CN117377195A - Durable flexible circuit board capable of avoiding excessive bending - Google Patents
Durable flexible circuit board capable of avoiding excessive bending Download PDFInfo
- Publication number
- CN117377195A CN117377195A CN202311362074.5A CN202311362074A CN117377195A CN 117377195 A CN117377195 A CN 117377195A CN 202311362074 A CN202311362074 A CN 202311362074A CN 117377195 A CN117377195 A CN 117377195A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- board
- avoiding excessive
- excessive bending
- flexible circuit
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000005452 bending Methods 0.000 title claims abstract description 42
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 241001391944 Commicarpus scandens Species 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 34
- 239000011241 protective layer Substances 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0277—Bendability or stretchability details
- H05K1/028—Bending or folding regions of flexible printed circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Structure Of Printed Boards (AREA)
Abstract
The invention relates to the technical field of circuit boards, in particular to a durable flexible circuit board capable of avoiding excessive bending, which is supported by a bottom plate and a top plate during use, and then a plurality of circuit boards can be arranged between the bottom plate and the top plate. In addition, when buckling, one side of the circuit board is stressed, and the other side is stressed in tension, so that the circuit board is easy to break, and therefore the circuit board is provided with a plurality of bent wire sections, so that deformation in a certain range can be allowed, the deformation capacity is enhanced through the extension layer, the bending resistance of the circuit board can be greatly improved, and the service life of the circuit board is prolonged.
Description
Technical Field
The invention relates to the technical field of circuit boards, in particular to a durable flexible circuit board capable of avoiding excessive bending.
Background
The flexible circuit board is also called a flexible circuit board, a flexible printed circuit board and the like, has the characteristics of high wiring density, light weight and the like, and can be divided into a single-layer board, a double-layer board, a multi-layer board, a double-layer board and the like.
The prior art provides a flexible printed circuit board (CN 103188869B) whose soldering terminal includes: a substrate; the first conductive layer and the second conductive layer are arranged on two sides of the substrate; a plurality of vias for conducting the first and second conductive layers; the first protective layers are arranged on two sides of the first conductive layer and/or the second protective layers are arranged on two sides of the second conductive layer. The first protective layer and/or the second protective layer are/is additionally arranged at the welding end of the flexible printed circuit board, so that the strength of the area is enhanced, and the flexible printed circuit board is prevented from being broken or broken in the transportation or use process.
However, when the above structure is adopted, the situation that the normal operation is affected due to the breakage of the internal lead caused by the overlarge bending angle of the circuit board still exists, and further improvement is needed.
Disclosure of Invention
The invention aims to provide a durable flexible circuit board capable of avoiding excessive bending, which aims to greatly improve the bending resistance of the circuit board and further prolong the service life of the circuit board.
In order to achieve the above object, the invention provides a durable flexible circuit board capable of avoiding excessive bending, comprising a supporting component, a plurality of circuit boards and a joint component, wherein the supporting component comprises a bottom plate, a plurality of flexible boards, a top plate and a connecting layer, the top plate is fixedly connected with the bottom plate and is positioned at the top of the bottom plate, the circuit boards are arranged between the bottom plate and the top plate, the flexible boards are arranged between every two adjacent circuit boards, the circuit boards comprise a circuit board body, two extension layers, a plurality of bending wire sections and contacts, the bending wire sections are sequentially connected, the two extension layers are arranged on two sides of the bending wire sections, the circuit boards are arranged on the outer sides of the extension layers, the joint component comprises a placing frame and a pressing plate, the placing frame is arranged on one side of the bottom plate, and the pressing plate is arranged on the top of the placing frame.
The flexible board comprises a first board and a second board, the first board is provided with a plurality of first inserting pieces, the second board is provided with a plurality of second inserting pieces, sliding grooves are formed in the first inserting pieces, and the second inserting pieces are arranged in the sliding grooves of the first inserting pieces in a sliding mode.
