CN212725712U

CN212725712U - Electrical connector

Info

Publication number: CN212725712U
Application number: CN202021431956.4U
Authority: CN
Inventors: 包金平; 陈昌耀; 吴永发; 姚宏江; 方志宏
Original assignee: Drapho Electronics Technology Co ltd
Current assignee: Drapho Electronics Technology Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-03-16
Anticipated expiration: 2030-07-20

Abstract

The utility model provides an electric connector, include insulator, install in insulator terminal and cover in insulator outlying metal casing, insulator is equipped with the basal portion and reaches the hyoplastron that extends forward from the basal portion, the basal portion is equipped with the slot, the slot link up from the left hand right side the basal portion, and hold the enhancement piece of rectangular shape in the slot, the both ends of enhancement piece are equipped with the portion of bending, the portion of bending with the metal casing overlap joint. Compared with the prior art, the utility model discloses an embedding enhancement piece in insulator, greatly increased insulator's intensity can effectively avoid insulator impaired under frequent plug and the too big condition of plug power to the connection reliability of connector has been improved.

Description

Electrical connector

Technical Field

The utility model relates to an electric connection field especially relates to an electric connector.

Background

With the development trend of miniaturization and lightness of consumer electronic products such as notebook computers, tablet computers, mobile phones and the like, the requirements on the design and manufacturing process of parts of the consumer electronic products are higher and higher, and as the products are lighter and thinner day by day, the internal space of the consumer electronic products is very narrow, so that the requirement that the internal parts of the consumer electronic products are required to adopt a dense layout is met, the volume of each electronic part is smaller and thinner, and the requirements on the reliability of the manufacturing process and the connection of the consumer electronic products are higher and higher. For a connector which needs to be plugged and unplugged frequently, the reliability of the connector is very important, for example, a USB connector often faces frequent plugging and unplugging operations, and in order to ensure the stability of electrical connection, a strong plugging and unplugging force needs to be designed, which increases the damage to the connector, for example, when the plugging and unplugging force is too large, the insulating body of the connector is easily broken or damaged, so how to enhance the strength of the connector to meet the requirement of frequent plugging and unplugging is an important issue to be considered in the design process of the USB connector.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the present invention is to provide an electrical connector, which can improve the strength of the insulation body and further improve the reliability of the connector.

In order to solve the technical problem, the utility model adopts the following technical scheme: an electric connector comprises an insulating body, a terminal arranged in the insulating body and a metal shell covering the periphery of the insulating body, wherein the insulating body is provided with a base part and a tongue plate extending forwards from the base part, the base part is provided with a slot, the slot penetrates through the base part from left to right, a strip-shaped reinforcing sheet is accommodated in the slot, two ends of the reinforcing sheet are provided with bending parts, and the bending parts are in lap joint with the metal shell.

Furthermore, the bending parts are attached to the left side and the right side of the base part, and are in lap joint with the metal shell and fixed through spot welding.

Furthermore, the left end and the right end of the base are provided with extension arms protruding backwards, each extension arm comprises a bottom arm extending horizontally and a positioning arm protruding upwards and vertically from the bottom arm, and the bottom arm, the positioning arms and the base are of an integrated injection molding structure.

Furthermore, the outer wall surface of the extension arm is provided with a protrusion part which protrudes outwards.

Furthermore, a plurality of equally spaced separation strips are distributed on the top surface of the base part, and the separation strips protrude from the top surface of the base part.

Further, the length extension direction of the slot is perpendicular to the length extension direction of the separating strip.

Furthermore, the electric connector further comprises a positioning body matched with the insulating body and a metal cover body covering the surfaces of the metal shell and the positioning body, wherein the front end of the metal cover body is installed on the metal shell, and the rear end of the metal cover body is installed on the positioning body.

Furthermore, notches matched with the positioning arms are arranged on two sides of the positioning body.

Furthermore, a pair of mounting plates which are formed by outwards turning are arranged at the front end and the rear end of the metal cover body, buckling pieces which are formed by bending are arranged at two sides of the metal cover body, and holes which are matched with the protruding parts in a buckling mode are formed in the buckling pieces.

Compared with the prior art, the utility model discloses an embedding enhancement piece in insulator, greatly increased insulator's intensity can effectively avoid insulator impaired under frequent plug and the too big condition of plug power to the connection reliability of connector has been improved.

Drawings

Fig. 1 is a perspective view of the electrical connector of the present invention.

Fig. 2 is a schematic diagram of the electric connector after the metal cover and the positioning body are removed.

Fig. 3 is a schematic view of the fitting between the insulating body and the positioning body of the electrical connector of the present invention.

Fig. 4 is an exploded view of the electrical connector of the present invention.

Detailed Description

Referring to fig. 1 to 4, the present invention provides an electrical connector, which includes an insulating body 10, a terminal 20 fixed in the insulating body 10, a positioning body 30 engaged with the insulating body 10, a metal housing 40 covering the surface of the insulating body 10, and a metal cover 50 covering the surface of the metal housing 40, wherein the terminal 20 extends out of the insulating body 10 for being soldered to a circuit board (not shown), the metal housing 40 surrounds the insulating body 10 to achieve a signal shielding effect, and the metal cover 50 covers the metal housing 40 from the outside and is fixed to the circuit board.

The insulating body 10 is provided with a base portion 11 and a tongue plate 12 extending forward from the base portion 11, wherein the left and right ends of the base portion 11 are provided with extension arms 13 protruding backward for positioning and matching with the positioning body 30, the extension arms 13 include a bottom arm 131 extending horizontally and a positioning arm 132 protruding upward and vertically from the bottom arm 131, the positioning arm 132 and the base portion 11 are of an integral injection molding structure, the outer wall surface of the extension arm 13 is provided with a protrusion 133 protruding outward, and the protrusion 133 is used for being buckled and matched with the metal cover 50; in addition, the top surface of the base 11 is distributed with the separating strips 14 arranged at equal intervals, the separating strips 14 protrude from the top surface of the base 11, the top surface of the base 11 is also distributed with the slots 15 positioned at the front sides of the separating strips 14, the slots 15 are arranged adjacent to the separating strips 14, the length extending direction of the slots 15 is perpendicular to the length extending direction of the separating strips 14, and the slots 15 penetrate through the base 11 from left to right. The tongue 12 is provided with a plurality of terminal grooves 16 on its surface for receiving the terminals 20.

The terminal 20 is provided with a fixed arm 22, a contact arm 23 extending forward from the fixed arm 22, and a mounting arm 24 extending rearward from the fixed arm 22, wherein the fixed arm 22 extends horizontally and is clamped and matched with the base portion 11 of the insulating body 10, the contact arm 23 extends to the tongue plate 12, and the tail end of the contact arm 23 is exposed on the surface of the tongue plate 12 so as to be plugged into a mating end electrical connector. The mounting arm 24 extends obliquely from the rear end of the fixing arm 22 for soldering to a circuit board.

In order to make the insulating body 10 have better strength, in the preferred embodiment of the present invention, the electrical connector further includes a reinforcing plate 60 held in the slot 15, the reinforcing plate 60 is in a strip shape and extends from one end of the slot 15 to the other end of the slot 15, and both ends of the reinforcing plate 60 are respectively provided with a bending portion 61 formed by bending forward, the bending portion 61 is attached to the left and right sides of the base portion 11, and is fixed to the metal shell 30 by spot welding. The reinforcing plate 60 is embedded in the base 11, which can greatly increase the strength of the base 11 and prevent the damage to the inside of the insulating body 10 caused by excessive insertion force during the insertion and extraction process of the electrical connector.

The positioning body 30 is mounted at the rear end of the insulating body 10, covers the base 11, and is clamped and matched with the base 11, wherein notches 31 matched with the positioning arms 132 in a positioning manner are formed in two sides of the positioning body 30.

The front end of the metal cover body 50 is installed on the metal shell 40, the rear end of the metal cover body is installed on the positioning body 30, a pair of mounting plates 51 which are formed by outwards turning are arranged at the front end and the rear end of the metal cover body 50 and used for being fixedly connected with a circuit board, and a fixing hole 52 is formed in each mounting plate 51. In addition, the metal cover 50 is provided with a main body portion 53 covering the surface of the positioning body 30, and buckling pieces 54 formed by bending are arranged on two sides of the main body portion 53, the buckling pieces 54 are provided with openings 55 in buckling fit with the protrusions 133, and the metal cover 50 and the positioning body 30 are combined through the openings 55.

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 technical solution of the present invention without departing from the scope of the technical solution of the present invention.

Claims

1. An electric connector comprises an insulating body, a terminal arranged in the insulating body and a metal shell covering the periphery of the insulating body, wherein the insulating body is provided with a base part and a tongue plate extending forwards from the base part.

2. The electrical connector of claim 1, wherein: the bending parts are attached to the left side and the right side of the base part, and are in lap joint with the metal shell and fixed through a spot welding mode.

3. The electrical connector of claim 2, wherein: the left end and the right end of the base are provided with extension arms protruding backwards, each extension arm comprises a bottom arm extending horizontally and a positioning arm protruding upwards and vertically from the bottom arm, and the bottom arm, the positioning arms and the base are of an integrated injection molding structure.

4. The electrical connector of claim 3, wherein: the outer wall surface of the extension arm is provided with a protruding part which protrudes outwards.

5. The electrical connector of claim 4, wherein: the top surface of the base is distributed with a plurality of equally spaced separation strips, and the separation strips protrude from the top surface of the base.

6. The electrical connector of claim 5, wherein: the length extension direction of the slot is perpendicular to the length extension direction of the separating strip.

7. The electrical connector of claim 6, wherein: the electric connector further comprises a positioning body matched with the insulating body and a metal cover body covering the surfaces of the metal shell and the positioning body, wherein the front end of the metal cover body is installed on the metal shell, and the rear end of the metal cover body is installed on the positioning body.

8. The electrical connector of claim 7, wherein: and notches matched with the positioning arms are arranged on two sides of the positioning body.

9. The electrical connector of claim 8, wherein: the front end and the rear end of the metal cover body are both provided with a pair of mounting plates which are formed by outwards turning, buckling pieces which are formed by bending are arranged on two sides of the metal cover body, and openings which are matched with the protruding parts in a buckling mode are formed in the buckling pieces.