CN215266818U

CN215266818U - FPC flexible printed circuit board electric connector

Info

Publication number: CN215266818U
Application number: CN202121429615.8U
Authority: CN
Inventors: 吴永发; 吴祝平; 方志宏
Original assignee: Drapho Electronics Technology Co ltd
Current assignee: Drapho Electronics Technology Co ltd
Priority date: 2021-06-26
Filing date: 2021-06-26
Publication date: 2021-12-21
Anticipated expiration: 2031-06-26

Abstract

The utility model provides a FPC soft board electric connector, include: the electric connector comprises an insulating body, an upper row of terminal groups and a lower row of terminal groups which are contained in the insulating body, and fixing pieces fixed at two ends of the insulating body, wherein the insulating body is provided with a top wall, a bottom wall and a middle wall positioned between the top wall and the bottom wall, an upper slot and a lower slot are respectively arranged at the upper side and the lower side of the middle wall, and the electric connector further comprises an upper layer rotating pressing cover and a lower layer rotating pressing cover which are arranged at two ends of the insulating body. Compared with the prior art, the utility model discloses a set up upper slot and lower floor's slot and corresponding upper strata gland and lower floor gland on insulator, can supply two FPC soft boards to insert simultaneously, can satisfy the multi-functional application of product, and overall structure is simple, grafting convenient operation.

Description

FPC flexible printed circuit 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: an FPC flexible board electrical connector comprising: the electric connector comprises an insulating body, an upper row of terminal groups and a lower row of terminal groups which are contained in the insulating body, and fixing pieces fixed at two ends of the insulating body, wherein the insulating body is provided with a top wall, a bottom wall and a middle wall positioned between the top wall and the bottom wall, an upper slot and a lower slot are respectively arranged at the upper side and the lower side of the middle wall, and the electric connector further comprises an upper layer rotating pressing cover and a lower layer rotating pressing cover which are arranged at two ends of the insulating body.

Furthermore, the opening direction of the upper layer of rotating pressing cover is opposite to that of the lower layer of rotating pressing cover, and the inserting direction of the upper layer of inserting slot is the same as that of the lower layer of inserting slot.

Furthermore, the upper layer of rotating pressing covers are located on the rear side of the upper layer of inserting grooves and take the anticlockwise direction as the opening direction, and the lower layer of rotating pressing covers are located above the lower layer of inserting grooves and take the clockwise direction as the opening direction.

Furthermore, the middle wall is provided with a bottom surface facing the bottom wall and a top surface facing the top wall, and a plurality of terminal grooves are uniformly distributed on the top surface and the bottom surface and are respectively used for accommodating the upper row of terminal groups and the lower row of terminal groups.

Furthermore, the upper row terminal group and the lower row terminal group are inserted into the insulating body from the rear side of the insulating body to the front side, the upper row terminal group comprises a plurality of upper row terminals which are arranged at equal intervals, the lower row terminal group comprises a plurality of lower row terminals which are arranged at equal intervals, and the upper row terminals and the lower row terminals are provided with welding pins which are exposed out of the rear side of the insulating body.

Furthermore, the welding pins of the upper row of terminals and the welding pins of the lower row of terminals are arranged at intervals and are arranged along the same straight line.

Further, the insulating body is further provided with a pair of end walls, the end walls are integrally connected with the top wall, the bottom wall and the middle wall, and the end walls are provided with a top surface, an engagement surface extending downwards from the front side edge of the top surface in an inclined mode, and a supporting surface formed below the engagement surface.

Furthermore, the end wall is further provided with a surrounding blocking wall positioned on the outer side of the supporting surface and a limiting column positioned on the inner side of the surrounding blocking wall, the surrounding blocking wall protrudes out of the supporting surface, and the limiting column protrudes upwards to exceed the surrounding blocking wall and is in limiting fit with two ends of the lower layer of rotating pressing cover.

Furthermore, the supporting surface, the surrounding retaining wall and the limiting columns are distributed at the two longitudinal ends of the lower slot.

Compared with the prior art, the utility model discloses a set up upper slot and lower floor's slot and corresponding upper strata gland and lower floor gland on insulator, can supply two FPC soft boards to insert simultaneously, can satisfy the multi-functional application of product, and overall structure is simple, grafting convenient operation.

