CN208153885U - The novel bent anti-fracture hot melt pipe fitting of bullet - Google Patents
The novel bent anti-fracture hot melt pipe fitting of bullet Download PDFInfo
- Publication number
- CN208153885U CN208153885U CN201820606497.5U CN201820606497U CN208153885U CN 208153885 U CN208153885 U CN 208153885U CN 201820606497 U CN201820606497 U CN 201820606497U CN 208153885 U CN208153885 U CN 208153885U
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- China
- Prior art keywords
- hot melt
- pipe fitting
- melt pipe
- open end
- fracture
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- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The utility model provides a kind of novel bent anti-fracture hot melt pipe fitting of bullet, is related to pipe fitting technical field, solves the illusive technical problem in junction that existing aluminum alloy lining plastic composite pipe is connected thereto part.Hot melt pipe fitting includes the first open end and at least one second open end, ring-shaped step slot is all had at the port of first open end and the second open end, the diameter of ring-shaped step slot is adapted with the outer diameter of aluminum alloy lining plastic composite pipe to be connect, the front end of the non-stripped portion of aluminum alloy lining plastic composite pipe to be connected can be embedded in annular step groove when hot-melt adhesive paste, it is compound in its aluminium alloy extexine in hot melt pipe fitting, interface is more firm, improves the reliability of pipeline.
Description
Technical field
The utility model relates to pipe fitting technical fields, more particularly, to a kind of novel bent anti-fracture hot melt pipe fitting of bullet.
Background technique
Aluminum alloy lining plastic composite pipe is the novel practical pipeline to grow up on the basis of conventional plastic tubing, aluminium alloy lining
Plastic composite outer layer is aluminium-alloy pipe, and internal layer is thermoplastic pipes, the double-layer structure multiple tube being combined through prestressing force, aluminium
Anodic oxidation is passed through on the surface layer of alloy, and inner layer plastic tube is food-grade thermoplastic's plastics, it combines metal and two kinds of materials of plastics
The physical and chemical advantage of material.
Aluminum alloy lining plastic composite pipe uses two kinds of connection types, and respectively hot-melt adhesive paste is connected with electric smelting.
Applicants have discovered that at least there is following technical problem in the prior art：
Aluminum alloy lining plastic composite pipe first has to peeling when using hot-melt adhesive paste, and the aluminium alloy surface layer of connecting portion is removed,
The stripped portion hot-melt adhesive paste to connecting pipe is got up with plastic fastening again, this mode is not compound by aluminium alloy lining plastic
The aluminium alloy part of pipe is compound together to enter, and the junction for enabling aluminum alloy to lining plastic composited pipe is not firm, and intensity is not high.
Utility model content
The purpose of this utility model is to provide a kind of novel bent anti-fracture hot melt pipe fittings of bullet, to solve to deposit in the prior art
Aluminum alloy lining plastic composite pipe be connected thereto the illusive technical problem in junction of part.Many skills provided by the utility model
Many technical effects elaboration as detailed below that optimal technical scheme in art scheme can be generated.
To achieve the above object, the utility model provides following technical scheme：
One kind provided by the utility model it is novel it is bent play anti-fracture hot melt pipe fitting, including the first open end and at least one the
Ring-shaped step slot, the annular table are all had at the port of two open ends, first open end and second open end
The diameter of rank slot and the outer diameter of aluminum alloy lining plastic composite pipe to be connect are adapted, and aluminium alloy lining plastic to be connected is compound when hot-melt adhesive paste
The front end for managing non-stripped portion can be embedded in the ring-shaped step slot, be compound in its aluminium alloy extexine in hot melt pipe fitting.
Optionally, the neck of the hot melt pipe fitting is provided with multiple reinforcing ribs axially outside.
Optionally, multiple reinforcing ribs are uniformly distributed in the neck.
Optionally, the top surface of all reinforcing ribs be below or equal to the hot melt pipe fitting outer wall.
Optionally, there is transition guide part between the ring-shaped step slot and the inner cavity of the hot melt pipe fitting.
Optionally, the inner wall of the hot melt pipe fitting has the cyclic annular limit for limiting aluminum alloy lining plastic composite pipe to be connected
Protrusion.
Optionally, the height of the cyclic annular retention bead is less than the wall of the stripped portion of aluminum alloy lining plastic composite pipe to be connected
It is thick.
Optionally, the hot melt pipe fitting is the straight tube for including first open end and second open end.
Optionally, the hot melt pipe fitting is the right-angle elbow pipe for including first open end and second open end.
Optionally, the hot melt pipe fitting is the tee tube for including first open end and two the second open ends.
