CN214542605U

CN214542605U - Simple USB socket

Info

Publication number: CN214542605U
Application number: CN202120611178.5U
Authority: CN
Inventors: 顾远文
Original assignee: Shenzhen Everwin Precision Technology Co Ltd
Current assignee: Shenzhen Everwin Precision Technology Co Ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-10-29
Anticipated expiration: 2031-03-25

Abstract

The utility model provides a simple and easy type USB socket, includes plug connector and cover and locates the outer casing of plug connector, the plug connector includes the terminal group and will terminal group fixing insulator as an organic whole, insulator includes the basal portion and certainly the butt joint tongue that the basal portion forward extension formed, the terminal group is formed through the punching press of same sheet metal, every conductive terminal of terminal group all is including burying fixing portion in the insulator, certainly fixing portion extends backward the outer leg of insulator and certainly fixing portion front side makes progress respectively or downwardly extending to contact site on the butt joint tongue upper and lower surface. The application can effectively reduce the cost.

Description

Simple USB socket

Technical Field

The utility model relates to an electric connector field especially relates to a simple and easy type USB socket.

Background

USB3.1 Type C Type socket is one kind and supports the USB interface of positive and negative grafting, and it has promoted powerful data transmission ability and power transmission ability, is a general interface standard who is widely acknowledged and adopted by international society simultaneously, is just comprehensively replacing traditional Micro USB interface. Carry out comprehensive substitution in fields such as communication, electronic product, little household electrical appliances, for example, in the cell-phone communication field, to the existing demand of charging of the functional demand of interface, have large capacity data transmission's requirement simultaneously, be applicable to the Type C interface of global function, and the socket of the Type C interface of global function generally includes upper and lower two rows of independent terminal groups, arrange the baffle between upper and lower two rows of terminal groups in, with terminal group and baffle fixing insulator and cover as an organic whole are located the outer shell of insulator. The manufacturing process for producing the full-function Type C socket is very complex, multiple times of injection molding are needed, the reject ratio is extremely high, the waterproof requirement is met, and the manufacturing cost is extremely high. And to some small household electrical appliances fields, this Type C's unification only need charge the function can, do not have the requirement to data transmission, also do not have the demand of heavy current, so need develop the Type C socket of a very simple Type of a section to reduce the cost of the product that does not have data transmission, no heavy current transmission requirement.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide a simple USB socket, which can be manufactured by one-step punch forming of the terminal, elimination of the partition plate, and one-step injection molding, so as to reduce the manufacturing cost.

For solving above-mentioned technical problem, the application provides a simple and easy type USB socket, locate including plug connector and cover the outer casing of plug connector, the plug connector includes terminal group and will terminal group fixing insulator as an organic whole, insulator includes the basal portion and certainly the butt joint tongue that the basal portion was preceding to extend and is formed, terminal group forms through the punching press of same sheet metal, every conductive terminal of terminal group all is including burying fixing portion in the insulator, certainly fixing portion extends backward the outer leg of insulator and certainly fixing portion front side makes progress respectively or downwardly extending extremely contact site on the upper or lower surface of butt joint tongue.

Preferably, the conductive terminals of the contact portion extending to the upper surface of the docking tongue portion constitute an upper row of terminal sets, and the conductive terminals of the contact portion extending to the lower surface of the docking tongue portion constitute a lower row of terminal sets.

Preferably, the upper row terminal set and the lower row terminal set are point-symmetric with respect to the center position of the docking tongue, and the upper row terminal set and the lower row terminal set respectively include a ground terminal located at the outermost side in the lateral direction and a power terminal located at the inner side of the ground terminal.

Preferably, the front end of the holding part of the ground terminal extends forwards continuously to form an extending plate body in parallel, and the contact part of the ground terminal is formed by tearing downwards or upwards from the extending plate body.

Preferably, the lateral outer side of the extension plate body is exposed to the lateral outer side of the docking tongue portion and forms a fastening portion, and the fastening portion is fastened with a docking plug.

Preferably, the contact portion of the power terminal is formed by bending upward from the front end of the holding portion and then horizontally extending, and the front end of the contact portion of the power terminal is bent toward the middle position of the mating tongue portion to form an embedded end portion embedded in the insulating body.

Preferably, the ground terminals and the contact portions of the power terminals of the upper row of terminal groups are sequentially arranged on the upper surface of the docking tongue from right to left, and the ground terminals and the contact portions of the power terminals of the lower row of terminal groups are sequentially arranged on the lower surface of the docking tongue from left to right.

Preferably, the upper row terminal group and the lower row terminal group further comprise a detection terminal positioned inside the power supply terminal, and the structure of the detection terminal is consistent with that of the power supply terminal.

Preferably, the front end edge of the base part of the insulating body is provided with a blocking groove, the rear end edge of the base part is provided with a clamping groove, the shell comprises an annular wall surrounding a cavity which is through from front to back, and the upper surface and the lower surface of the annular wall are respectively stamped towards the cavity to form a stop block and a clamping piece which are correspondingly clamped in the blocking groove and the clamping groove.

