CN103398251B - A kind of seal for pipe joints bindiny mechanism - Google Patents
A kind of seal for pipe joints bindiny mechanism Download PDFInfo
- Publication number
- CN103398251B CN103398251B CN201310332608.XA CN201310332608A CN103398251B CN 103398251 B CN103398251 B CN 103398251B CN 201310332608 A CN201310332608 A CN 201310332608A CN 103398251 B CN103398251 B CN 103398251B
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- China
- Prior art keywords
- flanges
- coupling sleeve
- flange
- back segment
- seal
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- Expired - Fee Related
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Abstract
The invention discloses a kind of seal for pipe joints bindiny mechanism, comprise two pipelines of connection to be sealed, and correspondence is fixedly connected on a flange and No. two flanges of two pipe ends, also comprise coupling sleeve, the front end of coupling sleeve is set with taper successively, No. three flanges and No. four flanges, the inner chamber radius of a flange back segment increases gradually, the exterior radius of taper leading portion increases gradually and matches with a flange back segment cavity shape, the leading portion of taper stretches in a flange, No. four flanges are fixedly connected with coupling sleeve, a flange, No. three flanges are connected by bolt with No. four flanges, the back segment of coupling sleeve is provided with No. five flanges.The rearward end of coupling sleeve is stretched out at the rear of No. five flanges, and the rearward end of coupling sleeve is closely against on the front-end face of No. two flanges, and No. five flanges are connected by bolt with No. two flanges.The present invention compared with prior art sealability gives prominence to, and structure is simple, and installation and removal are convenient.
Description
Technical field
The invention belongs to mechanical equipment technical field, be specifically related to a kind of seal for pipe joints bindiny mechanism.
Background technique
In prior art, the connection normally Flange joint of pipeline enclosure, but the poor sealing of common Flange joint, especially can not meet and require that high industry is to the requirement of equipment to sealing for tubing joints.During exchange as cold and hot in temperature single crystal silicon on monocrystalline silicon production production line, pipeline on the heat exchanger used connects, this equipment requirement is when liquid silicon flows into the inner tube of heat exchanging tube, substantially realize No leakage between heat exchanging tube and end socket pipeline, but the bolt connecting mode of common two-piece type flange plate cannot meet sealing requirement.
Summary of the invention
The object of this invention is to provide a kind of seal for pipe joints bindiny mechanism, compared with prior art sealability is given prominence to, and structure is simple, and installation and removal are convenient.
The technical solution adopted in the present invention is, a kind of seal for pipe joints bindiny mechanism, comprise the first pipeline and the second pipe of connection to be sealed, one end of first pipeline is fixedly connected with a flange, the respective end of second pipe is fixedly connected with No. two flanges, also comprise the coupling sleeve be arranged between a flange and No. two flanges, the front end of coupling sleeve is closely set with taper from front to back successively, No. three flanges and No. four flanges, the inner chamber radius of a flange back segment increases gradually, the exterior radius of taper leading portion increases gradually and matches with a flange back segment cavity shape, the leading portion of taper stretches in a flange, No. four flanges are fixedly connected with coupling sleeve, a flange, No. three flanges are connected by bolt with No. four flanges, the back segment of coupling sleeve is provided with No. five flanges, the rearward end of coupling sleeve is stretched out at the rear of No. five flanges, and the rearward end of coupling sleeve is closely against on the front-end face of No. two flanges, No. five flanges are connected by bolt with No. two flanges.
Further, a flange intracavity posterior end has chamfering, and the back segment outer wall of taper is identical with a flange intracavity posterior end chamfer angle with the angle that horizontal plane is formed.
Further, conical pipe is fixedly connected with No. three flanges.
Further, No. four flanges are for longitudinally cutting formula two halves structure open.
Further, the front-end face of No. two flanges has circular groove, the rearward end of coupling sleeve is positioned at circular groove.
Further, No. two are provided with sealing gasket between flange and the rearward end of coupling sleeve.
Further, coupling sleeve inner chamber back segment has a planar support wall, planar support wall and coupling sleeve central axis perpendicular and have through hole, quantity, the size of through hole are corresponding with the internal pipeline be laid in described first pipeline with position.
Further, the leading portion of coupling sleeve has the first circular groove, and No. four flanges are installed in the first circular groove.
Further, the back segment of coupling sleeve has the second circular groove, and the back segment of No. five flanges has annular slot, is inlaid with limited location snap ring in the annular slot of the second circular groove of coupling sleeve and No. five flanges.
The invention has the beneficial effects as follows, by arranging coupling sleeve between the first pipeline and second pipe, sealing on coupling sleeve and between the first pipeline, by the cooperation of taper faying surface between taper and a flange, reaches the effect that inclusion seal connects; Sealing between coupling sleeve and second pipe, is realized by the cooperation of the circular groove of coupling sleeve rearward end and No. two flanges.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of seal for pipe joints bindiny mechanism of the present invention;
Fig. 2 is the partial enlarged drawing of Fig. 1.