Drawings

Fig. 1 is a perspective view of the FPC flexible printed circuit board electrical connector of the present invention.

Fig. 2 is a side view of the FPC flexible printed circuit board electrical connector, in which the upper layer pressure cover is in an open state and the lower layer pressure cover is in a closed state.

Fig. 3 is an exploded 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.

Detailed Description

Referring to fig. 1 to 4, the present invention provides an FPC Flexible Printed Circuit (FPC) connector 100, which includes a longitudinally extending insulating housing 10, an upper row terminal set 20 and a lower row terminal set 30 housed in the insulating housing 10, an upper layer rotating pressing cover 40 and a lower layer rotating pressing cover 50 mounted on the insulating housing 10, and fixing members 60 fixed to two longitudinal ends of the insulating housing 10. The upper row terminal group 20 and the lower row terminal group 30 are respectively used for being connected with an upper layer FPC soft board 200 and a lower layer FPC soft board 300, and the upper layer rotating pressing cover 40 and the lower layer rotating pressing cover 50 can be opened or closed through overturning operation, so that the upper layer FPC soft board 200 and the lower layer FPC soft board 300 can be conveniently plugged or pulled out. The structural features of the foregoing components are 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, 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 layer insertion slot 15 is formed between the two for inserting a lower layer FPC flexible printed circuit board 300, and a plurality of terminal slots 17 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 sets 30, and the notches of the terminal slots 121 face the bottom surface of the middle wall 14. The top surface of the middle wall 14 is also provided with a plurality of terminal grooves 17 which are arranged in a straight line in the longitudinal direction and used for accommodating the upper row of terminal sets 20, an upper slot 16 for accommodating the upper layer FPC flexible printed circuit 200 is formed between the middle wall 14 and the top wall 11, the bottom surface of the middle wall 14 faces the bottom wall 12, and the bottom surface is also provided with a plurality of terminal grooves 17, the end wall 13 extends from front to back and is provided with a top surface 131, a connecting surface 132 extending from the front side edge of the top surface 131 in an inclined manner downwards, a supporting surface 133 formed at the bottom of the connecting surface 132, the top surface 131 is higher than the connecting surface 132 and the supporting surface 133, in addition, the end wall 13 is also provided with a surrounding blocking wall 134 positioned at the outer side of the supporting surface 133 and a limiting column 135 positioned at the inner side of the surrounding blocking wall 34, the surrounding blocking wall 134 protrudes from the supporting surface 133 and encloses the supporting surface 133 at the inner side, and the limiting column 135 protrudes upwards to exceed the surrounding blocking wall 134, but lower than the top surface 131, the limiting posts 135 are used for limiting and matching with two ends of the lower layer rotating pressing cover 50, and it should be noted that the supporting surface 133, the enclosing wall 134 and the limiting posts 135 are distributed at two longitudinal ends of the lower layer slot 15.

The upper row terminal group 20 and the lower row terminal group 30 are inserted into the insulating body 10 from the rear side of the insulating body 10 to the front side and are accommodated in the terminal groove 17, wherein the upper row terminal group 20 includes a plurality of upper row terminals 201 arranged at equal intervals, the upper row terminal 201 is provided with a welding pin 21 and a pair of i-shaped contact arms 22 extending forward from the top of the welding pin 21, the front sides of the pair of contact arms 22 are used for clamping the upper layer FPC flexible printed circuit board 200, and the rear sides of the pair of contact arms 22 are used for matching with the upper layer rotating cover 40 and limiting a pivot shaft (not shown) of the upper layer rotating cover 40. The lower terminal group 30 includes a plurality of lower terminals 301 arranged at equal intervals, the lower terminals 301 are accommodated in the terminal grooves 17 of the bottom wall 12 and the middle wall 14 of the insulating body 10, each lower terminal 301 is provided with a substrate 31, a pair of abutting arms 32 extending forward from the substrate 31, and a welding pin 33 extending downward from the substrate 31, and the pair of abutting arms 32 are distributed vertically and used for contacting or matching with the lower FPC flexible board 300 and the lower transfer cover 50. The welding pins 21 of the upper row of terminals 201 and the welding pins 33 of the lower row of terminals 301 are exposed at the rear side of the insulating body 10 and are arranged at intervals, so that the

welding pins

21, 33 of the upper row of terminals 201 and the lower row of terminals 301 are arranged on the same straight line.

The fixing member 60 has a main body 61, a mounting leg 62 formed by bending and extending outward from the bottom edge of the main body 61, and a retaining arm 63 horizontally extending rearward from the edge of the main body 61, wherein the top edge of the retaining arm 63 is distributed with spurs 64 for retaining and matching with the end wall 13 of the insulating body 10, and the fixing member 60 is inserted into the end wall 13 of the insulating body 10 through the retaining arm 63 and is welded to a circuit board (not shown) by the mounting leg 62, so that the two longitudinal ends of the electrical connector are fixed to the circuit board.

It can be seen from the above that, the opening direction of the upper layer rotating pressing cover 40 is from back to front (i.e. anticlockwise opening), the opening direction of the lower layer rotating pressing cover 50 is from back to back (i.e. clockwise opening), both are the structure of lifting cover type, but the opening direction is completely opposite, two FPC

soft boards

200, 300 can be plugged simultaneously, the multifunctional application of the product is satisfied, and because the plugging direction of the upper layer slot 16 is the same as the plugging direction of the lower layer slot 15, the two FPC

soft boards

200, 300 can be plugged into the insulating body 10 along the same plugging direction (i.e. from back to front).

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

1. An FPC flexible board electrical connector comprising: insulator, accept in the last row terminal group in insulator and arrange terminal group down and be fixed in the mounting at insulator both ends, its characterized in that: the electric connector is characterized in that the insulating body is provided with a top wall, a bottom wall and an intermediate wall positioned between the top wall and the bottom wall, an upper slot and a lower slot are respectively arranged on the upper side and the lower side of the intermediate wall, and the electric connector further comprises an upper layer rotating pressing cover and a lower layer rotating pressing cover which are arranged at the two ends of the insulating body.

2. The FPC flex electrical connector of claim 1, wherein: the opening direction of the upper layer of rotating pressing cover is opposite to that of the lower layer of rotating pressing cover, and the inserting direction of the upper layer of inserting groove is the same as that of the lower layer of inserting groove.

3. The FPC flex electrical connector of claim 2, wherein: the upper layer rotating pressing cover is located on the rear side of the upper layer slot and takes the anticlockwise direction as the opening direction, and the lower layer rotating pressing cover is located above the lower layer slot and takes the clockwise direction as the opening direction.

4. The FPC flex electrical connector of claim 3, wherein: the middle wall is provided with a bottom surface facing the bottom wall and a top surface facing the top wall, and a plurality of terminal grooves are uniformly distributed on the top surface and the bottom surface and are respectively used for accommodating the upper row of terminal groups and the lower row of terminal groups.

5. The FPC flex electrical connector of claim 4, wherein: the upper row terminal group and the lower row terminal group are inserted into the insulating body from the rear side of the insulating body to the front side, the upper row terminal group comprises a plurality of upper row terminals which are arranged at equal intervals, the lower row terminal group comprises a plurality of lower row terminals which are arranged at equal intervals, and the upper row terminals and the lower row terminals are provided with welding pins which are exposed out of the rear side of the insulating body.

6. The FPC flex electrical connector of claim 5, wherein: the welding pins of the upper row of terminals and the welding pins of the lower row of terminals are arranged at intervals and are arranged along the same straight line.

7. The FPC flexible board electrical connector according to any one of claims 1 to 6, wherein: the insulating body is further provided with a pair of end walls, the end walls are integrally connected with the top wall, the bottom wall and the middle wall, and the end walls are provided with a top surface, a joint surface obliquely extending downwards from the front side edge of the top surface and a supporting surface formed below the joint surface.

8. The FPC flex electrical connector of claim 7, wherein: the end wall is also provided with a surrounding blocking wall positioned on the outer side of the supporting surface and a limiting column positioned on the inner side of the surrounding blocking wall, the surrounding blocking wall protrudes out of the supporting surface, and the limiting column protrudes upwards to exceed the surrounding blocking wall and is in limit fit with the two ends of the lower layer of rotating pressing cover.

9. The FPC flex electrical connector of claim 8, wherein: the supporting surface, the surrounding retaining wall and the limiting columns are distributed at the two longitudinal ends of the lower-layer slot.