Preferably, the upper surface or the lower surface of the annular wall is further stamped to form a pressed sheet extending into the cavity, and the side surface of the annular wall is torn to form a welding pin.

This simple and easy type USB socket of application is connected last row terminal group and lower row terminal group on a material area through a metal sheet stamping forming to realize injection moulding once easily insulator, very big simplification manufacturing process has reduced manufacturing cost. Structurally, the front ends of different conductive terminals of one terminal group are bent or torn to protrude to form contact parts respectively exposed on the upper surface or the lower surface of the butt joint tongue part, so that the forward and reverse insertion is realized.

Drawings

Fig. 1 is a perspective assembly view of the simple USB socket of the present application;

FIG. 2 is an exploded perspective view of the simplified USB socket of the present application;

fig. 3 is a perspective view of a terminal set of the simple USB socket of the present application;

FIG. 4 is a side view of the terminal set of the simplified USB socket of the present application;

fig. 5 is a cross-sectional view taken along the broken line a-a shown in fig. 4.

The meaning of the reference symbols in the drawings is:

a shell-10; an annular wall-11; a block-111; a buckling sheet-112; compressed tablets-113; welding pins-114; a cavity-12; an insulator body-20; a base-21; a baffle groove-211; a snap groove-212; a transition-22; a docking tongue-23; a terminal group-30; an upper row terminal group-30 a; a lower row terminal set-30 b; a ground terminal-31; a power supply terminal-32; a detection terminal-33; a holding portion-311; a solder tail-312; a contact portion-313; an extension plate body-314; a latch-315; end-316 is buried.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" 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.

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 in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

In the present application, the X direction shown in fig. 1 is the left-right direction (lateral direction), the Y direction is the front-back direction (longitudinal direction), and the Z direction is the vertical direction (vertical direction).

Referring to fig. 1 and fig. 2, the simple USB socket of the present application includes a plug a and a housing 10 sleeved outside the plug a.

The casing 10 includes the annular wall 11 and passes through the cavity 12 that the annular wall 11 surrounds and link up from beginning to end, plug connector A cover is located in the cavity 12. The upper and lower surfaces of the tail of the annular wall 11 are respectively stamped into the cavity 12 to form a stopper 111, the rear side of the stopper 111 is further stamped to form a buckling piece 112, and a pressing piece 113 stamped from the upper or lower surface of the annular wall 11 toward the cavity 12. The annular wall 11 is torn transversely outward to form soldering pins 114.

The plug connector a includes a terminal set 30 and an insulating body 20 for integrally holding the terminal set 30. The insulative body 20 includes a base 21, a docking tongue 23 formed extending forwardly from the base 21, and a transition 22 formed between the docking tongue 23 and the base 21. The front end edge of the base 21 is provided with a retaining groove 211 for the stopper 111 to abut against, and the rear end edge of the base 21 is provided with a fastening groove 212 for the fastening piece 112 to be fastened into.

When the plug connector A is assembled, the plug connector A is firstly inserted from the rear side of the shell 10, the stop groove 211 of the front end edge of the base part 21 abuts against the stop block 111 to limit the plug connector A to move forwards continuously, and then the buckling piece 112 is bent to enable the buckling piece 112 to be buckled in the buckling groove 212 to prevent the plug connector A from moving backwards, so that the plug connector A is fixed in the shell 10.

As shown in fig. 2 to 5, the terminal set 30 includes an upper row terminal set 30a and a lower row terminal set 30b, and the upper row terminal set 30a and the lower row terminal set 30b respectively include a ground terminal 31 located at the outermost side in the transverse direction, a power terminal 32 located inside the ground terminal 31, and a detection terminal 33 located inside the power terminal 32. The upper row terminal set 30a and the lower row terminal set 30b are formed by one-step press, and each conductive terminal of the upper row terminal set 30a and the lower row terminal set 30b includes a holding portion 311 formed in the insulating body 20, a solder leg 312 extending from the rear side of the holding portion 311 to the outside of the insulating body 20, and a contact portion 313 extending from the front end of the holding portion 311 to the upper surface or the lower surface of the mating tongue 23.

Specifically, the holding portion 311 and the solder leg 312 of each conductive terminal of the upper row terminal set 30a and the lower row terminal set 30b are located on the same plane and embedded in the middle of the insulating body 20 in the vertical direction. The contact portion 313 is formed by bending and extending upward or downward from the holding portion 311 and is exposed on the upper and lower surfaces of the docking tongue 23.

The ground terminal 31 further includes an extension plate 314 extending forward from the holding portion 311 in parallel, and the contact portion of the ground terminal 31 is formed by tearing a surface portion of the extension plate 314 and protruding upward or downward. The horizontal outside of extension plate body 314 exposes the horizontal outside of butt joint tongue 23 forms buckle portion 315, certain plug-pull power is realized with the plug cooperation to buckle portion 315, avoids the plug to take off with this application socket pine and falls the power.

The contact portion 313 between the power terminal 32 and the detection terminal 33 is formed by bending the front end of the holding portion 311 upward or downward and then extending horizontally, and the front end of the contact portion 313 is bent downward to newly form a rivet end 316 embedded in the mating tongue portion 23.

The upper row terminal set 30a and the lower row terminal set 30b respectively include three conductive terminals, and in practical implementation, the detection terminal 33 may be eliminated, and only the ground terminal 31 and the power terminal 32 are reserved. The contact portions 313 of the upper row terminal group 30a and the lower row terminal group 30b on the upper and lower surfaces of the docking tongue 23 are point symmetrical by 180 degrees, that is, if the ground terminal 31, the power terminal 32, and the detection terminal 33 of the upper row terminal group 30a are sequentially arranged from right to left, the ground terminal 31, the power terminal 32, and the detection terminal 33 of the lower row terminal group 30b are sequentially arranged from left to right.

The upper row terminal set 30a and the lower row terminal set 30b are stamped from the same metal plate, and the holding portions 311 are all embedded in the insulating body 20 in the same plane, so that only the front sides of the holding portions 311 of different conductive terminals need to be bent up or down to be exposed on the upper or lower surfaces of the mating tongues 23. Meanwhile, there is no partition plate, and the upper row terminal group 30a and the lower row terminal group 30b are actually a terminal group, so that when the insulation body 20 is injection molded, the terminal group 30 can be well positioned, and one-time injection molding is realized. Therefore, the manufacturing process is greatly simplified, and a large amount of manufacturing cost is saved.

This simple and easy type USB socket of application is connected last row terminal group 30a and lower row terminal group 30b on a material area through a metal sheet stamping forming to realize injection moulding at a time easily insulator has greatly simplified manufacturing process, has reduced manufacturing cost. Structurally, the front ends of different conductive terminals of one terminal set 30 are bent or torn to protrude to form contact portions 313 respectively exposed on the upper surface or the lower surface of the butt tongue portion 23, so that the forward and reverse insertion is realized.

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

The above examples only represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the 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 simple and easy type USB socket, includes plug connector and cover and locates the outer casing of plug connector, the plug connector includes the terminal group and will terminal group fixing insulator as an organic whole, insulator includes the basal portion and certainly the butt joint tongue portion that the basal portion forward extension formed, its characterized in that, the terminal group is formed through the punching press of same sheet metal, every conductive terminal of terminal group all including imbed fixing portion in the insulator, certainly fixing portion extends backward the outer leg of insulator and certainly fixing portion front side upwards respectively or downwardly extending extremely contact site on the upper or lower surface of butt joint tongue portion.

2. The USB receptacle of claim 1, wherein the conductive terminals of the contact portion extending to the upper surface of the docking tongue portion form an upper row of terminals, and the conductive terminals of the contact portion extending to the lower surface of the docking tongue portion form a lower row of terminals.

3. The USB socket as claimed in claim 2, wherein the upper row of terminals and the lower row of terminals are point symmetrical with respect to the center of the tongue portion, and the upper row of terminals and the lower row of terminals respectively include a ground terminal located at the outermost side and a power terminal located at the inner side of the ground terminal.

4. The USB socket as claimed in claim 3, wherein the front end of the holding portion of the ground terminal is extended forward and parallel to form an extension plate, and the contact portion of the ground terminal is torn and torn downward or upward from the extension plate.

5. The USB hub according to claim 4, wherein the extension plate is exposed on an outer lateral surface of the docking tongue and forms a locking portion, and the locking portion is locked to a docking plug.

6. The USB socket according to claim 3, wherein the contact portion of the power terminal is bent upward from the front end of the holding portion and then horizontally extends, and the front end of the contact portion of the power terminal is bent toward the middle of the mating tongue portion to form an embedded end portion embedded in the insulating body.

7. The USB receptacle according to claim 6, wherein the ground terminals and the power terminals of the upper row of terminal sets are arranged on the upper surface of the docking tongue from right to left, and the ground terminals and the power terminals of the lower row of terminal sets are arranged on the lower surface of the docking tongue from left to right.

8. The USB socket of claim 7, wherein the upper and lower terminal sets further comprise a detection terminal located inside the power terminal, and the detection terminal has a structure corresponding to the structure of the power terminal.

9. The USB socket as claimed in claim 1, wherein the insulating body has a front edge and a rear edge, the front edge and the rear edge of the base portion have a retaining groove, the housing has an annular wall enclosing a cavity extending through the front and rear surfaces, and the upper and lower surfaces of the annular wall are stamped into the cavity to form a stopper and a locking piece that are locked in the retaining groove and the locking groove.

10. The USB socket as claimed in claim 9, wherein the annular wall has a pressed piece stamped on its upper or lower surface and extending into the cavity, and the side surface of the annular wall is torn to form the soldering pin.