CN115207680A

CN115207680A - Electrical connector

Info

Publication number: CN115207680A
Application number: CN202210734009.XA
Authority: CN
Inventors: 吴永发; 吴祝平; 朱芹; 方志宏
Original assignee: Drapho Electronics Technology Co ltd
Current assignee: Drapho Electronics Technology Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-10-18

Abstract

The invention provides an electric connector which comprises an insulating body, a plurality of terminals accommodated in the insulating body and a rotary pressing plate assembled on the insulating body, wherein the insulating body is provided with a bottom wall, a pair of side walls and a rear end wall, an inserting groove for accommodating a plug connector is formed among the bottom wall, the side walls and the rear end wall, the rotary pressing plate is provided with a pivoting groove and a pivoting shaft positioned in the pivoting groove, the terminals are provided with an upper arm and a lower arm which are vertically distributed, the upper arm and the lower arm are positioned above the inserting groove, and the lower arm is provided with a contact convex part which protrudes downwards and is pressed on the plug connector. Compared with the prior art, the terminal structure is improved, the top edge of the terminal lower arm is used for supporting the pivot shaft, and the bottom edge of the lower arm is pressed downwards onto the plug connector, so that the pressing contact is realized, an upper contact structure with the upper arm and the lower arm both positioned above the plug connector is formed, the spatial layout under certain application scenes is improved, and the arrangement of wire arrangement and routing is facilitated.

Description

Electrical connector

Technical Field

The invention relates to the field of electrical connection, in particular to an electrical connector.

Background

With the trend of miniaturization and lightness of consumer electronic products such as notebooks, tablet computers, mobile phones, etc., the requirements on the design and manufacturing process of the components are higher and higher, and as the products are gradually lightened and thinned, the internal space of the products becomes very narrow, so that the layout of the electrical elements on the circuit board is very dense. Taking an FPC flexible cable/flexible printed circuit board electrical connector as an example, a certain cable space needs to be reserved after the electrical connector is mounted on a circuit board, otherwise, the FPC flexible cable is difficult to route, while the existing FPC electrical connector generally adopts a lower contact type terminal structure, that is, a contact arm of a terminal is usually arranged below the FPC flexible cable, and the FPC flexible cable is pressed down through the overturning operation of a rotary pressing plate, so that the lower surface of the FPC flexible cable is in compression contact with the contact arm below the FPC flexible cable. However, in some application scenarios, the lower contact type terminal structure is easy to cause certain inconvenience to the wiring.

Disclosure of Invention

The invention provides an electrical connector to solve the technical problem that the wiring space is not optimized enough in some use scenes in the prior art.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides an electric connector, includes insulator, accepts a plurality of terminals in insulator and assembles the clamp plate that changes on insulator, insulator is equipped with diapire, a pair of lateral wall and rear end wall, be formed with the inserting groove that holds a plug connector between diapire, lateral wall and the rear end wall, the clamp plate is equipped with pivot groove and is located the pivot axle of pivot inslot, the terminal is equipped with an upper arm and a underarm that distributes about being, upper arm and underarm all are located the top of inserting groove, the underarm be equipped with the downwardly protruding stretch and the crimping in contact convex part on the plug connector.

Further, a slit for holding the pivot shaft is formed between the lower arm and the lower arm, a top edge of the lower arm is formed with a receiving recess for receiving the pivot shaft, and the contact protrusion is formed on a bottom edge of the lower arm.

Further, the lower arm of the terminal is an elastic arm, and the lower arm supports the pivot shaft upward.

Furthermore, the terminal is also provided with a sheet-shaped main body and supporting legs extending forwards from the main body, the main body is vertically arranged and clamped in the rear end wall, and the upper arm horizontally extends forwards from the rear and is provided with a straight top edge and a straight bottom edge; the supporting legs are completely accommodated in the rear end wall and do not protrude into the insertion groove, the supporting legs are shorter than the upper arm and the lower arm, and the bottom edges of the supporting legs are pressed on the bottom wall.

Furthermore, the two ends of the rotary pressing plate are provided with a convex shaft protruding outwards and a locking part located on the front side of the convex shaft, the side wall of the insulating body is provided with a groove for accommodating the convex shaft and a buckling lug matched with the locking part in a buckling mode, and the buckling lug is located above the groove.

Furthermore, the electric connector further comprises a pair of fixing parts, each fixing part is provided with a strip-shaped base part, a folded piece protruding upwards from the top edge of the base part and an installation part bending and protruding outwards from the bottom edge of the base part, and the folded piece protrudes into the groove to limit the rotating shaft.

