CN201496693U - Metal sealing telescopic pipe - Google Patents
Metal sealing telescopic pipe Download PDFInfo
- Publication number
- CN201496693U CN201496693U CN2009202281682U CN200920228168U CN201496693U CN 201496693 U CN201496693 U CN 201496693U CN 2009202281682 U CN2009202281682 U CN 2009202281682U CN 200920228168 U CN200920228168 U CN 200920228168U CN 201496693 U CN201496693 U CN 201496693U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- inner sleeve
- outer sleeve
- telescopic pipe
- pipe
- 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
- 238000007789 sealing Methods 0.000 title abstract description 16
- 229910052751 metal Inorganic materials 0.000 title abstract 4
- 239000002184 metal Substances 0.000 title abstract 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 5
- 239000011651 chromium Substances 0.000 claims abstract description 5
- 239000000428 dust Substances 0.000 claims description 13
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003345 natural gas Substances 0.000 abstract description 2
- 230000008602 contraction Effects 0.000 abstract 1
- 239000003208 petroleum Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 5
- 238000012856 packing Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Joints Allowing Movement (AREA)
Abstract
The utility model provides a metal sealing telescopic pipe, comprising an outer sleeve, an inner sleeve, sealing rings and dustproof rings. The metal sealing telescopic pipe is characterized in that the inner sleeve (2) is closely sheathed in the outer sleeve (1); the contacting surfaces of the inner sleeve (2) and the outer sleeve (1) are all plated with a hard chromium layer (7) and are high-polished surfaces; the sealing rings (4) and the dustproof rings (8) are arranged in a plurality of ring-shaped grooves (3-1, 3-2, 3-3) of the inner wall of one end of the outer sleeve (1); the outer wall of the other end of the outer sleeve (1) is provided with a plurality of outer pipe wrench positions (5); and the outer wall of one end of the inner sleeve (2), which is close to the dustproof rings (8), is provided with a plurality of inner pipe wrench positions (6). The metal sealing telescopic pipe seals the outer sleeve and the inner sleeve by the high-polished surfaces and the plurality of sealing rings, has good sealing property, large expansion and contraction, strong pressure resistance and tensile capability, and is especially applicable to the connection of conveying pipelines of natural gas and petroleum.
Description
Technical field
The utility model relates to pipeline sealing device, specifically a kind of metallic seal telescopic pipe that is applicable to various pipelines such as gas transmission, water delivery, oil transportation.
Background technique
At present, the joint of natural-gas transfer pipeline is adopted straight tube mostly, if sink with running into, when phenomenon such as collapsing, pipeline easily bends fracture, causes the leakage of rock gas.
And the use packing seal that the sealing expansion bend of existing transfusion (or gas) pipeline has, what have uses spring or bolt to compress sealing in the Sealing outside.Use packing seal, quick abrasion, leak-down rate height, life-span weak point need periodically compress and change filler, and amount of maintenance is big, cost of use height, poor reliability.Use spring or bolt to compress sealing in the Sealing outside, use a period of time after, the deformation of spring is big, bolt gets rusty, dumb, and sealing is reduced greatly.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art, and a kind of metallic seal telescopic pipe of simple in structure, good airproof performance is provided.
The purpose of this utility model is achieved by the following technical solution: described metallic seal telescopic pipe, comprise outer sleeve, inner sleeve, seal ring and dust ring, inner sleeve closely is socketed in the outer sleeve, all be coated with hard chromium layers on the surface of contact of inner sleeve and outer sleeve, and surface of contact is the high finishingness face; Seal ring and dust ring are located in a plurality of circular grooves of inwall of outer sleeve one end, and the outer wall of the outer sleeve the other end is provided with a plurality of outer pipe wrenches position; Inner sleeve is provided with a plurality of interior pipe wrench positions near the outer wall of an end of dust ring.Be provided with seal ring in the inboard circular groove, be provided with dust ring in the circular groove of outlet end.
Can also inner sleeve near an end of interior pipe wrench position and outer sleeve near outside an end of pipe wrench position be equipped with the screw thread of standard.
The surface finishment of the outer surface of inner sleeve and the internal surface of outer sleeve is less than or equal to 0.4.The internal surface of inner sleeve and the outer surface of outer sleeve all are coated with zinc.The end of inner sleeve extends outside the sleeve pipe.
The beneficial effects of the utility model: owing to adopt above technological scheme, seal by high finishingness face and multiple-sealed circle between outer sleeve and the inner sleeve, good airproof performance, extending amount is big, and the resistance to compression resistance to tension is strong.Can bear the pressure of 15kg/cm through this telescopic pipe of experimental test, stretching hardness is 6.7Mpa, and gas does not leak under the pressure of 3Mpa, and is movable flexible under the active force of 0.3Mpa, and seal ring is at-40 ℃ or 110 ℃ of lasting 24h surface no changes, and is flawless.Therefore, the utility model is specially adapted to the connection of rock gas, oil transportation pipeline.
Description of drawings
Fig. 1 is a structural representation of the present utility model,
Fig. 2 is the structural representation of outer sleeve,
Fig. 3 is the structural representation of inner sleeve.
Among the figure: 1-outer sleeve, 2-inner sleeve, the circular groove of 3-1,3-2-inboard, the circular groove of 3-3-outlet end, 4-seal ring, the outer pipe wrench position of 5-, pipe wrench position in the 6-, 7-hard chromium layers, 8-dust ring.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.Among Fig. 1,2,3, described metallic seal telescopic pipe comprises outer sleeve, inner sleeve, seal ring and dust ring, it is characterized in that: inner sleeve 2 closely is socketed in the outer sleeve 1, all be coated with hard chromium layers 7 on the surface of contact of inner sleeve 2 and outer sleeve 1, and surface of contact is the high finishingness face; Seal ring 4 and dust ring 8 are located in a plurality of circular groove 3-1,3-2,3-3 of the inwall of outer sleeve 1 one ends, and the outer wall of outer sleeve 1 the other end is provided with a plurality of outer pipe wrenches position 5; Inner sleeve 2 is provided with a plurality of interior pipe wrench positions 6 near the outer wall of an end of dust ring 8.Be provided with seal ring 4 in inboard circular groove 3-1, the 3-2, be provided with dust ring 8 in the circular groove 3-3 of outlet end.One end of inner sleeve 2 close interior pipe wrench positions 6 and outer sleeve 1 are equipped with the screw thread of standard near an end of outer pipe wrench position 5.The surface finishment of the internal surface of the outer surface of inner sleeve 2 and outer sleeve 1 is less than or equal to 0.4.The outer surface of the internal surface of inner sleeve 2 and outer sleeve 1 all is coated with zinc.The end of inner sleeve 2 extends outside the sleeve pipe 1.
2 contacted high finishingness faces of outer sleeve 1 and inner sleeve, inner sleeve 2 can closely be socketed in the outer sleeve 1, are difficult for sliding easily, and the multiple-sealed circle 4 of outer sleeve 1 plays defence line, second road, make inner sleeve 2 tightr with outer sleeve 1 sealing.
The two ends of internal and external casing are equipped with the internal and external threads of standard, can be connected in the pipeline of arbitrary dimension with the CONCENTRIC REDUCER link.
When this telescopic pipe was applied in connection between the 2-section pipe road, the threaded end on the outer sleeve 1 was connected with a pipe joint road, and pulled outer pipe wrench position 5 by spanner outer sleeve 1 is closely connected in the pipe joint road therewith; Threaded end is connected with another pipe joint road on the inner sleeve 2, and by spanner pull in pipe wrench position 6 make inner sleeve 2 therewith pipeline closely connect, telescopic pipe just is connected between the 2-section pipe road.
Claims (6)
1. metallic seal telescopic pipe, comprise outer sleeve, inner sleeve, seal ring and dust ring, it is characterized in that: inner sleeve (2) closely is socketed in the outer sleeve (1), all be coated with hard chromium layers (7) on the surface of contact of inner sleeve (2) and outer sleeve (1), and surface of contact is the high finishingness face; Seal ring (4) and dust ring (8) are located in a plurality of circular grooves (3-1,3-2,3-3) of the inwall of outer sleeve (1) one end, and the outer wall of outer sleeve (1) the other end is provided with a plurality of outer pipe wrenches positions (5); Inner sleeve (2) is provided with a plurality of interior pipe wrench positions (6) near the outer wall of an end of dust ring (8).
2. metallic seal telescopic pipe according to claim 1 is characterized in that: be provided with seal ring (4) in the inboard circular groove (3-1,3-2), be provided with dust ring (8) in the circular groove of outlet end (3-3).
3. metallic seal telescopic pipe according to claim 1 is characterized in that: an end of the close interior pipe wrench position (6) of inner sleeve (2) and outer sleeve (1) are equipped with the screw thread of standard near an end of outer pipe wrench position (5).
4. metallic seal telescopic pipe according to claim 1 is characterized in that: the surface finishment of the internal surface of the outer surface of inner sleeve (2) and outer sleeve (1) is less than or equal to 0.4.
5. metallic seal telescopic pipe according to claim 1 is characterized in that: the outer surface of the internal surface of inner sleeve (2) and outer sleeve (1) all is coated with zinc.
6. metallic seal telescopic pipe according to claim 1 is characterized in that: the end of inner sleeve (2) extends outside the sleeve pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202281682U CN201496693U (en) | 2009-09-16 | 2009-09-16 | Metal sealing telescopic pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202281682U CN201496693U (en) | 2009-09-16 | 2009-09-16 | Metal sealing telescopic pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201496693U true CN201496693U (en) | 2010-06-02 |
Family
ID=42439900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202281682U Expired - Fee Related CN201496693U (en) | 2009-09-16 | 2009-09-16 | Metal sealing telescopic pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201496693U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384035A (en) * | 2011-10-14 | 2012-03-21 | 朱永波 | Wind energy collecting device and wind power generation system thereof |
| CN104048113A (en) * | 2013-03-11 | 2014-09-17 | 宁夏嘉翔自控技术有限公司 | Sleeve-supporting high-temperature wear-resisting sealing device |
| CN104048048A (en) * | 2013-03-11 | 2014-09-17 | 宁夏嘉翔自控技术有限公司 | Sleeve-supporting room-temperature wear-resisting sealing device |
| CN105244823A (en) * | 2015-10-13 | 2016-01-13 | 广新海事重工股份有限公司 | Telescopic protection sleeve |
| CN105650382A (en) * | 2015-12-31 | 2016-06-08 | 武汉铁盾民防工程有限公司 | Telescopic flange-free connecting air pipe |
| GB2535585A (en) * | 2015-02-19 | 2016-08-24 | Adey Holdings 2008 Ltd | Telescopic fitment for a magnetic filter |
| CN107387905A (en) * | 2017-07-26 | 2017-11-24 | 徐州徐工液压件有限公司 | A kind of telescopic sealed attachment part for pressure fluid conduit |
| CN109723389A (en) * | 2017-10-30 | 2019-05-07 | 中国石油化工股份有限公司 | A kind of length compensation device |
| CN112390219A (en) * | 2020-11-15 | 2021-02-23 | 云南泰安工程技术咨询有限公司 | Mechanical lifting type closed manual oil metering port device for gas station |
-
2009
- 2009-09-16 CN CN2009202281682U patent/CN201496693U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384035A (en) * | 2011-10-14 | 2012-03-21 | 朱永波 | Wind energy collecting device and wind power generation system thereof |
| CN104048113A (en) * | 2013-03-11 | 2014-09-17 | 宁夏嘉翔自控技术有限公司 | Sleeve-supporting high-temperature wear-resisting sealing device |
| CN104048048A (en) * | 2013-03-11 | 2014-09-17 | 宁夏嘉翔自控技术有限公司 | Sleeve-supporting room-temperature wear-resisting sealing device |
| US10605389B2 (en) | 2015-02-19 | 2020-03-31 | Adey Holdings (2008) Limited | Magnetic filter for a central heating system |
| GB2535585A (en) * | 2015-02-19 | 2016-08-24 | Adey Holdings 2008 Ltd | Telescopic fitment for a magnetic filter |
| GB2535500A (en) * | 2015-02-19 | 2016-08-24 | Adey Holdings 2008 Ltd | Magnetic filter for a central heating system |
| GB2535585B (en) * | 2015-02-19 | 2017-06-21 | Adey Holdings 2008 Ltd | Telescopic fitment for a magnetic filter |
| GB2535500B (en) * | 2015-02-19 | 2017-06-21 | Adey Holdings 2008 Ltd | Magnetic filter for a central heating system |
| US10363501B2 (en) | 2015-02-19 | 2019-07-30 | Adey Holdings (2008) Limited | Magnetic filter for a central heating system |
| US10751646B2 (en) | 2015-02-19 | 2020-08-25 | Adey Holdings (2008) Limited | Telescopic fitment for a magnetic filter |
| CN105244823A (en) * | 2015-10-13 | 2016-01-13 | 广新海事重工股份有限公司 | Telescopic protection sleeve |
| CN105650382A (en) * | 2015-12-31 | 2016-06-08 | 武汉铁盾民防工程有限公司 | Telescopic flange-free connecting air pipe |
| CN107387905A (en) * | 2017-07-26 | 2017-11-24 | 徐州徐工液压件有限公司 | A kind of telescopic sealed attachment part for pressure fluid conduit |
| CN109723389A (en) * | 2017-10-30 | 2019-05-07 | 中国石油化工股份有限公司 | A kind of length compensation device |
| CN112390219A (en) * | 2020-11-15 | 2021-02-23 | 云南泰安工程技术咨询有限公司 | Mechanical lifting type closed manual oil metering port device for gas station |
| CN112390219B (en) * | 2020-11-15 | 2022-09-13 | 云南泰安工程技术咨询有限公司 | Mechanical lifting type closed manual oil metering port device for gas station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WUHAN LANYAN AUTOMATIC APPLICATION TECHNIQUE CO., Effective date: 20120820 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120820 Address after: 430012 Hubei province Wuhan City Jiang'an District Court CD 401-1-801 area Baibuting warm Patentee after: Jin Jun Patentee after: Wuhan Lanyan Automatic Application Technique Co., Ltd. Address before: 430012 Hubei province Wuhan City Jiang'an District Court CD 401-1-801 area Baibuting warm Patentee before: Jin Jun |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20160916 |