CN220358435U - Electric connector - Google Patents

Abstract

The utility model provides an electric connector, which comprises an insulating body and a plurality of terminals accommodated in the insulating body, wherein the insulating body comprises a bottom wall, a front end wall, a pair of side walls and an accommodating cavity for accommodating a plug-in component, and the electric connector also comprises a pair of side locking pieces fixed on the side walls and a front locking piece arranged on the front end wall; the side end locking piece is provided with a main arm extending vertically and a clamping hook part formed by bending the top of the main arm laterally, and the clamping hook parts are positioned at two sides of the accommodating cavity; the front-end locking piece comprises a locking arm, a limiting hook part formed by bending a side direction is arranged at the top of the locking arm, and the limiting hook part is positioned at the front side of the accommodating cavity and protrudes into the accommodating cavity. The front-end locking piece and the side-end locking piece are used for locking and fixing the plug-in assembly in multiple directions, so that the utility model can adapt to the application scene of vertically installing the plug-in assembly, and can solve the problem that the plug-in assembly cannot be horizontally plugged due to the relatively limited space while improving the installation reliability and the firmness.

Description

Electric connector

Technical Field

The present disclosure relates to electrical connectors, and particularly to an electrical connector.

Background

The flexible circuit board FPC (Flexible Printed Circuit) is a component commonly used in digital products such as mobile phones and computers, has the advantages of good flexibility, light weight, thin thickness and the like, and is also a flexible flat cable FFC (Flexible Flat Cable), and the two components have similar use scenes and function purposes. Under the actual use situation, the flexible circuit board FPC and the flexible flat cable FFC can be electrically connected with other components only by the aid of the electric connector. For convenience in description, the flexible circuit board FPC and the flexible flat cable FFC are collectively called as a flexible board, and an existing electrical connector generally comprises an insulating body, a terminal accommodated in the insulating body and a rotating plate pivotally matched with the insulating body, wherein the flexible board is inserted into the insulating body through overturning the rotating plate, and the flexible board is crimped or clamped by the terminal, so that electrical contact between the terminal and the flexible board is realized, and when the flexible board needs to be pulled out, the rotating plate needs to be rotated in the opposite direction to be in an opened state, and then the flexible board needs to be pulled out. However, whether insert insulator or extract insulator, the flexible soft board all need carry out plug operation along the horizontal direction, this has increased not little operation degree of difficulty to the application scenario that some spaces are relatively narrow, leads to inefficiency, and not only this, whole plug operation all need be accomplished by the manual work, and degree of automation is lower, has further influenced production efficiency's promotion, and the mode that utilizes the clamp plate to compress tightly the location to flexible soft board also has the problem that the locking force is not enough, easily becomes flexible moreover.

Disclosure of Invention

The utility model provides an electric connector, which is used for solving at least one of the problems of low assembly efficiency, insufficient locking force and the like in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme: an electric connector comprises an insulating body and a plurality of terminals accommodated in the insulating body, wherein the insulating body comprises a bottom wall, a front end wall and a pair of side walls, the bottom wall, the front end wall and the pair of side walls jointly enclose a containing cavity to contain a plug-in assembly, and the electric connector also comprises a pair of side locking pieces fixed on the pair of side walls and a front locking piece mounted on the front end wall; the side end locking piece is provided with a main arm extending vertically and a clamping hook part formed by bending the top of the main arm laterally, and the clamping hook parts are positioned at two sides of the accommodating cavity; the front-end latch comprises at least one pair of latch arms, the latch arms extend vertically, the top of each latch arm is provided with a limiting hook part formed by bending in a lateral direction, and the limiting hook part is positioned at the front side of the accommodating cavity and protrudes into the accommodating cavity.

Further, the clamping hook part is provided with a guiding top edge extending obliquely downwards and a pressing bottom edge perpendicular to the extending direction of the main arm, and the pressing bottom edge extends straight in the horizontal direction so as to be pressed on the plug-in component downwards.

Further, the side locking piece is further provided with an installation convex part protruding from two side edges of the main arm, and the installation convex part is clamped in the side wall of the insulating body.

Further, the limit hook part is provided with an upper guide bevel edge and a lower guide bevel edge which are distributed up and down, the upper guide bevel edge extends obliquely from top to bottom and protrudes into the accommodating cavity, and the lower guide bevel edge extends obliquely from bottom to top and protrudes into the accommodating cavity.

Further, the included angle between the upper guide inclined edge and the vertical direction is smaller than the included angle between the lower guide inclined edge and the vertical direction.

Further, the limiting hook part of each latch arm is biased to the same side of the latch arm.

Further, the number of the locking arms is three or more, the locking arms are distributed on the front end wall at equal intervals, and two adjacent locking arms are integrally connected through a connecting arm.

Further, the side wall of the insulating body is provided with a slot for accommodating the side locking piece, the slot penetrates through the side wall up and down and is provided with an opening for accommodating the clamping hook part, and the opening is arranged at one side of the slot in a deflection mode.

Further, the front end wall of the insulating body is provided with a through groove for accommodating the front-end locking piece, the through groove penetrates through the bottom wall downwards and is provided with an opening for accommodating the limit hook part, and the opening is biased to one side of the through groove and penetrates through the accommodating cavity.

Compared with the prior art, the front-end locking piece and the pair of side-end locking pieces are used for locking and fixing the plug-in component (such as the flexible soft board) in multiple directions, so that the device can adapt to the application scene of vertically installing the plug-in component, and can solve the problem that the plug-in component cannot be horizontally plugged due to the fact that the space is relatively limited while the installation reliability and the firmness are improved.

Drawings

Fig. 1 is a perspective view of an electrical connector according to the present utility model.

Fig. 2 is an exploded perspective view of the electrical connector according to the present utility model.

Fig. 3 is a schematic diagram of a side locking piece and a metal substrate of the electrical connector according to the present utility model.

Fig. 4 is a schematic view of the flexible board of the electrical connector before being assembled to the insulation body.

Fig. 5 is a schematic diagram of the front-end latch of the electrical connector and the metal substrate according to the present utility model.

Detailed Description

Referring to fig. 1 to 5, the present utility model provides an electrical connector, which includes an insulative housing 10, a plurality of terminals 20 accommodated in the insulative housing 10, a pair of side locking members 30 fixed on two sides of the insulative housing 10, a front locking member 40 mounted on a front side of the insulative housing 10, a pair of fixing members 50 inserted into a bottom surface of the insulative housing 10, and a plug assembly 60 inserted into the insulative housing 10, wherein the plug assembly 60 is inserted into the insulative housing 10 from top to bottom and is locked with the side locking members 30 and the front locking members 40, so as to be firmly and reliably limited in the insulative housing 10 and electrically contacted with the terminals 20 in the insulative housing 10, thereby ensuring stable and reliable electrical connection between the two locking members, and the pair of fixing members 50 are used for fixing the insulative housing 10 on a circuit board (not shown). The structure and function of the foregoing components are described in detail below.

The insulating body 10 includes a bottom wall 11, a front end wall 12 extending vertically upward from a front edge of the bottom wall 11, and a pair of side walls 13 extending vertically upward from two side edges of the bottom wall 11, where the bottom wall 11, the front end wall 12 and the pair of side walls 13 are integrally connected and jointly enclose a receiving cavity 14 for receiving the plug assembly 60. Wherein, a plurality of slots 15 are formed on the bottom wall 11 for accommodating the plurality of terminals 20 and fixing the terminals 20 on the bottom wall 11. The front end wall 12 is formed with a plurality of through slots 16 disposed toward the accommodating cavity 14, the through slots 16 penetrate through the bottom wall 11 from top to bottom for accommodating the front end locking member 40, preferably, the through slots 16 are provided with an opening a penetrating through the accommodating cavity 14, the opening a is disposed in an offset manner, that is, is disposed in a manner of being offset to one side of the through slots 16, and the openings a of the through slots 16 are disposed in a manner of being offset to the same side of the through slots 16. The pair of side walls 13 are located at two sides of the accommodating cavity 14, and each side wall 13 is formed with a yielding recess 131 and a stand column 132, which are adjacently disposed, the yielding recess 131 is formed by downwardly recessing from the top surface of the side wall 13 and is used for limiting and cooperating with the plugging component 60, the stand column 132 is formed with a slot 133 penetrating through the insulating body 10 from top to bottom and is used for accommodating the side locking piece 30, similarly, the slot 133 is also provided with an offset opening a, the opening a penetrates through the yielding recess 131, and the offset directions of the openings a of the two slots 133 on the pair of side walls 13 are opposite.

The terminals 20 are arranged at equal intervals and are inserted into the bottom wall 11 of the insulating body 10, each terminal 20 is provided with a fixing arm 21 and a contact arm 22 extending from the fixing arm 21 forwards and obliquely upwards, the fixing arm 21 is clamped in the slot hole 15 on the bottom wall 11, and the contact arm 22 protrudes upwards out of the surface of the bottom wall 11, so as to protrude into the accommodating cavity 14 and be used for electrically contacting with the plug assembly 60 in the accommodating cavity 14.

The pair of side locking pieces 30 are respectively locked in the upright posts 132 of the pair of side walls 13 and are received in the slots 133 of the upright posts 132, and the side locking pieces 30 are provided with a vertically extending elongated main arm 31, a hook portion 32 formed by bending the top of the main arm 31 laterally, and mounting protrusions 33 protruding from the edges of the two sides of the main arm 31. The main arm 31 and the mounting protrusion 33 form a cross structure, the main arm 31 is received in the slot 133, and is clamped and fixed in the slot 133 by the mounting protrusion 33, and the mounting protrusion 33 provides an interference force to fix the insulating body 10. The hook portion 32 is formed at one side of the main arm 31, and is received in the opening a of the slot 133 and further protrudes into the relief recess 131, for being in snap fit with the plug assembly 60 in the relief recess 131, specifically, the hook portion 32 is provided with a guiding top edge 321 extending obliquely downward, and a pressing bottom edge 322 perpendicular to the extending direction of the main arm 31, the guiding top edge 321 extends obliquely from top to bottom and protrudes into the relief recess 131, and the hook portion 32 can be guided to elastically retract or deform smoothly during the process of inserting the plug assembly 60 into the relief recess 131 from top to bottom, so that the inserting process of the plug assembly 60 is smoother, the pressing bottom edge 322 preferably extends straight in a horizontal direction, and after the plug assembly 60 is mounted in the relief recess 131, the hook portion 32 is elastically reset, and is directly pressed above the plug assembly 60 by the pressing bottom edge 322, thereby limiting the plug assembly 60 from being separated from the relief recess 131 upward (as shown in fig. 3).

The front locking piece 40 is inserted into the through groove 16 of the front end wall 12, preferably, the front locking piece 40 includes at least one pair of integrally connected locking arms 41, the number of the locking arms 41 is preferably three or more, and the locking arms 41 are integrally connected through the connecting arms 42 and are jointly inserted into the through groove 16, so that the process is simplified, and the purpose of reducing cost and enhancing efficiency is achieved. In addition, the latch arms 41 extend vertically, the top of the latch arms 41 is provided with a limiting hook 43 formed by bending one side, the limiting hooks 43 of different latch arms 41 are all formed on one side of the latch arms 41 and are arranged in an offset manner and are contained in an opening a of the through groove 16, and the limiting hook further protrudes into the containing cavity 14 through the opening a so as to be matched with the plug assembly 60 in the containing cavity 14 in a clamping manner, specifically, as shown in fig. 5, the limiting hook 43 is provided with an upper guide bevel 431 and a lower guide bevel 432 which are distributed vertically, the upper guide bevel 431 extends obliquely from top to bottom and protrudes out of the opening a so as to enter the containing cavity 14, and the lower guide bevel 432 extends obliquely from bottom to top so as to protrude out of the opening a so as to enter the containing cavity 14, preferably, the included angle between the upper guide bevel 431 and the vertical direction is smaller than the included angle between the lower guide bevel 432 and the vertical direction, so that the plug assembly 60 is more smoothly inserted in the up-down direction, and the plug assembly 60 is more convenient to unlock the latch assembly 60. Of course, alternatively, the latch arm 41 may be provided separately and independently, and the latch effect on the plug-in module 60 may be achieved, which is also within the scope of the present utility model.

The plugging assembly 60 comprises a metal substrate 61 and a flexible board 62 (such as FFC or FPC) pressed under the metal substrate 61, when assembling, the flexible board 62 is first inserted into the accommodating cavity 14 of the insulating body 10 from top to bottom and is pressed onto the contact arm 22 of the terminal 20, then the metal substrate 61 is pressed onto the flexible board 62, and the metal substrate 61 is in locking fit with the front-end locking piece 40 and the side-end locking piece 30, so as to compress and position the flexible board 62, and ensure the tight contact between the flexible board 62 and the terminal 20. The metal base plate 61 is provided with a horizontal pressing plate 63, a side cover plate 64 vertically bent from the front side edge of the horizontal pressing plate 63, and a top cover plate 65 horizontally bent and extended from the top of the side cover plate 64, the horizontal pressing plate 63 is in pressing connection with the flexible soft plate 62, a turned edge 631 is formed on the rear side edge of the horizontal pressing plate 63, the turned edge 631 is turned upwards and horizontally extended forward and is located above the horizontal pressing plate 63, the turned edge 631 is arranged to enable the rear side edge of the horizontal pressing plate 63 to be arc-shaped, so that friction or damage of the rear side edge to the surface of the flexible soft plate 62 can be reduced when the metal base plate 61 is turned and unlocked, preferably, a pair of positioning arms 66 protruding outwards are arranged on two sides of the horizontal pressing plate 63, the positioning arms 66 are sheet-shaped and integrally connected with the horizontal pressing plate 63, are arranged in the notch 131 from top to bottom, and the surface of the positioning arms 66 is also provided with a concave portion 67 for accommodating the bottom edge 322 of the clamping hook portion 32, so that the positioning arms 32 and the positioning arms 66 are more stably positioned in the mutual positioning relationship between the clamping arms 66 and the horizontal pressing plate 63. The side cover plate 64 is connected between the pressure welding plate 63 and the top cover plate 65, and the side cover plate 64 is formed with bayonets 68 corresponding to the limit hooks 43 one by one, so as to be fastened and fixed with the limit hooks 43, and the bayonets 68 extend vertically and further extend to the top cover plate 65, so that the fastening condition of the limit hooks 43 and the bayonets 68 can be observed from above, and the unlocking operation performed manually when necessary is facilitated. The top cover plate 65 extends horizontally and overlies the front end wall 12 of the insulator body 10, and preferably, the distal edge 651 of the top cover plate 65 projects forwardly beyond the side surface 121 of the front end wall 12 to facilitate associated manipulation of the top cover plate 65. Preferably, the side cover 64 is further provided with perforations 69 between the bayonets 68 to save material and reduce cost.

Therefore, the utility model optimizes the plugging mode of the flexible soft board 62 and the insulating body 10, assembles the flexible soft board 62 and the insulating body 10 in a top-down mode, and locks and fixes the metal substrate 61 of the flexible soft board 62 by utilizing the front locking piece 40 and the side locking piece 30.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make many possible variations and modifications to the technical solution of the present utility model using the above disclosed method without departing from the scope of the technical solution of the present utility model, which is defined in the claims.

Claims (9)

1. The utility model provides an electric connector, includes insulator, accommodates a plurality of terminals in insulator, insulator includes a diapire, a preceding end wall and a pair of lateral wall, diapire, preceding end wall and a pair of lateral wall enclose jointly and contain the chamber in order to hold a grafting subassembly, its characterized in that: the electrical connector further includes a pair of side locking members secured to the pair of side walls, a front locking member mounted to the front end wall; the side end locking piece is provided with a main arm extending vertically and a clamping hook part formed by bending the top of the main arm laterally, and the clamping hook parts are positioned at two sides of the accommodating cavity; the front-end latch comprises at least one pair of latch arms, the latch arms extend vertically, the top of each latch arm is provided with a limiting hook part formed by bending in a lateral direction, and the limiting hook part is positioned at the front side of the accommodating cavity and protrudes into the accommodating cavity.

2. The electrical connector of claim 1, wherein: the clamping hook part is provided with a guide top edge extending obliquely downwards and a pressing bottom edge perpendicular to the extending direction of the main arm, and the pressing bottom edge extends straight in the horizontal direction so as to be pressed on the plug-in component downwards.

3. The electrical connector of claim 2, wherein: the side locking piece is also provided with an installation convex part protruding from the two side edges of the main arm, and the installation convex part is clamped in the side wall of the insulating body.

4. The electrical connector of claim 1, wherein: the limiting hook part is provided with an upper guide bevel edge and a lower guide bevel edge which are distributed up and down, the upper guide bevel edge extends obliquely from top to bottom and protrudes into the accommodating cavity, and the lower guide bevel edge extends obliquely from bottom to top and protrudes into the accommodating cavity.

5. The electrical connector of claim 4, wherein: the included angle between the upper guide inclined edge and the vertical direction is smaller than the included angle between the lower guide inclined edge and the vertical direction.

6. The electrical connector of claim 4, wherein: the limiting hook part of each latch arm is biased to the same side of the latch arm.

7. The electrical connector of any one of claims 1 to 6, wherein: the number of the locking arms is three or more, the locking arms are distributed on the front end wall at equal intervals, and two adjacent locking arms are integrally connected through a connecting arm.

8. The electrical connector of claim 7, wherein: the side wall of the insulating body is provided with a slot for accommodating the side locking piece, the slot penetrates through the side wall up and down and is provided with an opening for accommodating the clamping hook part, and the opening is arranged at one side of the slot in a deflection mode.

9. The electrical connector of claim 8, wherein: the front end wall of the insulating body is provided with a through groove for accommodating the front-end locking piece, the through groove downwards penetrates through the bottom wall and is provided with an opening for accommodating the limiting hook part, and the opening is biased to one side of the through groove and penetrates through the accommodating cavity.