CN102377089B - Aperture flat cable applicable to multi-directional rotating shafts - Google Patents
Aperture flat cable applicable to multi-directional rotating shafts Download PDFInfo
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- CN102377089B CN102377089B CN 201110170005 CN201110170005A CN102377089B CN 102377089 B CN102377089 B CN 102377089B CN 201110170005 CN201110170005 CN 201110170005 CN 201110170005 A CN201110170005 A CN 201110170005A CN 102377089 B CN102377089 B CN 102377089B
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- flat cable
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Abstract
The invention discloses an aperture flat cable applicable to multi-directional rotating shafts, which is characterized by comprising a crossunder section and a first connection and a second connection at two ends. The crossunder section is a long and narrow slice, which adopts flexible material as a substrate and is provided with conductive wires on the surface; the first connection is positioned at one end of the crossunder section and provided with a transition section connected with the tail end of the crossunder section, the transition section extends along the direction perpendicular to the crossunder section to form a first flat cable terminal, a bendable crease is arranged between the first flat cable terminal and the transition section, the largest widths of the transition section and the first flat cable terminal are both not more than the diameter of a shaft hole to be passed; and the largest width of the crossunder section is not more than that of the transition section. The flexible connection in the scheme and the crossunder section form to be a shape capable of passing through the rotating shaft hole, and the largest width of the crossunder section is less than the diameter of the rotating shaft hole, therefore, the installation is convenient, and the aperture flat cable is not deformed and even damaged by torsion due to the influence of relative rotation of the rotating shaft; and simultaneously, the crossunder section is not relatively scrapped so that the electrical and mechanical properties of the aperture flat cable are stable.
Description
Technical field
The present invention relates to a kind of parts for electrical connection, specifically a kind of perforated flat cable that is applicable to multiway rotating shaft.
Background technology
The electronic equipment of miniaturization has increasing application in productive life various fields, and its form is ever-changing, and function is also rich and varied.The electronic equipment of one class is arranged except electronic component, have and mutually to rotate, bend or/and the structure of sliding.This class formation common are: the collapsible or rotatable LCD screen of while of handheld multimedia devices, guidance panel; But automatically control probe of multiaxis activity etc.Along with technical development, these mini-plant digitized degrees are more and more higher, and the interior data transmission quantity is also corresponding very large, volume may be more and more limited simultaneously, be not singly the inner space, especially rotate, bend isostructural rotating shaft, its pore size can not be done very greatly.
In order to process the data transmission problems at movable positions such as passing rotating shaft, bending, some technology are arisen at the historic moment, and such as flexible PCB, but the winding displacement of more and more pins easily damages when rotating shaft repeatedly bends after flexible PCB is passed.Along with the winding displacement number of pins constantly increases, the aperture of passing simultaneously is constant again, and this problem is more and more obvious.For such problem, some scheme improvement are targetedly arranged, such as CN200410073731.5 represents the disclosed signal transmission flat cable that is applicable to by rotating shaft mechanism, just be based on the scheme of flexible PCB, circuit board is vertically cut in the bending place of cross-under, when making this part pass the rotating shaft aperture, its effective width reduces greatly.This has solved to a great extent and has been difficult to cross-under or flimsy problem.But this class scheme, the scheme of also namely vertically cutting winding displacement also has corresponding deficiency, such as, cut the winding displacement of dispersion and swiped mutually when rotating shaft is rotated, might affect the figure layer on its surface; Not fixing of winding displacement relative position causes the winding displacement distributed capacitance to change; Be exactly that winding displacement itself needs cutting, has increased processing step and time cost on the other hand.
So, we find, how to make that perforated flat cable properly assembles, the non-damageable while, make again winding displacement have more stable machinery, electric property and simple form, become a problem that needs to be resolved hurrily.
Summary of the invention
For above demand, the present invention proposes a kind of perforated flat cable that is applicable to multiway rotating shaft, and its technical scheme is as follows:
Be applicable to the perforated flat cable of multiway rotating shaft, it comprises:
One cross-under section, this cross-under section is the thin-and-long thin slice, and take flexible material as substrate, its surface has electric conduction routing, and described electric conduction routing is extended and tight parallel arranging along this cross-under segment length direction;
One first joint is positioned at an end of described cross-under section; This first joint has a changeover portion and is connected in described cross-under section end; Described changeover portion is along extending a first row line end perpendicular to the direction of described cross-under section;
One second joint is positioned at the other end of described cross-under section, is communicated with one by one with electric conduction routing on described cross-under section;
Wherein, described first row line end has the winding displacement pin, has bent folding line between described first row line end and changeover portion; Described the second joint is by the electric conduction routing of cross-under section, then by described changeover portion to described first row line end, be communicated with one by one with described winding displacement pin respectively; The Breadth Maximum of described changeover portion, first row line end all is not more than the diameter of the axis hole that passes; The Breadth Maximum of described cross-under section is not more than the Breadth Maximum of described changeover portion.
As the preferred person of the technical program, can improve to some extent aspect following:
In one preferred embodiment, described the first joint and described cross-under section form in a slice flexible PCB; Described cross-under section width is even; Described electric conduction routing is distributed in the two sides of described cross-under section.
In one preferred embodiment, described winding displacement pin is the form of conductive gold finger.
In one preferred embodiment, described winding displacement pin all is positioned on the same face of described its end of winding displacement end; Has via hole at described changeover portion.
In one preferred embodiment, described winding displacement pin is the corresponding two sides that is distributed in described its end of winding displacement end also.
In one preferred embodiment, described winding displacement pin place has stiffening plate.
In one preferred embodiment, described the second joint and described cross-under section form in a slice flexible PCB, and this second connector end has and described cross-under section second row line end in the same way; The winding displacement pin that has the golden finger form on this second row line end.
In one preferred embodiment, it is characterized in that: described the first joint also have between described changeover portion and first row line end one can be curling bending section.
In one preferred embodiment, it is characterized in that: the width range of described cross-under section is 2.8 to 4.8mm, and the described electric conduction routing number scope on it is 20 to 36.
In one preferred embodiment, the surface of described changeover portion, cross-under section has the anti-static coating with silver foil.
The beneficial effect that the present invention brings is:
1. the first joint that can be curling forms with the cross-under section and can pass the rotating shaft form of hole, and the Breadth Maximum of cross-under section is convenient to install less than shaft hole on the one hand, is not subjected to counterrotating impact of rotating shaft on the other hand and the distortion and even damage of being distorted.Overcome the technology prejudice of the necessary longitudinal grooved of cross-under section.
2. relative scraping does not occur in cross-under section, its electric and stable mechanical performance.
3. bending section makes changeover portion and first row line end not need to occur deformation and the first joint can be penetrated axis hole, and life-saving improves reliability.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing embodiment:
Fig. 1 is the embodiment of the present invention one top view;
Fig. 2 is the embodiment of the present invention two top views;
Fig. 3 is the cutaway view of an AA part embodiment illustrated in fig. 1;
Fig. 4 is the cutaway view of two AA parts embodiment illustrated in fig. 2;
Fig. 5 is the first joint top view of the embodiment of the present invention three;
Fig. 6 is the first joint top view of the embodiment of the present invention four;
Fig. 7 is the top view of the embodiment of the present invention five;
Fig. 8 is the top view of the embodiment of the present invention six;
A kind of application summary figure of embodiment illustrated in fig. 9 five.
Embodiment
Embodiment one:
As shown in Figure 1, the embodiment of the present invention one top view; Cross-under section 200 is a long and narrow thin slice, all takes shape in a slice flexible PCB with the first joint 10, the second joint 20; The first joint 10 has comprised that three parts are respectively changeover portion 100, bending section 110 and first row line end 120, and, the bearing of trend of the bearing of trend of this three part and cross-under section 100 is perpendicular---and the purpose of so setting is after the first joint 10 folding (or curling) is got up, its form can form the suitable shape of width with cross-under section 200, to such an extent as to can pass axis hole; Usually, the first joint 10 is when folding (or curling), and the form of changeover portion 100 and first row line end 120 is substantially constant, but bending section 110 occurs curling or bending, so make bending can not stretch so that damage electrostatic discharge figure layer on changeover portion 100, also can not make 120 distortion of winding displacement end.
Because the first joint 10, cross-under section 200 are all to form in a slice flexible PCB, the winding displacement end on the electric conduction routing on cross-under section 200 and even the first joint can be with same material; On cross-under section 200, its electric conduction routing is alongst extended, and parallel densely arranged, adopts special technique, and cross-under section 200 width can be controlled in yardstick less than axis hole; After cabling on cross-under section 200 advances to changeover portion 100, cross-under section 200 wherein the electric conduction routing of one side through the direct winding displacement pin on corresponding first row line end 120 one by one after bending section 110, another side is come the back side at changeover portion 100 by via hole, coplanar with electric conduction routing before, then pass through the winding displacement pin of bending section 110 connector remainders; Winding displacement pin on this winding displacement end 120 is all forms of golden finger.
In the present embodiment, the second joint 20 adopts the form identical with the first joint 10.The Breadth Maximum W1 of changeover portion 100, the Breadth Maximum W2 of first row line end 120 all are not more than the diameter of the axis hole that passes, and the Breadth Maximum W3 of the section of cross-under simultaneously 200 so namely easily is connected in axis hole, and can keeps shape when axis hole rotates less than W1.Cross-under section 200 two sides can hold 36 electric conduction routing of little what, and corresponding first row line end 120 is corresponding 36 golden fingers also.
In conjunction with Fig. 3, this is the profile of AA part in Fig. 1.101 is the substrate of flexible PCB, in the one side of this substrate 101, electric conduction routing 102 is from changeover portion 100 to bending section 110, more all keeps connection to first row line end 120, separately there is the electric conduction routing 102 of one side to be communicated to one side before by via hole, then arrives first row line end 120.At changeover portion 100, its substrate 101 and electric conduction routing 102 appearances all apply antistatic backing 103, and this is the black insulating barrier with silver foil.Bending segment is because its two sides of being everlasting occurs to stretch and compression, therefore there is no antistatic backing 110; First row line end 120 has stiffening plate 104 at the reverse side with respect to electric conduction routing 102, conveniently first row line end 120 is plugged in the socket of equipment.
Embodiment two:
As Fig. 2, the embodiment of the present invention two top views; Compare with embodiment, cross-under section 200, the second joint 20, different is the first joint 10.In this embodiment two, the first joint 10 has changeover portion 100, bending section 110 and first row line end 120 equally, but from the cabling of cross-under section 200 without via hole, the 2nd, directly pass through separately changeover portion 100, bending section 110 on the two sides, the golden finger on last and first row line end 120 connects one to one; Width W 3 relations of the width W 1 of its changeover portion 100, the width W of first row line end 2 and cross-under section are all with embodiment one.
In conjunction with Fig. 4 section details of AA part in Fig. 2 as can be known.At changeover portion 100, its anti-static coating 103, the equal similar embodiment one of electric conduction routing 102, but at bending section 110 and first row line end 120, electric conduction routing 102 still is respectively in the two sides of substrate 101, and, at first row line end 120, be inlaid with stiffening plate 104 within substrate 101.
Embodiment three:
As Fig. 5, the first joint top view of the embodiment of the present invention three; It is all identical with embodiment one that this embodiment cross-under section 200, changeover portion 100, bending section 110 and first row line end 120 and other do not indicate part; Difference is also to have a ground connection solder joint 109 on changeover portion 100 tops, and this ground connection solder joint 109 is communicated with cross-under sections 200 electric conduction routing as ground wire wherein.
