Card connector and mobile phone equipped with it

Description: TECHNICAL FIELD [Detailed description of the invention]

【0001】

[Technical field to which the invention belongs]

The present invention relates to a card connector and a mobile phone including the card connector, and particularly to a card connector suitable for connecting a SIM (Subscriber Identification Module) card and a mobile phone including the card connector.

【0002】

[Conventional technology]

Conventionally, as a card connector of this type, for example, there is a contact device for an identification card described in Japanese Patent No. 2,574,710. In FIG. 5 of the above-mentioned patent gazette, in a contact device for an identification card having contact regions arranged in two rows (A, B), two sets of contact members 81 and 82 having the same length are alternately adjacent to each other. Disclosed is a contact device for an identification card in which the contact members 81 and 82 are arranged so as to be interleaved and the ends of the contact members 81 and 82 are arranged on opposite sides. Further, in FIG. 6 of the above-mentioned patent gazette, in a contact device for identification cards having contact regions arranged in two rows (A, B), two sets of contact members 10 and 11 having different lengths are alternately arranged. A contact device for an identification card in which the ends of the contact members 10 and 11 are arranged on the same side is described.

【0003】

[Problems to be Solved by the Invention]

In the identification card contact device disclosed in FIG. 5, when slide insertion is assumed, the end of the portion where the contact members 81 and 82 come into contact with the contact 1 of the card ends in the card mounting direction as in FIG. 1 of the above publication. Since the cards are oriented in opposite directions to each other, the tip of the inserted card may collide with the contact member when the card is slid and mounted.

【0004】

Further, in the identification card contact device disclosed in FIG. 6, the end of the portion where the contact members 10 and 11 come into contact with the contact 1 of the card is the same as in FIG. 2 of the above publication even when slide insertion is assumed. Since the card is oriented in the direction, there is no risk that the tip of the card will collide with the contact member when the card is mounted. However, since the ends of the contact members 10 and 11 are arranged on the same side, there is a problem that soldering to the printed circuit board is limited to only one side, and stable fixing to the printed circuit board cannot be performed.

【0005】

The present invention has been made to solve such a problem, and provides a card connector capable of stably fixing to a printed circuit board and preventing a collision when a card is mounted, and a mobile phone provided with the same. The purpose is.

【0006】

[Means for solving problems]

The card connector of the present invention is a card connector including a base member and two sets of contact members provided on the base member, one end of which is a joint portion to a circuit board and the other end of which is a contact portion to a card. The joints of the two sets of contact members are arranged at the opposite ends of the base member, and the contact portions of the two sets of contact members are oriented in the card mounting direction. Has an end. With this configuration, the card connector can be stably fixed to the circuit board by the joint portion, and the collision between the tip of the card and the contact portion can be prevented when the card is mounted.

【0007】

BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

【0008】

FIG. 1 is a diagram showing a card connector according to an embodiment of the present invention. Here, (a) is a plan view and (b) is a cross-sectional view.

【0009】

As shown in FIG. 1, the card connector 1 includes a plate-shaped base member 2, two sets of contact members 3 and 4 attached to the base member 2, and a pair of holding portions 9 and 9. There is. The base member 2 has a substantially rectangular planar shape, and its left edge side is formed wide. In the figure, the card is mounted by sliding on the card connector 1 from the right side to the left side. In the following description, the direction in which the card advances when the card is mounted is defined as the forward direction.

【0010】

A set of three contact members 3 is made of a thin and elongated metal piece, and a joint portion 5 to be soldered to a printed circuit board (not shown) is provided at the end on the card mounting side, and the contact of the card is provided at the other end. A contact portion 7 that comes into contact with the solder is provided. The contact member 3 goes straight from the end surface of the base member 2 on the card mounting side to the inside of the base member 2. Then, the cross section formed in the base member 2 corresponding to the contact portion 7 is exposed from the wall surface of the rectangular through hole 10. Further, it curves upward from the substantially central portion in the through hole 10 to be higher than the surface (upper surface) of the base member 2, forms a peak 7a, and then curves downward to the end. That is, the contact portion 7 is curved in a chevron shape and has an end in the card mounting direction.

