CN100585948C - Pyrocondensation insulation sealed end cap - Google Patents

Pyrocondensation insulation sealed end cap Download PDF

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Publication number
CN100585948C
CN100585948C CN200810068054A CN200810068054A CN100585948C CN 100585948 C CN100585948 C CN 100585948C CN 200810068054 A CN200810068054 A CN 200810068054A CN 200810068054 A CN200810068054 A CN 200810068054A CN 100585948 C CN100585948 C CN 100585948C
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China
Prior art keywords
flat part
end cap
line
shrink wrap
wrap layer
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Active
Application number
CN200810068054A
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Chinese (zh)
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CN101299490A (en
Inventor
赵成刚
文磊
鲁尔兵
李可涛
王进
邱云峰
刘军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changyuan electronic (Group) Co., Ltd.
Changyuan Electronics (Dongguan) Co., Ltd.
CYG Electronics Shanghai Co Ltd
Tianjin Changyuan Electronic Material Co Ltd
Original Assignee
SHENZHEN CHANGYUAN NEW MATERIAL CO Ltd
Shenzhen Changyuan Electronic Material Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by SHENZHEN CHANGYUAN NEW MATERIAL CO Ltd, Shenzhen Changyuan Electronic Material Co Ltd filed Critical SHENZHEN CHANGYUAN NEW MATERIAL CO Ltd
Priority to CN200810068054A priority Critical patent/CN100585948C/en
Publication of CN101299490A publication Critical patent/CN101299490A/en
Application granted granted Critical
Publication of CN100585948C publication Critical patent/CN100585948C/en
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Abstract

A thermal shrinkage insulation sealing end cap is provided, one end of which is the round tube part in the round tube shape, and the other end is the flat part with the flat shape after the thermal treatment, wherein the outer layer of the round tube part and the flat part is a thermal shrinkage layer, and the inner layer is a thermosol layer. The inner of the thermosol layer of the round tube part is arranged with a holding space. The thermosol layer of the flat part is bonded together, wherein the thermosol layer is filled with the inner space of the thermal shrinkage of the flat part to make the inner with no gap. The thermal shrinkage insulation sealing end cap has high manufacturing efficiency, low cost, which can be made in large scale to convenient for the wire or the wiring harness terminal positioning and is arranged at the terminal of the wire to the wiring harness, and has reliable insulation sealing after the thermal shrinkage.

Description

A kind of pyrocondensation insulated enclosure end cap
Technical field
The present invention relates to the insulated enclosure protection field of electronic apparatus, communication automobile, instrument and meter isoelectric line or wiring harness terminal.
Background technology
The manufacturing of known pyrocondensation insulated enclosure end cap need be finished by 4 basic working procedure.At first make the end cap semi-finished product by injection or mold pressing, through RADIATION PROCESSING, it is crosslinked that the end cap semi-finished product are taken place, and produces memory effect, through expansion, makes it have the pyrocondensation performance again, is the inboard gluing of end cap at last, gives its sealing property.This pyrocondensation insulated enclosure end cap manufacture process is very complicated, the product cost height, and rate of finished products is low, and the manufacturing cycle is long, and production efficiency is low, is unfavorable for large-scale production.For small dimension pyrocondensation insulated enclosure end cap, injection or mold pressing, expansion and gluing are all very difficult especially, are difficult to technically realize that production efficiency is extremely low.
Summary of the invention
The technical problem to be solved in the present invention is: overcome existing pyrocondensation insulated enclosure end cap complicate fabrication process, cost height, rate of finished products low, be unfavorable for problems such as large-scale production, a kind of pyrocondensation insulated enclosure end cap is provided, it makes the efficient height, with low cost, can large-scale production, be convenient to electric wire or wiring harness terminal location, be installed in electric wire or wiring harness terminal, after the heat shrink, insulated enclosure is reliable.
In order to solve the problems of the technologies described above, the present invention proposes following technical scheme: a kind of pyrocondensation insulated enclosure end cap, the one end is the pipe part of a round tube shape, the other end is the flat part that presents a flat pattern through heat treated later on, the skin of this pipe part and flat part is a shrink wrap layer, its internal layer is a thermosol glue-line, there is a spatial accommodation inside of the thermosol glue-line of this pipe part, the thermosol glue-line of this flat part bonds together, the inner space that this thermosol glue-line is full of the shrink wrap layer of flat part makes its inside very close to each other, this flat part be take place after being heated diametric(al) shrink and flatten after obtain or flatten again earlier and obtain after the heating, the inner space that the thermosol glue-line of this flat part is full of the shrink wrap layer of flat part makes its inside very close to each other.
Further improvement in the technical proposal is: this shrink wrap layer is made by the crosslinking with radiation macromolecular material.
Further improvement in the technical proposal is: fusing and iron and steel after this thermosol glue-line is heated, copper, aluminium, PE, PVC, EVA adhesive property are good.
Further improvement in the technical proposal is: the thickness of the shrink wrap layer of this flat part is thicker than the thickness of the shrink wrap layer of pipe part.
The invention has the beneficial effects as follows: this pyrocondensation insulated enclosure end cap is made the efficient height, with low cost, can large-scale production, be convenient to electric wire or wiring harness terminal location, be installed in electric wire or wiring harness terminal, after the heat shrink, do not have an end of pyrocondensation, because shrink wrap layer is thinner, at first shrink, be an end of flat pattern because shrink wrap layer is thicker relatively, when reverting to circle, because inner confined space increases gradually, form vacuum state, pulling at first shrinks the thermosol of part to flowing here, fills up its inner space, prevent moisture, moisture, oils and solvent etc. enter electric wire or wiring harness terminal, and insulated enclosure is reliable.
Description of drawings
Fig. 1 is the cutaway view of pyrocondensation insulated enclosure end cap of the present invention.
Fig. 2 is another angle cutaway view of pyrocondensation insulated enclosure end cap of the present invention.
Fig. 3 is the end view of pyrocondensation insulated enclosure end cap of the present invention.
Fig. 4 is a pyrocondensation insulated enclosure end cap of the present invention cutaway view when using.
Embodiment
See also Fig. 1 to Fig. 2, a kind of pyrocondensation insulated enclosure end cap, one end are the pipe parts 1 of a round tube shape, and the other end is the flat part 2 that presents a flat pattern through heat treated later on, the skin of this pipe part 1 and flat part 2 is shrink wrap layer 3, and its internal layer is a thermosol glue-line 4.There is a spatial accommodation 5 inside of the thermosol glue-line 4 of this pipe part 1, the space that the thermosol glue-line 4 of this flat part 2 is filled between the shrink wrap layer 3 that has expired this flat part 2.
See also Fig. 1 to Fig. 3, this pipe part 1 is not passed through pyrocondensation.The shrink wrap layer 3 of this pipe part 1 is made by the crosslinking with radiation macromolecular material, after being heated, shrinks along diametric(al), and diameter diminishes, and shrinking multiplying power is 2: 1-6: 1.Fusing was good with adhesive properties such as iron and steel, copper, aluminium, PE, PVC, EVA after the thermosol glue-line 4 of this pipe part 1 was heated.
The diametric(al) contraction takes place after this flat part 2 is heated and flatten to obtain later, the thermosol glue-line 4 of this flat part 2 bonds together.This flat part 2 is before heating and do not have an end shape of pyrocondensation identical, be round tube shape, after heating, the shrink wrap layer 3 in the outside shrinks, diameter diminishes, fusing after inboard thermosol glue-line 4 is heated, after flattening under external force, it is thick a lot of that the wall thickness of the shrink wrap layer 3 of its wall ratio pipe part 1 is wanted, the thermosol glue-line 4 of the shrink wrap layer 3 in the outside by the inboard bonds together and is flat pattern, this thermosol glue-line 4 is full of the inner space of the shrink wrap layer 3 of flat part 2, and the inside of shrink wrap layer 3 is very close to each other.
See also Fig. 4, one metal cords 6 and outside electric wire foreskin 7 are inserted in this pyrocondensation insulated enclosure end cap together, diametric contraction after being heated, this shrink wrap layer 3 takes place, after being heated, thermosol glue-line 4 melts, thermosol glue-line 4 is under the effect of shrink wrap layer 3 convergent forces, closely be wrapped in the outside of metal cords 6, wire outer skin 7, the institute of filling up between metal cords 6, wire outer skin 7 and the shrink wrap layer 3 is gapped.After the heat shrink, pipe part 1 is because shrink wrap layer is thinner, at first shrink, flat part 2 is because shrink wrap layer is thicker relatively, when reverting to circle, because inner confined space increases gradually, form vacuum state, pulling at first shrinks the thermosol of part to flowing here, fills up its inner space, prevent that moisture, moisture, oils and solvent etc. from entering metal cords 6, insulated enclosure is reliable.

Claims (4)

1, a kind of pyrocondensation insulated enclosure end cap, it is characterized in that: the one end is the pipe part of a round tube shape, the other end is the flat part that presents a flat pattern through heat treated later on, the skin of this pipe part and flat part is a shrink wrap layer, its internal layer is a thermosol glue-line, there is a spatial accommodation inside of the thermosol glue-line of this pipe part, the inner space that this thermosol glue-line is full of the shrink wrap layer of flat part makes its inside very close to each other, this flat part be take place after being heated diametric(al) shrink and flatten after obtain or flatten again earlier and obtain after the heating, the thermosol glue-line of this flat part bonds together, and the inner space that the thermosol glue-line of this flat part is full of the shrink wrap layer of flat part makes its inside very close to each other.
2, pyrocondensation insulated enclosure end cap according to claim 1, it is characterized in that: this shrink wrap layer is made by the crosslinking with radiation macromolecular material.
3, pyrocondensation insulated enclosure end cap according to claim 1 is characterized in that: fusing and iron and steel after this thermosol glue-line is heated, copper, aluminium, PE, PVC, EVA adhesive property are good.
4, pyrocondensation insulated enclosure end cap according to claim 1 is characterized in that: the thickness of the shrink wrap layer of this flat part is thicker than the thickness of the shrink wrap layer of pipe part.
CN200810068054A 2008-06-27 2008-06-27 Pyrocondensation insulation sealed end cap Active CN100585948C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200810068054A CN100585948C (en) 2008-06-27 2008-06-27 Pyrocondensation insulation sealed end cap

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200810068054A CN100585948C (en) 2008-06-27 2008-06-27 Pyrocondensation insulation sealed end cap

Publications (2)

Publication Number Publication Date
CN101299490A CN101299490A (en) 2008-11-05
CN100585948C true CN100585948C (en) 2010-01-27

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Application Number Title Priority Date Filing Date
CN200810068054A Active CN100585948C (en) 2008-06-27 2008-06-27 Pyrocondensation insulation sealed end cap

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CN (1) CN100585948C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103682931A (en) * 2012-09-04 2014-03-26 尼得科电机（青岛）有限公司 Wire joint protection method
CN104466498B (en) * 2014-12-23 2017-06-20 合肥华凌股份有限公司 Wire harness safeguard structure and wire harness
CN104877619B (en) * 2015-05-29 2018-05-04 深圳市智豪特材科技有限公司 The mini sealing cap of thermal shrinkage type automotive wire bundle and its manufacture method
US10103458B2 (en) * 2017-02-07 2018-10-16 Te Connectivity Corporation System and method for sealing electrical terminals
CN108790205B (en) * 2018-06-06 2020-05-26 上海长园电子材料有限公司 Inner flanging and shaping method of heat-shrinkable tube

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Owner name: CHANGYUAN ELECTRONIC (GROUP) LTD.

Free format text: FORMER NAME: SHENZHEN CHANGYUAN ELECTRONIC MATERIAL CO., LTD.

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Address after: 518000 workshop No. 4, east of Nanshan District science and Technology Industrial Park, Shenzhen, Guangdong

Patentee after: Changyuan electronic (Group) Co., Ltd.

Patentee after: Shenzhen Changyuan New Material Co., Ltd.

Address before: Nanshan District science and Technology Park Keyuan Road Changyuan new material in Shenzhen city in Guangdong province 518057 port A 6 storey building

Patentee before: Shenzhen Changyuan Electronic Material Co., Ltd.

Patentee before: Shenzhen Changyuan New Material Co., Ltd.

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Address after: 523770 Guangdong province Dongguan city Dalang town Fumin Industrial Park Po Po Industrial Zone two

Patentee after: Changyuan Electronics (Dongguan) Co., Ltd.

Patentee after: Changyuan electronic (Group) Co., Ltd.

Patentee after: Shanghai Changyuan Electronic Material Co., Ltd.

Patentee after: Tianjin Changyuan Electronic Material Co., Ltd.

Patentee after: ChangYuan Group Ltd.

Address before: 518000 workshop No. 4, east of Nanshan District science and Technology Industrial Park, Shenzhen, Guangdong

Patentee before: Changyuan electronic (Group) Co., Ltd.

Patentee before: Shenzhen Changyuan New Material Co., Ltd.

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Address after: 523770 Guangdong province Dongguan city Dalang town Fumin Industrial Park Po Po Industrial Zone two

Co-patentee after: Changyuan electronic (Group) Co., Ltd.

Patentee after: Changyuan Electronics (Dongguan) Co., Ltd.

Co-patentee after: Shanghai Changyuan Electronic Material Co., Ltd.

Co-patentee after: Tianjin Changyuan Electronic Material Co., Ltd.

Address before: 523770 Guangdong province Dongguan city Dalang town Fumin Industrial Park Po Po Industrial Zone two

Co-patentee before: Changyuan electronic (Group) Co., Ltd.

Patentee before: Changyuan Electronics (Dongguan) Co., Ltd.

Co-patentee before: Shanghai Changyuan Electronic Material Co., Ltd.

Co-patentee before: Tianjin Changyuan Electronic Material Co., Ltd.

Co-patentee before: ChangYuan Group Ltd.

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