CN204157156U - A kind of circuit-board connecting structure - Google Patents
A kind of circuit-board connecting structure Download PDFInfo
- Publication number
- CN204157156U CN204157156U CN201420487965.3U CN201420487965U CN204157156U CN 204157156 U CN204157156 U CN 204157156U CN 201420487965 U CN201420487965 U CN 201420487965U CN 204157156 U CN204157156 U CN 204157156U
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- CN
- China
- Prior art keywords
- double
- pipe
- silica gel
- layer
- coating
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- Expired - Fee Related
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Abstract
Circuit-board connecting structure, comprise flexible PCB, flexible PCB is bending from center, be formed in left end smooth connection, the two-layer double-decker be parallel to each other up and down, described double-deck inner surface is for laying circuit element and etching connection line, double-deck outer surface coating anti-static coating, at the right-hand member of double-decker outer surface and inner surface, silicon-coating glue-line, form the silica gel sealing ring around flexible PCB right-hand member, described double-deck inner surface coating adhesive membrane layer, the layer of silica gel of adhesive membrane layer and double-deck inner surface right-hand member is adjacent.The surface of flexible circuit board is divided into several region, devises special barrier coat for contact feature respectively, while making circuit connectivity can obtain maximum guarantee, avoid the aging defect brought of conventional sealing material, avoid accumulation of static electricity simultaneously.
Description
Technical field
The utility model relates to a kind of syndeton, particularly relates to a kind of circuit-board connecting structure.
Background technology
At present, mobile phone stability requirement is more and more higher, peripheral interface device laying structure and the circuit dense degree of interior of mobile phone complexity must need to utilize flexible circuit board to be connected with core mainboard, but in both junctions, due to encapsulant aging can cause the impedance dielectric such as steam, liquid gradually can from encapsulant as the gap between silica gel enters into the core of mobile phone, electrostatic screen is caused to lose efficacy, impedance dielectric is once contact with power component and likely produce electrostatic high-pressure and discharge, mobile phone is broken down, and serious meeting spontaneous combustion is even exploded.
Utility model content
The purpose of this utility model is to provide a kind of circuit-board connecting structure, solves flexible circuit board and is connected with core mainboard the technical problem sealed.
Circuit-board connecting structure of the present utility model, comprise flexible PCB, flexible PCB is bending from center, be formed in left end smooth connection, the two-layer double-decker be parallel to each other up and down, described double-deck inner surface is for laying circuit element and etching connection line, double-deck outer surface coating anti-static coating, at the right-hand member of double-decker outer surface and inner surface, silicon-coating glue-line, form the silica gel sealing ring around flexible PCB right-hand member, described double-deck inner surface coating adhesive membrane layer, the layer of silica gel of adhesive membrane layer and double-deck inner surface right-hand member is adjacent.
Described anti-static coating adopts antistatic burning system coating, and adhesive membrane layer adopts bidirectional stretching polypropylene film; The thickness of double-decker inner surface layer of silica gel is greater than the thickness of double-decker outer surface layer of silica gel.
Described adhesive membrane layer comprises equally distributed through hole, each through hole covers a silica gel projection, silica gel projection comprises the first through pipe and the second pipe, the bottom of the first pipe is fixed on the hole wall of through hole, second pipe is placed in the cavity of the first pipe, first pipe and the second pipe coaxial line, the outer wall of the second pipe is connected by rectangular connecting panels with between the inwall of the first pipe, the long limit of rectangular connecting panels and the first pipe axis being parallel, rectangular connecting panels is uniformly distributed along the first circular tube circumference.
In circuit-board connecting structure of the present utility model, the surface of flexible circuit board is divided into several region, special barrier coat is devised respectively for contact feature, while making circuit connectivity can obtain maximum guarantee, avoid the aging defect brought of conventional sealing material, avoid accumulation of static electricity simultaneously.
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
Accompanying drawing explanation
Fig. 1 is the main pseudosection of the utility model circuit-board connecting structure;
Fig. 2 is the A-A direction partial schematic diagram of the utility model circuit-board connecting structure.
Embodiment
As shown in Figure 1, the present embodiment comprises flexible PCB 01, flexible PCB 01 is bending from center, be formed in left end smooth connection, the two-layer double-decker (to the right the U-shaped structure of opening) be parallel to each other up and down, double-deck inner surface is for laying circuit element and etching connection line, double-deck outer surface coating anti-static coating 02, at the right-hand member of double-decker outer surface and inner surface, silicon-coating glue-line 03, form the silica gel sealing ring around flexible PCB 01 right-hand member, double-deck inner surface coating adhesive membrane layer 04, adhesive membrane layer 04 is adjacent with the layer of silica gel 03 of double-deck inner surface right-hand member, anti-static coating 02 adopts antistatic burning system coating, and adhesive membrane layer 04 adopts bidirectional stretching polypropylene film, the thickness of double-decker inner surface layer of silica gel 03 is greater than the thickness of double-decker outer surface layer of silica gel 03, make flexible PCB 01 when being partly coated on cell phone mainboard two sides, double-decker inner surface can be maintained and seem space, not injure the circuit element on flexible PCB 01, directly the pin of circuit element is fixed on through adhesive membrane layer 04 and connection line can ensures circuit can not make moist short circuit.
As shown in Figure 2, adhesive membrane layer 04 comprises equally distributed through hole, each through hole covers a silica gel projection 05, silica gel projection 05 comprises the first through pipe and the second pipe, the bottom of the first pipe is fixed on the hole wall of through hole, second pipe is placed in the cavity of the first pipe, first pipe and the second pipe coaxial line, the outer wall of the second pipe is connected by rectangular connecting panels with between the inwall of the first pipe, the long limit of rectangular connecting panels and the first pipe axis being parallel, rectangular connecting panels is uniformly distributed along the first circular tube circumference;
Silica gel projection 05 is as the cable tray between flexible PCB 01 and cell phone mainboard, utilize hydrophily and the covering property of silica gel projection 05, make cabling between circuit board that steam can not be caused directly to infiltrate along adhesive membrane layer 04 comprising equally distributed through hole, adhesive membrane layer 04 can ensure that the connection line etched does not affect by steam or moisture.Binding silica gel sealing ring, be conducive to compressing with cell phone mainboard edge being connected, enhance sealing effectiveness, adhesive membrane enhances the stability of connection, and anti-static coating avoids the generation of electrostatic, enhances the stability of mobile phone, extends mobile phone useful life.
Above-described embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection range that the utility model claims determine.
Claims (3)
1. a circuit-board connecting structure, comprise flexible PCB (01), flexible PCB (01) is bending from center, be formed in left end smooth connection, the two-layer double-decker be parallel to each other up and down, it is characterized in that: described double-deck inner surface is for laying circuit element and etching connection line, double-deck outer surface coating anti-static coating (02), at the right-hand member of double-decker outer surface and inner surface, silicon-coating glue-line (03), form the silica gel sealing ring around flexible PCB (01) right-hand member, described double-deck inner surface coating adhesive membrane layer (04), adhesive membrane layer (04) is adjacent with the layer of silica gel (03) of double-deck inner surface right-hand member.
2. circuit-board connecting structure according to claim 1, is characterized in that: described anti-static coating (02) adopts antistatic burning system coating, and adhesive membrane layer (04) adopts bidirectional stretching polypropylene film; The thickness of double-decker inner surface layer of silica gel (03) is greater than the thickness of double-decker outer surface layer of silica gel (03).
3. circuit-board connecting structure according to claim 2, it is characterized in that: described adhesive membrane layer (04) comprises equally distributed through hole, each through hole covers a silica gel projection (05), silica gel projection (05) comprises the first through pipe and the second pipe, the bottom of the first pipe is fixed on the hole wall of through hole, second pipe is placed in the cavity of the first pipe, first pipe and the second pipe coaxial line, the outer wall of the second pipe is connected by rectangular connecting panels with between the inwall of the first pipe, the long limit of rectangular connecting panels and the first pipe axis being parallel, rectangular connecting panels is uniformly distributed along the first circular tube circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420487965.3U CN204157156U (en) | 2014-08-27 | 2014-08-27 | A kind of circuit-board connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420487965.3U CN204157156U (en) | 2014-08-27 | 2014-08-27 | A kind of circuit-board connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204157156U true CN204157156U (en) | 2015-02-11 |
Family
ID=52515241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420487965.3U Expired - Fee Related CN204157156U (en) | 2014-08-27 | 2014-08-27 | A kind of circuit-board connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204157156U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106793451A (en) * | 2016-11-15 | 2017-05-31 | 智恩电子(大亚湾)有限公司 | A kind of active anti-breakdown circuit board |
| CN107645837A (en) * | 2017-09-15 | 2018-01-30 | 赣州明高科技股份有限公司 | A kind of FPC flexible PCBs antistatic surface handling process |
-
2014
- 2014-08-27 CN CN201420487965.3U patent/CN204157156U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106793451A (en) * | 2016-11-15 | 2017-05-31 | 智恩电子(大亚湾)有限公司 | A kind of active anti-breakdown circuit board |
| CN107645837A (en) * | 2017-09-15 | 2018-01-30 | 赣州明高科技股份有限公司 | A kind of FPC flexible PCBs antistatic surface handling process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20210827 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |