CN101994886A - Integral insulating joint - Google Patents
Integral insulating joint Download PDFInfo
- Publication number
- CN101994886A CN101994886A CN 201010531248 CN201010531248A CN101994886A CN 101994886 A CN101994886 A CN 101994886A CN 201010531248 CN201010531248 CN 201010531248 CN 201010531248 A CN201010531248 A CN 201010531248A CN 101994886 A CN101994886 A CN 101994886A
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- flange
- seal
- downcomer
- upper conduit
- filling layer
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Abstract
The invention discloses an integral insulating joint belonging to pipeline fittings and comprising an upper conduit, a lower conduit, a casing, an insulating device, an insulating gasket and a sealing pad, wherein a lower conduit flange is arranged on the lower conduit; and an upper conduit flange is arranged on the upper conduit. The integral insulating joint is characterized in that a first sealing ring groove and a second sealing ring groove are arranged on the surface on one side of the lower conduit flange; a first sealing ring and a second sealing ring are embedded into the first sealing ring groove and the second sealing ring groove; a third sealing ring groove and a fourth sealing ring groove are arranged on the surface at the other side of the upper conduit flange; a third sealing ring and a fourth sealing ring are embedded into the third sealing ring groove and the fourth sealing ring groove; the insulating device comprises a first insulated filling layer, a second insulated filling layer and a sealing washer; the first insulated filling layer is positioned between the external circular surface of the lower conduit flange and the inner wall of the casing; the second insulated filling layer is positioned between the outer wall of the lower conduit and the first surface of a step of the casing; and the sealing washer is arranged between the second inner surface of the step and the lower conduit flange. The invention has the advantages of excellent insulating performance and no phenomena of damaging to the insulating and the sealing.
Description
Technical field
The invention belongs to the pipe fittings technical field, be specifically related to a kind of insulating joint, be applied in gas transmission and distribution pipeline and the petroleum transportation pipeline, isolate implementing insulation between pipeline and the pipeline.
Background technique
Flange-type structure fills the post of that the existing volume of insulating joint is big, heavy in view of using in gas transmission and distribution pipeline, combustion gas voltage regulating station, petroleum transportation pipeline and voltage regulating station before, a little less than the bearing capacity and the shortcoming of sealing and insulating property difference, so in Chinese patent literature, occurred many about being applied to the insulating joint of above-mentioned occasion.
Utility model patent notice of authorization CN2375848Y discloses the integrated type insulating joint, and its structure is by shown in Figure 3, and downcomer 1 is inserted on the seal 3 (patent claims insulating bush) in the sleeve 2, makes sleeve 2 and downcomer 1 insulation; Insulation spacer 4 is enclosed within the sealing gasket 5, and makes insulation spacer 4 between the omoplate face of downcomer 1 and upper conduit 6, play seal action.But this patent exists and is difficult between the upper and lower conduit 6,1 not only can have been played insulation but also played the shortcoming of ultimate attainment sealing effect by insulation spacer 4, that is to say that insulation spacer 4 is difficult to play desirable seal action.And, the seal 3 of this patent is a monolithic construction, has quick effect for installation, but the reliability for sealing can not ensure, because certainly exist matching gap between seal 3 and the insulation spacer 4, in case the gas in the upper and lower conduit 6,1 releases between the fitting surface of insulation spacer 4, just can and then release in the matching gap between felt pad 5 and the seal 3.
A kind of integrated type insulating joint that utility model patent notice of authorization CN2586861Y recommends, increase with respect to last patent for the sealing of promoting between insulating washer (patent claims inner washer) and the upper and lower conduit, but the structure of sealing gasket (patent claims outer washer) is superior unlike last patent, and there is the shortcoming of last patent equally in the insulating washer that is equivalent to the seal of last patent.
The insulating joint that model utility notice of authorization CN2634240Y provides is made of insulating bush, connecting ring, sealed insulation ring, seal ring, cylinder sleeve, meropodium and pipe nipple, the structure of this insulating joint comparatively complicated and only be difficult to guarantee with the two seals ring and insulating bush and connecting ring between sealing effect.
In recent years, along with the diameter of the body that is used for transport gas and oil etc. constantly increases, also harsh day by day to the requirement of the insulating joint on high-pressure gas or the oil major trunk roads, the design pressure of insulating joint had required to reach 10MPa, and diameter is greatly to 1000mm.If therefore take over the structure of the minor diameter insulating joint in the prior art, not only the one-pass finished rate only is about 50% in course of working, and in transportation and the installation process, damages easily because diameter and deadweight are big.
