CN2395400Y - Electric connector - Google Patents

Abstract

The electric connector of the utility model includes an insulating body, a conductive terminal, a shielding member and a press-in piece, etc., wherein the insulating body is provided with a plurality of slots with a plurality of terminals, and the inner walls of the guide grooves at the two opposite ends of the slot are provided with There is a buckling part; and the shielding member is covered outside the insulating body, and has a first surface and a second surface with a grounding piece; the press-fit part is provided with a main body and connecting parts arranged at two opposite ends of the main body, The connection part is provided with an elastic arm, on which a guide part and a buckle part are integrally protruded, and a slope-shaped rib body is provided on one side of the buckle part, which can be used to enhance the rigidity of the buckle part and facilitate the connection with the buckle part. The buckling parts of the guide grooves are buckled together.

Description

electrical connector

The utility model relates to an electrical connector, in particular to an electrical connector for electrically connecting a flexible printed circuit board (Flexible Printed Circuit, FPC) and other electronic devices.

China Taiwan Patent Application No. 84218005 discloses an electrical connector, as shown in Figure 6, which includes structures such as an insulating body 61, a conductive terminal 62, and a drive plate 63, wherein the insulating body 61 is provided with a longitudinally shaped plug The groove 611 is used to accommodate a flexible printed circuit board (not shown) inserted therein, and a plurality of conductive terminals 62 are fixed in the insulating body 61, and the driving board 63 is provided with a fitting portion 631 combined with the insulating body 61 The end of the fitting part 631 is provided with a J-shaped hook 632. After the drive plate 63 slides into the fitting hole 612, the fitting part 631 uses its own elastic force to make the J-shaped hook 632 on the insulating body fasten. The hole 613 further fixes the driving board in the slot 611 , so the flexible printed circuit board is electrically connected to the conductive terminal 62 . Just because the J-shaped hook 632 protrudes outwards, its assembly efficiency is low under the premise of satisfying the assembly accuracy and the rigidity of the fitting part 631, and after repeated insertion and extraction, the J-shaped hook 632 is easy to be worn or covered. The shielding member (not shown) covering the insulating body is scratched, and even after the flexible printed circuit board is inserted, the J-shaped hook 632 is broken and loses the fixing function, and the electrical connection between the flexible printed circuit board and other electronic devices cannot be realized. the goal of.

The purpose of the utility model is to provide an electrical connector to simplify the assembly process, prolong its service life, and make it closely bonded to the insulating body.

The purpose of this utility model is achieved through the following technical solutions, which include an insulating body, a conductive terminal, a shielding member, and a press-in piece. Each part is provided with a guide groove, and a buckling part is provided on the inner wall of the guide groove. The shielding member covers the outside of the insulating body, and the press-fit part has a main body and connecting parts arranged at two opposite ends of the main body. The connecting part includes a columnar elastic arm, which can be accommodated in the aforementioned guiding groove and can slide appropriately along the guiding groove, wherein a slope-shaped guiding portion protrudes from the outer surface of the elastic arm, A rib body extending obliquely toward the outer surface of the elastic arm protrudes integrally from one side edge of the guide part, and the buckle part is arranged between the rib body and the back surface of the guide part. After the flexible printed circuit board is inserted into the slot, the press-in piece is pressed into the slot, and the buckle part cooperates with the buckle part in the guide groove to realize the electrical connection between the printed circuit board and the conductive terminal. sexual connection.

Compared with the prior art, the utility model can improve the assembly efficiency, enhance the rigidity of the connecting part, prolong the service life of the electrical connector, and enable the electrical connector of the utility model to closely and electrically connect the flexible printed circuit board and other electronic devices. device.

The utility model will be further described below in conjunction with the drawings and preferred embodiments.

Fig. 1 is a three-dimensional exploded view of the electrical connector of the present invention.

Fig. 2 is a three-dimensional assembled view of the electric connector of the present invention when the flexible printed circuit board is not connected.

Fig. 3 is a sectional view along line III-III in Fig. 2 .

Fig. 4 is a three-dimensional assembled view of the electrical connector of the present invention after joining the flexible printed circuit board.

Fig. 5 is a cross-sectional view along line V-V in Fig. 4 .

FIG. 6 is an exploded perspective view of a conventional electrical connector with a J-shaped hook.

