Electrical connectors

Abstract

The utility model discloses an electrical connector, including an insulating body and a plurality of conductive terminals, wherein the insulating body is provided with a main body and a tongue plate extending forward from the main body, and the plurality of conductive terminals are respectively arranged on the upper surface and the lower surface of the tongue plate. The electrical connector also includes a latch embedded in the tongue plate, and the latch includes a cross arm and two arms extending backward from both ends of the cross arm. The tongue plate includes a front section and a rear section, wherein the rear section and the main body are integrally injection molded, the latch is annularly arranged at the front end of the rear section, the cross arm is located in front of the rear section, the ends of the two arms are embedded in the rear section, and the arms are provided with latching portions protruding from the left and right sides of the tongue plate, and the outer surface of the latching portion for contacting with the docking connector is a rolled surface. The latch of the electrical connector of the utility model adopts a rolled surface as a contact surface, which can improve the wear resistance of the latch and the service life of the electrical connector, and has a simple structure and is easy to manufacture.

Description

Technical Field

[0001] The utility model relates to an electric connector, in particular to an electric connector with a tongue plate. Background Art

[0002] A common USB Type-C electrical connector includes an insulating body, a plurality of conductive terminals, and a metal shell covering the insulating body. The insulating body is provided with a tongue plate, and a plurality of conductive terminals are arranged on the upper and lower surfaces of the tongue plate. The tongue plate is inserted into the docking cavity of the docking connector during docking. In order to increase the holding force between the electrical connector and the docking connector, the electrical connector is usually further provided with a holding piece. The holding piece is provided with holding portions protruding from the left and right sides of the tongue plate. The holding portions are engaged with the docking connector to prevent the docking connector from accidentally falling off. However, the contact surface of the existing holding portion is generally a punched surface, and the friction coefficient of the surface is relatively large, which is easy to wear and will affect the service life of the electrical connector.

[0003] Therefore, it is necessary to provide a new electrical connector to overcome the above defects. Utility Model Content

[0004] The utility model provides an electric connector, which has a wear-resistant buckling piece.

[0005] Specifically, the utility model is realized through the following technical scheme: an electrical connector, comprising an insulating body and a plurality of conductive terminals, the insulating body being provided with a main body and a tongue plate extending forward from the main body, the plurality of conductive terminals being respectively arranged on the upper surface and the lower surface of the tongue plate, and also comprising a latching member embedded in the tongue plate, the latching member comprising a cross arm and two arms extending backward from both ends of the cross arm, the tongue plate comprising a front section and a rear section, the rear section being integrally injection molded with the main body, the latching member being arranged around the front end of the rear section, the cross arm being located in front of the rear section, the ends of the two arms being embedded in the rear section, the arms being provided with latching portions protruding from the left and right sides of the tongue plate, the outer surface of the latching portion for contacting the docking connector being a rolled surface.

[0006] In a preferred embodiment, the front section covers the front end portion of the rear section and the cross arm by secondary injection molding.

[0007] In a preferred embodiment, the buckling portion is arc-shaped.

[0008] In a preferred embodiment, the support arm is provided with a first through hole, and the front section is provided with a convex column filled into the first through hole.

[0009] In a preferred embodiment, the support arm is provided with a second through hole, and the second through hole is buried in the rear section.

[0010] In a preferred embodiment, the rear section is further provided with forwardly extending positioning portions at the upper and lower edges of its front end surface, and the upper and lower end surfaces of the cross arm are respectively provided with corresponding positioning grooves, and the positioning portions are positioned and matched with the positioning grooves.

[0011] In a preferred embodiment, it is a USB Type-C connector.

[0012] The buckling piece of the electric connector of the utility model adopts a rolled surface as a contact surface, which can improve the wear resistance of the buckling piece and the service life of the electric connector, and has a simple structure and is easy to manufacture.

[0013] It should be understood that the above general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional assembly diagram of an electrical connector in one embodiment of the utility model;

[0015] Figure 2 for Figure 1 A partial exploded perspective view of an electrical connector;

[0016] Figure 3 and Figure 1 A further exploded perspective view of the electrical connector in FIG.

[0017] Description of reference numerals:

[0018] Insulating body 1, main body 11, tongue plate 12, groove 121, front section 122, rear section 123, front end surface 124, positioning portion 125, protrusion 126, buckling member 2, buckling portion 21, cross arm 22, support arm 23, end 24, positioning slot 25, first through hole 26, second through hole 27. DETAILED DESCRIPTION

[0019] Here, exemplary embodiments will be described in detail, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the utility model. Instead, they are only examples of devices, systems, equipment and methods consistent with some aspects of the utility model.

[0020] refer to Figure 1As shown, the utility model provides a USB Type-C electrical connector that can be configured on consumer electronic products such as mobile phones, iPads and computers. The electrical connector includes an insulating body 1, a plurality of conductive terminals (not shown) and a metal shell (not shown). The insulating body 1 is provided with a longitudinal main body 11 and a tongue plate 12 extending forward from the main body 11. The front end of the tongue plate 12 is provided with a row of grooves 121 on its upper surface and lower surface respectively. The contact portion (not shown) of the conductive terminal (not shown) is disposed in the groove 121 and exposed. The shell (not shown) covers the main body 11 and the tongue plate 12.

[0021] The electrical connector also includes a metal buckle 2 embedded in the front end of the tongue plate 12. The buckle 2 is provided with two buckle parts 21. The two buckle parts 21 are respectively protruded from the front ends of the left and right sides of the tongue plate 12 for snap-fitting with the docking connector (not shown) to prevent the docking connector (not shown) from accidentally loosening.

[0022] Combination Figures 2 to 3 As shown, the buckle 2 is formed by bending a metal strip into a U shape, which has a simple structure and is easy to manufacture. The buckle 2 is fixed to the front end of the tongue plate 12 in an embedded molding manner. The buckle 2 includes a cross arm 22 and two arms 23 extending backward from the left and right ends of the cross arm 22, wherein the aforementioned buckle portion 21 is provided at the connection between the arm 23 and the cross arm 22, and the buckle portion 21 protrudes outward relative to other parts of the arm 23.

[0023] The upper and lower end surfaces of the fastener 2 are punched surfaces, and the inner and outer surfaces in the left and right directions are rolled surfaces, that is, the outer surface of the fastener 21 that is used to contact the docking connector (not shown) is a rolled surface, which has a small friction coefficient and is not easy to wear, which can increase the service life of the fastener 2 and the electrical connector. In addition, the fastener 21 is bent to form an arc with a smooth curved surface, which can make the plugging and unplugging of the docking connector (not shown) smoother, and the pull-out force is moderate, which will not cause significant wear, and can also increase the service life of the fastener 2 and the electrical connector. The cross arm 22 can connect the two arms 23 to facilitate the assembly and fixation of the fastener 2, and can increase the strength of the tongue plate 12.

[0024] Please continue to refer to Figure 2 and Figure 3 As shown, the tongue plate 12 includes a front section 122 and a rear section 123, wherein the rear section 123 is injection molded together with the main body 11, and the buckle 2 and the conductive terminal (not shown) are fixed to the rear section 123 of the tongue plate 12. After molding, the buckle 2 is arranged around the front end outside of the rear section 123 of the tongue plate 12, and the cross arm 22 is located outside the front end surface 124 of the rear section 123, in front of all the conductive terminals (not shown), avoiding the setting area of ​​the conductive terminals (not shown), and does not affect the layout of the conductive terminals (not shown). The two arms 23 are respectively located on the outside of the left and right sides of the rear section 123, and the ends 24 of the two arms 23 are buried in the rear section 123 of the tongue plate 12.

[0025] The rear section 123 of the tongue plate 12 is provided with positioning portions 125 extending forward at the upper and lower edges of its front end surface 124, and the upper and lower end surfaces of the cross arm 22 are provided with positioning grooves 25, respectively, and the positioning portions 125 cooperate with the positioning grooves 25 to position and support the cross arm 22. Subsequently, the front section 122 of the tongue plate 12 covers the front end portion of the rear section 123 and the cross arm 22 of the buckle 2 by secondary injection molding, wherein the buckle portion 21 of the support arm 23 remains exposed.

[0026] The support arm 23 is further provided with perforations, including a first perforation 26 and a second perforation 27 arranged front and rear. The front section 122 of the tongue plate 12 is provided with a protrusion 126 filled into the first perforation 26, and the second perforation 27 is buried in the rear section 123 of the tongue plate 12, so as to increase the bonding force between the support arm 23 and the tongue plate 12.

[0027] The above are only preferred implementation modes of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

Claims

1. An electrical connector, comprising an insulating body and a plurality of conductive terminals, wherein the insulating body is provided with a main body and a tongue extending forward from the main body, and the plurality of conductive terminals are respectively arranged on the upper surface and the lower surface of the tongue, wherein: It also includes a latching member embedded in the tongue plate, the latching member includes a cross arm and two support arms extending backward from both ends of the cross arm, the tongue plate includes a front section and a rear section, the rear section and the main body are integrally injection molded, the latching member is ring-arranged at the front end of the rear section, the cross arm is located in front of the rear section, the ends of the two support arms are buried in the rear section, the support arms are provided with latching portions protruding from the left and right sides of the tongue plate, and the outer surface of the latching portion for contacting the docking connector is a rolled surface.

2. The electrical connector according to claim 1, characterized in that: The front section covers the front end portion of the rear section and the cross arm in a secondary injection molding manner.

3. The electrical connector according to claim 2, wherein: The buckling portion is arc-shaped.

4. The electrical connector according to claim 2, wherein: The support arm is provided with a first through hole, and the front section is provided with a convex column filled in the first through hole.

5. The electrical connector according to claim 4, characterized in that: The support arm is provided with a second through hole, and the second through hole is buried in the rear section.

6. The electrical connector according to claim 2, characterized in that: The rear section is also provided with positioning parts extending forward on the upper edge and the lower edge of the front end surface thereof, respectively. The upper end surface and the lower end surface of the cross arm are respectively provided with positioning grooves correspondingly, and the positioning parts are positioned and matched with the positioning grooves.

7. The electrical connector according to claim 1, characterized in that: It is a USB Type-C connector.

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