At above-mentioned prior art, the applicant explores and attempts, and technological scheme described below produces under this background.
Summary of the invention
Task of the present invention is to provide a kind of to be had desirable insulation and sealing effect and helps avoid integrated type insulating joint impaired in lifting, transportation and construction link.
Task of the present invention is finished like this, a kind of integrated type insulating joint, comprise, downcomer, sleeve, seal, insulation spacer and sealing gasket, downcomer is installed with conduit flange on an end end face of upper conduit, upper conduit is installed with a upper conduit flange on an end end face of downcomer, insulation spacer is placed in, between the downcomer flange, and be placed in equally, sealing gasket phase scarf between the downcomer flange, one end of sleeve and the welding of upper conduit flange are fixing, the other end cooperates with the downcomer flange seal by seal, be characterised in that: described downcomer flange offers one first seal groove and one second seal groove towards the surface of a side of upper conduit flange, in first seal groove, be embedded with one first seal ring, and in second seal groove, be embedded with one second seal ring; Described upper conduit flange offers one the 3rd seal groove and one the 4th seal groove towards the surface of a side of downcomer flange, in the 3rd seal groove, be embedded with one the 3rd seal ring, and in the 4th seal groove, be embedded with one the 4th seal ring, wherein: first, second seal ring all with the side contacts of described insulation spacer towards the downcomer flange, and the 3rd, the 4th seal ring all with the side contacts of insulation spacer towards the upper conduit flange; Described seal comprises first, second insulation filling layer and seal washer, the first insulation filling layer is between the inwall of the periphery of downcomer flange and sleeve, the second insulation filling layer is between first internal surface of the step of the outer wall of downcomer and sleeve, and seal washer is placed between second internal surface and described downcomer flange of step.
In a specific embodiment of the present invention, the transverse shape of described sealing gasket is concave shape.
In another specific embodiment of the present invention, described first, second insulation filling layer is epoxy resin lamination glass fiber cloth plate, and described seal washer is a polyfluortetraethylene plate.
In another specific embodiment of the present invention, described insulation spacer is a polyfluortetraethylene plate.
Technological scheme provided by the invention has excellent insulating properties and sealing effect with respect to the insulating joint in the prior art, can not occur undermining the phenomenon of insulation and sealing in lifting, transportation and installation process.
Description of drawings
Fig. 1 is a specific embodiment structural drawing of the present invention.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is the sectional view of the integrated type insulating joint in the prior art.
Embodiment
Ask for an interview Fig. 1 and Fig. 2, provided upper and lower conduit 6,1, constitute conduit flange 11 towards the end of an end of upper conduit 6 by welding at downcomer 1, and offer first seal groove 111 and second seal groove 112 towards the surface of a side of upper conduit 6 at this downcomer flange 11, be embedded first seal ring 1111 in first seal groove 111, and be embedded second seal ring 1121 in second seal groove 112.Equally, constitute a upper conduit flange 61 towards the end of an end of downcomer 1 by welding at upper conduit 6, and promptly offer the 3rd seal groove 611 and the 4th seal groove 612 towards the surface of a side of downcomer 1 towards the surface of a side of downcomer flange 11 at this upper conduit flange 61, be embedded the 3rd seal ring 6111 in the 3rd seal groove 611, and be embedded the 4th seal ring 6121 in the 4th seal groove 612.As preferred scheme, the first, the 3rd seal groove 111,611 corresponds to each other, and the second, the 4th seal groove 112,612 corresponds to each other, so that make the first, the 3rd seal ring 1111,6111 keep corresponding each other, and make the second, the 4th seal ring 1121,6121 keep corresponding each other, form double-layer seal, thereby ensure excellent sealing effect.
Preferably the insulation spacer of being filled the post of by polyfluortetraethylene plate 4 is placed between the upper and lower conduit flange 61,11, more properly say and be placed between first, second seal ring 1111,1121 and the 3rd, the 4th seal ring 6111,6121, that is to say, the surface towards a side of downcomer flange 11 of first, second seal ring 1111,1121 and insulation spacer 4 contacts, and the surface towards a side of upper conduit flange 61 of the 3rd, the 4th seal ring 6111,6121 and insulation spacer 4 contacts.And the outer rim of the circumferential surface of aforesaid insulation spacer 4 is that outer edge is placed in transverse shape and is in the sealing gasket 5 of concave shape of Chinese character.After sleeve 2 is nested with on the upper and lower conduit flange 61,11, sealing gasket 5 is pushed down by the inwall of sleeve 2.
One end of aforesaid sleeve 2 is illustrated right-hand member and 61 solid weldings of upper conduit flange, and the other end of sleeve 2 is to constitute sealing by seal 3 between illustrated left end and downcomer flange 11 and the downcomer 1.The structure of seal 3 is as follows: comprise first, second insulation filling layer 31,32 and seal washer 33, wherein, first, second insulation filling layer 31,32 preferred use epoxy resin lamination glass fiber cloths, and the seal washer 33 preferred polyfluortetraethylene plates that use.The first insulation filling layer 31 is between the inwall of the periphery of downcomer flange 11 and sleeve 2, and the second insulation filling layer 32 is placed between first internal surface 211 of step 21 of the outer wall of downcomer 1 and sleeve 2, and seal washer 33 is between second internal surface 212 of the outside of downcomer flange 11 and step 21.Shown in figure, first, second insulation filling layer 31,32 and seal washer 33 threes constitute the zigzag relation, be that seal washer 33 is between first, second insulation filling layer 31,32, wherein, one side of seal washer 33 (illustrated left side) contacts with the second insulation filling layer 32, and the opposite side of seal washer 33 (illustrated right side) contacts with the first insulation filling layer 31, and the first insulation filling layer 31 also contacts with aforesaid seal ring 5.
In sum, technological scheme provided by the invention has reached goal of the invention, has embodied due technique effect.
Claims (4)
1. integrated type insulating joint, comprise, downcomer (6,1), sleeve (2), seal (3), insulation spacer (4) and sealing gasket (5), downcomer (1) is installed with conduit flange (11) on an end end face of upper conduit (6), upper conduit (6) is installed with a upper conduit flange (61) on an end end face of downcomer (1), insulation spacer (4) is placed in, downcomer flange (61,11) between, and be placed in equally, downcomer flange (61,11) sealing gasket between (5) phase scarf, one end of sleeve (2) and upper conduit flange (61) welding are fixing, the other end is sealed and matched by seal (3) and downcomer flange (11), it is characterized in that: described downcomer flange (11) offers one first seal groove (111) and one second seal groove (112) towards the surface of a side of upper conduit flange (61), in first seal groove (111), be embedded with one first seal ring (1111), and in second seal groove (112), be embedded with one second seal ring (1121); Described upper conduit flange (61) offers one the 3rd seal groove (611) and one the 4th seal groove (612) towards the surface of a side of downcomer flange (11), in the 3rd seal groove (611), be embedded with one the 3rd seal ring (6111), and in the 4th seal groove (612), be embedded with one the 4th seal ring (6121), wherein: first, second seal ring (1111,1121) all with the side contacts of described insulation spacer (4) towards downcomer flange (11), and the 3rd, the 4th seal ring (6111,6121) all with the side contacts of insulation spacer (4) towards upper conduit flange (61); Described seal (3) comprises first, second insulation filling layer (31,32) and seal washer (33), the first insulation filling layer (31) is positioned between the inwall of the periphery of downcomer flange (11) and sleeve (2), the second insulation filling layer (32) is positioned between first internal surface (211) of step (21) of the outer wall of downcomer (1) and sleeve (2), and seal washer (33) is placed between second internal surface (212) and described downcomer flange (11) of step (21).
2. integrated type insulating joint according to claim 1 is characterized in that the transverse shape of described sealing gasket (5) is concave shape.
3. integrated type insulating joint according to claim 1 is characterized in that described first, second insulation filling layer (31,32) is epoxy resin lamination glass fiber cloth plate, and described seal washer (33) is a polyfluortetraethylene plate.