The flexible board further comprises a clamping block, and the clamping block is fixed on the first board and is close to the second board.
The support assembly further comprises a heat conduction layer, and the heat conduction layer is arranged at the contact position of the flexible board and the circuit board.
The connector assembly further comprises two elastic sheets and two connecting layers, wherein the two connecting layers are connected with contacts of adjacent circuit boards, and the two elastic sheets are arranged on the two connecting layers and are in contact with each other.
Wherein, the joint assembly still includes insulating barrier, insulating barrier sets up two between the elastic sheet.
The elastic sheet is provided with a contact sheet, and the two contact sheets are contacted with each other.
The connector assembly further comprises a buckle, the buckle is fixedly connected with the pressing plate and located on one side of the pressing plate, and a clamping groove is correspondingly formed in the placing frame.
According to the durable flexible circuit board capable of avoiding excessive bending, the circuit board is supported by the bottom plate and the top plate, and then a plurality of circuit boards can be installed between the bottom plate and the top plate. In addition, when buckling, one side of the circuit board is stressed, and the other side is stressed in tension, so that the circuit board is easy to break, and therefore the circuit board is provided with a plurality of bent wire sections, so that deformation in a certain range can be allowed, the deformation capacity is enhanced through the extension layer, and the bending resistance of the circuit board can be greatly improved, and the service life of the circuit board is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a structural view of a durable flexible wiring board capable of avoiding excessive bending according to a first embodiment of the present invention.
Fig. 2 is a sectional view of a durable flexible wiring board capable of avoiding excessive bending according to the first embodiment of the present invention.
Fig. 3 is an enlarged view of a portion of detail a of fig. 2.
Fig. 4 is a sectional view of a durable flexible circuit board capable of avoiding excessive bending along the circuit board according to the first embodiment of the present invention.
Fig. 5 is a sectional view of a durable flexible circuit board capable of avoiding excessive bending along the flexible board according to a second embodiment of the present invention.
Fig. 6 is a sectional view of a durable flexible circuit board capable of avoiding excessive bending along the circuit board according to a second embodiment of the present invention.
Fig. 7 is a partial enlarged view of detail B of fig. 6.
Support assembly 101, circuit board 102, joint assembly 103, bottom plate 104, flexible board 105, top plate 106, connection layer 107, circuit board body 108, extension layer 109, curved wire segment 110, contact 111, placement frame 112, pressure plate 113, first plate 201, second plate 202, first insert 203, second insert 204, chute 205, fixture block 206, heat conducting layer 207, elastic piece 208, connection layer 209, insulating spacer 210, contact piece 211, buckle 212, clamping slot 213, inclined plate 301, second spring plate 302.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, in the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
First embodiment
Referring to fig. 1 to 4, fig. 1 is a block diagram of a durable flexible circuit board capable of avoiding excessive bending according to a first embodiment of the present invention. Fig. 2 is a sectional view of a durable flexible wiring board capable of avoiding excessive bending according to the first embodiment of the present invention. Fig. 3 is an enlarged view of a portion of detail a of fig. 2. Fig. 4 is a sectional view of a durable flexible circuit board capable of avoiding excessive bending along the circuit board according to the first embodiment of the present invention.
The invention provides a durable flexible circuit board 102 capable of avoiding excessive bending, which comprises a supporting component 101, a plurality of circuit boards 102 and a connector component 103, wherein the supporting component 101 comprises a bottom plate 104, a plurality of flexible boards 105, a top plate 106 and a connecting layer 107, the top plate 106 is fixedly connected with the bottom plate 104 and is positioned at the top of the bottom plate 104, the circuit boards 102 are arranged between the bottom plate 104 and the top plate 106, the flexible boards 105 are arranged between every two adjacent circuit boards 102, the circuit boards 102 comprise a circuit board body 108, two extending layers 109, a plurality of bending conducting wire segments 110 and contacts 111, the bending conducting wire segments 110 are sequentially connected, the extending layers 109 are arranged at two sides of the bending conducting wire segments 110, the circuit boards 102 are arranged at the outer sides of the extending layers 109, the connector component 103 comprises a placing frame 112 and a pressing plate 113, the placing frame 112 is arranged at one side of the bottom plate 104, and the pressing plate 113 is arranged at the top of the placing frame 112.
In the present embodiment, the circuit board 102 is supported by the bottom plate 104 and the top plate 106, and then a plurality of the circuit boards 102 may be mounted between the bottom plate 104 and the top plate 106, and in order to increase the bending resistance of the circuit boards 102, a flexible board 105 is provided between every two adjacent circuit boards 102, the flexible board 105 being made of an elastic material, so that the bending resistance effect may be improved. In addition, when buckling, one side of the circuit board 102 is subjected to pressure, and the other side is subjected to tension, so that the circuit is easily broken, and therefore, the circuit board 102 provided with the plurality of bent wire segments 110 can allow deformation in a certain range, and the deformation capacity is enhanced through the extension layer 109, so that the bending resistance of the circuit board 102 can be greatly improved, and the service life of the circuit board 102 is prolonged.
Second embodiment
Referring to fig. 5 to 7, fig. 5 is a cross-sectional view of a durable flexible circuit board capable of avoiding excessive bending along the flexible board according to a second embodiment of the present invention. Fig. 6 is a sectional view of a durable flexible circuit board capable of avoiding excessive bending along the circuit board according to a second embodiment of the present invention. Fig. 7 is a partial enlarged view of detail B of fig. 6. On the basis of the first embodiment, the present invention further provides a durable flexible circuit board 102 capable of avoiding excessive bending, the flexible circuit board 105 includes a first board 201 and a second board 202, the first board 201 has a plurality of first inserting pieces 203, the second board 202 has a plurality of second inserting pieces 204, a sliding groove 205 is provided on the first inserting piece 203, and a plurality of second inserting pieces 204 are slidably provided in the sliding groove 205 of the plurality of first inserting pieces 203. In order to reduce the strength of the flexible board 105 and improve the flexibility, the flexible board 105 is divided into a first board 201 and a second board 202, so that the second board 202 can slide on the first board 201, thereby forming an air cavity, and then a sealed air cavity can be formed after pressing, so that the air cavity can be compressed to absorb deformation when bending, thereby further improving the strength.
The flexible board 105 further includes a latch 206, and the latch 206 is fixed on the first board 201 and is close to the second board 202. The second plate 202 that slides in place can be fastened and fixed by the clamping block 206, so that the use is more convenient.
The support assembly 101 further comprises a heat conductive layer 207, the heat conductive layer 207 being arranged at the contact of the flexible board 105 and the circuit board 102. The heat conducting layer 207 can increase the heat conducting efficiency of the circuit board 102, so that the use is more convenient.
The connector assembly 103 further includes two elastic pieces 208 and two connection layers 107, where the two connection layers 107 are connected to the contacts 111 of the adjacent circuit board 102, and the two elastic pieces 208 are disposed on the two connection layers 107 and contact each other. The elastic sheet 208 and the contact 111 of the circuit board 102 can be stably connected through the connection layer 107, and then can be conducted through the elastic sheet 208, and when the temperature is too high, the space around the elastic sheet 208 expands, so that the elastic sheet 208 has a space capable of bouncing up and is lifted up, and thus the connection can be disconnected, and the circuit can be protected.
The elastic piece 208 has a contact piece 211, and the two contact pieces 211 are in contact with each other. The connection in normal contact can be made more stable by providing a special contact piece 211.
The joint assembly 103 further includes an insulating spacer 210, the insulating spacer 210 being disposed between the two resilient tabs 208. The insulation partition 210 can separate the elastic piece 208 from other parts of the contact piece 211, so as to avoid false contact.
