CN211017488U

CN211017488U - MINI type USB connector female seat

Info

Publication number: CN211017488U
Application number: CN201921565297.0U
Authority: CN
Inventors: 樊洁; 樊凯
Original assignee: Shenzhen Xinkaijie Electronic Co ltd
Current assignee: Shenzhen Xinkaijie Electronic Co ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-07-14
Anticipated expiration: 2029-09-20

Abstract

The utility model relates to a female seat of MINI type USB connector, including metal casing, insulator and metal terminal, metal casing is the cavity shape, the metal casing rear end is provided with first breach, metal casing's side is provided with the second breach, the insulator includes basal portion and extension, the up end and the lower extreme of basal portion correspond in the face of first breach is provided with the joint piece, the insulator passes through joint piece joint is in the metal casing, the extension upper surface is provided with the recess, the side of extension is provided with the arch, protruding with second breach joint, the metal terminal includes elasticity portion and weld part, the metal terminal is installed in the insulator and the elasticity portion protrusion the recess, the weld part stretch out to outside the arch. The utility model discloses can effectively improve the joint strength between insulator and the metal casing, avoid the insulator to take place the dislocation in the metal casing.

Description

MINI type USB connector female seat

Technical Field

The utility model relates to an electric connector technical field especially relates to a female seat of MINI type USB connector.

Background

The USB connector is divided into three types, namely a standard USB connector, a MINI type USB connector and a Micro USB connector, and compared with a common standard USB connector, the MINI type USB connector is smaller in size and suitable for small electronic equipment such as mobile equipment.

The terminals exposed on the MINI type USB connector need to be welded on the corresponding circuit board to form electrical connection with the circuit board, so that data exchange between the electronic equipment and the outside is realized. The MINI type USB connector female seat is found in the use process, and due to the fact that clamping between an insulator and a metal shell inside the MINI type USB connector female seat is not stable enough, the MINI type USB connector female seat is easy to loosen after a long time, and signal transmission is poor. Moreover, the current MINI USB connector female socket is generally a straight type and does not have a bent female socket.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a MINI USB connector female socket, which can effectively improve the connection strength between the insulator and the metal shell and prevent the insulator from being dislocated in the metal shell, in view of the situations that the connection strength between the insulator and the metal shell in the MINI USB connector female socket is not sufficient and the MINI USB connector female socket is not bent.

The utility model provides a female seat of MINI type USB connector, includes metal casing, insulator and metal terminal, metal casing is the cavity shape, the metal casing rear end is provided with first breach, metal casing's side is provided with the second breach, the insulator includes basal portion and extension, the up end and the lower terminal surface of basal portion correspond first breach is provided with the joint piece, the insulator passes through joint piece joint is in the metal casing, the extension upper surface is provided with the recess, the side of extension is provided with the arch, protruding with second breach joint, the metal terminal includes elasticity portion and welding part, the metal terminal is installed in the insulator and the elasticity portion protrusion the recess, the welding part stretches out to outside the arch.

Preferably, a bending portion is disposed between the elastic portion and the welding portion.

Preferably, the upper surface and the lower surface of the metal shell are provided with elastic sheets.

Preferably, welding portions are further provided above and below the second notch.

Preferably, one end of the welding part, which is far away from the metal shell, is provided with a fork.

Preferably, the metal terminal is made of copper, and the surface of the metal terminal is plated with gold.

The utility model discloses an useful part lies in: 1. the MINI type USB connector female seat designed by the utility model is suitable for small electronic equipment, the side surface of the female seat is connected with a circuit board (not shown in the figure), and the occupied volume is small; 2. the metal shell and the insulator adopt a clamping positioning structure, so that the phenomenon that the insulator shifts in the metal shell can be prevented, and the male seat and the female seat are poor in electric connection.

Drawings

Fig. 1 is a perspective view of a MINI USB connector female socket according to an embodiment of the present invention;

FIG. 2 is an exploded view of a MINI USB connector female socket;

fig. 3 is a perspective view of the metal housing.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-2, a MINI USB connector female socket includes a metal shell 1, an insulator 2 and a metal terminal 3, where the metal shell 1 is hollow, a first notch 11 is disposed at a rear end of the metal shell 1, a second notch 12 is disposed at a side surface of the metal shell 1, the insulator 2 includes a base 21 and a protrusion 22, a clamping block 211 is disposed on an upper end surface and a lower end surface of the base 21 corresponding to the first notch 11, the insulator 2 is clamped in the metal shell 1 through the clamping block 211, a groove 221 is disposed on an upper surface of the protrusion 22, a protrusion 222 is disposed on a side surface of the protrusion 22, the protrusion 222 is clamped with the second notch 12, the metal terminal 3 includes an elastic portion 31 and a welding portion 32, the metal terminal 3 is mounted in the insulator 2 and the elastic portion 31 protrudes out of the groove 221, the welding portion 32 protrudes out of the protrusion 222. Specifically, in the present embodiment, the insulator 2 is made of plastic material, the insulator 2 includes a base portion 21 and an extension portion 22, when producing and assembling, the metal terminal 3 is first installed in the insulator 2, the metal terminal 3 is made of copper, the surface of the metal terminal 3 is plated with gold, the elastic portion 31 of the metal terminal 3 protrudes out of the groove on the extension portion 22, so that the female socket and the male socket (not shown in the figure) are correspondingly abutted, and the electrical connection performance between the female socket and the male socket is improved. Furthermore, the soldering portion 32 of the metal terminal 3 correspondingly extends out of the protrusion 222, so as to be conveniently soldered to a circuit board (not shown in the figure), and meanwhile, the protrusion 222 can be further clamped with the second notch 12 on the metal shell 1, so as to prevent the insulator 2 from shifting in the metal shell 1, and in addition, the protrusion 222 is made of plastic, so as to prevent the soldering portion 32 from being electrically connected with the metal shell 1, and to achieve the electromagnetic shielding effect. Further, after the insulator 2 and the metal terminal 3 are assembled, the four clamping blocks 211 on the insulator 2 are clamped with the corresponding first notches 11 on the metal shell 1, and then the assembly is completed. In addition, in order to improve the joint strength between the metal shell 1 and the insulator 2, an insulating sealant may be added to the joint between the metal shell 1 and the insulator 2.

As shown in fig. 2, a bent portion 33 is provided between the elastic portion 31 and the welding portion 32. Specifically, the metal terminal 3 has a bending structure, so that the welding part 32 can be conveniently extended out from the side surface of the insulator 2 to be welded with a circuit board, the welding is more convenient, and the occupied volume of the interior of the electronic equipment is smaller.

As shown in fig. 1, the upper surface and the lower surface of the metal housing 1 are provided with elastic pieces 13. Specifically, when the male socket is connected with the female socket, the elastic sheet 13 provides opposite elastic forces to the metal terminals 3 of the male socket and the female socket, so that the electrical connection performance of the male socket and the female socket is improved, and poor contact of the male socket and the female socket is avoided.

As shown in fig. 3, welding portions 14 are further disposed above and below the second notch 12, and a branch 141 is disposed at an end of the welding portion 14 away from the metal shell 1. Specifically, the soldering portion 14 is integrally formed with the metal shell 1, the soldering portion 14 is correspondingly fixed to the circuit board by welding, and the end portion of the soldering portion 14 is provided with the branch 141, so that tin can be accommodated conveniently during soldering, and the connection strength between the soldering portion 14 and the circuit board is improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a female seat of MINI type USB connector, includes metal casing, insulator and metal terminal, its characterized in that: metal casing is the cavity shape, the metal casing rear end is provided with first breach, metal casing's side is provided with the second breach, the insulator includes basal portion and extension, the up end of basal portion and lower terminal surface correspond first breach are provided with the joint piece, the insulator passes through joint piece joint is in the metal casing, the extension upper surface is provided with the recess, the side of extension is provided with the arch, protruding with second breach joint, the metal terminal includes elasticity portion and welding part, the metal terminal is installed in the insulator and the elasticity portion protrusion the recess, the welding part stretch out to outside the arch.

2. The MINI USB connector female receptacle according to claim 1, wherein: a bending part is arranged between the elastic part and the welding part.

3. The MINI USB connector female receptacle according to claim 2, wherein: and the upper surface and the lower surface of the metal shell are provided with elastic sheets.

4. The female connector holder of MINI type USB according to claim 3, wherein: welding parts are further arranged above and below the second notch.

5. The female connector holder of the MINI USB type according to claim 4, wherein: and a fork is arranged at one end of the welding part, which is far away from the metal shell.

6. The MINI USB connector female receptacle according to claim 1, wherein: the metal terminal is made of copper, and the surface of the metal terminal is plated with gold.