CN202349497U - Large-deflection loose tube compensation joint - Google Patents
Large-deflection loose tube compensation joint Download PDFInfo
- Publication number
- CN202349497U CN202349497U CN2011204845973U CN201120484597U CN202349497U CN 202349497 U CN202349497 U CN 202349497U CN 2011204845973 U CN2011204845973 U CN 2011204845973U CN 201120484597 U CN201120484597 U CN 201120484597U CN 202349497 U CN202349497 U CN 202349497U
- Authority
- CN
- China
- Prior art keywords
- gland
- ring
- outer end
- conical surface
- seal ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The utility model discloses a large-deflection loose tube compensation joint, comprising a body of a cylinder structure and two short tubes, wherein the two short tubes are inserted into the body at an interval, two ends of the body are provided with connection flanges, check rings which are sheathed on the short tubes are respectively arranged between the body and the two short tubes in a supporting manner, and the check rings are respectively arranged at the two ends of the body, sealing rings which are sheathed on the short tubes are respectively arranged on the outer end surface of the check rings in a propping manner, glands in force fit with the corresponding sealing rings are respectively sheathed on the short tubes and are fixedly connected with corresponding connection flanges through bolts respectively, the outer end surface of each sealing ring is a conical surface of which the reduced opening is opposite to the body, the inner wall of each gland is provided with another conical surface in press-fit with the conical surface of each sealing ring, and the conical surfaces of the glands extend into the outer end surfaces of the glands. When a compaction force is applied to the glands through the bolts, a continuous pre-tightening force is applied to the short tubes and the check rings respectively through the sealing rings, thus a sealing effect of the compensation joint is improved, and the structure of the compensation joint is simple.
Description
Technical field
The utility model relates to a kind of compensation of pipeline device, is specifically related to a kind of large deflection compensating joint.
Background technique
Present pipe-line system such as gas pipe line, water supply line, oil transport pipeline etc. are in process of deployment; Often to consider serious owing to surface subsidence, vibrations are big, with a varied topography and seasonal variations, the day and night temperature difference influence that causes the pipeline deflection and expand with heat and contract with cold pipeline is produced greatly, to remedy the axial displacement and the amount of deflection of pipeline eccentric so compensation device must be set on the pipeline.
Chinese patent CN101694257A discloses a kind of large deflection loose tube compensation joint; The body that comprises tubular structure, body internal clearance are inserted with the short tube that two outer ends have mounting flange, support being provided with back-up ring between body and two short tubes respectively; Be top-loaded with the seal ring that is sheathed on the short tube respectively on the outer end end face of back-up ring; Be arranged with the gland with each self-corresponding seal ring compression fit on the said short tube respectively, offer on the inwall of gland and annular breach that seal ring coincide and cooperates, the short tube outer wall is produced lasting pretightening force in order to guarantee seal ring; On the inner end face of seal ring, offer annular groove; Be pressed with Stamping Steel Ribbon in the annular groove, on the outer wall of two short tubes, be fixed with limiting stopper near inner end positions separately, limiting stopper is used to prevent that short tube from pulling.The compensating joint of this structure need guarantee the pretightening force of seal ring to short tube by the active force of Stamping Steel Ribbon, and to reach better sealing effect, still need in seal ring, offer annular groove is used to install Stamping Steel Ribbon, troublesome poeration, and also structure is also complicated; In addition, back-up ring and body end face top dress in order to guarantee the sealing between body and the back-up ring, also will be provided with Stamping Steel Ribbon between the adpting flange of body and the gland, cause bolt can not regulate the impacting force that gland does not apply seal ring.
The model utility content
The purpose of the utility model provides a kind of good sealing effect and large deflection loose tube compensation joint simple in structure.
The utility model adopts following technological scheme: a kind of large deflection loose tube compensation joint; The body and the gap that comprise tubular structure are inserted in intrinsic two short tubes; The two ends of body have adpting flange; The place, two ends that is positioned at body between said body and two short tubes supports respectively and is provided with the back-up ring that is sheathed on the short tube, is top-loaded with the seal ring that is sheathed on the short tube respectively on the outer end end face of back-up ring, is arranged with the gland with each self-corresponding seal ring compression fit on the said short tube respectively; Said gland is connected through bolt and each self-corresponding adpting flange respectively; The outer end end face of said seal ring is the reducing conical surface of body dorsad, and the inwall of said gland has the conical surface that coincide and be press-fitted with the conical surface of corresponding seal ring separately, and the conical surface of gland extends to the outer end end face of gland.
Said back-up ring is wholely set with each self-corresponding adpting flange respectively.
Has the gap of compressing between the adpting flange of said gland and body.
