CN215527993U

CN215527993U - Positive reverse plug 3P electric connector

Info

Publication number: CN215527993U
Application number: CN202121866573.4U
Authority: CN
Inventors: 李知名
Original assignee: Shenzhen Miniconn Precision Electronics Co ltd
Current assignee: Shenzhen Miniconn Precision Electronics Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-01-14
Anticipated expiration: 2031-08-10

Abstract

A positive and negative plug-in 3P electric connector relates to the technical field of connectors. It contains metal casing, insulator and inlays a plurality of metal terminals on insulator, and insulator includes: the rubber core part and the fixing part are characterized in that three metal terminals are arranged, gaps are distributed between the metal terminals, and the three metal terminals are respectively a grounding terminal, a power supply terminal and a signal terminal; each metal terminal includes: one end of the welding leg part extends out of the fixing part; the contact parts are integrally arranged at one end of the welding leg part, one part of the contact parts is embedded in the rubber core part, the other part of the contact parts is exposed out of the outer side of the rubber core part, two contact parts are arranged, and the two contact parts are respectively exposed out of the upper side and the lower side of the rubber core part. Two contact sites of power supply terminal are located between two contact sites of ground terminal, are provided with two contact sites on the every metal terminal of above-mentioned technical scheme of adoption to the realization reduces the metal terminal quantity of 3P connector, and then reduces the production degree of difficulty and greatly improves production efficiency.

Description

Positive reverse plug 3P electric connector

Technical Field

The utility model relates to the technical field of connectors, in particular to a positive and negative plug-in 3P electric connector.

Background

With the rapid development of social, economic and technological forces, various products in the field of terminal devices emerge endlessly, and USB interfaces serving as bridges for data transmission between different terminal devices are also continuously updated. Compared with the conventional USB2.0 interface and USB3.0 interface, the USB3.1 interface released recently is smaller in size and faster in transmission speed, so that it has begun to be widely applied to data transmission and charging of terminal devices such as communication phones, tablet computers and ultra-thin notebooks.

The existing 3P electric connector is generally divided into an upper row and a lower row of metal terminals according to the definition of a USB association, the number of the metal terminals is 6, each metal terminal is only provided with one convex metal contact surface, the process is complex, the number of the metal terminals is large, the production difficulty is high, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a forward and reverse insertion 3P electric connector aiming at the defects and shortcomings of the prior art, wherein two contact parts are arranged on one metal terminal, so that the number of the metal terminals of the 3P connector is reduced, the production difficulty is reduced, and the production efficiency is improved.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a positive reverse plug 3P electric connector, includes metal casing, insulator and inlay bury in a plurality of root metal terminals on the insulator, insulator includes: the metal terminals are distributed with gaps between the metal terminals, and the three metal terminals are respectively a grounding terminal, a power supply terminal and a signal terminal; each metal terminal includes: one end of the welding leg part extends out of the fixing part; and the contact parts are integrally arranged with one end of the leg part, one part of the contact parts is embedded in the rubber core part, the other part of the contact parts is exposed out of the outer side of the rubber core part, two contact parts are arranged, and the two contact parts are respectively exposed out of the upper side and the lower side of the rubber core part.

The two contact portions of the power terminal are located between the two contact portions of the ground terminal, and the two contact portions of the signal terminal are located between the two contact portions of the power terminal.

And fixing grooves are arranged on one sides of the two contact parts of the grounding terminal far away from the exposed surface.

The two contact parts of the grounding terminal are provided with clamping hook parts on opposite sides, and the clamping hook parts extend out of the outer side wall of the rubber core part from the inside of the rubber core part.

The grounding terminal is in an eta shape, the power supply terminal is in an h shape, and the signal terminal is in a Y shape.

The insulation body is provided with a limiting table part between the glue core part and the fixing part, and the thicknesses of the glue core part, the limiting table part and the fixing part are gradually increased.

The grounding terminal, the power supply terminal and the signal terminal are arranged on the contact part in the limiting table part, a first bending part is arranged on the contact part, and a second bending part is arranged in the fixing part on the welding leg part.

The signal terminal reaches the first portion of bending of ground terminal is "II" font, the first portion of bending of power supply terminal is "L" font, the second portion of bending is "L" font.

The welding foot part is Z-shaped.