Embodiment
As depicted in figs. 1 and 2, a kind of seal for pipe joints bindiny mechanism of the present invention, comprise the first pipeline and the second pipe of connection to be sealed, the connecting end of the first pipeline is fixedly connected with a flange 1, and the corresponding connecting end of second pipe is fixedly connected with No. two flanges 8.The present embodiment is when being applicable to the cold and hot exchange of temperature single crystal silicon on monocrystalline silicon production production line, pipeline on the heat exchanger used connects, first pipe interior is full of cooling medium, second pipe inside is full of temperature single crystal silicon medium to be cooled, operationally, medium to be cooled flows into from second pipe, and enters the internal pipeline 9 being laid in the first pipe interior, and internal pipeline 9 is heat exchanging tube.
The present invention is provided with coupling sleeve 5 between a flange 1 and No. two flanges 8.The front end of coupling sleeve 5 is closely set with taper 2, No. three flanges 3 and No. four flanges 4 from front to back successively, the inner chamber radius of flange 1 back segment increases gradually, the exterior radius of taper 2 leading portion increases gradually and matches with a flange 1 back segment cavity shape, and the leading portion of taper 2 stretches in a flange 1; In order to strengthen the sealing between taper 2 and a flange 1 further, flange 1 intracavity posterior end has chamfering, and now, a flange 1 inner chamber back segment is just two-part structure; Corresponding, taper 2 is also two-part structure, and the back segment outer wall of taper 2 is identical with a flange 2 intracavity posterior end chamfer angle with the angle that horizontal plane is formed.
No. four flanges 4 are for longitudinally cutting formula two halves structure open.No. four flanges 4 are fixedly connected with coupling sleeve 5, and concrete Placement is: the leading portion of coupling sleeve 5 has the first circular groove, and No. four flanges 4 are installed in the first circular groove.
The back segment of coupling sleeve 5 is provided with No. five flanges 6, concrete Placement is: the back segment of coupling sleeve 5 has the second circular groove, the back segment of No. five flanges 6 has annular slot, is inlaid with limited location snap ring 7 in the annular slot of the second circular groove of coupling sleeve 5 and No. five flanges 6.
The rearward end of coupling sleeve 5 is stretched out at the rear of No. five flanges 6, and the rearward end of coupling sleeve 5 is closely against on the front-end face of No. two flanges 8.In order to realize accurate positioning between coupling sleeve 5 and No. two flanges 8 further and sealing good, the front-end face of No. two flanges 8 has circular groove, the rearward end of coupling sleeve 5 is positioned at circular groove, and is provided with sealing gasket between circular groove and the rearward end of coupling sleeve 5.
In order to when the present invention connects, location prepares, and realize the convenience of installation and removal, conical pipe 2 is fixedly connected with No. three flanges 3.
A flange 1, No. three flanges 3 are connected by bolt with No. four flanges 4, and now, a flange 1 back segment inner chamber and taper 2 leading portion closely cooperate mutually.No. five flanges 6 are connected by bolt with No. two flanges 8.
In this embodiment, in order to ensure the stability of internal pipeline 9, coupling sleeve 5 inner chamber has a planar support wall, planar support wall and coupling sleeve 5 central axis perpendicular and have through hole, quantity, the size of through hole are identical with the internal pipeline 9 be laid in the first pipeline with position.
Claims (6)
1. a seal for pipe joints bindiny mechanism, comprise the first pipeline and the second pipe of connection to be sealed, one end of described first pipeline is fixedly connected with a flange (1), the respective end of described second pipe is fixedly connected with No. two flanges (8), it is characterized in that, also comprise the coupling sleeve (5) be arranged between a described flange (1) and No. two flanges (8), described coupling sleeve (5) inner chamber back segment has a planar support wall, described planar support wall and coupling sleeve (5) central axis perpendicular and have through hole, the quantity of described through hole, size and position corresponding with the internal pipeline (9) be laid in described first pipeline, the front end of described coupling sleeve (5) is closely set with taper (2) from front to back successively, No. three flanges (3) and No. four flanges (4), the inner chamber radius of described flange (1) back segment increases gradually, the exterior radius of described taper (2) leading portion increases gradually and matches with flange (1) back segment cavity shape, described flange (1) intracavity posterior end has chamfering, the back segment outer wall of described taper (2) is identical with flange (1) intracavity posterior end chamfer angle with the angle that horizontal plane is formed, the leading portion of described taper (2) stretches in a described flange (1), described taper (2) is fixedly connected with No. three flanges (3), described No. four flanges (4) are fixedly connected with coupling sleeve (5), a described flange (1), No. three flanges (3) are connected by bolt with No. four flanges (4), the back segment of described coupling sleeve (5) is provided with No. five flanges (6), the rearward end of described coupling sleeve (5) is stretched out at the rear of described No. five flanges (6), and the rearward end of described coupling sleeve (5) is closely against on the front-end face of No. two flanges (8), described No. five flanges (6) are connected by bolt with No. two flanges (8).
