CN211858982U

CN211858982U - Anti-drop USB socket

Info

Publication number: CN211858982U
Application number: CN202020539857.1U
Authority: CN
Inventors: 张方晓; 曾流华; 张阜龙
Original assignee: Zhejiang Leci Electronics Co ltd
Current assignee: Leci Electronics Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-11-03
Anticipated expiration: 2030-04-13

Abstract

The utility model relates to the technical field of sockets, and aims to provide an anti-drop USB socket, which comprises a shell with an opening, a PCB board and a sealing cover for sealing the opening of the shell, wherein pins are arranged on the sealing cover, and a connecting piece which is spliced and matched with the pins is arranged on the PCB board; fixing devices are arranged on two sides of the PCB and comprise clamping blocks, and clamping holes matched with the clamping blocks in a clamping mode are formed in the side wall of the sealing cover; the utility model discloses can improve the fastness that pin and PCB board are connected.

Description

Anti-drop USB socket

Technical Field

The utility model relates to a socket technical field, in particular to anticreep USB socket.

Background

In the field of communications, USB has been a popular way in the industry as a communication interface for electronic information products.

An existing USB socket is shown in figures 1 and 2 and comprises a shell, a PCB and a sealing cover, wherein pins are detachably connected to the sealing cover, a connecting piece is arranged on the PCB, and one end of each pin is connected with the connecting piece in a plugging fit mode.

The pins and the connectors in the USB socket adopt a connection mode of inserting and matching for facilitating installation, the pins are only connected with the PCB through the connectors, and the pins and the PCB are very easy to separate after the USB socket is impacted by severe external force, so that the USB socket fails.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide an anticreep USB socket can improve the fastness that pin and PCB board are connected.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an anti-drop USB socket comprises a shell with an opening, a PCB and a sealing cover for sealing the opening of the shell, wherein pins are arranged on the sealing cover, and a connecting piece which is in plug-in fit with the pins is arranged on the PCB; the PCB board both sides all are provided with fixing device, fixing device includes the fixture block, set up on the closing cap lateral wall with fixture block joint complex card hole.

Through adopting above-mentioned technical scheme, the card cooperation through fixture block and card hole makes PCB board and the stability reinforcing after the pin is connected, prevents that the PCB board from taking off from the pin pine.

The utility model discloses further set up to: holding tanks have been seted up to PCB board both sides, be provided with the extrusion spring that both ends are connected with fixture block and PCB board respectively in the holding tank.

Through adopting above-mentioned technical scheme, realize the fixture block through extrusion spring and reset, prevent simultaneously that the fixture block from breaking away from the card hole.

The utility model discloses further set up to: the PCB is provided with the base plate at the holding tank bottom, extrusion spring and base plate fixed connection.

Through adopting above-mentioned technical scheme, for extrusion spring provides the mounted position, improve extrusion spring's stability.

The utility model discloses further set up to: one end of the substrate protrudes out of the bottom of the PCB and extends to the bottom of the inner wall of the sealing cover.

Through adopting above-mentioned technical scheme, electrical components is installed to PCB board bottom, and base plate and closing cap inner wall bottom butt make PCB board and closing cap inner wall bottom reserve the space that holds components and parts, prevent simultaneously that the PCB board from taking place the displacement and leading to components and parts and closing cap inner wall bottom contact.

The utility model discloses further set up to: the fixture block is provided with a chamfer angle relative to one end positioned in the accommodating groove, and the chamfer angle can be abutted against the side wall of the sealing cover.

By adopting the technical scheme, the clamping blocks can be conveniently clamped into the clamping holes.

The utility model discloses further set up to: one end of the fixture block is located in the accommodating groove, and sliding grooves in sliding fit with the side walls of the adjacent accommodating grooves are formed in the two sides of the fixture block.

Through adopting above-mentioned technical scheme, stability when improving the fixture block and removing.

The utility model discloses further set up to: the two inner side walls of the shell are provided with an upper guide strip and a lower guide strip which extend towards the opening, a guide groove is formed between the upper guide strip and the lower guide strip, and two sides of the PCB are respectively in sliding fit with the adjacent guide grooves.

Through adopting above-mentioned technical scheme, let inside the stable accurate entering casing of PCB board.

The utility model discloses further set up to: the distance from the upper guide strip to the opening of the shell is smaller than the distance from the lower guide strip to the opening of the shell.

Through adopting above-mentioned technical scheme, be convenient for the PCB board get into in the guide slot.

To sum up, the beneficial effects of the utility model are that:

1. the clamping cooperation of the clamping block and the clamping hole enhances the stability of the PCB after the PCB is connected with the pins, and prevents the PCB from loosening from the pins;

2. electrical components are installed at the bottom of the PCB, the base plate is abutted against the bottom of the inner wall of the seal cover, so that a space for accommodating components is reserved between the PCB and the bottom of the inner wall of the seal cover, and the PCB is prevented from being displaced to cause the components to be contacted with the bottom of the inner wall of the seal cover.

Drawings

Fig. 1 is an exploded schematic view of the present invention;

fig. 2 is a schematic structural view of a fixing device in a PCB of the present invention;

fig. 3 is an enlarged schematic view at a in fig. 2.

Reference numerals: 1. a housing; 11. buckling holes; 12. an upper conducting bar; 13. a lower conducting bar; 131. a guide groove; 2. a PCB board; 21. a connecting member; 22. accommodating grooves; 3. sealing the cover; 31. a pin; 32. buckling blocks; 33. a clamping hole; 41. a clamping block; 411. chamfering; 412. a chute; 42. a compression spring; 43. a substrate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses an anti-drop USB socket, as shown in fig. 1 and 2, which includes a housing 1 with an opening, a PCB 2, and a cover 3 for closing the opening of the housing 1, wherein the cover 3 is detachably connected with a pin 31, and the PCB 2 is fixedly connected with a connector 21 which is in plug-in fit with the pin 31; the sealing cover 3 is connected with the PCB 2 through the insertion fit of the connecting piece 21 and the pin 31, the buckling block 32 is integrally formed on the outer wall of the sealing cover 3, the buckling hole 11 is formed in the shell 1, the sealing cover 3 is inserted along the opening direction of the shell 1, the PCB 2 enters the shell 1, and meanwhile, the buckling block 32 is in clamping fit with the corresponding buckling hole 11, so that the sealing cover 3 is fixed with the shell 1.

As shown in fig. 1 and 3, fixing devices are disposed on both sides of the PCB 2, and each fixing device includes a latch 41. A clamping hole 33 matched with the clamping block 41 in a clamping way is formed in the side wall of the sealing cover 3; accommodating grooves 22 are formed in two sides of the PCB 2, extrusion springs 42 with two ends respectively connected with the fixture blocks 41 and the PCB 2 are fixedly connected in the accommodating grooves 22, and after the PCB 2, the seal cover 3 and the shell 1 are connected, the fixture blocks 41 enter the fixture holes 33 under the elastic force of the extrusion springs 42 to be in inserted fit with the fixture holes 33, so that a locking effect is achieved; after the latch 41 enters the latch hole 33, one end of the latch 41 passes through the latch hole 33 and is located outside the side wall of the cover 3. The fixture block 41 has a chamfer 411 corresponding to one end of the accommodating groove 22, and the chamfer 411 can abut against the sidewall of the cover 3, so that the fixture block 41 can enter the fixture hole 33 conveniently.

As shown in fig. 1 and 3, the PCB 2 is fixedly connected to a base plate 43 providing a mounting position for the pressing spring 42 at the bottom of the receiving groove 22, and the pressing spring 42 is fixedly connected to the base plate 43; one end of the substrate 43 protrudes out of the bottom of the PCB 2 and extends to the bottom of the inner wall of the cover 3, so as to prevent the components at the bottom of the PCB 2 from being pressed. One end of the latch 41 is located in the receiving groove 22, and the sliding grooves 412 slidably engaged with the side walls of the adjacent receiving groove 22 are formed on both sides of the latch 41, and the latch 41 is partially located in the receiving groove 22 in the initial state, so as to improve the stability of the latch 41 in the sliding process.

As shown in fig. 1 and 3, an upper conducting bar 12 and a lower conducting bar 13 extending towards the opening direction are integrally formed on two inner side walls of the housing 1, a guide groove 131 is formed between the upper conducting bar 12 and the lower conducting bar 13, and two sides of the PCB 2 are respectively in sliding fit with the adjacent guide grooves 131; the distance from the upper guide bar 12 to the opening of the shell 1 is less than the distance from the lower guide bar 13 to the opening of the shell 1, so that the PCB 2 can conveniently enter the guide groove 131.

The specific operation flow of this embodiment is as follows:

the sealing cover 3 is connected with the PCB 2 through the insertion fit of the connecting piece 21 and the pins 31, meanwhile, the fixture block 41 enters the sealing cover 3 under the action of the extrusion spring 42, and the fixture block 41 enters the fixture hole 33 after corresponding to the fixture hole 33; then the cover 3 is inserted along the opening direction of the housing 1, so that the two sides of the PCB 2 enter the corresponding guide slots 131 in the housing 1, and finally the fastening block 32 is matched with the fastening hole 11, so that the cover 3 is fixed with the housing 1.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An anti-drop USB socket comprises a shell (1) with an opening, a PCB (printed circuit board) board (2) and a sealing cover (3) used for sealing the opening of the shell (1), wherein pins (31) are arranged on the sealing cover (3), and a connecting piece (21) in plug-in fit with the pins (31) is arranged on the PCB board (2); the method is characterized in that: both sides of the PCB (2) are provided with fixing devices, each fixing device comprises a clamping block (41), and clamping holes (33) matched with the clamping blocks (41) in a clamping mode are formed in the side wall of the sealing cover (3).

2. The anti-separation USB socket according to claim 1, wherein: holding tank (22) have been seted up to PCB board (2) both sides, be provided with extrusion spring (42) that both ends are connected with fixture block (41) and PCB board (2) respectively in holding tank (22).

3. The anti-separation USB socket according to claim 2, wherein: PCB board (2) are provided with base plate (43) in holding tank (22) tank bottom, extrusion spring (42) and base plate (43) fixed connection.

4. The anti-separation USB socket according to claim 3, wherein: one end of the substrate (43) protrudes out of the bottom of the PCB (2) and extends to the bottom of the inner wall of the sealing cover (3).

5. The anti-separation USB socket according to claim 2, wherein: the fixture block (41) is provided with a chamfer (411) relative to one end positioned in the accommodating groove (22), and the chamfer (411) can be abutted against the side wall of the sealing cover (3).

6. The anti-separation USB socket according to claim 2, wherein: one end of the fixture block (41) is located in the accommodating groove (22), and sliding grooves (412) in sliding fit with the side walls of the adjacent accommodating grooves (22) are formed in the two sides of the fixture block (41).

7. The anti-separation USB socket according to claim 1, wherein: two inside walls of casing (1) all are provided with towards the opening and set up upper conducting strip (12), conducting strip (13) down that the direction extends, be formed with guide slot (131) between upper conducting strip (12) and conducting strip (13) down, PCB board (2) both sides respectively with adjacent guide slot (131) sliding fit.

8. The anti-separation USB socket according to claim 7, wherein: the distance from the upper guide strip (12) to the opening of the shell (1) is smaller than the distance from the lower guide strip (13) to the opening of the shell (1).