CN215451829U

CN215451829U - Prevent short circuit USB interface structure

Info

Publication number: CN215451829U
Application number: CN202121623139.3U
Authority: CN
Inventors: 冯德生; 冯德权; 黄长兴
Original assignee: Shenzhen New Aoerkang Technology Co ltd
Current assignee: Shenzhen New Aoerkang Technology Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-01-07
Anticipated expiration: 2031-07-16

Abstract

The utility model relates to a short-circuit prevention USB interface structure, which solves the problem that the terminal of the existing USB interface is easy to expose from the fabrication hole of a plastic shell to cause short circuit. Including the USB box hat, locate the plastic casing in the USB box hat, and be fixed in binding post on the plastic casing, binding post is including grafting end and installation end, the plastic casing including be used for binding post location with binding post integrated into one piece's first gluey shell, and be used for gluing the second of the sealed and first gluey shell secondary integrated into one piece with the process hole of moulding plastics on the first gluey shell and glue the shell, binding post's middle part is located first gluey inside the shell, the both ends side of first gluey shell is equipped with grafting recess and the wiring recess that is used for grafting end and installation end to expose the installation location respectively, grafting end and installation end are located grafting recess bottom and wiring recess bottom respectively. Thereby first gluey shell and second are glued the shell and are wrapped the position that removes grafting end and installation end of binding post, prevent that binding post from taking place the short circuit because of humid environment or other misoperation.

Description

Prevent short circuit USB interface structure

Technical Field

The utility model relates to a short-circuit prevention USB interface structure.

Background

The plastic shell in the existing USB interface is usually formed by one-time injection molding, so that a mold fabrication hole cannot be avoided on the plastic shell, and the terminal is easily exposed from the fabrication hole and is easily short-circuited with a metal shell in a humid environment or other misoperation; in addition, the existing USB interface wire is poor in clamping firmness and easy to damage the wire, and generally comprises a USB steel shell, a plastic shell arranged in the USB steel shell and a connecting terminal fixed on the plastic shell. In addition, with the rise of rapid charging of the mobile phone, the current of the electronic circulation of the prior USB power supply is small, and the power-on requirement of large current cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the terminal of the existing USB interface is easily exposed out of a process hole of a plastic shell to cause short circuit.

The technical scheme adopted for solving the technical problems provided by the utility model is as follows: the utility model discloses a short circuit prevention USB interface structure, which comprises a USB steel shell, a plastic shell arranged in the USB steel shell and a wiring terminal fixed on the plastic shell, wherein the wiring terminal comprises an inserting end and a mounting end, the plastic shell comprises a first plastic shell which is used for positioning the wiring terminal and integrally formed with the wiring terminal, and a second plastic shell which is used for sealing an injection molding process hole on the first plastic shell and integrally formed with the first plastic shell for the second time, the middle part of the wiring terminal is positioned in the first plastic shell, the side surfaces of two ends of the first plastic shell are respectively provided with an inserting groove and a wiring groove which are used for exposing the inserting end and the mounting end and used for mounting and positioning, and the inserting end and the mounting end are respectively positioned at the bottom of the inserting groove and at the bottom of the wiring groove.

The technical scheme for further limiting the utility model comprises the following steps:

the steel shell in be equipped with the barb that prevents that the plastic shell from deviating from, be equipped with on the rubber shell with barb complex barb draw-in groove.

With steel casing integrated into one piece have the bottom plate and with the removable cover that the bottom plate lid closed, removable cover's both ends be equipped with the location stabilizer blade, the bottom plate on be equipped with the stabilizer blade locating hole that is used for stabilizer blade grafting location, the location stabilizer blade is fixed with the grafting of stabilizer blade locating hole after bending, removable cover's one end be equipped with the fastener that is used for the double-layered line, the bottom plate on be equipped with the fastener locating plate that prevents the fastener and buckle that the cooperation fastener presss from both sides the line, the fastener is on the fastener locating plate to the fastener during centre gripping.

The junction of removable cover and box hat be equipped with the stopping groove that prevents to glue the shell and remove to the USB socket direction, the shell of gluing on be equipped with stopping groove complex stopping piece.

One end of the wire clamp is provided with a wire clamp positioning groove, and the other end of the wire clamp is provided with a wire clamp positioning bulge which is matched with the wire clamp positioning groove for positioning when the wire clamp is bent for clamping.

The inside centre gripping position of fastener be equipped with the anti-skidding line that prevents the line pine and take off.

Through the technical scheme, the utility model has the beneficial effects that: the plastic shell of the anti-short circuit USB interface structure comprises a first rubber shell which is used for positioning a wiring terminal and integrally formed with the wiring terminal, and a second rubber shell which is used for sealing an injection molding process hole on the first rubber shell and integrally formed with the first rubber shell for the second time, wherein the middle part of the wiring terminal is positioned in the first rubber shell, the side surfaces of two ends of the first rubber shell are respectively provided with an inserting groove and a wiring groove which are used for exposing an inserting end and a mounting end and used for mounting and positioning, and the inserting end and the mounting end are respectively positioned at the bottom of the inserting groove and the bottom of the wiring groove, so that the first rubber shell and the second rubber shell wrap the parts of the wiring terminal except the inserting end and the mounting end, and the short circuit of the wiring terminal due to a humid environment or other improper operations is prevented.

Drawings

Fig. 1 is an assembly structure diagram of a short-circuit prevention USB interface structure according to the present invention.

Fig. 2 is an explosion structure diagram of a short-circuit prevention USB interface structure according to the present invention.

Fig. 3 is a sectional structure diagram of the short-circuit prevention USB interface structure of the present invention.

Detailed Description

The structure of the present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1 to 3, an anti-short-circuit USB interface structure includes a USB steel shell 1, a plastic shell 2 disposed in the USB steel shell, a plastic shell disposed in the USB steel shell, and a connection terminal 3 fixed on the plastic shell, where the connection terminal includes an insertion end 31 and a mounting end 32, the plastic shell 2 includes a first plastic shell 21 integrally formed with the connection terminal for positioning the connection terminal, and a second plastic shell 22 secondarily integrally formed with the first plastic shell for sealing an injection molding process hole 211 on the first plastic shell, the middle of the connection terminal is located inside the first plastic shell, two end sides of the first plastic shell 21 are respectively provided with an insertion groove 212 and a connection groove 213 for mounting and positioning the insertion end and the mounting end exposed, and the insertion end and the mounting end are respectively located at the bottom of the insertion groove and at the bottom of the connection groove. Thereby first gluey shell and second are glued the shell and are wrapped the position that removes grafting end and installation end of binding post, prevent that binding post from taking place the short circuit because of humid environment or other misoperation.

In this embodiment, be equipped with barb 4 that prevents that the plastic casing from deviating from in the steel casing 1, be equipped with on the rubber casing 2 with barb complex barb draw-in groove 23. When the rubber shell is installed, the barb is clamped into the barb clamping groove, so that the rubber shell is prevented from being separated from the steel shell.

The steel shell is integrally formed with a bottom plate 5 and a movable cover plate 6 which is covered with the bottom plate, positioning support legs 61 are arranged at two ends of the movable cover plate, support leg positioning holes 51 used for supporting leg inserting positioning are formed in the bottom plate, the positioning support legs are inserted and fixed with the support leg positioning holes after being bent, a wire clamp 62 used for clamping wires is arranged at one end of the movable cover plate 6, a wire clamp positioning plate 52 which is matched with the wire clamp to clamp the wires and prevents the wire clamp from being bent is arranged on the bottom plate 5, and the wire clamp clamps are arranged on the wire clamp positioning plate during clamping. In this embodiment, removable cover passes through two connection pieces and box hat swing joint. The movable cover plate can move up and down, and when the positioning support legs are inserted into the support leg positioning holes, the movable cover plate is fixedly connected with the bottom plate in an inserting mode. The fastener is the arc structure, and the fastener is cliied the line and is connected with fastener locating plate fixed connection, makes removable cover and bottom plate fixed firm, can prevent the fastener damage wire rod of buckling in the fastener to the firm clamp of wire rod simultaneously. In this embodiment, one end of the wire clamp 62 is provided with a wire clamp positioning groove 621, and the other end of the wire clamp is provided with a wire clamp positioning protrusion 622 which is matched with the wire clamp positioning groove for positioning when the wire clamp is bent for clamping. When the wire clamp is clamped, the wire clamp positioning protrusions are inserted into the wire clamp positioning grooves, so that the wire clamp can be clamped smoothly during clamping, and the wire clamp is good in consistency. In this embodiment, the inside clamping position of the wire clamp 62 is provided with anti-slip lines 623 that prevent the wire from loosening. The anti-skid lines prevent the wire from being pulled, loosened and broken. In this embodiment, the joint of removable cover and steel casing is equipped with the stopping groove 7 that prevents to glue the shell and remove to the USB socket direction, is equipped with on the gluey shell 2 with stopping groove complex stopping piece 24. When the rubber shell is installed, the stopping block is clamped into the stopping groove, so that the rubber shell is prevented from moving towards the USB socket when the USB interface is pulled out. The fixing of location stabilizer blade and stabilizer blade locating hole, the fastener makes removable cover and bottom plate fixed firm with the fixed of fastener fixed plate, firmly blocks the stopping piece simultaneously to the stopping inslot.

While the present invention has been described in detail and with reference to the accompanying drawings, it is not to be construed as limiting the scope of the utility model. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the present invention as described in the appended claims.

Claims

1. The utility model provides a prevent short circuit USB interface structure, including the USB steel casing, locate the plastic casing in the USB steel casing to and be fixed in the binding post on the plastic casing, binding post is including grafting end and installation end, its characterized in that: the plastic shell comprises a first rubber shell for positioning the wiring terminal and integrally formed with the wiring terminal, and a second rubber shell for sealing an injection molding process hole on the first rubber shell and integrally formed with the first rubber shell, wherein the middle part of the wiring terminal is positioned inside the first rubber shell, the side surfaces of the two ends of the first rubber shell are respectively provided with an insertion groove and a wiring groove for exposing the insertion end and the mounting end for mounting and positioning, and the insertion end and the mounting end are respectively positioned at the bottom of the insertion groove and the bottom of the wiring groove.

2. The anti-short-circuit USB interface structure of claim 1, wherein: the steel shell in be equipped with the barb that prevents that the plastic shell from deviating from, be equipped with on the rubber shell with barb complex barb draw-in groove.

3. The anti-short-circuit USB interface structure of claim 1, wherein: with steel casing integrated into one piece have the bottom plate and with the removable cover that the bottom plate lid closed, removable cover's both ends be equipped with the location stabilizer blade, the bottom plate on be equipped with the stabilizer blade locating hole that is used for stabilizer blade grafting location, the location stabilizer blade is fixed with the grafting of stabilizer blade locating hole after bending, removable cover's one end be equipped with the fastener that is used for the double-layered line, the bottom plate on be equipped with the fastener locating plate that prevents the fastener and buckle that the cooperation fastener presss from both sides the line, the fastener is on the fastener locating plate to the fastener during centre gripping.

4. The anti-short-circuit USB interface structure of claim 3, wherein: the junction of removable cover and box hat be equipped with the stopping groove that prevents to glue the shell and remove to the USB socket direction, the shell of gluing on be equipped with stopping groove complex stopping piece.

5. The anti-short-circuit USB interface structure of claim 3, wherein: one end of the wire clamp is provided with a wire clamp positioning groove, and the other end of the wire clamp is provided with a wire clamp positioning bulge which is matched with the wire clamp positioning groove for positioning when the wire clamp is bent for clamping.

6. The anti-short-circuit USB interface structure of claim 3, wherein: the inside centre gripping position of fastener be equipped with the anti-skidding line that prevents the line pine and take off.