Further, the distance between the upper arm and the lower arm is smaller than the distance between the lower arm and the bottom wall.

Furthermore, two sides of the bottom wall of the insulating body are provided with a pair of upward protruding blocking walls and positioning holes located on the inner sides of the blocking walls, and fixing grooves are formed between the blocking walls and the side walls.

Furthermore, the rotary pressing plate is provided with a top surface and a bottom surface, a concave part is arranged on the top surface, the concave part is in abutting fit with the rear end wall, a pair of convex locking convex parts are arranged on the bottom surface, and the locking convex parts are correspondingly matched with the positioning holes.

Furthermore, the positioning hole penetrates through the bottom wall up and down.

Compared with the prior art, the terminal structure is improved, the top edge of the terminal lower arm is used for supporting the pivot shaft, and the bottom edge of the lower arm is pressed downwards onto the plug connector, so that the pressing contact is realized, an upper contact structure with the upper arm and the lower arm both positioned above the plug connector is formed, the spatial layout under certain application scenes is improved, and the arrangement of wire arrangement and routing is facilitated.

Drawings

Fig. 1 is a perspective view of the electrical connector of the present invention in an open state of the rotating platen.

Fig. 2 is a perspective view of the electrical connector of the present invention with the pressure plate closed.

Fig. 3 is an exploded perspective view of the electrical connector of the present invention.

Fig. 4 is a cross-sectional view of the electrical connector of the present invention in two operating states of the transfer plate.

Fig. 5 is a cross-sectional view of the electrical connector of the present invention.

Detailed Description

Referring to fig. 1 to 5, the present invention provides an electrical connector 100, which includes an insulating body 10, a plurality of terminals 20 accommodated in the insulating body 10, a pair of fixing members 30 installed at two ends of the insulating body 10, and a rotating pressing plate 40 installed on the insulating body 10, wherein a plug 200 (such as an FPC/FFC flexible board, a flexible cable array, or a flexible circuit board) is inserted into the insulating body 10, and the terminals 20 and the plug are electrically contacted, and the rotating pressing plate 40 is turned to open and close, so as to compress or release the plug 200. The structures of the foregoing respective components are explained in detail below.

The insulating body 10 has a bottom wall 11, a pair of side walls 12 and a rear end wall 13, and a slot 14 is formed among the bottom wall, the side walls 12 and the rear end wall 13 for accommodating the plug connector. The bottom wall 11 is formed with a plurality of slots 110 arranged in parallel, a pair of positioning holes 111 located at two sides of the slots 110, and a pair of blocking walls 112 located outside the positioning holes 111, the slots 110 extend forward from the rear end wall 13 to the front edge of the bottom wall 11, the positioning holes 111 penetrate through the bottom wall 11 downward for matching with the rotary press plate 40, the blocking walls 112 are formed by protruding upward from the bottom wall 11 and are lower than the side walls 12, the blocking walls 112 are arranged adjacent to the positioning holes 111 and block outside the positioning holes 111, and the inner sides of the blocking walls 112 form the plugging area of the plug connectors 200, so that the blocking walls 112 have certain limiting and guiding effects. The side wall 12 is formed by horizontally extending from two ends of the rear end wall 13 forward, and is located outside the blocking wall 112, a fixing groove 15 for clamping the fixing member 30 is formed between the side wall 12 and the blocking wall 112, the fixing groove 15 horizontally extends along the front-rear direction, in addition, a groove 120 facing the insertion groove 14 and a buckling bump 121 located above the groove 120 are arranged on the inner wall surface of the side wall 12, the groove 120 can provide a certain space for the fixing member 30, so that a part of the fixing member 30 can extend into the groove 120, meanwhile, the groove 120 is also used for installing the rotating-pressing plate 40, and the buckling bump 121 is formed by protruding inward from the inner wall surface of the side wall 12 and is used for clamping two side edges of the rotating-pressing plate 40, thereby locking the rotating-pressing plate 40. The rear end wall 13 is connected between the pair of side walls 12 for fixing the plurality of terminals 20.

