WO2017071252A1

WO2017071252A1 - Digital card

Info

Publication number: WO2017071252A1
Application number: PCT/CN2016/086240
Authority: WO
Inventors: 黄相欣
Original assignee: 乐视控股（北京）有限公司; 乐视移动智能信息技术（北京）有限公司
Priority date: 2015-10-28
Filing date: 2016-06-17
Publication date: 2017-05-04
Also published as: CN205122844U

Abstract

A digital card comprising: a digital card body; a PCB arranged within the digital card body; flexible pieces comprising multiple cantilevers (1), where first extremities of the cantilevers are bent upwards to form contact parts (2), the distal extremities of the contact parts of the cantilevers are connected to form a contact, while second extremities of the cantilevers are arranged at the digital card body, and the second extremities are connected to the PCB. The flexible pieces of the digital card are provided with multiple cantilevers, the first extremities of the cantilevers are bent upwards to form the contact parts, and the distal extremities of the contact parts of the multiple cantilevers are connected to form the contact, such structure increases the resilience of the flexible pieces, thus increasing the service life of the digital card.

Description

Digital card

Technical field

The present application relates to the field of communication transmission technologies, and more particularly to a digital card.

Background technique

The digital cards in the existing mobile phone hardware devices, such as SIM cards, SD cards, etc., mostly adopt the elastic structure of a single elastic arm. The elastic force of the shrapnel is small, and the long-term use may result in insufficient elastic force of the elastic arm, thereby causing poor contact, and finally causing data transmission or communication transmission to be affected. Thereby shortening the service life of the digital card.

Summary of the invention

One object of the present application is to solve the technical problem that the long-term use of the existing digital card can easily lead to insufficient elastic force of the elastic arm, thereby causing poor contact between the digital card and the portable device and shortening the service life of the digital card.

According to a first aspect of the present application, a digital card is provided. The digital card includes:

Digital card body;

a PCB board, wherein the PCB board is disposed in the digital card body;

a spring piece, the elastic piece includes a plurality of cantilevers, the first end of the cantilever is bent upward to form a contact portion, and the ends of the contact portions of the plurality of cantilevers are connected to form a contact; the second end of the cantilever is disposed at The digital card body is connected to the PCB board.

Preferably, the second ends of the plurality of cantilevers are in the same plane.

Preferably, the cantilever is three, and the contact portions of the cantilever on both sides are inclined toward the middle to form a wedge shape.

Preferably, the cantilever is two, and the contact portions of the two cantilevers are inclined toward the middle to form a wedge shape.

Preferably, the material of the elastic piece is a copper alloy.

Preferably, the digital card body further includes a casing, and the casing is made of plastic.

Preferably, the plurality of elastic pieces are in a plurality of rows, and the contacts are located in a plurality of rows.

Preferably, a plurality of said elastic pieces are spaced apart so that the contacts form 2 rows.

Preferably, a plurality of said elastic pieces are spaced apart so that the contacts form 3 rows.

Preferably, the elastic piece is integrally formed.

One technical effect of the present application is that the elastic piece of the digital card is provided with a plurality of cantilevers, and the first end of the cantilever is bent upward to form a contact portion, and the ends of the contact portions of the plurality of cantilevers are connected to form a contact. The structure increases the elastic force of the shrapnel and improves the service life of the digital card.

Other features and advantages of the present application will become apparent from the following detailed description of the exemplary embodiments.

DRAWINGS

The accompanying drawings, which are incorporated in FIG

Figure 1: Top view of the shrapnel of the digital card provided by the present application;

Figure 2 is a side view of the shrapnel of the digital card provided by the present application.

Among them, 1: cantilever; 2: contact.

detailed description

Various exemplary embodiments of the present application will now be described in detail with reference to the drawings. It should be noted that the relative arrangement of the components and steps, numerical expressions and numerical values set forth in the embodiments are not intended to limit the scope of the application.

The following description of the at least one exemplary embodiment is merely illustrative and is in no way

Techniques, methods and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but the techniques, methods and apparatus should be considered as part of the specification, where appropriate.

In all of the examples shown and discussed herein, any specific values are to be construed as illustrative only and not as a limitation. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that similar reference numerals and letters indicate similar items in the following figures, therefore, one Once an item is defined in a drawing, it is not required to be further discussed in subsequent figures.

The application provides a digital card, which may be a SIM card or an SD card. Referring to FIG. 1-2, the digital card includes: a digital card body, a PCB board, and a spring piece. The PCB board is disposed in the digital card body. It can be understood by those skilled in the art that different digital cards have different PCB boards built in according to their functions for data, signal or power transmission, which is not limited in this application. The elastic piece includes a plurality of cantilevers 1, and the first end of the cantilever 1 is bent upward to form a contact portion 2, and the ends of the contact portions 2 of the plurality of cantilevers are connected to form a contact. The contacts are curved faces to increase the contact area and facilitate installation, avoiding the contacts becoming sharp and causing damage to the mounting. The second end of the cantilever is disposed on the digital card body, and the second end is connected to the PCB board.

In order to reduce the thickness of the digital card, the second ends of the plurality of cantilevers 1 are located on the same plane.

In one embodiment, referring to Fig. 1, the cantilever 1 is three, and the contact portions of the cantilever 1 on both sides are inclined in the middle to form a wedge shape. The cantilever 1 on both sides is connected with the end of the intermediate cantilever 1 to form a contact, which not only utilizes the elastic properties of the material of the cantilever 1, but also utilizes the elastic properties of the wedge structure formed by the three cantilevers 1 to make the elastic piece have a good The resilience of the spring extends the life of the shrapnel.

In another embodiment, the number of the booms 1 is two, and the contact portions 2 of the two cantilevers 1 are inclined in the middle to form a wedge shape. Similarly, the elastic properties of the wedge structure are utilized to make the shrapnel have a good resilience and prolong the service life of the shrapnel.

In order to improve the transmission performance of data, signals or power, the elastic piece 1 is made of a copper alloy.

In order to protect the PCB board and the shrapnel and further extend the service life of the digital card, the digital card body also includes a casing, which is made of plastic considering the high plasticity of the material and the ease of processing. Of course, materials such as plastic and silicone can also be used.

Further, the plurality of elastic pieces are plural, and the contacts of the plurality of elastic pieces are located in a plurality of rows. In this way, the electrical signal transmission of the shrapnel can be made more uniform, and the local current is prevented from being excessive.

In one embodiment, the plurality of shrapnels are spaced apart such that the contacts form 2 rows. In another embodiment, a plurality of shrapnels are spaced apart to form the contacts into three rows. Both can make the electrical signal evenly transmitted.

In order to facilitate the processing and ensure the stability of the structure, the shrapnel adopts an integrated molding process, and the shrapnel It can be injection molded by injection molding or it can be formed by one stamping. Of course, other processing techniques can also be employed.

The elastic piece of the digital card provided by the utility model is provided with a plurality of cantilevers 1 , and the first end of the cantilever 1 is bent upward to form a contact portion 2 , and the ends of the contact portions 2 of the plurality of cantilevers 1 are connected to form a contact, the structure The elastic force of the shrapnel is increased to ensure good contact between the shrapnel and the portable device. Increased the life of your digital card.

Although the specific embodiments of the present application have been described in detail by way of example, those skilled in the art should understand that the above examples are only for the purpose of illustration and not limitation. It will be appreciated by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the application. The scope of the application is defined by the appended claims.

Claims

A digital card, comprising:

Digital card body;

a PCB board, wherein the PCB board is disposed in the digital card body;

a spring piece, the elastic piece includes a plurality of cantilevers (1), the first end of the cantilever (1) is bent upward to form a contact portion (2), and the contact portion (2) of the plurality of cantilever arms (1) The end connection forms a contact; the second end of the cantilever (1) is disposed on the digital card body, and the second end is connected to the PCB board.
The digital card according to claim 1, characterized in that the second ends of the plurality of cantilevers (1) are located in the same plane.
The digital card according to claim 1 or 2, characterized in that the cantilever (1) is three, and the contact portion (2) of the cantilever (1) on both sides is inclined in the middle to form a wedge shape.
The digital card according to any one of claims 1 to 3, characterized in that the cantilever (1) is two, and the contact portions (2) of the two cantilevers (1) are inclined toward the center to form Wedge shape.
The digital card according to any one of claims 1 to 4, wherein the elastic piece is made of a copper alloy.
The digital card according to any one of claims 1 to 5, wherein the digital card body further comprises a casing, and the casing is made of plastic.
The digital card according to any one of claims 1 to 6, wherein the plurality of elastic pieces are plural, and the contacts are located in a plurality of rows.
A digital card according to any one of claims 1 to 7, wherein a plurality of said elastic pieces are spaced apart so that the contacts are formed in two rows.
A digital card according to any one of claims 1 to 8, characterized in that a plurality of said elastic pieces are spaced apart so that the contacts form three rows.
The digital card according to any one of claims 1 to 9, wherein the elastic piece is integrally formed.