CN215266744U - FPC flexible board electric connector - Google Patents

Abstract

The utility model provides a FPC soft board electric connector, including a longitudinal extension's insulator, accept terminal in insulator, install the clamp plate on insulator and be fixed in a pair of locating part at the vertical both ends of insulator, insulator is equipped with an upper slot and a lower slot that distributes about being, the terminal including distribute in last row terminal group in the upper slot and distribute in lower row terminal group in the lower slot, the locating part is equipped with one and extends into suppress the arm in the lower slot, electric connector still including install in the pressing piece at the vertical both ends of insulator, pressing piece crimping down in suppress on the arm and accessible pressing operation force suppress the arm and move down. Compared with the prior art, the utility model discloses an improve electric connector's structure, make it can peg graft two FPC soft boards simultaneously, whole function is abundanter, and utilizes the cooperation of pressing piece and locating part to realize breaking away from the hasp of lower floor's FPC soft board, and the operation is also very simple and convenient.

Description

FPC flexible board electric connector

Technical Field

The utility model relates to an electric connection field especially relates to a FPC soft board electric connector.

Background

With the trend of miniaturization and lightness of consumer electronic products such as notebook computers, tablet computers, mobile phones and the like, the requirements on the design and manufacturing process of internal electric connectors are higher and higher, and as the products are gradually lightened and lightened, the internal space of the products becomes very narrow, so that various electric connectors in the products need to adopt intensive layout or adopt electric connectors with more optimized structures to realize multiple functions. For the FPC electrical connector, it is used for plugging an FPC (Flexible printed circuit) Flexible board to realize electrical connection, but the existing FPC electrical connector usually can only satisfy a single function, i.e. can only plug one FPC Flexible board, if two FPC Flexible boards need to be plugged, it is necessary to realize through two FPC electrical connectors, and this will increase the occupation of space, therefore, how to improve the structure of the existing FPC electrical connector to make it meet the multifunctional application requirement is a technical subject worth studying.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a FPC soft board electric connector to improve among the prior art electric connector can only peg graft a FPC soft board, the problem of function singleness.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a FPC soft board electric connector, includes a longitudinal extension's insulator, accepts in insulator terminal, installs the clamp plate on insulator and be fixed in a pair of locating part at the longitudinal both ends of insulator, insulator is equipped with an upper slot and a lower slot that distributes from top to bottom, the terminal including distribute in last row terminal group in the upper slot and distribute in lower row terminal group in the lower slot, the locating part is equipped with one and extends into the suppress arm in the lower slot, electric connector is still including installing in the pressing member at the longitudinal both ends of insulator, pressing member crimping down in suppress on the arm and accessible press the operation and force suppress the arm and shift down.

Further, insulator is equipped with roof, diapire, a pair of end wall and the intermediate wall between roof and diapire, lower floor's slot form in between intermediate wall and the diapire, the one end of suppress the arm extends into in the lower floor's slot and be equipped with the hook portion that upwards buckles and form, hook portion is located the both ends of lower floor's slot are in order to block the side of holding the FPC soft board.

Furthermore, the limiting part is fixed on the end wall, and is provided with a main body arm positioned on the front end surface of the end wall, a clamping arm bent backwards from the top end of the main body arm and extending into the end wall, a locking arm bent backwards from the bottom end of the main body arm and extending into the end wall, and a limiting arm extending from the side edge of the main body arm.

Further, the main body arm extends from top to bottom and covers the front end face of the end wall.

Furthermore, the clamping arm is bifurcated, a slot is formed in the inner side of the clamping arm, the pressing piece is provided with a connecting part, and the connecting part is clamped in the slot.

Furthermore, the locking arm is located under the clamping arm and is provided with a base portion extending backwards and horizontally, the elastic pressing arm is formed by reversely bending the extending tail end of the base portion, and a welding arm extends outwards from the outer edge of the base portion.

Furthermore, the elastic pressing arm is located above the base, and a deformation space is formed between the elastic pressing arm and the base, so that the elastic pressing arm can deform and displace downwards.

Compared with the prior art, the utility model discloses an improve electric connector's structure, make it can peg graft two FPC soft boards simultaneously, whole function is abundanter, and utilizes the cooperation of pressing piece and locating part to realize breaking away from the hasp of lower floor's FPC soft board, and the operation is also very simple and convenient.

Drawings

Fig. 1 is a perspective view of the FPC flexible printed circuit electrical connector when the pressing plate is closed.

Fig. 2 is a perspective view of the FPC flexible printed circuit electric connector when the pressing plate is opened.

Fig. 3 is a partial front view of the FPC flexible printed circuit electrical connector of the present invention.

Fig. 4 is a partial enlarged view of the FPC flexible printed circuit electrical connector of the present invention.

Fig. 5 is an exploded view of the FPC flexible printed circuit electrical connector of the present invention.

Fig. 6 is a perspective view of the locating part of the FPC flexible printed circuit electrical connector of the present invention.

Detailed Description

Referring to fig. 1 to 6, the present invention provides an FPC flexible printed circuit electrical connector, which includes an insulating housing 10, an upper row terminal set 20 and a lower row terminal set 30 contained in the insulating housing 10, a pressing plate 40 mounted on the insulating housing 10, a limiting member 50 clamped at two ends of the insulating housing 10, and a pressing member 60 engaged with the limiting member 50, wherein the upper row terminal set 20 and the lower row terminal set 30 are distributed vertically and are respectively used for being connected with two FPC flexible printed circuit boards, the pressing plate 40 is opened and closed by a turning operation, the limiting member 50 is used for limiting, and two ends of the insulating housing 10 are fixed on a circuit board (not shown), and the specific structure of each of the aforementioned components is described in detail below.

The insulating body 10 is lengthwise, and is provided with a top wall 11, a bottom wall 12, a pair of end walls 13 and a middle wall 14 between the top wall 11 and the bottom wall 12, wherein the top wall 11, the middle wall 14 and the bottom wall 12 are sequentially distributed from top to bottom, the top wall 11, the middle wall 14 and the bottom wall 12 all extend longitudinally, and the longitudinal two ends of the top wall 11, the middle wall 14 and the bottom wall 12 are integrally connected with the pair of end walls 13. The bottom wall 12 and the middle wall 14 are parallel to each other, a lower slot 15 is formed between the bottom wall 12 and the middle wall for inserting a lower FPC flexible printed circuit board, a plurality of lower terminal grooves 121 are formed on the inner wall surface of the bottom wall 12 and are longitudinally arranged in a straight line for accommodating the lower row of terminal groups 30, the notches of the lower terminal grooves 121 face the bottom surface of the middle wall 14, the bottom wall 12 is further provided with a pair of concave portions 122 located at two longitudinal ends of the plurality of lower terminal grooves 121, and the pair of concave portions 122 are distributed at two ends of the lower slot 15. The top surface 131 of the middle wall 14 is provided with a plurality of upper terminal grooves 141 which are arranged in a straight line in the longitudinal direction and are used for accommodating the upper row of terminal sets 20, the middle wall 14 is located right below the pressing plate 40, an upper slot 16 for accommodating the upper layer of FPC flexible printed circuit board is formed between the upper terminal grooves and the middle wall, the bottom surface of the middle wall 14 faces the bottom wall 12, and the bottom surface is a continuous flat surface. The end wall 13 extends from front to back, and is provided with a top surface 131, a front end surface 132 and an outer wall surface 133, wherein the top surface 131 is provided with a through hole 134, the through hole 134 penetrates downward into the end wall 13 to accommodate the pressing member 60, the front end surface 132 is provided with a first slot 135, a second slot 136 and a third slot 137, which extend from front to back and are used for inserting the limiting member 50, wherein the first slot 135 is located at the top of the front end surface 132, the third slot 137 is located at the bottom of the front end surface 132 and penetrates through the outer wall surface 133 of the end wall 13, the second slot 136 is located at the inner side of the first slot 135 and the third slot 137 and is located right below the pressing plate 40, and the front end surface 132 of the end wall 13 is further formed with an L-shaped limiting convex part 138, and the limiting convex part 138 is vertically located between the first slot 135 and the third slot 137, and the limiting protrusion 138 is disposed adjacent to the second slot 136, and can be used for supporting the limiting member 50 upward. It should be noted that the through hole 134 penetrates the first slot 135 downward, so that the pressing element 60 can enter the first slot 135 through the through hole 134, and press the limiting element 50 in the first slot 135 to deform the limiting element. In addition, the end wall 13 is further provided with an inner wall surface 139 which is in snap fit with the pressure plate 40, the inner wall surface 139 is located at two sides of the upper slot 16, and the inner wall surface 139 is provided with a snap groove 17 which is used for being in snap fit with two ends of the pressure plate 40.

The upper row terminal group 20 and the lower row terminal group 30 are respectively inserted into the insulating body 10 from the front side and the rear side of the insulating body 10 and respectively accommodated in the upper layer terminal groove 141 and the lower layer terminal groove 121, wherein the upper row terminal group 20 includes a plurality of upper row terminals arranged at equal intervals, the upper row terminals are in a letter "F" shape, each upper row terminal is provided with a fixed arm 21, a pair of contact arms 22 extending forwards from the top of the fixed arm 21, and a fixed pin 23 extending backwards from the bottom of the fixed arm 21, and the pair of contact arms 22 are used for accommodating the upper layer FPC flexible printed circuit board. The lower row of terminal group 30 includes a plurality of equidistant lower row of terminals, lower row of terminal accept in on the diapire 12 of insulator 10, and each lower row of terminal is rectangular shape to be equipped with an upward perk's butt arm 31 and the installation foot 32 that extends from butt arm 31 front end, butt arm 31 from bottom to top butt is in on the lower floor's FPC soft board, butt arm 31 with a pair of contact arm 22 is upper and lower distribution, is used for contacting with lower floor's FPC soft board and upper FPC soft board respectively.

The pressing plate 40 is lengthwise, and its longitudinal both ends are equipped with the protruding rib 41 that outwards protrudes and are located the inboard spacing groove 42 of protruding rib 41, protruding rib 41 is used for the card to be held in the draw-in groove 17 on the end wall 13 of insulator 10, and when pressing plate 40 was in the closed condition, protruding rib 41 will be held the card and is realized spacing the locking of pressing plate 40 in the draw-in groove 17, spacing groove 42 certainly the bottom surface of pressing plate 40 is sunken and forms upwards, its with protruding rib 41 is inside and outside adjacent setting, be used for with spacing cooperation of locating part 50.

The stopper 50 is provided with a main body arm 51 mounted on the front end surface 132 of the end wall 13, a retaining arm 52 bent backward from the top end of the main body arm 51 and extending into the end wall 13, a locking arm 53 bent backward from the bottom end of the main body arm 51 and extending into the end wall 13, and an L-shaped stopper arm 54 extending from the side edge of the main body arm 51. Specifically, the body arm 51 extends from top to bottom and covers the front end surface 132 of the end wall 13, and the holding arm 52 is bifurcated and has a slot 55 at an inner side thereof for holding the pressing member 60, so as to vertically limit the pressing member 60. The locking arm 53 is located right below the retaining arm 52, and is provided with a base 531 extending horizontally backward, an L-shaped pressing arm 532 formed by bending the extending end of the base 531 in the opposite direction, a welding arm 533 extending outward from the outer edge of the base 531 for welding the limiting member 50 to a circuit board (not shown), the pressing arm 532 is located right above the base 531, and a certain distance is left between the pressing arm and the base 531 to serve as a downward deformation space for the pressing arm 532, so that the pressing arm 532 can move up and down, one end of the L-shaped pressing arm 532 is integrally connected with the extending end of the base 531, and the other end of the L-shaped pressing arm 532 extends into the lower slot 15 and is provided with a hook 534 formed by bending upward, the hook 534 is located in the concave portion 122 and protrudes upward beyond the lower row of the retaining terminal group 30 for retaining a side bayonet (not shown) of the lower FPC flexible printed circuit board, it should be noted that the L-shaped pressing arm 532 is further provided with a flat supporting surface 535, the width of which is larger than that of the main body arm 51, the supporting surface 535 supports the pressing member 60 upwards, and the supporting surface 535 is located right below the slot 55 and cooperates with the slot 55 to act on the pressing member 60. The L-shaped limiting arm 54 is provided with a first extending arm 541 integrally connected with the side edge of the main body arm 51 and a second extending arm 542 extending from the end of the first extending arm 541 in a backward bending manner, the first extending arm 541 and the second extending arm 542 are perpendicular to each other, the first extending arm 541 covers the front end surface 132 of the end wall 13 and is clamped on the limiting convex portion 138, the second extending arm 542 extends backward into the end wall 13 and is located right below the limiting groove 42 of the pressing plate 40, the top edge of the second extending arm 542 is further provided with an upwardly convex arch portion 543, the arch portion 543 is correspondingly matched with the limiting groove 42 on the bottom surface of the pressing plate 40, and when the pressing plate 40 is closed, the arch portion 543 protrudes into the limiting groove 42 and abuts against the pressing plate 40 upwards.

