CN1747076B - Flat cable - Google Patents
Flat cable Download PDFInfo
- Publication number
- CN1747076B CN1747076B CN 200510099562 CN200510099562A CN1747076B CN 1747076 B CN1747076 B CN 1747076B CN 200510099562 CN200510099562 CN 200510099562 CN 200510099562 A CN200510099562 A CN 200510099562A CN 1747076 B CN1747076 B CN 1747076B
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- insulation
- coated layer
- outer circumferential
- circumferential side
- flat cable
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- Insulated Conductors (AREA)
- Communication Cables (AREA)
- Removal Of Insulation Or Armoring From Wires Or Cables (AREA)
- Processing Of Terminals (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Multi-Conductor Connections (AREA)
Abstract
A flat cable is formed by arraying a plurality of coaxial cables 20 composed of core wires 21, an inner peripheral side insulation cover 22, the shield layer 23, and an outer peripheral side insulation cover 24 in parallel with each other on a flat plane, and holding them by a holding tape 27. On the flat cable, pressure connection parts 22a are formed by peeling off the outer peripheral side insulation cover 24 and the shield layer 23 at the end part of the coaxial cable 20 extending outward from the end part of the holding tape 27 in a range of a prescribed length ''a'' from a tip end part, and grounding connection parts 23a are formed by peeling off the outer peripheral side insulation cover 24 while making the outer peripheral side insulation cover 24a and the outer peripheral side insulation cover at side part 24b with a prescribed width ''c'' left in a range of a prescribed length ''b'' from an inside end part of the pressure contact part 22a.
Description
Technical field
The present invention relates to many coaxial cables are kept the flat cable form with same plane being arranged in parallel.
Background technology
In the past, general known a kind of like this coaxial cable that has: in promptly utilizing the insulation-coated layer of all sides coating heart yearn that linearity extends, utilize screen coating should in the periphery, the coaxial cable that the periphery of utilizing insulation-coated layer of outer circumferential side coating this screen forms of the insulation-coated layer of all sides.In recent years, tend to especially, for example, used core line diameter to be about the superfine coaxial cable that 0.1mm, integral diameter (diameter that outer circumferential side is insulation-coated layer) are about 0.35mm the thin footpathization of coaxial cable.Also known have many this coaxial cables are arranged in parallel keep the flat cable (for example, with reference to Japanese patent laid-open 10-144145 communique) that constitutes at grade.
Such flat cable, use at its end mounted connector, and when connector is installed, in the flat cable end, the heart yearn soldering of the periphery of coaxial cable and the insulation-coated layer of interior all sides and screen being peelled off and exposing is on each contact of connector, or only peel off, make the insulation-coated layer of the interior all sides that are coated with the heart yearn state to expose on insulation-coated layer of outer circumferential side and screen, this part is connected with the pressure contact portion crimping of contact.
But, state in the use in such flat cable that superfine coaxial cable constituted, when in order to carry out soldering heart yearn being exposed or the insulation-coated layer of interior all sides being exposed in order to carry out with contact that crimping is connected with contact, because coaxial cable self is very thin and can not utilize retainer belt etc. that each coaxial cable is kept, make the very problem of difficulty of processing that heart yearn, the insulation-coated layer of interior all sides etc. expose so exist its leading section easy deformation on the coaxial cable leading section that heart yearn, the insulation-coated layer of interior all sides etc. are exposed.
In addition, in above-mentioned patent documentation 1, disclosed following a kind of method: with outer circumferential side insulation-coated layer peel off on the screen that exposes 2 groups of earth braces of soldering (metal forming), with this 2 winding ground rod bending and betwixt with the screen cut-out, screen is removed with the earth brace of front end.But the problem that this method exists the brazing operation that need carry out earth brace etc., need many manufacturing procedures and processing operation cost time.
Summary of the invention
The present invention makes in view of the above problems, its purpose is, provides with the insulation-coated layer of simple operation all sides in the leading section of flat cable can make to expose to be connected with the crimping of contact and to make screen expose, constitute simultaneously the flat cable that the electric wire of this screen can be not loose in its root side.
In order to reach such purpose, flat cable of the present invention is many coaxial cables to be arranged in parallel be held in the flat cable that same plane forms, and described coaxial cable has: the heart yearn that linearity extends; With the insulation-coated layer of interior all sides of core cladding setting; The set screen of all sides insulation-coated layer periphery in coating; And the set insulation-coated layer of outer circumferential side of coating screen periphery.And, end at the coaxial cable of this flat cable, in the scope of the 1st specific length of front end, insulation-coated layer of outer circumferential side and screen are peelled off and are made the insulation-coated layer of interior all sides to expose and be formed with pressure contact portion, in the scope of the 2nd inner specific length of pressure contact portion, under the insulation-coated layer of the circular outer periphery side of the Rack that leaves outer circumferential side side insulation coating and front situation, partly peel off the insulation-coated layer of outer circumferential side and be formed with the ground connection connecting portion with the form that screen exposes, the described outer circumferential side side insulation coating that leaves is with insulation-coated layer of the described circular outer periphery side that leaves and whole connection of the insulation-coated layer of described outer circumferential side.
In addition, can make following structure: many coaxial cables are utilized retainer belt and be arranged in parallel to be held in same plane and to form flat cable, the end of coaxial cable is outstanding to foreign side from the end of retainer belt, is formed with pressure contact portion and ground connection connecting portion in the end of outstanding like this coaxial cable.
In this flat cable, preferably, it from the coaxial cable front end position of described the 1st specific length, utilize YAG laser that insulation-coated layer of outer circumferential side and screen are cut off, pull out insulation-coated layer of the outer circumferential side that is positioned at the 1st specific length scope and screen, and the insulation-coated layer of all sides exposes in making, form pressure contact portion, in scope from the 2nd inner specific length of this pressure contact portion, the area illumination CO a part of scope of the side in the scope of the Rack of front and the 2nd specific length
2Laser is removed a part of fusion of the insulation-coated layer of outer circumferential side, forms the ground connection connecting portion.
In the flat cable of above structure, in scope from the 2nd inner specific length of pressure contact portion, part in front and side leaves the insulation-coated layer of outer circumferential side of Rack and peels off the insulation-coated layer of outer circumferential side, be formed with the ground connection connecting portion, the screen that on the ground connection connecting portion, exposes, owing to kept by the outer circumferential side side insulation coating that remains the insulation-coated layer of the outer circumferential side that Rack is arranged in front and leave on the side part that it is being supported, so form screen many horizontal around fine wire can be irregularly not loose, when being connected the connector crimping on the flat cable front end, can improving screen is carried out the connection reliability of ground connection when connecting.In addition, owing to utilize YAG laser that insulation-coated layer of outer circumferential side and screen are cut off, shine CO
2Laser is also removed the fusion of the insulation-coated layer of outer circumferential side and is formed the ground connection connecting portion, so can not make it crooked or be out of shape such external force to each the coaxial cable effect at the flat cable leading section, their are out of shape and can keep correct spacing with original state.Therefore, can carry out accurately the connector crimping is connected operation on the flat cable front end.
Adopt the flat cable of the present invention of said structure, in scope from the 2nd specific length of pressure contact portion the inner, peel off the insulation-coated layer of outer circumferential side at the Rack of front and the insulation-coated layer of the side left outer circumferential side of a part, be formed with the ground connection connecting portion, the screen that on the ground connection connecting portion, exposes, owing to kept by remain the insulation-coated layer of the outer circumferential side that Rack is arranged in front, so form screen many horizontal around fine wire can be irregularly not loose, when being connected the connector crimping on the flat cable front end, can improving screen is carried out the connection reliability of ground connection when connecting.In addition, because except the insulation-coated layer of the outer circumferential side of the Rack of this front, in the left side of the scope of the 2nd a specific length part, so can make the insulation-coated layer of the outer circumferential side of front stable, and can prevent to form screen effectively many horizontal around fine wire random loose.In addition, owing to utilize YAG laser that insulation-coated layer of outer circumferential side and screen are cut off, shine CO
2Laser is also removed the fusion of the insulation-coated layer of outer circumferential side and is formed with the ground connection connecting portion, so can not make it crooked or be out of shape such external force to the coaxial cable effect of flat cable leading section, their are out of shape and can keep correct class interval with original state.Therefore, can carry out accurately the connector crimping is connected operation on the flat cable front end.
Method in the manufacture method of flat cable of the present invention and the above-mentioned patent documentation 1 is compared as can be known, in the present invention, can utilize the few especially simple manufacturing method of machining period to make flat cable.In addition, owing to do not need the such soldering that utilizes of patent documentation 1 that earth brace is fixed on operation on the screen, and do not use scolding tin, so can carry out the manufacturing useful to environment.