The novel bent port for playing anti-fracture hot melt pipe fitting, the first open end and the second open end provided by the utility model
Place all has ring-shaped step slot, and the diameter of ring-shaped step slot is adapted with the outer diameter of aluminum alloy lining plastic composite pipe to be connect, hot melt
The front end of the non-stripped portion of aluminum alloy lining plastic composite pipe to be connected can be embedded in annular step groove when connection, be made outside its aluminium alloy
Surface layer is compound in hot melt pipe fitting, and interface is more firm, improves the reliability of pipeline.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of novel bent schematic perspective view for playing anti-fracture hot melt pipe fitting of the utility model, in the present embodiment
Hot melt pipe fitting is straight tube；
Fig. 2 is the schematic cross-sectional view of Fig. 1；
Fig. 3 is the schematic perspective view of second embodiment of the utility model, and hot melt pipe fitting is right angle in the present embodiment
Bend pipe；
Fig. 4 is the schematic perspective view of the utility model third embodiment, and hot melt pipe fitting is threeway in the present embodiment
Pipe.
1, first open end in figure；2, the second open end；3, ring-shaped step slot；4, neck；5, reinforcing rib；6, transition is oriented to
Portion；7, cyclic annular retention bead.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
The utility model provide it is a kind of it is novel it is bent play anti-fracture hot melt pipe fitting, including the first open end 1 and at least one
Ring-shaped step slot 3 is all had at the port of second open end 2, the first open end 1 and the second open end 2, ring-shaped step slot 3
Diameter and the outer diameter of aluminum alloy lining plastic composite pipe to be connect are adapted, and when hot-melt adhesive paste, aluminum alloy lining plastic composite pipe to be connected was not shelled
The front end of skin portion can be embedded in annular step groove 3, be compound in its aluminium alloy extexine in hot melt pipe fitting.
By the thermoplastic pipes wait expose internal layer after the aluminium-alloy pipe peeling for connecting aluminum alloy lining plastic composite pipe outer layer, the
All have ring-shaped step slot 3 at the port of one open end 1 and the second open end 2, the diameter of ring-shaped step slot 3 and aluminium to be connect
The outer diameter of alloy lining plastic composited pipe is adapted, by the inner cavity of the thermoplastic inner layer insertion hot melt pipe fitting after peeling when hot-melt adhesive paste
Afterwards, the front end of non-stripped portion can be embedded in annular step groove 3, be compound in its aluminium alloy extexine in hot melt pipe fitting, to
The interface of connector and hot melt pipe fitting is more firm, improves the reliability of pipeline.
Optionally embodiment, the neck 4 of hot melt pipe fitting are provided with multiple reinforcing ribs 5 axially outside.
The multiple reinforcing ribs 5 of the setting axially outside of the neck 4 of hot melt pipe fitting, the setting of reinforcing rib 5 can reduce hot melt
Deformation of the pipe fitting in reflow process, and also improve intensity.
Optionally embodiment, multiple reinforcing ribs 5 are uniformly distributed in neck 4.
As depicted in figs. 1 and 2, each neck 4 is respectively provided with two reinforcing ribs 5, and two reinforcing ribs 5 are symmetrical arranged, uniformly divide
The mode of cloth, can guarantee the intensity of 4 annular region of neck everywhere, Reducing distortion, more rationally.
The top surface of optionally embodiment, all reinforcing ribs 5 be below or equal to hot melt pipe fitting outer wall.
The top surface of reinforcing rib 5 be below or equal to hot melt pipe fitting outer wall, it is structurally reasonable, meet product processing technique,
It can be reduced the waste of material.
Optionally embodiment has transition guide part 6 between ring-shaped step slot 3 and the inner cavity of hot melt pipe fitting.
There is transition guide part 6, the peeling of aluminum alloy lining plastic composite pipe between ring-shaped step slot 3 and the inner cavity of hot melt pipe fitting
Thermoplastic inner layer energy more convenient and quicker afterwards it is inserted into the inner cavity of hot melt pipe fitting.
The inner wall of optionally embodiment, hot melt pipe fitting has for limiting aluminum alloy lining plastic composite pipe to be connected
Cyclic annular retention bead 7.
Cyclic annular retention bead 7 can support aluminum alloy lining plastic composite pipe to be connected, and can be inserted into connector to the maximum extent
It is interior and several identical to connector built-in length, it is not in the too short to connector built-in length of certain one end, it is unreliable to connect
The problem of.
Optionally embodiment, the height of cyclic annular retention bead 7 are less than the stripping of aluminum alloy lining plastic composite pipe to be connected
The wall thickness of skin portion.
The height of cyclic annular retention bead 7 is less than the wall thickness of the stripped portion of connection aluminum alloy lining plastic composite pipe, makes its not shadow
The flowing of liquid in speaking pipe road.
As depicted in figs. 1 and 2, hot melt pipe fitting is the straight tube for including one first open end 1 and second open end 2.
Optionally embodiment, as shown in figure 3, hot melt pipe fitting is to include first open end 1 and one second
The right-angle elbow pipe of open end 2.
Optionally embodiment, as shown in figure 4, hot melt pipe fitting is to include first open end 1 and two second
The tee tube of open end 2.
It should be noted that right-angle elbow pipe, tee tube or four-way pipe etc., the corresponding cyclic annular retention bead of each opening
7, i.e., each aluminum alloy lining plastic composite pipe to be connected is corresponding with a cyclic annular retention bead 7, to limit.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be wanted with right
Subject to the protection scope asked.
Claims (10)
1. a kind of novel bent anti-fracture hot melt pipe fitting of bullet, which is characterized in that including the first open end and at least one second opening
Ring-shaped step slot is all had at the port of end, first open end and second open end, the ring-shaped step slot
Diameter and the outer diameter of aluminum alloy lining plastic composite pipe to be connect are adapted, and when hot-melt adhesive paste, aluminum alloy lining plastic composite pipe to be connected was not shelled
The front end of skin portion can be embedded in the ring-shaped step slot, be compound in its aluminium alloy extexine in hot melt pipe fitting.
2. the novel bent anti-fracture hot melt pipe fitting of bullet according to claim 1, which is characterized in that the neck of the hot melt pipe fitting
Be provided with multiple reinforcing ribs axially outside.
3. the novel bent anti-fracture hot melt pipe fitting of bullet according to claim 2, which is characterized in that multiple reinforcing ribs are uniform
It is distributed in the neck.
4. the novel bent anti-fracture hot melt pipe fitting of bullet according to claim 3, which is characterized in that the top of all reinforcing ribs
Face be below or equal to the hot melt pipe fitting outer wall.
5. the novel bent anti-fracture hot melt pipe fitting of bullet according to claim 1, which is characterized in that the ring-shaped step slot and institute
Stating has transition guide part between the inner cavity of hot melt pipe fitting.
6. the novel bent anti-fracture hot melt pipe fitting of bullet according to claim 1-5, which is characterized in that the tempreature bulb
The inner wall of part has the cyclic annular retention bead for limiting aluminum alloy lining plastic composite pipe to be connected.
7. the novel bent anti-fracture hot melt pipe fitting of bullet according to claim 6, which is characterized in that the ring-type retention bead
Height is less than the wall thickness of the stripped portion of aluminum alloy lining plastic composite pipe to be connected.
8. the novel bent anti-fracture hot melt pipe fitting of bullet according to claim 1, which is characterized in that the hot melt pipe fitting is to include
The straight tube of one the first open end and second open end.
9. the novel bent anti-fracture hot melt pipe fitting of bullet according to claim 1, which is characterized in that the hot melt pipe fitting is to include
The right-angle elbow pipe of one the first open end and second open end.
10. the novel bent anti-fracture hot melt pipe fitting of bullet according to claim 1, which is characterized in that the hot melt pipe fitting is packet
Include the tee tube of first open end and two the second open ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820606497.5U CN208153885U (en) | 2018-04-26 | 2018-04-26 | The novel bent anti-fracture hot melt pipe fitting of bullet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820606497.5U CN208153885U (en) | 2018-04-26 | 2018-04-26 | The novel bent anti-fracture hot melt pipe fitting of bullet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208153885U true CN208153885U (en) | 2018-11-27 |
Family
ID=64375514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820606497.5U Expired - Fee Related CN208153885U (en) | 2018-04-26 | 2018-04-26 | The novel bent anti-fracture hot melt pipe fitting of bullet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208153885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550633A (en) * | 2020-05-11 | 2020-08-18 | 中国电子科技集团公司第三十八研究所 | Polyether-ether-ketone pipe joint and welding method thereof |
-
2018
- 2018-04-26 CN CN201820606497.5U patent/CN208153885U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550633A (en) * | 2020-05-11 | 2020-08-18 | 中国电子科技集团公司第三十八研究所 | Polyether-ether-ketone pipe joint and welding method thereof |
| CN111550633B (en) * | 2020-05-11 | 2022-02-01 | 中国电子科技集团公司第三十八研究所 | Polyether-ether-ketone pipe joint and welding method thereof |
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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: 20181127 Termination date: 20190426 |