CN2914439Y - Heat-shrinkable pipe covering bifurcated line - Google Patents
Heat-shrinkable pipe covering bifurcated line Download PDFInfo
- Publication number
- CN2914439Y CN2914439Y CN 200520121338 CN200520121338U CN2914439Y CN 2914439 Y CN2914439 Y CN 2914439Y CN 200520121338 CN200520121338 CN 200520121338 CN 200520121338 U CN200520121338 U CN 200520121338U CN 2914439 Y CN2914439 Y CN 2914439Y
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- CN
- China
- Prior art keywords
- heat
- wire harness
- main pipe
- bifurcated
- pipe body
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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.)
- Expired - Lifetime
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Abstract
The utility model discloses a heat shrinkable tube covering bifurcated wire harness. The heat shrinkable tube comprises a main pipe body made of heat shrinkable materials, and is characterized in that at least an auxiliary pipe body made of heat shrinkable materials is arranged on the wall of the main pipe body, connected with the main pipe body in a fork-shape manner and communicated with the main pipe body; and the diameters and the shapes of the main and auxiliary pipe bodies after heat deformation are different those before the heat deformation. Before heating to the melting temperature of the heat shrinkable materials, the pipe body has a larger diameter, which facilitates the insertion of wire harness; and the pipe body will deform when heating to the melting temperature and shrink to tightly cover the outer surface of the wire harness. The utility model has convenient application, simple operation, and good profile, and has insulation, damp-proof, anticorrosive, sealing and mechanical protection functions, and the bifurcated position can bear a certain external tensile force. The heat shrinkable tube can be widely used for covering bifurcated wire harness of communication and power cables as the substitute of accessories of communication and power cables, and also can be used for covering bifurcated point of other pipes or lines.
Description
Technical field
The wire harness that the utility model relates to by casing protection connects, and especially relates to a kind of heat-shrink tube that coats the bifurcated wire harness.
Background technology
Heat-shrinkage material, claim polymer shape memory material again, as crystallizations such as polyolefin, polyethylene or amorphous polymeric materials all is linear structure usually, the process high-energy radiation takes place crosslinked and causes material property to have " shape memory effect ", heat-shrinkage material after this expansion is reheated crystalline melting temperature, and original form that meeting " memory " plays it when not expanding is also shunk again and is recovered former state.The heat-shrinkage material key property is that the heat shrink hard-pressed bale overlays on external surface of objects, play insulation, protection against the tide, anticorrosion, effect such as seal, protect and continue.Existing pyrocondensation communication, electric cable fitting are widely used in electric wire connection, solder joint protection and insulation processing; one electric wire crust is cut; after exposing inner lead and another electric wire being connected, adopt pyrocondensation communication, the sealing of electric power wire harness annex again.And the breakout cable of existing communication, electric power generally is to adopt the bigger core of a cable of strip material coiling diameter, twines the less core of a cable of isolated diameter with strip material again at crotch, and its operation is more loaded down with trivial details, and wire harness scatters easily; Outward appearance is more coarse, does not have sealing property again, and especially crotch damages easily when being subjected to external pull, breaks without any mechanical protection.Yet, have not yet to see at the core of a cable crotch and directly use the heat-shrink tube that coats the bifurcated wire harness.
Summary of the invention
Technical problem to be solved in the utility model is the defective that remedies prior art, proposes a kind of heat-shrink tube that coats the bifurcated wire harness.
Technical problem of the present utility model is solved like this:
The heat-shrink tube of this coating bifurcated wire harness comprises the main pipe who is made by material contracting with heat.
The characteristics of the heat-shrink tube of this coating bifurcated wire harness are:
Be responsible for body wall and be provided with looped pipeline body that at least one is made by material contracting with heat, described looped pipeline body and main pipe are forked and are connected and inside communicates;
It is different that the caliber of described main pipe and looped pipeline body and shape are out of shape forward and backward state in pyrocondensation.Before the pyrocondensation distortion, caliber is bigger, and the convenient wire harness that injects after the pyrocondensation distortion, recovers the not former state of expansion, wraps the outer surface that is coated on wire harness.
Technical problem of the present utility model is to solve according to qualifications like this:
The inner wall surface of described main pipe, looped pipeline body is provided with sealant layer, with moistureproof, waterproof.
Technical problem of the present utility model is further to solve like this:
State before the described pyrocondensation distortion is, state to the crystalline melting temperature of material is not heated.
State after the described pyrocondensation distortion is, state to the crystalline melting temperature of material is heated.
The caliber ratio of described main pipe and looped pipeline body is arbitrarily, and suiting, the long-pending crotch that equates or differ bigger uses in trunk wire harness and Y-track area of beam.
Described looped pipeline body and main pipe's bifurcation angle also is arbitrarily, and suiting has the crotch of a plurality of bifurcated wire harness to use at the trunk wire harness.
The sealant layer of described main pipe, looped pipeline body inner wall surface is a hot melt adhesive layer.PUR is heated can flow to fusing and fills space between heat-shrink tube and wire harness, improves moistureproof, water resistance.
The material contracting with heat of described making main pipe and looped pipeline body comprises polyurethanes thermoplastic elastomer (TPE) (PUE), polyolefins thermoplastic elastomer (TPO), styrene analog thermoplastic elastomer (SBS) and ethene one octene copolymer (POE) thermoplastic elastomer (TPE).
