CN107394527B

CN107394527B - USB socket and mobile terminal

Info

Publication number: CN107394527B
Application number: CN201710616735.0A
Authority: CN
Inventors: 朱中武; 宾涛; 吉圣平
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2017-07-26
Filing date: 2017-07-26
Publication date: 2020-02-11
Anticipated expiration: 2037-07-26
Also published as: CN107394527A

Abstract

The invention provides a USB socket and a mobile terminal, wherein the USB socket comprises a socket body, a metal terminal arranged in the socket body and a metal shell arranged outside the socket body, the metal terminal comprises a metal terminal body and a pin formed by extending from the metal terminal body, the metal terminal body is arranged in the socket body, the USB socket also comprises a circuit board and a plastic shell arranged outside the metal shell, an accommodating groove is arranged on one side surface of the plastic shell, part of the circuit board is positioned in the accommodating groove and is fixedly attached to the plastic shell in the accommodating groove, the accommodating groove and the pin are positioned on the same side of the USB socket, and the pin is electrically connected with the circuit board. Therefore, the accommodating groove for accommodating the circuit board is formed in the plastic shell, so that the thickness of the plastic shell and the circuit board after being overlapped is reduced, and the overall thickness of the USB socket is reduced.

Description

USB socket and mobile terminal

Technical Field

The invention relates to the technical field of communication, in particular to a USB socket and a mobile terminal.

Background

With the increasing popularization of mobile terminal applications, the application occasions of the mobile terminal are becoming more and more complex, and a USB (Universal Serial Bus) socket provided on the mobile terminal needs to have a certain waterproof function as a common external interface of the mobile terminal, so that the mobile terminal can be applied to various occasions.

At present, in order to improve the waterproof function of the USB socket, a plastic shell is generally disposed outside a metal shell of the USB socket, and a layer of circuit board is further disposed outside the plastic shell, and the circuit board is used for connecting with a metal terminal of the USB socket to achieve the data transmission function of the USB socket. However, by adding a plastic shell to the USB socket, the overall thickness of the USB socket is changed to the thickness of the plastic shell plus the thickness of the circuit board, which results in the overall thickness of the USB socket becoming thicker. Therefore, the conventional USB socket has the problem of thick overall thickness.

Disclosure of Invention

The embodiment of the invention provides a USB socket and a mobile terminal, which aim to solve the problem that the conventional USB socket is thick in overall thickness.

The embodiment of the invention provides a USB socket, which comprises a socket body, a metal terminal arranged in the socket body, and a metal shell arranged outside the socket body, wherein the metal terminal comprises a metal terminal body and a pin formed by extending from the metal terminal body, the metal terminal body is arranged in the socket body, the USB socket also comprises a circuit board and a plastic shell arranged outside the metal shell, an accommodating groove is arranged on one side surface of the plastic shell, the circuit board is partially positioned in the accommodating groove and fixedly attached to the plastic shell in the accommodating groove, the accommodating groove and the pin are positioned on the same side of the USB socket, and the pin is electrically connected with the circuit board.

The embodiment of the invention also provides a mobile terminal which comprises the USB socket.

Thus, in the embodiment of the present invention, the USB socket includes a socket body, a metal terminal disposed in the socket body, and a metal shell disposed outside the socket body, where the metal terminal includes a metal terminal body and a pin extending from the metal terminal body, the metal terminal body is disposed in the socket body, the USB socket further includes a circuit board and a plastic shell disposed outside the metal shell, a receiving groove is disposed on one side of the plastic shell, the circuit board portion is located in the receiving groove and is fixed to the plastic shell in the receiving groove, the receiving groove and the pin are located on the same side of the USB socket, and the pin is electrically connected to the circuit board. Therefore, the accommodating groove for accommodating the circuit board is formed in the plastic shell, so that the thickness of the plastic shell and the circuit board after being overlapped is reduced, and the overall thickness of the USB socket is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a USB socket according to an embodiment of the present invention;

fig. 2 is a second schematic structural diagram of a USB socket according to an embodiment of the present invention;

fig. 3 is a third schematic structural diagram of a USB socket according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a socket body mounted with a metal terminal according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a metal shell provided in an embodiment of the present invention;

fig. 6 is a schematic structural view of a hook spring according to an embodiment of the present invention;

