CN216813380U - Compound seal non-maintaining guide sleeve compensator - Google Patents
Compound seal non-maintaining guide sleeve compensator Download PDFInfo
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- CN216813380U CN216813380U CN202123381200.0U CN202123381200U CN216813380U CN 216813380 U CN216813380 U CN 216813380U CN 202123381200 U CN202123381200 U CN 202123381200U CN 216813380 U CN216813380 U CN 216813380U
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Abstract
The utility model relates to a composite sealing maintenance-free guide sleeve compensator which comprises a left connecting pipe, a first outer sleeve, a second outer sleeve, a third outer sleeve, a core pipe and a right connecting pipe, wherein the core pipe is sleeved in the second outer sleeve, a packing cavity is arranged between the second outer sleeve and the core pipe, sealing packing is arranged in the packing cavity, and a guide ring is embedded between the first outer sleeve and the core pipe. The utility model is provided with a plurality of sealing rings and sealing filler while arranging the guide ring, thereby not only having better sealing performance, but also having guide function and higher working stability and reliability; a baffle ring is arranged between the core tube and the first outer sleeve, and can effectively prevent medium particles in the pipeline from entering an interlayer of the core tube, so that abrasion is reduced, and a sealing ring and sealing filler are protected; the second outer sleeve is provided with a material injection nozzle, and the filler can be supplemented and injected through the material injection nozzle, so that the maintenance-free function of the compensator is realized. The utility model has the advantages of difficult leakage, long service life and safe and reliable work.
Description
Technical Field
The utility model relates to the technical field of pipeline compensators, in particular to a composite sealing maintenance-free 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 maintenance-free 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:
a composite sealing maintenance-free 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 and is connected with a gland flange through a bolt and nut assembly, a pressing ring is arranged on the left side of the gland flange, and the pressing ring extends into the packing cavity and is in extrusion type close 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; and the pipe wall of the second outer sleeve is provided with a material injection nozzle, the lower end of the material injection nozzle is communicated with the filling cavity, and the upper end of the material injection nozzle is provided with a sealing cover connected through threads.
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 or an aluminum alloy ring.
As a preferable technical scheme of the utility model, a plurality of sealing grooves are arranged on the left side of the packing cavity of the second outer sleeve, wherein Y-shaped sealing rings are arranged in the sealing groove on the leftmost side, 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.
The utility model has the beneficial effects that: compared with the prior art, the guide ring is arranged between the first outer sleeve and the core pipe, and the plurality of sealing rings and the sealing filler are arranged, so that the sealing performance is better, the guide function is realized, and the working stability and reliability are higher. A baffle ring is arranged between the core tube and the first outer sleeve, and medium particles in the pipeline can be effectively prevented from entering the interlayer of the core tube, so that abrasion is reduced, and the sealing ring and the sealing filler are protected. The second outer sleeve is provided with the material injection nozzle, the filler can be supplemented and injected through the material injection nozzle, the compensator is prevented from being detached and injected or the sealing filler is prevented from being replaced, and therefore the maintenance-free function of the compensator is achieved. The utility model has the advantages of difficult leakage, long service life and safe and reliable work.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1. the device comprises a left connecting pipe, 2, a first outer sleeve, 3, a baffle ring, 4, a Y-shaped sealing ring, 5, an O-shaped sealing ring, 6, a second outer sleeve, 7, sealing filler, 8, a sleeve flange, 9, a pressing ring, 10, a gland flange, 11, a bolt and nut assembly, 15, a core pipe, 16, a right connecting pipe, 17, a guide ring, 18 and a material injection nozzle.
Detailed Description
The utility model will be further described with reference to the following detailed description of embodiments and with reference to the accompanying drawings in which:
as shown in fig. 1, a composite sealing maintenance-free 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; be equipped with the packing chamber between the inner wall of second outer sleeve pipe 6 and the 15 surfaces of core pipe, the packing intracavity is equipped with sealing filler 7, and the right-hand member of second outer sleeve pipe 6 is equipped with sleeve flange 8, and sleeve flange 8 passes through bolt and nut subassembly 11 and is connected with gland flange 10, and gland flange 10's left side is equipped with clamping ring 9, and clamping ring 9 stretches into the packing intracavity and forms extrusion formula in close contact with sealing filler 7 and is connected.
A convex ring is arranged on the inner surface of the first outer sleeve 2, a groove is arranged on the convex ring, and a guide ring 17 is embedded between the groove of the convex ring and the outer surface of the core tube 15; and a material injection nozzle 18 is arranged on the pipe wall of the second outer sleeve 6, the lower end of the material injection nozzle 18 is communicated with the filling cavity, and a sealing cover connected through threads is arranged at the upper end of the material injection nozzle 18. After the compensator is used for a period of time, the sealing filler can be additionally filled into the filler cavity through the material filling nozzle 18, so that the compensator is prevented from being detached and filled or the sealing filler is prevented from being replaced, and the maintenance-free function is realized.
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. In this embodiment, 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; the guide ring is a copper 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 the direction from the right nozzle 16 to the left nozzle 1.
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 (6)
1. The utility model provides a compound seal non-maintaining 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 and is connected with a gland flange through a bolt and nut assembly, a pressing ring is arranged on the left side of the gland flange, and the pressing ring extends into the packing cavity and is in extrusion type close 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;
and the pipe wall of the second outer sleeve is provided with a material injection nozzle, the lower end of the material injection nozzle is communicated with the filling cavity, and the upper end of the material injection nozzle is provided with a sealing cover connected through threads.
2. The composite seal maintenance-free 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.
3. The composite seal maintenance-free 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.
4. The composite seal maintenance-free guide sleeve compensator of claim 1 wherein: the guide ring is a copper ring or an aluminum alloy ring.
5. The composite seal maintenance-free 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 other sealing grooves.
6. The composite seal maintenance-free 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123381200.0U CN216813380U (en) | 2021-12-30 | 2021-12-30 | Compound seal non-maintaining guide sleeve compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123381200.0U CN216813380U (en) | 2021-12-30 | 2021-12-30 | Compound seal non-maintaining guide sleeve compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216813380U true CN216813380U (en) | 2022-06-24 |
Family
ID=82061234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123381200.0U Active CN216813380U (en) | 2021-12-30 | 2021-12-30 | Compound seal non-maintaining guide sleeve compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216813380U (en) |
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2021
- 2021-12-30 CN CN202123381200.0U patent/CN216813380U/en active Active
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