CN209627828U - Flexible circuit board - Google Patents

Abstract

The utility model discloses a kind of flexible circuit board, the flexible circuit board includes flexible wire body, support plate and the first connecting pin being arranged in the flexible wire body and the second connection end of sheet, first connecting pin all has multiple contact electrodes being arranged successively in the width direction of the flexible wire body with the second connection end, the support plate includes interconnecting piece and the hand-held part that connect with the interconnecting piece, first connecting pin is layered on the interconnecting piece and is fixedly connected, and forms the first inserted terminal to combine；Opposite sides of the second connection end in the width direction of the flexible wire body is respectively arranged with the first reinforced sheet.The utility model is conducive to the first connecting pin and connect and be beneficial to prevent second connection end fracture with external interface.

Description

Flexible circuit board

Technical field

The utility model relates to flexible board connection-peg fields, and in particular to a kind of flexible circuit board.

Background technique

Flexible circuit board referred to as " soft board ", is commonly called as FPC in industry, is with insulating substrate (mainly polyimides flexible Or polyester film) made of printed circuit board, have the advantages that many rigid printed circuit boards do not have.Such as it can be free Bending, folds winding.Therefore, FPC is widely used on the products such as laptop computer and digital camera.

Existing flexible circuit board generally comprises flexible wire body and golden finger, and flexible circuit board is connect by golden finger and outside Mouth connection.But golden finger be generally arranged it is smaller, when being connect with external interface, the connection of golden finger and flexible wire body Place is easily broken off.

Utility model content

The main purpose of the utility model is to provide a kind of flexible circuit boards, it is intended to solve flexible circuit board and be easily broken off The technical issues of.

In order to solve the above technical problems, the flexible circuit board includes sheet the utility model proposes a kind of flexible circuit board Flexible wire body, support plate and the first connecting pin being arranged in the flexible wire body and second connection end, described first connects It connects end and all has multiple contact electrodes being arranged successively in the width direction of the flexible wire body, institute with the second connection end The hand-held part that support plate includes interconnecting piece and connect with the interconnecting piece is stated, first connecting pin is layered on the interconnecting piece And be fixedly connected, the first inserted terminal is formed to combine；Phase of the second connection end in the width direction of the flexible wire body First reinforced sheet is respectively arranged with to two sides.

Preferably, the flexible wire body include insulating substrate, the etched circuit being arranged on the insulating substrate and with The insulating substrate connects and covers the protective film of the etched circuit, and first reinforced sheet is the insulating substrate described The integral structure extended to form in the width direction of flexible wire body.

Preferably, the flexible wire body further includes the third connecting pin for being layered on the hand-held part and being fixedly connected, institute Stating third connecting pin has multiple contact electrodes being arranged successively in the width direction of the flexible wire body, the third connection End forms the second inserted terminal in conjunction with the hand-held part.

It preferably, further include the insulator cap being set on first inserted terminal and/or the second inserted terminal, the insulator cap For cavity structure open at one end.

Preferably, it is provided with card slot on the inner wall of the insulator cap, is provided in the support plate and the card slot phase The fixture block matched, the fixture block are embedded in the card slot and are engaged by clamping with being formed.

Preferably, the flexible wire body terminates on the end of the support plate and is provided with second connect with the support plate Reinforced sheet.

Flexible circuit board provided by the utility model is connect with support board stacking by the first connecting pin, utilizes support plate First connecting pin is supported.Meanwhile using the first reinforced sheet is arranged in second connection end.For compared with the prior art, The utility model is conducive to the first connecting pin and connect and be beneficial to prevent second connection end fracture with external interface.