The rotating and pressing plate 40 extends lengthwise and is installed right above the insertion groove 14, and two ends of the rotating and pressing plate 40 are provided with a protruding shaft 41 protruding outward and a locking part 42 located at the front side of the protruding shaft 41, the protruding shaft 41 is used for being clamped in the groove 120 on the side wall 12, so that the two ends of the rotating and pressing plate 40 are well fixed and limited, and a guarantee is provided for stable turning operation of the rotating and pressing plate 40, and the locking part 42 is used for being in snap fit with the snap lug 121, preferably, the locking part 42 protrudes outward from the two ends of the rotating and pressing plate 40 and is arranged adjacent to the front edge of the rotating and pressing plate 40, and the protruding shaft 41 is located at the rear side of the rotating and pressing plate 40 and is arranged adjacent to the rear edge of the rotating and pressing plate 40, therefore, the protruding shaft 41 and the locking part 42 are distributed on the side of the rotating and pressing plate 40 along the front and back direction for being respectively matched with the groove 120 and the snap lug 121, and thus realizing installation and matching of the rotating and pressing plate 40 and the insulating body 10. In addition, a plurality of pivoting grooves 43 and pivoting shafts 44 located in the pivoting grooves 43 are formed on the rear side edge of the pivoting plate 40, the pivoting grooves 43 vertically penetrate through the pivoting plate 40 and are used for accommodating the terminals 20, the pivoting shafts 44 are used for being matched with the terminals 20 and enabling the pivoting plate 40 to realize a turning operation, and preferably, the pivoting shafts 44 are in a cam shape, an oval shape or an oblate shape, so that the height dimension of the pivoting shafts in the vertical direction can be changed in the turning process, and the height dimension of the pivoting shafts can be pressed on the terminals 20. It should be noted that, in order to achieve good limiting, a recessed portion 45 is disposed on the top surface of the rotating-pressing plate 40 and is used for abutting against the rear end wall 13 of the insulating body 10 in the turned-open state, a pair of protruding locking protrusions 46 is disposed on the bottom surface of the rotating-pressing plate 40, the locking protrusions 46 are correspondingly matched with the positioning holes 111 on the bottom wall 11 of the insulating body 10, and when the rotating-pressing plate 40 is in the closed state, the locking protrusions 46 pass through bayonets (not shown) on two sides of the plug connector and protrude into the positioning holes 111, so as to achieve limiting of the plug connector 200 and prevent the plug connector from being dragged out of the plug slot 14.

The terminal 20 has a body 21, an upper arm 22 and a lower arm 23 extending forwardly from the body 21, and a soldering arm 24 extending rearwardly from the body 21. The main body 21 is in a sheet shape and is vertically arranged, and is used for being clamped in the rear end wall 13 of the insulating body 10 to realize a fixing and limiting effect. The upper arm 22 extends horizontally from the back to the front and is provided with a straight top edge and a straight bottom edge, the top edge is clamped by the rear end wall 13, and the upper arm 22 passes through the pivot groove 43 and is positioned above the pivot shaft 44 so as to limit the vertical direction of the pivot shaft 44. The lower arm 23 is located right below the upper arm 22 and has a top edge and a bottom edge, the top edge of the lower arm 23 is located toward the upper arm 22 and has a receiving recess 25 recessed downward to receive the pivot shaft 44, the bottom edge of the lower arm 23 is located toward the bottom wall 11 of the insulating housing 10 and has a contact protrusion 26 protruding downward to be in press contact with the plug connector 200, the lower arm 23 is a suspended arm without blocking below, a slit 27 is formed between the lower arm 23 and the upper arm 22, the width of the slit 27 (i.e., the distance between the upper arm 22 and the lower arm 23) is smaller than the distance between the lower arm 23 and the bottom wall 11, the pivot shaft 44 is held in the slit 27 and located in the receiving recess 25, the upper arm 22 and the lower arm 23 are located above and below the pivot shaft 44, respectively, and due to the special shape of the pivot shaft 44, the slit between the upper arm 22 and the lower arm 23 is forced to be spread by the pivot shaft 44 during the overturning of the pivot shaft 44, so that the lower arm 23 is pressed downward to clamp the plug connector 200 in the slot 14. It should be noted that, in order to increase the stability and reliability of the main body 21, the terminal 20 is further provided with a supporting leg 28 extending forward from the bottom of the main body 21, a bottom edge of the supporting leg 28 abuts against the bottom wall 11 to increase a contact area between the main body 21 and the bottom wall 11, the supporting leg 28 is shorter than the upper arm 22 and the lower arm 23, and the supporting leg 28 is located in the rear end wall 13 and does not protrude into the insertion groove 14.

The fixing member 30 has an elongated base 31, a flap 32 protruding upward from the top edge of the base 31, and a mounting portion 33 bending and protruding outward from the bottom edge of the base 31, the base 31 extends in the front-back direction and is inserted into the fixing groove 15 to achieve fixing and limiting with the insulating body 10, the flap 32 and the mounting portion 33 both bend and extend toward the same side of the base 31, the flap 32 protrudes from the base 31 out of the fixing groove 15 and further protrudes into the groove 120 of the sidewall 12 to block the protruding shaft 41 of the pressing plate 40 in the forward direction, so as to prevent the protruding shaft 41 from sliding and displacing forward in the groove 120. The mounting portion 33 is for soldering to a circuit board.