2. according to seal for pipe joints bindiny mechanism described in claim 1, it is characterized in that, described No. four flanges (4) are for longitudinally cutting formula two halves structure open.
3. according to seal for pipe joints bindiny mechanism described in claim 1, it is characterized in that, the front-end face of described No. two flanges (8) has circular groove, and the rearward end of described coupling sleeve (5) is positioned at described circular groove.
4. according to seal for pipe joints bindiny mechanism described in claim 3, it is characterized in that, between described No. two flanges (8) and the rearward end of coupling sleeve (5), be provided with sealing gasket.
5. according to seal for pipe joints bindiny mechanism described in claim 2, it is characterized in that, the leading portion of described coupling sleeve (5) has the first circular groove, and described No. four flanges (4) are installed in described first circular groove.
6. according to seal for pipe joints bindiny mechanism described in claim 1, it is characterized in that, the back segment of described coupling sleeve (5) has the second circular groove, the back segment of described No. five flanges (6) has annular slot, is inlaid with limited location snap ring (7) in the second circular groove of described coupling sleeve (5) and the annular slot of No. five flanges (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310332608.XA CN103398251B (en) | 2013-08-01 | 2013-08-01 | A kind of seal for pipe joints bindiny mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310332608.XA CN103398251B (en) | 2013-08-01 | 2013-08-01 | A kind of seal for pipe joints bindiny mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103398251A CN103398251A (en) | 2013-11-20 |
| CN103398251B true CN103398251B (en) | 2015-11-25 |
Family
ID=49561934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310332608.XA Expired - Fee Related CN103398251B (en) | 2013-08-01 | 2013-08-01 | A kind of seal for pipe joints bindiny mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103398251B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4702310A (en) * | 1983-07-29 | 1987-10-27 | Bas-Tex Corporation | Closure connection |
| US5823251A (en) * | 1996-01-26 | 1998-10-20 | Piscine Service Anjou Sa | Heat exchanger |
| JP2003207064A (en) * | 2002-01-11 | 2003-07-25 | Kubota Corp | Cylindrical stand for underground embedded valve |
| CN201425438Y (en) * | 2009-04-24 | 2010-03-17 | 合肥通用机械研究院 | Sleeve type heat-exchanger |
| CN201661789U (en) * | 2009-11-26 | 2010-12-01 | 张明亮 | Flange fixing device |
| JP2011220443A (en) * | 2010-04-09 | 2011-11-04 | Hitachi Metals Ltd | Pipe joint for multilayer pipe |
| CN102606821A (en) * | 2012-03-27 | 2012-07-25 | 航天晨光股份有限公司 | Flange joint of vacuum heat-insulation low-temperature pipeline |
| CN202392324U (en) * | 2011-11-25 | 2012-08-22 | 湖南湘电长沙水泵有限公司 | Rigidly telescopic installation nipple |
| CN203375027U (en) * | 2013-08-01 | 2014-01-01 | 陕西北方石化设备制造有限公司 | Pipeline sealing connecting mechanism |
-
2013
- 2013-08-01 CN CN201310332608.XA patent/CN103398251B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4702310A (en) * | 1983-07-29 | 1987-10-27 | Bas-Tex Corporation | Closure connection |
| US5823251A (en) * | 1996-01-26 | 1998-10-20 | Piscine Service Anjou Sa | Heat exchanger |
| JP2003207064A (en) * | 2002-01-11 | 2003-07-25 | Kubota Corp | Cylindrical stand for underground embedded valve |
| CN201425438Y (en) * | 2009-04-24 | 2010-03-17 | 合肥通用机械研究院 | Sleeve type heat-exchanger |
| CN201661789U (en) * | 2009-11-26 | 2010-12-01 | 张明亮 | Flange fixing device |
| JP2011220443A (en) * | 2010-04-09 | 2011-11-04 | Hitachi Metals Ltd | Pipe joint for multilayer pipe |
| CN202392324U (en) * | 2011-11-25 | 2012-08-22 | 湖南湘电长沙水泵有限公司 | Rigidly telescopic installation nipple |
| CN102606821A (en) * | 2012-03-27 | 2012-07-25 | 航天晨光股份有限公司 | Flange joint of vacuum heat-insulation low-temperature pipeline |
| CN203375027U (en) * | 2013-08-01 | 2014-01-01 | 陕西北方石化设备制造有限公司 | Pipeline sealing connecting mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103398251A (en) | 2013-11-20 |
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Granted publication date: 20151125 Termination date: 20160801 |
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| CF01 | Termination of patent right due to non-payment of annual fee |