CN214505954U

CN214505954U - Improved USB connector iron shell short-circuit structure

Info

Publication number: CN214505954U
Application number: CN202120858970.0U
Authority: CN
Inventors: 唐巍; 尹龙
Original assignee: Dongguan Yonghao Electronics Co ltd
Current assignee: Dongguan Yonghao Electronics Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-10-26
Anticipated expiration: 2031-04-23

Abstract

The utility model relates to an improved USB connector iron shell shorting structure, comprising a rubber seat and an iron shell sleeved on the outside of the rubber seat, a plug slot is formed between the front end of the rubber seat and the iron shell, The end has a protruding part that protrudes backwards from the outside of the iron shell, the insertion slot is provided with a grounding terminal, the rear end of the grounding terminal has a grounding part that extends backward to the protruding part, and the grounding part has a U-shaped slot with an upward opening. , the opening of the U-shaped slot is arranged in a horn shape, the rear end of the iron shell has a grounding pin bent downward, the end of the grounding pin protrudes into the U-shaped slot and collides with the bottom of the U-shaped slot, and the left and right sides of the end of the grounding pin Both have outwardly protruding pressing projections, and the two pressing projections are respectively in contact with the left inner wall surface and the right inner wall surface of the U-shaped groove. The utility model adopts three contact points to improve the grounding stability of the connector and avoid Affected by vibration or external force, the product reliability is better.

Description

Improved USB connector iron shell short-circuit structure

Technical Field

The utility model relates to a connector technical field, concretely relates to USB connector iron-clad short circuit structure of improvement.

Background

The USB connector is widely applied to various electric appliances such as mobile phones, computers, automotive electronics, multimedia and the like, and mainly comprises a rubber base and an iron shell sleeved outside the rubber base. The shaping has the ground connection foot on the current iron-clad, is equipped with ground terminal on the gluey seat, and ground connection is realized in the conflict of the terminal ground terminal of ground connection foot, because ground connection foot and ground terminal contact point only have one, connector ground connection stability is low, easily receives vibration or external force influence, and product reliability is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the disappearance that prior art exists, provide a USB connector iron-clad short circuit structure of improvement, it adopts three contact point, improves connector ground connection stability, avoids receiving vibration or external force to influence, and product reliability is better.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a USB connector iron-clad short circuit structure of improvement, includes that rubber base and cover locate the outer iron-clad of rubber base, be formed with the inserting groove between the front end of rubber base and the iron-clad, the rear end of rubber base has the extension that stretches out the iron-clad outside backward, be equipped with ground terminal in the inserting groove, ground terminal's rear end has the ground connection portion that extends to the extension backward, ground connection portion has opening U-shaped groove upwards, the iron-clad rear end has the ground connection foot of buckling downwards, the end of ground connection foot stretches into the U-shaped inslot and contradicts with the bottom in U-shaped groove to the end left and right sides of ground connection foot all has outside convex to press the arch, two it contradicts with the left internal face and the right internal face in U-shaped groove respectively to press the arch.

Preferably, the opening of the U-shaped groove is flared.

Preferably, the included angle between the left inner wall surface and the right inner wall surface is 10-60 degrees.

Preferably, the included angle between the left inner wall surface and the right inner wall surface is 20-40 degrees.

As a preferred scheme, a plurality of conductive terminals are further arranged in the insertion groove, the rear ends of the conductive terminals are provided with conductive parts which extend backwards to the upper part of the extending parts, and the grounding parts and the conductive parts are arranged side by side.

Preferably, the upper surface of the extension portion is provided with accommodating grooves corresponding to the grounding portion and the conducting portion one by one, and the grounding portion and the conducting portion are arranged in the corresponding accommodating grooves.

Preferably, the grounding pin extends obliquely downwards.

Preferably, a neck is formed on one side of the end, away from the grounding pin, of the pressing protrusion, and the width of the neck is gradually reduced from top to bottom.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, through the earthing terminal rear end setting have the earthing portion in U-shaped groove, all set up in the terminal both sides of ground connection foot and support and press the arch, the end of ground connection foot is contradicted with the bottom in U-shaped groove, two are supported and are pressed the arch and contradict with the internal face in U-shaped groove, replace traditional single contact point by three contact point, thereby improve connector ground connection stability, and three contact point constitutes triangle-shaped, can avoid receiving vibration or external force influence, product reliability is better.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic view of another structure of the present invention;

fig. 3 is a side view of an embodiment of the invention.

The attached drawings indicate the following:

10-a rubber base; 11-a plug groove; 12-an extension; 13-a receiving groove;

14-a ground terminal; 15-a ground part; 151-U-shaped slot; 152-left inner wall surface;

153-right inner wall face; 16-a conductive terminal; 17-a conductive portion; 20-iron shell;

21-a ground pin; 22-terminal end; 23-pressing the protrusion; 24-neck.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1-3, an improved USB connector iron shell short circuit structure includes a rubber base 10 and an iron shell 20 sleeved outside the rubber base 10, a plug-in groove 11 is formed between a front end of the rubber base 10 and the iron shell 20, a protruding portion 12 protruding backward from an outer side of the iron shell 20 is provided at a rear end of the rubber base 10, a ground terminal 14 is provided in the plug-in groove 11, a ground portion 15 extending backward to the protruding portion 12 is provided at a rear end of the ground terminal 14, the ground portion 15 has a U-shaped groove 151 with an upward opening, the U-shaped groove 151 has a trumpet-shaped opening, a ground pin 21 bending downward is provided at a rear end of the iron shell 20, a tail end 22 of the ground pin 21 extends into the U-shaped groove 151 to be in contact with a bottom of the U-shaped groove 151, pressing protrusions 23 protruding outward are provided at left and right sides of the tail end 22 of the ground pin 21, and the two pressing protrusions 23 respectively contact with a left inner wall surface 152 and a right inner wall surface 153 of the U-shaped groove 151, the included angle between the left inner wall surface 152 and the right inner wall surface 153 is 10-60 degrees, preferably 30 degrees, the grounding pin 21 extends obliquely downwards, a neck portion 24 is formed on one side of the pressing protrusion 23 away from the tail end 22 of the grounding pin 21, and the width of the neck portion 24 is gradually reduced from top to bottom.

The inserting groove 11 is further provided with a plurality of conductive terminals 16, the rear ends of the conductive terminals 16 are provided with conductive parts 17 extending backwards to the upper side of the extending part 12, the grounding part 15 and the conductive parts 17 are arranged side by side, the upper surface of the extending part 12 is provided with accommodating grooves 13 corresponding to the grounding part 15 and the wire part one by one, and the grounding part 15 and the conductive parts 17 are arranged in the corresponding accommodating grooves 13.

To sum up, the utility model discloses a set up the ground connection portion that has the U-shaped groove in the rear end of ground connection terminal, all set up in the terminal both sides of ground connection foot and support and press the arch, the end of ground connection foot is contradicted with the bottom in U-shaped groove, supports for two and presses the internal face conflict in arch and U-shaped groove, replaces traditional single contact point by three contact point to improve connector ground connection stability, and three contact point constitutes triangle-shaped, can avoid receiving vibration or external force to influence, product reliability is better.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, so any modifications, equivalent replacements, improvements, etc. made to the above embodiments by the technology of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a USB connector iron-clad short circuit structure of improvement, its characterized in that, locates the outer iron-clad of gluey seat including gluing the seat and overlapping, be formed with the inserting groove between the front end of gluing the seat and the iron-clad, the rear end of gluing the seat has the extension that stretches out the iron-clad outside backward, be equipped with ground terminal in the inserting groove, ground terminal's rear end has the ground connection portion that extends backward to the extension, ground connection portion has opening U-shaped groove upwards, the iron-clad rear end has the ground connection foot of buckling downwards, the end of ground connection foot stretches into the bottom conflict in U-shaped inslot and U-shaped groove to the end left and right sides of ground connection foot all has outside convex to press the arch, two it conflicts with the left internal face and the right internal face in U-shaped groove respectively to press the arch.

2. The improved short-circuit structure of the iron shell of the USB connector as claimed in claim 1, wherein the opening of the U-shaped groove is flared.

3. The improved short-circuit structure of the iron shell of the USB connector as claimed in claim 1, wherein the included angle between the left inner wall surface and the right inner wall surface is 10-60 °.

4. The improved short-circuit structure of the iron shell of the USB connector as claimed in claim 1, wherein the included angle between the left inner wall surface and the right inner wall surface is 20-40 °.

5. The improved USB connector iron case short-circuit structure as claimed in claim 1, wherein a plurality of conductive terminals are disposed in the insertion slot, the rear end of each conductive terminal has a conductive portion extending backward to above the protruding portion, and the grounding portion is disposed side by side with the conductive portion.

6. The improved shorting structure of the iron case of the USB connector as recited in claim 5, wherein the top surface of the protruding portion has receiving slots corresponding to the grounding portion and the conducting portion, and the grounding portion and the conducting portion are disposed in the receiving slots.

7. The improved USB connector shell shorting structure according to claim 1, wherein the grounding pin extends downward in an inclined manner.

8. The improved short-circuit structure of the iron shell of the USB connector as claimed in claim 1, wherein a neck is formed on a side of the pressing protrusion away from the end of the grounding pin, and the width of the neck decreases gradually from top to bottom.