Description of drawings
Fig. 1 is the stereogram (B) of the structure of the expression coaxial cable that is processed to form the vertical view (A) of the flat cable of state before the flat cable of the present invention and this flat cable of formation.
Fig. 2 is the vertical view that is illustrated in the end construction in the stage midway that is processed to form flat cable of the present invention.
Fig. 3 is the vertical view (A) and the stereogram (B) of the end construction of expression flat cable of the present invention.
Fig. 4 will connect the stereogram of the connector exploded representation of flat cable of the present invention.
The manufacturing of Fig. 5 Belt connector cable that to be expression connect and compose the end of connector and flat cable of the present invention is the cutaway view of stage condition midway.
The cutaway view of Fig. 6 Belt connector cable that to be expression connect and compose the end of connector and flat cable of the present invention.
Fig. 7 is the stereogram that the expression structure is different from the flat cable end construction of above-mentioned flat cable.
The cutaway view of Fig. 8 Belt connector cable that to be expression connect and compose the end of connector and above-mentioned flat cable.
Embodiment
Below, with reference to accompanying drawing best example of the present invention is described.
[embodiment 1]
At first, with reference to Fig. 1～Fig. 3 the structure of using flat cable of the present invention is described.Flat cable FC constitutes shown in Fig. 1 (A): utilize retainer belt 27 that many superfine coaxial cables 20 are parallel and equally spaced arrange, connect and be held in same plane.In addition, retainer belt 27 both can also can only be arranged on it one-sided from both sides with 20 clampings of many coaxial cables.
Fig. 1 (B) represents the structure of each coaxial cable 20, the insulation-coated layer 22 of the interior all sides that are made of insulating material is set around the stranded heart yearn that forms 21 with the fine wire of many (being 7 here), with many fine wires horizontal in ground is arranged on this periphery of the insulation-coated layer 22 of all sides, form screen 23, by the insulation-coated layer 24 of outer circumferential side that insulating material constitutes, constitute coaxial cable 20 in the periphery setting of this screen 23.This coaxial cable 20 makes very thin diameter, for example, the external diameter of heart yearn 21 is done into about 0.1mm, and whole external diameter (external diameter of the insulation-coated layer 24 of outer circumferential side) is done into about 0.35mm.
Flat cable of the present invention is processed to the end of the flat cable FC of this structure can the original state crimping be connected shape on the connector, below this is shaped operation describes.At first, shown in Fig. 1 (A),, retainer belt 27 peelled off and state ground that the end keeping parallelism of coaxial cable 20 is arranged exposes in the end of flat cable FC.And,, only carry out the processing that the insulation-coated layer 24 of outer circumferential side and screen 23 are cut off at position (position of representing with X-X Fig. 1 (A)) irradiation YAG laser from the 1st predetermined distance a of the end face of these coaxial cables 20.
And, (position of representing with X-X) is to outer distolateral part attaching retainer belt etc. from the position of such cut-out, and will be outer from the off-position of coaxial cable 20 distolateral together when foreign side pulls out, can only insulation-coated layer 24 of outer circumferential side and screen 23 be peeled off and remove from off-position.Like this, Fig. 2 represents the state after will the be outer distolateral insulation-coated layer 24 of outer circumferential side of off-position and screen 23 are removed, and from this figure as can be known, is exposing for insulation-coated layer 22 from front end all sides in make between the off-position.In addition, the insulation-coated layer of interior all sides 22 part of exposing like this are called pressure contact portion 22a.
Then, in scope, the part except the scope of Rack c is shone CO from above-mentioned off-position from above-mentioned off-position (being the inner end positions of pressure contact portion) to the 2nd predetermined distance b
2Laser is removed the insulation-coated layer of outer circumferential side 24 partial melting.Its result, shown in Fig. 3 (A), (B), expose at the insulation-coated layer 22 of the interior all sides that from front are the 1st predetermined distance a, form crimping connecting portion 22a, in the scope of its 2nd inner predetermined distance b, leave the outer circumferential side insulation-coated layer 24a and the outer circumferential side side insulation coating 24b of the ring-type of Rack c, become the state that screen 23 exposes in the part that leaves.The part that screen 23 is exposed like this is called ground connection connecting portion 23a.Because screen 23 is that formation is put in the horizontal winding of many fine wires, so under the state that screen 23 is exposed, easily loose and be random shape at each fine wire of ground connection connecting portion 23a place, but pass through the insulation-coated layer of the outer circumferential side 24a of left ring-type in this wise, then can keep each fine wire, prevent to become random shape.At this moment, because outer circumferential side side insulation coating 24b is the insulation-coated layer of the outer circumferential side of ring-type 24a and the insulation-coated layer of outer circumferential side 24 overall fixed, so the effect that each fine wire is kept of insulation-coated layer of 24a of outer circumferential side is stablized.
Like this, the flat cable of processed back, end state is the flat cable FC of the invention process form, and with reference to Fig. 4 and Fig. 5, the Belt connector cable that connector is installed in made on this flat cable FC end is described.
At first, the pin connector PC structure on the flat cable FC end that is connected said structure is described.Pin connector PC is made of crimping cover 1 and connector body 5.As shown in Figure 4, the end of the flat cable FC of said structure is installed on crimping cover 1, with this crimping cover 1 to the i.e. pushing in the direction of arrow A of connector body 5, the cable of the Belt connector that shop drawings 5 is such.
Crimping cover 1 by cable retaining member 2 made of insulating material and covering cable retaining member 2 outsides and the metal radome of installing 3 constitute.On cable retaining member 2, be formed with a plurality of cables that form the U font and keep groove 2a, 2b, these a plurality of cables keep groove 2a, 2b respectively with the identical spacing arrangement of arrangement pitches of the coaxial cable 20 of above-mentioned flat cable FC.On cable retaining member 2, like that also be formed with crimp type terminal accepting groove 2c and earth terminal accepting hole 2d as shown.And, each pressure contact portion 22a of flat cable FC is housed in these cables keeps in groove 2a, the 2b, as shown in Figure 4, the leading section of flat cable FC is installed on the crimping cover 1.
As mentioned above, each pressure contact portion 22a of flat cable FC is housed in cable to be kept in groove 2a, the 2b and is installed on the crimping cover 1, with this crimping cover 1 when connector body 5 promptly pushes in the direction of arrow A, the 8a of crimp type terminal portion is in the insulation-coated layer 22 of interior all sides of cutting pressure contact portion 22a, the pressure contact portion 22a that nips, heart yearn 21 is inserted in the heart yearn accepting groove 8b, and the contact 8 corresponding with heart yearn 21 is electrically connected.Simultaneously, ground connection connecting portion 23a is accommodated in the shielding accepting groove 7b that remains on earth terminal resettlement section 7a.Then, shown in the arrow B of Fig. 6, radome 3 is pushed, and make the top butt of its leading section 3a and ground connection connecting portion 23a and it is pushed downwards.Thus, the shielding accepting groove 7b's that supports with ground connection connecting portion 23a, leading section 3a and to the pushing of leading section 3a all is electrically connected.In addition, at this moment, the front end of the 8a of crimp type terminal portion enters in the crimp type terminal accepting groove 2c, and the front end of earth terminal resettlement section 7a enters in the earth terminal accepting hole 2d.
[embodiment 2]
In Fig. 3 of embodiment 1 (B), represented the example that the upper side at the insulation-coated layer of the outer circumferential side of coaxial cable 20 24 is exposed ground connection connecting portion 23a, but as shown in Figure 7, also can make ground connection connecting portion 23a in the above with the following structure of all exposing.As the feature of the coaxial cable 20 of structure shown in Figure 7, can enumerate following example: by be provided with top ground connection connecting portion 23b and below 2 of connecting portion 23c are set connecting portion are set, ground plate 7 and radome 3 are electrically connected respectively.
Fig. 8 represents connector is installed in the Belt connector cable that is made on such flat cable FC end.For connector body 5 are structures identical with the connector body 5 of embodiment 1, but can see, it is different from the method for attachment on the ground plate 7 and radome 3 among connecting portion 23b, the 23c that is provided with at coaxial cable 20.In the coaxial cable 20 of structure shown in Figure 7, when ground connection connecting portion 23b, 23c being accommodated in the shielding accepting groove 7b that remains on earth terminal resettlement section 7a, following ground connection connecting portion 23c and shielding accepting groove 7b face contact, thus, screen 23 is electrically connected with ground plate 7.And, shown in the arrow B of Fig. 8, radome 3 is pushed, make its leading section 3a and top ground connection connecting portion 23b butt, it is pushed downwards.Like this, by with top be provided with connecting portion 23a with below that two faces of connecting portion 23b are set is corresponding with being connected of radome 3 with ground plate 7 respectively, the shielding accepting groove 7b and the contact condition of screen 23 are stablized.