4. integrated type insulating joint according to claim 1 is characterized in that described insulation spacer (4) is a polyfluortetraethylene plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010531248 CN101994886A (en) | 2010-10-29 | 2010-10-29 | Integral insulating joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010531248 CN101994886A (en) | 2010-10-29 | 2010-10-29 | Integral insulating joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101994886A true CN101994886A (en) | 2011-03-30 |
Family
ID=43785419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010531248 Pending CN101994886A (en) | 2010-10-29 | 2010-10-29 | Integral insulating joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101994886A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720656A (en) * | 2012-06-20 | 2012-10-10 | 常熟市天银机电股份有限公司 | Suction pipe and exhaust pipe structure capable of preventing electrical leakage of regeneration system of refrigeration compressor |
| CN102865423A (en) * | 2012-09-29 | 2013-01-09 | 常熟市上海飞奥压力容器制造有限公司 | Integral insulating joint for pipelines |
| CN104534208A (en) * | 2014-12-30 | 2015-04-22 | 特瑞斯能源装备股份有限公司 | Insulation joint |
| CN106051374A (en) * | 2016-05-27 | 2016-10-26 | 郭作阳 | Under-pressure non-production-stop blocking device for leakage of insulated joint |
| CN107084289A (en) * | 2017-06-28 | 2017-08-22 | 常熟市上海飞奥压力容器制造有限公司 | Pipeline insulating joint |
| CN107314176A (en) * | 2017-08-31 | 2017-11-03 | 西南石油大学 | A kind of J-type hooks circle and trapezoidal sealed insulating joint |
| CN107620841A (en) * | 2017-09-22 | 2018-01-23 | 上海常浩高压管件有限公司 | A kind of closing in type integral insulation joint |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2375848Y (en) * | 1999-04-23 | 2000-04-26 | 上海飞奥燃气设备有限公司 | Integral insulating joint |
| KR20010086835A (en) * | 2000-03-03 | 2001-09-15 | 밍 루 | Gas enclosure structure of shock absorber |
| CN2559147Y (en) * | 2002-03-21 | 2003-07-02 | 北京永逸舒克防腐蚀技术有限公司 | Monolithic insulation joint |
| CN2771614Y (en) * | 2005-02-03 | 2006-04-12 | 陕西秦峰航空液压西安联营厂 | Antitheft insulated joint |
| CN2937706Y (en) * | 2006-07-12 | 2007-08-22 | 苏州市燃气设备阀门制造有限公司 | Insulation metal valve |
| CN201884836U (en) * | 2010-10-29 | 2011-06-29 | 常熟市上海飞奥压力容器制造有限公司 | Integral-type insulation connector |
-
2010
- 2010-10-29 CN CN 201010531248 patent/CN101994886A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2375848Y (en) * | 1999-04-23 | 2000-04-26 | 上海飞奥燃气设备有限公司 | Integral insulating joint |
| KR20010086835A (en) * | 2000-03-03 | 2001-09-15 | 밍 루 | Gas enclosure structure of shock absorber |
| CN2559147Y (en) * | 2002-03-21 | 2003-07-02 | 北京永逸舒克防腐蚀技术有限公司 | Monolithic insulation joint |
| CN2771614Y (en) * | 2005-02-03 | 2006-04-12 | 陕西秦峰航空液压西安联营厂 | Antitheft insulated joint |
| CN2937706Y (en) * | 2006-07-12 | 2007-08-22 | 苏州市燃气设备阀门制造有限公司 | Insulation metal valve |
| CN201884836U (en) * | 2010-10-29 | 2011-06-29 | 常熟市上海飞奥压力容器制造有限公司 | Integral-type insulation connector |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720656A (en) * | 2012-06-20 | 2012-10-10 | 常熟市天银机电股份有限公司 | Suction pipe and exhaust pipe structure capable of preventing electrical leakage of regeneration system of refrigeration compressor |
| CN102720656B (en) * | 2012-06-20 | 2014-07-23 | 常熟市天银机电股份有限公司 | Suction pipe and exhaust pipe structure capable of preventing electrical leakage of regeneration system of refrigeration compressor |
| CN102865423A (en) * | 2012-09-29 | 2013-01-09 | 常熟市上海飞奥压力容器制造有限公司 | Integral insulating joint for pipelines |
| CN104534208A (en) * | 2014-12-30 | 2015-04-22 | 特瑞斯能源装备股份有限公司 | Insulation joint |
| CN106051374A (en) * | 2016-05-27 | 2016-10-26 | 郭作阳 | Under-pressure non-production-stop blocking device for leakage of insulated joint |
| CN107084289A (en) * | 2017-06-28 | 2017-08-22 | 常熟市上海飞奥压力容器制造有限公司 | Pipeline insulating joint |
| CN107314176A (en) * | 2017-08-31 | 2017-11-03 | 西南石油大学 | A kind of J-type hooks circle and trapezoidal sealed insulating joint |
| CN107620841A (en) * | 2017-09-22 | 2018-01-23 | 上海常浩高压管件有限公司 | A kind of closing in type integral insulation joint |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110330 |