CN207674016U - Double-layer oil delivery pipe road terminal reducing welding point - Google Patents
Double-layer oil delivery pipe road terminal reducing welding point Download PDFInfo
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- CN207674016U CN207674016U CN201721334132.3U CN201721334132U CN207674016U CN 207674016 U CN207674016 U CN 207674016U CN 201721334132 U CN201721334132 U CN 201721334132U CN 207674016 U CN207674016 U CN 207674016U
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- delivery pipe
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Abstract
Double-layer oil delivery pipe road terminal reducing welding point, including connecting tube, connecting tube is disposed with strength layer from outside to inside, impervious barrier and fused layer, connecting tube includes input section and deferent segment, the diameter of input section is more than the diameter of deferent segment, junction between input section inner wall and deferent segment inner wall is provided with step, ledge surface is arranged at intervals with positioning convex strip along its circumferencial direction, input section and the port side section of deferent segment are not provided with electrode, resistance wire is uniformly surrounded in fused layer, correspondence is connected with two electrodes respectively at resistance wire both ends, input section and deferent segment side wall be respectively set there are one be located at strength layer in peep hole, it is in the observation hole post of acicular texture there are one being plugged respectively in two peep holes.The utility model is simple in structure, the operation is stable, be easily installed, simple operation, bonding strength are high, good seal performance.
Description
Technical field
The utility model belongs to oil pipeline joint technical field more particularly to a kind of weldering of double-layer oil delivery pipe road terminal reducing
Connector.
Background technology
There are two main classes for existing gas station's Buried Oil Pipelines, and one kind is the seamless steel pipe of transmission, such pipeline exists
The problem of corrosion failure oil leak, not only influences gasoline purity, polluted underground water source, it is also possible to cause safety accident；It is another kind of to be
Plastic layers multiple tube, such pipeline have inner wall to be designed with static conductive layer and impervious barrier successively outward so that pipeline has excellent
The performances such as corrosion-resistant, impermeable and electrostatic dissipation.With the raising of national environmental standard, to the environmental-protecting performance of equipment In Oil Service Station
It is required that higher and higher.Gas station's oil pipeline is also increasingly paid attention to by country as one of main source of leakage in gas station.
Gas station preferably selects in double-layer oil delivery pipe road the nonmetallic composite manufacture for being suitble to oil product conveying.Relatively broad non-of current application
Metallic composite is mainly the thermoplastics such as polyethylene.There are two types of the major ways welded at present for polyethylene pipe, and one
Kind is sweat soldering, and another kind is electric fusion welding.Connector used by existing oil pipeline terminal, connection type it is close
Envelope property is poor, and bonding strength is not high, is easy to thread off after a period of use, the leakage of oil is caused, so as to cause the wave of resource
Take.
Utility model content
The utility model in order to solve shortcoming in the prior art, provide it is a kind of it is simple in structure, the operation is stable, be convenient for
Installation, simple operation, bonding strength be high, good seal performance double-layer oil delivery pipe road terminal reducing welding point.
In order to solve the above technical problems, the utility model adopts the following technical solution：The terminal reducing weldering of double-layer oil delivery pipe road
Connector, including connecting tube, connecting tube are disposed with strength layer, impervious barrier and fused layer from outside to inside, and connecting tube includes defeated
Enter section and deferent segment, the diameter of input section is more than the diameter of deferent segment, the junction between input section outer wall and deferent segment outer wall
With taper, the junction between input section inner wall and deferent segment inner wall is provided with step, and ledge surface is between its circumferencial direction
Every being provided with positioning convex strip, positioning convex strip and fused layer are in integral structure, and the port side section of input section and deferent segment is not arranged
There is electrode, be uniformly surrounded with resistance wire in fused layer, correspondence is connected with two electrodes respectively at resistance wire both ends, input section and defeated
Go out section side wall and be respectively set that there are one the peep holes being located in strength layer, plugs that there are one be in needle-shaped knot in two peep holes respectively
There is the observation hole post of structure gap, observation hole post inner end are extend between peep hole column outer wall and peep hole inner wall in fused layer,
Observation hole post outer end is connected with the external world.
Boss is provided on the input section side wall, boss is in integral structure with strength layer, and detection hole is offered in boss,
Detection hole is connected with input section inner cavity, and installation set, installation set outer wall and detection hole inner wall interference fit are provided in detection hole,
Installation set internal thread is connected with oil leak monitoring elbow.
It is in the pipe of integral structure that the electrode, which includes with strength layer, and metallic conduction head, metallic conduction are inserted in pipe
Head inner end is connected with resistance wire, and metallic conduction head outer end is connected with the external world.
It is disposed as arc structure at the top of each positioning convex strip.
It is provided with dust plug on the oil leak monitoring elbow.
The pipe end set has dustproof cover.
The port inner wall of the input section and deferent segment is set as the small pyramidal structure of outer imperial palace.
Using above-mentioned technical proposal, the utility model has the following advantages that：
1, the utility model is arranged at intervals with positioning convex strip in ledge surface along its circumferencial direction, double-layer oil delivery pipe road it is outer
Groove corresponding with positioning convex strip is provided on pipe, during insertion, the groove on double-layer oil delivery pipe road outer tube and positioning
Raised line is mating, on the one hand so that double-layer oil delivery pipe road is fast implemented with connecting tube and docked, on the other hand avoids the double-deck oil transportation
It rotates between the outer tube and connecting tube of pipeline, it is ensured that docked with connecting tube stabilization in double-layer oil delivery pipe road；
2, double-deck defeated when the utility model is used, double-layer oil delivery pipe road terminal is inserted into the input section of connecting tube
The outer tube outer wall and input section inner wall of oil-piping fit closely, and the inner tube in double-layer oil delivery pipe road extend into the deferent segment of connecting tube,
The outer wall of inner tube and deferent segment inner wall in double-layer oil delivery pipe road fit closely, and arc structure is set as at the top of positioning convex strip, and
The port inner wall of input section and deferent segment is set as the small pyramidal structure of outer imperial palace, convenient for docking；Then two electrodes are distinguished
Power on, resistance wire electrified regulation made by metallic conduction head, to which the fused layer in connecting tube will be melted so that
The outer tube in double-layer oil delivery pipe road is merged with input section to be bonded together, and positioning convex strip is in integral structure with fused layer so that double-deck
The outer tube of oil pipeline and merging for input section are more firm, and the inner tube in double-layer oil delivery pipe road is merged with deferent segment is bonded in one
It rises, it is ensured that realize slitless connection between double-layer oil delivery pipe road and connecting tube, greatly reduce the leakage probability at jointing；
3, input section and deferent segment side wall are respectively arranged with observation hole post, and docking is merged with connecting tube in double-layer oil delivery pipe road
During, observation hole post can outward be ejected along peep hole, after observation hole post is ejected certain altitude, you can judgement is double-deck defeated
Oil-piping fusion docking is completed, and is cut off the connection between electrode and external power supply, and cover dustproof cover in electrode tip, is avoided electricity
Enter sundries in extremely, after the cooling of certain time, firm dock is realized in double-layer oil delivery pipe road with connecting tube；
4, oil leak monitoring elbow, when oil leak occurring at double-layer oil delivery pipe road terminal, the oil of leakage are provided in input section
Oil leak is flowed by detection hole to monitor in elbow, such oil leak monitoring elbow will detect the oil of leakage, then send out police
Report, staff can timely processing, prevent the generation of accident；
5, installation set is provided in detection hole, installation set outer wall and detection hole inner wall interference fit, installation set internal thread connect
It is connected to oil leak monitoring elbow and replacement, and good airproof performance is easily installed using above-mentioned connection type, service life is long, oil leak prison
It is provided with dust plug on lateral bending head, sundries is avoided to enter in oil leak monitoring elbow.
Description of the drawings
Fig. 1 is the cross-sectional view of the utility model；
Fig. 2 is the main structure diagram of the utility model；
Fig. 3 is the dimensional structure diagram of the utility model.
Specific implementation mode
As shown in Figs. 1-3, the double-layer oil delivery pipe road terminal reducing welding point of the utility model, including connecting tube, connection
Pipe is disposed with strength layer 1, impervious barrier 2 and fused layer 3 from outside to inside, and connecting tube includes input section 4 and deferent segment 5, input
The diameter of section 4 is more than the diameter of deferent segment 5, and the junction between 5 outer wall of 4 outer wall of input section and deferent segment has taper, input
Junction between 4 inner walls of section and 5 inner wall of deferent segment is provided with step 6, and it is fixed that 6 surface of step is arranged at intervals with along its circumferencial direction
Position raised line 7, positioning convex strip 7 and fused layer 3 are in integral structure, and the port side section of input section 4 and deferent segment 5 is not provided with electricity
Pole is uniformly surrounded with resistance wire 8 in fused layer 3, and correspondence is connected with two electrodes respectively at resistance wire 8 both ends, input section 4 and defeated
Go out 5 side wall of section and be respectively set that there are one the peep holes 9 being located in strength layer 1, plugs that there are one be in needle in two peep holes 9 respectively
The observation hole post 10 of shape structure, observing has gap between 10 outer wall of hole post and 9 inner wall of peep hole, and 10 inner end of observation hole post is stretched into
Into fused layer 3,10 outer end of observation hole post is connected with the external world.
Boss 11 is provided on 4 side wall of the input section, boss 11 is in integral structure with strength layer 1, is opened up in boss 11
There are detection hole 12, detection hole 12 to be connected with 4 inner cavity of input section, installation set 13,13 outer wall of installation set are provided in detection hole 12
It is interference fitted with 12 inner wall of detection hole, 13 internal thread of installation set is connected with oil leak monitoring elbow 14.
It is in the pipe 15 of integral structure that the electrode, which includes with strength layer 1, is inserted with metallic conduction head 16 in pipe 15, gold
Belong to 16 inner end of conductive head with resistance wire 8 to be connected, 16 outer end of metallic conduction head is connected with the external world.
The top of each positioning convex strip 7 is disposed as arc structure.
It is provided with dust plug 17 on the oil leak monitoring elbow 14.
15 end set of the pipe has dustproof cover 18.
The port inner wall of the input section 4 and deferent segment 5 is set as the small pyramidal structure of outer imperial palace.
The utility model is in work in use, double-layer oil delivery pipe road terminal is inserted into the input section 4 of connecting tube, step
6 surfaces are arranged at intervals with positioning convex strip 7 along its circumferencial direction, are provided on the outer tube in double-layer oil delivery pipe road and 7 phase of positioning convex strip
Corresponding groove, during insertion, the groove and positioning convex strip 7 on double-layer oil delivery pipe road outer tube are mating, on the one hand make
Double-layer oil delivery pipe road is fast implemented with connecting tube and is docked, between the outer tube and connecting tube that on the other hand avoid double-layer oil delivery pipe road
It rotates, it is ensured that double-layer oil delivery pipe road is docked with connecting tube stabilization, 4 inner wall of outer tube outer wall and input section in double-layer oil delivery pipe road
It fits closely, the inner tube in double-layer oil delivery pipe road extend into the deferent segment 5 of connecting tube, the outer wall of inner tube in double-layer oil delivery pipe road and output
5 inner walls of section fit closely, and the top of positioning convex strip 7 is set as arc structure, and the port inner wall of input section 4 and deferent segment 5
It is set as the small pyramidal structure of outer imperial palace, convenient for docking, two electrodes is then respectively turned on power supply, pass through metallic conduction head 16
Make 8 electrified regulation of resistance wire, to which the fused layer 3 in connecting tube will be melted so that the outer tube in double-layer oil delivery pipe road with
The fusion of input section 4 is bonded together, and positioning convex strip 7 and fused layer 3 are in integral structure so that the outer tube in double-layer oil delivery pipe road with it is defeated
The fusion for entering section 4 is more firm, and the inner tube in double-layer oil delivery pipe road is merged with deferent segment 5 to be bonded together, it is ensured that double-layer oil delivery pipe
Slitless connection is realized between road and connecting tube, greatly reduces the leakage probability at jointing；5 side of input section 4 and deferent segment
Wall is respectively arranged with observation hole post 10, and during double-layer oil delivery pipe road merges docking with connecting tube, observation hole post 10 can edge
Peep hole 9 ejects outward, after observation hole post 10 is ejected certain altitude, you can the fusion of judgement double-layer oil delivery pipe road has been docked
At, the connection between electrode and external power supply is cut off, and dustproof cover 18 is covered in electrode tip, avoids entering sundries in electrode,
After the cooling of certain time, firm dock is realized in double-layer oil delivery pipe road with connecting tube.Oil leak monitoring is provided in input section 4
Elbow 14, when oil leak occurring at double-layer oil delivery pipe road terminal, the oil of leakage is flowed into oil leak by detection hole 12 and monitors elbow
In 14, such oil leak monitoring elbow 14 will detect the oil of leakage, then send out alarm, staff can locate in time
Reason, prevents the generation of accident；Installation set 13 is provided in detection hole 12,13 outer wall of installation set and 12 inner wall interference of detection hole are matched
It closes, 13 internal thread of installation set is connected with oil leak monitoring elbow 14 and is easily installed replacement, and seal using above-mentioned connection type
Property it is good, service life is long, oil leak monitoring elbow 14 on be provided with dust plug 17, avoid sundries enter oil leak monitoring elbow 14
It is interior.
The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., every foundation
The technical essence of the utility model belongs to this reality to any simple modification, equivalent change and modification made by above example
With the protection domain of new technique scheme.
Claims (7)
1. double-layer oil delivery pipe road terminal reducing welding point, it is characterised in that：Including connecting tube, connecting tube is set successively from outside to inside
It is equipped with strength layer, impervious barrier and fused layer, connecting tube includes input section and deferent segment, and the diameter of input section is more than the straight of deferent segment
Diameter, the junction between input section outer wall and deferent segment outer wall have taper, the company between input section inner wall and deferent segment inner wall
The place of connecing is provided with step, and ledge surface is arranged at intervals with positioning convex strip along its circumferencial direction, and positioning convex strip is with fused layer in one
The port side section of structure, input section and deferent segment is not provided with electrode, and resistance wire, resistance wire two are uniformly surrounded in fused layer
Correspondence is connected with two electrodes respectively at end, and input section and deferent segment side wall are respectively set that there are one the observations in strength layer
Hole is plugged in two peep holes respectively there are one the observation hole post for being in acicular texture, peep hole column outer wall and peep hole inner wall it
Between there is gap, observation hole post inner end to extend into fused layer, observation hole post outer end is connected with the external world.
2. terminal reducing welding point in double-layer oil delivery pipe road according to claim 1, it is characterised in that：The input section side
Boss is provided on wall, boss is in integral structure with strength layer, and detection hole, detection hole and input section inner cavity phase are offered in boss
It is connected to, installation set is provided in detection hole, installation set outer wall and detection hole inner wall interference fit, installation set internal thread are connected with leakage
Oil monitoring elbow.
3. terminal reducing welding point in double-layer oil delivery pipe road according to claim 1 or 2, it is characterised in that：The electrode
Include the pipe with strength layer in integral structure, metallic conduction head, metallic conduction head inner end and resistance wire phase are inserted in pipe
Connection, metallic conduction head outer end is connected with the external world.
4. terminal reducing welding point in double-layer oil delivery pipe road according to claim 1, it is characterised in that：Each positioning
Arc structure is disposed as at the top of raised line.
5. terminal reducing welding point in double-layer oil delivery pipe road according to claim 2, it is characterised in that：The oil leak monitoring
Dust plug is provided on elbow.
6. terminal reducing welding point in double-layer oil delivery pipe road according to claim 3, it is characterised in that：The pipe end
It is provided with dustproof cover.
7. terminal reducing welding point in double-layer oil delivery pipe road according to claim 1, it is characterised in that：The input section and
The port inner wall of deferent segment is set as the small pyramidal structure of outer imperial palace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721334132.3U CN207674016U (en) | 2017-10-17 | 2017-10-17 | Double-layer oil delivery pipe road terminal reducing welding point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721334132.3U CN207674016U (en) | 2017-10-17 | 2017-10-17 | Double-layer oil delivery pipe road terminal reducing welding point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207674016U true CN207674016U (en) | 2018-07-31 |
Family
ID=62953378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721334132.3U Expired - Fee Related CN207674016U (en) | 2017-10-17 | 2017-10-17 | Double-layer oil delivery pipe road terminal reducing welding point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207674016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024176A (en) * | 2019-04-02 | 2020-04-17 | 罗德精密五金(芜湖)股份有限公司 | Joint of welding type gas meter |
-
2017
- 2017-10-17 CN CN201721334132.3U patent/CN207674016U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024176A (en) * | 2019-04-02 | 2020-04-17 | 罗德精密五金(芜湖)股份有限公司 | Joint of welding type gas meter |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180731 Termination date: 20191017 |