【0011】

Further, the contact member 4 is made of a thin and elongated metal piece, and a joint portion 6 to be soldered to the printed circuit board is provided at the end opposite to the card mounting side, and the contact at the other end is in contact with the contact of the card. Part 8 is provided. The contact member 4 goes through the inside of the base member 2 from the end surface of the base member 2 opposite to the card mounting side, and is in front of the through hole 11 having a rectangular cross section formed in the base member 2 corresponding to the contact portion 8. Turn left in the direction of travel. Then, it goes straight in parallel with the through hole 11, and after passing through the through hole 11, reverses its direction and is exposed from the card mounting side wall surface of the through hole 11. Further, it curves upward from the substantially central portion in the through hole 11 to be higher than the surface (upper surface) of the base member 2, forms a peak 8a, and then curves downward to the end. That is, the contact portion 8 is curved in a chevron shape and has an end in the card mounting direction. In this way, by reversing the orientation of the contact member 4, the joint portion 6 is provided on the side opposite to the joint portion 5, and the direction of the contact portion 8 is aligned with the direction of the contact portion 7. There is.

【0012】

A pair of holding portions 9 are attached to the wide portion of the base member 2. The holding portion 9 is formed by bending a thin metal plate and fixing one end to the end of a wide portion, and elastically presses and holds both sides of the front portion of the card mounted on the card connector 1.

【0013】

Next, the card mounting procedure will be described with reference to FIG. When mounting the card 21 on the card connector 1, align the tip of the card 21 (the left end in the figure) with the right end of the holding portion 9, and move the card 21 to the left while passing it between the holding member 9 of the base member 2. Slide it. At this time, the contact portions 7 and 8 of the contact members 3 and 4 are pushed by the lower surface of the card 21 and bend downward in the through holes 10 and 11, and inside the through holes 10 and 11 as shown by the broken line in the figure. It will be stored in. Further, both the contact portions 7 and 8 gradually rise from the card mounting side, form a peak 8a, and then curve downward to the end, so that the tip of the card 21 collides with the contact portions 7 and 8. , The situation that damages the contact parts 7 and 8 does not occur. The rear end of the card 21 is held by the inner wall surface of the case of the mobile phone, for example, as will be described later.

【0014】

FIG. 3 is a diagram for explaining a mobile phone provided with a card connector according to an embodiment of the present invention. This figure shows the case 31 on the back side of the mobile phone. The back surface side case 31 is formed with an opening 32 for attaching a cover and a battery from a substantially central portion to a lower edge portion. The printed circuit board 33 of the mobile phone body is exposed in the opening 32, and the card connector 1 is fixed on the printed circuit board 33 by soldering. When the cover / battery is attached to the opening 32, it is preferable to form a protrusion at a position facing the contact portion 7 so as to hold the rear end when the card is mounted. ..

【0015】

As described above, in the card connector 1 according to the embodiment of the present invention, the base member 1 is stably fixed to the printed circuit board by joining the joint portions 5 and 6 at both ends of the base member 2 to the printed circuit board. Can be done. Further, since the contact portions 7 and 8 are curved in a chevron shape and have an end in the card mounting direction, it is possible to prevent the tip of the card from colliding with the contact member when mounting the card.

【0016】

[Effect of the invention]

As described above, according to the present invention, there is provided a card connector having an excellent effect that it can be stably fixed to a circuit board and a collision between a card tip and a contact portion can be prevented when a card is mounted. can do.

[Simple explanation of drawings]

[Figure 1]

A diagram showing a card connector according to an embodiment of the present invention, [Figure 2]

A diagram for explaining a procedure for mounting a card on the card connector according to the embodiment of the present invention. [Fig. 3]

It is a figure for demonstrating the mobile phone provided with the card connector of embodiment of this invention.

[Explanation of symbols]

1 card connector 2 Base member 3, 4 contact member 5, 6 joints 7, 8 contacts 9 Reservoir 10, 11 through holes 21 card