CN216120872U

CN216120872U - Novel female end structure of USB connector

Info

Publication number: CN216120872U
Application number: CN202122738031.5U
Authority: CN
Inventors: 周捷
Original assignee: Suzhou Hexinrun Electronics Co ltd
Current assignee: Shenzhen Santong Connector System Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-03-22
Anticipated expiration: 2031-11-10

Abstract

The utility model relates to the technical field of USB connectors, in particular to a novel USB connector female end structure which comprises a metal shell and a plastic main body, wherein the metal shell is wrapped outside the plastic main body, mounting grooves are formed in two sides above the plastic main body in a penetrating mode, elastic terminals are mounted in the two mounting grooves respectively and comprise end pieces, two side pressing pieces and elastic pieces, and the end pieces are located at one ends of the elastic terminals. The utility model has the beneficial effects that: the utility model redesigns the metal elastic terminal, changes the interference fit of the elastic terminal and the plastic main body into the snap structure fit, inserts the elastic terminal into the mounting groove, and extrudes the side pressure pieces at two sides of the elastic terminal through the inner walls of the snap grooves at two sides of the mounting groove, thereby more tightly assembling the elastic terminal on the plastic main body and effectively increasing the holding force of the elastic terminal; the female end structure of the USB connector has good social benefits and is suitable for popularization and use.

Description

Novel female end structure of USB connector

Technical Field

The utility model relates to the technical field of application of connector female end structures, in particular to a novel USB connector female end structure.

Background

The USB connector is used by matching a female end structure with a male end structure, and in the female end structure of the USB connector, the holding force of the terminal is generally smaller because the metal terminal and the plastic are in interference fit.

Chinese patent with publication number CN205882271U discloses a USB female end plug, including main part iron shell, backshell and main part, one side end of main part iron shell has and holds the chamber, the opposite side end of main part iron shell has the line and holds in the palm, main part iron shell has the assembly portion holding between chamber and the line support, the assembly portion includes breach and the connection piece that has the connecting hole, it has first window group to open on the bearing surface of main part iron shell, the tip of backshell has holds in the palm matched with line lid with the line, the backshell still has the cooperation portion, cooperation portion includes with breach matched with inserted block and with connection piece matched with lock piece as the leading features, it is rational in infrastructure to have, and convenient for assembly, effectual when moulding plastics, be convenient for connect characteristics such as external circuit simultaneously, this USB female end plug has the problem that metal elasticity terminal has exited the plastic main part.

The existing USB connector female end structure has many defects, and in the process of plugging and unplugging, the metal elastic terminal already exits from the plastic main body, and the metal elastic terminal is not tightly assembled with the plastic main body, so that the USB connector female end structure breaks down, and the service life of the USB connector female end structure is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a novel USB connector female end structure.

A novel USB connector female end structure comprises a metal shell and a plastic main body, wherein the metal shell is wrapped outside the plastic main body, mounting grooves are formed in two sides above the plastic main body in a penetrating mode, and elastic terminals are mounted in the two mounting grooves;

the elastic terminal comprises an end piece, two side pressing pieces and an elastic piece, wherein the end piece is located at one end of the elastic terminal, the elastic piece is located at the other end of the elastic terminal, and the two side pressing pieces are respectively arranged on two sides of the end piece.

Preferably, a male end connecting groove is formed in one end of the plastic main body, a plurality of signal terminals are arranged below the other end of the plastic main body at equal intervals, and the cross section of each signal terminal is of an inverted L-shaped structure.

Preferably, the end piece is of a T-shaped structure, and the pressing grooves are formed between the end piece and the two side pressing pieces.

Preferably, the middle parts of the two sides of the mounting groove are respectively provided with a catching groove, the catching grooves are matched with the side pressing pieces, and the side pressing pieces on the two sides of the end piece are clamped by the catching grooves on the two sides of the mounting groove respectively, so that the installation tightness of the elastic terminal is improved.

Preferably, the section of the elastic piece is in a V-shaped structure, when the elastic terminal is inserted into the mounting groove of the plastic main body, the elastic piece in the V-shaped structure is extruded by the bottom of the mounting groove, the fastening performance of the elastic terminal in the mounting groove is greatly improved, and one end, close to the end piece, of the side pressing piece is provided with a protrusion with a trapezoidal section, and the protrusion can be better extruded by the buckling groove, so that the elastic terminal is more firmly mounted in the mounting groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model redesigns the metal elastic terminal, changes the interference fit between the elastic terminal and the plastic main body into the buckling structure fit, inserts the elastic terminal into the mounting groove, and extrudes the side pressure sheets at two sides of the elastic terminal through the inner walls of the buckling grooves at two sides of the mounting groove, thereby more tightly assembling the elastic terminal on the plastic main body and effectively increasing the holding force of the elastic terminal.

2. When the elastic terminal is inserted into the mounting groove of the plastic main body, the elastic sheet in a V-shaped structure is extruded by the bottom of the mounting groove, so that the assembly tightness of the elastic terminal in the mounting groove is greatly improved; the female end structure of the USB connector has good social benefits and is suitable for popularization and use.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic oblique view of the present invention.

FIG. 3 is an enlarged view of the area A in FIG. 2 according to the present invention.

FIG. 4 is a schematic diagram of the plastic body and the elastic terminal of the present invention separated from each other.

Fig. 5 is a schematic view of the elastic terminal structure of the present invention.

In the figure: 1. a metal housing; 101. a male end connection slot; 2. a plastic body; 3. an elastic terminal; 4. a signal terminal; 5. an attaching groove; 6. buckling grooves; 7. an end piece; 8. side pressing sheets; 9. pressing a groove; 10. an elastic sheet.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-5, a novel USB connector female end structure includes a metal housing 1 and a plastic main body 2, the metal housing 1 is wrapped outside the plastic main body 2, and mounting grooves 5 are respectively arranged on two sides above the plastic main body 2 in a penetrating manner, and elastic terminals 3 are respectively mounted inside the two mounting grooves 5;

wherein, elastic terminal 3 includes end piece 7, two side preforming 8 and shell fragment 10, and end piece 7 is located elastic terminal 3 one end, and shell fragment 10 is located the 3 other ends of elastic terminal, and two side preforming 8 set up the both sides at end piece 7 respectively.

In an optional implementation manner of the embodiment of the present invention, a male terminal groove 101 is disposed inside one end of the plastic main body 2, and a plurality of signal terminals 4 are disposed below the other end of the plastic main body 2 at equal intervals, and the cross section of each signal terminal 4 is an inverted "L" shaped structure.

In an optional implementation manner of the embodiment of the utility model, the end piece 7 is of a T-shaped structure, so that the end piece 7 can be conveniently connected with a metal pin, and the pressing grooves 9 are respectively arranged between the end piece 7 and the two side pressing pieces 8, so that the side pressing pieces 8 can move when being pressed through the pressing grooves 9.

In an optional implementation manner of the embodiment of the utility model, the middle parts of two sides of the mounting groove 5 are provided with the fastening grooves 6, the fastening grooves 6 are matched with the side pressing pieces 8, and the fastening performance of the elastic terminal 3 is improved by respectively clamping the side pressing pieces on two sides of the end piece 7 through the fastening grooves 6 on two sides of the mounting groove 5.

In an optional implementation manner of the embodiment of the utility model, the section of the elastic piece 10 is in a V-shaped structure, when the elastic terminal 3 is inserted into the mounting groove 5 of the plastic main body 2, the elastic piece 10 in the V-shaped structure is pressed by the bottom of the mounting groove 5, the assembling tightness of the elastic terminal 3 in the mounting groove 5 is greatly improved, and one end of the side pressing piece 8, which is close to the end piece 7, is provided with a protrusion with a trapezoidal section, and the protrusion can be better pressed by the buckling groove 6, so that the elastic terminal 3 is more firmly mounted in the mounting groove 5;

the utility model redesigns the metal elastic terminal 3, changes the interference fit between the elastic terminal 3 and the plastic main body 2 into a snap structure fit, inserts the elastic terminal 3 into the attaching groove 5, and presses the side pressing sheets 8 at two sides of the elastic terminal through the inner walls of the snap grooves 6 at two sides of the attaching groove 5, thereby more tightly assembling the elastic terminal 3 on the plastic main body 2 and effectively increasing the holding force of the elastic terminal 3;

when the elastic terminal 3 is inserted into the attaching groove 5 of the plastic body 2, the elastic piece 10 in the "V-shaped" structure is pressed by the bottom of the attaching groove 5, and the fastening of the elastic terminal 3 to the attaching groove 5 is also greatly improved.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel female end structure of USB connector which characterized in that: including metal casing (1) and plastic main part (2), its characterized in that: the metal shell (1) is wrapped outside the plastic main body (2), mounting grooves (5) are formed in two sides above the plastic main body (2) in a penetrating mode, and elastic terminals (3) are mounted in the two mounting grooves (5);

the elastic terminal (3) comprises an end piece (7), two side pressing pieces (8) and an elastic piece (10), wherein the end piece (7) is located at one end of the elastic terminal (3), the elastic piece (10) is located at the other end of the elastic terminal (3), and the two side pressing pieces (8) are respectively arranged on two sides of the end piece (7).

2. The novel female end structure of the USB connector according to claim 1, wherein: the plastic body (2) one end is inside to be provided with public end and connects groove (101), and plastic body (2) other end below is equidistant to be provided with a plurality of signal terminal (4), the cross-section of signal terminal (4) is for falling "L" shape structure.

3. The novel female end structure of the USB connector according to claim 1, wherein: the end piece (7) is of a T-shaped structure, and pressing grooves (9) are formed between the end piece (7) and the two side pressing pieces (8).

4. The novel female end structure of the USB connector according to claim 3, wherein: the middle parts of two sides of the mounting groove (5) are provided with buckle grooves (6), and the buckle grooves (6) are matched with the side pressing plates (8).

5. The novel female end structure of the USB connector according to claim 1, wherein: the section of the elastic sheet (10) is of a V-shaped structure, and a protrusion with a trapezoidal section is arranged at one end of the side pressing sheet (8) close to the end sheet (7).