Detailed description of the invention

Fig. 1 is the overall structure diagram of one embodiment of flexible circuit board in the utility model；

Fig. 2 is the overall structure diagram of another embodiment of flexible circuit board in the utility model.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation, based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Embodiment one, the utility model proposes a kind of flexible circuit board, which includes the flexible wire body of sheet 10, support plate 20 and the first connecting pin 30 being arranged in the flexible wire body 10 and second connection end 40, described first connects It connects end 30 and all has multiple contacts being arranged successively in the width direction of the flexible wire body 10 with the second connection end 40 Electrode 50, the support plate 20 include interconnecting piece 21 and the hand-held part 22 connecting with the interconnecting piece 21, first connecting pin 30 are layered on the interconnecting piece 21 and are fixedly connected, and form the first inserted terminal to combine；The second connection end 40 is described Opposite sides in the width direction of flexible wire body 10 is respectively arranged with the first reinforced sheet 60.

In the present embodiment, as shown in Figure 1, the first connecting pin and the second connection end all have it is multiple in flexible wire body The contact electrode 50 being arranged successively in width direction, contact electrode 50 material selected according to actual needs, can be gold, Any one in silver and the metal materials such as copper.Support plate 20 includes interconnecting piece 21 and hand-held part 22, interconnecting piece 21 and hand-held part 22 can be integrated molding, be also possible to be clamped, to be convenient for changing different size of hand-held part 22.Interconnecting piece 21 and hand-held part 22 are made using the material with certain degree of hardness, it is preferred to use hard plastic.It is preferred that the size and shape of interconnecting piece 21 with The size and shape of first connecting pin 30 matches, and the first connecting pin 30 can be in such a way that glue is bonded and interconnecting piece 21 Stacking connection, is also possible to by way of hot-melt adhesive paste.Meanwhile when second connection end 40 is connect with external circuit in order to prevent Second connection end 40 is broken, and has the first reinforced sheet 60 in second connection end 40.The mode of connection can be 40 He of second connection end First reinforced sheet 60 is integrally formed, and is also possible to be bonded by glue, the size of the first reinforced sheet 60 can be according to the actual situation Production.Flexible wire body 10 is made of flexible material, and the first reinforced sheet 60 is preferably made by same flexible material, and also and even Tape splicing and flexible wire body 10 are integrally formed.It is preferred that the quantity of the first reinforced sheet 60 is two, it is oppositely arranged on flexible wire body 10 Opposite sides in width direction.In the present embodiment, is connected by the first connecting pin 30 and the stacking of support plate 20, utilize support plate 20 pair of first connecting pin 30 is supported, and is facilitated the first connecting pin 30 and is connect with external interface.Meanwhile using in the second connection First reinforced sheet 60 is set on end 40, is beneficial to prevent the fracture of second connection end 40.

Embodiment two, flexible wire body 10 include insulating substrate, the etched circuit that is arranged on insulating substrate and with insulation Substrate connects and covers the protective film of etched circuit, passes through drilling, copper facing, pad pasting, exposure, development, etching using above-mentioned material Flexible wire body 10 is made with processes such as laminations.Insulating substrate can be by PI (polyimides) or PET (poly terephthalic acid second two Alcohol ester) etc. the thin slice that is made of materials.Etched circuit be by the one or both sides of insulating substrate plate one layer of copper or its Its conductive material recycles etch process to process the circuit of the quantity that matches on insulating substrate, and etched circuit also with connect Touched electrode 50 is electrically connected.Protective film is laid on etched circuit after completing etched circuit, to protect etched circuit.Meanwhile It is preferred that the first reinforced sheet 60 is the integral structure extended to form in the width direction of flexible wire body positioned at insulating substrate.

Embodiment three, as shown in Fig. 2, flexible circuit board is connect with external interface for convenience, flexible wire body 10 further includes The third connecting pin 70 to match with the first connecting pin 30, and third connecting pin 70 has multiple width sides in flexible wire body 10 The contact electrode 50 being arranged successively upwards.70 arranged stacked of third connecting pin is on hand-held part 22, and hand-held part 22 and interconnecting piece 21 equivalent width, so that third connecting pin 70 is combined with hand-held part 22 forms the second inserted terminal.Contact the material root of electrode 50 It is selected according to actual demand, can be any one in the metal materials such as gold, silver and copper.When the first inserted terminal and second are inserted When connecing one of them of end and connecting with external interface, another can be used as handle use.

Example IV, the current-carrying part of the first inserted terminal or the second inserted terminal and outside that are used in order to prevent as handle Contact, to damage flexible circuit board, is additionally provided with insulator cap.The accommodating to match with the first inserted terminal is provided on insulator cap Chamber, and the accommodating cavity has an open end, insulator cap is set in the first inserted terminal or the second grafting by the open end of accommodating cavity On end.

Embodiment five is set on the first inserted terminal or the second inserted terminal, on the inner wall of insulator cap in order to facilitate insulator cap It is provided with card slot, the quantity of card slot is two, is oppositely arranged on the inner wall of insulator cap, the first connecting pin is located in support plate 20 30 and third connecting pin 70 position on be respectively arranged with the fixture block to match with card slot.When the first inserted terminal or the are inserted terminal When being inserted into accommodating cavity, fixture block is connected in card slot.Meanwhile in order to facilitate insulator cap and the first inserted terminal or the second inserted terminal point From fixture block preferably uses the pattern of round protrusion.

Embodiment six, the in order to further increase bonding strength of flexible wire body 10 and the first connecting pin 30, flexible wire body 10 It is provided with the second reinforced sheet 80 on one end of the first connecting pin 30, and the second reinforced sheet 80 is also connect with support plate 20, even The mode connect can be to be bonded by glue.The material of second reinforced sheet 80 can be by flexible material identical with flexible wire body 10 Production, the size of the second reinforced sheet 80 can determine according to the actual situation.The quantity of second reinforced sheet 80 is two, is located at Opposite sides in the width direction of flexible wire body 10, to be beneficial to prevent the connection of flexible wire body 10 and the first connecting pin 30 Place's fracture.

Therefore above part for being only the utility model or preferred embodiment, either text or attached drawing cannot all limit The range of the utility model protection processed is illustrated under all designs with one entirety of the utility model using the utility model Equivalent structure transformation made by book and accompanying drawing content, or directly/be used in other related technical areas indirectly and be included in this In the range of utility model protection.

Claims (6)

1. a kind of flexible circuit board characterized by comprising flexible wire body, support plate and the setting of sheet are in the flexibility The first connecting pin and second connection end in wire body, first connecting pin and the second connection end all have multiple described The contact electrode being arranged successively in the width direction of flexible wire body, the support plate include interconnecting piece and connect with the interconnecting piece Hand-held part, first connecting pin is layered on the interconnecting piece and is fixedly connected, and forms the first inserted terminal to combine；It is described Opposite sides of the second connection end in the width direction of the flexible wire body is respectively arranged with the first reinforced sheet.

2. flexible circuit board according to claim 1, which is characterized in that the flexibility wire body includes insulating substrate, setting Etched circuit on the insulating substrate and the protective film that the etched circuit is connect and covered with the insulating substrate, institute Stating the first reinforced sheet is the integral structure that the insulating substrate extends to form in the width direction of the flexible wire body.

3. flexible circuit board according to claim 1, which is characterized in that the flexibility wire body further includes being layered in the hand The third connecting pin held in portion and be fixedly connected, the third connecting pin have multiple in the width direction of the flexible wire body The contact electrode being arranged successively, the third connecting pin form the second inserted terminal in conjunction with the hand-held part.

4. flexible circuit board according to claim 3, which is characterized in that further include be set in first inserted terminal and/ Or the second insulator cap on inserted terminal, the insulator cap are cavity structure open at one end.

5. flexible circuit board according to claim 4, which is characterized in that it is provided with card slot on the inner wall of the insulator cap, The fixture block to match with the card slot is provided in the support plate, the fixture block is embedded in the card slot matches to form clamping It closes.

6. flexible circuit board according to claim 1, which is characterized in that the flexibility wire body terminates in the end of the support plate The second reinforced sheet connecting with the support plate is provided in portion.