CN201270301Y - Connector for flexible circuit board - Google Patents

Abstract

The utility model discloses a flexible circuit board connector, which is provided with an insulating seat body, a plurality of first terminals, a plurality of second terminals, a first rotating block and a second rotating block, wherein a first groove is arranged on the insulating seat body, a first accommodating groove is arranged on the lower groove wall of the first groove downwards, and a plurality of first terminal grooves for accommodating the first terminals are arranged on the groove wall of the first accommodating groove; a second containing groove extending to the rear side groove wall of the first groove is formed downwards at the rear part of the upper surface of the insulating base body, and a plurality of second terminal grooves for containing the second terminals are formed in the groove wall of the second containing groove. The first rotating block and the second rotating block are respectively pivoted on the insulating base body. The utility model discloses a two-layer about the structural design of the first accepting groove of insulating pedestal and second accepting groove forms, can accept two flexible circuit board simultaneously, its simple structure, occupation space is little.

Description

Flexible PCB Connector

technical field

The utility model relates to an electric connector, in particular to a flexible circuit board connector capable of accommodating two flexible circuit boards at the same time.

Background technique

The flexible printed circuit connector is used to achieve electrical connection with the flexible printed circuit (FPC). The current flexible printed circuit connector generally includes an insulating shell, several terminals and a holding member. Several terminals are fixed in the insulating housing, and the insulating housing has a slot for inserting the flexible circuit board. The elastic contact between provides the holding force.

However, the above-mentioned flexible circuit board connector can only be connected to one flexible circuit board. Small flexible circuit board connectors have become a necessary requirement.

Utility model content

The purpose of this utility model is to provide a flexible circuit board connector which occupies a small space and can accommodate two flexible circuit boards at the same time, aiming at the defects of the above-mentioned prior art.

To achieve the above purpose, the flexible circuit board connector of the present invention includes an insulating base, a plurality of first terminals, a plurality of second terminals, a first rotating block and a second rotating block. The insulating seat is provided with a first groove extending to the front surface, and the lower groove wall of the first groove is provided with a first receiving groove which is roughly rectangular and extends to the front end of the insulating seat. A plurality of first terminal grooves are opened on the groove wall of the receiving groove; a second receiving groove is opened downward at the rear part of the upper surface of the insulating base, and the second receiving groove extends forward to the rear groove of the first groove The wall thus communicates with the first groove, and a plurality of second terminal grooves are opened on the groove wall of the second receiving groove. The first terminal and the second terminal are held in the first terminal groove and the second terminal groove respectively; The block is pivotally mounted on the insulating base and can be held in the second receiving groove of the insulating base.

As mentioned above, the flexible printed circuit board connector of the utility model forms upper and lower layers through the structural design of the first receiving groove and the second receiving groove of the insulating base body, and the first receiving groove and the second receiving groove can accommodate a flexible circuit board connector respectively. The circuit board, and the two flexible circuit boards can be accommodated in the insulating seat body from the front, so that the structure is simple and the occupied space is small.

Description of drawings

Fig. 1 is a perspective view of an embodiment of the flexible circuit board connector of the present invention.

FIG. 2 is an exploded perspective view of the flexible circuit board connector shown in FIG. 1 .

FIG. 3 is a perspective view of an insulating seat body of the flexible circuit board connector shown in FIG. 1 .

FIG. 4 is a three-dimensional assembled view of the insulating seat body and the first and second terminals of the flexible circuit board connector shown in FIG. 2 .

FIG. 5 is a perspective view of the combined state of the flexible circuit board connector shown in FIG. 1 and the first flexible circuit board.

FIG. 6 is a perspective view of the combined state of the flexible circuit board connector shown in FIG. 1 and the first and second flexible circuit boards.

Fig. 7 is a sectional view of the flexible circuit board connector shown in Fig. 1 along line VII-VII.

The reference signs in the figure are explained as follows:

Flexible PCB Connector 100

First flexible circuit board 200 Second flexible circuit board 300

Insulation seat body 1 first groove 101

The second groove 102 The first storage tank 11

The first terminal slot 111 The first solder tail slot 1111

Retaining groove 112 Front retaining groove 1121

Rear retaining groove 1122 Welding foot groove 113

Second Storage Slot 12 Second Terminal Slot 121

Second solder tail slot 1211 Pivot hole 122

Groove 123 Guide slide wall 124

Dividing groove 125 Support piece 13

Horizontal part 131 Block block 132

Solder leg 133 Stuck 134

First Terminal 2 First Base 21

Elastic part 22 The first holding part 23

First Interference Part 24 First Contact Part 25

First Solder Tail 26 Second Terminal 3

Second base part 31 Second contact part 311

Second solder tail 312 Third base 32

The third contact part 321 The second interference part 322

The first rotating block 4 The first cover plate 41

The first protruding shaft 42 The first through hole 43

The first holding block 44 The second rotating block 5

Second cover plate 51 Second cam shaft 52

The second through hole 53 The second holding block 54

Beam Department 55

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the utility model in detail, the following will describe in detail in conjunction with the embodiments and accompanying drawings.

Please refer to FIG. 1 and FIG. 2 , the flexible circuit board connector 100 includes an insulating base body 1 , a plurality of first terminals 2 , a plurality of second terminals 3 , a first rotating block 4 and a second rotating block 5 .

Please refer to Fig. 2, Fig. 3 and Fig. 4 together. The insulating seat body 1 is roughly in the shape of a cuboid. The insulating seat body 1 is provided with a first groove 101 extending to the left and right sides and the front surface from front to back and a The first groove 101 communicates with the second groove 102 and the depth of the first groove 101 is greater than the depth of the second groove 102 . A lower groove wall of the first groove 101 defines a first accommodating groove 11 that is substantially rectangular and extends to the front end of the insulating base 1 . A plurality of first terminal grooves 111 are defined on the groove wall of the first receiving groove 11 . The front ends of the first terminal grooves 111 have first solder tail grooves 1111 extending downward to the lower surface of the insulating base 1 . The two sidewalls of the first receiving groove 11 are respectively provided with a holding groove 112 extending to the front end surface of the insulating seat 1. A solder leg groove 113 is formed extending downward to the lower surface of the insulating base 1 .

The rear portion of the upper surface of the insulating seat 1 is downwardly provided with a second receiving groove 12 that is roughly rectangular and extends to the rear end of the insulating seat 1. The second receiving groove 12 extends forward to the rear of the first groove 101. The side groove wall thus communicates with the first groove 101 , and the upper part of the second receiving groove 12 extends to the rear side groove wall of the second groove 102 . A plurality of second terminal slots 121 are defined on the wall of the second receiving slot 12 , and the rear ends of the second terminal slots 121 extend downward to the lower surface of the insulating base 1 to form second solder tail slots 1211 . A pivot hole 122 and a groove 123 extending to the rear end surface are respectively defined on two side walls of the second receiving groove 12 , and a sliding guide wall 124 is formed between the pivot hole 122 and the groove 123 . Both ends of the bottom wall of the second receiving groove 12 respectively define a dividing groove 125 extending downward to the lower surface of the insulating base 1 .

The first terminal 2 has a substantially rectangular plate-shaped first base portion 21 ; a strip-shaped elastic portion 22 extends from an upper end of one side edge of the first base portion 21 , and a first holding portion 23 extends outward from a lower end of the first base portion 21 . A first interference portion 24 protrudes downward from the end of the elastic portion 22 . A first contact portion 25 protrudes upwards from the first holding portion 23 . A first solder tail portion 26 is formed from the end of the first holding portion 23 . The first terminal 2 is accommodated in the first terminal groove 111 of the insulating base body 1, the first base portion 21 and the first holding portion 23 of the first terminal 2 are fixed in the first terminal groove 111, and the first solder tail portion 26 is accommodated in the first terminal groove 111. In the first solder tail groove 1111, it is used to be soldered on a circuit board (not shown in the figure).

The second terminal 3 has a strip-shaped second base portion 31 and a strip-shaped third base portion 32 substantially parallel to the second base portion 31 . A lever fulcrum portion 33 is connected between the third base portion 32 and the second base portion 31 . One end of the second base portion 31 protrudes to form a second contact portion 311 , and the other end of the second base portion 31 is bent downward to form a second solder tail portion 312 . One end of the third base portion 32 protrudes to form a third contact portion 321 , and the other end protrudes to form a hook-shaped second interference portion 322 . The third contact portion 321 is on the same side of the lever fulcrum portion 33 as the second contact portion 311 . The second terminal 3 is accommodated in the second terminal groove 121 of the insulating base 1, and the end of the second base 31 provided with the second contact portion 311 and the third base 32 are both held in the second terminal groove 121, and the second solder The tail portion 312 is accommodated in the second solder tail slot 1211 for soldering on the circuit board.

The retaining groove 112 accommodates a support member 13 , the support member 13 has a strip-shaped transverse portion 131 , and a blocking block 132 protrudes from the transverse portion 131 perpendicular to the transverse portion 131 . One end of the transverse portion 131 is bent downwards to form a welding foot 133 , and the other end of the transverse portion 131 protrudes a thorn 134 . The horizontal portion 131 is received at the lower portion of the holding groove 112 , and the hooks 134 of the horizontal portion 131 are locked on the inner wall of the holding groove 112 . The upper part of the retaining groove 112 is divided into two parts by the blocking block 132 into a front retaining groove 1121 and a rear retaining groove 1122 (as shown in FIG. 4 ). The solder feet 133 of the support member 13 are accommodated in the solder leg grooves 113 of the holding groove 112 and soldered on the circuit board.

Please refer to FIG. 2 and FIG. 6 , the first rotating block 4 has a rectangular first cover plate 41 , and a first protruding shaft 42 extends from two sidewalls of the first cover plate 41 . A plurality of first through holes 43 are defined on the first cover plate 41 . A first locking block 44 protrudes from two sidewalls of the first cover plate 41 respectively. The first rotating block 4 is accommodated in the first receiving groove 11 of the insulating base 1, and the two first protruding shafts 42 of the first rotating block 4 are respectively pivotally mounted in a rear holding groove 1122, and the blocking block 132 of the support member 13 can be Prevent the first protruding shaft 42 from slipping out. The elastic portion 22 of the first terminal 2 is accommodated in the first through hole 43 of the first rotating block 4 . The first interference portion 24 can block the wall of the first through hole 43 to assist in preventing the first rotating block 4 from falling out of the insulating base 1 .

The rotation of the first rotating block 4 by the first protruding shaft 42 can form two states: open (approximately vertical to the insulating base 1 ) or closed (approximately horizontal to the insulating base 1 ). When the first rotating block 4 is in the open state, a receiving space is formed between the elastic portion 22 of the first terminal 2 and the first holding portion 23, and a first flexible circuit board 200 can be moved from the front end of the insulating base 1 to zero. The insertion force is inserted, and the second groove 102 can facilitate the insertion of the flexible circuit board. When the first rotating block 4 is turned to make the cover plate 41 cover and press on the first flexible circuit board 200 to be in a closed state, the lower surface of the first cover plate 41 presses the first flexible circuit board 200 so that the first flexible circuit board 200 The circuit board 200 is reliably electrically connected to the first contact portion 25 of the first terminal 2 . In addition, the two first holding blocks 44 of the first rotating block 4 are respectively held in a front holding groove 1121 of the holding groove 112 , so that the first flexible circuit board 200 is stably held in the insulating base 1 .

Please refer to Fig. 6 to Fig. 8 again, the structure of the second rotating block 5 is the same as that of the first rotating block 4

Similarly, it has a rectangular second cover plate 51 , two second protruding shafts 52 , a plurality of second through holes 53 and two second clamping blocks 54 . A beam portion 55 is formed at an end of the second through hole 53 close to the second protruding shaft 52 , and the cross section of the beam portion 55 is substantially elliptical. The second protruding shaft 52 of the second rotating block 5 can squeeze the sliding guide walls 124 of the two second receiving grooves 12, so that the two guiding sliding walls 124 expand to both sides and slide into the pivot hole 212, and the second rotating block 5 It is pivotally mounted on the insulating base body 1. The second interference portion 322 of the second terminal 3 is accommodated in the second through hole 53 of the second rotating block 5 .

The second rotating block 5 can be rotated by the second protruding shaft 52 to form two states: open or closed. Low insertion force insertion. When the second rotating block 5 is rotated so that the second cover plate 51 is pressed against the second flexible circuit board 300 to form a closed state, the beam portion 55 of the second cover plate 51 abuts against the third base portion 32 of the second terminal 3 One end close to the second interference part 322, the second contact part 311 swings to the third contact part 321 through the lever fulcrum part 33 to clamp the second flexible circuit board 300, so as to be reliable with the second flexible circuit board 300 ground electrical connection. The second interference portion 322 of the second terminal 3 blocks the beam portion 55 , which can also prevent the second rotating block 5 from sliding out of the insulating base 1 . The second clamping block 54 of the second rotating block 5 is clamped in the groove 123 of the insulating base 1 , so that the second flexible circuit board 300 is stably held in the insulating base 1 .

To sum up, the flexible circuit board connector 100 of the present invention forms two upper and lower layers through the structural design of the first receiving groove 11 and the second receiving groove 12 of the insulating base body 1, and the first receiving groove 11 and the second receiving groove 12 can accommodate a flexible circuit board 200, 300 respectively, and both flexible circuit boards 200, 300 can be accommodated in the insulating base 1 from the front end, which has a simple structure and takes up little space.

In addition, through the structural design of the first terminal 2, the second terminal 3, the first rotating block 4 and the second rotating block 5, the flexible printed circuit board connector 100 enables the two flexible printed circuit boards 200, 300 to be inserted with low insertion force. Or insert with zero insertion force.

Claims (6)

1. Soft Circuit Board Union, comprise an insulating base frame, it is characterized in that: offer first groove that extends to front surface on the insulating base frame, offer one roughly rectangular and extend to first accepting groove of the front end of insulating base frame on the following cell wall of first groove downwards, offer several the first terminal grooves on the cell wall of this first accepting groove, in each the first terminal groove respectively fixing one the first terminal is arranged; The place, rear portion of the upper surface of insulating base frame offers one second accepting groove downwards, communicates with first groove thereby second accepting groove extends to the rear side cell wall of first groove, offers several second terminal grooves on the cell wall of second accepting groove; In each second terminal groove respectively fixing one second terminal is arranged; Pivot is equipped with one first spill spin block and one second spill spin block on the insulating base frame.

2. Soft Circuit Board Union according to claim 1, it is characterized in that: also offer one second groove on the described insulating base frame, this second groove is at the rear side of first groove, first groove communicate with second groove and the degree of depth of first groove greater than the degree of depth of second groove; The top of described second accepting groove extends to the rear side cell wall of second groove.

3. Soft Circuit Board Union according to claim 2 is characterized in that: described the first terminal has one first base portion; The upper end of one lateral margin of this first base portion is extended with the elastic portion of a strip, and the lower end of this lateral margin is extended with one first holding parts, and first holding parts is provided with first contact site of a projection; Described first spill spin block has first cover plate that flexible circuit board can be pressed on first holding parts, offers several first through holes on this first cover plate, and the elastic portion of the first terminal is housed in first through hole of first spill spin block; The front end of described the first terminal groove has the first weldering stern notch of the lower surface that extends downward insulating base frame, and the first terminal has one first weldering afterbody, and the first weldering afterbody is housed in the first weldering stern notch.

4. Soft Circuit Board Union according to claim 3, it is characterized in that: offer a holding slot that extends to the front end face of insulating base frame on the two side of described first accepting groove respectively, the top of this two holding slot is communicated with first accepting groove, and the lower surface that the front end of two holding slots extends downward insulating base frame respectively forms a leg groove; Contain a supporter in the holding slot, this supporter has a transverse part, vertically extends a stop block on this transverse part, and the end of an end of transverse part bending downwards extends to form a leg; Transverse part is retained on the bottom of holding slot, and leg is housed in the leg groove of holding slot, holding slot and back holding slot before stop block is separated into holding slot; The two side of first cover plate is extended one first protruding axle and one first blocked block respectively, and two first protruding axles are journaled into respectively in the back holding slot, and two first blocked blocks are held in respectively in the preceding holding slot.

5. Soft Circuit Board Union according to claim 1, it is characterized in that: described second terminal have one second base portion and with the 3rd base portion of the second base portion almost parallel, be connected with a balance pivot portion between the 3rd base portion and second base portion, one end of second base portion protrudes out and forms one second contact site, and an end of the 3rd base portion protrudes out and forms one the 3rd contact site; This second spill spin block has one second cover plate, offer several second through holes on second cover plate, form a beam portion between second through hole and second cover plate, one edge, this beam portion can replace an end of the 3rd base portion of second terminal, and the 3rd base portion is swung around balance pivot portion; The lower surface that the rear end of described second terminal groove extends downward insulating base frame forms the second weldering stern notch, and second terminal has one second weldering afterbody, and the second weldering afterbody is housed in the second weldering stern notch.

6. Soft Circuit Board Union according to claim 5 is characterized in that: offer the groove that a pivot hole and extends to the rear end face of insulating base frame on the two side of described second accepting groove respectively, and form a slide guide wall between this groove and the pivot hole; The two ends of the diapire of second accepting groove offer a slot segmentation respectively downwards; Described second spill spin block has two second protruding axle and two second blocked blocks, and the second protruding axle is journaled in the described pivot hole; Second blocked block can be held in the described groove.

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