FIG. 7 is a fourth schematic structural diagram of a USB socket according to an embodiment of the present invention;

FIG. 8 is a fifth schematic structural diagram of a USB socket according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a plastic housing embedded with a bracket according to an embodiment of the present invention;

FIG. 10 is a schematic structural view of the stent of FIG. 9;

FIG. 11 is a schematic structural diagram of a USB plug according to an embodiment of the present invention;

fig. 12 is a schematic diagram of a plug-in structure of a USB plug and a USB socket according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-12, fig. 1 is a schematic structural diagram of a USB socket according to an embodiment of the present invention; fig. 2 is a second schematic structural diagram of a USB socket according to an embodiment of the present invention; fig. 3 is a third schematic structural diagram of a USB socket according to an embodiment of the present invention; fig. 4 is a schematic structural view of a socket body mounted with a metal terminal according to an embodiment of the present invention; FIG. 5 is a schematic structural diagram of a metal shell provided in an embodiment of the present invention; fig. 6 is a schematic structural view of a hook spring according to an embodiment of the present invention; FIG. 7 is a fourth schematic structural diagram of a USB socket according to an embodiment of the present invention; FIG. 8 is a fifth schematic structural diagram of a USB socket according to an embodiment of the present invention; fig. 9 is a schematic structural diagram of a plastic housing embedded with a bracket according to an embodiment of the present invention; FIG. 10 is a schematic structural view of the stent of FIG. 9; FIG. 11 is a schematic structural diagram of a USB plug according to an embodiment of the present invention; fig. 12 is a schematic diagram of a plug-in structure of a USB plug and a USB socket according to an embodiment of the present invention.

As shown in fig. 1 to 4, an embodiment of the present invention provides a USB socket 100, including a socket body 10, a metal terminal 20 disposed in the socket body 10, and a metal shell 30 disposed outside the socket body 10, where the metal terminal 20 includes a metal terminal body 21 and a pin 22 extending from the metal terminal body 21, the metal terminal body 21 is disposed in the socket body 10, the USB socket 100 further includes a circuit board 50 and a plastic shell 40 disposed outside the metal shell 30, a side surface of the plastic shell 40 is provided with a receiving slot 41, a portion of the circuit board 50 is located in the receiving slot 41, and is attached to the plastic shell 40 and fixed in the receiving slot 41, where the receiving slot 41 and the pin 22 are located on the same side of the USB socket 100, and the pin 22 is electrically connected to the circuit board 50.

In an embodiment of the invention, the socket body 10 includes a base 11 and a tongue plate 12 extending from one side of the base 11, and the metal terminal 20 includes a metal terminal body 21 and a pin 22, wherein the metal terminal body 21 is disposed in the socket body 10, and the pin 22 extends from one end of the metal terminal body 21 away from the tongue plate 12 to form an extension portion. The metal shell 30 is disposed outside the socket body 10, and a plastic housing 40 is further disposed outside the metal shell 30, the plastic housing 40 can play a role of waterproof and insulation, wherein a receiving groove 41 for mounting and fixing a circuit board 50 is disposed on one side of the plastic housing 40, wherein a portion of the circuit board 50 is disposed in the receiving groove 41, the receiving groove 41 and the pins 22 are disposed on the same side of the USB socket, and the pins 22 are electrically connected to pin contacts on the circuit board 50. Thus, in the embodiment of the present invention, the accommodating groove 41 for fixedly mounting the circuit board 50 is formed in the plastic housing 40, so that the thickness of the plastic housing 40 and the circuit board 50 after being stacked can be reduced, and the overall thickness of the USB socket can be reduced.

