CN207740606U - A kind of bilayer three-way connection - Google Patents
A kind of bilayer three-way connection Download PDFInfo
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- CN207740606U CN207740606U CN201721474684.4U CN201721474684U CN207740606U CN 207740606 U CN207740606 U CN 207740606U CN 201721474684 U CN201721474684 U CN 201721474684U CN 207740606 U CN207740606 U CN 207740606U
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- supervisor
- wall
- interior
- branch pipe
- way connection
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Abstract
The utility model discloses a kind of double-deck three-way connections, it is related to polyethylene three-way connection field, the bilayer three-way connection is in T shape, including interior supervisor, outer supervisor, branch pipe and two binding posts, the interior supervisor is coaxially disposed set on outer main pipe and with outer supervisor, the branch pipe extends vertically through outer supervisor and is connected to interior supervisor, and the branch pipe outer wall is tightly connected with outer supervisor.The utility model proposes a kind of double-deck three-way connection for petroleum pipeline to be connected into the double-deck pipe fitting to solve the problems, such as more difficult monitored, the more difficult discovery leakage point of the polyethylene tube of current single layer.
Description
Technical field
The utility model is related to polyethylene three-way connection field more particularly to a kind of double-deck three-way connections.
Background technology
It is essential and particularly important process that the laying of petroleum pipeline, which is in petroleum pipeline construction, currently, polyethylene
It is increasing that pipe fitting is laid with the engineering being attached to petroleum pipeline.Polyethylene tube has service life length, will not get rusty
Advantage.The polyethylene tube used in existing work progress is often single layer pipe fitting, and the polyethylene tube of single layer is using process
If it find that oil is revealed, it is more difficult to be monitored, also more difficult discovery leakage point, and oil leakage can cause larger environment dirty
Dye, seriously it will cause combustion explosions, are brought great potential safety hazard to people's life.
If can by petroleum pipeline polyethylene tube or three-way connection be arranged to bilayer, inner tube is defeated for oil
It send, cavity is divided into one section of one-part form closed cavity between inner tube and outer tube, and pressurize gas is filled in closed cavity, passes through prison
The air pressure change for controlling pressurize gas in different closed cavities will be that maintenance personnel monitors stone to judge whether petroleum pipeline leaks
Oil-piping and searching leakage point bring great convenience.
Invention content
The utility model is asked in order to more difficult monitored, the more difficult discovery leakage point of the polyethylene tube for solving current single layer
Topic proposes a kind of double-deck three-way connection for petroleum pipeline to be connected into the double-deck pipe fitting.
To achieve the goals above, the utility model uses following technical scheme：A kind of bilayer three-way connection, the bilayer
Three-way connection is in T shape, including interior supervisor, outer supervisor, branch pipe and two binding posts, and the interior supervisor is set to outer main pipe simultaneously
It is coaxially disposed with outer supervisor, the branch pipe extends vertically through outer supervisor and is connected to interior supervisor, and the branch pipe outer wall and outer supervisor are close
Envelope connection；
The both ends of outer supervisor's outer wall are respectively provided with a conductive column counterbore, in the corresponding outer supervisor of two conductive column counterbores
Side is respectively provided with the connecting pole of the outer supervisor's inner wall of a connection and interior supervisor's outer wall, the interior supervisor, outer supervisor, branch pipe and connecting pole
It is integrally formed；
Be respectively provided with a binding post in described two conductive column counterbores, the binding post through outer supervisor's wall, connecting pole and
Interior supervisor's wall setting, and binding post upper end does not extend out outer supervisor's appearance wall, lower end does not extend out interior supervisor's inner surface wall；
The both ends of interior supervisor's inner wall are respectively equipped with the first welding area and the second welding area, are set in first welding area
There is the first heating wire, the second heating wire is equipped in second welding area, one between first heating wire and the second heating wire
End electrical connection, the other end are connect with a binding post respectively；
The both ends of outer supervisor's outer wall are respectively provided with the first socket area and the second socket area；On the port outer wall of the branch pipe
It is socketed area equipped with branch pipe.
Preferably, the binding post includes external section, limits section and retaining section, described external section is in the form of a column, the limit
Flange, the retaining section are in pagoda structure shape to position section in a ring, and the retaining section is applied in outer supervisor's wall, connecting pole and interior supervisor
In wall.
Preferably, being arranged with sealing ring in the retaining section, the sealing ring is located at limit section and conductive column counterbore bottom
Between face.
Preferably, described two conductive column counterbores are located at the first socket area and the second socket area.
Preferably, being respectively provided with a thin set, first electric heating on the inner wall of first welding area and the second welding area
Silk and the second heating wire are respectively positioned between interior supervisor's inner wall and thin set.
Therefore, the utility model has the advantages that：1, supervisor is used as main oil feed pipe, is arranged to two layers,
Internal layer transfer oil, outer layer inflation are used for leak supervision situation, convenient for maintenance personnel's maintenance, safeguard；Branch pipe is mainly used for pipeline
It draws for users to use, general branch is shorter, is easy maintenance, using single layer, saves raw material；2, the double-deck three-way connection solves big
The coaxially connected technical barrier of small polyethylene pipe；3, binding post is designed less than outer supervisor's outer wall, and two conductive column counterbores point
Not Wei Yu first socket area and second socket area, outside supervisor outside first socket area and second socket area socket pipe fitting after,
Conductive column counterbore can be closed, can protect that binding post is not corroded and junction has been done further leakage and protected
Shield.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model broken section.
Fig. 2 is the side view of the utility model.
Fig. 3 is the structural schematic diagram after the internal wiring terminal installation of the second socket area.
Fig. 4 is the structural schematic diagram of binding post in the utility model.
Fig. 5 is the structural schematic diagram of the utility model use state.
1：Outer supervisor；2：Interior supervisor；3：Branch pipe；4：Conductive column counterbore；5：Binding post；501：External section；502：Limit section；
503：Retaining section；6：Connecting pole；7：First welding area；8：Second welding area；9：First heating wire；10：Second heating wire；11：
First socket area；12：Second socket area；13：Branch pipe is socketed area；14：Sealing ring；15：Thin set；16：Extension tube attached；17：Inner connecting tube；
18：Branch is taken over.
Specific implementation mode
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings.
A kind of bilayer three-way connection, as shown in Figure 1 and Figure 2, the bilayer three-way connection are in T shape, including interior supervisor 2, outer
1, branch pipe 3 and two binding posts 5 are responsible for, the interior supervisor 2 is set to 1 inside of outer supervisor and is responsible for 1 coaxial arrangement, the branch with outer
Pipe 3 extends vertically through outer supervisor 1 and is connected to interior supervisor 2, and 3 outer wall of the branch pipe is tightly connected with outer supervisor 1；The outer supervisor 1
The both ends of outer wall are respectively provided with a conductive column counterbore 4, and corresponding 1 inside of outer supervisor of two conductive column counterbores 4 is respectively provided with a company
Connect the connecting pole 6 of 1 inner wall of outer supervisor and 2 outer walls of interior supervisor, the interior supervisor 2, outer supervisor 1, branch pipe 3 and the one of connecting pole 6 at
Type；A binding post 5 is respectively provided in described two conductive column counterbores 4, as shown in Figure 3, Figure 4, the binding post 5 runs through outer supervisor
1 wall, connecting pole 6 and the setting of 2 walls of interior supervisor, the binding post 5 includes external section 501, limits section 502 and retaining section 503, described
It is in the form of a column for external section 501, flange, the retaining section 503 are described in inverted pagoda structure shape in a ring for the limit section 502
Retaining section 503 is applied in 2 walls of 1 wall of outer supervisor, connecting pole 6 and interior supervisor, and sealing ring 14 is arranged in retaining section 503, described
Sealing ring 14 is located between limit section 502 and 4 bottom surface of conductive column counterbore.The retaining section 503 can prevent in pyramidal structure is inverted
Only binding post 5 falls off, meanwhile, being inverted pyramidal structure and sealing ring 14 can prevent internal gas or liquid from 5 periphery of binding post
Exudation.5 upper end of binding post does not extend out 1 appearance wall of outer supervisor, and lower end does not extend out 2 inner surface walls of interior supervisor；2 inner walls of the interior supervisor
Both ends are respectively equipped with the first welding area 7 and the second welding area 8, are equipped with the first heating wire 9 in first welding area 7, and described the
The second heating wire 10 is equipped in two welding areas 8, one end is electrically connected between first heating wire, 9 and second heating wire 10, another
End is connect with a binding post 5 respectively；The both ends of 1 outer wall of the outer supervisor are respectively provided with socket area of the first socket area 11 and second
12, described two conductive column counterbores 4 are located at socket area 12 of the first socket area 11 and second, and 5 upper end of binding post does not extend out
Conductive column counterbore 4 can be sealed after being responsible for 1 outside socket welding extension tube attached 16 outside, can protect and connect by 1 appearance wall of outer supervisor
Terminal 5 is not corroded, and further leakage protection has been done in 5 junction of pairs of posts, even if having gas or liquid from binding post 5
Periphery is revealed, and can not be leaked out from conductive column counterbore 4；The port outer wall of the branch pipe 3 is equipped with branch pipe and is socketed area 13.Institute
It states and is respectively provided with a thin set 15, first heating wire, 9 and second heating wire on the inner wall of the first welding area 7 and the second welding area 8
10 are respectively positioned between 2 inner walls of interior supervisor and thin set 15.The pre-determined bit of heating wire and binding post before thin set 15 can be used to be molded,
One layer of protection against leakage is done in 5 bottom end of energy pairs of posts, prevents 5 bottom end of binding post is directly exposed to be responsible for 2 inner wall surfaces inside, product is old
Leakage is easy to happen after change.
In use, being respectively inserted into an inner connecting tube 17 as shown in figure 5, being first responsible in the port at 2 both ends inside so that in two
The port outer wall of take over 17 is located at the first welding area 7 and the second welding area 8 of interior supervisor 2, and two binding posts 5 are connected electricity
Fusing soldering welder, energization welding wait for that inner connecting tube 17 and 2 weldings of interior supervisor finish；Be responsible for outside again on the outside of 1 both ends be respectively arranged one it is external
Pipe 16, using in extension tube attached 16 welding area and heating wire by outer supervisor 1 and 16 welding of extension tube attached, finally by 18 sets of branch take over
Enter 3 welding of branch pipe.At this point, interior supervisor 2 is used for oil transportation with branch pipe 3, cavity is divided between interior supervisor 2 and outer supervisor 1
One section of one-part form closed cavity, and pressurize gas is filled in closed cavity, and it is put into pressure monitor module, the pressure of pressurize gas
Power is less than the pressure of oil in interior supervisor 2, by monitoring the air pressure change of pressurize gas in different closed cavities, to judge oil
Whether pipeline leaks, if 1 leakage of supervisor outside, the air pressure change in closed cavity reduces；If 2 leakage of interior supervisor, oil is just
The closed cavity that can be flow to from interior supervisor 2 between interior supervisor 2 and outer supervisor 1 so that air pressure becomes larger in closed cavity.Thus may be used
See, the double-deck three-way connection will be that maintenance personnel monitors petroleum pipeline and searching leakage point brings great convenience.