The pressing piece 60 is accommodated in the through hole 134 of the end wall 13, and is provided with a pressing head 61 protruding upwards from the top surface 131 of the end wall 13, an actuating block 62 located in the through hole 134 and pressed against the supporting surface 535, and a connecting part 63 connected between the pressing head 61 and the actuating block 62, wherein the pressing head 61, the connecting part 63, and the actuating block 62 are sequentially distributed from top to bottom, the pressing head 61 protrudes upwards from the through hole 134 to be exposed on the top surface 131 of the end wall 13, so as to facilitate the manual downward pressing operation, and the pressing head 61 is preferably rectangular, and has a size smaller than that of the through hole 134, so that the pressing piece can completely enter the through hole 134 in a pressing state. The engaging portion 63 is located between the pressing head 61 and the actuating block 62, but is significantly smaller than the pressing head 61 and the actuating block 62 so that it can be caught in the slot 55 of the catching arm 52 to be caught in the vertical direction with the stopper 50. The actuator block 62 is fully received within the end wall 13 and is disposed on the L-shaped snap arm 532 and supported by a support surface 535 of the snap arm 532. When the lower layer FPC needs to be pulled out, only the pressing head 61 of the pressing piece 60 is needed to drive the actuating block 62 below to apply pressure downwards on the elastic pressing arm 532, so that the elastic pressing arm 532 is forced to displace downwards, and the hook portion 534 at the tail end of the elastic pressing arm 532 moves downwards to be separated from the side bayonet of the lower layer FPC soft board, so that the lower layer FPC is unlocked, and at the moment, the lower layer FPC soft board can be pulled out from the lower layer slot 15.

The utility model discloses an improve electric connector's structure, make it can peg graft two FPC simultaneously, adopt clamp plate 40 upset back pressfitting after the upper FPC soft board inserts, lower floor's FPC soft board adopts the formula of cuting straightly to insert (because of space problem, the unable installation clamp plate 40 of lower floor's slot 15 can only adopt), only needs to press down when extracting pressing member 60, the hook portion 534 that makes the bullet press arm 532 cut off from the hasp to lower floor's FPC soft board, and whole function is abundanter, and the operation is also very simple and convenient.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the technical solution of the present invention without departing from the scope of the technical solution of the present invention.

Claims (7)

1. The utility model provides a FPC soft board electric connector, includes a longitudinal extension's insulator, accepts in insulator terminal, installs the clamp plate on insulator and is fixed in a pair of locating part at insulator vertical both ends, its characterized in that: the electric connector comprises an insulation body, terminals and pressing pieces, wherein the insulation body is provided with an upper slot and a lower slot which are vertically distributed, the terminals comprise an upper row of terminal groups distributed in the upper slot and a lower row of terminal groups distributed in the lower slot, the limiting piece is provided with a pressing arm extending into the lower slot, the pressing pieces are installed at the two longitudinal ends of the insulation body, and the pressing pieces are pressed downwards on the pressing arm and can be pressed to force the pressing arm to move downwards.

2. The FPC flex electrical connector of claim 1, wherein: the insulation body is provided with a top wall, a bottom wall, a pair of end walls and an intermediate wall between the top wall and the bottom wall, the lower layer slot is formed between the intermediate wall and the bottom wall, one end of the elastic pressing arm extends into the lower layer slot and is provided with a hook portion formed by bending upwards, and the hook portion is located at two ends of the lower layer slot and used for clamping the side edge of the FPC soft board.

3. The FPC flex electrical connector of claim 2, wherein: the limiting part is fixed on the end wall and is provided with a main body arm, a clamping arm, a locking arm and a limiting arm, wherein the main body arm is located on the front end face of the end wall, the clamping arm is bent backwards from the top end of the main body arm and extends into the end wall, the locking arm is bent backwards from the bottom end of the main body arm and extends into the end wall, and the limiting arm extends out from the side edge of the main body arm.

4. The FPC flex electrical connector of claim 3, wherein: the main body arm extends from top to bottom and covers the front end face of the end wall.

5. The FPC flex electrical connector of claim 3, wherein: the clamping arm is in a forked shape, a slot is formed in the inner side of the clamping arm, the pressing piece is provided with a connecting part, and the connecting part is clamped in the slot.

6. The FPC flex electrical connector of claim 5, wherein: the locking arm is located under the clamping arm and is provided with a base portion extending backwards and horizontally, the elastic pressing arm is formed by reversely bending the extending tail end of the base portion, and a welding arm extends outwards from the outer edge of the base portion.

7. The FPC flex electrical connector of claim 6, wherein: the elastic pressing arm is located above the base, and a deformation space is formed between the elastic pressing arm and the base so that the elastic pressing arm can deform and displace downwards.

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