CN210344669U - Sealing enhanced sleeve compensator - Google Patents
Sealing enhanced sleeve compensator Download PDFInfo
- Publication number
- CN210344669U CN210344669U CN201920464422.2U CN201920464422U CN210344669U CN 210344669 U CN210344669 U CN 210344669U CN 201920464422 U CN201920464422 U CN 201920464422U CN 210344669 U CN210344669 U CN 210344669U
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- China
- Prior art keywords
- ring
- seal
- sleeve compensator
- flange
- outer tube
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Abstract
The utility model discloses a sealed enhancement mode sleeve compensator, the female joint comprises an outer tube, the outer tube endotheca is equipped with the core pipe, from left to right set gradually between outer tube and the core pipe and keep off ring, sealing member and clamping ring, core pipe left end portion is provided with prevents drawing and takes off the flange, prevent drawing and be provided with seal assembly between the outer anchor ring of taking off the flange and the inner wall of outer tube, the utility model discloses an add rectangle groove ring and arc groove ring, Y type sealing washer and the O type sealing washer on preventing drawing and taking off the flange and its outer anchor ring, played reinforcing axial seal structure's effect, set up antifouling section of thick bamboo, antifouling ring, be favorable to the product to avoid silt to corrode axial seal structure, also avoided the slabstone to hinder axial seal structure work, the utility model has the advantages of the leakproofness is strong, stable in structure, simple process.
Description
Technical Field
The utility model relates to sleeve compensator technical field especially indicates sleeve compensator's reinforcing sealing performance's mechanical structure.
Background
The sleeve compensator belongs to a general pipeline safety device and has the characteristics of simple structure, strong bearing capacity, small flow resistance, large compensation quantity and the like. Therefore, the method is widely applied to a heat pipe network. The sleeve compensator is arranged in a pipe network and mainly realizes the reduction or elimination of internal stress and axial force by means of the axial movement of the inner pipe relative to the outer shell. An axial sealing structure is arranged between the superposed sections of the inner pipe and the outer pipe, but in engineering application, leakage often occurs because the axial sealing structure is loosened and aged; because the pipeline device is often buried underground, the sealing structure is easily corroded underground and damaged; therefore, technical improvements to existing products are necessary.
Disclosure of Invention
An object of the utility model is to provide a sealed enhancement mode sleeve compensator.
Realize the utility model discloses the technical solution of purpose does: the sealing enhanced sleeve compensator comprises an outer pipe, wherein a core pipe is sleeved in the outer pipe, a baffle ring, a sealing element and a pressure ring are sequentially arranged between the outer pipe and the core pipe from left to right, a pull-off preventing flange is arranged at the left end of the core pipe, and a sealing assembly is arranged between the outer ring surface of the pull-off preventing flange and the inner wall of the outer pipe.
Preferably, the outer ring surface of the pull-off preventing flange is provided with a plurality of groove groups, the groove groups are sequentially and alternately a rectangular groove ring and an arc groove ring from left to right, and the sealing component is arranged in the groove groups.
Preferably, the sealing assembly comprises a plurality of groups of Y-shaped sealing rings and O-shaped sealing rings, and the Y-shaped sealing rings and the O-shaped sealing rings are alternately arranged.
Preferably, the sealing assembly comprises 2 groups of Y-shaped sealing rings and O-shaped sealing rings, and the Y-shaped sealing rings, the O-shaped sealing rings, the Y-shaped sealing rings and the O-shaped sealing rings are sequentially arranged from left to right.
Preferably, the right side of the outer tube is connected to an anti-fouling barrel, and an anti-fouling ring is arranged between the anti-fouling barrel and the core tube.
Preferably, the anti-fouling ring is fixedly connected to the core tube.
Preferably, the thickness of the anti-fouling cylinder is 1/3 of the thickness of the outer pipe.
Preferably, the seal is a flexible graphite ring.
Compared with the prior art, the utility model, it is showing the advantage: the utility model has the advantages that the anti-pulling-off flange, the rectangular groove ring and the arc groove ring on the outer ring surface of the anti-pulling-off flange, the Y-shaped sealing ring and the O-shaped sealing ring are additionally arranged, so that the axial sealing structure is enhanced, the leakage phenomenon caused by loosening and aging of the sealing structure is delayed, and the service life of the product is prolonged; the arrangement of the antifouling cylinder and the antifouling ring is beneficial to preventing the product from corroding the axial sealing structure and preventing slag stones from obstructing the work of the axial sealing structure, and the thickness of the antifouling cylinder is only 1/3 of the thickness of the outer pipe, so that the antifouling performance is ensured and the antifouling ring has better economy; when the axial expansion and contraction work of the utility model is carried out, 2 main seals are formed from the inside to the outside of the seal enhanced sleeve compensator in total by the seal piece and the seal assembly; the utility model has the advantages of strong sealing performance, stable structure, simple process, low cost, safety, reliability, etc.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of the seal-enhanced sleeve compensator of the present invention.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Detailed Description
As shown in fig. 1 and 2, a seal-enhanced sleeve compensator comprises an outer tube 1, wherein a core tube 6 is sleeved in the outer tube 1, a baffle ring 3, a sealing element 4 and a press ring 5 are sequentially arranged between the outer tube 1 and the core tube 6 from left to right, a pull-off preventing flange 2 is arranged at the left end of the core tube 6, and a sealing assembly is arranged between the outer ring surface of the pull-off preventing flange 2 and the inner wall of the outer tube 1; the outer ring surface of the anti-pull-off flange 2 is provided with 2 groups of groove groups, the groove groups are sequentially and alternately a rectangular groove ring and an arc groove ring from left to right, the sealing assembly comprises 2 groups of Y-shaped sealing rings 9 and O-shaped sealing rings 10, the Y-shaped sealing rings 9, the O-shaped sealing rings 10, the Y-shaped sealing rings 9 and the O-shaped sealing rings 10 are sequentially arranged from left to right and are all arranged in the corresponding groove groups; the right side of the outer tube 1 is connected with an antifouling cylinder 7, an antifouling ring 8 is arranged between the antifouling cylinder 7 and the core tube 6, the antifouling ring 8 is fixedly connected with the core tube 6, the antifouling cylinder 7 is 1/3 the thickness of the outer tube 1, and the sealing element 4 is a flexible graphite ring.
The utility model has the advantages that the anti-pulling-off flange 2, the rectangular groove ring and the arc groove ring on the outer ring surface of the anti-pulling-off flange, the Y-shaped sealing ring 9 and the O-shaped sealing ring 10 are additionally arranged, so that the axial sealing structure is enhanced, the leakage phenomenon caused by loosening and aging of the sealing structure is delayed, and the service life of the product is prolonged; the arrangement of the antifouling cylinder 7 and the antifouling ring 8 is beneficial to preventing the product from corroding the axial sealing structure by silt and preventing slag stones from obstructing the work of the axial sealing structure, and the antifouling cylinder 7 is only 1/3 the thickness of the outer tube 1, so that the antifouling performance is ensured and the antifouling ring has better economy; when the axial expansion and contraction work of the utility model is carried out, 2 main seals are formed from the inside to the outside of the seal enhanced sleeve compensator, wherein the seal elements 4 and the seal components are in total; the utility model has the advantages of strong sealing performance, stable structure, simple process, low cost, safety, reliability, etc.
Claims (8)
1. The sealing enhanced sleeve compensator comprises an outer pipe (1), wherein a core pipe (6) is sleeved in the outer pipe (1), a baffle ring (3), a sealing element (4) and a pressing ring (5) are sequentially arranged between the outer pipe (1) and the core pipe (6) from left to right, and the sealing enhanced sleeve compensator is characterized in that a pull-off preventing flange (2) is arranged at the left end of the core pipe (6), and a sealing assembly is arranged between the outer ring surface of the pull-off preventing flange (2) and the inner wall of the outer pipe (1).
2. The seal-enhanced sleeve compensator of claim 1, wherein the pull-off prevention flange (2) is provided with a plurality of groove sets on the outer circumferential surface, the groove sets are alternately a rectangular groove ring and an arc groove ring from left to right, and the seal assembly is arranged in the groove sets.
3. The seal-enhanced sleeve compensator of claim 1, wherein the seal assembly comprises a plurality of sets of Y-seals (9) and O-seals (10), and the Y-seals (9) and O-seals (10) are alternately disposed.
4. A seal-enhanced sleeve compensator according to claim 1, 2 or 3, wherein the seal assembly comprises 2 sets of Y-shaped seal rings (9) and O-shaped seal rings (10), and the Y-shaped seal rings (9), the O-shaped seal rings (10), the Y-shaped seal rings (9) and the O-shaped seal rings (10) are arranged in sequence from left to right.
5. Seal-enhanced sleeve compensator according to claim 1 or 2 or 3, characterized by the outer tube (1) being connected to a dirt-repellent cylinder (7) on its right side, a dirt-repellent ring (8) being arranged between the dirt-repellent cylinder (7) and the core tube (6).
6. Seal-enhanced sleeve compensator according to claim 5, characterized by the antifouling ring (8) being fixedly connected to the core tube (6).
7. The seal-enhanced sleeve compensator of claim 5, wherein the dirt-repellent cylinder (7) has a thickness of 1/3 times the thickness of the outer tube (1).
8. The seal-enhanced sleeve compensator of claim 1, wherein the seal (4) is a flexible graphite ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920464422.2U CN210344669U (en) | 2019-04-08 | 2019-04-08 | Sealing enhanced sleeve compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920464422.2U CN210344669U (en) | 2019-04-08 | 2019-04-08 | Sealing enhanced sleeve compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210344669U true CN210344669U (en) | 2020-04-17 |
Family
ID=70179769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920464422.2U Active CN210344669U (en) | 2019-04-08 | 2019-04-08 | Sealing enhanced sleeve compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210344669U (en) |
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2019
- 2019-04-08 CN CN201920464422.2U patent/CN210344669U/en active Active
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