CN203413262U - Insulating joint for pipe - Google Patents
Insulating joint for pipe Download PDFInfo
- Publication number
- CN203413262U CN203413262U CN201320509209.1U CN201320509209U CN203413262U CN 203413262 U CN203413262 U CN 203413262U CN 201320509209 U CN201320509209 U CN 201320509209U CN 203413262 U CN203413262 U CN 203413262U
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- Prior art keywords
- flange
- downstream
- sleeve
- conduit flange
- upstream
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Abstract
The utility model provides an insulating joint for a pipe, and belongs to the technical field of pipe fittings. The pipe comprises an upstream guide pipe body and a downstream guide pipe body. The end, facing to the downstream guide pipe body, of the upstream guide pipe body is provided with an upstream guide pipe body flange. The end, facing to the upstream guide pipe body, of the downstream guide pipe body is provided with a downstream guide pipe body flange. The insulating joint comprises a sleeve, an insulating isolation pad and an insulating spacer, a discharging cavity is formed between the inner wall of the sleeve and the outer wall of the downstream guide pipe body flange, a discharging ring is formed on the outer wall of the downstream guide pipe body flange, a discharging gap is reserved between the discharging ring and the inner wall of the sleeve, the insulating isolation pad is arranged between the face-to-face side of the upstream guide pipe body flange and the face-to-face side of the downstream guide pipe body flange, and the insulating spacer is arranged between the downstream guide pipe body flange and the insulating isolation matching surface of the sleeve. The discharging ring can release current naturally, and therefore the safety of the pipe is guaranteed.
Description
Technical field
The utility model belongs to pipe fittings technical field, is specifically related to the insulating joint that a kind of pipeline is used, and is applied to such as on gas transmission and distribution pipeline, oil product conveyance conduit, tediously long pipeline is isolated by certain spacing, to avoid pipeline to suffer static, broken by lightning.
Background technique
As is known in the industry, due to meetings such as static, thunderbolts, combustion gas is caused to serious harm as petroleum transportation pipeline as natural gas transmission and distribution pipeline and oil product, thereby when laying this type of pipeline, need on pipeline, every a segment distance (being generally 50m or 100m), be provided with and help play the insulating joint of eliminating static, lightning current, by insulating joint, static be introduced to the earth or lightning current is introduced to the earth.
In disclosed Chinese patent literature, is being no lack of the technical information about insulating joint up to now, slightly with exemplify as CN201884836U(Integral-type insulating joint), CN2586861Y(Integral-type insulating joint), CN2634240Y(insulating joint), CN2687466Y(insulating joint), CN101994886A(Integral-type insulating joint), CN102865423A(pipeline Integral-type insulating joint), etc.
Although be not limited to the above-mentioned patented technology scheme exemplifying, respectively there is corresponding technique effect, but because of between upper and lower conduit between between pipeline section rise the insulation sleeve (also claiming coupling sleeve) of buffer action and the upper conduit flange of upper conduit or and the downcomer flange of downcomer between form seal without gap structure, so cannot automatic discharging when the electric current being caused by static or caused by thunder and lightning flows through, thereby have the anxiety jeopardize pipeline, and this type of accident is no lack of and hears of.
In view of above-mentioned prior art, the applicant has done useful exploration, finally finds a way to resolve the problem and formed technological scheme described below.
Summary of the invention
Task of the present utility model is to provide a kind of electric current oneself who contributes to the situation by static, thunderbolt and so on to produce to discharge and uses the insulating joint of effectively protecting the pipeline of pipeline to use.
