CN204270697U - Water-proof wire bundle on automobile or cable - Google Patents
Water-proof wire bundle on automobile or cable Download PDFInfo
- Publication number
- CN204270697U CN204270697U CN201420740604.5U CN201420740604U CN204270697U CN 204270697 U CN204270697 U CN 204270697U CN 201420740604 U CN201420740604 U CN 201420740604U CN 204270697 U CN204270697 U CN 204270697U
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- cable
- wire harness
- water
- wire
- automobile
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Abstract
A kind of water-proof wire bundle on automobile or cable, comprise the first wire harness or cable and the second wire harness or cable that engage each other, be provided with at the junction surface of described first wire harness or cable and described second wire harness or cable the coating layer for waterproof formed by the mode of low-pressure injection molding.Therefore, the utility model have waterproof effect better, the advantage of longer service life.
Description
Technical field
The utility model relates to a kind of wire harness on automobile or cable, especially relates to a kind of wire harness or cable of the waterproof on automobile.
Background technology
Wire harness or cable are mainly used in controlling installation, connection device, transmitting electric power and signal etc., and having multiple action, is common and indispensable a kind of thing in daily life.Wire harness or cable mainly comprise arrange from inside to outside core, around the metal screen layer outside described core and around the insulating outer layer outside metal screen layer; core is used for transferring electric power or conveying signal; the electromagnetic field that other elements in the interference of electromagnetic field circuit that the electric current that metal screen layer is mainly used in preventing core from transmitting produces or other elements in the shielding external world produce is on the impact of the electric current that core transmits; and the Main Function of insulating outer layer makes wire harness or cable live part with external environment insulation, also protect wire harness or cable does not damage by extraneous simultaneously.And along with electric equipment products fast development, people get more and more to the use of electricity, and re-use after in life often needing two wire harness or cable to connect, power equipment on such as automobile, in prior art, the connection of two wire harness or cable generally uses heat-shrinkable T bush, heat-shrinkable T bush is enclosed within the connecting portion of wire harness or cable, with heat gun or thermal contraction machine etc., heat-shrinkable T bush is heated, heat-shrinkable T bush shrinks, just connecting portion has been entangled firm, heat-shrinkable T bush has the advantage such as low-temperature shrink, soft fire-retardant, insulation corrosion protection.
But, due to heat-shrinkable T bush material generally adopt polyvinyl chloride (PVC), polyvinyl chloride (PVC) matter is crisp, heat-shrinkable T bush is easily made to produce slight crack, when being in wet environment, water is easily made to be infiltrated, and the sealing of heat-shrinkable T bush own is not so good, therefore waterproof effect is poor, and wire harness or cable are transferring electric power or other signals, it is the infiltration abstaining from very much to have water, once touch water, light then cause the work of some circuit components of Effect of Short Circuit, heavy then cause electric shock accidents, the particularly wire harness of automobile or cable, once short circuit, the whole drive system of automobile may be affected, even cause major traffic accidents, the seriousness of the state of affairs is that people cannot estimate, in addition, the heat-shrinkable T bush easily producing slight crack needs often to change, and therefore useful life is short, and use cost is just high.
Utility model content
The purpose of this utility model is for the problems referred to above, to society provide a kind of waterproof effect better, the water-proof wire bundle on automobile of longer service life or cable.
The technical solution of the utility model is: design a kind of water-proof wire bundle on automobile or cable, comprise the first wire harness or cable and the second wire harness or cable that engage each other, be provided with at the junction surface of described first wire harness or cable and described second wire harness or cable the coating layer for waterproof formed by the mode of low-pressure injection molding.
As the further improvement for technique scheme, the material of described low-pressure injection molding is polyamide hot, polyurethane hot-melt object or polyolefin hot-melt object.
As the further improvement for technique scheme, the junction surface riveted joint of described first wire harness or cable and described second wire harness or cable forms.
As the further improvement for technique scheme, the core of described first wire harness or cable and described second wire harness or cable is copper cash, aluminum steel, copper covered steel wire or copper-clad aluminum conductor.
As the further improvement for technique scheme, the material of the insulating barrier of described first wire harness or cable and described second wire harness or cable is plastics or rubber.
The utility model is provided with the structure of the coating layer for waterproof formed by the mode of low-pressure injection molding at the junction surface of described first wire harness or cable and described second wire harness or cable owing to have employed, low pressure injection formaing technique a kind ofly with very low injection pressure (1.5 ~ 40bar), encapsulating material is injected mould and the packaging process of fast curing-formed (5 ~ 50 seconds), the coating layer adopting injection molding process to be formed not only has good sealing, and be not easy to produce slight crack, longer service life; Therefore, the utility model have waterproof effect better, the advantage of longer service life.
Accompanying drawing explanation
Fig. 1 is the perspective view of a kind of execution mode of the present utility model.
Embodiment
In description of the present utility model, it will be appreciated that, orientation or the position relationship of the instruction such as " " center ", " on ", D score, "front", "rear", "left", "right" in term be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " connection ", " being connected " should be interpreted broadly, and such as, can be fixedly connected with, and also can be that dismounting connects, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also can be indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term can be understood at concrete meaning of the present utility model.In addition, in description of the present utility model, except as otherwise noted, the implication of " multiple ", " some " is two or more.
Please first see Fig. 1, a kind of execution mode for water-proof wire bundle on automobile or cable that Fig. 1 discloses, a kind of water-proof wire bundle on automobile or cable, comprise the first wire harness or cable 1 and the second wire harness or cable 2 that engage each other, be provided with at the junction surface 3 of described first wire harness or cable 1 and described second wire harness or cable 2 coating layer 4 for waterproof formed by the mode of low-pressure injection molding, after the core of the first wire harness or cable 1 and the second wire harness or cable 2 is bonded with each other, the described coating layer 4 of waterproof is set at described junction surface 3 again, low pressure injection formaing technique a kind ofly with very low injection pressure (1.5 ~ 40bar), encapsulating material is injected mould and the packaging process of fast curing-formed (5 ~ 50 seconds), encapsulation good leak tightness, the coating layer 4 adopting injection molding process to be formed has good sealing, not only can by closelyr coated for junction surface 3, waterproof effect is better, and be not easy to produce slight crack, make the longer service life of wire harness or cable.
In the utility model, in order to make the sealing property of described coating layer 4 better, the material of described low-pressure injection molding is polyamide hot, polyurethane hot-melt object or polyolefin hot-melt object.
Described polyamide hot, also known as dimer acid polyamide PUR, directly carries out co-polymeric with diamine by binary acid, then through modification, pulverize and obtain.Not by operations such as nitrilation, hydrogenation, neutralizations, simplify the production technology of polyamide hot, equipment requirement is low, and raw material is easy to get, and therefore comparison is easy; The aspect of performance of polyamide hot own has again that viscosity is low, the advantage of good flowing properties, is easy to carry out low-pressure injection molding technology; Toughness is good, and the described coating layer 4 of formation is not easy to produce slight crack; Adhesive strength is high, and described coating layer 4 sealing property of formation is also better.In addition, the cost of described polyamide hot is lower, convenient operation and control, accurately, in turn ensure that stable product quality, both can be mass-produced, also can small lot batch manufacture, is very beneficial for applying.
Described polyurethane hot-melt object is a kind of material by ethane organo units chain polymerization, is a kind of emerging high-molecular organic material, be described as " the fifth-largest plastics, its adhesive property is good, is easy to carry out low-pressure injection molding, coating layer 4 good seal performance of formation; Secondly, its anti-wear performance is good, resistance to biological aging, good weatherability, therefore long service life; In addition, the moderate cost of described polyurethane hot-melt object, relative to described polyamide hot, cost is higher.
Described polyolefin hot-melt object is often referred to the hot-melt object of the polymer of ethene, propylene or higher alkene.English abbreviation is PO.Wherein comparatively conventional with polyethylene hot-melt object, its adhesive property is better, and chemical stability is better, and the most soda acid of ability corrodes; Resistance to ag(e)ing is poor, but can improve its performance by adding corresponding auxiliary agent.
In the utility model, in order to the core at the junction surface 3 making described first wire harness or cable 1 and described second wire harness or cable 2 is connected tightr, the junction surface 3 of described first wire harness or cable 1 and described second wire harness or cable 2 is riveted or is welded, such as, ultrasonic wave riveting technology is adopted.
In the utility model, the core of described first wire harness or cable 1 and described second wire harness or cable 2 is copper cash, aluminum steel, copper covered steel wire or copper-clad aluminum conductor.
In the utility model; in order to make described first wire harness or cable 1 and described second wire harness or cable 2 live part with external environment insulation; also protect described first wire harness or cable 1 and described second wire harness or cable 2 not damage by extraneous, the material of the insulating barrier of described first wire harness or cable 1 and described second wire harness or cable 2 is plastics or rubber simultaneously.
Claims (5)
1. a water-proof wire bundle on automobile or cable, it is characterized in that, comprise the first wire harness or cable (1) and the second wire harness or cable (2) that engage each other, be provided with at the junction surface (3) of described first wire harness or cable (1) and described second wire harness or cable (2) coating layer for waterproof (4) formed by the mode of low-pressure injection molding.
2. water-proof wire bundle on automobile according to claim 1 or cable, it is characterized in that, the material of described low-pressure injection molding is polyamide hot, polyurethane hot-melt object or polyolefin hot-melt object.
3. water-proof wire bundle on automobile according to claim 1 and 2 or cable, is characterized in that, junction surface (3) riveted joint of described first wire harness or cable (1) and described second wire harness or cable (2) forms.
4. water-proof wire bundle on automobile according to claim 1 and 2 or cable, it is characterized in that, the core of described first wire harness or cable (1) and described second wire harness or cable (2) is copper cash, aluminum steel, copper covered steel wire or copper-clad aluminum conductor.
5. water-proof wire bundle on automobile according to claim 1 and 2 or cable, it is characterized in that, the material of the insulating barrier of described first wire harness or cable (1) and described second wire harness or cable (2) is plastics or rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420740604.5U CN204270697U (en) | 2014-12-02 | 2014-12-02 | Water-proof wire bundle on automobile or cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420740604.5U CN204270697U (en) | 2014-12-02 | 2014-12-02 | Water-proof wire bundle on automobile or cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204270697U true CN204270697U (en) | 2015-04-15 |
Family
ID=52805551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420740604.5U Expired - Fee Related CN204270697U (en) | 2014-12-02 | 2014-12-02 | Water-proof wire bundle on automobile or cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204270697U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833686A (en) * | 2016-09-16 | 2018-03-23 | 株式会社电装 | Cable, using cable electric power-assisted steering apparatus and manufacture cable method |
-
2014
- 2014-12-02 CN CN201420740604.5U patent/CN204270697U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833686A (en) * | 2016-09-16 | 2018-03-23 | 株式会社电装 | Cable, using cable electric power-assisted steering apparatus and manufacture cable method |
| CN107833686B (en) * | 2016-09-16 | 2020-04-17 | 株式会社电装 | Cable, electric power steering apparatus using the same, and method of manufacturing the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20211202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |