

fig. 3 is a schematic perspective view of a sleeve compensator according to the present invention;

in the figure: 1. a rear tube housing; 2. a buffer device; 3. filling material A; 4. a flange seat; 5. an inner pipe sleeve; 6. a filler B; 7. and (4) buffering the pipeline.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a sleeve compensator comprises a flange seat 4 and an inner pipe sleeve 5, wherein the inner pipe sleeve 5 is installed inside the flange seat 4, a rear pipe sleeve body 1 is sleeved outside the lower end of the flange seat 4, the flange seat 4 and the rear pipe sleeve body 1 are fixedly connected through bolts, the outer wall of the lower end of the flange seat 4 is completely attached to the inner wall of the rear pipe sleeve body 1, the flange seat 4 and the rear pipe sleeve body 1 are fixed through bolts, later maintenance and disassembly are more convenient, the lower end of the flange seat 4 and the inner portion of the rear pipe sleeve body 1 are attached for better sealing performance, a buffer device 2 is arranged inside the lower end of the rear pipe sleeve body 1, the buffer device 2 comprises a filler B6 and a buffer pipeline 7, a buffer pipeline 7 is arranged inside a filler B6, the flange seat 4, the rear pipe sleeve body 1, the inner pipe sleeve 5 and the buffer pipeline 7 are all made of metal materials, and the exposed outer portions of the flange seat 4 and the rear pipe sleeve body, the flange seat 4, the rear pipe sleeve body 1, the inner pipe sleeve 5 and the buffer pipeline 7 which are made of metal materials are firmer and more durable, paint can protect the flange seat 4 and the rear pipe sleeve body 1 from being corroded easily, damage to the flange seat 4 and the rear pipe sleeve body 1 is avoided, the appearance of the sleeve compensator is better, the interiors of the rear pipe sleeve body 1, the inner pipe sleeve 5 and the buffer pipeline 7 are subjected to anticorrosion treatment, the exteriors of the inner pipe sleeve 5 and the buffer pipeline 7 are also subjected to anticorrosion treatment, inflow media can be effectively prevented from corroding the pipeline by the anticorrosion treatment of the interiors, the outer wall of the lower end of the buffer pipeline 7 is completely attached to the interior of the lower end of the rear pipe sleeve body 1, the upper end of the buffer pipeline 7 is arranged in the inner pipe sleeve 5, a gap is reserved between the outer wall of the upper end of the buffer pipeline 7 and the inner wall of the inner pipe sleeve 5, the inner pipe sleeve 5 can move outside, the outer part of the inner pipe sleeve 5 close to the lower side is sleeved with a filler A3, the outer wall of the inner pipe sleeve 5 is completely attached to the inner wall of the flange seat 4, a gap is reserved between the outer wall of the inner pipe sleeve 5 and the inner wall of the rear pipe sleeve body 1, the inner pipe sleeve 5 can move up and down in the rear pipe sleeve body 1, a hot medium flows in, so that the inner pipe sleeve 5 can move up and down in the rear pipe sleeve body 1, thereby transmission medium, the laminating of inner tube cover 5 and flange seat 4 is for better leakproofness, the material of stopping A3 is the sealing washer that the packing made for immersion oil asbestos packing, stopping B6 is the sealing washer of making by flexible graphite material, the diameter variation of stopping A3 and stopping B6 is for better transmission medium, flexible graphite sealing washer has better wearability and corrosion resistance, immersion oil asbestos packing can be more high temperature resistant, stopping A3 is under flange seat 4.

The utility model discloses a theory of operation and use flow: the utility model discloses after installing, before the installation sleeve compensator, need to inspect back pipe box body 1, buffer 2, stopping A3, whether the specification of flange seat 4 and inner pipe box 5 matches, then install buffer pipeline 7 inside the lower extreme of back pipe box body 1, connect the back with stopping B6 and the lower extreme of inner pipe box 5, stopping A3, flange seat 4 and inner pipe box 5 are packed into back pipe box body 1 according to shunxing inside, make stopping B6 outside buffer pipeline 7, the upper end of inner pipe box 5 is gone into to the inflow end of medium, the lower end way of back pipe box body 1 is gone out, overheated medium takeover can make back pipe box body 1 and buffer pipeline 7 grow, inner pipe box 5 will think the lower extreme to remove, stopping A3 can make the upper end seal, stopping B6 can make buffer pipeline 7 and inner pipe box 5 seal, thereby make the medium avoid flowing out from stopping A3, thereby avoiding damage to the sleeve compensator.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A sleeve compensator, includes flange seat (4) and inner tube cover (5), its characterized in that: the utility model discloses a flange seat, including flange seat, pipe box, buffer device, pipe box body, pipe box, buffer device, pipe box.

2. A sleeve compensator according to claim 1, wherein: the flange seat (4) is fixedly connected with the rear pipe sleeve body (1) through bolts, and the outer wall of the lower end of the flange seat (4) is completely attached to the inner wall of the rear pipe sleeve body (1).

3. A sleeve compensator according to claim 1, wherein: the packing material A (3) is made of a sealing ring made of oil-immersed asbestos packing, the packing material B (6) is made of a sealing ring made of flexible graphite, and the diameters of the packing material A (3) and the packing material B (6) are different in size.

4. A sleeve compensator according to claim 1, wherein: the novel pipe joint is characterized in that the flange seat (4), the rear pipe sleeve body (1), the inner pipe sleeve (5) and the buffer pipeline (7) are made of metal materials, and anticorrosive and antirust paint is coated on the exposed outer portions of the flange seat (4) and the rear pipe sleeve body (1).

5. A sleeve compensator according to claim 1, wherein: the outer wall of the inner pipe sleeve (5) is completely attached to the inner wall of the flange seat (4), a gap is reserved between the outer wall of the inner pipe sleeve (5) and the inner wall of the rear pipe sleeve body (1), and the inner pipe sleeve (5) can move up and down in the rear pipe sleeve body (1).

6. A sleeve compensator according to claim 1, wherein: the outer wall of the lower end of the buffer pipeline (7) is completely attached to the inner portion of the lower end of the rear pipe sleeve body (1), the upper end of the buffer pipeline (7) is arranged inside the inner pipe sleeve (5), and a gap is reserved between the outer wall of the upper end of the buffer pipeline (7) and the inner wall of the inner pipe sleeve (5).

7. A sleeve compensator according to claim 1, wherein: the inside of the rear pipe sleeve body (1), the inner pipe sleeve (5) and the buffer pipeline (7) are all subjected to anticorrosive treatment, and the outside of the inner pipe sleeve (5) and the buffer pipeline (7) is also subjected to anticorrosive treatment.