CN216867878U - Composite sealing self-adjusting guide sleeve compensator - Google Patents
Composite sealing self-adjusting guide sleeve compensator Download PDFInfo
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- CN216867878U CN216867878U CN202220174012.6U CN202220174012U CN216867878U CN 216867878 U CN216867878 U CN 216867878U CN 202220174012 U CN202220174012 U CN 202220174012U CN 216867878 U CN216867878 U CN 216867878U
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- outer sleeve
- ring
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- sleeve
- sealing
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Abstract
The utility model relates to a composite sealing self-adjusting guide sleeve compensator which comprises a left connecting pipe, a first outer sleeve, a second outer sleeve, a core pipe and a right connecting pipe, wherein sealing filler is arranged between the second outer sleeve and the core pipe; the inner surface of the first outer sleeve is provided with a guide ring; during installation, the nuts of the bolt and nut assemblies are screwed to enable the springs to generate tension. The gland flange is pre-tensioned through the spring, and can automatically adjust and keep a certain pressure to compress the packing after the packing is lost; the baffle ring can effectively prevent medium particles from entering the interlayer of the core pipe, thereby reducing abrasion and protecting the sealing ring and the sealing filler. The utility model has better sealing performance, long service life, guiding function and stable and reliable work, and is particularly suitable for workplaces with larger pipeline expansion compensation amount.
Description
Technical Field
The utility model relates to the technical field of pipeline compensators, in particular to a composite sealing self-adjusting guide sleeve compensator.
Background
The existing pipeline for long-distance medium transportation generally needs to be provided with a plurality of compensators for compensating the expansion of the pipeline in sections. To ensure the safety of the pipe, the compensator is usually thick and strong. According to the working mode that the pipeline compensator bears the medium pressure, the pipeline compensator is generally divided into an internal pressure type compensator and an external pressure type compensator, the internal pressure type compensator is easily twisted in the expansion and contraction process due to the action of the medium pressure from an inner cavity, the working stability is low, and the sealing performance is not ideal.
At present, in the use process of the existing sleeve compensator, because an interlayer exists between a core tube and an outer sleeve of the compensator, medium particles in a pipeline easily enter a gap of the interlayer, and the expansion amount generated by the pipeline is large, the sealing filler of the compensator easily leaks due to abrasion, so that the compensator needs to be regularly maintained or replaced, the service life of the compensator is short, the workload of maintenance and replacement is large, and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a composite sealing self-adjusting guide sleeve compensator which is good in sealing performance and safe and reliable to use.
The purpose of the utility model is realized by adopting the following technical scheme:
the composite sealing self-adjusting guide sleeve compensator comprises a left connecting pipe, a first outer sleeve, a second outer sleeve, a core pipe and a right connecting pipe, wherein the left connecting pipe is welded and fixed with the first outer sleeve;
a packing cavity is arranged between the inner wall of the second outer sleeve and the outer surface of the core pipe, sealing packing is arranged in the packing cavity, a sleeve flange is arranged at the right end of the second outer sleeve, the sleeve flange is connected with a gland flange through a bolt and nut assembly, and a spring is arranged between the nut and the gland flange; a pressing ring is arranged on the left side of the gland flange, extends into the packing cavity and is in extrusion type tight contact connection with the sealing packing;
the inner surface of the first outer sleeve is provided with a convex ring, the convex ring is provided with a groove, and a guide ring is embedded between the groove of the convex ring and the outer surface of the core pipe.
As the preferable technical scheme of the utility model, an elastic gasket and a flat gasket are sequentially arranged between the nut and the spring, and the nut is screwed during installation to enable the spring to generate tension.
As a preferred technical scheme of the utility model, the outer diameter of the left connecting pipe is smaller than the inner diameter of the first outer sleeve, the right end of the left connecting pipe is provided with an arc-shaped bell mouth, and the left connecting pipe is welded and fixed with the first outer sleeve through the bell mouth.
As a preferred technical scheme of the utility model, a baffle ring is arranged between the left end of the core tube and the inner wall of the first outer sleeve.