After the technical scheme is adopted, the utility model has the beneficial effects that: the utility model provides a positive reverse plug 3P electric connector, includes metal casing, insulator and inlays a plurality of metal terminals on insulator, and insulator includes: glue core portion and fixed part, metal terminal are provided with three, and the clearance distributes between metal terminal and the metal terminal, avoids contacting each other between terminal and the terminal to influence the transmission of signal. The three metal terminals are respectively a ground terminal, a power supply terminal and a signal terminal. Each metal terminal includes: a solder leg portion and a contact portion. One end of the welding leg part extends out of the fixing part. The contact parts and one end of the leg part are integrally arranged, one part of the contact parts is embedded in the rubber core part, the other part of the contact parts is exposed out of the rubber core part, two contact parts are arranged, and the two contact parts are respectively exposed out of the upper side and the lower side of the rubber core part. Be provided with two contact sites on a metal terminal to the metal terminal quantity that realizes reducing the 3P connector, and then it is big and improve production efficiency to reduce the production degree of difficulty.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a first exploded schematic view of the present invention;

FIG. 3 is a second exploded schematic view of the present invention;

FIG. 4 is a schematic view of the structure of the metal terminal of the present invention;

fig. 5 is a schematic view of the structure of the ground terminal of the present invention;

FIG. 6 is a schematic structural diagram of the power terminal of the present invention;

fig. 7 is a schematic structural view of a signal terminal of the present invention.

Description of reference numerals: 1. a metal housing; 2. an insulating body; 21. a glue core portion; 22. a limiting table part; 23. a fixed part; 3. a metal terminal; 31. a ground terminal; 311. a hook portion; 32. a power supply terminal; 33. a signal terminal; 34. welding a foot part; 341. a second bending portion; 35. a contact portion; 351. a first bending portion; a. and fixing the grooves.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment as necessary without making a contribution thereto after reading the present specification, but all are protected by patent laws within the scope of the claims of the present invention.

The present embodiment relates to a positive and negative insertion 3P electrical connector, as shown in fig. 1-4, including a metal shell 1, an insulating body 2 and a plurality of metal terminals 3 embedded in the insulating body 2, the insulating body 2 includes: the glue core part 21 and the fixed part 23, the metal terminal 3 is provided with three, and the clearance distribution between metal terminal 3 and the metal terminal 3 avoids mutual contact between the terminal and the terminal, thereby influencing the transmission of signals. The three metal terminals 3 are a ground terminal 31, a power supply terminal 32, and a signal terminal 33, respectively. Each metal terminal 3 includes: a solder leg portion 34 and a contact portion 35. One end of the leg portion 34 extends from the fixing portion 23. The two contact portions 35 are integrally arranged with one end of the leg portion 34, one of the two contact portions 35 is embedded in the rubber core portion 21, and the other one of the two contact portions is exposed outside the rubber core portion 21, and the two contact portions 35 are respectively exposed on the upper side and the lower side of the rubber core portion 21. In the present embodiment, the metal terminal 3 and the insulating body 2 are integrally molded by injection molding. Two contact parts 35 are arranged on one metal terminal 3, so that the number of the metal terminals 3 of the 3P connector is reduced, the production difficulty is reduced, and the production efficiency is improved.

Specifically, as shown in fig. 4 to 7, the two contact portions 35 of the power terminal 32 are located between the two contact portions 35 of the ground terminal 31, and the two contact portions 35 of the signal terminal 33 are located between the two contact portions 35 of the power terminal 32. In the present embodiment, the ground terminal 31 is formed in an "η" shape, the power terminal 32 is formed in an "h" shape, and the signal terminal 33 is formed in a Y shape. The solder foot portion 34 is in a "Z" shape.

Preferably, as shown in fig. 5, in order to stably fix the contact portion 35 of the ground terminal 31 on the rubber core 21 of the insulating housing 2 and prevent the ground terminal 31 from separating from the rubber core 21 due to an external force, fixing grooves a are provided on the two contact portions 35 of the ground terminal 31 on a side away from the exposed surface.

Preferably, the ground terminal 31 is provided with a hook portion 311 on the opposite sides of the two contact portions 35, and the hook portion 311 extends from the inside of the core portion 21 to the outside wall of the core portion 21. Hook portion 311 is hook-shaped, and hook portion 311 is used for making the stable grafting of public seat connector and the female seat connector of this application to prevent that the cell-phone from being in transmission data or when charging, public seat connector is connected not hard up with the female seat and is interrupted data transmission and charge, and brings bad experience for the user and feel. In the present embodiment, a stopper table portion 22 is disposed on the insulation body 2 between the core portion 21 and the fixing portion 23, and the thicknesses of the core portion 21, the stopper table portion 22 and the fixing portion 23 gradually increase.