Offer the annular groove that distributes along its spaced radial on the outer end end face of said back-up ring, be embedded with the Stamping Steel Ribbon of protrusion seal ring outer end end face in each annular groove.
Adopt the large deflection loose tube compensation joint of said structure; Because the outer end end face of seal ring is the reducing conical surface of body dorsad, the inwall of gland has the conical surface that coincide and be press-fitted for the conical surface with seal ring, and the conical surface of gland extends to its outer end end face; When gland being applied impacting force through bolt; Seal ring has applied the pretightening force that continues respectively to short tube and back-up ring, has improved the sealing effect of compensating joint, and simple in structure.
In addition, back-up ring and adpting flange are wholely set, and therefore need not consider the sealing between back-up ring and the body, can leave the pretension gap between gland and the adpting flange like this, thereby the adjustment gland is to the impacting force of seal ring.
Description of drawings
Fig. 1 is the example structure schematic representation of the utility model.
Embodiment
The embodiment of the large deflection loose tube compensation joint of the utility model: as shown in Figure 1; The body 6 that comprises tubular structure; The two ends of body 6 are fixed with adpting flange 7 respectively; Being inserted with two outer ends at body 6 internal clearances has on the tube wall of 1, two short tube 1 of short tube of mounting flange 10 near inner end positions place separately and is fixed with limiting stopper 5.Support respectively between said body 6 and two short tubes 1 and be provided with the back-up ring 8 that is sheathed on the corresponding separately short tube 1; Two back-up rings 8 lay respectively at the place, two ends of body 6 and are wholely set with each self-corresponding adpting flange 7; Back-up ring 8 also can be fixing with body 6 welding; In order to guarantee the sealing between short tube 1 and the back-up ring 8, be top-loaded with the seal ring 2 that is sheathed on respectively on the corresponding separately short tube 1 on the outer end end face of back-up ring 8, the cross section of said seal ring 2 is interior big outer little trapezium structure; Therefore, the outer end end face of seal ring 2 is the reducing conical surface of body 6 dorsad.Also be arranged with gland 3 on the short tube 1 respectively with the conical surface compression fit of seal ring 2; The conical surface that the inwall of gland 3 coincide and is press-fitted for the conical surface with seal ring 2; This conical surface extends to the outer end end face of gland 3, and has the gap of compressing between gland 3 and each the self-corresponding adpting flange 7, and said gland 3 is fixedly connected with each self-corresponding adpting flange 7 through bolt 9; Compress gap, the impacting force that can regulate 3 pairs of seal rings 2 of gland through bolt 9 adjustings.
On the end face of the outer end of back-up ring 8, offer annular groove radially spaced apart; Be embedded with the Stamping Steel Ribbon 4 of protrusion back-up ring 8 outer end end faces in the annular groove; When 3 pairs of seal rings 2 of gland applied impacting force, Stamping Steel Ribbon 4 and seal ring 2 compression fit made sealing effect better.
In other embodiments, back-up ring and adpting flange also can adopt of the prior art minute body structure, but in order to guarantee the sealing between back-up ring and the body, between gland and the adpting flange Stamping Steel Ribbon need be set.
When the foregoing description was specifically used, string was contained on the pipeline of pipe-line system, and was connected with pipeline through mounting flange 10, the axial displacement that short tube 1 moving axially in body 6 can extraction duct, and the angular displacement of short tube 1 can absorb the amount of deflection off-centre of several angle.Regulate the gap that compresses between gland 3 and the adpting flange 7 through bolt 9, rely on the conical surface of seal ring 2 and gland 3 simultaneously, make 2 pairs of short tubes of seal ring 1 and back-up ring 8 apply lasting pretightening force, thereby guarantee the sealing between body 6 and the short tube 1.
Claims (4)
1. large deflection loose tube compensation joint; The body and the gap that comprise tubular structure are inserted in intrinsic two short tubes; The two ends of body have adpting flange; The place, two ends that is positioned at body between said body and two short tubes supports respectively and is provided with the back-up ring that is sheathed on the short tube, is top-loaded with the seal ring that is sheathed on the short tube respectively on the outer end end face of back-up ring, is arranged with the gland with each self-corresponding seal ring compression fit on the said short tube respectively; Said gland is connected through bolt and each self-corresponding adpting flange respectively; It is characterized in that: the outer end end face of said seal ring is the reducing conical surface of body dorsad, and the inwall of said gland has the conical surface that coincide and be press-fitted with the conical surface of corresponding seal ring separately, and the conical surface of gland extends to the outer end end face of gland.
2. large deflection loose tube compensation joint according to claim 1 is characterized in that: said back-up ring is wholely set with each self-corresponding adpting flange respectively.