Please refer to Fig. 1, the electrical connector of the utility model comprises an insulating body 1, a conductive terminal 2, a shielding member 3 and a press-fit part 4, wherein the insulating body 1 is provided with a docking surface 11 which is docked with a complementary connector, and in the docking The other side opposite to the surface 11 is provided with a joint surface 12, and a longitudinal slot 13 with a certain width is integrally recessed from the joint surface 12 into the insulating body 1, and the slot 13 penetrates through the two longitudinal inner wall surfaces of the insulating body 1. Several terminal receiving grooves 131 are provided. The two opposite sides of the slot 13 of the insulating body 1 are provided with a guide groove 14 with a certain width, and a buckling portion 141 protrudes from the inner side wall of the guiding groove 14, and the two sides of the insulating body 1 are vertically long. A groove 15 with a certain width is recessed on the outer surface of the end, and a concave surface 16 is provided in the middle of the upper surface 17 .

The conductive terminal 2 is made by integrally bending and forming a sheet metal body, which includes a butt joint part 21, a plug joint part 22 and an interference part 23 for fixing the terminal 2 in the insulating body 1, wherein the butt joint part 21 is used for butt joint The terminals of the electronic components (not shown) are butted and connected. The socket part 22 is composed of upper and lower elastic pieces 221 and 222 opposite to each other, so as to be electrically connected with corresponding components on the flexible printed circuit board 5 .

The shielding member 3 is integrally covered on the outer side of the insulating body 1, and it includes a first surface 31 and a second surface 32, wherein the first surface 31 integrally protrudes along the butt joint direction with an interference surface 311, and the interference surface 311 can be arranged on the insulating body. The concave surface 16 of the upper surface 17 cooperates to assemble the insulating body 1 and the shielding member 3, and three interference pieces 312 arranged in a line are punched on the interference surface 311 to hold the mating connector. The first surface 31 and the second surface 32 are connected by a connecting piece 36 , and can be connected with corresponding structures on the press-fit part 4 by means of the connecting piece 36 to simplify assembly (to be described later). The shielding member 3 is punched with an abutment piece 35 on its two longitudinal end side surfaces relative to the grooves 15 of the two longitudinal end examples of the insulator body 1, and the abutment piece 35 is in contact with the groove 15 on the insulator body 1. Even out. In addition, the shielding member 3 is further integrally bent and extended upward on one side of the second surface 32 to form a plate-shaped grounding piece 34 , wherein the grounding piece 34 is connected to the second surface 32 by a blocking piece 33 of an appropriate size.

The press-fit part 4 is integrally formed by an insulating material, and it includes a main body 41 and connecting parts 45 located at two opposite ends of the main body 41, wherein the main body 41 is in the shape of a flat plate, and it is opposite to the shielding member 3 A notch 43 approximately as wide as the blocking piece 33 is recessed inwardly at the blocking piece 33 to accommodate the blocking piece 33 . Wherein, the main body portion 41 integrally protrudes downward from the outer edge in the joining direction, and has a raised portion 42 with a certain thickness. The body part 41 protrudes integrally from the outer side of the notch 43 and is provided with a stopper 44 , which blocks the further forward movement of the press-fit part 4 after being inserted into the insulating body 1 . The connecting portion 45 is disposed outside the two longitudinal ends of the main body 41, and includes an elastic arm 453 bent and extended from the outer side of the end, and an integrally formed guide portion 452 is provided at an appropriate position on the elastic arm 453 , buckle part 451 and rib body 454, wherein the guide part 452 protrudes from the outer surface of the elastic arm 453 and extends to form a slope, and the upper edge of the guide part 452 integrally protrudes to an appropriate length and is provided with a certain thickness The rib body 454 and the locking portion 451 are disposed between the rib body 454 and the back of the slope-shaped guiding portion 451 . There is a gap 46 between the elastic arm 453 and the main body 41 , which can maintain good elasticity of the elastic arm 453 , and guide the insulating body 1 to assemble the press-fit part 4 by means of the guide portion 452 and the rib body 454 successively. After the connecting part 45 slides into the corresponding guide groove 14 in the insulating body 1, with the help of the elastic force of the elastic arm 453, the buckle part 451 acts on the buckling part 141 in the insulating body 1, and then holds the press-fit part 4 on the insulating body. Ontology 1.

Please refer to FIG. 2 again. When assembling, the press-fit part 4 is assembled and fixed in the shielding member 3 along the docking direction, and the blocking piece 33 on the shield member 3 is tightly accommodated in the gap 43 on the press-fit part 4. . With the help of the guide portion 452 and the rib body 454 of the press fitting 4 in turn, the front end of the elastic arm 453 slides over the connecting piece 36 and protrudes outside the shielding member 3, and makes the grounding piece 34 of the shielding member 3 close to the press. On the surface of one example of the main body part 41 of the inserting part 4, the shielding member 3 that has been assembled with the press-in part 4 is further assembled with the insulating body 1 along the docking direction, so that the shielding member 3 is covered and held on the outside of the insulating body 1, and The abutting pieces 35 provided at both ends of the shielding member 3 are abutted against the grooves 15 on the insulating body 1 .

Please refer to Figure 3, when the flexible printed circuit board is not inserted into the electrical connector of the utility model, the press-fit part 4 is in the opening and closing position, please refer to Figure 4 and Figure 5 again, when the flexible printed circuit board is assembled into the utility model When in the new electrical connector, the flexible printed circuit board 5 is first inserted into the gap formed by the ground plate 34 and the upper wall of the slot 13 along the butt joint direction. Push the press-fit piece 4 along the docking direction, and it successively uses the rib body 454 on the elastic arm 453 and the guide part 451 to guide the press-fit piece 4 between the second surface 32 of the shielding member 3 and the ground piece 34. The formed wedge-shaped space moves into the insulating body 1. After moving for a certain distance, the stopper 44 on the press-fit part 4 abuts against the outer edge of the insulating body 1, and is connected to the insulating body 1 by means of the buckle part 452 of the press-fit part 4. The buckling part 141 of the inner guide groove 14 is buckled, and the press-fit part 4 is fixed in the insulating body 1, and the grounding piece 34 is stretched out by means of the raised part 42, so that the grounding part set on the flexible printed circuit board 5 The circuit 51 is in close contact with the ground plate 34 to form a grounding insertion circuit, and the conductive circuit 52 provided on the other side is in contact with the conductive terminal 2 provided by the electrical connector of the present invention to form an electrical connection.

Claims (10)

1. electric connector, comprise insulating body, conducting terminal, insulating body is concaved with a slot on its lengthwise surface, and be inserted in the part that is pressed in the slot of insulator, it is characterized in that: this is pressed into the connecting portion that part is provided with lengthwise tabular main part and is located at its two ends, connecting portion comprises the elastic arm that is the lengthwise column, wherein protrude on the elastic arm outer surface and extend the guidance part that is a ramped shaped, and a lateral margin one of self-aiming portion convexes with towards the floor body of the oblique extension of elastic arm outer surface, clamping part then is located between the floor body and the guidance part back side, and the slot two opposite end portions of insulating body respectively are provided with the guide channel of tool certain width.

2. electric connector as claimed in claim 1 is characterized in that: terminal containing slot is to set in a row at least one lengthwise internal face of this slot, and runs through insulating body along the butt joint direction.

3. electric connector as claimed in claim 1 is characterized in that: main part becomes the edge one to protrude the bed hedgehopping portion that is provided with downwards along the outside of direction of engagement.

4. electric connector as claimed in claim 3 is characterized in that: the madial wall of guide channel is convexly equipped with the holding part of corresponding described clamping part.

5. electric connector as claimed in claim 4 is characterized in that: shading member is coated on the insulating body outside, and it includes first surface and second surface.

6. electric connector as claimed in claim 5, it is characterized in that: shading member is provided with catch and ground strip, this catch upwards bends to extend from second surface and forms, and ground strip is from being formed with a space when sheet bends to extend in the slot and with first surface along the butt joint direction.

7. electric connector as claimed in claim 6 is characterized in that: be pressed into part and be provided with and the rough wide breach of ground strip.

8. electric connector as claimed in claim 7 is characterized in that: shading member is provided with the brace that connects first surface and second surface.

9. electric connector as claimed in claim 8 is characterized in that: dash side by side on the interference surface of shading member and be provided with several interference piece and its two sides upper punch is provided with stopping plate.

10. electric connector as claimed in claim 9 is characterized in that: be concaved with on the upper surface of insulating body on a concave face and its two lateral wall and be concaved with groove.

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