TWI384833B - A chip card locking structure - Google Patents

Description

Wafer card fixing device for portable electronic products

The present invention relates to a wafer card fixing device for a portable electronic product.

With the rapid development of the electronics industry and the ever-changing technology, many portable electronic products are being introduced. There are also a variety of chip cards for portable electronic products, such as SD cards, SIM cards, and the like. Portable electronic products bring many conveniences to people's lives, and their functions are increasingly diversified, which has become a necessity for the consumer's life. The chip card installed in the portable electronic product is provided with the necessary information for operating the portable electronic product, and the user's personal information is recorded, so the chip card is an important component of the portable electronic product, which is equipped with the IC chip. Plastic cards, so there must be a device to secure the wafer card to the portable electronic product.

Referring to the first and second figures, a conventional mobile phone 1 includes a mobile phone housing 11, a SIM card 12, a battery 13, and a battery cover 14. The back surface of the casing 11 is provided with a cavity (not shown) for accommodating the SIM card 12 and the battery 13. In order to make the mobile phone 1 thinner, a design method of arranging the SIM card 12 and the battery 13 in a staggered manner is generally employed. If the design method of disposing the SIM card 12 and the battery 13 is adopted, the battery cover 14 needs to be designed to be large, and the length of the battery cover 14 is at least equal to the total length of the SIM card 12 and the battery 13, so that the opening can be ensured. After the battery cover 14, the SIM card 12 and the battery 13 are smoothly taken out, and the SIM card 12 and the battery 13 are completely covered after the battery cover 14 is mounted.

However, the battery cover 14 is too large to occupy most of the area on the back of the mobile phone 1, which is disadvantageous for designing additional functions such as a digital camera and a speaker in the remaining area on the back of the mobile phone 1.

In view of the above disadvantages, it is necessary to provide a wafer card fixing device for a portable electronic product in which a battery cover is small and it is convenient to design various additional functional components on the back side of a portable electronic product.

A wafer card fixing device includes a casing and a latching member, and the casing is provided with a battery receiving cavity and a wafer card receiving cavity disposed on a side of the battery receiving cavity, the chip card receiving cavity a locking hole is disposed in the wafer card receiving cavity, and includes a flat plate portion, a pulling portion disposed at one end of the flat plate portion, and a hook portion disposed at the other end of the flat plate portion; the flat plate portion is provided with a hook portion The positioning block includes a spring arm fixed at one end by the flat plate portion and a protrusion located at the end of the elastic arm, and the bump is engaged with the positioning hole to prevent the locking member from completely falling out of the wafer card receiving cavity.

Compared with the prior art, the battery card holder of the portable electronic product has a battery receiving cavity and a wafer card receiving cavity which is disposed on the side of the battery receiving cavity, and the chip card receiving cavity is disposed in the battery. The latching member and a wafer card can be disposed in the wafer card receiving cavity, so that the length of the battery cover is equal to the length of the battery, and the battery cover is small, occupying the back of the portable electronic product. There are fewer areas, which facilitates the design and installation of additional functions such as digital cameras and speakers in the remaining area on the back of the portable electronic product.

A preferred embodiment of the present invention discloses a wafer card securing device suitable for use in a portable electronic device such as a mobile phone or a PDA. In this embodiment, the chip card fixing device is described by taking a SIM card fixing device of a mobile phone as an example.

Referring to the third to fifth figures, the SIM card fixing device of the present invention comprises a shell The body 3, a latching member 4 and a SIM card connector 5 for fixing the SIM card 7 of the mobile phone.

The housing 3 is a part of the mobile phone casing, and has a substantially rectangular parallelepiped shape. The casing 3 includes a front surface and a rear surface 31. The lower half of the rear surface 31 defines a rectangular battery receiving cavity 32, and the battery receiving cavity 32. The side sill 321 is provided with a SIM card housing cavity 33 directed to the upper half of the back surface 31.

The latching member 4 is disposed in the SIM card receiving cavity 33. When moving in the SIM card receiving cavity 33, the SIM card 7 is driven to move in the SIM card receiving cavity 33. The lock member 4 includes a flat plate portion 41, a pulling portion 42 provided at one end of the flat plate portion 41, a hook portion 43 provided at the other end of the flat plate portion 41, and a positioning block 44 provided on the flat plate portion 41. The flat plate portion 41 is for supporting the surface of the SIM card 7, and the pulling portion 42 is for pulling the latching member 4, and the head portion of the pulling portion 42 can be bent to prevent slippage when the pulling portion 42 is pulled. The hook portion 43 has a U-shaped outer shape, and the hook portion 43 forces the SIM card 7 to slide out of the SIM card housing cavity 33 when the pulling portion 42 is pulled. The positioning block 44 includes a spring arm 441 fixed at one end by the flat plate portion 41 and a protruding point 442 disposed at the end of the elastic arm 441. After the assembly, the bump 442 cooperates with a plurality of positioning slots provided in the SIM card receiving cavity 33, and the positioning block 44 The positioning function is prevented, and the locking member 4 can be prevented from being completely detached from the SIM card housing cavity 33. In order to simplify the manufacturing method of the lock member 4, the lock member 4 can be integrally formed. In order to smoothly slide the latching member 4 in the SIM card receiving cavity 33, a guiding portion 45 can be provided on both sides of the latching member 4, which cooperates with a guiding portion (not shown) provided in the housing 3 to guide the latching member 4 Move direction.

The SIM card connector 5 is fixed in the SIM card receiving cavity 33 at a position opposite to the latching member 4, and a plurality of elastic contacts 51 are disposed thereon. The inserted SIM card 7 is clamped between the latching member 4 and the resilient contact 51, so that the SIM card connector 5 It is electrically conductive with the SIM card 7 and is electrically conductive. At this time, the information of the SIM card 7 can be transmitted into the mobile phone, and the information in the mobile phone can also be transmitted into the SIM card 7.

When assembling, the latching member 4 and the SIM card connector 5 are first fixed in the SIM card receiving cavity 33, and then the SIM card 7 is inserted into the SIM card receiving cavity 33, and then the battery and the battery cover are installed. Since the latch 4 and the SIM card connector 5 are in the SIM card housing cavity 33 provided on the side 321 of the battery accommodating chamber 32, the SIM card 7 can be inserted into the SIM card accommodating chamber 33 when the mobile phone is used. Therefore, the length of the battery cover is equal to the length of the battery receiving cavity 32. If the battery cover is small, the area of the back 31 of the mobile phone is small, which is advantageous for designing and installing digital cameras, speakers, etc. in the remaining area of the back 31 of the mobile phone. Additional features.

Referring to the sixth to eighth figures, the entire process of taking out the SIM card 7 will be described in the order of the figures. When the SIM card 7 is clamped between the latching member 4 and the SIM card connector 5 in the SIM card housing cavity 33, the pulling portion 42 of the latching member 4 is pulled by hand, and the latching member 4 slides in the SIM card housing cavity 33. The latching member 4 drives the SIM card 7 to advance together, and the bump 442 of the elastic arm 44 enters the second positioning hole 332 from the first positioning hole 331. There will be a slight impact on your hand.

At this time, the latching member 4 is pushed back to the initial position, because the SIM card 7 and the elastic contact 51 of the SIM card connector 5 have elastic friction, so the SIM card 7 does not return to the initial position along with the latching member 4, the SIM card The end of the 7 is left outside, and the user can directly grasp the extended portion of the SIM card 7 and continue to pull out and take it out.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above is only the preferred embodiment of the present invention. The scope of the present invention is not limited to the above-described embodiments, and equivalent modifications or variations made by those skilled in the art in light of the spirit of the present invention are intended to be included in the following claims.

3‧‧‧Shell

42‧‧‧ Pulling Department

31‧‧‧ Back

43‧‧‧ hook

32‧‧‧Battery accommodating chamber

44‧‧‧ Positioning block

321‧‧‧ side

441‧‧‧Bounce arm

33‧‧‧SIM card receiving cavity

442‧‧‧ bumps

331‧‧‧First positioning hole

45‧‧‧Guidance Department

332‧‧‧Second positioning hole

5‧‧‧SIM card connector

4‧‧‧Locking parts

51‧‧‧Flexible contacts

41‧‧‧ Flat section

7‧‧‧SIM card

1 is a perspective view of a conventional mobile phone battery and a SIM card; a second view is a perspective view of a back of a conventional mobile phone; and a third view is an exploded view of a mobile phone SIM card fixing device according to a preferred embodiment of the present invention; 4 is a perspective view of a latch for a mobile phone SIM card fixing device according to a preferred embodiment of the present invention; FIG. 5 is a perspective view of a mobile phone SIM card fixing device according to a preferred embodiment of the present invention; BRIEF DESCRIPTION OF THE DRAWINGS FIG. 7 is a cross-sectional view of a latching member in a closed position; FIG. 7 is a cross-sectional view of a latching member for a mobile phone SIM card fixing device in a pull-out position according to a preferred embodiment of the present invention; Figure 8 is a cross-sectional view showing the preferred embodiment of the present invention in which the mobile phone SIM card holder is pushed back to the initial position by the latch.

3‧‧‧Shell

43‧‧‧ hook

31‧‧‧ Back

44‧‧‧ Positioning block

32‧‧‧Battery accommodating chamber

441‧‧‧Bounce arm

321‧‧‧ side

442‧‧‧ bumps

33‧‧‧SIM card receiving cavity

5‧‧‧SIM card connector

4‧‧‧Locking parts

51‧‧‧Flexible contacts

41‧‧‧ Flat section

7‧‧‧SIM card

42‧‧‧ Pulling Department

Claims (6)

A wafer card fixing device includes: a casing, wherein the casing is provided with a battery receiving cavity and a wafer card receiving cavity disposed on a side of the battery receiving cavity, and a positioning is arranged in the chip card receiving cavity a latching member, the latching member is disposed in the wafer card receiving cavity, and includes a flat portion, a pulling portion disposed at one end of the flat portion, and a hook portion disposed at the other end of the flat portion; the flat portion is disposed a positioning block includes a spring arm fixed at one end by the flat plate portion and a protrusion located at an end of the elastic arm, the bump being engaged with the positioning hole to prevent the locking member from falling completely from the wafer card receiving cavity . The wafer card fixing device of claim 1, further comprising a wafer card connector disposed in the wafer card housing cavity at a position opposite to the latching member, the chip card connector and the wafer card Conductive connection. The wafer card securing device of claim 1, wherein the latching member is integrally formed. The wafer card securing device of claim 1, wherein the head of the pulling portion is bent to prevent the sliding from being pulled. The wafer card securing device of claim 1, wherein the hook has a U-shape. The wafer card securing device of claim 1, wherein the two sides of the latching member are provided with guiding portions for guiding the moving direction of the latching member.