CN216813378U - Self-adjusting guide sleeve compensator with composite seal and alarm device - Google Patents
Self-adjusting guide sleeve compensator with composite seal and alarm device Download PDFInfo
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- CN216813378U CN216813378U CN202123336240.3U CN202123336240U CN216813378U CN 216813378 U CN216813378 U CN 216813378U CN 202123336240 U CN202123336240 U CN 202123336240U CN 216813378 U CN216813378 U CN 216813378U
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Abstract
The utility model relates to a self-adjusting guide sleeve compensator provided with a composite sealing and alarming device, 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, the left end of the core pipe extends into 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 core pipe, sealing packing is arranged in the packing cavity, and an alarm is arranged on the third outer sleeve; a guide ring is embedded between the first outer sleeve and the core tube. The gland flange is pre-tensioned through the spring, and can automatically adjust and keep a certain pressure to compress the filler. And an alarm is arranged on the third outer sleeve, so that leakage can be found in time. The compensator is provided with the guide ring, a plurality of sealing rings and sealing filler, so that the sealing performance is better, the guide function is realized, and the working stability and reliability are higher. The utility model has the advantages of difficult leakage, long service life, low maintenance cost and safe and reliable work.
Description
Technical Field
The utility model relates to the technical field of pipeline compensators, in particular to a self-adjusting guide sleeve compensator with a composite seal and an alarm device.
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 pipeline, the compensator is generally thicker in wall and higher in strength. 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 self-adjusting guide sleeve compensator with a composite sealing and alarming device, which has better sealing performance and is safe and reliable to use.
The purpose of the utility model is realized by adopting the following technical scheme:
the self-adjusting guide sleeve compensator provided with the composite sealing and alarming device 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, and a spring is arranged between the nut and the gland flange; the left side of the gland flange is provided with a pressing ring, and the pressing ring 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.
As a preferable technical scheme of the utility model, an elastic gasket and a flat gasket are sequentially arranged between the nut and the spring.
As a preferred technical scheme of the utility model, the peripheries of the sleeve flange and the gland flange are provided with a third outer sleeve, two ends of the third outer sleeve are respectively provided with a side plate, and the pipe wall of the third outer sleeve is provided with a temperature or pressure alarm.
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, 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 utility model can find the pressure change of the pipeline and the pipeline leakage in time by arranging the alarm on the third outer sleeve of the compensator, and the alarm can give an alarm immediately once the compensator leaks in the using process, thereby taking measures to prevent the medium leakage in time.
The gland flange of the compensator 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 the guide ring, the plurality of sealing rings and the sealing filler, 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 utility model has the advantages of difficult leakage, long service life, low maintenance cost 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 retaining 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, 12, an alarm, 13, a side plate, 14, a third outer sleeve, 15, a core pipe, 16, a right connecting pipe, 17, a guide ring, 18 and a spring.
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, the self-adjusting guide sleeve compensator provided with a composite sealing and alarm device comprises a left connecting pipe 1, a first outer sleeve 2, a second outer sleeve 6, a core pipe 15 and a right connecting pipe 16, wherein the left connecting 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 connecting 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; a pressing ring 9 is arranged on the left side of the gland flange 10, and the pressing ring 9 extends into the packing cavity and is in extrusion type close contact connection with the sealing packing 7; 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, an elastic gasket and a flat gasket are sequentially arranged between the nut and the spring 18. The gland flange 10 of the compensator is pre-tensioned through the bolt-nut assembly 11 and the spring 18, and after the sealing packing 7 is worn, the gland flange 10 can automatically follow and keep a certain pressure to press the sealing packing 7 under the action of the spring 18. And a third outer sleeve 14 is arranged on the peripheries of the sleeve flange 8 and the gland flange 10, two ends of the third outer sleeve 14 are respectively provided with a side plate 13, and the pipe wall of the third outer sleeve 14 is provided with a temperature or pressure alarm 12. The outer diameter of the left connecting pipe 1 is smaller than the inner diameter of the first outer sleeve 2, the right end of the left connecting pipe 1 is provided with an arc-shaped horn mouth, and the left connecting pipe 1 is fixedly welded with the first outer sleeve 2 through the horn 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; 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 (7)
1. The utility model provides a self-interacting guide sleeve compensator with combined seal and alarm device, includes that left side is taken over, first outer tube, second outer tube, core pipe and right side and is 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, and a spring is arranged between the nut and the gland flange; the left side of the gland flange is provided with a pressing ring, and the pressing ring 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 self-adjusting guide sleeve compensator provided with a compound seal and alarm device of claim 1, wherein: and an elastic gasket and a flat gasket are sequentially arranged between the nut and the spring.
3. The self-adjusting guide sleeve compensator provided with a compound seal and alarm device of claim 1, wherein: and the peripheries of the sleeve flange and the gland flange are provided with third outer sleeves, two ends of each third outer sleeve are respectively provided with a side plate, and the pipe wall of each third outer sleeve is provided with a temperature or pressure alarm.
4. The self-adjusting guide sleeve compensator provided with a compound seal and alarm device 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.
5. The self-adjusting guide sleeve compensator provided with a compound seal and alarm device 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.
6. The self-adjusting guide sleeve compensator provided with a compound seal and alarm device 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.
7. The self-adjusting guide sleeve compensator provided with a compound seal and alarm device 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 |
|---|---|---|---|
| CN202123336240.3U CN216813378U (en) | 2021-12-28 | 2021-12-28 | Self-adjusting guide sleeve compensator with composite seal and alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123336240.3U CN216813378U (en) | 2021-12-28 | 2021-12-28 | Self-adjusting guide sleeve compensator with composite seal and alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216813378U true CN216813378U (en) | 2022-06-24 |
Family
ID=82056377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123336240.3U Active CN216813378U (en) | 2021-12-28 | 2021-12-28 | Self-adjusting guide sleeve compensator with composite seal and alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216813378U (en) |
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2021
- 2021-12-28 CN CN202123336240.3U patent/CN216813378U/en active Active
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