Embodiment four:
As Fig. 6, the first joint top view of the embodiment of the present invention four; The part that this embodiment does not indicate is identical with embodiment one; Difference is, similar embodiment three has a ground connection solder joint 109 on changeover portion 100, and simultaneously, the first joint only has changeover portion 100 and first row line end 120, there is no bending section 110 parts of similar embodiment one (Fig. 1); Changeover portion 100 can be folding mutually with folding line each other with first row line end 120, completes the form that can bore a hole.
Embodiment five:
As Fig. 7, the top view of the embodiment of the present invention five; The present embodiment five has first joint identical with embodiment three; The second joint 20 of cross-under section 200 other ends have one with cross-under section 200 second row line end 28 in the same way; The golden finger of this second row line end 28 all is positioned at the same face, therefore need to pass through via hole from the electric conduction routing persons different from golden finger of cross-under section 200.In addition, second row line end 20 has a ground loop 29, and the ground connection solder joint 109 on this ground loop 29 and the first joint 10 keeps being communicated with.
Fig. 9 is a kind of application summary figure of embodiment illustrated in fig. 7 five.Two-way spindle 400 has two orthogonal the first axis holes 401 and the second axis hole 402, and the aperture of this two axis hole etc. are large; This two-way spindle 400 is comparatively common in rotating folding liquid crystal screen is used.During installation, changeover portion 100 and the first row line end 120 of the first joint 10 is curling along bending section 110, make it to pass through the first axis hole 401; After the first axis hole 401, make cross-under section 200 stretch out the first axis hole 401 a little, adjust the first curling joint 10, penetrate again the second axis hole 402, launch afterwards the first curling joint 10, make it the state that recovers smooth, so namely obtained the rotating shaft assembly of a cross-under winding displacement.Due to the width of cross-under section 200 less than the first axis hole 401 and the second axis hole 402, so no matter how relatively the rotation of two axis holes, cross-under section 200 distortion that can be distorted does not hardly produce any mutual scraping yet, is to be very stable perforated flat cable form.
Embodiment six:
As Fig. 8, the top view of the embodiment of the present invention six; Compare with embodiment five, basically form and structure are all identical, different is, the ground loop 29 of former embodiment five is patterns of a ground strip 30, ground connection solder joint 109 on its form and structure and the first joint 10 is similar, keep electrical communication with 109 equally, outside electrical connection be fixed and be completed to this ground strip 30 can by modes such as welding, clampings.
The above, only for preferred embodiment of the present invention, therefore can not limit according to this scope of the invention process, the equivalence of namely doing according to the scope of the claims of the present invention and description changes and modifies, and all should still belong in the scope that the present invention contains.
Claims (8)
1. be applicable to the perforated flat cable of multiway rotating shaft, it is characterized in that: it comprises:
One cross-under section, this cross-under section is the thin-and-long thin slice, and take flexible material as substrate, its surface has electric conduction routing, and described electric conduction routing is extended and tight parallel arranging along this cross-under segment length direction;
One first joint is positioned at an end of described cross-under section; This first joint has a changeover portion and is connected in described cross-under section end; Described changeover portion is along extending a first row line end perpendicular to the direction of described cross-under section;
One second joint is positioned at the other end of described cross-under section, is communicated with one by one with electric conduction routing on described cross-under section;
Wherein, described first row line end has the winding displacement pin, has bent folding line between described first row line end and changeover portion; Described the second joint is by the electric conduction routing of cross-under section, then by described changeover portion to described first row line end, be communicated with one by one with described winding displacement pin respectively; The Breadth Maximum of described changeover portion, first row line end all is not more than the diameter of the axis hole that passes; The Breadth Maximum of described cross-under section is not more than the Breadth Maximum of described changeover portion;
Described the first joint and described cross-under section form in a slice flexible PCB; Described cross-under section width is even; Described electric conduction routing is distributed in the two sides of described cross-under section; The width range of this cross-under section is 3.2 to 4.8mm, and the described electric conduction routing number scope on it is 20 to 36.
2. be applicable to according to claim 1 the perforated flat cable of multiway rotating shaft, it is characterized in that: described winding displacement pin is the form of conductive gold finger.
3. be applicable to according to claim 2 the perforated flat cable of multiway rotating shaft, it is characterized in that: described winding displacement pin all is positioned on the same face of described its end of winding displacement end; Has via hole at described changeover portion.
4. be applicable to according to claim 2 the perforated flat cable of multiway rotating shaft, it is characterized in that: described winding displacement pin is the corresponding two sides that is distributed in described its end of winding displacement end also.
5. be applicable to according to claim 1 the perforated flat cable of multiway rotating shaft, it is characterized in that: described winding displacement pin place has stiffening plate.
6. the described perforated flat cable that is applicable to multiway rotating shaft of according to claim 1 to 5 any one, it is characterized in that: described the second joint and described cross-under section form in a slice flexible PCB, and this second connector end has and described cross-under section second row line end in the same way; The winding displacement pin that has the golden finger form on this second row line end.
7. be applicable to according to claim 6 the perforated flat cable of multiway rotating shaft, it is characterized in that: described the first joint also have between described changeover portion and first row line end one can be curling bending section.
8. be applicable to according to claim 7 the perforated flat cable of multiway rotating shaft, it is characterized in that: the surface of described changeover portion, cross-under section has the anti-static coating with silver foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110170005 CN102377089B (en) | 2011-06-22 | 2011-06-22 | Aperture flat cable applicable to multi-directional rotating shafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110170005 CN102377089B (en) | 2011-06-22 | 2011-06-22 | Aperture flat cable applicable to multi-directional rotating shafts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102377089A CN102377089A (en) | 2012-03-14 |
| CN102377089B true CN102377089B (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110170005 Expired - Fee Related CN102377089B (en) | 2011-06-22 | 2011-06-22 | Aperture flat cable applicable to multi-directional rotating shafts |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832520B (en) * | 2012-08-31 | 2015-07-01 | 惠州Tcl移动通信有限公司 | Portable electronic equipment |
| CN105516412B (en) * | 2015-12-29 | 2018-03-27 | 广东欧珀移动通信有限公司 | Flexible PCB and mobile terminal with double golden finger |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2426261Y (en) * | 2000-05-08 | 2001-04-04 | 英业达集团(上海)电子技术有限公司 | Flexible printed circuit board |
| CN1953274A (en) * | 2005-10-19 | 2007-04-25 | 易鼎股份有限公司 | Arranging wire for circuit connection capable of changing opposite pin |
| CN101902873A (en) * | 2009-06-01 | 2010-12-01 | 易鼎股份有限公司 | Flexible circuit cable with cluster section |
| CN102044310A (en) * | 2009-10-20 | 2011-05-04 | 易鼎股份有限公司 | Fascicular flexible circuit busbar wire |
| CN202189983U (en) * | 2011-06-22 | 2012-04-11 | 张树珍 | Flexible perforated flat cable |
-
2011
- 2011-06-22 CN CN 201110170005 patent/CN102377089B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2426261Y (en) * | 2000-05-08 | 2001-04-04 | 英业达集团(上海)电子技术有限公司 | Flexible printed circuit board |
| CN1953274A (en) * | 2005-10-19 | 2007-04-25 | 易鼎股份有限公司 | Arranging wire for circuit connection capable of changing opposite pin |
| CN101902873A (en) * | 2009-06-01 | 2010-12-01 | 易鼎股份有限公司 | Flexible circuit cable with cluster section |
| CN102044310A (en) * | 2009-10-20 | 2011-05-04 | 易鼎股份有限公司 | Fascicular flexible circuit busbar wire |
| CN202189983U (en) * | 2011-06-22 | 2012-04-11 | 张树珍 | Flexible perforated flat cable |
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| CN102377089A (en) | 2012-03-14 |
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