As a preferable technical scheme of the utility model, the guide ring is a copper ring, an aluminum ring or an aluminum alloy ring.
As a preferable technical scheme of the utility model, a plurality of sealing grooves are formed in the left side of the second outer sleeve packing cavity, a Y-shaped sealing ring is arranged in the leftmost sealing groove, and O-shaped sealing rings are arranged in the other sealing grooves.
As a preferred technical scheme of the utility model, the flow direction of the medium in the compensator is in the direction from the right connecting pipe to the left connecting pipe.
As the preferred technical scheme of the utility model, the gland flange and the pressure ring are welded and fixed.
The utility model has the beneficial effects that: compared with the prior art, the gland flange is pre-tensioned through the bolt and nut assembly and the spring, and the gland flange can automatically adjust and keep a certain pressure to compress the packing after the packing is consumed. The compensator is provided with a guide ring, a plurality of sealing rings and sealing filler, and a baffle ring is arranged between the core pipe and the first outer sleeve, so that medium particles in the pipeline can be effectively prevented from entering the interlayer of the core pipe, the abrasion is reduced, and the sealing rings and the sealing filler are protected.
The utility model has the advantages of better sealing performance, difficult leakage, low maintenance cost, long service life, guiding function, higher working stability and reliability, and is particularly suitable for workplaces with larger pipeline expansion compensation amount.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1. the device comprises a left connecting pipe, 2 parts of a first outer sleeve, 3 parts of a baffle ring, 4 parts of a Y-shaped sealing ring, 5 parts of an O-shaped sealing ring, 6 parts of a second outer sleeve, 7 parts of sealing filler, 8 parts of a sleeve flange, 9 parts of a pressing ring, 10 parts of a gland flange, 11 parts of a bolt and nut assembly, 15 parts of a core pipe, 16 parts of a right connecting pipe, 17 parts of a guide ring, 18 parts of a spring.
Detailed Description
The utility model is further described with reference to the following examples in conjunction with the accompanying drawings:
as shown in fig. 1, the composite sealing self-adjusting guide sleeve compensator comprises a left connection pipe 1, a first outer sleeve 2, a second outer sleeve 6, a core pipe 15 and a right connection pipe 16, wherein the left connection pipe 1 is welded and fixed with the first outer sleeve 2, the first outer sleeve 2 is welded and fixed with the second outer sleeve 6, the core pipe 15 is sleeved in the second outer sleeve 6, the left end of the core pipe 15 extends into the inner cavity of the first outer sleeve 2, and the right end of the core pipe 15 is welded and fixed with the right connection pipe 16.
A packing cavity is arranged between the inner wall of the second outer sleeve 6 and the outer surface of the core tube 15, a sealing packing 7 is arranged in the packing cavity, a sleeve flange 8 is arranged at the right end of the second outer sleeve 6, the sleeve flange 8 is connected with a gland flange 10 through a bolt and nut assembly 11, and a spring 18 is arranged between a nut of the bolt and nut assembly 11 and the gland flange 10; the left side of the gland flange 10 is provided with a pressing ring 9, and the pressing ring 9 extends into the packing cavity and forms extrusion type tight contact connection with the sealing packing 7.
In this embodiment, an elastic gasket and a flat gasket are sequentially disposed between the nut of the bolt-nut assembly 11 and the spring 18, and the nut is screwed during installation to enable the spring 18 to generate a tension force. The inner surface of the first outer sleeve 2 is provided with a convex ring, the convex ring is provided with a groove, and a guide ring 17 is embedded between the groove of the convex ring and the outer surface of the core tube 15.
In this embodiment, the outer diameter of the left connection pipe 1 is smaller than the inner diameter of the first outer sleeve 2, the right end of the left connection pipe 1 is provided with an arc-shaped bell mouth, and the left connection pipe 1 is welded and fixed with the first outer sleeve 2 through the bell mouth. A baffle ring 3 is arranged between the left end of the core tube 15 and the inner wall of the first outer sleeve 2, and medium particles in a pipeline can be effectively prevented from entering an interlayer of the core tube through the baffle ring 3, so that abrasion is reduced, and a sealing ring and sealing filler are protected.
The guide ring 17 of the present embodiment is a copper ring, an aluminum ring, or an aluminum alloy ring. A plurality of sealing grooves are formed in the left side of the packing cavity of the second outer sleeve 6, a Y-shaped sealing ring 4 is arranged in the leftmost sealing groove, and O-shaped sealing rings 5 are arranged in other sealing grooves. The flow direction of the medium in the compensator is from the right connecting pipe 16 to the left connecting pipe 1; and the gland flange 10 is fixedly welded with the pressure ring 9.
The above-mentioned embodiments are only used for illustrating the conception and technical features of the present invention, and the purpose thereof is to make the technical solution and implementation manner of the present invention known to those skilled in the art, and the protection scope of the present invention is not limited thereby. All equivalents and modifications of the technical solution according to the present invention are intended to be covered by the scope of the claims.
Claims (8)
1. The utility model provides a compound seal self-interacting guide sleeve compensator, includes that left side is taken over, first outer tube, second outer tube, core pipe and right side are taken over, characterized by: the left connecting pipe is welded and fixed with the first outer sleeve, the first outer sleeve is welded and fixed with the second outer sleeve, the core pipe is sleeved in the second outer sleeve, the left end of the core pipe extends into the inner cavity of the first outer sleeve, and the right end of the core pipe is welded and fixed with the right connecting pipe;
a packing cavity is arranged between the inner wall of the second outer sleeve and the outer surface of the core pipe, sealing packing is arranged in the packing cavity, a sleeve flange is arranged at the right end of the second outer sleeve, the sleeve flange is connected with a gland flange through a bolt and nut assembly, and a spring is arranged between the nut and the gland flange; a pressing ring is arranged on the left side of the gland flange, extends into the packing cavity and is in extrusion type tight contact connection with the sealing packing;
the inner surface of the first outer sleeve is provided with a convex ring, the convex ring is provided with a groove, and a guide ring is embedded between the groove of the convex ring and the outer surface of the core tube.
2. The composite seal self-adjusting guide sleeve compensator of claim 1 wherein: an elastic gasket and a flat gasket are sequentially arranged between the nut and the spring, and the nut is screwed during installation to enable the spring to generate tension.
3. The composite seal self-adjusting guide sleeve compensator of claim 1 wherein: the outer diameter of the left connecting pipe is smaller than the inner diameter of the first outer sleeve, an arc-shaped horn mouth is formed in the right end of the left connecting pipe, and the left connecting pipe is welded and fixed with the first outer sleeve through the horn mouth.
4. The composite seal self-adjusting guide sleeve compensator of claim 1 wherein: and a baffle ring is arranged between the left end of the core tube and the inner wall of the first outer sleeve.
5. The composite seal self-adjusting guide sleeve compensator of claim 1 wherein: the guide ring is a copper ring, an aluminum ring or an aluminum alloy ring.
6. The composite seal self-adjusting guide sleeve compensator of claim 1 wherein: a plurality of sealing grooves are formed in the left side of the second outer sleeve packing cavity, Y-shaped sealing rings are arranged in the leftmost sealing groove, and O-shaped sealing rings are arranged in the other sealing grooves.
7. The composite seal self-adjusting guide sleeve compensator of claim 1 wherein: the flow direction of the medium in the compensator is from the right connecting pipe to the left connecting pipe.
8. The composite seal self-adjusting guide sleeve compensator of claim 1 wherein: and the gland flange is welded and fixed with the pressure ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220174012.6U CN216867878U (en) | 2022-01-22 | 2022-01-22 | Composite sealing self-adjusting guide sleeve compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220174012.6U CN216867878U (en) | 2022-01-22 | 2022-01-22 | Composite sealing self-adjusting guide sleeve compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216867878U true CN216867878U (en) | 2022-07-01 |
Family
ID=82153023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220174012.6U Active CN216867878U (en) | 2022-01-22 | 2022-01-22 | Composite sealing self-adjusting guide sleeve compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216867878U (en) |
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2022
- 2022-01-22 CN CN202220174012.6U patent/CN216867878U/en active Active
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