The beneficial effects of the utility model are: easy to use, simple to operate, wire harness can not scatter, and the profile better appearance not only has insulation, protection against the tide, anticorrosion, sealing function, also has mechanical protection, and crotch can bear certain external pull.The bifurcated wire harness sealed packet that the substitute products that the utility model can be used as communication, electric cable fitting are widely used in communication, power cable covers, and the sealing that also can be used for other pipe, line crotch coats.
Description of drawings
Below in conjunction with embodiment and contrast accompanying drawing the utility model is described in further detail.
Fig. 1 is the structural representation before the utility model one embodiment caliber pyrocondensation distortion;
Fig. 2 is the structural representation after the embodiment caliber pyrocondensation of Fig. 1 is out of shape;
Fig. 3 is the single tine type structural representation before the caliber pyrocondensation distortion of the present utility model;
Fig. 4 is the multi-branched type structural representation before the caliber pyrocondensation distortion of the present utility model;
Fig. 5 is the π forked type structural representation before the caliber pyrocondensation distortion of the present utility model.
Embodiment
A kind of heat-shrink tube that coats breakout cable
The heat-shrink tube of coating breakout cable as shown in Figure 1, 2 comprises the main pipe 1 who is made by polyolefins thermoplastic elastomer.
Main pipe's 1 wall is provided with a looped pipeline body 2 of being made by polyolefins thermoplastic elastomer, and looped pipeline body 2 and main pipe 1 are forked and are connected and inside communicates.
It is different that the caliber of main pipe 1 and looped pipeline body 2 and shape are out of shape forward and backward state in pyrocondensation.Be not heated to the crystalline melting temperature of material, caliber is bigger, and the convenient core of a cable that injects in the caliber distortion to the crystalline melting temperature of material of being heated, shrinks and recovers the not former state of expansion, wraps the outer surface that is coated on core of a cable.
The inner wall surface of main pipe 1, looped pipeline body 2 is provided with sealant layer 3.
During use core of a cable is passed from main pipe 1, the core of a cable that needs are separated passes from looped pipeline body 2.Suitable position is selected in requirement when installing and using at the scene according to core of a cable, and heating main pipe 1, looped pipeline body 2 shrink it, just can satisfy the requirement of site operation.The sealant layer 3 of inner wall surface plays sealing and waterproof effect.Heat-shrink tube is made by polyolefins thermoplastic elastomer; itself has certain mechanical strength; can play the effect of mechanical protection to the core of a cable bifurcated; when being subjected to external force, isolated wire harness does the time spent; core of a cable can be subjected to the protection of heat-shrink tube cushion effect, plays the effect that reduces the suffered pulling force of core of a cable.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field; under the prerequisite that does not break away from the utility model design; can also make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that the utility model is determined by claims of being submitted to.
Claims (4)
1. a heat-shrink tube that coats the bifurcated wire harness comprises the main pipe who is made by material contracting with heat, it is characterized in that:
Be responsible for body wall and be provided with looped pipeline body that at least one is made by material contracting with heat, described looped pipeline body and main pipe are forked and are connected and inside communicates.
2. according to the heat-shrink tube of the described coating bifurcated of claim 1 wire harness, it is characterized in that:
The inner wall surface of described main pipe, looped pipeline body is provided with sealant layer.
3. according to the heat-shrink tube of claim 1 or 2 described coating bifurcated wire harness, it is characterized in that:
The sealant layer of described main pipe, looped pipeline body inner wall surface is a hot melt adhesive layer.
4. according to the heat-shrink tube of the described coating bifurcated of claim 3 wire harness, it is characterized in that:
The material contracting with heat of described making main pipe and looped pipeline body comprises polyurethanes thermoplastic elastomer (TPE), polyolefins thermoplastic elastomer, styrene analog thermoplastic elastomer and ethylene-octene copolymerization thermoplastic elastomer (TPE).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520121338 CN2914439Y (en) | 2005-12-26 | 2005-12-26 | Heat-shrinkable pipe covering bifurcated line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520121338 CN2914439Y (en) | 2005-12-26 | 2005-12-26 | Heat-shrinkable pipe covering bifurcated line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2914439Y true CN2914439Y (en) | 2007-06-20 |
Family
ID=38169036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520121338 Expired - Lifetime CN2914439Y (en) | 2005-12-26 | 2005-12-26 | Heat-shrinkable pipe covering bifurcated line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2914439Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101685948B (en) * | 2008-08-18 | 2012-08-22 | 本田技研工业株式会社 | Method and member for retaining cable harness shape |
| CN102717006A (en) * | 2012-07-16 | 2012-10-10 | 浙江博美特能源设备有限公司 | High-pressure vacuum thermal shrinkage furnace for corrugated stainless steel hose cladding and corrugated stainless steel hose cladding method |
-
2005
- 2005-12-26 CN CN 200520121338 patent/CN2914439Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101685948B (en) * | 2008-08-18 | 2012-08-22 | 本田技研工业株式会社 | Method and member for retaining cable harness shape |
| CN102717006A (en) * | 2012-07-16 | 2012-10-10 | 浙江博美特能源设备有限公司 | High-pressure vacuum thermal shrinkage furnace for corrugated stainless steel hose cladding and corrugated stainless steel hose cladding method |
| CN102717006B (en) * | 2012-07-16 | 2014-11-05 | 浙江博美特能源设备有限公司 | High-pressure vacuum thermal shrinkage furnace for corrugated stainless steel hose cladding and corrugated stainless steel hose cladding method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070620 |
|
| EXPY | Termination of patent right or utility model |