Task of the present utility model completes like this, the insulating joint that a kind of pipeline is used, described pipeline comprises upstream conduit and downstream conduit, upstream conduit forms and has a upstream conduit flange towards one end of downstream conduit, and downstream conduit has a downstream tremie method blue towards one end of upstream conduit formation, on, downstream conduit flange corresponds to each other, described insulating joint comprises sleeve, insulation isolation pad and insulation dottle pin, one end of sleeve is fixedly connected with upstream conduit flange, the middle part of sleeve is corresponding with the outer wall of downstream conduit flange, and form insulated enclosure between the other end of sleeve and the outer wall of downstream conduit, coordinate, between the inwall of described sleeve and the outer wall of described downstream conduit flange, form and have a discharge cavity, and form, there is an electric discharge ring that is raised in the outer wall surface of downstream conduit flange on the described outer wall of downstream conduit flange and around the circumferencial direction of downstream conduit flange, between this electric discharge ring and the inwall of sleeve, maintain discharging gap, described insulation isolation pad is arranged on, between the side facing each other of downstream conduit flange, described insulation dottle pin is arranged between the insulation isolation fitting surface of downstream conduit flange and sleeve.
In a specific embodiment of the present utility model, between the inwall of the described the other end of described sleeve and the outer wall of described downstream conduit, be provided with for making sleeve and downstream conduit form the insulation encapsulated layer of insulated enclosure.
In another specific embodiment of the present utility model, at described upstream conduit flange, towards a side of described insulation isolation pad, offer a upstream conduit flange seal ring recess, at the embedded upstream conduit flange seal ring that is provided with of this upstream conduit flange seal ring recess, this upstream conduit flange seal ring contacts with described insulation isolation pad.
In another specific embodiment of the present utility model, at described downstream conduit flange, towards a side of described insulation isolation pad, offer the blue seal groove of a downstream tremie method, at the embedded blue seal ring of a downstream tremie method that is provided with of this downstream conduit flange seal ring recess, downstream conduit flange seal ring contacts with insulation isolation pad.
In another specific embodiment of the present utility model, on the outer wall of described upstream conduit flange, form one be raised in upstream conduit flange outer wall surface be welded and fixed flange, described one end of described sleeve and this are welded and fixed flange and are welded and fixed.
Of the present utility model, also have in a specific embodiment, the section configuration of described electric discharge ring is ∧ shape font.
More of the present utility model and in a specific embodiment, the width of described discharging gap is 0.5-3 ㎜.
In of the present utility model and then a specific embodiment, described insulation isolation pad and insulation dottle pin are teflon pad.
Of the present utility model again more and in a specific embodiment, described insulation encapsulated layer is epoxy resin lamination glass fiber cloth layer.
In again of the present utility model and then a specific embodiment, the length of described discharge cavity equates with the thickness of described downstream conduit flange.
The technological scheme that the utility model provides is owing to forming and having discharge cavity between the inwall at sleeve and the outer wall of downstream conduit flange, and on the outer wall of downstream conduit flange, form and have electric discharge ring, thereby when produce such as by static or thunderbolt, caused electric current time, electric discharge ring can be by electric current Spontaneous release, thereby guarantees the safety of pipeline.
Accompanying drawing explanation
Fig. 1 is example structure figure of the present utility model.
Fig. 2 is the sectional view of Fig. 1.
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, claimant elaborates the mode with embodiment below, but to embodiment's description, be not all the restriction to the utility model scheme, 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.
Refer to Fig. 1 and Fig. 2, a upstream conduit 1 and a downstream conduit 2 as the structural system of pipeline have been provided, upstream conduit 1 is that the right-hand member formation of location status shown in Fig. 1 and Fig. 2 has a upstream conduit flange 11 towards one end of downstream conduit 2, and the left end formation that downstream conduit 2 is location status shown in Fig. 1 and Fig. 2 towards one end of upstream conduit 1 has a downstream tremie method orchid 21, upstream and downstream conduit flange 11,21 is left and right correspondence each other, but is that insulation is separated each other.
The technological points of the technological scheme providing as the utility model, between the inwall at middle part of aforementioned sleeve 3 and the outer wall of downstream conduit flange 21, maintain space, by this space, be configured to discharge cavity 31, and on the outer wall of downstream conduit flange 21 (on the outer wall corresponding to discharge cavity 31) and form around the circumferencial direction of downstream conduit flange 21 and have an electric discharge ring 211 that is raised in the outer wall surface of downstream conduit flange 21, the end of this electric discharge ring 211 is discontiguous with the inwall of sleeve 3, that is to say between electric discharge ring 211 and the inwall of sleeve 3 and maintain discharging gap 2111.Aforesaid insulation isolation pad 4 is arranged between the side facing each other of upstream conduit flange 11 and downstream conduit flange 21, by this insulation isolation pad 4, conduit flange 11,21 insulation in upstream and downstream are separated, and the left surface of downstream conduit flange 21 and the insulation of the middle part of sleeve 3 are separated, aforesaid felt pad 5 is arranged on the flanged surface on downstream conduit flange 21(diagram right side) with the insulation isolation fitting surface 32 of sleeve 3 between, by this insulation dottle pin 5, make between the aforementioned the other end (illustrated right-hand member) of downstream conduit flange 21 and sleeve 3 the formation separation of insulating.
Shown in Fig. 1 and Fig. 2, between the inwall of the other end (diagram right-hand member) of aforementioned sleeve pipe 3 and the outer wall of downstream conduit 2, be provided with for making to form between sleeve 3 and downstream conduit 2 the insulation encapsulated layer 33 of insulated enclosure, in the present embodiment, by epoxy resin lamination glass fiber cloth layer (also can claim epoxy resin impregnated glass fibre layer of cloth), fill the post of insulation encapsulated layer 33.
Preferably, at aforesaid upstream conduit flange 11, towards a side (illustrated left side) of insulation isolation pad 4, offer a upstream conduit flange seal ring recess 111, and in this upstream conduit flange seal ring recess 111, be embedded with a upstream conduit flange seal ring 1111, this upstream conduit flange seal ring 1111 contacts with the left side of insulation isolation pad 4 with the side of aforesaid insulation isolation pad 4 towards upstream conduit flange 11; Equally, at aforesaid downstream conduit flange 21, towards a side (illustrated right side) of insulation isolation pad 4, offer the blue seal groove 212 of a downstream tremie method, and in this downstream conduit flange seal ring recess 212, be embedded with and swim conduit flange seal ring 2121, this downstream conduit flange seal ring 2121 contacts with the right side of insulation isolation pad 4 with the side of aforesaid insulation isolation pad 4 towards downstream conduit flange 21.
On the outer wall of aforesaid upstream conduit flange, also form have one be raised in upstream conduit flange 11 outer wall surface be welded and fixed flange 111, this is welded and fixed flange 111 and also can be described as welding step circle, the end face of one end of aforesaid sleeve 3 (end face of left end) by solder layer 34 be welded and fixed flange 112 and be welded and fixed.Known according to professional general knowledge, one end of sleeve 3 is that the wall thickness of illustrated left end adapts with the height that is welded and fixed flange 112.
Preferably, aforesaid insulation isolation pad 4 and insulation dottle pin 5 all adopt teflon pad.
Preferably, the section configuration of aforesaid electric discharge ring 211 is ∧ font (or claiming inverted V font); Discharge ring 211 distal end faces (top end face) and the spacing between the inwall of sleeve 3 of the width of aforesaid discharging gap 2111 is 0.5-3 ㎜, is 1-2.5 ㎜ preferably, is 1.2-2.2 ㎜ better, is preferably 1.5-2 ㎜, and the present embodiment is 1.8 ㎜; The length of aforesaid discharge cavity 31 equates with the thickness of downstream conduit flange 21, and shown in Fig. 1 and Fig. 2, the length of discharge cavity 31 is insulation isolation pad 4 and the spacing insulating between dottle pin 5.
In sum; the technological scheme that the utility model provides has made up the shortcoming in prior art; completed invention task; cashed the technique effect referring in the superincumbent technique effect of claimant hurdle, can yet be regarded as is a ultimate attainment technological scheme and can be at gas transmission and distribution pipeline, oil product pipeline and similarly use and can show the beyond thought safety protection effect to pipeline on pipeline.
Claims (10)
1.
the insulating joint that a kind of pipeline is used, described pipeline comprises upstream conduit (1) and downstream conduit (2), upstream conduit (1) forms and has a upstream conduit flange (11) towards one end of downstream conduit (2), and downstream conduit (2) has a downstream tremie method blue (21) towards one end of upstream conduit (1) formation, on, downstream conduit flange (11, 21) correspond to each other, described insulating joint comprises sleeve (3), insulation isolation pad (4) and insulation dottle pin (5), one end of sleeve (3) is fixedly connected with upstream conduit flange (11), the middle part of sleeve (3) is corresponding with the outer wall of downstream conduit flange (21), and form insulated enclosure between the other end of sleeve (3) and the outer wall of downstream conduit (2), coordinate, it is characterized in that forming and having a discharge cavity (31) between the inwall of described sleeve (3) and the outer wall of described downstream conduit flange (21), and form, there is an electric discharge ring (211) that is raised in the outer wall surface of downstream conduit flange (21) on the described outer wall of downstream conduit flange (21) and around the circumferencial direction of downstream conduit flange (21), between this electric discharge ring (211) and the inwall of sleeve (3), maintain discharging gap (2111), described insulation isolation pad (4) is arranged on, downstream conduit flange (11, 21) between the side facing each other, described insulation dottle pin (5) is arranged between the insulation isolation fitting surface (32) of downstream conduit flange (21) and sleeve (3).
2.
the insulating joint that pipeline according to claim 1 is used, is characterized in that being provided with between the inwall of the described the other end of described sleeve (3) and the outer wall of described downstream conduit (2) for making sleeve (3) and downstream conduit (2) form the insulation encapsulated layer (33) of insulated enclosure.
3.
the insulating joint that pipeline according to claim 1 is used, it is characterized in that towards a side of described insulation isolation pad (4), offering a upstream conduit flange seal ring recess (111) at described upstream conduit flange (11), in this upstream conduit flange seal ring recess (111), be embedded with a upstream conduit flange seal ring (1111), this upstream conduit flange seal ring (1111) contacts with described insulation isolation pad (4).
4.
the insulating joint that pipeline according to claim 1 is used, it is characterized in that towards a side of described insulation isolation pad (4), offering the blue seal groove (212) of a downstream tremie method at described downstream conduit flange (21), in this downstream conduit flange seal ring recess (212), be embedded with and swim conduit flange seal ring (2121), downstream conduit flange seal ring (2121) contacts with insulation isolation pad (4).
5.
the insulating joint that pipeline according to claim 1 is used, it is characterized in that forming on the outer wall of described upstream conduit flange (11) one be raised in upstream conduit flange (11) outer wall surface be welded and fixed flange (112), described one end of described sleeve (3) and this are welded and fixed flange (112) and are welded and fixed.
6.
the insulating joint that pipeline according to claim 1 is used, is characterized in that the section configuration of described electric discharge ring (211) is ∧ shape font.
7.
the insulating joint that pipeline according to claim 1 is used, is characterized in that the width of described discharging gap (2111) is 0.5-3 ㎜.
8.
the insulating joint that pipeline according to claim 1 is used, is characterized in that described insulation isolation pad (4) and insulation dottle pin (5) are teflon pad.
9.
the insulating joint that pipeline according to claim 2 is used, is characterized in that described insulation encapsulated layer (33) is epoxy resin lamination glass fiber cloth layer.
10.
the insulating joint that pipeline according to claim 1 is used, is characterized in that the length of described discharge cavity (31) equates with the thickness of described downstream conduit flange (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320509209.1U CN203413262U (en) | 2013-08-19 | 2013-08-19 | Insulating joint for pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320509209.1U CN203413262U (en) | 2013-08-19 | 2013-08-19 | Insulating joint for pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203413262U true CN203413262U (en) | 2014-01-29 |
Family
ID=49976150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320509209.1U Expired - Fee Related CN203413262U (en) | 2013-08-19 | 2013-08-19 | Insulating joint for pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203413262U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
-
2013
- 2013-08-19 CN CN201320509209.1U patent/CN203413262U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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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: 20140129 Termination date: 20200819 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |