CN105611715A - Flexible printed circuit and mobile terminal - Google Patents
Flexible printed circuit and mobile terminal Download PDFInfo
- Publication number
- CN105611715A CN105611715A CN201511030101.4A CN201511030101A CN105611715A CN 105611715 A CN105611715 A CN 105611715A CN 201511030101 A CN201511030101 A CN 201511030101A CN 105611715 A CN105611715 A CN 105611715A
- Authority
- CN
- China
- Prior art keywords
- connector
- connecting portion
- flexible pcb
- main body
- back side
- 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.)
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Classifications
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- 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
Abstract
The invention discloses a flexible printed circuit and a mobile terminal. The flexile printed circuit comprises a main body and a connector, wherein a connection part and a bent part are arranged at one end of the main body, the bent part, the connection part and the main body are integrated, the bent part is U-shaped, one end of the bent part is welded with the connector, the connection part is connected between the other end of the bent part and the main body, the front surface of the connector is used for being connected with a connection seat, and the back surface of the connector is fixedly connected with the connection part. The mobile terminal is provided with the above flexible printed circuit. In the flexible printed circuit, the bent part is welded with the connector, the main body and the connection part are arranged on the back surface of the connector, the connection part is fixedly connected with the back surface of the connector, a part where the connection part and the main body are connected is bent when the main body is bent relative to the connector, no influence on a part where the bent part and the connector are welded is generated, the flexible printed circuit is difficult to be broken, and thus, the connection reliability of the flexible printed circuit is guaranteed.
Description
Technical field
The present invention relates to flexible PCB field, relate in particular to a kind of flexible PCB and mobile terminal.
Background technology
Flexible PCB (FPC, FlexiblePrintedCircuit) is conventional being electrically connected in all kinds of mobile terminalsConnect device, the welding of its one end and connector, connector can grafting corresponding to the Connection Block on mainboard, with realityNow be electrically connected. In prior art, flexible PCB assembling or maintenance process in, main body and connector itBetween can carry out bending, after bending repeatedly, the weld of main body and connector is easily loosening, causes going betweenFracture, thus connection reliability affected.
Summary of the invention
The object of the present invention is to provide a kind of flexible PCB and mobile terminal, the main body of flexible PCB withEasy fracture not between connector, ensures connection reliability.
In order to solve the problems of the technologies described above, on the one hand, the invention provides a kind of flexible PCB, comprise masterBody and connector, one end of described main body is provided with connecting portion and kink, described kink, described connecting portionBe formed in one with described main body; Described kink is U-shaped, its one end and the welding of described connector; DescribedConnecting portion is connected between the other end and described main body of described kink; The front of described connector forConnection Block is connected, and the back side of described connector is fixedly connected with described connecting portion.
Wherein, described flexible PCB also comprises reinforcement steel plate; Described reinforcement steel plate is fixed on described connectorThe back side and described connecting portion between.
Wherein, the equal bending in the two ends of described reinforcement steel plate is formed with snap fit, the both sides of the edge place of described connecting portionBe connected to respectively in two described snap fits.
Wherein, described flexible PCB also comprises reinforcement steel plate; Described connecting portion is fixed on described reinforcement steel plateAnd between the back side of described connector.
Wherein, the back side of described connector is provided with joint pin, on described connecting portion, is provided with through hole, described inJoint pin wears described through hole, and one end hot melt away from described connector on described joint pin is formed with limiting section,Described connecting portion is spacing between described connector and limiting section.
Wherein, described flexible PCB also comprises cushion collar, and described cushion collar is set in described connecting portion and instituteState the junction of main body, described cushion collar is fixedly connected with described connector; Described cushion collar is less than by hardnessDescribed main body flexible material is made.
Wherein, the arranged outside of described adapter sleeve has two engaging lugs, and two described engaging lugs are respectively with describedThe two ends of connector are fixedly connected with.
Wherein, described engaging lug is ring-type, and it is relative that two described engaging lugs are set in respectively described connectorTwo ends place.
Wherein, described connecting portion is adhered on the back side of described connection.
On the other hand, the invention provides a kind of mobile terminal, described mobile terminal has aforesaid flexible electricalRoad plate.
Flexible PCB provided by the invention and mobile terminal, utilize kink and connector welding, and makeMain body and connecting portion are in the back side place of connector, and connecting portion is fixedly connected with the back side of connector, in main bodyWhen connector bends relatively, for the junction of connecting portion and main body bends, and can be to kink and companyThe weld of joint impacts, and makes its not easy fracture, thereby ensures connection reliability.
Brief description of the drawings
In order to be illustrated more clearly in technical scheme of the present invention, below by required use in embodimentAccompanying drawing is briefly described, and apparently, the accompanying drawing in the following describes is only enforcements more of the present inventionMode, for those of ordinary skill in the art, not paying under the prerequisite of creative work, all rightObtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the side structure schematic diagram of the flexible PCB that provides of first embodiment of the invention;
Fig. 2 is the perspective view of flexible PCB in Fig. 1;
Fig. 3 is the perspective view of the flexible PCB that provides of second embodiment of the invention;
Fig. 4 is the perspective view of the flexible PCB that provides of third embodiment of the invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is enteredRow is described clearly and completely.
The embodiment of the present invention provides a kind of mobile terminal, and this mobile terminal can be any terminal device, exampleAs: panel computer, mobile phone, electronic reader, remote controller, personal computer (PersonalComputer,PC), notebook computer, mobile unit, Web TV, wearable device etc. This mobile terminal comprises mainboardAnd electronic component, electronic component can be camera, button etc. Between electronic component and mainboard, pass through flexibleCircuit board is connected.
Refer to Fig. 1 and Fig. 2, the flexible PCB 100 that first embodiment of the invention provides, comprises main body11 and be arranged on the connector 12 of described main body 11 one end, one end of main body 11 is provided with connecting portion 111 and curvedFolding part 112; Main body 11, connecting portion 111 and kink 112 are formed in one, to improve the company between threeConnecting structure intensity. Kink 112 is U-shaped, and its one end and connector 12 weld, and connecting portion 111 is connected toBetween the other end of kink 112 and main body 11; The front of connector 12, for being connected with Connection Block, connects12 the back side is fixedly connected with connecting portion 111. Utilize kink 112 and connector 12 to weld, and makeMain body 11 and connecting portion 111 are positioned at the back side place of connector 12, the back side of connecting portion 111 and connector 12Being fixedly connected with, in the time that the relative connector 12 of main body 11 bends, is connecting portion 111 and the junction of main body 11Bend, and can not impact kink 112 and the weld of connector 12, thereby ensure main body11 reliabilities that are connected with connector 12.
Further, flexible PCB 100 also comprises reinforcement steel plate 13, and reinforcement steel plate 13 is fixed on connector 12The back side and connecting portion 111 between. Because kink 112 is soldered to the back side of connector 12, utilize reinforcementSteel disc can improve the bonding strength of kink 112 and connector 12 welds, can improve connector simultaneouslyThe structural strength at 12 places. In processing and making process, first kink 112 and connector 12 are welded, then willReinforcement steel plate 13 is fixed to the back side of connector 12, finally utilizes double faced adhesive tape or glue by bonding connecting portion 111Be fixed on reinforcement steel plate 13.
Herein, in other embodiments, can be also that connecting portion 111 is fixed on reinforcement steel plate 13 and connectsBetween the back side of joint 12. First connecting portion 111 is fixedly connected with the back side of connector 12, then by reinforcement steelPlate 13 is fixed on connecting portion 111. Or, then in another kind of embodiment, reinforcement steel also can be setPlate 13, connecting portion 111 can directly be fixedly connected on the back side of connector 12 by the mode such as bonding, entersOne step, the back side of connector 12 can be provided with joint pin, is provided with through hole, joint pin on connecting portion 111Wear through hole, one end hot melt away from connector 12 on joint pin is formed with limiting section, and connecting portion 111 is spacingBetween connector 12 and limiting section, the limiting section of joint pin is realized between connecting portion 111 and connector 12Be fixedly connected with, to make the two firm and reliable connection, in the time being provided with reinforcement steel plate 13, reinforcement steel plate 13On via hole also also can be set, joint pin is worn after via hole and through hole and forms limiting section at hot melt.
As shown in Figure 3, be the flexible PCB 200 that second embodiment of the invention provides, flexible PCB 200Comprise main body 21 and connector 22, one end of main body 21 is provided with connecting portion 211 and kink 212, main body 21,Structure and first embodiment of connecting portion 211, kink 212 and connector 22 are roughly the same, herein notRepeat again.
In the present embodiment, flexible PCB 200 also comprises cushion collar 23, and cushion collar 23 is set in connecting portion211 with the junction of main body 21, cushion collar 23 is fixedly connected with connector 22, can make connecting portion 211Be connected to the back side of connector 22 by cushion collar 23. Cushion collar 23 can be little by the hardness such as silica gel or rubberFlexible material in main body 21 is made. Cushion collar 23 is positioned at the junction of main body 21 and connecting portion 211, canSo that main body 21 and the junction of connecting portion 211 are formed to buffering, thus being connected of main body 21 and connecting portion 211Locate repeatedly to fracture equivalent damage, ensure not easy fracture of this junction.
The arranged outside of cushion collar 23 have 231, two engaging lugs 231 of two engaging lugs respectively with connector 22Two ends be fixedly connected with. Utilize two engaging lugs 231, can facilitate between cushion collar 23 and connector 22Be fixedly connected with. Further, engaging lug 231 is ring-type, and two engaging lugs 231 are set in respectively connector 22Relative two ends place, can be fixed cushion collar 23 to be connected with connector 22 easily. Cushion collar 23And between main body 21, connecting portion 211, can fill glue, to improve bonding strength.
Herein, in other embodiments, engaging lug 231 also can be directly fixed by screw or the mode such as bondingOn connector 22, or, on connector 22, joint pin being set, joint pin wears engaging lug 231, connectsThe end hot melt that connects post forms limiting section, thereby engaging lug 231 is fixedly connected with connector 22. Or noEngaging lug 231 is set, directly cushion collar 23 is fixed and is connected with connector 22.
As shown in Figure 4, in the flexible PCB 300 providing in third embodiment of the invention, flexible PCB300 comprise main body 31, connector 32 and reinforcement steel plate 33, and one end of main body 31 is provided with connecting portion 311 and curvedFolding part 312, the structure of main body 31, connecting portion 311, kink 312 and connector 32 and the first embodimentRoughly the same, repeat no more herein.
Reinforcement steel plate 33 is fixedly connected between the back side and connecting portion of connector 32, to improve kink 312With the structural strength at connector 32 pad places, the equal bending in two ends of reinforcement steel plate 33 is formed with snap fit 331,The both sides of the edge place of connecting portion 311 is connected to respectively in two snap fits 331, makes connecting portion 311 by reinforcementThe snap fit 331 of steel plate 33 is connected with connector 32. Utilize the flexibility of connecting portion 311, can be real easilyAssembly connection between existing connecting portion 311 and snap fit 331, thus be convenient to connecting portion 311 and connector 32 itBetween connection.
Be more than the preferred embodiment of the present invention, it should be pointed out that the ordinary skill people for the artMember, under the premise without departing from the principles of the invention, can also make some improvements and modifications, and these changeEnter and retouch and be also considered as protection scope of the present invention.
Claims (10)
1. a flexible PCB, comprises main body and connector, it is characterized in that, establish one end of described main bodyHave connecting portion and kink, described kink, described connecting portion and described main body are formed in one; Described curvedFolding part is U-shaped, its one end and the welding of described connector; Described connecting portion is connected to another of described kinkBetween end and described main body; The front of described connector is used for being connected with Connection Block, the back side of described connectorBe fixedly connected with described connecting portion.
2. flexible PCB according to claim 1, is characterized in that, described flexible PCB also wrapsDraw together reinforcement steel plate; Described reinforcement steel plate is fixed between the back side and described connecting portion of described connector.
3. flexible PCB according to claim 2, is characterized in that, the two ends of described reinforcement steel plateAll bending is formed with snap fit, and the both sides of the edge place of described connecting portion is connected to respectively in two described snap fits.
4. flexible PCB according to claim 1, is characterized in that, described flexible PCB also wrapsDraw together reinforcement steel plate; Described connecting portion is fixed between described reinforcement steel plate and the back side of described connector.
5. flexible PCB according to claim 1, is characterized in that, establish at the back side of described connectorBe equipped with joint pin, on described connecting portion, be provided with through hole, described joint pin wears described through hole, described connectionOne end hot melt away from described connector on post is formed with limiting section, and described connecting portion is spacing at described connectorAnd between limiting section.
6. flexible PCB according to claim 1, is characterized in that, described flexible PCB also wrapsDraw together cushion collar, described cushion collar is set in the junction of described connecting portion and described main body, described cushion collar withDescribed connector is fixedly connected with; Described cushion collar is less than described main body flexible material by hardness and makes.
7. flexible PCB according to claim 6, is characterized in that, establish in the outside of described adapter sleeveBe equipped with two engaging lugs, two described engaging lugs are fixedly connected with the two ends of described connector respectively.
8. flexible PCB according to claim 7, is characterized in that, described engaging lug is ring-type,Two described engaging lugs are set in respectively the two ends place that described connector is relative.
9. flexible PCB according to claim 1, is characterized in that, described connecting portion is adhered to instituteState on the back side of connection.
10. a mobile terminal, is characterized in that, described mobile terminal has claim 1-9 any one instituteThe flexible PCB of stating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511030101.4A CN105611715B (en) | 2015-12-29 | 2015-12-29 | Flexible PCB and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511030101.4A CN105611715B (en) | 2015-12-29 | 2015-12-29 | Flexible PCB and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105611715A true CN105611715A (en) | 2016-05-25 |
| CN105611715B CN105611715B (en) | 2018-01-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511030101.4A Active CN105611715B (en) | 2015-12-29 | 2015-12-29 | Flexible PCB and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105611715B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107390924A (en) * | 2017-07-13 | 2017-11-24 | 深圳市志凌伟业技术股份有限公司 | One kind reinforces touch panel component |
| CN107454738A (en) * | 2017-09-06 | 2017-12-08 | 广东欧珀移动通信有限公司 | A kind of electronic equipment and its flexible circuit board assembly |
| CN110970674A (en) * | 2019-11-12 | 2020-04-07 | 深圳欣旺达智能科技有限公司 | Lithium battery protection board and lithium battery |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1308323A (en) * | 1999-12-21 | 2001-08-15 | 船井电机株式会社 | Optical detector with HF overlapping circuit |
| CN201585201U (en) * | 2010-01-28 | 2010-09-15 | 华为终端有限公司 | Electronic product with data connector and flexible printed circuit board |
| CN202616523U (en) * | 2012-04-06 | 2012-12-19 | 江西合力泰微电子有限公司 | FPC inserting joint |
-
2015
- 2015-12-29 CN CN201511030101.4A patent/CN105611715B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1308323A (en) * | 1999-12-21 | 2001-08-15 | 船井电机株式会社 | Optical detector with HF overlapping circuit |
| CN201585201U (en) * | 2010-01-28 | 2010-09-15 | 华为终端有限公司 | Electronic product with data connector and flexible printed circuit board |
| CN202616523U (en) * | 2012-04-06 | 2012-12-19 | 江西合力泰微电子有限公司 | FPC inserting joint |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107390924A (en) * | 2017-07-13 | 2017-11-24 | 深圳市志凌伟业技术股份有限公司 | One kind reinforces touch panel component |
| CN107454738A (en) * | 2017-09-06 | 2017-12-08 | 广东欧珀移动通信有限公司 | A kind of electronic equipment and its flexible circuit board assembly |
| CN110970674A (en) * | 2019-11-12 | 2020-04-07 | 深圳欣旺达智能科技有限公司 | Lithium battery protection board and lithium battery |
| CN110970674B (en) * | 2019-11-12 | 2021-05-25 | 深圳欣旺达智能科技有限公司 | Lithium battery protection board and lithium battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105611715B (en) | 2018-01-23 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |