TWM471688U - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to a universal serial bus interface electrical connector.

Related to the prior art, please refer to the Chinese Patent Publication No. CN201656023, which discloses a conventional USB socket electrical connector, comprising an insulator having a main body and a tongue protruding from the main body, a terminal held in the insulating seat, and being shielded from the outside of the insulating body. A metal casing and a reinforcing casing that is disposed outside the metal casing. The tongue covers the terminal for reinforcement. Chinese Patent Publication No. CN201904481 discloses a USB electrical connector including an insulating seat, a contact terminal, and a mask case. The insulating seat has a pair of connecting portions and a base portion, the contact terminals are embedded in the bottom surface of the mating portion, the cover shell is wrapped around the insulating seat, and the metal piece for strengthening the structural strength is provided for the butting portion, and the metal piece is fixed on the metal piece. The top surface of the aforementioned abutting portion.

However, such USB electrical connectors have many metal parts wrapped around the terminals to prevent terminal damage. However, when plugging and unplugging the electrical connectors, the terminals of the USB electrical connectors are easily ignited between the metal parts, resulting in damage to the connectors. And it may burn electronic products and even cause personal injury; in addition, because such USB electrical connectors are relatively small in size, the tongues are relatively thin, so the structure of the tongue is quite fragile, and the tongue may be damaged after repeated insertion and removal. At the same time, the outer terminal is also easy to turn to the outside to cause problems such as poor contact.

Accordingly, there is a need for an improved electrical connector to compensate for the above-discussed deficiencies of the prior art.

The main purpose of the present invention is to provide an electrical connector which has the advantages of convenient installation, stable terminal structure, difficulty in deformation, and difficulty in igniting between the terminal and the metal member.

The purpose of the present invention is achieved by the following technical solution: an electrical connector comprising an insulating body having a base and a tongue extending forward from the base, a terminal held in the insulating body, a reinforcing member held by the tongue and shielding In the outer metal shell of the insulating body, the tongue plate is provided with a terminal slot, and the terminals arranged on both sides of the tongue plate are defined as outer terminals, and the tongue plate is provided with a plastic seat separating the outer terminal and the metal piece, the plastic seat The recess is provided with a groove penetrating in the up and down direction.

Compared with the prior art, the present invention has the following effects: the terminals on both sides of the electrical connector are separated from the edge of the reinforcing member by plastic, and even if the voltage is too large during charging, no fire is caused; in addition, the side of the terminal slot Two positioning slots are provided for positioning the terminal and the reinforcing member to prevent the terminal from tilting outward when being formed and approaching the reinforcing member to ensure the stability of the terminal.

100‧‧‧Electrical connector

1‧‧‧Insulating body

11‧‧‧ base

111‧‧‧ card slot

112‧‧‧Insert hole

113‧‧‧ holding slot

12‧‧ ‧ tongue

121‧‧‧Terminal slot

122‧‧‧ plastic table

1220‧‧‧ plastic seat

1221‧‧‧ missing slot

1222‧‧‧ Groove

2‧‧‧ terminals

21‧‧‧Contacts

22‧‧‧Weld Department

23‧‧‧Connecting Department

3‧‧‧Metal reinforcements

31‧‧‧Contacts

32‧‧‧Inlay inserts

33‧‧‧ holding piece

330‧‧‧ gap

331‧‧‧Enhanced edges

4‧‧‧Metal casing

41‧‧‧ top wall

411‧‧‧First fixed foot

412‧‧‧ 凹片

42‧‧‧ bottom wall

43‧‧‧ side wall

431‧‧‧Second fixed foot

432‧‧‧holding feet

The first figure is a three-dimensional combination diagram of the present electrical connector;

The second figure is a three-dimensional combination view of the first figure from another angle;

The third figure is a partial perspective view of the original electrical connector after removing the metal casing;

The fourth figure is a partial perspective view of the third figure after removing the metal casing from another angle;

The fifth figure is an exploded view of the original electrical connector;

The sixth figure is a three-dimensional exploded view of the fifth figure from another perspective;

The seventh figure is a perspective view of the insulative body.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A specific embodiment of the electrical connector 100 of the present invention will be described in detail below with reference to the first to seventh drawings of the drawings. The electrical connector 100 is a universal serial bus interface electrical connector, comprising an insulative housing 1, a plurality of terminals 2 and metal reinforcements 3 received in the insulative housing 1 and a metal housing sleeved outside the insulative housing 1. 4. For convenience of description, the following refers to the upper and lower left and right sides as referenced in FIG. 1 , wherein the mating end of the electrical connector 100 and the mating connector is the front end and the other end is the rear end.

The insulative housing 1 includes a base portion 11 and a tongue plate 12 extending forward from the base portion 11. A trapezoidal holding groove 111 is defined in the top of the top portion of the base portion 11 near the tongue plate 12 for engaging the metal shell 4 . An insertion hole 112 penetrating the base portion 11 in the butting direction is formed on the outer side of the holding groove 111. A plurality of holding grooves 113 are distributed at the bottom of the base portion 11. The tongue plate 12 is provided with a plurality of terminal slots 121 for receiving the terminals 2, and the tongue plate 12 is provided with a plastic table 122. Referring to the fourth and seventh figures, the plastic table 122 is provided with a recess 1222 of the positioning terminal 2. The plastic table 122 located on both sides of the tongue plate 12 is defined as a plastic seat 1220. The plastic seat 1220 is provided with a notch groove 1221, and the notch groove 1221 and the groove 1222 of the plastic seat 1220 are spaced apart in the mating direction. The notch groove 1221 penetrates in the left-right direction, and the groove 1222 penetrates in the up-and-down direction.

Referring to the fifth and sixth figures, the terminal 2 includes a contact portion 21, a solder portion 22 soldered to the circuit board, and a connection portion 23 connecting the contact portion 21 and the solder portion 22. The contact portions 21 are arranged in parallel in the tongue plate 12 of the insulative housing 1 . The soldering portion 22 is retained in the holding groove 113 of the insulative housing 1 and exposes the base portion 11. The terminals 2 are arranged in this order in the left-right direction, and the terminals 2 arranged on both sides of the tongue plate 12 are defined as outer terminals, and the outer terminals are power terminals. The plastic seat 1220 separates the outer terminal and the metal reinforcement 3.

The metal reinforcement member 3 includes a contact piece 31 that is received in the insertion hole 112 of the insulative housing 1 , an insert piece 32 that is retained inside the base portion 11 , and an upper surface and a side of the tongue plate 12 . The edge holding piece 33. The contact piece 31 is in contact with the metal casing 4 to achieve indirect grounding. The edge of the holding piece 33 has a reinforcing edge 331 extending vertically downward and integrally formed into a bottomless box shape. The lower edge of the reinforcing edge 331 abuts against the groove top of the groove 1222 of the tongue plate 12 and the reinforcing edge 331 on both sides thereof is provided with a notch 330, so that the notch 330 makes the reinforcing edge 331 not It is in contact with the top of the missing slot 1221.

The edge of the holding piece 33 and the outer terminal are separated by a plastic seat 1220 for preventing fire between the outer terminal and the metal reinforcing member 3 due to a large voltage during charging.

The metal casing 4 includes a top wall 41, a pair of oppositely disposed side walls 43, and a bottom wall 42 connecting the pair of side walls 43. The top wall 41 extends horizontally and is bent downward to form a pair of first fixing legs 411. A recessed piece 412 is formed in the rear end of the top wall 41, and the recessed piece 412 is fastened to the holding groove 111 of the insulating body 1 . The side walls 43 are respectively stamped into a second fixing leg 431 which is vertically downward, and the rear ends of the side walls 43 extend horizontally and are bent downward to form a pair of clamping legs 432. The clamping leg 432 is fastened to the rear end surface of the base 11 to keep the metal casing 4 and the insulating body 1 stable.

During the molding process, the mold cores are disposed above and below, and the mold for positioning the terminal 2 is inserted into the missing slot 1221 and the position of the terminal 2 is positioned in the left-right direction to prevent the terminal 2 arranged outside from being outwardly biased; The mold for positioning the metal reinforcement 3 is inserted into the groove 1222 and positions the metal reinforcement 3 in the up and down direction to prevent the metal reinforcement 3 from being displaced.

It should be noted that the outer side terminal of the electrical connector 100 of the present invention is separated from the reinforcing edge 331 of the metal reinforcing member 3 by a plastic seat 1220, and even if the voltage is too large during charging, it does not cause a fire; Further, at the time of molding, the provision of the notch groove 1221 prevents the terminal 2 from being inclined outward to approach the metal reinforcement 3, thereby ensuring the structural stability of the terminal 2.

In summary, this creation is in line with the new patent requirements, and the patent application is filed according to law. However, the above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and any equivalent modification or change made by a person familiar with the skill of the present invention in accordance with the spirit of the present invention should be It is covered by the following patent application.

111‧‧‧ card slot

112‧‧‧Insert hole

12‧‧ ‧ tongue

121‧‧‧Terminal slot

1220‧‧‧ plastic seat

1221‧‧‧ missing slot

1222‧‧‧ Groove

2‧‧‧ terminals

22‧‧‧Weld Department

3‧‧‧Metal reinforcements

331‧‧‧Enhanced edges

Claims (7)

An electrical connector comprising:
An insulating body having a base and a tongue extending forward from the base;
a plurality of terminals that are held in the insulating body;
a metal reinforcement member that is held by the tongue;
And the metal casing is shielded from the outside of the insulating body, the tongue plate is provided with terminal slots, and the terminals arranged on both sides of the tongue plate are defined as outer terminals;
Wherein, the tongue plate is provided with a plastic seat separating the outer terminal and the metal reinforcing member, and the plastic seat is concavely provided with a groove penetrating in the up and down direction. The electrical connector of claim 1, wherein the metal reinforcement has a contact piece and a holding piece held in the base, the edge of the holding piece has a reinforcing edge extending vertically downward, The edge of the reinforcing edge abuts against the top of the groove. The electrical connector of claim 2, wherein the edge of the retaining sheet covers the upper surface and the side edge of the tongue. The electrical connector of claim 2, wherein the base is provided with a receiving hole, and the contact piece of the reinforcing member is received in the insertion hole and the exposed base is in contact with the metal casing. The electrical connector of claim 1, wherein the plastic seat is further recessed with a notch extending through the terminal slot in the left-right direction. The electrical connector of claim 5, wherein the missing slot and the recess are spaced apart from each other. The electrical connector of claim 1, wherein the outer terminal is a power terminal.