Claims (3)
1. a flat cable is many coaxial cables to be arranged in parallel be held in the same plane flat cable that forms,
Described coaxial cable comprises: the heart yearn that linearity is extended coats the insulation-coated layer of the interior all sides that are provided with; Coat the set screen of periphery of the insulation-coated layer of described interior all sides; And the set insulation-coated layer of outer circumferential side of the periphery that coats described screen, it is characterized in that,
End at described coaxial cable, in the scope of the 1st specific length of front end, insulation-coated layer of described outer circumferential side and described screen peelled off make described in insulation-coated layer of all sides expose and be formed with pressure contact portion, in scope from the 2nd inner specific length of described pressure contact portion, under the situation of the insulation-coated layer of the circular outer periphery side of the Rack that leaves outer circumferential side side insulation coating and front, the insulation-coated layer of described outer circumferential side is partly peelled off and is formed with the ground connection connecting portion, and the described outer circumferential side side insulation coating that leaves is with insulation-coated layer of the described circular outer periphery side that leaves and whole connection of the insulation-coated layer of described outer circumferential side.
2. flat cable as claimed in claim 1 is characterized in that,
Described many coaxial cables utilize retainer belt to be arranged in parallel to be held in same plane and form flat cable,
The end of described coaxial cable is outstanding to foreign side from the end of described retainer belt, is formed with described pressure contact portion and described ground connection connecting portion in the end of outstanding so described coaxial cable.
3. flat cable as claimed in claim 1 is characterized in that,
In the position that is described the 1st specific length from described coaxial cable front end, utilize YAG laser that insulation-coated layer of described outer circumferential side and described screen are cut off, pull out insulation-coated layer of the described outer circumferential side that is positioned at described the 1st specific length scope and described screen, make described interior all sides expose and form described pressure contact portion for insulation-coated layer
In the 2nd inner specific length of described pressure contact portion, irradiation CO
2Laser but stays the insulation-coated layer of the outer circumferential side of front Rack so that described screen exposes, and the insulation-coated layer segment fusion of described outer circumferential side is removed and forms described ground connection connecting portion.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004262682 | 2004-09-09 | ||
| JP2004262682A JP4133980B2 (en) | 2004-09-09 | 2004-09-09 | Flat cable |
| JP2004-262682 | 2004-09-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1747076A CN1747076A (en) | 2006-03-15 |
| CN1747076B true CN1747076B (en) | 2011-08-24 |
Family
ID=36159213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510099562 Active CN1747076B (en) | 2004-09-09 | 2005-09-06 | Flat cable |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4133980B2 (en) |
| CN (1) | CN1747076B (en) |
| TW (1) | TW200623158A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3709992B2 (en) * | 2003-03-11 | 2005-10-26 | ケル株式会社 | Flat cable |
| CN101325101B (en) * | 2007-06-13 | 2011-03-23 | 富士康(昆山)电脑接插件有限公司 | Cable combination |
| JP6620054B2 (en) * | 2016-03-30 | 2019-12-11 | タツタ電線株式会社 | Multi-core cable and method of manufacturing multi-core cable |
| JP7109280B2 (en) * | 2018-07-02 | 2022-07-29 | 日本航空電子工業株式会社 | cable harness |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1039071C (en) * | 1993-07-29 | 1998-07-08 | 惠特克公司 | Connector for flexible flat cable |
-
2004
- 2004-09-09 JP JP2004262682A patent/JP4133980B2/en not_active Expired - Lifetime
-
2005
- 2005-08-15 TW TW094127740A patent/TW200623158A/en unknown
- 2005-09-06 CN CN 200510099562 patent/CN1747076B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1039071C (en) * | 1993-07-29 | 1998-07-08 | 惠特克公司 | Connector for flexible flat cable |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4133980B2 (en) | 2008-08-13 |
| JP2006079936A (en) | 2006-03-23 |
| CN1747076A (en) | 2006-03-15 |
| TW200623158A (en) | 2006-07-01 |
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