Preferably, as shown in fig. 4-7, in order to further stably fix the metal terminal 3 in the insulating body 2 and prevent the ground terminal 31 from being separated from the insulating body 2 due to an external force, a first bending portion 351 is provided on the contact portion 35 of the ground terminal 31, the power terminal 32 and the signal terminal 33 in the stopper portion 22, and a second bending portion 341 is provided on the solder tail portion 34 in the fixing portion 23. In the present embodiment, the first bent portions 351 of the signal terminals 33 and the ground terminals 31 are in the shape of "pi", the first bent portions 351 of the power supply terminals 32 are in the shape of "l", and the second bent portions 341 are in the shape of "l". In this embodiment, bilateral symmetry is provided with a plurality of spacing groove about fixed part 23, is provided with a plurality of and spacing groove spacing stopper one by one on the metal casing 1 inside wall. So that the metal shell 1 and the insulating body 2 are stably assembled together. In this embodiment, the number of the limiting grooves is 3, and 3 limiting grooves b are distributed in a triangular manner. The metal shell 1 is provided with a plurality of metal pins symmetrically arranged at two sides of the metal shell 2.

In the present embodiment, four metal pins are provided, and the metal pins are used to stably fix the Type-C female connector on an external circuit or an external electronic device.

The working principle of the utility model is roughly as follows: the utility model provides a positive reverse plug 3P electric connector, includes metal casing 1, insulator 2 and inlays a plurality of metal terminals 3 on insulator 2, insulator 2 includes: the glue core part 21 and the fixed part 23, the metal terminal 3 is provided with three, and the clearance distribution between metal terminal 3 and the metal terminal 3 avoids mutual contact between the terminal and the terminal, thereby influencing the transmission of signals. The three metal terminals 3 are a ground terminal 31, a power supply terminal 32, and a signal terminal 33, respectively. Each metal terminal 3 includes: a solder leg portion 34 and a contact portion 35. One end of the leg portion 34 extends from the fixing portion 23. The two contact portions 35 are integrally arranged with one end of the leg portion 34, one of the two contact portions 35 is embedded in the rubber core portion 21, and the other one of the two contact portions is exposed outside the rubber core portion 21, and the two contact portions 35 are respectively exposed on the upper side and the lower side of the rubber core portion 21. Two contact parts 35 are arranged on one metal terminal 3, so that the number of the metal terminals 3 of the 3P connector is reduced, the production difficulty is reduced, and the production efficiency is improved.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered by the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a positive reverse plug 3P electric connector, includes metal casing (1), insulator (2) and inlay in a plurality of root metal terminal (3) on insulator (2), insulator (2) include: the rubber core part (21) and the fixing part (23) are characterized in that the number of the metal terminals (3) is three, gaps are distributed between the metal terminals (3) and the metal terminals (3), and the three metal terminals (3) are respectively a grounding terminal (31), a power supply terminal (32) and a signal terminal (33);

each metal terminal (3) comprises: a leg part (34) having one end extended from the fixing part (23); and the contact parts (35) are integrally arranged at one end of the welding foot part (34), one part of the contact parts is embedded in the glue core part (21), the other part of the contact parts is exposed out of the glue core part (21), two contact parts (35) are arranged, and the two contact parts (35) are respectively exposed out of the upper side and the lower side of the glue core part (21).

2. The positive-negative insertion 3P electrical connector according to claim 1, wherein the two contact portions (35) of the power terminal (32) are located between the two contact portions (35) of the ground terminal (31), and the two contact portions (35) of the signal terminal (33) are located between the two contact portions (35) of the power terminal (32).

3. The positive and negative insertion 3P electrical connector according to claim 2, wherein the two contact portions (35) of the ground terminal (31) are provided with fixing grooves (a) on the side away from the exposed surface.

4. The positive and negative plug 3P electrical connector according to claim 3, wherein the two contact portions (35) of the ground terminal (31) are provided with a hook portion (311) on opposite sides, and the hook portion (311) extends from the inside of the core portion (21) to the outside wall of the core portion (21).

5. The reversible 3P electrical connector according to any one of claims 1-4, wherein the ground terminal (31) is η -shaped, the power terminal (32) is h-shaped, and the signal terminal (33) is Y-shaped.

6. The positive and negative plug 3P electrical connector according to claim 5, wherein a limiting table part (22) is arranged on the insulating body (2) between the core part (21) and the fixing part (23), and the thicknesses of the core part (21), the limiting table part (22) and the fixing part (23) are gradually increased.

7. The positive and negative insertion 3P electrical connector according to claim 6, wherein the grounding terminal (31), the power terminal (32) and the signal terminal (33) are provided with a first bending portion (351) at a contact portion (35) located in the stopper table portion (22), and the soldering leg portion (34) is provided with a second bending portion (341) located in the fixing portion (23).

8. The positive and negative insertion 3P electrical connector according to claim 7, wherein the first bent portions (351) of the signal terminals (33) and the ground terminals (31) are "II" -shaped, the first bent portions (351) of the power terminals (32) are "L" -shaped, and the second bent portions (341) are "L" -shaped.

9. The positive and negative insertion 3P electrical connector of claim 1, wherein the solder leg portion (34) is Z-shaped.