CN216085490U

CN216085490U - Dustproof USB connector

Info

Publication number: CN216085490U
Application number: CN202122766458.6U
Authority: CN
Inventors: 丁爱湘
Original assignee: Dongguan Hope Electronic Co ltd
Current assignee: Dongguan Hope Electronic Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-03-18
Anticipated expiration: 2031-11-11

Abstract

The application discloses dustproof USB connector relates to data transmission connector field, including insulating casing, one side fixed mounting of insulating casing has metal casing, insulating casing's opposite side fixedly connected with wire, one side of metal casing is provided with the jack, the interior diapire fixed mounting of jack has the PCB board, the top of PCB board is provided with the transmission terminal, the interior roof fixed mounting that the bead was kept away from to the jack has the piece of holding, the piece of holding is provided with the bar groove near one side of jack bead, the inner wall fixedly connected with spring of bead is kept away from in the bar groove. The utility model provides a keep off dirt board can cover the transmission terminal at PCB board top, hinders the dust gathering on the surface of transmission terminal, and the encapsulation board can seal the jack, hinders the dust and gets into the jack, has further improved the dustproof effect of this USB connector, and the jack of having solved USB connector casing generally exposes outside, accumulates the dust easily on the inside PCB board of long-time back, influences transmission terminal signal transmission's problem.

Description

Dustproof USB connector

Technical Field

The application relates to the field of data transmission connectors, in particular to a dustproof USB connector.

Background

The USB connector has become a standard configuration of a mobile phone, and includes a housing, a PCB disposed in the housing, and a terminal disposed on the PCB for signal transmission, which has many advantages of small size and convenient connection.

The jack of the USB connector housing is generally exposed outside, and dust is easily accumulated on the PCB inside the USB connector housing after a long time, which affects signal transmission of the transmission terminal.

SUMMERY OF THE UTILITY MODEL

In order to solve the jack of USB connector casing and generally expose outside, accumulate the dust easily on the inside PCB board of long-time back, influence transmission terminal signal transmission's problem, this application provides a dustproof USB connector.

The application provides a dustproof USB connector adopts following technical scheme:

the utility model provides a dustproof USB connector, includes insulating casing, one side fixed mounting of insulating casing has metal casing, insulating casing's opposite side fixedly connected with wire, one side of metal casing is provided with the jack, the interior diapire fixed mounting of jack has the PCB board, the top of PCB board is provided with the transmission terminal, the interior roof fixed mounting that the bead was kept away from to the jack has the piece of holding, the piece of holding is close to one side of jack bead and is provided with the bar groove, the inner wall fixedly connected with spring of bead is kept away from in the bar groove, the one end fixedly connected with dust board of spring, the one end of dust board stretches out the bar groove and extends to the bead department of jack, just the dust board upper surface pastes with the transmission terminal mutually.

Optionally, a packaging plate is fixedly mounted at one end of the dust blocking plate close to the edge of the jack.

Optionally, a second sliding groove is formed in the inner top wall of the insertion hole, a second sliding block is fixedly mounted at the top of the packaging plate, and the second sliding block is slidably connected in the second sliding groove.

Optionally, the distance from the package board to the edge of the jack is smaller than the distance from the PCB board to the edge of the jack.

Optionally, the upper surface of the PCB near one end of the edge of the insertion hole is gradually inclined downwards from outside to inside.

Optionally, the spring is in a compressed state, and the second sliding block abuts against an inner wall of the second sliding groove close to the edge of the insertion hole.

Optionally, the interior roof and the interior diapire in bar groove all are provided with first spout, the equal fixed mounting in top and the bottom of dust board has first slider, first slider sliding connection is in first spout.

Optionally, a grinding metal plate is fixedly mounted on the bottom surface of the dust guard plate.

To sum up, the present application includes the following beneficial effects:

this application has adopted and has held the piece, the bar groove, a spring, mutually support between fender dirt board and the encapsulation board, the fender dirt board can cover the transmission terminal at PCB board top, hinder the dust gathering on the surface of transmission terminal, the encapsulation board can seal the jack, it gets into the jack to hinder the dust, the dustproof effect of this USB connector has further been improved, make insert metal casing in waiting to connect electrical components's USB slot, the PCB circuit board of waiting to connect electrical components inserts the jack and can promote the fender dirt board and slide and make the fender dirt board shrink to the bar inslot, and make the transmission terminal expose, make this USB connector can carry out signal transmission with waiting to connect electrical components, the jack of having solved USB connector casing generally exposes outside, accumulate the dust on the inside PCB board after long-time easily, influence transmission terminal signal transmission's problem.

Drawings

FIG. 1 is an external schematic view of the overall structure of the present application;

FIG. 2 is a schematic view of the internal structure of the metal housing of the present application;

FIG. 3 is an enlarged view at A of FIG. 2 of the present application;

fig. 4 is an enlarged view at B in fig. 2 of the present application.

Description of reference numerals: 1. an insulating housing; 2. a metal housing; 21. a jack; 22. a second chute; 3. a wire; 4. a PCB board; 41. a transmission terminal; 5. accommodating the block; 51. a strip-shaped groove; 511. a first chute; 52. a spring; 53. a dust guard; 531. a first slider; 54. a package board; 541. and a second slider.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Referring to fig. 1-2, the present application discloses a dustproof USB connector, which includes an insulating housing 1 for holding, a metal shell 2 for signal connection is fixedly installed on one side of the insulating housing 1, a wire 3 is fixedly connected to the other side of the insulating housing 1, a jack 21 is arranged on one side of the metal shell 2, when in use, the metal shell 2 needs to be inserted into a USB slot of an electrical component to be connected, so that a PCB circuit board of the electrical component to be connected is inserted into the jack 21, a PCB board 4 is fixedly installed on an inner bottom wall of the jack 21, and a transmission terminal 41 for signal transmission is arranged on the top of the PCB circuit board of the electrical component to be connected, so that the terminal on the PCB circuit board of the electrical component to be connected can perform signal transmission with the transmission terminal 41 of the USB connector.

Referring to fig. 2, a horizontally disposed accommodating block 5 is fixedly installed on the inner top wall of the socket 21 far from the bead, a horizontally disposed strip-shaped groove 51 is disposed on one side of the accommodating block 5 near the bead of the socket 21, a spring 52 is fixedly connected to the inner wall of the strip-shaped groove 51 far from the bead, the spring 52 is horizontally disposed and can extend and retract in the strip-shaped groove 51, a dust guard plate 53 is fixedly connected to one end of the spring 52, one end of the dust guard plate 53 extends out of the strip-shaped groove 51 and extends to the bead of the socket 21, and the upper surface of the dust guard plate 53 is attached to the transmission terminal 41, so that the dust guard plate 53 can cover the transmission terminal 41 on the top of the PCB 4, preventing dust from accumulating on the surface of the transmission terminal 41, the PCB to be connected to the electrical component is inserted into the insertion hole 21 to push the dust guard plate 53 to slide and make the dust guard plate 53 shrink into the strip-shaped groove 51, and the transmission terminal 41 is exposed, so as not to obstruct the signal transmission between the USB connector and the electrical component to be connected.

Referring to fig. 2-3, a sealing plate 54 is fixedly mounted at one end of the dust-blocking plate 53 close to the edge of the insertion hole 21, the top of the sealing plate 54 is close to the inner top wall of the insertion hole 21, the two sides of the sealing plate are close to the two inner side walls of the insertion hole 21, and the bottom of the sealing plate 54 is close to the transmission terminal 41, so that the sealing plate 54 can seal the insertion hole 21 to prevent dust from entering the insertion hole 21, and the dust-proof effect of the USB connector is further improved. The second spout 22 that the level set up is seted up to the interior roof of jack 21, and the top fixed mounting of packaging plate 54 has the second slider 541 with second spout 22 looks adaptation, and second slider 541 sliding connection is in second spout 22, and the cooperation of second slider 541 and second spout 22 can be kept away from the one end of holding piece 5 to dust board 53 and support spacingly, makes dust board 53 more stable when sliding.

Referring to fig. 2 and 4, the inner top wall and the inner bottom wall of the strip-shaped groove 51 are both provided with a first sliding groove 511, the top and the bottom of the dust guard plate 53 are both fixedly provided with a first sliding block 531 matched with the first sliding groove 511, and the first sliding block 531 is slidably connected in the first sliding groove 511, so that the strip-shaped groove 51 is more stable during sliding and is not easy to collide with parts in the metal shell 2. The bottom surface of the dust guard plate 53 is fixedly provided with a grinding metal plate, the grinding metal plate is made of grinded iron, copper and the like, the surface is smooth, the abrasion to the PCB 4 is extremely small, and the service life of the PCB 4 is hardly influenced.

Referring to fig. 2-3, to ensure the dustproof effect, the spring 52 is in a compressed state, the second sliding block 541 abuts against the inner wall of the second sliding groove 22 near the edge of the insertion hole 21, and the spring 52 can push the dust-blocking plate 53 to reset after the USB connector is pulled out from the USB slot of the electrical component to be connected. The upper surface that PCB board 4 is close to jack 21 bead one end is from outer to interior downward sloping gradually, and the distance that encapsulation board 54 is apart from jack 21 bead is less than PCB board 4 apart from the distance of jack 21 bead, and the PCB circuit board of treating to connect electrical components inserts jack 21, and PCB board 4 can be treated the PCB circuit board of treating to connect electrical components and lead, makes the PCB circuit board of treating to connect electrical components can slide to the inner chamber top of jack 21, and is more convenient when using.

The application of a dustproof USB connector's the implementation principle does: dust board 53 can cover the transmission terminal 41 at PCB board 4 top, hinder the dust gathering on the surface of transmission terminal 41, packaging plate 54 can seal jack 21, hinder the dust and get into jack 21, this USB connector's dustproof effect has further been improved, insert metal casing 2 in waiting to connect electrical components's the USB slot, PCB board 4 can be treated and connect electrical components's PCB circuit board and lead, make the PCB circuit board of waiting to connect electrical components can slide to jack 21's inner chamber top, promote dust board 53 and make dust board 53 shrink to bar groove 51 in, transmission terminal 41 exposes, make this USB connector can carry out signal transmission with waiting to connect electrical components.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A dust-proof USB connector, comprising an insulating casing (1), a metal casing (2) is fixedly mounted on one side of the insulating casing (1), and a metal casing (2) is fixedly connected to the other side of the insulating casing (1); The wire (3) is characterized in that a socket (21) is provided on one side of the metal casing (2), and a PCB board (4) is fixedly mounted on the inner bottom wall of the socket (21). The top of the board (4) is provided with a transmission terminal (41), and a receiving block (5) is fixedly installed on the inner top wall of the socket (21) away from the lip, and the receiving block (5) is close to the socket (21) One side of the bezel is provided with a strip groove (51), a spring (52) is fixedly connected to the strip groove (51) away from the inner wall of the bezel, and one end of the spring (52) is fixedly connected to a dust baffle ( 53), one end of the dust baffle (53) protrudes from the strip groove (51) and extends to the edge of the socket (21), and the upper surface of the dust baffle (53) is connected to the transmission terminal (41). ) are attached.

2 . The dust-proof USB connector according to claim 1 , wherein an encapsulation plate ( 54 ) is fixedly installed at one end of the dust blocking plate ( 53 ) close to the edge of the jack ( 21 ). 3 .

3. A dust-proof USB connector according to claim 2, characterized in that: a second chute (22) is opened on the inner top wall of the socket (21), and a A second sliding block (541) is fixedly installed on the top, and the second sliding block (541) is slidably connected in the second sliding groove (22).

4. A dust-proof USB connector according to claim 2, characterized in that: the distance between the packaging board (54) and the edge of the jack (21) is smaller than the distance between the PCB board (4) and the jack (21) distance along the mouth.

5 . The dust-proof USB connector according to claim 2 , wherein the upper surface of the PCB board ( 4 ) near the mouth of the jack ( 21 ) gradually slopes downward from the outside to the inside. 6 .

6 . The dust-proof USB connector according to claim 3 , wherein the spring ( 52 ) is in a compressed state, and the second slider ( 541 ) and the second chute ( 22 ) are inserted close to the plug. 7 . The hole (21) abuts against the inner wall of the mouth.

7 . The dust-proof USB connector according to claim 1 , wherein the inner top wall and the inner bottom wall of the strip groove ( 51 ) are provided with a first chute ( 511 ), and the A first sliding block (531) is fixedly installed on the top and bottom of the dust baffle (53), and the first sliding block (531) is slidably connected in the first sliding groove (511).

8 . The dust-proof USB connector according to claim 1 , wherein a ground metal plate is fixedly installed on the bottom surface of the dust-blocking plate ( 53 ). 9 .