CN220155784U - Electric connector - Google Patents

Abstract

The utility model provides an electric connector, which comprises an insulating body and a conductive terminal accommodated in the insulating body, wherein the insulating body is provided with a main body, the main body is provided with a top wall, a front end wall, a rear end wall and a plurality of terminal grooves penetrating through the front end wall and the rear end wall, the conductive terminal is provided with a contact part and a welding foot extending backwards from the contact part to the rear end wall, the top wall is horizontally and backwards extended and provided with a flat surface, the top wall is also provided with an extension plate protruding backwards beyond the rear end wall, and the extension plate covers right above the welding foot. The electric connector enables the top wall of the insulating body to extend backwards beyond the rear end wall and to be shielded right above the welding pins of the conductive terminal, plays a role in protecting the welding pins, can effectively prevent external foreign matters from falling onto the welding pins to cause poor contact, can serve as a grabbing object of a mechanical arm, avoids the processes of sticking films, uncovering films and scrapping films, and is beneficial to improving production efficiency and reducing production cost.

Description

Electric connector

Technical Field

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

Background

The electric connector is an indispensable precise component in various digital electronic products nowadays, the advantages and disadvantages of the electric connector directly influence the electric signal transmission of the whole product, further influence the function realization of the product, and especially have very strict requirements on the quality of the electric connector for such light and thin products as mobile phones, tablet computers and the like, so that the electric connector is ensured to be efficient and precise in the production and installation processes of the electric connector, and the adverse effects of various factors on the electric connector are avoided. The conventional electrical connector generally includes an insulative housing and conductive terminals received in the insulative housing, and is soldered to a circuit board by the conductive terminals to realize the mounting and electrical conduction of the electrical connector. In order to meet the requirement of automatic production, a film for grabbing by a mechanical arm is generally attached to the electric connector, the mechanical arm grabs and transfers the electric connector to a proper station through adsorbing the film, for example, the electric connector is transferred to a circuit board for welding, after the corresponding welding operation is completed, the film is required to be torn off and scrapped, so that the production efficiency is affected to a certain extent, and the cost is not reduced. Meanwhile, since the soldering feet of the conductive terminals of the electric connector are usually exposed outside the insulator body, the soldering feet are easily polluted or affected by external foreign matters, and thus the problem of poor contact at the soldering feet is caused.

Disclosure of Invention

The utility model provides an electric connector, which is used for solving the problem that the position of a welding pin in the prior art is affected by external foreign matters to cause poor contact.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides an electric connector, includes the insulator, accommodates the conductive terminal in the insulator, the insulator is equipped with a main part, the main part is equipped with a roof, a preceding end wall, a back end wall and link up a plurality of terminal grooves of preceding end wall and back end wall, the conductive terminal is equipped with a contact portion and extends backward from the contact portion the welding foot of back end wall, the roof is the level and extends backward and set up and be equipped with a level surface, just the roof still is equipped with one and extends the extension board that surpasses backward the back end wall, the extension board cover in directly over the welding foot.

Further, a notch is further formed in the bottom of the main body, and the notch is located right below the rear end wall and is arranged adjacent to the welding foot.

Further, the extension plate is also provided with a bottom surface extending obliquely.

Further, two ends of the top wall in the longitudinal direction are provided with a pair of outwards protruding convex parts, and a clamping groove is formed in the inner side of each convex part.

Further, the insulating body is further provided with a pair of arm portions integrally extending forward from both ends of the main body, a butt joint space is formed between the main body and the pair of arm portions, the front end wall is arranged facing the butt joint space, and the contact portion protrudes forward into the butt joint space.

Further, the rear end of the arm portion extends back to form an L-shaped blocking wall, and the blocking wall and the protruding portion of the top wall are disposed corresponding to each other, and the clamping groove is located between the blocking wall and the protruding portion.

Further, the front end of the arm extends forward and is provided with a free end, the free end is provided with a locking lug protruding towards the butt joint space, and the locking lug is provided with a guiding inclined plane extending obliquely from top to bottom.

Further, the electric connector further comprises a pair of fixing pieces, wherein the fixing pieces are installed on the arm parts and are provided with a top cover covering the top surface of the arm parts, side covers covering the side surfaces of the arm parts, fixing feet formed by bending and extending downwards from the rear end of the top cover and an inner baffle formed by bending and extending downwards from the front end of the top cover.

Further, the top cover is provided with a lug extending horizontally and inwards, and the fixing feet extend from top to bottom and are clamped in the clamping grooves and are positioned on the inner sides of the L-shaped retaining walls and the convex parts.

Further, the contact portion of the conductive terminal is sheet-shaped and vertically arranged, the bottom of the welding pin protrudes downwards beyond the contact portion, and the rear side edge of the welding pin is further provided with a notch.

Compared with the prior art, the electric connector has the advantages that the structure of the insulating body is optimized, the top wall of the electric connector extends backwards to exceed the rear end wall and is shielded right above the welding pins of the conductive terminals, the effect of protecting the welding pins is achieved, the phenomenon that external foreign matters fall onto the welding pins to cause poor contact can be effectively prevented, the top wall can also serve as a grabbing object of a manipulator, film attachment is not needed, the processes of sticking films, uncovering films and scrapping films are omitted, and the electric connector is beneficial to improving production efficiency and reducing production cost.

Drawings

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

Fig. 2 is a rear perspective view of the electrical connector of the present utility model.

Fig. 3 is an exploded view of the electrical connector of the present utility model.

Fig. 4 is a cross-sectional view of an electrical connector according to the present utility model.

Detailed Description

Referring to fig. 1 to 4, the present utility model provides an electrical connector, which includes an insulative housing 10, conductive terminals 20 accommodated in the insulative housing 10, and a pair of fixing members 30 fixed on two sides of the insulative housing 10, wherein the insulative housing 10 is used for holding the conductive terminals 20, the conductive terminals 20 are used for being soldered to a circuit board and electrically connected with a mating connector, and the fixing members 30 are used for fastening the mating connector, so that the two connectors are in a locking and mating state. The structure of each of the components is described in detail below.

The insulating body 10 includes a main body 11 and a pair of arms 12 extending forward from the main body 11, the main body 11 and the arms 12 are integrally formed, and integrally connected, and a mating space 13 is formed between the main body 11 and the pair of arms 12 for inserting the mating connector. Wherein the main body 11 is provided with a front end wall 14, a top wall 15, a rear end wall 16 and a plurality of terminal slots 17 penetrating the front end wall 14 and the rear end wall 16 in the front-rear direction, the front end wall 14 is arranged facing the docking space 13, and the plurality of terminal slots 17 are equally spaced on the front end wall 14 for inserting the conductive terminals 20; the top wall 15 is perpendicular to the front end wall 14, the top wall 15 extends horizontally and backward, the top wall 15 is provided with an extending plate 151 protruding further backward beyond the rear end wall 16, the surface of the top wall 15 is a flat surface for a manipulator to grasp, preferably, two ends of the top wall 15 in the longitudinal direction are provided with a pair of protruding parts 152 protruding outwards, a clamping groove 153 is formed on the inner side of the protruding parts 152 for clamping the fixing member 30, and preferably, the extending plate 151 is further provided with a bottom surface 154 extending obliquely to play a certain guiding role for inserting the conductive terminal 20. The pair of arm portions 12 extend forward from two longitudinal ends of the main body 11, the rear end of the arm portion 12 extends backward to form an L-shaped blocking wall 121, the blocking wall 121 corresponds to the protruding portion 152 of the top wall 15 and clamps the fixing member 30 together, the front end of the arm portion 12 extends forward and is provided with a free end 122, the free end 122 is provided with a locking protrusion 123 protruding toward the docking space 13, and the locking protrusion 123 is provided with a guiding inclined plane 124 extending obliquely from top to bottom. Preferably, a notch 18 is provided at the bottom of the main body 11, and the notch 18 is located below the rear end wall 16 and adjacent to the soldering leg 22 of the conductive terminal 20, so as to prevent the soldering leg 22 from creeping in the soldering process, and optimize the soldering quality of the soldering leg 22.

The conductive terminal 20 is in a sheet shape, and is provided with a vertically arranged sheet-shaped contact portion 21 and a welding foot 22 extending backwards from the contact portion 21, wherein the contact portion 21 is inserted into the terminal groove 17 from the back to the front and protrudes into the docking space 13 to be plugged with a docking connector, preferably, in order to enhance the bonding strength between the conductive terminal 20 and the insulating body 10, the top edge of the conductive terminal 20 is further provided with a protruding portion 23 for clamping the insulating body 10. The soldering leg 22 protrudes backward from the rear end wall 16 of the insulating body 10, so as to be exposed under the extension plate 151 of the top wall 15, so that the soldering leg 22 is protected from the shielding of the extension plate 151 in the vertical direction, and further, the soldering leg 22 is effectively prevented from being polluted or disturbed by external foreign matters, preferably, the bottom of the soldering leg 22 protrudes downward beyond the contact portion 21 for soldering onto a circuit board, and the soldering leg 22 is integrally exposed to the outer side of the rear end wall 16 from top to bottom, and the rear side edge of the soldering leg 22 is further provided with a notch 24, and the notch 24 is located above the bottom of the soldering leg 22.