The joint assembly 103 further comprises a buckle 212, the buckle 212 is fixedly connected with the pressing plate 113, and is located at one side of the pressing plate 113, and a clamping groove 213 is correspondingly formed in the placement frame 112. The clamping buckle 212 and the clamping groove 213 are matched to better connect the pressing plate 113 and the placement frame 112, so that the use is more convenient.
The joint assembly 103 further comprises an inclined plate 301 and a second elastic sheet 302, the second elastic sheet 302 is arranged at the corner of the placement frame 112, and the inclined plate 301 is arranged on the second elastic sheet 302. The second elastic sheet 302 may elastically support the inclined plate 301, so that the inclined plate 301 may be pressed to provide a space for partial deformation when the circuit board 102 is bent, so that bending resistance may be improved.
The above disclosure is only a preferred embodiment of the present invention, and it should be understood that the scope of the invention is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present invention.
Claims (8)
1. A durable flexible circuit board capable of avoiding excessive bending is characterized in that,
including supporting component, a plurality of circuit board and joint Assembly, supporting component includes bottom plate, a plurality of flexible board, roof and tie-in layer, the roof with bottom plate fixed connection, and be located the bottom plate top, a plurality of the circuit board sets up the bottom plate with between the roof, the flexible board sets up between every two adjacent circuit boards, the circuit board includes circuit board body, two extension layers, a plurality of crooked wire sections and contact, and a plurality of crooked wire sections connect gradually, two extension layers set up a plurality of the both sides of crooked wire section, the circuit board sets up the outside of extension layers, joint Assembly is including placing frame and clamp plate, it still is in to place the frame setting one side of bottom plate, the clamp plate sets up place the top of frame.
2. A durable flexible circuit board capable of avoiding excessive bending as recited in claim 1,
the flexible board comprises a first board and a second board, the first board is provided with a plurality of first inserting sheets, the second board is provided with a plurality of second inserting sheets, sliding grooves are formed in the first inserting sheets, and the second inserting sheets are arranged in the sliding grooves of the first inserting sheets in a sliding mode.
3. A durable flexible circuit board capable of avoiding excessive bending as recited in claim 2, wherein,
the flexible board further comprises a clamping block, and the clamping block is fixed on the first board and is close to the second board.
4. A durable flexible circuit board capable of avoiding excessive bending as recited in claim 3,
the support assembly further comprises a heat conduction layer, and the heat conduction layer is arranged at the contact position of the flexible board and the circuit board.
5. A durable flexible circuit board capable of avoiding excessive bending as recited in claim 4, wherein,
the connector assembly further comprises two elastic sheets and two connecting layers, wherein the two connecting layers are connected with contacts of adjacent circuit boards, and the two elastic sheets are arranged on the two connecting layers and are in contact with each other.
6. A durable flexible circuit board capable of avoiding excessive bending as recited in claim 5, wherein,
the joint assembly further includes an insulating spacer disposed between the two elastomeric sheets.
7. A durable flexible circuit board capable of avoiding excessive bending as recited in claim 6, wherein,
the elastic sheet is provided with a contact sheet, and the two contact sheets are contacted with each other.
8. A durable flexible circuit board capable of avoiding excessive bending according to claim 7,
the connector assembly further comprises a buckle, the buckle is fixedly connected with the pressing plate and located on one side of the pressing plate, and a clamping groove is correspondingly formed in the placing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311362074.5A CN117377195B (en) | 2023-10-20 | 2023-10-20 | Durable flexible circuit board capable of avoiding excessive bending |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311362074.5A CN117377195B (en) | 2023-10-20 | 2023-10-20 | Durable flexible circuit board capable of avoiding excessive bending |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117377195A true CN117377195A (en) | 2024-01-09 |
| CN117377195B CN117377195B (en) | 2024-04-26 |
Family
ID=89397835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311362074.5A Active CN117377195B (en) | 2023-10-20 | 2023-10-20 | Durable flexible circuit board capable of avoiding excessive bending |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117377195B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090151988A1 (en) * | 2007-12-18 | 2009-06-18 | Samsung Electro-Mechanics Co., Ltd. | Flexible printed circuit board and method of manufacturing the same |
| JP2009200291A (en) * | 2008-02-22 | 2009-09-03 | Sumitomo Electric Ind Ltd | Connection structure, wiring board module, and electronic equipment |
| US20120099342A1 (en) * | 2010-10-25 | 2012-04-26 | Au Optronics Corporation | Complex Circuit Board and Fabrication Method Thereof |
| CN107404801A (en) * | 2017-08-11 | 2017-11-28 | 盐城华星光电技术有限公司 | A kind of multi-layer flexible circuit board |
| KR101980102B1 (en) * | 2019-01-16 | 2019-05-20 | 신덕전자(주) | Method for Manufacturing Rigid-Flexible PCB |
| CN214014623U (en) * | 2021-01-19 | 2021-08-20 | 昆山浦洋电路板有限公司 | Reinforced flexible circuit board structure |
| CN216123002U (en) * | 2021-11-03 | 2022-03-22 | 深圳市咏华宇电子有限公司 | High-temperature-resistant and anti-bending circuit board |
| CN216437591U (en) * | 2021-11-30 | 2022-05-03 | 江苏鑫迈迪电子有限公司 | Plug-in type flexible line way board |
| CN218041906U (en) * | 2022-08-09 | 2022-12-13 | 北京小米移动软件有限公司 | Flexible circuit board and electronic equipment |
| CN115696738A (en) * | 2021-07-21 | 2023-02-03 | 庆鼎精密电子（淮安）有限公司 | Flexible circuit board and manufacturing method thereof |
-
2023
- 2023-10-20 CN CN202311362074.5A patent/CN117377195B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090151988A1 (en) * | 2007-12-18 | 2009-06-18 | Samsung Electro-Mechanics Co., Ltd. | Flexible printed circuit board and method of manufacturing the same |
| JP2009200291A (en) * | 2008-02-22 | 2009-09-03 | Sumitomo Electric Ind Ltd | Connection structure, wiring board module, and electronic equipment |
| US20120099342A1 (en) * | 2010-10-25 | 2012-04-26 | Au Optronics Corporation | Complex Circuit Board and Fabrication Method Thereof |
| CN107404801A (en) * | 2017-08-11 | 2017-11-28 | 盐城华星光电技术有限公司 | A kind of multi-layer flexible circuit board |
| KR101980102B1 (en) * | 2019-01-16 | 2019-05-20 | 신덕전자(주) | Method for Manufacturing Rigid-Flexible PCB |
| CN214014623U (en) * | 2021-01-19 | 2021-08-20 | 昆山浦洋电路板有限公司 | Reinforced flexible circuit board structure |
| CN115696738A (en) * | 2021-07-21 | 2023-02-03 | 庆鼎精密电子（淮安）有限公司 | Flexible circuit board and manufacturing method thereof |
| CN216123002U (en) * | 2021-11-03 | 2022-03-22 | 深圳市咏华宇电子有限公司 | High-temperature-resistant and anti-bending circuit board |
| CN216437591U (en) * | 2021-11-30 | 2022-05-03 | 江苏鑫迈迪电子有限公司 | Plug-in type flexible line way board |
| CN218041906U (en) * | 2022-08-09 | 2022-12-13 | 北京小米移动软件有限公司 | Flexible circuit board and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117377195B (en) | 2024-04-26 |
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| SE01 | Entry into force of request for substantive examination | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A durable flexible circuit board that can avoid excessive bending Granted publication date: 20240426 Pledgee: Yangzhou Branch of Bank of Jiangsu Co.,Ltd. Pledgor: UNIFLEX TECHNOLOGY (JIANGSU) LTD. Registration number: Y2024980025738 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |