CN102377089A - 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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- CN102377089A CN102377089A CN2011101700055A CN201110170005A CN102377089A CN 102377089 A CN102377089 A CN 102377089A CN 2011101700055 A CN2011101700055 A CN 2011101700055A CN 201110170005 A CN201110170005 A CN 201110170005A CN 102377089 A CN102377089 A CN 102377089A
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- winding displacement
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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 that are used to be electrically connected, specifically is a kind of perforation winding displacement that is applicable to multidirectional rotating shaft.
Background technology
The electronic equipment of miniaturization all has increasing application in the various fields of productive life, and its form is ever-changing, and function is also rich and varied.The electronic equipment that has one type has and can rotate each other, bend or/and the structure of sliding except electronic component.What this class formation was common has: the collapsible or rotatable LCD screen of while of handheld multimedia devices, guidance panel; But control movable probe of multiaxis or the like automatically.Along with technical development, these mini-plant digitized degrees are increasingly high, and the interior data transmission quantity is also corresponding very big; Volume may be more and more limited simultaneously; Singly be not the inner space, especially rotate, bend isostructural rotating shaft, its pore size can not be done very greatly.
In order to handle 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, damage easily when rotating shaft repeatedly bends but the winding displacement of more and more pins makes flexible PCB pass the back.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.To such problem; Some scheme improvement are targetedly arranged; Such as CN200410073731.5 is the disclosed signal transmission flat cable that is applicable to through rotating shaft mechanism of representative, just is based on the scheme of flexible PCB, and 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 type scheme, the scheme of also promptly vertically cutting winding displacement also has corresponding deficiency, such as, cut the winding displacement of dispersion and when rotating shaft is rotated, swiped mutually, might influence its surperficial figure layer; 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 the perforation winding displacement properly assembles, the non-damageable while, make winding displacement have more stable machinery, electric property and simple form again, become a problem that needs to be resolved hurrily.
Summary of the invention
To above demand, the present invention proposes a kind of perforation winding displacement that is applicable to multidirectional rotating shaft, and its technical scheme is following:
Be applicable to the perforation winding displacement of multidirectional rotating shaft, it comprises:
One cross-under section, this cross-under section is the thin-and-long thin slice, is substrate with the flexible material, and its surface has electric conduction routing, and said electric conduction routing is extended and closely parallel arranging along this cross-under segment length direction;
One first joint is positioned at an end of said cross-under section; This first joint has a changeover portion and is connected in said cross-under section end; Said changeover portion is along extending one first winding displacement end perpendicular to the direction of said cross-under section;
One second joint is positioned at the other end of said cross-under section, is communicated with one by one with electric conduction routing on the said cross-under section;
Wherein, the said first winding displacement end has the winding displacement pin, has bent folding line between said first winding displacement end and the changeover portion; Said second joint arrives the said first winding displacement end through said changeover portion again through the electric conduction routing of cross-under section, is communicated with one by one with said winding displacement pin respectively; The Breadth Maximum of said changeover portion, the first winding displacement end all is not more than the diameter of the axis hole that passes; The Breadth Maximum of said cross-under section is not more than the Breadth Maximum of said changeover portion.
As the preferred person of present technique scheme, can aspect following, improve to some extent:
In one preferred embodiment, said first joint and said cross-under section form in a slice flexible PCB; Said cross-under section width is even; Said electric conduction routing is distributed in the two sides of said cross-under section.
In one preferred embodiment, said winding displacement pin is the form of conductive gold finger.
In one preferred embodiment, said winding displacement pin all is positioned on its terminal same one side of said winding displacement end; Has via hole at said changeover portion.
In one preferred embodiment, also corresponding its terminal two sides of said winding displacement end that is distributed in of said winding displacement pin.
In one preferred embodiment, said winding displacement pin place has stiffening plate.
In one preferred embodiment, said second joint and said cross-under section form in a slice flexible PCB, and this second connector end has and the said cross-under section second winding displacement end in the same way; The winding displacement pin that has the golden finger form on this second winding displacement end.
In one preferred embodiment, it is characterized in that: said first joint also has the bending section that can curl between the said changeover portion and the first winding displacement end.
In one preferred embodiment, it is characterized in that: the width range of said cross-under section is 2.8 to 4.8mm, and the said electric conduction routing bar scope of counting on it is 20 to 36.
In one preferred embodiment, the surface of said changeover portion, cross-under section has the anti-static coating of band silver foil.
The beneficial effect that the present invention brings is:
1. first joint that can curl forms the form can pass shaft hole with the cross-under section, and the Breadth Maximum of cross-under section is convenient to install less than shaft hole on the one hand, does not receive counterrotating influence of rotating shaft on the other hand and the distortion and even damage of being distorted.Overcome the vertically technological prejudice of fluting of cross-under section.
2. relative scraping does not take place in cross-under section, its electric and stable mechanical performance.
3. bending section makes the changeover portion and the first winding displacement end that deformation need not take place and can first joint be penetrated axis hole, and life-saving improves reliability.
Description of drawings
Embodiment is described further the present invention below in conjunction with accompanying drawing:
Fig. 1 is the embodiment of the invention one top view;
Fig. 2 is the embodiment of the invention two top views;
Fig. 3 is the cutaway view of AA part embodiment illustrated in fig. 1;
Fig. 4 is the cutaway view of two AA part embodiment illustrated in fig. 2;
Fig. 5 is the first joint top view of the embodiment of the invention three;
Fig. 6 is the first joint top view of the embodiment of the invention four;
Fig. 7 is the top view of the embodiment of the invention five;
Fig. 8 is the top view of the embodiment of the 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 invention one top view; Cross-under section 200 is a long and narrow thin slice, all takes shape in a slice flexible PCB with first joint 10, second joint 20; First joint 10 has comprised that three parts are respectively changeover portion 100, bending section 110 and the first winding displacement 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 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; First joint 10 is when folding (or curling), and the form of the changeover portion 100 and the first winding displacement end 120 is constant basically, but bending section 110 takes place to curl or bending; So make bending can not stretch so that damage the electrostatic discharge figure layer on the changeover portion 100, also can not make 120 distortion of winding displacement end.
Because first joint 10, cross-under section 200 all are to form in a slice flexible PCB, the winding displacement end on the electric conduction routing on the cross-under section 200 and even first joint can be used same material; Its electric conduction routing is alongst extended on the cross-under section 200, and parallel densely arranged, adopts special technology, and cross-under section 200 width can be controlled in the yardstick less than axis hole; After cabling on the cross-under section 200 advances to changeover portion 100; The cross-under section 200 wherein electric conduction routing of one side is passed through the winding displacement pin on the direct corresponding one by one first winding displacement end 120 in bending section 110 backs; Another side is then come the back side at changeover portion 100 through via hole; With electric conduction routing coplane before, pass through the winding displacement pin of bending section 110 connector remainders again; Winding displacement pin on this winding displacement end 120 all is forms of golden finger.
In the present embodiment, second joint 20 adopts the form identical with first joint 10.The Breadth Maximum W2 of the Breadth Maximum W1 of changeover portion 100, the first winding displacement end 120 all is 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 promptly is connected in the axis hole easily, and can when axis hole rotates, keeps shape less than W1.Cross-under section 200 two sides can hold 36 electric conduction routing of little what, also corresponding 36 golden fingers of the corresponding first winding displacement end 120.
In conjunction with Fig. 3, this is the profile of AA part among Fig. 1.101 is the substrate of flexible PCB; In the one side of this substrate 101, electric conduction routing 102 all keeps being communicated with to the first winding displacement end 120 from changeover portion 100 to bending section 110 again; Other has the electric conduction routing 102 of one side to be communicated to one side before through via hole, arrives the first winding displacement end 120 again.At changeover portion 100, its substrate 101 all applies antistatic backing 103 with electric conduction routing 102 appearances, and this is the black insulating barrier that has silver foil.Bending segment is because stretching and compression take place in its two sides of being everlasting, so there is not antistatic backing 110; The first winding displacement end 120 has stiffening plate 104 at the reverse side with respect to electric conduction routing 102, conveniently the first winding displacement end 120 is plugged in the socket of equipment.
Embodiment two:
Like Fig. 2, the embodiment of the invention two top views; Compare with embodiment, cross-under section 200, second joint 20, different is first joint 10.First joint 10 has changeover portion 100, bending section 110 and the first winding displacement end 120 equally among this embodiment two; But from the cabling of cross-under section 200 without via hole; The 2nd, directly pass through changeover portion 100, bending section 110 separately on the two sides, the golden finger on last and the first winding displacement end 120 connects one to one; The width W 1 of its changeover portion 100, the width W of the first winding displacement end 2 concern all with embodiment one with the width W 3 of cross-under section.
Can know the section details of AA part among Fig. 2 in conjunction with Fig. 4.At changeover portion 100, its anti-static coating 103, electric conduction routing 102 equal similar embodiment one, but at the bending section 110 and the first winding displacement end 120; Electric conduction routing 102 still is respectively in the two sides of substrate 101; And,, be inlaid with stiffening plate 104 within the substrate 101 at the first winding displacement end 120.
Embodiment three:
Like Fig. 5, the first joint top view of the embodiment of the invention three; This embodiment cross-under section 200, changeover portion 100, bending section 110 and the first winding displacement end 120 and other do not indicate partly all identical with embodiment one; Different 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 section 200 electric conduction routing as ground wire wherein.
Embodiment four:
Like Fig. 6, the first joint top view of the embodiment of the invention four; The part that this embodiment does not indicate is identical with embodiment one; Different is, similar embodiment three has a ground connection solder joint 109 on changeover portion 100, and simultaneously, first joint has only the changeover portion 100 and the first winding displacement end 120, does not have bending section 110 parts of similar embodiment one (Fig. 1); Changeover portion 100 can be folding mutually with folding line each other with the first winding displacement end 120, the form that completion can be bored a hole.
Embodiment five:
Like Fig. 7, the top view of the embodiment of the invention five; Present embodiment five has first joint identical with embodiment three; Second joint 20 of cross-under section 200 other ends have one with the cross-under section 200 second winding displacement end 28 in the same way; The golden finger of this second winding displacement end 28 all is positioned at one side, so need pass through via hole from the different persons with golden finger of electric conduction routing of cross-under section 200.In addition, the second winding displacement end 20 has a ground loop 29, and the ground connection solder joint 109 on this ground loop 29 and 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 rotating shaft 400 has two orthogonal first axis holes 401 and second axis hole 402, and the aperture of this two axis hole etc. are big; This two-way rotating shaft 400 is comparatively common in rotating folding liquid crystal display screen is used.During installation, the changeover portion 100 and the first winding displacement end 120 of first joint 10 is curling along bending section 110, make it to pass through first axis hole 401; Behind first axis hole 401, it is a little to make cross-under section 200 stretch out first axis hole 401, first joint 10 that adjustment has been curled; Penetrate second axis hole 402 again; Launch first joint 10 that curled afterwards, make it the state that recovers smooth, so promptly obtained the rotating shaft assembly of a cross-under winding displacement.Because the width of cross-under section 200 is less than first axis hole 401 and second axis hole 402, so no matter how two axis holes rotate relatively, cross-under section 200 distortion that can be distorted does not hardly produce any mutual scraping yet, is to be very stable row of perforations line morphology.
Embodiment six:
Like Fig. 8, the top view of the embodiment of the invention six; Compare with embodiment five; Basically form is all identical with structure; Different is, the ground loop 29 of former embodiment five is patterns of a ground strip 30, and the ground connection solder joint 109 on its form and structure and first joint 10 is similar; Keep electrical communication with 109 equally, outside being electrically connected fixed and accomplished to this ground strip 30 can through modes such as welding, clampings.
The above is merely preferred embodiment of the present invention, so can not limit the scope that the present invention implements according to this, the equivalence of promptly doing according to claim of the present invention and description changes and modifies, and all should still belong in the scope that the present invention contains.
Claims (10)
1. be applicable to the perforation winding displacement of multidirectional rotating shaft, it is characterized in that: it comprises:
One cross-under section, this cross-under section is the thin-and-long thin slice, is substrate with the flexible material, and its surface has electric conduction routing, and said electric conduction routing is extended and closely parallel arranging along this cross-under segment length direction;
One first joint is positioned at an end of said cross-under section; This first joint has a changeover portion and is connected in said cross-under section end; Said changeover portion is along extending one first winding displacement end perpendicular to the direction of said cross-under section;
One second joint is positioned at the other end of said cross-under section, is communicated with one by one with electric conduction routing on the said cross-under section;
Wherein, the said first winding displacement end has the winding displacement pin, has bent folding line between said first winding displacement end and the changeover portion; Said second joint arrives the said first winding displacement end through said changeover portion again through the electric conduction routing of cross-under section, is communicated with one by one with said winding displacement pin respectively; The Breadth Maximum of said changeover portion, the first winding displacement end all is not more than the diameter of the axis hole that passes; The Breadth Maximum of said cross-under section is not more than the Breadth Maximum of said changeover portion.
2. according to the said perforation winding displacement that is applicable to multidirectional rotating shaft of claim 1, it is characterized in that: said first joint and said cross-under section form in a slice flexible PCB; Said cross-under section width is even; Said electric conduction routing is distributed in the two sides of said cross-under section.
3. according to the said perforation winding displacement that is applicable to multidirectional rotating shaft of claim 2, it is characterized in that: said winding displacement pin is the form of conductive gold finger.
4. according to the said perforation winding displacement that is applicable to multidirectional rotating shaft of claim 3, it is characterized in that: said winding displacement pin all is positioned on its terminal same one side of said winding displacement end; Has via hole at said changeover portion.
5. according to the said perforation winding displacement that is applicable to multidirectional rotating shaft of claim 3, it is characterized in that: also corresponding its terminal two sides of said winding displacement end that is distributed in of said winding displacement pin.
6. according to claim 4 or the 5 said perforation winding displacements that are applicable to multidirectional rotating shaft, it is characterized in that: said winding displacement pin place has stiffening plate.
7. according to each said perforation winding displacement that is applicable to multidirectional rotating shaft of claim 1 to 5; It is characterized in that: said second joint and said cross-under section form in a slice flexible PCB, and this second connector end has and the said cross-under section second winding displacement end in the same way; The winding displacement pin that has the golden finger form on this second winding displacement end.
8. according to each said perforation winding displacement that is applicable to multidirectional rotating shaft of claim 1 to 5, it is characterized in that: said first joint also has the bending section that can curl between the said changeover portion and the first winding displacement end.
9. according to each said perforation winding displacement that is applicable to multidirectional rotating shaft of claim 2 to 5, it is characterized in that: the width range of said cross-under section is 3.2 to 4.8mm, and the said electric conduction routing bar scope of counting on it is 20 to 36.
10. according to the said perforation winding displacement that is applicable to multidirectional rotating shaft of claim 9, it is characterized in that: the surface of said changeover portion, cross-under section has the anti-static coating of band 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 true CN102377089A (en) | 2012-03-14 |
| CN102377089B CN102377089B (en) | 2013-11-06 |
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Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
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| CN (1) | CN102377089B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832520A (en) * | 2012-08-31 | 2012-12-19 | 惠州Tcl移动通信有限公司 | Circuit board connecting device and manufacturing method thereof, and portable electronic equipment |
| CN105516412A (en) * | 2015-12-29 | 2016-04-20 | 广东欧珀移动通信有限公司 | Flexible printed circuit equipped with double rows of golden fingers and mobile terminal |
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| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832520A (en) * | 2012-08-31 | 2012-12-19 | 惠州Tcl移动通信有限公司 | Circuit board connecting device and manufacturing method thereof, and portable electronic equipment |
| CN102832520B (en) * | 2012-08-31 | 2015-07-01 | 惠州Tcl移动通信有限公司 | Portable electronic equipment |
| CN105516412A (en) * | 2015-12-29 | 2016-04-20 | 广东欧珀移动通信有限公司 | Flexible printed circuit equipped with double rows of golden fingers and mobile terminal |
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| Publication number | Publication date |
|---|---|
| CN102377089B (en) | 2013-11-06 |
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