The fixing member 30 is mounted on the insulating body 10, and is provided with a top cover 31 covering the top surface of the arm 12, a side cover 32 covering the side surface of the arm 12, a fixing leg 33 bent and extended downward from the rear end of the top cover 31, and an inner baffle 34 bent and extended downward from the front end of the top cover 31, the top cover 31 is provided with a tab 35 extending horizontally and inwardly, and the fixing leg 33 extends from top to bottom and is clamped in the clamping groove 153 and is located inside the L-shaped blocking wall 121 and the protruding portion 152.

In summary, in the electrical connector of the present utility model, by optimizing the structure of the insulating body 10, the top wall 15 extends backward beyond the rear end wall 16 and is shielded right above the soldering leg 22 of the conductive terminal 20, so as to protect the soldering leg 22, effectively prevent external foreign matters from falling onto the soldering leg 22, thereby avoiding the problem of poor contact at the soldering leg 22, and the top wall 15 has a wide and flat surface, and can serve as a grabbing object of a manipulator without attaching a film, thereby avoiding the processes of attaching a film, removing a film and scrapping a film, and being beneficial to improving the production efficiency and reducing the production cost.

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 (10)

1. The utility model provides an electric connector, includes insulator, accommodates the conductive terminal in insulator, insulator is equipped with a main part, the main part is equipped with a roof, a preceding end wall, a back end wall and link up a plurality of terminal grooves of preceding end wall and back end wall, conductive terminal is equipped with a contact portion and extends backward from contact portion the welding foot of back end wall, its characterized in that: the top wall extends horizontally and backwards and is provided with a flat surface, and the top wall is also provided with an extension plate protruding backwards beyond the rear end wall, and the extension plate covers right above the welding feet.

2. The electrical connector of claim 1, wherein: the bottom of the main body is also provided with a notch which is positioned right below the rear end wall and is arranged adjacent to the welding foot.

3. The electrical connector of claim 1, wherein: the extension plate is also provided with a bottom surface extending obliquely.

4. The electrical connector of claim 1, wherein: the top wall is provided with a pair of convex parts protruding outwards at two longitudinal ends, and a clamping groove is formed at the inner side of the convex parts.

5. The electrical connector of claim 4, wherein: the insulating body is also provided with a pair of arm parts which extend forwards integrally from two ends of the main body, a butt joint space is formed between the main body and the pair of arm parts, the front end wall faces the butt joint space, and the contact part protrudes forwards into the butt joint space.

6. The electrical connector of claim 5, wherein: the rear end of the arm part is extended backwards to form an L-shaped retaining wall, and the retaining wall and the convex part of the top wall are arranged correspondingly to each other, so that the clamping groove is arranged between the retaining wall and the convex part.

7. The electrical connector of claim 6, wherein: the front end of the arm part extends forwards and is provided with a free end, the free end is provided with a locking lug protruding towards the butt joint space, and the locking lug is provided with a guide inclined plane extending obliquely from top to bottom.

8. The electrical connector of claim 7, wherein: the electric connector further comprises a pair of fixing pieces, wherein the fixing pieces are arranged on the arm parts and are provided with a top cover, a side cover, a fixing foot and an inner baffle, the top cover covers the top surface of the arm parts, the side cover covers the side surface of the arm parts, the fixing foot is formed by downwards bending and extending from the rear end of the top cover, and the inner baffle is formed by downwards bending and extending from the front end of the top cover.

9. The electrical connector of claim 8, wherein: the top cover is provided with a lug extending horizontally and inwards, and the fixing feet extend from top to bottom and are clamped in the clamping grooves and are positioned on the inner sides of the L-shaped retaining walls and the convex parts.

10. The electrical connector of any one of claims 1 to 9, wherein: the contact part of the conductive terminal is sheet-shaped and vertically arranged, the bottom of the welding pin protrudes downwards beyond the contact part, and the rear side edge of the welding pin is also provided with a notch.