Claims (5)
1. a kind of bilayer three-way connection, the bilayer three-way connection is in T shape, it is characterised in that：Including interior supervisor（2）, outer master
Pipe（1）, branch pipe（3）And two binding posts（5）, the interior supervisor（2）Set on outer supervisor（1）It is internal and with outer supervisor（1）Coaxially
Setting, the branch pipe（3）Extend vertically through outer supervisor（1）And with interior supervisor（2）Connection, the branch pipe（3）Outer wall and outer supervisor（1）
It is tightly connected；
The outer supervisor（1）The both ends of outer wall are respectively provided with a conductive column counterbore（4）, two conductive column counterbores（4）It is corresponding outer
Supervisor（1）Inside is respectively provided with the outer supervisor of a connection（1）Inner wall and interior supervisor（2）The connecting pole of outer wall（6）, the interior supervisor
（2）, outer supervisor（1）, branch pipe（3）And connecting pole（6）It is integrally formed；
Described two conductive column counterbores（4）Inside it is respectively provided with a binding post（5）, the binding post（5）Through outer supervisor（1）Wall,
Connecting pole（6）And interior supervisor（2）Wall is arranged, and binding post（5）Upper end does not extend out outer supervisor（1）Appearance wall, lower end do not extend out interior
Supervisor（2）Inner surface wall；
The interior supervisor（2）The both ends of inner wall are respectively equipped with the first welding area（7）With the second welding area（8）, first welding
Area（7）Inside it is equipped with the first heating wire（9）, second welding area（8）Inside it is equipped with the second heating wire（10）, first heating wire
（9）With the second heating wire（10）Between one end be electrically connected, the other end respectively with a binding post（5）Connection；
The outer supervisor（1）The both ends of outer wall are respectively provided with the first socket area（11）With the second socket area（12）；The branch pipe（3）'s
Port outer wall is equipped with branch pipe and is socketed area（13）.
2. a kind of double-deck three-way connection according to claim 1, it is characterised in that：The binding post（5）Including external section
（501）, limit section（502）And retaining section（503）, described external section（501）It is in the form of a column, the limit section（502）It is convex in a ring
Edge, the retaining section（503）In pagoda structure shape, the retaining section（503）It is applied in outer supervisor（1）Wall, connecting pole（6）And it is interior
Supervisor（2）In wall.
3. a kind of double-deck three-way connection according to claim 2, it is characterised in that：The retaining section（503）On be arranged with
Sealing ring（14）, the sealing ring（14）Positioned at limit section（502）With conductive column counterbore（4）Between bottom surface.
4. a kind of double-deck three-way connection according to claim 1, it is characterised in that：Described two conductive column counterbores（4）Point
It Wei Yu not the first socket area（11）With the second socket area（12）.
5. a kind of double-deck three-way connection according to claim 1, it is characterised in that：First welding area（7）With second
Welding area（8）Inner wall on be respectively provided with a thin set（15）, first heating wire（9）With the second heating wire（10）It is respectively positioned on interior master
Pipe（2）Inner wall and thin set（15）Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721474684.4U CN207740606U (en) | 2017-11-08 | 2017-11-08 | A kind of bilayer three-way connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721474684.4U CN207740606U (en) | 2017-11-08 | 2017-11-08 | A kind of bilayer three-way connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207740606U true CN207740606U (en) | 2018-08-17 |
Family
ID=63114282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721474684.4U Active CN207740606U (en) | 2017-11-08 | 2017-11-08 | A kind of bilayer three-way connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207740606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111457162A (en) * | 2020-04-17 | 2020-07-28 | 中船黄埔文冲船舶有限公司 | Double-layer pipe connecting structure and double-layer pipe connecting method |
-
2017
- 2017-11-08 CN CN201721474684.4U patent/CN207740606U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111457162A (en) * | 2020-04-17 | 2020-07-28 | 中船黄埔文冲船舶有限公司 | Double-layer pipe connecting structure and double-layer pipe connecting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315414 No. 71, West Road, Hemudu Town, Yuyao City, Ningbo City, Zhejiang Province Patentee after: Ningbo Yuhua Industrial Co.,Ltd. Address before: 315414 No. 71, West Road, Hemudu Town, Yuyao City, Ningbo City, Zhejiang Province Patentee before: NINGBO YUHUA ELECTRIC APPLIANCE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |