CN215266817U - Flexible circuit board electric connector - Google Patents

Abstract

The utility model provides a flexible line way board electric connector, include insulator, accept in a plurality of terminals in insulator and install the clamp plate on insulator, insulator is equipped with a roof, a diapire and a pair of lateral wall, be formed with the inserting groove who holds the flexible line way board between diapire and the lateral wall, the clamp plate is equipped with an internal surface and a surface, the internal surface of clamp plate is equipped with the orientation the protruding hasp projection that stretches of diapire, be equipped with on the diapire and hold the through hole of hasp projection and be located the spacing convex part of through hole front side, the through hole link up in vertical direction the diapire. Compared with the prior art, the utility model discloses an improve the structure of clamp plate, utilize mutually supporting of the hasp projection of clamp plate internal surface and the through hole on the insulator diapire, not only increased the reliability of being connected between clamp plate and the insulator, still can carry out the hasp spacing to the flexible line way board for clamp plate, insulator and flexible line way board three can be more reliable firm combination be in the same place.

Description

Flexible circuit board electric connector

Technical Field

The utility model relates to an electric connection field especially relates to a flexible line way board electric connector.

Background

With the development 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 parts of the consumer electronic products are higher and higher, and as the products are lighter and thinner day by day, the internal space of the consumer electronic products is very narrow, so that the requirement that the internal parts of the consumer electronic products are required to adopt a dense layout is met, the volume of each electronic part is smaller and thinner, and the requirements on the reliability of the manufacturing process and the connection of the consumer electronic products are higher and higher. For the FPC/FFC electrical connector, which is used for inserting FPC or FFC (i.e. flexible printed circuit board or flexible cable), the existing design is to use a flip-type pressing plate to open or close, so as to press or release the FPC, in some application scenarios, the FPC connector is designed to be very thin and small, and since the electrical connector is mainly made of insulating plastic, therefore, the light, thin and small design directly influences the strength of the product, so that the matching relationship among the pressing plate, the insulating body and the FPC becomes relatively fragile, not very firm and reliable, and particularly in the overturning operation of the pressing plate, the matching relationship among the pressing plate, the insulating body and the FPC is easily influenced, therefore, how to improve the matching relationship among the pressing plate, the insulating body and the FPC and increase the connection reliability among the pressing plate, the insulating body and the FPC is an important technical problem to be considered in the design process of the FPC electric connector.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a flexible line way board electric connector to improve the not good problem of connection reliability among the prior art.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a flexible line way board electric connector, includes insulator, accepts a plurality of terminals in insulator and installs the clamp plate on insulator, insulator is equipped with a roof, a diapire and a pair of lateral wall, be formed with the inserting groove who holds the flexible line way board between diapire and the lateral wall, the clamp plate is equipped with an internal surface and an surface, the internal surface of clamp plate is equipped with the orientation the protruding hasp projection that stretches of diapire, be equipped with on the diapire and hold the through hole of hasp projection and be located the spacing convex part of through hole front side, the through hole link up in vertical direction the diapire.

Further, the limiting convex part protrudes upwards from the surface of the bottom wall and is positioned at the front side edge of the bottom wall, and an inclined guide surface is arranged at the front side of the limiting convex part.

Furthermore, the pressing plate is provided with a main body part, matching parts positioned at two ends of the main body part and matching grooves positioned between the main body part and the matching parts, and a plurality of through holes and pivot shafts positioned in the through holes are formed in the main body part.

Furthermore, the top wall is provided with a pair of positioning parts which protrude forwards to the upper part of the insertion groove, and the positioning parts protrude forwards from the front side edge of the top wall to be in limit fit with the matching grooves of the pressing plate.

Furthermore, the front side edge of the top wall is also provided with an inclined surface positioned at the rear side of the positioning part, and the inclined surface is formed by obliquely extending from top to bottom and is integrally connected with the side wall.

Further, the positioning portion and the through hole are arranged in a front-rear direction.

Furthermore, the outer surface of the pressure plate is provided with a step part which is matched with the top wall in an abutting mode.

