CN109838632A - A kind of gas pipeline connecting fastening anti-seperation - Google Patents
A kind of gas pipeline connecting fastening anti-seperation Download PDFInfo
- Publication number
- CN109838632A CN109838632A CN201711225856.9A CN201711225856A CN109838632A CN 109838632 A CN109838632 A CN 109838632A CN 201711225856 A CN201711225856 A CN 201711225856A CN 109838632 A CN109838632 A CN 109838632A
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- CN
- China
- Prior art keywords
- sleeve
- external thread
- internally threaded
- fuel gas
- gas conduit
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- 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.)
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Abstract
The invention discloses a kind of gas pipelines for connecting fastening anti-seperation, including built-in joint and fuel gas conduit, the both ends of the built-in joint are respectively connected with pre-buried adapter tube, the head end of the pre-buried adapter tube is arranged with internally threaded sleeve, the described one end of L-type connecting rod far from internally threaded sleeve is welded on built-in joint, fuel gas conduit is connected with by being threadedly engaged in the pre-buried adapter tube, external thread sleeve is arranged in the fuel gas conduit, by being threadedly engaged connection between the external thread sleeve and corresponding internally threaded sleeve, sliding sleeve is equipped with positioned at the equal movable sleeve in side of external thread sleeve in the fuel gas conduit, one end of sliding sleeve is welded with slip collar, the configuration of the present invention is simple, it is at low cost, and the bonding strength of built-in joint and gas pipeline is enabled to increase, gas pipeline, which is less prone to, to fall off, reduce natural gas leaking feelings The probability that condition occurs, improves safety.
Description
Technical field
The invention belongs to technology of gas pipeline fields, are specifically related to a kind of gas pipeline for connecting fastening anti-seperation.
Background technique
Natural gas line, which refers to, is transported to city from exploitation ground or treatment plant for natural gas (associated gas including oil field production)
The pipeline of city's air distribution center or Industry enterprise customer, also known as gas pipeline, municipal administration gas pipeline in the prior art generally require
Burying work beforehand is first carried out, needs to use built-in joint and connects pipeline, but it is past between traditional built-in joint and gas pipeline
Toward being only threadedly coupled by single layer, although such connection type is simple, low, fuel gas conduit that there is also gas pipeline bonding strengths
Easily there is the case where falling off and leading to natural gas leaking generation in road, and safety is lower.
Summary of the invention
At low cost in order to solve the above technical problem, the present invention provides a kind of structure is simple, bonding strength is high, can be effective
Prevent the gas pipeline of the connection fastening anti-seperation of natural gas leaking.
The technical solution adopted by the present invention is that: a kind of municipal gas pipeline connecting fastening anti-seperation, including built-in joint
And fuel gas conduit, the both ends of the built-in joint are respectively connected with pre-buried adapter tube, the head end of the pre-buried adapter tube is arranged with inner screw sheath
Pipe, and the inner wall of internally threaded sleeve is not contacted with the outer wall of pre-buried adapter tube, four end of outside of the internally threaded sleeve is welded with L
Type connecting rod, the described one end of L-type connecting rod far from internally threaded sleeve are welded on built-in joint, pass through in the pre-buried adapter tube
It is threadedly engaged and is connected with fuel gas conduit, external thread sleeve, and the inner wall of external thread sleeve and combustion gas are arranged in the fuel gas conduit
The outer wall of pipe does not contact, is connected and fixed by three fixed links between the external thread sleeve and fuel gas conduit, the outer spiral shell
It is located at the one of external thread sleeve in the fuel gas conduit by being threadedly engaged connection between line casing and corresponding internally threaded sleeve
The equal movable sleeve in side is equipped with sliding sleeve, and one end of sliding sleeve is welded with slip collar, and slip collar is movably set in
In fuel gas conduit, aluminium alloy inner ring is provided on the inside of the slip collar, the sliding sleeve is plugged in corresponding external screw thread
On the inside of casing, it is respectively provided with that there are two semicircle rubber bumps on the outside of the sliding sleeve, the inside of the external thread sleeve is opened
If the semicircle rubber bumps are fastened in corresponding semicircle card slot there are two semicircle card slot.
Preferably, the internally threaded sleeve and external thread sleeve are disposed as rigid casing, and internally threaded sleeve and outer spiral shell
The wall thickness of line casing is 2-4mm.
Preferably, the internal diameter of the slip collar and the internal diameter of sliding sleeve are equal, and the outer diameter of slip collar is greater than outer spiral shell
The outer diameter of line casing.
Compared with prior art, the beneficial effects of the present invention are: the configuration of the present invention is simple, at low cost, the present invention passes through two
Layer is threadedly engaged connection, and (pre-buried adapter tube is connect with fuel gas conduit, external thread sleeve and internally threaded sleeve connect, and internally threaded sleeve is direct
It is fixed on built-in joint) so that the bonding strength of the present invention and built-in joint increases, gas pipeline is less prone to and falls off, drop
The probability that low natural gas leaking happens, improves safety.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is structure enlargement diagram at A in Fig. 1 of the present invention；
Fig. 3 is aluminium alloy inner ring schematic diagram of the present invention.
In figure: built-in joint 1, internally threaded sleeve 3, L-type connecting rod 4, fuel gas conduit 5, external thread sleeve 6, is consolidated pre-buried adapter tube 2
Fixed pole 7, slip collar 8, sliding sleeve 9, semicircle rubber bumps 10, semicircle card slot 11, aluminium alloy inner ring 12.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing.
As shown in Figure 1-3, the present invention includes built-in joint 1 and fuel gas conduit 5, the both ends of built-in joint 1 are respectively connected with pre-buried
Adapter tube 2, the head end of pre-buried adapter tube 2 is arranged with internally threaded sleeve 3, and the outer wall of the inner wall of internally threaded sleeve 3 and pre-buried adapter tube 2 is not
Contact, four end of outside of internally threaded sleeve 3 are welded with L-type connecting rod 4, and the one end of L-type connecting rod 4 far from internally threaded sleeve 3 is welded
It connects on built-in joint 1, is connected with fuel gas conduit 5 by being threadedly engaged in pre-buried adapter tube 2, is arranged with outer spiral shell in fuel gas conduit 5
Line casing 6, and the inner wall of external thread sleeve 6 does not contact with the outer wall of fuel gas conduit 5, between external thread sleeve 6 and fuel gas conduit 5
It is connected and fixed by three fixed links 7, by being threadedly engaged connection between external thread sleeve 6 and corresponding internally threaded sleeve 3,
Internally threaded sleeve 3 and external thread sleeve 6 are disposed as rigid casing, and the wall thickness of internally threaded sleeve 3 and external thread sleeve 6 is
2-4mm, the equal movable sleeve in side that external thread sleeve 6 is located in fuel gas conduit 5 are equipped with sliding sleeve 9, and one end of sliding sleeve 9 is welded
It is connected to slip collar 8, and slip collar 8 is movably set in fuel gas conduit 5, the internal diameter of slip collar 8 is interior with sliding sleeve 9
Diameter is equal, and the outer diameter of slip collar 8 is greater than the outer diameter of external thread sleeve 6, and the inside of slip collar 8 is provided with aluminium alloy inner ring
12, sliding sleeve 9 is plugged in 6 inside of corresponding external thread sleeve, and the outside of sliding sleeve 9 is respectively provided with that there are two half round rubbers
Protrusion 10, the inside of external thread sleeve 6 are opened up there are two semicircle card slot 11, and semicircle rubber bumps 10 are fastened on corresponding
In semicircle card slot 11.
By being threadedly engaged connection for two layers, (pre-buried adapter tube 2 connect the present invention with fuel gas conduit 5, external thread sleeve 6 and internal screw thread
Casing 3 connects, and internally threaded sleeve 3 is directly fixed on built-in joint 1 by L-type connecting rod 4) so that fuel gas conduit 5 compares existing skill
For art, increase with the bonding strength of built-in joint 1, fuel gas conduit 5 is less prone to and falls off, reduce natural gas leaking situation hair
Raw probability, improves safety, after Double-layer threaded connection, by pushing slip collar 8 so that sliding sleeve 9 plug it is right
The inside for the external thread sleeve 6 answered corresponds in semicircle card slot 11, at this time slip collar 8 so that semicircle rubber bumps 10 are stuck in
It is bonded external thread sleeve 6, enables to fixed effect more preferably.
Claims (3)
1. a kind of gas pipeline for connecting fastening anti-seperation, including built-in joint (1) and fuel gas conduit (5), it is characterised in that: described
The both ends of built-in joint (1) are respectively connected with pre-buried adapter tube (2), and the head end of the pre-buried adapter tube (2) is arranged with internally threaded sleeve
(3), and the inner wall of internally threaded sleeve (3) is not contacted with the outer wall of pre-buried adapter tube (2), the outside four of the internally threaded sleeve (3)
End is welded with L-type connecting rod (4), and the L-type connecting rod (4) is welded on built-in joint (1) far from the one end of internally threaded sleeve (3)
On, it is connected with fuel gas conduit (5) by being threadedly engaged in the pre-buried adapter tube (2), is arranged with outer spiral shell on the fuel gas conduit (5)
Line casing (6), and the inner wall of external thread sleeve (6) does not contact with the outer wall of fuel gas conduit (5), the external thread sleeve (6) and
It is connected and fixed by three fixed links (7) between fuel gas conduit (5), the external thread sleeve (6) and corresponding internally threaded sleeve
(3) by being threadedly engaged connection between, the equal movable sleeve in side that external thread sleeve (6) are located on the fuel gas conduit (5) is equipped with
Sliding sleeve (9), one end of sliding sleeve (9) are welded with slip collar (8), and slip collar (8) is movably set in combustion
It on tracheae (5), is provided with aluminium alloy inner ring (12) on the inside of the slip collar (8), the sliding sleeve (9) is plugged in pair
On the inside of the external thread sleeve (6) answered, it is respectively provided with that there are two semicircle rubber bumps (10) on the outside of the sliding sleeve (9), it is described
The inside of external thread sleeve (6) is opened up there are two semicircle card slot (11), and the semicircle rubber bumps (10) are fastened on pair
In the semicircle card slot (11) answered.
2. the gas pipeline of connection fastening anti-seperation according to claim 1, it is characterised in that: the internally threaded sleeve
(3) and external thread sleeve (6) is disposed as rigid casing, and the wall thickness of internally threaded sleeve (3) and external thread sleeve (6) is 2-
4mm。
3. the gas pipeline of connection fastening anti-seperation according to claim 1, it is characterised in that: the slip collar (8)
Internal diameter it is equal with the internal diameter of sliding sleeve (9), the outer diameter of slip collar (8) is greater than the outer diameter of external thread sleeve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711225856.9A CN109838632A (en) | 2017-11-29 | 2017-11-29 | A kind of gas pipeline connecting fastening anti-seperation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711225856.9A CN109838632A (en) | 2017-11-29 | 2017-11-29 | A kind of gas pipeline connecting fastening anti-seperation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109838632A true CN109838632A (en) | 2019-06-04 |
Family
ID=66882018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711225856.9A Withdrawn CN109838632A (en) | 2017-11-29 | 2017-11-29 | A kind of gas pipeline connecting fastening anti-seperation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109838632A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505273A (en) * | 2020-11-20 | 2021-03-16 | 青海蓝博检测科技有限公司 | Quality detection equipment for domestic drinking water installed in household pipeline |
-
2017
- 2017-11-29 CN CN201711225856.9A patent/CN109838632A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505273A (en) * | 2020-11-20 | 2021-03-16 | 青海蓝博检测科技有限公司 | Quality detection equipment for domestic drinking water installed in household pipeline |
| CN112505273B (en) * | 2020-11-20 | 2022-11-29 | 青海蓝博检测科技有限公司 | Quality detection equipment for domestic drinking water installed in household pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190604 |
|
| WW01 | Invention patent application withdrawn after publication |