CN202024007U - Pipeline connecting expansion device - Google Patents
Pipeline connecting expansion device Download PDFInfo
- Publication number
- CN202024007U CN202024007U CN2011201263307U CN201120126330U CN202024007U CN 202024007 U CN202024007 U CN 202024007U CN 2011201263307 U CN2011201263307 U CN 2011201263307U CN 201120126330 U CN201120126330 U CN 201120126330U CN 202024007 U CN202024007 U CN 202024007U
- Authority
- CN
- China
- Prior art keywords
- telescopic pipe
- wall
- pipe
- expansion
- lug boss
- 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 relates to a pipeline connecting expansion device, which mainly solves the problems of limited expansion, high cost and short service life of the conventional pipeline connecting device. The pipeline connecting expansion device comprises a first expansion pipe and a second expansion pipe, wherein the first expansion pipe extends into the second expansion pipe and is in slide fit with the second expansion pipe in the axial direction; the two ends of the first expansion pipe and the second expansion pipe are provided with pipeline connecting pieces; a movable sealing member is arranged between the outer wall of the first expansion pipe and the inner wall of the second expansion pipe; and a limiting mechanism is arranged on the matching part of the first expansion pipe and the second expansion pipe. The pipeline connecting expansion device has the advantages of reliable performance, free expansion, capability of conveniently and quickly connecting the pipeline, convenience in disassembly, assembly and maintenance, safety, reliability, long service life, low manufacturing cost and high sealing property.
Description
Technical field
The utility model relates to a kind of assembling pipe joint, refers in particular to pipeline and connects expansion bend.
Background technique
Because the chemical pipeline temperature variation is big, makes pipeline be subjected to thermal stretching, meets cold contraction.In order to realize being connected, the expansion bend device must be set on pipeline be convenient to connect with delivery pipe.Adopting at present has a kind of corrugated conduit expansion bend, because it is a steel material, internal friction is big, manually is difficult to control extending amount when regulating.Its technical requirements more complicated, dismounting and maintenance difficult, its extending amount is smaller, the cost height, and also fragile.
The model utility content
For shortcoming and the deficiency that overcomes background technique, the utility model provides a kind of pipeline to connect expansion bend, and it is simple in structure, and is capable of expansion and contraction, and cost is low, long service life, and dismounting is easy to maintenance, and good seal performance.
The technical solution of the utility model is: a kind of pipeline connects expansion bend, comprise first telescopic pipe and second telescopic pipe, described first telescopic pipe stretch in second telescopic pipe and with its axial sliding fit, described first telescopic pipe and the second telescopic pipe two ends are provided with pipe joint, be provided with dynamic seal between the described first telescopic pipe outer wall and the second telescopic pipe inwall, the cooperation place of described first telescopic pipe and second telescopic pipe is provided with position-limit mechanism.
Described position-limit mechanism comprises limited cover, first positive stop lug boss, described limited cover is wholely set by collar portion and snap ring portion and forms, described collar portion is fixed on the outer wall of second telescopic pipe, the end face of the described snap ring portion and second telescopic pipe fits, and described first positive stop lug boss is located on the outer wall of first telescopic pipe and with snap ring portion is spacing and is cooperated.
Described limited cover is threaded with second telescopic pipe.
Be provided with cushion cover between the end face of the described snap ring end surface and second telescopic pipe, the cross section of described cushion cover is the T shape, comprise lateral part and vertical part, match with described first positive stop lug boss in described lateral part, described vertical part is between the outer wall of the inwall of second telescopic pipe and first telescopic pipe.
The described first telescopic pipe outer wall is provided with and be separated by second positive stop lug boss of certain position of described first positive stop lug boss.
Described dynamic seal is a seal ring, and described seal ring is located in the outer wall groove of first telescopic pipe, and cooperates with the inwall motive sealing of described second telescopic pipe.
Described seal ring is 3, and the certain position of being separated by is distributed on the first telescopic pipe outer wall.
Described pipe joint is a flange, and described flange is threaded with first telescopic pipe, second telescopic pipe respectively.
Compared with prior art, the utlity model has following beneficial effect: this pipeline connects the expansion bend reliable performance, and is capable of expansion and contraction, the convenient and swift connecting tube of energy, dismounting and easy to maintenance.Safe and reliable, long service life, low cost of manufacture, and good seal performance.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the enlarged view at A place among the utility model Fig. 1.
Among the figure, first telescopic pipe, 1, the second telescopic pipe, 2, the first positive stop lug boss, 11, the second positive stop lug boss 12, limited cover 3, collar portion 31, snap ring portion 32, cushion cover 4, seal ring 5, flange 6.
Embodiment
At accompanying drawing embodiment of the present utility model is described further below:
Shown in figure, a kind of pipeline connects expansion bend, comprise first telescopic pipe 1 and second telescopic pipe 2, described first telescopic pipe 1 stretch in second telescopic pipe 2 and with its axial sliding fit, described first telescopic pipe 1 and second telescopic pipe, 2 two ends are provided with pipe joint, be provided with dynamic seal between described first telescopic pipe, 1 outer wall and second telescopic pipe, 2 inwalls, the cooperation place of described first telescopic pipe 1 and second telescopic pipe 2 is provided with position-limit mechanism.During use, this pipeline connects the expansion bend reliable performance, and is capable of expansion and contraction, the convenient and swift connecting tube of energy, dismounting and easy to maintenance.Safe and reliable, long service life, low cost of manufacture, and good seal performance.
Shown in figure, described position-limit mechanism comprises limited cover 3, first positive stop lug boss 11, described limited cover 3 is wholely set by collar portion 31 and snap ring portion 32 and forms, described collar portion 31 is fixed on the outer wall of second telescopic pipe 2, the end face of the described snap ring portion 32 and second telescopic pipe 2 fits, described first positive stop lug boss 11 be located on the outer wall of first telescopic pipe 1 and with 32 spacing cooperations of snap ring.
Shown in figure, described limited cover 3 is threaded with second telescopic pipe 2.Described limited cover 3 and second telescopic pipe 2 are by being threaded, and be easy for installation, is connected firmly.
Be provided with cushion cover 4 between the end face of described snap ring portion's 32 end faces and second telescopic pipe 2, the cross section of described cushion cover 4 is the T shape, comprise lateral part 41 and vertical part 42, match with described first positive stop lug boss 11 in described lateral part 41, described vertical part 42 is between the outer wall of the inwall of second telescopic pipe 2 and first telescopic pipe 1.Cushion cover 4 being set can realizing seal action on the one hand, is to make sleeve gasket 4 and 11 spacing cooperations of first positive stop lug boss on the other hand, is convenient to change after damaging.
Shown in figure, described first telescopic pipe, 1 outer wall is provided with and be separated by second positive stop lug boss 12 of certain position of described first positive stop lug boss 11.Match with sleeve gasket 4 and realize spacing effect thereby first positive stop lug boss 11 is set, prevent that effectively first telescopic pipe 1 is separated with second telescopic pipe 2 in drawing process.Distance between first positive stop lug boss 11 and first positive stop lug boss 12 is the stroke of this expansion bend, can set as required, first positive stop lug boss 12 is set makes telescopic pipe 2 realize within the specific limits stretching, and is safe and reliable.
Shown in figure, described dynamic seal is a seal ring 5, and described seal ring 5 is located in the outer wall groove of first telescopic pipe 1, and cooperates with the inwall motive sealing of described second telescopic pipe 2.Setting can make seal ring 5 install firmly like this, be difficult for breaking away from, and good seal performance.
Shown in figure, described seal ring 5 is 3, and the certain position of being separated by is distributed on first telescopic pipe, 1 outer wall.Seal ring 5 is set, guarantees telescopic pipe in stretching or contraction process, realize relatively effectively motive sealing effect, it is three that seal ring 5 is set, thereby realizes multi-sealed effect, prevents to reveal, and makes its sealing effect reach better state.
Shown in figure, described pipe joint is a flange 6, and described flange 6 is threaded with first telescopic pipe 1, second telescopic pipe 2 respectively.Described pipe joint is a flange 6, and described flange 6 is threaded with first telescopic pipe 1, second telescopic pipe 2 respectively.Adopt flange to be connected with to be beneficial to easy for installation, can also adopt other Placement certainly.
Embodiment should not be considered as the restriction to model utility, but any improvement of doing based on spirit of the present utility model, all should be within protection domain of the present utility model.
Claims (8)
1. a pipeline connects expansion bend, it is characterized in that: comprise first telescopic pipe (1) and second telescopic pipe (2), described first telescopic pipe (1) stretch in second telescopic pipe (2) and with its axial sliding fit, described first telescopic pipe (1) and second telescopic pipe (2) two ends are provided with pipe joint, be provided with dynamic seal between described first telescopic pipe (1) outer wall and second telescopic pipe (2) inwall, described first telescopic pipe (1) is provided with position-limit mechanism with the cooperation place of second telescopic pipe (2).
2. pipeline according to claim 1 connects expansion bend, it is characterized in that described position-limit mechanism comprises limited cover (3), first positive stop lug boss (11), described limited cover (3) is wholely set by collar portion (31) and snap ring portion (32) and forms, described collar portion (31) is fixed on the outer wall of second telescopic pipe (2), the end face of described snap ring portion (32) and second telescopic pipe (2) fits, described first positive stop lug boss (11) be located on the outer wall of first telescopic pipe (1) and with spacing cooperation of snap ring portion (32).
3. pipeline according to claim 2 connects expansion bend, it is characterized in that described limited cover (3) is threaded with second telescopic pipe (2).
4. connect expansion bend according to claim 2 or 3 described pipelines, it is characterized in that being provided with cushion cover (4) between the end face of described snap ring portion's (32) end face and second telescopic pipe (2), the cross section of described cushion cover (4) is the T shape, comprise lateral part (41) and vertical part (42), match with described first positive stop lug boss (11) in described lateral part (41), described vertical part (42) is positioned between the outer wall of the inwall of second telescopic pipe (2) and first telescopic pipe (1).
5. connect expansion bends according to claim 2 or 3 described pipelines, it is characterized in that described first telescopic pipe (1) outer wall is provided with and be separated by second positive stop lug boss (12) of certain position of described first positive stop lug boss (11).
6. connect expansion bend according to claim 1 or 2 or 3 described pipelines, it is characterized in that described dynamic seal is seal ring (5), described seal ring (5) is located in the outer wall groove of first telescopic pipe (1), and cooperates with the inwall motive sealing of described second telescopic pipe (2).
7. pipeline according to claim 6 connects expansion bend, it is characterized in that described seal ring (5) is 3, and the certain position of being separated by is distributed on first telescopic pipe (1) outer wall.
8. connect expansion bend according to claim 1 or 2 or 3 or 7 described pipelines, it is characterized in that described pipe joint is flange (6), described flange (6) is threaded with first telescopic pipe (1), second telescopic pipe (2) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201263307U CN202024007U (en) | 2011-04-26 | 2011-04-26 | Pipeline connecting expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201263307U CN202024007U (en) | 2011-04-26 | 2011-04-26 | Pipeline connecting expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202024007U true CN202024007U (en) | 2011-11-02 |
Family
ID=44848957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201263307U Expired - Fee Related CN202024007U (en) | 2011-04-26 | 2011-04-26 | Pipeline connecting expansion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202024007U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107427744A (en) * | 2015-02-19 | 2017-12-01 | 阿迪控股(2008)有限公司 | Telescopic means for magnetic filter |
| CN108825913A (en) * | 2018-06-22 | 2018-11-16 | 江苏浩博塑业有限公司 | A kind of double adjustment type air hose elbows of length and angle |
| CN112728263A (en) * | 2019-10-28 | 2021-04-30 | 湖南诚路管业科技有限公司 | Telescopic pipeline connector |
| CN115179434A (en) * | 2022-07-29 | 2022-10-14 | 江苏荣顺园科技有限公司 | Discharging device convenient for adjusting discharging direction for gypsum production and using method |
-
2011
- 2011-04-26 CN CN2011201263307U patent/CN202024007U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107427744A (en) * | 2015-02-19 | 2017-12-01 | 阿迪控股(2008)有限公司 | Telescopic means for magnetic filter |
| CN107427744B (en) * | 2015-02-19 | 2020-06-16 | 阿迪控股(2008)有限公司 | Telescopic fitting for magnetic filter |
| CN108825913A (en) * | 2018-06-22 | 2018-11-16 | 江苏浩博塑业有限公司 | A kind of double adjustment type air hose elbows of length and angle |
| CN108825913B (en) * | 2018-06-22 | 2020-07-10 | 江苏浩博塑业有限公司 | Length and angle double-adjustment type air pipe elbow |
| CN112728263A (en) * | 2019-10-28 | 2021-04-30 | 湖南诚路管业科技有限公司 | Telescopic pipeline connector |
| CN115179434A (en) * | 2022-07-29 | 2022-10-14 | 江苏荣顺园科技有限公司 | Discharging device convenient for adjusting discharging direction for gypsum production and using method |
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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: 20111102 Termination date: 20160426 |