CN208703340U - A kind of fuel gas conduit - Google Patents
A kind of fuel gas conduit Download PDFInfo
- Publication number
- CN208703340U CN208703340U CN201821366741.1U CN201821366741U CN208703340U CN 208703340 U CN208703340 U CN 208703340U CN 201821366741 U CN201821366741 U CN 201821366741U CN 208703340 U CN208703340 U CN 208703340U
- Authority
- CN
- China
- Prior art keywords
- bellows
- fuel gas
- gas conduit
- leakage
- wall
- 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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- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model relates to a kind of fuel gas conduits, its ontology is bellows (1), bellows (1) appearance, which is equipped with, covers modeling layer (11), described modeling layer (11) inner wall that covers axially is provided with leakage diversion trench (12), and leakage diversion trench (12) is communicated with the bellows (1) outer wall；It is described cover modeling layer (11) be also provided with single side leak detection hole (13)；The combustion gas of any one leakage of the bellows (1) is moved to single side leak detection hole (13) by leakage diversion trench (12) and is detected by the detection device outside the fuel gas conduit.Bellows is furnished with dedicated diversion trench in the utility model, thus bellows any one gas leakage can be led by diversion trench in single side leak detection hole so that detection is sensitiveer and alarm much sooner.
Description
Technical field
The utility model relates to a kind of fuel gas conduits of transporting combustible gases.
Background technique
Fuel gas conduit is a kind of pipe special of transporting combustible gases, be it is a kind of replaced with metallic gas pipe hose it is traditional
Snap rubber hose can solve the short defect of rubber tube worm easy to fall off, easy to aging, easy, damaged by rats, service life.
But the bending property of fuel gas conduit, distortion performance and tensile strength are inadequate at present, the service life of fuel gas conduit has
Limit, more seriously existing fuel gas conduit can not carry out accurate measurements and alarm to the pipeline of gas leakage, cause using peace
Full property is inadequate.
Utility model content
The technical issues of the utility model devises a kind of fuel gas conduit, solves is the bending property of current fuel gas conduit, turns round
Qu Xingneng and tensile strength are inadequate, and the service life of fuel gas conduit is limited, and more seriously existing fuel gas conduit can not be to leakage
The pipeline of gas carries out accurate measurements and alarm, cause using safety it is inadequate.
In order to solve above-mentioned technical problem, the utility model uses following scheme:
A kind of fuel gas conduit, it is characterised in that: its ontology is bellows (1), and bellows (1) appearance, which is equipped with, covers modeling layer
(11), described modeling layer (11) inner wall that covers axially is provided with leakage diversion trench (12), and leakage diversion trench (12) and the bellows (1) are outside
Wall communicates；It is described cover modeling layer (11) be also provided with single side leak detection hole (13)；The combustion gas of any one leakage of the bellows (1)
It is moved to by leakage diversion trench (12) to single side leak detection hole (13) and is filled by the detection outside the fuel gas conduit
Set detection.
Further, the circular passage that multiple ripples are formed on bellows (1) outer wall can import the combustion gas of leakage
In the leakage diversion trench (12)；Or the circular passage that multiple ripples are formed on bellows (1) outer wall can will be described
Diversion trench (12) are leaked to import in single side leak detection hole (13).
Further, the end of the bellows (1) is equipped with connector, and the connector includes nut movable part (2) and spiral shell
Along the bellows (1) position can axially occur for female fixed part (4), nut movable part (2) relative to nut fixed part (4)
It moves；Bottom in first cavity of the nut fixed part (4) is equipped with seal washer (41), and the inner wall of the first cavity is equipped with snap ring
(3), the snap ring (3), which is stuck between two adjacent ripples of the bellows (1), ensures that the bellows (1) does not depart from；Institute
It states bellows (1) and withstands the seal washer (41), rotate the nut movable part (2) and three is fixed.
Further, it is carried out between the nut movable part (2) and the bellows (1) outer wall by T-type sealing ring (21)
Sealing is sealed between the nut movable part (2) and the nut fixed part (4) by O-ring seal (22).
Further, the second cavity bottom of the nut fixed part (4) is equipped with gasket seal (42), the nut fixed part
(4) the second cavity inner wall is equipped with internal screw thread (43), and gas joint be spirally connected by internal screw thread (43) and the fuel gas conduit solid
It is fixed.
Further, the second cavity outer wall of the nut fixed part (4) is equipped with external screw thread (44), and gas joint passes through outer
Screw thread (44) and the fuel gas conduit carry out the fixation that is spirally connected.
Further, the material of the bellows (1) is stainless steel
The fuel gas conduit has the advantages that compared with general gas pipe
(1) bellows is furnished with dedicated diversion trench in the utility model, thus bellows any one gas leakage can
To be led in single side leak detection hole by diversion trench, so that detection is sensitiveer and alarms much sooner.
(2) the utility model bellows long service life, and it is easy for installation, bellows does not have to manufacture flange face, passes through spiral shell
Mother's connection can realize Fast Installation and may insure good air-tightness.
(3) the utility model uses bellows, therefore superior in bending property, distortion performance and tensile strength performance, prolongs
The service life of fuel gas conduit is grown.
Detailed description of the invention
Fig. 1: ripple caliber is to sectional area schematic diagram in the utility model；
Fig. 2: the first structural schematic diagram of the connector of the utility model bellows；
Fig. 3: second of structural schematic diagram of connector of the utility model bellows.
Description of symbols:
1-bellows；11-cover modeling layer；12-leakage diversion trenches；13-single side leak detection holes；2-nut movable parts；
21-T-type sealing rings；22-O-ring seals；3-snap rings；4-nut fixed parts；41-seal washers；42-gasket seals；
43-internal screw threads；44-external screw threads.
Specific embodiment
Below with reference to Fig. 1 to Fig. 3, the utility model is described further:
As shown in Figure 1, a kind of fuel gas conduit, ontology is bellows 1, and 1 appearance of bellows, which is equipped with, covers modeling layer 11, covers modeling layer 11
Inner wall is axially provided with leakage diversion trench 12, and leakage diversion trench 12 is communicated with 1 outer wall of bellows；It covers modeling layer 11 and is also provided with single side leakage
Detection hole 13；The combustion gas of any one leakage of bellows 1 is moved to single side leak detection hole 13 simultaneously by leaking diversion trench 12
Detection device detection outside by fuel gas conduit.Detection device detects that gas leakage will start warning device alarm.
The combustion gas of leakage can be imported leakage diversion trench 12 by the circular passage that multiple ripples are formed on 1 outer wall of bellows
In；Alternatively, leakage diversion trench 12 can be imported single side leak detection by the circular passage that multiple ripples are formed on 1 outer wall of bellows
In hole 13.
As shown in Fig. 2, the end of bellows 1 is equipped with connector, the first structure of connector is as follows: connector includes nut
Movable part 2 and nut fixed part 4, nut movable part 2 can be axially displaced along bellows 1 relative to nut fixed part 4；
Bottom in first cavity of nut fixed part 4 is equipped with seal washer 41, and the inner wall of the first cavity is equipped with snap ring 3, and snap ring 3 is stuck in
Ensure that bellows 1 does not depart between two adjacent ripples of bellows 1；Bellows 1 withstands seal washer 41, rotating nuts activity
Three is fixed in portion 2.It is sealed between 1 outer wall of nut movable part 2 and bellows by T-type sealing ring 21, nut
It is sealed between movable part 2 and nut fixed part 4 by O-ring seal 22.
Second cavity bottom of nut fixed part 4 is equipped with gasket seal 42, and the second cavity inner wall of nut fixed part 4 is equipped with
Internal screw thread 43, gas joint carry out the fixation that is spirally connected by internal screw thread 43 and fuel gas conduit.
As shown in figure 3, the end of bellows 1 is equipped with connector, second of structure of connector is as follows: connector includes nut
Movable part 2 and nut fixed part 4, nut movable part 2 can be axially displaced along bellows 1 relative to nut fixed part 4；
Bottom in first cavity of nut fixed part 4 is equipped with seal washer 41, and the inner wall of the first cavity is equipped with snap ring 3, and snap ring 3 is stuck in
Ensure that bellows 1 does not depart between two adjacent ripples of bellows 1；Bellows 1 withstands seal washer 41, rotating nuts activity
Three is fixed in portion 2.It is sealed between 1 outer wall of nut movable part 2 and bellows by T-type sealing ring 21, nut
It is sealed between movable part 2 and nut fixed part 4 by O-ring seal 22.
Second cavity outer wall of nut fixed part 4 is equipped with external screw thread 44, and gas joint passes through external screw thread 44 and fuel gas conduit
Carry out the fixation that is spirally connected.
The structure proximate of Fig. 2 and Fig. 3, the difference of the two are only to be threadedly coupled gas joint in or beyond being respectively adopted to carry out
Connection.
The utility model fuel gas conduit has the following characteristics that
1, bellows performance characteristics:
Bending property: national standard 6 times circulations, the utility model product 10 times circulations；
Distortion performance: not leaking for national standard 6 times, does not leak for the utility model product 10 times；
Tensile strength: national standard 1.8KN, the utility model product are 2.1KN；
It can be seen that These parameters the utility model is far longer than national standard.
2, bellows is furnished with dedicated diversion trench, and if there is ripple tube damage, combustion gas can be flowed by diversion trench direction.
3, pipe fitting material uses high brass, and pipe fitting has dedicated leak after processing, flows out combustion gas from leak,
Trigger warning device.
4, pipe fitting long service life, and it is easy for installation, bellows does not have to manufacture flange face.
5, sealing ring: oil resistant, heatproof, elasticity is good, and it is good to repeat installation sealing effect.Pass through the surfaces externally and internally shape specially designed
Shape makes itself and bellows surface and joint surface under axial force pressurization, fits closely, plays the dual of sealing and axial retention
Effect.
Illustrative description has been carried out to the utility model above in conjunction with attached drawing, it is clear that the realization of the utility model not by
The limitation of aforesaid way, if the method concept of the utility model and the various improvement of technical solution progress are used, or without
It improves and the conception and technical scheme of the utility model is directly applied into other occasions, in the protection scope of the utility model
It is interior.
Claims (7)
1. a kind of fuel gas conduit, it is characterised in that: its ontology is bellows (1), and bellows (1) appearance, which is equipped with, covers modeling layer
(11), described modeling layer (11) inner wall that covers axially is provided with leakage diversion trench (12), and leakage diversion trench (12) and the bellows (1) are outside
Wall communicates；It is described cover modeling layer (11) be also provided with single side leak detection hole (13)；The combustion gas of any one leakage of the bellows (1)
Single side leak detection hole (13) is moved to and by the detection device outside the fuel gas conduit by the leakage diversion trench (12)
Detection.
2. fuel gas conduit according to claim 1, it is characterised in that: the ring that multiple ripples are formed on bellows (1) outer wall
Shape channel can import the combustion gas of leakage in the leakage diversion trench (12)；Or multiple waves on bellows (1) outer wall
The circular passage that line is formed can import the leakage diversion trench (12) in single side leak detection hole (13).
3. fuel gas conduit according to claim 1 or claim 2, it is characterised in that: the end of the bellows (1) is equipped with connector, institute
Stating connector includes nut movable part (2) and nut fixed part (4), and nut movable part (2) can relative to nut fixed part (4)
It is axially displaced along the bellows (1)；Bottom in first cavity of the nut fixed part (4) is equipped with seal washer
(41), the inner wall of the first cavity is equipped with snap ring (3), and the snap ring (3) is stuck between two adjacent ripples of the bellows (1)
Ensure that the bellows (1) does not depart from；The bellows (1) withstands the seal washer (41), rotates the nut movable part
(2) three is fixed.
4. fuel gas conduit according to claim 3, it is characterised in that: the nut movable part (2) and the bellows (1) outer wall
Between be sealed by T-type sealing ring (21), pass through between the nut movable part (2) and the nut fixed part (4) O-shaped
Sealing ring (22) is sealed.
5. fuel gas conduit according to claim 4, it is characterised in that: the second cavity bottom of the nut fixed part (4) is equipped with
Second cavity inner wall of gasket seal (42), the nut fixed part (4) is equipped with internal screw thread (43), and gas joint passes through internal screw thread
(43) fixation that is spirally connected is carried out with the fuel gas conduit.
6. fuel gas conduit according to claim 4, it is characterised in that: set on the second cavity outer wall of the nut fixed part (4)
Have external screw thread (44), gas joint carries out the fixation that is spirally connected by external screw thread (44) and the fuel gas conduit.
7. according to the fuel gas conduit of claim 5 or 6, it is characterised in that: the material of the bellows (1) is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821366741.1U CN208703340U (en) | 2018-08-23 | 2018-08-23 | A kind of fuel gas conduit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821366741.1U CN208703340U (en) | 2018-08-23 | 2018-08-23 | A kind of fuel gas conduit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208703340U true CN208703340U (en) | 2019-04-05 |
Family
ID=65944015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821366741.1U Expired - Fee Related CN208703340U (en) | 2018-08-23 | 2018-08-23 | A kind of fuel gas conduit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208703340U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792800A (en) * | 2019-11-15 | 2020-02-14 | 日丰企业（佛山）有限公司 | Gas valve |
| CN114414619A (en) * | 2022-01-19 | 2022-04-29 | 成都秦川物联网科技股份有限公司 | Energy metering device embedded with information security management module and Internet of things system |
| CN114414151A (en) * | 2022-01-19 | 2022-04-29 | 成都秦川物联网科技股份有限公司 | Synchronous operation type energy metering device with built-in gateway and Internet of things system |
-
2018
- 2018-08-23 CN CN201821366741.1U patent/CN208703340U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792800A (en) * | 2019-11-15 | 2020-02-14 | 日丰企业（佛山）有限公司 | Gas valve |
| CN114414619A (en) * | 2022-01-19 | 2022-04-29 | 成都秦川物联网科技股份有限公司 | Energy metering device embedded with information security management module and Internet of things system |
| CN114414151A (en) * | 2022-01-19 | 2022-04-29 | 成都秦川物联网科技股份有限公司 | Synchronous operation type energy metering device with built-in gateway and Internet of things system |
| CN114414151B (en) * | 2022-01-19 | 2023-06-27 | 成都秦川物联网科技股份有限公司 | Synchronous operation formula energy metering device with built-in gateway and thing networking system |
| CN114414619B (en) * | 2022-01-19 | 2023-08-15 | 成都秦川物联网科技股份有限公司 | Energy metering device embedded with information security management module and Internet of things system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190405 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |