CN107230913B - Multi-angle bending ultrathin high-speed connector and assembly process thereof - Google Patents
Multi-angle bending ultrathin high-speed connector and assembly process thereof Download PDFInfo
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- CN107230913B CN107230913B CN201710629685.XA CN201710629685A CN107230913B CN 107230913 B CN107230913 B CN 107230913B CN 201710629685 A CN201710629685 A CN 201710629685A CN 107230913 B CN107230913 B CN 107230913B
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- board
- metal bracket
- fpc
- soft
- bonding pad
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
- H01R43/205—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve with a panel or printed circuit board
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention discloses a multi-angle bending ultrathin high-speed connector and an assembly process thereof, wherein the multi-angle bending ultrathin high-speed connector comprises a rigid-flex board, a metal bracket, an insulating pad, wires and a fixing sleeve; the soft and hard combined board is formed by connecting a PCB hard board and an FPC soft board, the end part of the PCB hard board is provided with a golden finger, the PCB hard board is fixedly connected with the metal support, the golden finger of the PCB hard board is exposed out of one side of the metal support for plugging, and the other side of the metal support is connected with the insulating pad; the end of the FPC flexible board is provided with a bonding pad, the FPC flexible board is bent and wound on the metal support to enable one end of the bonding pad to be consistent with the wire outgoing direction, the wire is connected with the bonding pad in a welded mode, and a fixing sleeve is arranged on the periphery of the welding position of the wire and the bonding pad in a sealed mode. The invention can be repeatedly and directly plugged with the motherboard, thereby meeting the requirements of compact low thickness of the client and the design requirements of complicated space outgoing line direction conversion.
Description
Technical Field
The invention relates to a male connector, in particular to a multi-angle bending ultrathin high-speed connector and an assembly process thereof.
Background
There are two main types of existing data signal connectors: one is hard board PCB connection, on PCB hard board simultaneous transmission 8 to 16 to 32 to high-speed differential signal and electric current and control signal, need the direct welding wire rod on hard board PCB generally, hard board PCB is convenient for plug, but the product is difficult to buckle, and the total height of product is higher, and the direct bonding wire of hard board, the wire outlet direction is single, mostly single direction or simple once buckle, can't realize complicated space conversion for client machine case mechanism design and equipment degree of difficulty increase. One is Flexible Printed Circuit (FPC) connection, although bending can be realized, the strength of the product is insufficient, and the product is difficult to assemble in a case; and the hardness is insufficient, the plugging life is low, and the repeated plugging between the golden finger and the mother board can not be realized.
The PCIe transmission line is a new generation high-speed data signal transmission line and a connector, the transmission rate can reach 12Gbit/s, and the PCIe transmission line is widely applied to the fields of servers, switches, storage equipment, workstations and the like, but the conventional PCIe transmission line has the defects in practical application. Under the condition that the server, the switch and the storage equipment are smaller and smaller nowadays, it is necessary to develop a connector which realizes outgoing lines in all directions in a very small space, is directly plugged with a board-end connector and realizes high-speed signal transmission.
Disclosure of Invention
The invention aims to provide a multi-angle bending ultrathin high-speed connector, which can realize outgoing lines in all directions in a very small space.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the multi-angle bending ultrathin high-speed connector comprises a rigid-flex board, a metal bracket, an insulating pad, wires and a fixing sleeve; the soft and hard combined board is formed by connecting a PCB hard board and an FPC soft board, the end part of the PCB hard board is provided with a golden finger, the PCB hard board is fixedly connected with a metal bracket, the golden finger of the PCB hard board is exposed out of one side of the metal bracket for plugging, and the other side of the metal bracket is connected with an insulating pad; the end part of the FPC flexible board is provided with a bonding pad, one end of the bonding pad, which is bent and wound on the metal bracket, is consistent with the wire outgoing direction, the wire is connected with the bonding pad in a welded mode, and a fixing sleeve is arranged on the periphery of the welding part of the wire and the bonding pad in a sealed mode.
Preferably, the metal bracket is provided with a groove for accommodating the FPC flexible board.
Wherein, the wire rod be PCIe transmission cable.
Preferably, the wire outlet end of the metal support is provided with a clamping hook, the FPC soft board is bent into a two-layer structure at the end of the bonding pad, the inner end of the two-layer structure is wound on the metal support and positioned through the clamping hook, and the outer end of the two-layer structure extends out of the metal support to be connected with the PCIe transmission cable.
Further, two groups of mounting holes are formed in the metal support, and the PCB hard board is mounted on the mounting holes of the metal support through two groups of fasteners.
The invention also discloses an assembling process of the multi-angle bending ultrathin high-speed connector, which comprises the following steps of:
s1, fixing a soft and hard combined plate, and fixedly mounting a PCB hard plate of the soft and hard combined plate on a metal bracket, so that a golden finger of the PCB hard plate is exposed out of one side of the metal bracket for plugging.
S2, sticking double-sided adhesive tape, designing a bending route of the FPC flexible board, and sticking double-sided adhesive tape on the metal bracket at the position of the route where the FPC flexible board passes.
S3, bending the flexible board, bending and winding the FPC flexible board of the soft and hard combined board on the metal support, tightly adhering the FPC flexible board to double faced adhesive tape on the metal support, and enabling the bonding pad end of the FPC flexible board to be consistent with the wire outgoing direction through bending for a plurality of times.
S4, welding the wires, and welding and connecting the wires with the bonding pads of the FPC flexible board.
S5, performing low-pressure injection molding, namely performing low-pressure injection molding on the inner mold at the whole circle position of the welding spot in the step S4 to form a sealed fixing sleeve.
The method comprises the following steps that a groove for accommodating an FPC (flexible printed circuit) is formed in a metal support, and in step S2, double faced adhesive tape is arranged on the surface of the groove of the metal support; and S3, bending and winding the FPC soft board of the soft and hard combined board, embedding the FPC soft board into a groove of the metal bracket, and tightly adhering the FPC soft board with the double-sided adhesive tape.
After the technical scheme is adopted, the invention has the following effects:
1. the invention adopts the integrated design of the hard and soft boards, so that the total thickness of the product is smaller than the height of the traditional hard board PCB, thereby meeting the ultra-low space design requirement of the client. Through bending the FPC flexible board for many times, the bending radius is small, flexible product outgoing line directions can be realized, and the design requirement of complicated space outgoing line direction conversion of customers is met.
2. The PCB hard board realizes the plugging and butting functions and can be plugged and unplugged with the motherboard repeatedly and directly; the FPC flexible board can be mechanically bent for more than 200 times, the thickness of the flexible board is less than 0.5mm, wires are welded on a flexible board bonding pad, the outgoing thickness of a product after low-pressure injection molding of welding spots is only 3.5mm to the maximum, and the product design requirement of compact low thickness of a client is met.
3. According to the invention, the FPC flexible board is wound on the metal bracket, and the metal bracket provides good structural strength for the FPC flexible board, so that high reliability of mechanical assembly is realized.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is an exploded view of fig. 1.
Fig. 3 is a schematic front view of the invention when plugged.
Fig. 4 is a schematic structural diagram of the rigid-flex board before bending.
Fig. 5 is a schematic structural view of a metal bracket.
Fig. 6 is a schematic diagram of an assembly process of bending the FPC flexible board and the bonding wires.
1: rigid-flex board, 2: metal support, 21: mounting holes, 22: groove, 23: hook, 3: insulating pad, 4: wire rod, 5: fixing sleeve, 6: PCB stiffener, 61: golden finger, 7: FPC flexible board, 71: two-layer structure, 72: bonding pad, 8: a fastener.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent.
As shown in FIG. 1, the invention discloses a multi-angle bending ultrathin high-speed connector, which comprises a rigid-flex board 1, a metal bracket 2, an insulating pad 3, wires 4 and a fixing sleeve 5. The wire 4 in this embodiment is a PCIe transmission cable.
As shown in fig. 4, the flexible-rigid board 1 is formed by connecting a PCB rigid board 6 and an FPC flexible board 7. The end of the PCB hard board 6 is provided with a golden finger 61. The end parts of the FPC flexible board 7 are provided with bonding pads 72. The pads 72 may be gold plated pads. The FPC flexible board 7 is bent three times to form a bent shape of fig. 2: bending is performed at A, B, C in the drawing, and the third bending, namely, C, bends the FPC flexible board 7 into a two-layer structure 71 at the end of the pad 72. As shown in fig. 5, two groups of mounting holes 21 are formed in the metal bracket 2, and a groove 22 for accommodating the FPC flexible board 7 is formed in the surface of the metal bracket 2. The metal bracket 2 is provided with a clamping hook 23 at the wire outlet end of the wire 4.
Referring to fig. 2, the PCB hard board 6 is fixed on two groups of mounting holes 21 of the metal bracket 2 by the fastener 8, the golden finger 61 of the PCB hard board 6 is exposed to the outside of one side of the metal bracket 2 for plugging, the FPC soft board 7 is wound on the metal bracket 2 by three times of bending, the inner end of the two-layer structure 71 is wound on the metal bracket 2 and positioned by the hook 23, and the outer end of the two-layer structure 71 extends out of the metal bracket 2 to be connected with a PCIe transmission cable. In order to reduce the overall thickness, PCIe transmission cables are soldered directly to pads 72 of FPC film 7. The periphery of the welding part of the wire 4 and the bonding pad 72 is provided with a fixed sleeve 5 in a sealing way. The other side of the metal bracket 2 is connected with an insulating pad 3.
The connector of the invention comprises the following assembly process steps in detail:
s1, fixing the soft and hard combined plate 1.
The PCB hard board 6 of the soft and hard combined board 1 is fixedly arranged on the metal bracket 2, so that the golden finger 61 of the PCB hard board 6 is exposed out of one side of the metal bracket 2 for plugging.
S2, sticking double faced adhesive tape.
The bending route of the FPC flexible board 7 is designed, and double-sided adhesive tape is stuck on the surface of the groove 22 of the metal bracket 2 (namely, the route position where the FPC flexible board 7 passes).
S3, bending the FPC flexible board 7.
As shown in fig. 6, the FPC flexible board 7 of the rigid-flex board 1 is bent and wound and embedded in the groove 22 of the metal bracket 2 to be tightly adhered to the double-sided tape. The end of the bonding pad 72 of the FPC board 7 is consistent with the wire outgoing direction through a plurality of times of bending.
S4, welding wires 4.
The wires 4 are directly soldered to the pads 72 of the FPC board 7.
S5, low-pressure injection molding.
And (4) performing low-pressure injection molding on the inner mold at the welding spot whole circle position in the step (S4) to form a sealed fixing sleeve 5. The welding spots are subjected to low-pressure injection molding, so that the welding spots can be protected from falling off, and the fixed connection effect is achieved.
After the installation is completed, as shown in fig. 3, the total thickness of the connector is H, in this embodiment, H is 13.3mm, the thickness of the fpc flexible board 7 is less than 0.5mm, the outgoing thickness of the product after the solder joint is subjected to low-pressure injection molding is L, in this embodiment, L is 3.5mm, the thickness of the connector is greatly reduced, and the ultra-low space design requirement of the client is realized.
The flexible printed circuit board can be suitable for being connected with different signal wires according to the needs, the bending angle and the bending times of the FPC flexible board in the flexible printed circuit board can be adjusted according to the wire outgoing direction of the wires, the conversion requirement of the wire outgoing direction in a complex space can be met, and the flexible printed circuit board is ultrathin in overall structure and suitable for popularization and application.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.
Claims (4)
1. Multi-angle bending ultrathin high-speed connector is characterized in that: comprises a soft and hard combined plate, a metal bracket, an insulating pad, wires and a fixing sleeve; the soft and hard combined board is formed by connecting a PCB hard board and an FPC soft board, the end part of the PCB hard board is provided with a golden finger, the PCB hard board is fixedly connected with a metal bracket, the golden finger of the PCB hard board is exposed out of one side of the metal bracket for plugging, and the other side of the metal bracket is connected with an insulating pad; the end part of the FPC flexible board is provided with a bonding pad, the FPC flexible board is bent and wound on the metal bracket to enable one end of the bonding pad to be consistent with the wire outgoing direction, the wire is connected with the bonding pad in a welding way, and a fixing sleeve is arranged at the periphery of the welding part of the wire and the bonding pad in a sealing way;
the metal bracket is provided with a groove for accommodating the FPC soft board; the wire is a PCIe transmission cable; the wire outlet end of the metal support is provided with a clamping hook, the FPC soft board is bent into a two-layer structure at the end part of the bonding pad, the inner end part of the two-layer structure is wound on the metal support and positioned through the clamping hook, and the outer end part of the two-layer structure extends out of the metal support to be connected with a PCIe transmission cable.
2. The multi-angle bending ultra-thin high-speed connector of claim 1, wherein: the PCB hard board is installed on the mounting holes of the metal bracket through two groups of fasteners.
3. An assembling process of the multi-angle bending ultrathin high-speed connector is characterized in that the multi-angle bending ultrathin high-speed connector as claimed in claim 1 or 2 is formed, and the assembling process comprises the following steps:
s1, fixing a soft and hard combined plate, and fixedly mounting a PCB hard plate of the soft and hard combined plate on a metal bracket, so that a golden finger of the PCB hard plate is exposed out of one side of the metal bracket for plugging;
s2, sticking double-sided adhesive tape, designing a bending route of the FPC flexible board, and sticking double-sided adhesive tape on the metal bracket at the position of the route where the FPC flexible board passes;
s3, bending the flexible board, bending and winding the FPC flexible board of the soft and hard combined board on the metal bracket, tightly adhering the FPC flexible board to double-sided adhesive tape on the metal bracket, and enabling the bonding pad end part of the FPC flexible board to be consistent with the wire outgoing direction through bending for a plurality of times;
s4, welding wires, and welding the wires with a bonding pad of the FPC soft board;
s5, performing low-pressure injection molding, namely performing low-pressure injection molding on the inner mold at the whole circle position of the welding spot in the step S4 to form a sealed fixing sleeve.
4. The multi-angle bending ultra-thin high-speed connector assembly process according to claim 3, wherein: the metal bracket is provided with a groove for accommodating the FPC soft board, and in the step S2, the double faced adhesive tape is arranged on the surface of the groove of the metal bracket; and S3, bending and winding the FPC soft board of the soft and hard combined board, embedding the FPC soft board into a groove of the metal bracket, and tightly adhering the FPC soft board with the double-sided adhesive tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710629685.XA CN107230913B (en) | 2017-07-28 | 2017-07-28 | Multi-angle bending ultrathin high-speed connector and assembly process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710629685.XA CN107230913B (en) | 2017-07-28 | 2017-07-28 | Multi-angle bending ultrathin high-speed connector and assembly process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107230913A CN107230913A (en) | 2017-10-03 |
| CN107230913B true CN107230913B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710629685.XA Active CN107230913B (en) | 2017-07-28 | 2017-07-28 | Multi-angle bending ultrathin high-speed connector and assembly process thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101511147A (en) * | 2008-04-23 | 2009-08-19 | 深圳市精诚达电路有限公司 | Physical design for four-layer soft and hard combined board |
| CN203884078U (en) * | 2014-06-18 | 2014-10-15 | 广东欧珀移动通信有限公司 | Structure combining flexible board with hard board |
| CN204179269U (en) * | 2014-08-13 | 2015-02-25 | 苏州伟聚电子科技有限公司 | Ultra-thin money easily installs FPC and LVDS electric connector |
| CN105142337A (en) * | 2015-09-10 | 2015-12-09 | 深圳华麟电路技术有限公司 | Inner layer bonding pad later-windowed rigid-flexible printed circuit board and manufacturing method thereof |
| CN206922121U (en) * | 2017-07-28 | 2018-01-23 | 安费诺电子装配（厦门）有限公司 | Multi-angle bends ultrathin high speed connector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6398318B2 (en) * | 2014-05-21 | 2018-10-03 | 住友電気工業株式会社 | Optical transceiver |
-
2017
- 2017-07-28 CN CN201710629685.XA patent/CN107230913B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101511147A (en) * | 2008-04-23 | 2009-08-19 | 深圳市精诚达电路有限公司 | Physical design for four-layer soft and hard combined board |
| CN203884078U (en) * | 2014-06-18 | 2014-10-15 | 广东欧珀移动通信有限公司 | Structure combining flexible board with hard board |
| CN204179269U (en) * | 2014-08-13 | 2015-02-25 | 苏州伟聚电子科技有限公司 | Ultra-thin money easily installs FPC and LVDS electric connector |
| CN105142337A (en) * | 2015-09-10 | 2015-12-09 | 深圳华麟电路技术有限公司 | Inner layer bonding pad later-windowed rigid-flexible printed circuit board and manufacturing method thereof |
| CN206922121U (en) * | 2017-07-28 | 2018-01-23 | 安费诺电子装配（厦门）有限公司 | Multi-angle bends ultrathin high speed connector |
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| Publication number | Publication date |
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| CN107230913A (en) | 2017-10-03 |
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