CN203375027U - Pipeline sealing connecting mechanism - Google Patents
Pipeline sealing connecting mechanism Download PDFInfo
- Publication number
- CN203375027U CN203375027U CN201320468207.2U CN201320468207U CN203375027U CN 203375027 U CN203375027 U CN 203375027U CN 201320468207 U CN201320468207 U CN 201320468207U CN 203375027 U CN203375027 U CN 203375027U
- Authority
- CN
- China
- Prior art keywords
- flange
- flanges
- coupling sleeve
- bindiny mechanism
- back segment
- 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
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Abstract
The utility model discloses a pipeline sealing connecting mechanism which comprises two pipelines to be connected in a sealed mode, a first flange, a second flange and a connecting sleeve, wherein the first flange and the second flange are correspondingly and fixedly connected to the ends of the two pipelines, the front end of the connecting sleeve is sequentially provided with a conical sleeve, a third flange and a fourth flange in a sleeved mode, the radius of an inner cavity of the back section of the first flange is gradually increased, the radius of the outer wall of the front section of the conical sleeve is gradually increased, the front section of the conical sleeve is matched with the inner cavity of the back section of the first flange in shape, the front section of the conical sleeve stretches into the first flange, the fourth flange is fixedly connected with the connecting sleeve, the first flange, the third flange and the fourth flange are connected through bolts, and the back section of the connecting sleeve is provided with a fifth flange. The back end of the connecting sleeve stretches to the back portion of the fifth flange, the back end of the connecting sleeve tightly abuts against the front end face of the second flange, and the fifth flange and the second flange are connected through a bolt. Compared with the prior art, the pipeline sealing connecting mechanism is outstanding in performance, simple in structure and convenient to install and disassemble.
Description
Technical field
The utility model belongs to mechanical equipment technical field, is specifically related to a kind of seal for pipe joints bindiny mechanism.
Background technique
In prior art, the connection of pipeline enclosure normally flange connects, but the poor sealing that common flange connects especially can not meet the requirement of the industry high to the sealing for tubing joints requirement to equipment.As on the monocrystalline silicon production production line during the cold and hot exchange of temperature single crystal silicon, pipeline on the heat exchanger used connects, when this equipment requirement flows into the inner tube of heat exchanging tube in liquid silicon, the basic realization without leaking between heat exchanging tube and end socket pipeline, but the bolt connecting mode of common two-piece type flange plate can't meet the sealing requirement.
The model utility content
The purpose of this utility model is to provide a kind of seal for pipe joints bindiny mechanism, and compared with prior art sealability is outstanding, and simple in structure, and installation and removal are convenient.
The technological scheme that the utility model adopts is, a kind of seal for pipe joints bindiny mechanism, the first pipeline and the second pipe that comprise connection to be sealed, one end of the first pipeline is fixedly connected with flange No. one, the respective ends of second pipe is fixedly connected with flange No. two, also comprise the coupling sleeve be arranged between flange and No. two flanges, the front end of coupling sleeve closely is 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 flange, No. four flange is fixedly connected with coupling sleeve, a flange, No. three flange is connected by bolt with No. four flanges, the back segment of coupling sleeve is equipped with flange No. five, the rearward end of coupling sleeve is stretched out the rear at No. five flanges, and the rearward end of coupling sleeve closely is against on the front-end face of No. two flanges, No. five flange is connected by bolt with No. two flanges.
Further, No. one the 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 forms.
Further, conical pipe is fixedly connected with No. three flanges.
Further, No. four flanges are for vertically cutting formula two halves structure open.
Further, on the front-end face of No. two flanges, have circular groove, the rearward end of coupling sleeve is positioned at circular groove.
Further, be provided with sealing gasket between the rearward end of No. two flanges and coupling sleeve.
Further, coupling sleeve inner chamber back segment has a planar support wall, and planar support wall and coupling sleeve central axis are perpendicular and have through hole, and the quantity of through hole, size and position are corresponding with the internal pipeline in being laid in described the first pipeline.
Further, the leading portion of coupling sleeve has the first circular groove, and No. four flange is 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, in the second circular groove of coupling sleeve and the annular slot of No. five flanges, is inlaid with limited location snap ring.
The beneficial effects of the utility model are, by between the first pipeline and second pipe, coupling sleeve being set, on coupling sleeve and the sealing between the first pipeline, by the cooperation of taper faying surface between taper and a flange, reach the effect that inclusion seal connects; Sealing between coupling sleeve and second pipe, the cooperation of the circular groove by coupling sleeve rearward end and No. two flanges realizes.
The accompanying drawing explanation
Fig. 1 is the structural representation of a kind of seal for pipe joints of the utility model bindiny mechanism;
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 of the utility model bindiny mechanism, comprise the first pipeline and the second pipe of connection to be sealed, and the connecting end of the first pipeline is fixedly connected with flange 1 No. one, and the corresponding connecting end of second pipe is fixedly connected with flange 8 No. two.The present embodiment is while being applicable on the monocrystalline silicon production production line the cold and hot exchange of temperature single crystal silicon, pipeline on the heat exchanger used connects, the first pipe interior is full of cooling medium, second pipe inside is full of temperature single crystal silicon medium to be cooled, when work, medium to be cooled flows into from second pipe, and enters the internal pipeline 9 that is laid in the first pipe interior, and internal pipeline 9 is heat exchanging tube.
The utility model is provided with coupling sleeve 5 between a flange 1 and No. two flanges 8.The front end of coupling sleeve 5 closely is 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 portions increases gradually and matches with flange 1 a back segment cavity shape, and the leading portion of taper 2 stretches in flange 1; In order further to strengthen the sealing between taper 2 and flange 1, No. one flange 1 intracavity posterior end has chamfering, and now, No. one flange 1 inner chamber back segment is just the two-part structure; Corresponding, taper 2 is also the two-part structure, the back segment outer wall of taper 2 is identical with flange 2 intracavity posterior end chamfer angles with the angle that horizontal plane forms.
No. four flanges 4 are for vertically cutting formula two halves structure open.No. four flange 4 is 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 flange 4 is installed in the first circular groove.
The back segment of coupling sleeve 5 is equipped with flange 6 No. five, 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, in the second circular groove of coupling sleeve 5 and the annular slot of No. five flanges 6, is inlaid with limited location snap ring 7.
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 closely is against on the front-end face of No. two flanges 8.Good in order further to realize accurate positioning and sealing between coupling sleeve 5 and No. two flanges 8, have circular groove on the front-end face of No. two flanges 8, the rearward end of coupling sleeve 5 is positioned at circular groove, and is provided with sealing gasket between the rearward end of circular groove and coupling sleeve 5.
While connecting for the utility model, prepare location, and the convenience that realizes installation and removal, and conical pipe 2 is fixedly connected with No. three flanges 3.
In this embodiment, in order to guarantee the stability of internal pipeline 9, coupling sleeve 5 inner chambers have a planar support wall, and planar support wall and coupling sleeve 5 central axis are perpendicular and have through hole, and the quantity of through hole, size and position are identical with the internal pipeline 9 in being laid on the first pipeline.
Claims (9)
1. a seal for pipe joints bindiny mechanism, the first pipeline and the second pipe that comprise connection to be sealed, one end of described the first pipeline is fixedly connected with a flange (1), the respective ends 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), the front end of described coupling sleeve (5) closely is set with taper (2) from front to back successively, No. three flanges (3) and No. four flanges (4), the inner chamber radius of a described flange (1) back segment increases gradually, the exterior radius of described taper (2) leading portion increases gradually and matches with a flange (1) back segment cavity shape, the leading portion of described taper (2) stretches in a described flange (1), 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 equipped with No. five flanges (6), the rearward end of described coupling sleeve (5) is stretched out the rear at described No. five flanges (6), and the rearward end of described coupling sleeve (5) closely is 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 the described seal for pipe joints of claim 1 bindiny mechanism, it is characterized in that, a described flange (1) intracavity posterior end has chamfering, and the back segment outer wall of described taper (2) is identical with a flange (2) intracavity posterior end chamfer angle with the angle that horizontal plane forms.
3. according to the described seal for pipe joints of claim 1 or 2 bindiny mechanism, it is characterized in that, described conical pipe (2) is fixedly connected with No. three flanges (3).
4. according to the described seal for pipe joints of claim 1 or 2 bindiny mechanism, it is characterized in that, described No. four flanges (4) are for vertically cutting formula two halves structure open.
5. according to the described seal for pipe joints of claim 1 or 2 bindiny mechanism, it is characterized in that, have circular groove on the front-end face of described No. two flanges (8), the rearward end of described coupling sleeve (5) is positioned at described circular groove.
6. according to the described seal for pipe joints of claim 5 bindiny mechanism, it is characterized in that, between the rearward end of described No. two flanges (8) and coupling sleeve (5), be provided with sealing gasket.
7. according to the described seal for pipe joints of claim 1 or 2 bindiny mechanism, it is characterized in that, described coupling sleeve (5) inner chamber back segment has a planar support wall, described planar support wall and coupling sleeve (5) central axis is perpendicular and have through hole, and the quantity of described through hole, size and position are corresponding with the internal pipeline (9) in being laid in described the first pipeline.
8. according to the described seal for pipe joints of claim 4 bindiny mechanism, 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 the first circular groove.
9. according to the described seal for pipe joints of claim 1 or 2 bindiny mechanism, 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, in the annular slot of the second circular groove of described coupling sleeve (5) and No. five flanges (6), is inlaid with limited location snap ring (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320468207.2U CN203375027U (en) | 2013-08-01 | 2013-08-01 | Pipeline sealing connecting mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320468207.2U CN203375027U (en) | 2013-08-01 | 2013-08-01 | Pipeline sealing connecting mechanism |
Publications (1)
Publication Number | Publication Date |
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CN203375027U true CN203375027U (en) | 2014-01-01 |
Family
ID=49837556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201320468207.2U Expired - Fee Related CN203375027U (en) | 2013-08-01 | 2013-08-01 | Pipeline sealing connecting mechanism |
Country Status (1)
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CN (1) | CN203375027U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103398251A (en) * | 2013-08-01 | 2013-11-20 | 陕西北方石化设备制造有限公司 | Pipeline sealing and connecting structure |
-
2013
- 2013-08-01 CN CN201320468207.2U patent/CN203375027U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103398251A (en) * | 2013-08-01 | 2013-11-20 | 陕西北方石化设备制造有限公司 | Pipeline sealing and connecting structure |
CN103398251B (en) * | 2013-08-01 | 2015-11-25 | 陕西北方石化设备制造有限公司 | A kind of seal for pipe joints bindiny mechanism |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20160801 |
|
CF01 | Termination of patent right due to non-payment of annual fee |