In the using process, the rotating and pressing plate 40 has two operation states of opening and closing, the rotating and pressing plate can be turned over between the two states, when the plug connector 200 is inserted into the plug slot 14, the rotating and pressing plate can be turned over to the closed state, the lower arm 23 presses the plug connector 200 to be contacted simultaneously, otherwise, when the plug connector 200 needs to be pulled out of the plug slot 14, the rotating and pressing plate 40 can be turned over to the open state, at the moment, the lower arm 23 releases the pressure connection of the plug connector 200, as shown in fig. 4, the pivot shaft 44 is simultaneously clamped by the interference of the upper arm 22 and the lower arm 23 in the closed state of the rotating and pressing plate 40, and the pivot shaft 44 is only in interference contact with the lower arm 23 in the open state of the rotating and pressing plate 40.

In summary, the terminal 20 structure of the present invention is improved, the top edge of the lower arm 23 of the terminal 20 is used to support the pivot shaft 44, and the bottom edge of the lower arm 23 is used to press down on the plug 200 to achieve the press contact, such that the upper arm 22 and the lower arm 23 of the terminal 20 are both located above the plug, and form an upper contact type manner to press against the lower plug 200, compared with the prior art, the present invention is more beneficial to the optimization of space, and is more beneficial to the spatial arrangement of flat cable routing in some application scenarios.

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 present invention without departing from the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides an electric connector, includes insulator, accepts a plurality of terminals in insulator and assembles the commentaries on classics clamp plate on insulator, insulator is equipped with diapire, a pair of lateral wall and rear end wall, be formed with the inserting groove that holds a plug connector between diapire, lateral wall and the rear end wall, the commentaries on classics clamp plate is equipped with pivot groove and is located the pivot axle of pivot inslot, its characterized in that: the terminal is provided with an upper arm and a lower arm which are vertically distributed, the upper arm and the lower arm are both positioned above the inserting groove, and the lower arm is provided with a contact convex part which protrudes downwards and is pressed on the inserting piece.

2. The electrical connector of claim 1, wherein: a slit for clamping the pivot shaft is formed between the lower arm and the lower arm, a top edge of the lower arm is formed with a receiving concave part for receiving the pivot shaft, and the contact convex part is formed at the bottom edge of the lower arm.

3. The electrical connector of claim 1, wherein: the lower arm of the terminal is a resilient arm, and the lower arm supports the pivot shaft upwardly.

4. The electrical connector of claim 1, wherein: the terminal is also provided with a sheet-shaped main body and supporting legs extending forwards from the main body, the main body is vertically arranged and clamped in the rear end wall, and the upper arm horizontally extends forwards from the rear and is provided with a straight top edge and a straight bottom edge; the supporting legs are completely accommodated in the rear end wall and do not protrude into the insertion groove, the supporting legs are shorter than the upper arm and the lower arm, and the bottom edges of the supporting legs are pressed on the bottom wall.

5. The electrical connector of claim 1, wherein: the improved structure of the insulation body is characterized in that convex shafts protruding outwards and locking parts located on the front sides of the convex shafts are arranged at two ends of the rotary pressing plate, grooves for containing the convex shafts and buckling convex blocks matched with the locking parts in a buckling mode are arranged on the side wall of the insulation body, and the buckling convex blocks are located above the grooves.

6. The electrical connector of claim 5, wherein: the electric connector also comprises a pair of fixing pieces, each fixing piece is provided with a strip-shaped base part, a folded piece protruding upwards from the top edge of the base part and a mounting part bending and protruding outwards from the bottom edge of the base part, and the folded piece protrudes into the groove to limit the protruding shaft.

7. The electrical connector of any one of claims 1 to 6, wherein: the distance between the upper arm and the lower arm is smaller than the distance between the lower arm and the bottom wall.

8. The electrical connector of claim 7, wherein: the two sides of the bottom wall of the insulating body are provided with a pair of upward convex blocking walls and positioning holes positioned on the inner sides of the blocking walls, and fixing grooves are formed between the blocking walls and the side walls.

9. The electrical connector of claim 8, wherein: the rotary pressing plate is provided with a top surface and a bottom surface, a concave part is arranged on the top surface, the concave part is abutted against and matched with the rear end wall, a pair of raised locking convex parts are arranged on the bottom surface, and the locking convex parts are correspondingly matched with the positioning holes.

10. The electrical connector of claim 9, wherein: the positioning hole vertically penetrates through the bottom wall.