Compared with the prior art, the utility model discloses an improve the structure of clamp plate, utilize mutually supporting of the hasp projection of clamp plate internal surface and the through hole on the insulator diapire, not only increased the reliability of being connected between clamp plate and the insulator, still can carry out the hasp spacing to the flexible line way board for clamp plate, insulator and flexible line way board three can be more reliable firm combination be in the same place.

Drawings

Fig. 1 is an exploded view of the flexible printed circuit board electrical connector of the present invention.

Fig. 2 is a schematic diagram of the flexible printed circuit board electrical connector according to the present invention when the pressing plate is closed.

Fig. 3 is a schematic diagram of the flexible printed circuit electric connector of the present invention when the pressing plate is opened.

Fig. 4 is a partial view of the pressing plate of the flexible printed circuit board electrical connector according to the present invention.

Fig. 5 is a schematic side view of the open state of the pressing plate of the flexible printed circuit board electrical connector according to the present invention.

Detailed Description

Referring to fig. 1 to 5, the present invention provides an electrical connector for a flexible printed circuit, which includes an insulating body 10, a plurality of terminals 20 housed in the insulating body 10, a metal fixing member 30 fixed at two ends of the insulating body 10, and a pressing plate 40 installed on the insulating body 10, wherein the insulating body 10 is used for inserting the FPC, so that the Flexible Printed Circuit (FPC) is electrically contacted with the terminals 20, and the pressing plate 40 is opened or closed by turning operation to compress or release the FPC. The specific structure and function of each of the aforementioned components are described in detail below.

The insulating body 10 is provided with a top wall 11, a bottom wall 12 and a pair of side walls 13, an insertion slot S for inserting the FPC is formed between the top wall 11, the bottom wall 12 and the side walls 13, wherein the width of the top wall 11 in the front-back direction is smaller than that of the bottom wall 12, a support part 14 and positioning parts 15 located at two ends of the support part 14 are arranged at the front side edge of the top wall 11, an inclined support surface 141 is arranged at the edge of the support part 14 for supporting or abutting against the pressing plate 40, a plurality of upper terminal slots 142 are arranged below the support part 14, the positioning part 15 is formed by protruding forwards from the front side edge of the top wall 11 and protrudes forwards beyond the support part 14, the positioning part 15 is used for matching with the pressing plate 40, so that the pressing plate 40 is better combined with the insulating body 10 for limiting, it should be noted that the front side edge of the top wall 11 is further provided with an inclined surface 16 located at the back side of the positioning part 15, the inclined surface 16 is formed by extending obliquely from top to bottom and is integrally connected to the side wall 13. The bottom wall 12 is located below the top wall 11 and is provided with a plurality of lower side terminal grooves 121, the lower side terminal grooves 121 and the upper side terminal grooves 142 are arranged in a one-to-one correspondence manner in the up-down direction and used for accommodating the terminals 20, a pair of limiting convex portions 122 are further arranged at the front side edge of the bottom wall 12, the pair of limiting convex portions 122 are located on two sides of the plurality of lower side terminal grooves 121, and the limiting convex portions 122 protrude from the upper surface of the bottom wall 12. The side wall 13 is provided with a fixing groove 17 for receiving the metal holder 30, and the fixing groove 17 extends in a front-rear direction such that the metal holder 30 can be inserted into the fixing groove 17 from front to rear.

The terminals 20 are arranged in a straight line and are arranged at equal intervals, each terminal 20 is provided with an upper side contact arm 21, a lower side contact arm 22 and a welding pin 23, the upper side contact arm 21 and the lower side contact arm 22 are arranged up and down and are respectively accommodated in the upper side terminal groove 142 and the lower side terminal groove 121 for respectively clamping the upper side and the lower side of the FPC to realize electrical contact, the welding pin 23 extends out from the rear end of the lower side contact arm 22 to extend out of the insulating body 10 for welding to a circuit board (not shown), wherein the front end of the upper side contact arm 21 is further provided with a pivoting groove 24 for accommodating a pivoting shaft 45 of the pressing plate 40.

The pressing plate 40 is provided with a main body portion 41, matching portions 42 located at two ends of the main body portion 41, and matching grooves 43 located between the main body portion 41 and the matching portions 42, the main body portion 41 is formed with a plurality of through holes 44 and pivot shafts 45 located in the through holes 44, so that the upper side contact arms 21 can pass through the through holes 44 and match with the pivot shafts 45 in the through holes 44, and the matching grooves 43 are used for accommodating the positioning portions 15 to strengthen the mutual limiting between the pressing plate 40 and the insulating body 10. It should be noted that, the inner surface 48 of the pressing plate 40 is pressed against the FPC, the outer surface 46 of the pressing plate 40 is further formed with a step portion 47, the step portion 47 abuts against the supporting portion 14 of the top wall 11, when the pressing plate 40 is in the open state, the step portion 47 abuts against the supporting portion 14, due to the existence of the step portion 47, the contact surface between the pressing plate 40 and the supporting portion 14 becomes larger, a more reliable and firm abutting relationship can be realized between the two, the strength of the pressing plate 40 is increased, and the pressing plate is not easily damaged in the opening and closing operations.

It should be mentioned that, in order to make the pressing plate 40 have the efficacy of latching the FPC, the inner surface of the pressing plate 40 is provided with a latching protrusion 49 protruding toward the bottom wall 12, and correspondingly, the bottom wall 12 is provided with a through hole 120 accommodating the latching protrusion 49. In addition, in order to enable the FPC to be more smoothly inserted into the insertion groove S, an inclined guide surface 123 is provided at a front side edge of the limit protrusion 122.

The utility model discloses improve the structure of clamp plate, utilize mutually supporting of through hole 120 on the hasp projection 49 of clamp plate 40 internal surface and the insulator diapire, not only increased the reliability of being connected between clamp plate 40 and the insulator 10, still can carry out the hasp spacing to the flexible line way board for clamp plate 40, insulator 10 and FPC flexible line way board three can be more reliable firm combination be in the same place. Additionally, the utility model discloses still utilize the step portion 47 of clamp plate 40 surface 46, support and lean on the roof 11 of insulator 10 for clamp plate 40 and roof 11 are difficult for taking place the damage at the butt in-process, have further increased holistic intensity and connection reliability.

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 flexible line way board electric connector, includes insulator, accepts a plurality of terminals in insulator and installs the clamp plate on insulator, insulator is equipped with a roof, a diapire and a pair of lateral wall, be formed with the inserting groove that holds flexible line way board between diapire and the lateral wall, its characterized in that: the pressing plate is provided with an inner surface and an outer surface, the inner surface of the pressing plate is provided with a locking convex column protruding towards the bottom wall, the bottom wall is provided with a through hole for accommodating the locking convex column and a limiting convex part located on the front side of the through hole, and the through hole penetrates through the bottom wall in the vertical direction.

2. The flexible wiring board electrical connector of claim 1, wherein: the limiting convex part protrudes upwards from the surface of the bottom wall and is positioned at the front side edge of the bottom wall, and an inclined guide surface is arranged at the front side of the limiting convex part.

3. A flexible wiring board electrical connector as in claim 2 wherein: the pressing plate is provided with a main body part, matching parts positioned at two ends of the main body part and matching grooves positioned between the main body part and the matching parts, and a plurality of through holes and pivot shafts positioned in the through holes are formed in the main body part.

4. A flexible wiring board electrical connector as in claim 3 wherein: the top wall is provided with a pair of positioning parts which protrude forwards to the upper part of the insertion groove, and the positioning parts protrude forwards from the front side edge of the top wall to be in limit fit with the matching grooves of the pressing plate.

5. The flexible wiring board electrical connector of claim 4, wherein: the front side edge of the top wall is also provided with an inclined surface positioned at the rear side of the positioning part, and the inclined surface is formed by obliquely extending from top to bottom and is integrally connected with the side wall.

6. The flexible wiring board electrical connector of claim 5, wherein: the positioning part and the through hole are correspondingly arranged in the front-back direction.

7. A flexible wiring board electrical connector as in any one of claims 1 to 6 wherein: the outer surface of the pressing plate is provided with a step part which is abutted and matched with the top wall.

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