It should be noted that, in the embodiment of the present invention, the positioning column 411 is disposed in the accommodating slot 41, and the circuit board 50 is provided with the positioning hole 51 corresponding to the positioning column 411, so that the pin contact on the circuit board 50 can be accurately abutted to the pin 22 of the metal terminal 20, and thus, in the installation process of the circuit board 50, no additional adjustment is required to be performed on the circuit board 50, thereby effectively saving the assembly time of the USB socket and improving the production and manufacturing efficiency. Moreover, the depth of the receiving groove 41 can be higher than the thickness of the circuit board 50, so that the abrasion of the circuit board 50 in the using process can be effectively reduced, and the service life of the USB socket is prolonged. The circuit board 50 and the plastic housing 40 can be fixedly connected by gluing, so that the manufacturing processes can be effectively reduced and the manufacturing period can be shortened compared with other fixed connections such as bolt connection or riveting.

Optionally, as shown in fig. 3 to 5, the metal shell 30 includes a metal shell body 31 and a metal plate 32, the metal plate 32 is formed by extending an end surface of the metal shell body 31 outward, the end surface of the metal plate 32 is an end surface of the metal shell body 31 away from the pin 22, the socket body 10 includes a base 11 and a tongue plate 12 formed by extending outward from the base 11, wherein the metal shell body 31 is sleeved on the base 11, and the metal plate 32 is disposed opposite to the tongue plate 12.

When the USB socket 100 is applied to a mobile terminal, the mounting position of the USB socket is generally located in an antenna area of the mobile terminal, so that the metal shell 30 of the USB socket 100 may radiate the antenna of the mobile terminal, thereby affecting the signal transceiving function of the antenna; radiation disturbance can be generated to the antenna during charging, and the signal integrity of the antenna is further influenced.

In the embodiment of the present invention, by providing a metal shell 30 with a special-shaped structure, the signal influence of the metal shell 30 on the mobile terminal antenna under a large current can be effectively reduced, wherein the metal shell 30 with the special-shaped structure provided in the embodiment of the present invention includes a metal shell body 31 and a metal plate 32, the metal plate 32 is formed by extending an end surface of the metal shell body 31 outward, and the end surface where the metal plate 32 is located is an end surface of the metal shell body 31 away from the pin 22. Wherein, the metal shell body 31 is sleeved on the base 11, and the metal plate 32 is arranged opposite to the tongue plate 12.

It should be noted that, the first guiding portion 321 is disposed at one end of the metal plate 32 away from the metal shell body 31, and the USB plug can be conveniently plugged and unplugged through the arrangement of the first guiding portion 321.

Optionally, as shown in fig. 6, the USB socket 100 further includes a hook elastic sheet 60, the hook elastic sheet 60 includes a hook body 61 and fastening arms 62 disposed on two sides of the hook body 61, a fastening portion 621 is disposed at a terminal of the fastening arm 62, and the fastening portion 621 is disposed with a second guiding portion 6211.

In the embodiment of the present invention, as shown in fig. 11 and 12, the USB plug 200 includes a plug body 2010 and a plug 2020, and a groove 2021 that can be engaged with the fastening portion 6221 is provided on a sidewall of the plug 2020. Therefore, the fastening part 621 is engaged with the groove 2021 to firmly fasten the USB plug 200 to the USB socket 100 during plugging and unplugging of the USB socket 100 and the USB plug 200, thereby effectively preventing the USB plug 200 from being disconnected from the USB socket 100 due to external force during use. Moreover, the second guiding portion 6211 is disposed on the fastening portion 621, so that the plugging process between the USB plug 200 and the USB socket 100 can be smoother, and the use by the user is facilitated.

It should be noted that, in the embodiment of the present invention, the plastic block 63 is disposed at the connection position of the hook body 61 and the latch arm 62, so that the assembly gap between the hook elastic sheet 60 and the plastic housing 40 can be reduced, and the stability of the overall structure of the USB socket can be improved to a certain extent. The hook body 61 is further provided with at least one bending part 611, and the bending part 611 and the metal shell 30 can be welded and fixed by laser, so as to fix the hook elastic sheet 60 on the metal shell 30 better. Preferably, in the present embodiment, the number of the bending portions 611 is two, and the bending portions are symmetrically disposed on the hook body 61.

Optionally, as shown in fig. 7, a first sealant layer 70 is disposed at a connection portion of the receiving groove 41 and the circuit board 50.

In the embodiment of the present invention, the first sealant layer 70 is disposed at the connection position of the accommodating groove 41 and the circuit board 50, so that the waterproof property of the connection position of the accommodating groove 41 and the circuit board 50 can be effectively improved, and the waterproof property of the USB socket 100 can be further improved.

Optionally, as shown in fig. 8, a second sealant layer 80 is disposed at one end of the plastic housing 40, where the circuit board 50 is disposed, and the plastic housing 40 and the circuit board 50 enclose one end of the USB socket 100, where the pin 22 is disposed, into a sealed cavity through the second sealant layer 80, and the pin 22 is located in the sealed cavity.

In the embodiment of the invention, the second sealant layer 80 is disposed at the end of the plastic shell 40 where the circuit board 50 is disposed, so that the waterproof performance of the plastic shell 40 at the end of the USB socket 100 where the pins 22 are disposed can be effectively improved, and the waterproof performance of the USB socket 100 can be further improved.

Alternatively, the first sealant layer 70 and the second sealant layer 80 may be present. When there is not first sealant layer or second sealant layer, can increase whole waterproof construction at whole USB socket.

Optionally, as shown in fig. 9 and 10, a bracket 42 is embedded in the plastic housing 40, and one end of the bracket 42 is provided with a stop piece 421 for preventing the socket body 10 from being removed from the plastic housing 40.

In the embodiment of the present invention, the bracket 42 is embedded in the plastic housing 40, and one end of the bracket 42 is provided with the blocking piece 421, so that the socket body 10 can be effectively prevented from being removed from the plastic housing 40 by the blocking piece 421, and thus, the structural stability of the USB socket 100 can be further improved.

The embodiment of the invention also relates to a mobile terminal which comprises the USB socket.

The mobile terminal may be a mobile phone, a tablet computer, a Personal Digital Assistant (PDA), an e-book reader, an MP3 (Moving picture Experts compressed standard Audio Layer 3, Moving picture Experts Group Audio Layer III) player, an MP4 (Moving picture Experts compressed standard Audio Layer 4) player, a laptop, a vehicle-mounted computer, a desktop computer, a set-top box, an intelligent television, a wearable device, and so on.

It should be noted that the implementation manner of the above-mentioned USB socket embodiment is also applicable to the embodiment of the mobile terminal, and can achieve the same technical effect, and is not described herein again.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A Universal Serial Bus (USB) socket is characterized by comprising a socket body, a metal terminal arranged in the socket body, and a metal shell arranged outside the socket body, wherein the metal terminal comprises a metal terminal body and a pin formed by extending from the metal terminal body;

the socket body comprises a base and a tongue plate which extends outwards from the base, wherein the metal shell is sleeved on the base, and the metal plate and the tongue plate are arranged oppositely;

one end of the metal plate, which is far away from the metal shell body, is provided with a first guide part.

2. The USB socket according to claim 1, further comprising a hook spring, wherein the hook spring comprises a hook body and two fastening arms disposed at two sides of the hook body, and the ends of the fastening arms are provided with fastening portions, and the fastening portions are provided with second guiding portions.

3. The USB socket according to claim 2, wherein a plastic block is disposed at a connection point between the hook body and the hook arm, and the plastic block is attached to and fixed on an inner sidewall of the plastic housing.

4. The USB socket according to any one of claims 1-3, wherein the receiving slot has a positioning post, and the circuit board has a positioning hole corresponding to the positioning post.

5. The USB socket according to any one of claims 1-3, wherein a first sealant layer is disposed at a connection between the receiving slot and the circuit board.

6. The USB socket according to any one of claims 1 to 3, wherein the end of the plastic housing where the circuit board is disposed is provided with a second sealant layer, and the plastic housing and the circuit board enclose the end of the USB socket where the pins are disposed into a sealed cavity through the second sealant layer, and the pins are located in the sealed cavity.

7. The USB socket according to any one of claims 1 to 3, wherein a bracket is embedded in the plastic housing, and a stopper for preventing the socket body from being removed from the plastic housing is provided at one end of the bracket.

8. A mobile terminal, characterized in that it comprises a USB socket according to any one of claims 1 to 7.