3. large deflection loose tube compensation joint according to claim 2 is characterized in that: have the gap of compressing between the adpting flange of said gland and body.
4. according to any described large deflection loose tube compensation joint of claim 1-3; It is characterized in that: offer the annular groove that distributes along its spaced radial on the outer end end face of said back-up ring, be embedded with the Stamping Steel Ribbon of protrusion seal ring outer end end face in each annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204845973U CN202349497U (en) | 2011-11-29 | 2011-11-29 | Large-deflection loose tube compensation joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204845973U CN202349497U (en) | 2011-11-29 | 2011-11-29 | Large-deflection loose tube compensation joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202349497U true CN202349497U (en) | 2012-07-25 |
Family
ID=46538504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204845973U Expired - Fee Related CN202349497U (en) | 2011-11-29 | 2011-11-29 | Large-deflection loose tube compensation joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202349497U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943938A (en) * | 2012-11-27 | 2013-02-27 | 中国船舶重工集团公司第七一○研究所 | Adaptive floating seal mechanism |
| CN108548036A (en) * | 2018-05-28 | 2018-09-18 | 王惠俊 | Whirl compensator sealing shroud fastening structure |
| CN110388472A (en) * | 2019-07-08 | 2019-10-29 | 英诺威阀业有限公司 | Flexible butterfly valve |
| CN110410595A (en) * | 2019-07-25 | 2019-11-05 | 湖北省水利水电规划勘测设计院 | A kind of pine set power transmission insulating flange and its surface crack detection method |
-
2011
- 2011-11-29 CN CN2011204845973U patent/CN202349497U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943938A (en) * | 2012-11-27 | 2013-02-27 | 中国船舶重工集团公司第七一○研究所 | Adaptive floating seal mechanism |
| CN108548036A (en) * | 2018-05-28 | 2018-09-18 | 王惠俊 | Whirl compensator sealing shroud fastening structure |
| CN110388472A (en) * | 2019-07-08 | 2019-10-29 | 英诺威阀业有限公司 | Flexible butterfly valve |
| CN110410595A (en) * | 2019-07-25 | 2019-11-05 | 湖北省水利水电规划勘测设计院 | A kind of pine set power transmission insulating flange and its surface crack detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202349497U (en) | Large-deflection loose tube compensation joint | |
| CN201757231U (en) | Ultrahigh-pressure pipe joint structure | |
| CN202100885U (en) | Double-seal large-deflection compensation joint | |
| CN104368956B (en) | Diesel engine crankshaft coupling installation tool and method | |
| CN202349458U (en) | Large-deflection compensation joint | |
| CN105840931A (en) | Flexible connector for British standard pipe of low-pressure fluid conveying system | |
| CN202349459U (en) | Large-deflection loose compensation joint | |
| CN101994886A (en) | Integral insulating joint | |
| CN100587305C (en) | Pipe joint device by flange | |
| CN202561321U (en) | Anti-explosion high-pressure-resistant self-sealing rotating compensator with adjustable ring surface seal | |
| CN201715149U (en) | Large-deflection loose tube spherical compensating joint | |
| CN202100856U (en) | Double-sealing spherical compensation connector | |
| CN204366371U (en) | Crankshaft of diesel engine shaft coupling mounting tool | |
| CN202349452U (en) | Spherical compensation joint | |
| CN201416724Y (en) | Internal pressure self-sealing rotary pipe connector | |
| CN103162029A (en) | Pipe connector of anchor ear type quick-change pipeline | |
| CN205065156U (en) | Telescopic joint | |
| CN104110543A (en) | Rotation compensator | |
| CN214618448U (en) | Large-deflection loose sleeve compensation joint | |
| CN2903622Y (en) | Direct-buried casing compensating device | |
| CN102313095A (en) | Large-deflection loose spherical compensation joint | |
| CN201293168Y (en) | Directly-burying and exempt- maintaining one-way sleeve compensator | |
| CN217328983U (en) | Large-deflection loose sleeve compensation joint | |
| CN101576184B (en) | Internal pressure self-sealing swivel joint | |
| CN201680091U (en) | Large-deflection loose tub compensating joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150929 Address after: 450041 No. 20, Longjiang Road, Zhengzhou District, Henan Patentee after: Zhengzhou Zhonghai Environmental Protection Technology Co., Ltd. Address before: Yang Dong Cheng Guan Xiang Xingyang city 450199 Henan city of Zhengzhou Province Patentee before: Beijing Zhonghaiwei Environment Engineering Co., Ltd. Xingyang Manufacturing Branch |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20191129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |