TWI393416B - Sim card catching mechanism - Google Patents

Description

SIM card fixture

The present invention relates to a SIM card securing device, and more particularly to a SIM card securing device suitable for use in a mobile phone.

With the rapid development of the electronics industry and the ever-changing technology, many communication products are being introduced. In recent years, mobile phones have brought many conveniences to people's lives, and their functions have become increasingly diversified, which has become a necessity for the masses of consumers. The SIM card (user identification card) installed in the mobile phone is written with the necessary information for operating the mobile phone, and the personal information of the user is recorded, which is an important component of the mobile phone, which is an IC chip. Plastic card. Therefore, it is necessary to have a device to fix the SIM card to the mobile phone.

Please refer to the first figure, a conventional SIM card fixing device, as disclosed in the Chinese Patent No. 200320116778.6, which is hereby incorporated by reference. 20'. A setting port 101' is defined in the mounting seat 10', and the SIM card is disposed at the setting port 101'. The blocking member 20' has a fixing portion 201', a biasing portion 203', and a deformable portion 205'. The blocking member 20' is disposed on the mounting seat 10', and the fixing portion 201' is opposed to the setting opening 101' for locking the SIM card, thereby securing the SIM card at the setting opening 101'. When the SIM card is attached or detached, the urging portion 203' can be biased to deform the deforming portion 205', and the fixing portion 201' can be retracted from the installation port 101'. However, the SIM card fixing device has a disadvantage in that the deformation portion 205' has a large height. When the pushing force portion 203' is pushed, the height is larger, so it is necessary to reserve an active space, which will increase the thickness of the entire mobile phone; when loading and unloading the SIM card, it is necessary to push the blocking component 20' with one hand at the same time, one hand It is very inconvenient to take out the SIM card and operate both hands at the same time.

In view of the above, it is necessary to provide a SIM card fixing device which occupies less space and is convenient for loading and unloading a SIM card.

A SIM card fixing device for fixing a SIM card to a mobile phone, comprising a casing, a latching member and a blocking block. The housing is provided with a receiving cavity for accommodating the battery and a receiving cavity for accommodating the SIM card, and two opposite sides of the receiving cavity are respectively provided with a stopper and a bayonet, and the two latches on the rear side of the housing The side of the flat side is provided with a fixing column; the locking member comprises a flat portion, and the two ends of the flat portion are respectively provided with a flap and a folded edge, and the flat portion is further provided a resilient piece; the blocking block is provided with two symmetrically disposed through holes, and the through hole cooperates with the fixing post to fix the blocking block to the housing; wherein one of the flap and the flange and the housing The other end is engaged with the housing, and one end of the elastic piece abuts against the stopper, and the blocking block and the protruding piece are disposed at the bayonet so that the flap or the folded edge of the locking member cannot be disengaged. mouth.

Compared with the prior art, the locking component of the SIM card fixing device has a small thickness, so that the entire SIM card fixing device occupies a small space in the thickness direction; the SIM card fixing device only includes two components: the locking member and the housing, so the structure Simple, low cost; in addition, when loading and unloading the SIM card, the operation is simple, especially without the need to operate at the same time, which is extremely convenient.

The preferred embodiment of the present invention discloses a SIM card fixing device suitable for a portable electronic device such as a mobile phone. In this embodiment, the SIM card fixing device is described by taking a mobile phone as an example.

Referring to the second to fifth figures, the SIM card fixing device includes a casing 10, a latching member 20 and a blocking block 50. A SIM card is fixed to the casing 10 through the latching member 20, and the SIM card is electrically connected to a circuit board through a connector 40.

The housing 10 is a portion of a mobile phone housing, generally in the shape of a rectangular parallelepiped, including a front side 100 and a rear side 101. A rectangular receiving cavity 102 for accommodating the battery is defined in the lower half of the housing 10. The receiving cavity 102 is surrounded by the surrounding wall 103. An opening 104 for inserting the connector 40 is defined in the upper half of the housing 10. The rear side 101 is provided with four fastening plates 107 respectively located around the opening 104 for connecting The device 40 is fastened to the housing 10. A notch 105 is defined in the peripheral wall 103 of the opening 104. The notch 105 is formed corresponding to the opening 104. The notch 105 extends to the casing 10, and a recess 106 is formed on the casing 10 lower than the rear side 101. A stopper 108, a bayonet 110 and two ribs 112 are respectively disposed around the opening 104, wherein the stopper 108 abuts against the edge of the notch 105, and the bayonet 110 is disposed on the opposite side of the opening 104 from the stopper 108. The ribs 112 are disposed on the other two opposite sides of the opening 104. Each of the ribs 112 is bent at a portion of the ribs 112 toward the other rib 112 to form a receiving cavity 114 for receiving the SIM card. A flange 116 and a protrusion 118 are respectively protruded from two sides of the bayonet 110 on the side surface 101 of the housing 10, and a fixing post 120 is disposed at each end of the flange 116.

Referring to the second figure, the latching member 20 is generally in the form of a rectangular plate, which includes a The flat portion 201, the opposite ends of the flat portion 201 are vertically bent and then vertically extended in a direction parallel to the other direction of the flat portion 201, and respectively form a flap 202 and a hem parallel to the flat portion 201. 204, the end of the flange 204 is again vertically bent into a curl 205. A rectangular elastic piece 206 is punched out on one end of the flat plate portion 201 near the flap 202. One end of the elastic piece 206 near the end of the flat plate portion 201 is a free end, and the other end is connected to the middle of the flat plate portion 201, and the free end is curled into a hook 207. . The width of the flat portion 201 is equivalent to the width of the two ribs 112 of the housing 10 adjacent the one end of the notch 105, and the width of the elastic piece 206 is equivalent to the length of the stopper 108 of the housing 10.

The SIM card 30 is written with the necessary information for operating the mobile phone, and the user's personal information is recorded, which is a plastic card containing the IC chip. The SIM card 30 is mounted in the receiving cavity 114 of the housing 10.

The connector 40 is mounted at the opening 104 of the housing 10, a portion of which contacts the wafer of the SIM card 30, and another portion of which is connected to a circuit board or the like, thereby electrically connecting the SIM card 30 to the outside. The connector 40 has been fixedly mounted to the opening 104 of the housing 10 by the fixing plate 107 before the SIM card 30 is mounted.

The blocking block 50 is a block-shaped body having a convex shape, and a step 500 is formed on each of the protruding portions. A through hole 504 is defined in the step 500. Two fixing posts 120 on the housing 10 are inserted into the two through holes 504. Inside, the blocking block 50 is fixed to the casing 10.

When the latching member 20 is assembled, the folded edge 204 of the latching member 20 is first inserted into the bayonet 110 of the housing 10, and then the latching member 20 is rotated 90° along its flange 204 so as to be substantially parallel to the front side 100 of the housing 10. . Then the latch 20 is along The ribs 112 are moved in the longitudinal direction, even if the latching member 20 is moved toward the accommodating cavity 102, so that the latching member 20 is completely depressed to make the flat plate portion 201 parallel to the front side 100 of the housing 10. At this time, the flap 202 is located. At the notch 105, the latching member 20 is then moved in the opposite direction, even if the latching member 20 is moved away from the accommodating cavity 102, so that the flap 202 and the hem 204 are respectively engaged with the recess 106 outside the notch 105 of the housing 10. And the bump 118 at the edge of the bayonet 110, at this time, the hook 207 abuts against the block 108. Finally, the blocking block 50 is placed at the bayonet 110 so as to cover the bayonet 110 from the rear side 101, and the through hole 504 and the fixing post 120 of the casing 10 are engaged, so that the latching member 20 cannot be disengaged, and only The latching member 110 is rotated around the bayonet 110 to mount the latching member 20 to the housing 10.

Referring to FIG. 6 to FIG. 8 together, when the SIM card 30 needs to be taken out, the hook 207 is first lifted over the stopper 108, and the latching member 20 is pulled to move toward the accommodating cavity 102, and is pulled to After a certain distance, the flap 202 is disengaged from the edge of the notch 105 of the housing 10, and the curled edge 205 is still stuck at the bump 118 and the blocking block 50 and cannot be pulled out of the bayonet 110. At this time, the latching member 20 can be rotated. The SIM card 30 is conveniently taken out. The process of installing the SIM card 30 is the same as the process of taking out.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the above description is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or changes in accordance with the spirit of the present invention. It should be covered by the following patent application.

10‧‧‧shell

100‧‧‧ front side

101‧‧‧ rear side

102‧‧‧ 容室

103‧‧‧Wall

104‧‧‧ openings

105‧‧‧ gap

106‧‧‧ dent

107‧‧‧Kart board

108‧‧‧blocks

110‧‧‧ bayonet

112‧‧ ‧ ribs

114‧‧‧ containment chamber

116‧‧‧Front

118‧‧‧Bumps

120‧‧‧Fixed column

20‧‧‧Locking parts

201‧‧‧ Flat section

202‧‧‧Fold

204‧‧‧Folding

205‧‧‧ 边边

206‧‧‧Shrap

207‧‧‧ hook

30‧‧‧SIM card

40‧‧‧Connector

50‧‧‧block block

500‧‧‧ steps

504‧‧‧through hole

The first figure is an exploded perspective view of a conventional SIM card fixing device; The second drawing is an exploded perspective view of a preferred embodiment of the SIM card fixing device of the present invention; the third drawing is an exploded perspective view of another preferred embodiment of the SIM card fixing device of the present invention; 3 is an assembled view of a preferred embodiment of the present invention; the fifth embodiment is a perspective view of a preferred embodiment of the SIM card fixing device of the present invention; and a sixth embodiment is a preferred embodiment of the SIM card fixing device of the present invention. Figure 6 is a cross-sectional view of the fourth figure taken along the line VI-VI; the seventh picture is a cross-sectional view of the fourth picture along the VI-VI direction; the eighth picture is the fourth picture opened along the VI-VI Cutaway view.

10‧‧‧shell

100‧‧‧ front side

102‧‧‧ 容室

103‧‧‧Wall

104‧‧‧ openings

105‧‧‧ gap

108‧‧‧blocks

110‧‧‧ bayonet

112‧‧ ‧ ribs

114‧‧‧ containment chamber

20‧‧‧Locking parts

201‧‧‧ Flat section

202‧‧‧Fold

204‧‧‧Folding

205‧‧‧ 边边

206‧‧‧Shrap

207‧‧‧ hook

30‧‧‧SIM card

40‧‧‧Connector

50‧‧‧block block

500‧‧‧ steps

504‧‧‧through hole

Claims (8)

A SIM card fixing device for fixing a SIM card to a mobile phone, comprising: a housing having a receiving cavity for accommodating a battery and a receiving cavity for accommodating a SIM card, the housing receiving A stopper and a bayonet are respectively disposed on opposite sides of the cavity, and a flange and a protrusion are disposed on both sides of the bayonet on the rear side of the shell, and a fixing post is disposed at each end of the flange; a latching member, The latching member comprises a flat plate portion, a folded piece and a folded edge are respectively arranged at two ends of the flat plate portion, and a spring piece is further disposed on the flat plate portion; and a blocking block is provided, and the blocking block is provided with two symmetrically disposed through holes. The through hole cooperates with the fixing post to fix the blocking block to the casing; wherein one of the flap and the flange cooperates with the bayonet on the casing, and the other buckles with the casing, the shrapnel One end abuts the stop, and the blocking block and the protrusion are disposed at the bayonet so that the flap or the flap of the latching member cannot be pulled out of the bayonet. The SIM card fixing device of claim 1, wherein the housing further defines an opening surrounded by the receiving cavity for inserting a connector connected to the SIM card. The SIM card fixing device according to claim 2, wherein the housing has a substantially rectangular parallelepiped shape, and includes a front side surface and a rear side surface. The accommodating chamber is surrounded by the surrounding wall and is adjacent to the peripheral wall of the opening. There is a gap corresponding to the opening. The SIM card fixing device according to claim 1, wherein the receiving cavity is composed of two oppositely disposed ridges, the two ribs are disposed perpendicular to the bump and the bayonet, and the two ends of each rib Each part is bent toward the other rib. The SIM card fixing device according to claim 3, wherein the locking member has a rectangular plate shape, and the opposite ends of the flat plate portion are vertically bent and then bent in one direction to form the folded piece and Folding, the other of the flap and the hem is snapped to the edge of the notch. The SIM card fixing device according to claim 5, wherein the end of the flap or the hem is bent again into a curled edge, and the curled edge is stuck at the bump and the blocking block. The SIM card fixing device according to claim 5, wherein the elastic piece is a rectangular portion which is formed by extending one end of the locking member from the end of the locking piece toward the middle portion thereof, and the one end of the end portion of the locking member is a free end. The other end is connected to the flat portion of the latch. The SIM card fixing device according to claim 7, wherein the free end of the elastic piece is curled in a direction opposite to the bending of the flap to form a pull hook, and the pull hook abuts the stopper.