CN202868150U - Integral type insulated joint for pipeline - Google Patents
Integral type insulated joint for pipeline Download PDFInfo
- Publication number
- CN202868150U CN202868150U CN 201220506419 CN201220506419U CN202868150U CN 202868150 U CN202868150 U CN 202868150U CN 201220506419 CN201220506419 CN 201220506419 CN 201220506419 U CN201220506419 U CN 201220506419U CN 202868150 U CN202868150 U CN 202868150U
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- Prior art keywords
- sleeve
- upper connection
- seal ring
- lower contact
- insulation
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Abstract
The utility model discloses an integral type insulated joint for a pipeline, and belongs to the field of pipeline components. The integral type insulated joint for the pipeline comprises an upper conduit, a lower conduit, an upper connector, a lower connector and a sleeve. The integral type insulated joint for the pipeline is characterized in that a sleeve welding flange edge is formed in the middle of the upper connector, an upper connector insulation gasket cavity is formed at one end of the upper connector, an upper connector seal ring caulking groove is formed in the cavity wall of one side of the upper connector insulating gasket, an upper connector insulated isolation gasket is arranged in the upper connector insulation gasket cavity, and an upper connector seal ring is arranged in the upper connector seal ring caulking groove. A lower connector end face seal ring caulking groove is arranged at one end of the lower connector, a lower connector end face seal ring is arranged in the caulking groove, a step is formed on the outer wall of the lower connector, a lower connector side face seal gasket is arranged between the step and the upper connector, an insulation isolation gasket is arranged between the step and a sleeve step face, a gap is kept on one side of the step, wherein the side of the step is towards the sleeve, the gap is filled with a first insulation packing layer, and a second insulation packing layer is arranged between the outer wall of the upper end of the lower conduit and the inner wall of the sleeve. The integral type insulated joint for the pipeline has the advantages of being high in loading pressure. The number of seal components is reduced, and safety is embodied.
Description
Technical field
The utility model belongs to the pipe element technical field, is specifically related to a kind of pipeline Integral-type insulating joint, is applied on gas transmission and distribution pipeline and the petroleum transportation pipeline, and tediously long pipeline is implemented the insulation isolation at a certain distance
Background technique
The existing volume of insulating joint of being filled the post of by flange-type structure is large, heavy in view of using in gas transmission and distribution pipeline, gas pressure regulating station, petroleum transportation pipeline and voltage regulating station before, a little less than the bearing capacity and sealing and the poor shortcoming of insulating property, so in Chinese patent literature, occurred many about being applied to the insulating joint of above-mentioned occasion.
" Integral-type insulating joint " that Chinese utility model patent notice of authorization CN201884836U recommends overcome the CN2375848Y(Integral-type insulating joint), the CN2586861Y(Integral-type insulating joint) and the CN2634240Y(insulating joint) etc. shortcoming.But, still there is following shortcoming in this CN201884836U: one, because upper and lower joint among adopts a pair of common seal ring (patent claims first, second, third, fourth seal ring), therefore bearing pressure a little less than, fragile and cause sealing effect to be affected, and the quantity of seal ring is many; Its two because upper and lower conduit all do not have ground engaging component, therefore lose Security.
In view of above-mentioned prior art, be necessary in addition rational modification, for this reason, the applicant has done useful design, has formed technological scheme described below
Summary of the invention
Task of the present utility model is to provide a kind of and helps to strengthen the bearing pressure of the seal ring between the upper and lower joint and use and ensure lasting and desirable sealing, be conducive to reduce the quantity of seal ring and use simplified structure and be of value to and make upper and lower conduit make things convenient for ground connection and use the pipeline Integral-type insulating joint that embodies safety.
Task of the present utility model is finished like this, a kind of pipeline Integral-type insulating joint, comprise, downcomer, on, lower contact and sleeve, upper conduit is fixedly connected with the upper end of upper connection, and the lower end of upper connection cooperates with the upper end insulation isolation of lower contact, the lower end of lower contact is fixedly connected with the upper end of downcomer, and the outer wall of lower contact cooperates with the inwall of sleeve insulation isolation, and the upper end of sleeve is fixedly connected with upper connection, the lower end of sleeve cooperates with the insulation isolation of the upper end of downcomer, be characterised in that: consisting of at the middle part of the short transverse of described upper connection has one to expand the sleeve welded flange limit of establishing, the end face of the described upper end of described sleeve is fixedly connected with this sleeve welded flange limit, and upper connection has a upper connection insulating washer chamber towards the end formation of described lower contact, chamber wall in this upper connection insulating washer chamber towards a side of lower contact offers a upper connection seal ring caulking groove, in upper connection insulating washer chamber, be provided with upper connection insulation spacer ring, and in upper connection seal ring caulking groove, be embedded with a upper connection seal ring, this upper connection seal ring cooperates with a side sealing of described upper connection insulation spacer ring, on the end face of an end of upper connection and in the position corresponding to described upper connection seal ring caulking groove, offer joint end-face seal ring caulking groove in lower contact, in this lower contact end-face seal ring caulking groove, be embedded with joint end-face seal ring, the opposite side of this lower contact end-face seal ring and described upper connection insulation spacer ring is sealed and matched, on the outer wall of lower contact and the middle part that is positioned at the short transverse of lower contact consist of and a diameter to be arranged greater than the step of the diameter of lower contact, between this step and upper connection, be provided with joint side seal washer, this lower contact side seal packing ring both was sealed and matched with the described opposite side of upper connection insulation spacer ring, cooperate with the inner wall sealing of described sleeve again, between the sleeve step surface of the sleeve step of step and sleeve, be provided with an insulation spacer ring, this insulation spacer ring matches with the inwall of sleeve, and step maintains the filling gap towards a side of sleeve, in this filling gap, be filled with the first insulation filling layer, between the inwall of the outer wall of the upper end of downcomer and jacket casing, be provided with the second insulation filling layer, outer wall at described upper conduit is fixed with upper conduit ground connection pin, and being fixed with downcomer ground connection pin at the outer wall of described downcomer, described upper connection seal ring and described lower contact end-face seal ring are the O RunddichtringO.
In a specific embodiment of the present utility model, described the first insulation filling layer and the second insulation filling layer are epoxy resin.
In another specific embodiment of the present utility model, the width on described sleeve welded flange limit is consistent towards the thickness of an end of upper connection with described sleeve.
One of technique effect that compared with the prior art technological scheme that the utility model provides has, because upper, upper connection seal ring caulking groove and lower contact end-face seal ring caulking groove have been offered respectively in the position that faces each other of lower contact, in upper connection seal ring caulking groove, be embedded the upper connection seal ring, at the embedded joint end-face seal ring of setting of lower contact end-face seal ring caulking groove, and because upper connection seal ring and lower contact end-face seal ring are the O RunddichtringO, thereby it is large not only to have a bearing pressure, and can reduce the quantity of Sealing and simplified structure with respect to prior art; Owing to be respectively equipped with upper and lower pipe earth pin at upper and lower conduit, thereby can embody Security.
Description of drawings
Fig. 1 is example structure figure of the present utility model.
Embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, the claimant general elaborates in embodiment's mode below, but all be not restriction to the utility model scheme to embodiment's description, any according to the utility model design done only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.
See also Fig. 1, provided the upper conduit 1 that a metal is made, on the outer wall of this upper conduit 1, preferably be fixed with a pair of upper conduit ground connection pin 11 with welding manner.End with ground wire during use is connected with upper conduit ground connection pin 11, and the other end ground connection of ground wire.Upper conduit 1 is welded to connect by upper conduit scolder 12 with the upper end of upper connection 3.Namely there is a upper connection insulating washer chamber 32 lower end in upper connection 3 towards the end formation of lower contact 4, and being arranged with and consisting of towards the chamber wall of a side of lower contact 4 in this upper connection insulating washer chamber 32 has a upper connection seal washer caulking groove 321, being provided with a material in upper connection insulating washer chamber 32 is the upper connection insulation spacer ring 322 of teflon, and in upper connection seal ring caulking groove 321, being embedded with a upper connection seal ring 3211, this upper connection seal ring 3211 cooperates with a side sealing of upper connection insulation spacer ring 322.Make enforcement insulation isolation between the upper and lower joint 3,4 by upper connection insulation spacer ring 322.Outer wall at the middle part of the short transverse of upper connection 3 expands and is provided with a sleeve welded flange limit 31.Upper connection seal ring 3211 is O-ring seals for O type circle, the self-energized seal of adopting O type circle and material are that compared with the prior art the upper connection of teflon insulate this seal form that spacer ring 322 matches, no matter be that bearing pressure or sealing effect are all very remarkable, can be applicable to the above super high pressure bend pipeline conveying system of 10MPa, the lower contact end-face seal ring 411 that the below will mention is with example.
Upper end in aforesaid lower contact 4 namely offers joint end-face seal ring caulking groove 41 on an end end face of upper connection 3 and in the position corresponding to aforesaid upper connection seal ring caulking groove 321, being embedded with in this lower contact end-face seal ring caulking groove 41, joint end-face seal ring 411(O type circle is the O RunddichtringO), this lower contact end-face seal ring 411 is sealed and matched with the opposite side of aforementioned upper connection insulation spacer ring 322.At the middle part of the short transverse of lower contact 4 and be positioned at outer wall and consist of and a diameter is arranged greater than the step 42 of the external diameter of lower contact 4, on this step 42 and towards a side of upper connection 3, be provided with joint side seal ring 421, and step 42 towards under a side be provided with an insulation spacer ring 422.Aforesaid lower contact side seal circle 421 both was sealed and matched with described upper connection insulation dottle pin circle 322, and the inner wall sealing with sleeve 5 cooperates again, and aforesaid insulation spacer ring 422 matches with the sleeve step surface 511 of the sleeve step 51 of sleeve 5.Make by lower contact side seal circle 421 and insulation spacer ring 422 that insulated enclosure separates between sleeve 5 and the lower contact 4.Be filled with the first insulation filling layer 4231 of being filled the post of by epoxy resin in the filling gap 423 that between the inwall of lower contact 4 and sleeve 5, forms again.Shown in figure, be welded to connect by sleeve solder 52 between the upper end end face of sleeve 5 and the aforesaid sleeve welded flange limit 31, and the width on sleeve welded flange limit 31 is consistent with the wall thickness of sleeve 5.
Material is that the lower end of the downcomer 25 of metal namely is welded to connect with downcomer scolder 23 and lower contact 4 towards an end end face of lower contact 4, the position that borders between downcomer 2 and the sleeve 5 is filled by the second insulation filling layer 21, and the second insulation filling layer 21 is epoxy resin.Solid welding has the downcomer ground connection pin 22 of describing as to upper conduit ground connection pin 11 on the outer wall of downcomer 2.
As shown in the above description, be that insulation is separated between the upper and lower conduit 1,2, particularly downcomer 2 by the lower contact 4 that is fixedly connected with it realize with upper connection 3 and sleeve 5 between the insulation separation.The upper connection 3 by being fixedly connected with it of same reason, upper conduit 1 realize with lower contact 4 and sleeve 5 between the insulation separation.
The utility model is implemented insulation isolation to pipeline by certain distance in use as long as upper and lower conduit 1,2 is connected in series on gas supply pipe road, the petroleum conveying pipeline.
In a word, the technological scheme that the utility model provides has overcome the shortcoming in the prior art, has finished the invention task, has embodied the described technique effect of claimant, and can yet be regarded as is a ultimate attainment technological scheme
Claims (3)
1.
A kind of pipeline Integral-type insulating joint, comprise, downcomer (1,2), on, lower contact (3,4) and sleeve (5), upper conduit (1) is fixedly connected with the upper end of upper connection (3), and the lower end of upper connection (3) cooperates with the upper end insulation isolation of lower contact (4), the lower end of lower contact (4) is fixedly connected with the upper end of downcomer (2), and the outer wall of lower contact (4) cooperates with the inwall insulation isolation of sleeve (5), and the upper end of sleeve (5) is fixedly connected with upper connection (3), the lower end of sleeve (5) cooperates with the upper end insulation isolation of downcomer (2), it is characterized in that: consisting of at the middle part of the short transverse of described upper connection (3) has one to expand the sleeve welded flange limit (31) of establishing, the end face of the described upper end of described sleeve (5) is fixedly connected with this sleeve welded flange limit (31), and upper connection (3) has a upper connection insulating washer chamber (32) towards the end formation of described lower contact (4), chamber wall in this upper connection insulating washer chamber (32) towards a side of lower contact (4) offers a upper connection seal ring caulking groove (321), in upper connection insulating washer chamber (32), be provided with upper connection insulation spacer ring (322), and in upper connection seal ring caulking groove (321), be embedded with a upper connection seal ring (3211), this upper connection seal ring (3211) cooperates with a side sealing of described upper connection insulation spacer ring (322), on the end face of an end of upper connection (3) and in the position corresponding to described upper connection seal ring caulking groove (321), offer joint end-face seal ring caulking groove (41) in lower contact (4), in this lower contact end-face seal ring caulking groove (41), be embedded with joint end-face seal ring (411), this lower contact end-face seal ring (411) is sealed and matched with the opposite side of described upper connection insulation spacer ring (322), on the outer wall of lower contact (4) and the middle part that is positioned at the short transverse of lower contact (4) consist of and a diameter to be arranged greater than the step (42) of the diameter of lower contact (4), between this step (42) and upper connection (3), be provided with joint side seal washer (421), this lower contact side seal packing ring (421) both was sealed and matched with the described opposite side of upper connection insulation spacer ring (322), inner wall sealing with described sleeve (5) cooperates again, between the sleeve step surface (511) of the sleeve step (51) of step (42) and sleeve (5), be provided with an insulation spacer ring (422), this insulation spacer ring (422) matches with the inwall of sleeve (5), and step (42) maintains filling gap (423) towards a side of sleeve (5), in this filling gap (423), be filled with the first insulation filling layer (4231), between the inwall of the outer wall of the upper end of downcomer (2) and jacket casing (5), be provided with the second insulation filling layer (21), outer wall at described upper conduit (1) is fixed with upper conduit ground connection pin (11), and being fixed with downcomer ground connection pin (22) at the outer wall of described downcomer (2), described upper connection seal ring (3211) and described lower contact end-face seal ring (411) are the O RunddichtringO.
2.
Pipeline Integral-type insulating joint according to claim 1 is characterized in that described the first insulation filling layer (4231) and the second insulation filling layer (21) are epoxy resin.
3.
Pipeline Integral-type insulating joint according to claim 1, the width that it is characterized in that described sleeve welded flange limit (31) are consistent towards the thickness of an end of upper connection (3) with described sleeve (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220506419 CN202868150U (en) | 2012-09-29 | 2012-09-29 | Integral type insulated joint for pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220506419 CN202868150U (en) | 2012-09-29 | 2012-09-29 | Integral type insulated joint for pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202868150U true CN202868150U (en) | 2013-04-10 |
Family
ID=48034869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220506419 Expired - Fee Related CN202868150U (en) | 2012-09-29 | 2012-09-29 | Integral type insulated joint for pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202868150U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103438307A (en) * | 2013-08-19 | 2013-12-11 | 常熟市上海飞奥压力容器制造有限公司 | Insulating connector for pipeline |
-
2012
- 2012-09-29 CN CN 201220506419 patent/CN202868150U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103438307A (en) * | 2013-08-19 | 2013-12-11 | 常熟市上海飞奥压力容器制造有限公司 | Insulating connector for pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215532 Jiangsu city of Suzhou province Changshou City ancient town Baimao Industrial Development Zone Patentee after: Changshou City Austrian Pressure Vessel Manufacturing Co., Ltd. Address before: 215532 Jiangsu city of Suzhou province Changshou City ancient town Baimao Industrial Development Zone Patentee before: Changshu Shanghai Feiao Pressure Container Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20190929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |