KR100686216B1 - Card connecting apparatus for mobile phone - Google Patents

Abstract

The present invention relates to a card connection device for a mobile phone, wherein a plurality of chip terminal insertion grooves are provided with a base plate and two side plates formed in two rows of front and rear portions, and are exposed to the allowable length set at a position where the card is connected. Synthetic resin main body is formed in a size as small as the exposure length and is formed in the form of a latching portion is provided to the rear end of the base plate on both sides and the rear end of the both sides and the extension portion is provided with a locking portion to be fixed at the position where the card is completed insertion Wow; A chip connection terminal having a ground contact portion inserted into and fixed to each chip terminal insertion groove of the base plate and connected to a printed circuit board, and a round contact portion connected to an IC chip of the card; It is configured to include a pair of metal guide plate which is fixed to the middle portion of the side plate of the main body to guide the slide movement of the card and elastically support the position where the card is inserted. The present invention described above is a card connection device for a mobile phone according to the present invention as described above as a card connection device consisting of only the main body can be easily mounted on the main body, the card is not only securely fixed, but also conventional The size of the printed circuit board is smaller than that of the card connection device. In addition, by inserting the card into the slide guide groove formed by combining the main body and the guide plate, the IC chip of the card and the round contact portion of the chip connection terminal are securely connected, and the card is kept stable without moving up, down, left and right, and electrical connection. This is advantageously kept stable so that no information skipping problem occurs. In addition, the guide plate is formed of a metal material has the advantage that can be used safely without loosening or damage even when repeatedly inserting and withdrawing the card. In addition, there is a big advantage that all cards such as SIM card, memory card and the like can be commonly used as one card connection device.

Description

Card connection device for mobile phone {CARD CONNECTING APPARATUS FOR MOBILE PHONE}

1 to 3 is a view showing a conventional connector for a sam card,

1 is a perspective view showing a connector for a sam card with the connector cover open;

Figure 2 is a perspective view showing a state in which the connector cover is opened and the thumb card is inserted.

3 is a perspective view showing a state in which the connector cover is closed and locked.

4 to 17 is a view of the card connection device for a mobile phone according to the present invention,

Figure 4 is an exploded perspective view of a part of the card connection device for a mobile phone.

5 is a plan view of a card connection device for a mobile phone.

Figure 6 is a side view of the card connection device for a mobile phone.

7 is a rear view of the card connection device for a mobile phone.

8 is a plan view of the main body;

9 is a side view of the main body;

10 is a rear view of the main body;

11 is a perspective view of a guide plate.

12 is a perspective view of a chip connection terminal.

Fig. 13 is an exploded perspective view of a connection terminal for a card detection switch.

14 is an exploded perspective view showing a mobile phone card connection device separated from the printed circuit board.

15 is an explanatory view showing the operation of the card connection device for a mobile phone step by step.

16 and 17 show a comparison between a credit card, a sim card, and a memory card, respectively.

Floor plan.

<Description of the symbols for the main parts of the drawings>

1: card 2: IC chip

20: printed circuit board 100: main body

110: base plate 111: extension part

112: engaging portion 113: through hole

114: inclined surface 120: both side plates

130: chip terminal insertion groove 131: protection unit

132: fixing part 133: exposed part

134: slope 135: locking hole

140: detection terminal insertion groove 141,142: fixed groove

150: fixing groove 151: protrusion

152: groove 200: chip connection terminal

210: fixing part 211: grounding part

212: extension 213: inclined surface

214: toothed press-fitting part 220: movable part

221: contact portion 230: carbon part

240: engaging piece 300: terminal for card detection switch

310: upper terminal 311: ground terminal

312: movable connection piece 313: contact portion

320: lower terminal 321: ground terminal

322: fixed connection piece 400: guide plate

410: side portion 411: insertion hole

412: stone piece 420,421: upper and lower guide part

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a card connection device for a mobile phone, and more particularly, to a card connection device for a mobile phone. In particular, the card is easily inserted, the card is firmly mounted, and the damage caused by the friction of the IC chip is prevented. It relates to a card connection device for a mobile phone, which occupies a small area and allows a long-term safe use.

In general, the features of cards such as SIM cards and memory cards are used as security modules and data storage devices, which store keys and parameters in IC chips, perform mutual authentication between communication directions, and encrypt and store important data. The size of the card is 25mm x 15mm, with one corner cut at an angle of 45 degrees to ensure proper insertion into the connector. The use form of the card is mainly inserted into the connecting device and kept in a fixed state continuously. Usually, once inserted, it is not replaced for a long time.

A conventional card connection device for installing such a card in a product and electrically connecting the card will be described with reference to the accompanying drawings.

1 to 3 is a view showing a conventional sam card connector, Figure 1 is a perspective view showing the connector for the sam card with the connector cover open, Figure 2 shows the connector cover is opened and the spring card is inserted A perspective view is shown, and FIG. 3 is a perspective view showing a state in which the connector cover is closed and locked.

As shown in the drawing, a plurality of chip connection terminals 3 connected to the IC chip 2 of the thumb card 1 are fixed to the connector body 5 and the connector cover into which the thumb card 1 is inserted ( The rear end of 6) is hinged to be rotatably opened and closed to the rear end of the connector body 5, and the projections 7 protruding to both sides of the rear end of the connector body 5 are both sides of the connector cover 6. It is elastically tightly inserted into the long hole 9 formed at each end of the support section 8 so as to be rotatable, and the thumb card 1 is provided on the inner side of both support sections 8 of the connector cover 6. Insertion grooves 4 for insertion are formed respectively.

At the rear end of the connector main body 5, the connector cover 6 is rotated and closed to form the latching jaw 13 into which the thumb card 1 is inserted and the rear end of the connector cover 6 is formed, and the front end of the connector main body 5 is formed. On one side, a catching piece 5a on which the thumb card 1 is caught is formed.

A pair of locking protrusions 10 are formed on the inner side surfaces of the front end portions of both support sections 8, respectively, and the connector covers 6 are rotated and closed on both side surfaces of the front end portions of the connector body 5, and the locking protrusions ( Passing portions 11 are formed in pairs so that 10 may pass, and the locking projections 10 may be moved by closing the connector cover 6 on both sides of the front end of the connector body 5 and moving backwards. The locking pieces 12 to be locked and locked are formed in a pair formed in the rear side adjacent to the passage 11.

Such a conventional card connection apparatus has a problem in that it occupies a large area of a printed circuit board with a size slightly larger than a card in terms of size.

In addition, since the card connector cover rotates freely up and down, it is difficult to insert and extract a card.

In addition, repeatedly inserting and withdrawing the card has a problem that the card fixing mounting portion of the connection device is loose and easily broken.

The present invention has been made to solve the above-mentioned problems and defects as described above, the card is easily inserted, the card is firmly mounted, to prevent damage due to friction of the IC chip, and to reduce the area of the printed circuit board It is an object of the present invention to provide a card connection device for a mobile phone that takes up less and can be used safely for a long time.

In order to achieve the above object, the card connection device for a mobile phone requires the following for smooth insertion and withdrawal of a card, stable signal connection, and reliability.

1) There must be physical mounting part to fix the card.

2) It must be durable because it must be inserted into the card connector and remain fixed.

3) The area of the printed circuit board should be minimized.

4) The mounting part that protects the card so that the information in the card can be read reliably, it must be reliable, easy to insert and withdraw, and misrecognized information in the card without being affected by repeated insertion and withdrawal. It must be durable and not skipped.

5) Once inserted, the contact force should be strong because it will be used for a long time.

To this end, the card connection device for a mobile phone according to the present invention has a plurality of chip terminal insertion grooves formed in two rows on a base, and a main body having both side plates provided on the base, and chip connection terminals respectively inserted and fixed in the chip terminal insertion grooves of the base. And a guide plate fixed to the middle portions of both side plates of the main body to guide the slide movement of the card and to support the card to be maintained at the inserted position.

According to one embodiment of the present invention, a plurality of chip terminal insertion grooves are provided with a base plate and two side plates formed in two rows of front and rear portions, and are smaller than the exposure length so as to be exposed by the allowable length set at the position where the card is connected. A synthetic resin body formed in a size and provided with both extension parts to the rear of the base plate, and having a latching part at the rear end of the both side plates and the extension part so as to be caught and fixed at a position where the card is inserted; A chip connection terminal having a ground contact portion inserted into and fixed to each chip terminal insertion groove of the base plate and connected to a printed circuit board, and a round contact portion connected to an IC chip of the card; It is configured to include a pair of metal guide plate which is fixed to the middle portion of the side plate of the main body to guide the slide movement of the card and elastically support the position where the card is inserted.

The rear one side extension of the base plate of the main body is coupled to the connection terminal for the card detection switch for detecting the insertion of the card.

The chip connection terminal has a bent portion formed in the middle of the fixed portion and the movable portion is bent, the ground portion to be soldered to the printed circuit board is formed stepwise bent at the outer end of the fixed portion, the round contact portion is formed in the movable portion is curved, The chip terminal insertion groove of the base plate is provided with a protective part into which the intermediate stop part of the chip connection terminal is inserted, a fixing part into which the fixing part of the chip connection terminal is inserted and fixed, and an exposed part exposing the round contact part of the chip connection terminal. Formed and configured.

Hereinafter, with reference to the accompanying drawings, the present invention will be described in detail as follows.

4 to 17 is a view showing a card connection device for a mobile phone according to the present invention, Figures 4, 5, 6 and 7 are partially exploded perspective view, plan view, side view and rear view, respectively, Figure 8, 9 and 10 respectively show a plan view, a side view and a rear view of the main body, FIG. 11 is a perspective view of a guide plate, FIG. 12 is a perspective view of a chip connection terminal, and FIG. 13 is an exploded perspective view of a connection terminal for a card detection switch. Each is shown, Figure 14 is an exploded perspective view showing the mobile phone card connection device separated from the printed circuit board.

And, Figure 15 is an operation explanatory diagram showing the operation of the card connection device for a mobile phone step by step.

As shown in the drawing, the card connection device for a mobile phone according to the present invention is provided with a base plate 110 and both side plates 120 in which a plurality of chip terminal insertion grooves 130 are formed in two rows, front and rear, and a card ( 1) is formed to a size smaller than the exposure length of the card 1 so as to be exposed by the set length in the position that is connected, and both sides extending portion 111 is provided to the rear of the base plate 110 and the both side plates ( The synthetic resin material main body 100 and the base plate (120) formed on the rear end of the 120 and the extension portion 111 is provided with a catching portion 112 so as to be caught and fixed at the position where the card 1 is inserted. A ground contact portion 211 inserted into and fixed to each chip terminal insertion groove 130 of the 110 and connected to the printed circuit board 20 and a round contact portion 221 connected to the IC chip 2 of the card 1. The chip connection terminal 200 is provided with a fixed to the middle portion of the side plate 120 of the main body 100 It comprises a pair of metal guide plate 400 for guiding the slide movement of the card (1) and elastically supporting the position where the card (1) is inserted.

The main body 100 is provided with both side extension portions 111 to the rear of the rectangular base plate 110, both sides of the plate 120 is provided so that the slide movement without the left and right shake when inserting the card (1) and both sides The rear end portions of the plate 120 and the extension portion 111 are formed in the form of a locking portion 112 is provided to be caught and fixed at the position where the card 1 is inserted.

The base plate 110 of the main body 100 has a plurality of chip terminal insertion grooves 130 are arranged in two rows at the front and rear ends, each chip terminal insertion groove 130 is formed in the IC chip (1) of the card ( 2) a plurality of chip connection terminals 200 in contact with each other, for example, six to twenty, are assembled, and a detection terminal insertion groove 140 is formed at one side extension 111 of the base plate 110. In the detection terminal insertion groove 140, a card detection switch connecting terminal 300 for detecting the insertion of the card 1 is assembled.

Guide plates 400 for guiding the insertion of the card 1 are fixed to both side portions of the main body 100, and the inner surface of the front end portions of the both side plates 120 are inclined to allow the card 1 to be inserted smoothly. )

The chip connection terminal 200 is bent in the middle of the fixing portion 210 and the movable part 220, the ground portion 230 is bent and the outer end portion of the fixed portion 210, the ground portion which is soldered to the printed circuit board 20 211 is formed to be stepped downward, and at one middle portion of the fixing part 210, the engaging piece 240 is cut into the cutout 241 inside and is bent downward, and a round contact to the movable part 220 is formed. The portion 221 is formed to be curved.

The finger portion 230 of the chip connection terminal 200 serves to elastically move the movable portion 220 when the contact portion 221 is contacted by inserting the card (1).

The movable portion 220 of the chip connecting terminal 200 is held at a constant height above the plane, which is the contact surface of the card 1 inserted into the main body 100 by the bent angle of the finger portion 230, and the card 1 Is inserted into the IC chip 2 and the contact portion 221 of the card 1 by moving downward through the side plate 120 and the guide plate 400 of the main body 100 by the force that the card 1 presses. ) Make stable contact.

The fixing part 210 of the chip connection terminal 200 is provided with an extension part 212 having an expanded width as compared to an inner end part connected to the intermediate finger part 230, and an inclined surface 213 inward of the expansion part 212. It is provided on both sides.

The chip terminal insertion groove 130 of the base plate 110 may include a protection part 131 into which the middle finger part 230 of the chip connection terminal 200 is inserted, and a fixing part provided in the chip connection terminal 200. A fixing part 132 to which the expansion part 212 of the 210 is inserted and fixed, and a locking hole 135 formed on the bottom of the fixing part 132 so that the locking piece 240 of the fixing part 210 is inserted and caught; The exposed part 133 is formed to expose the contact part 221 of the movable part 220. The inclined surface 134 is provided between the protection part 131 and the fixing part 132 of the chip terminal insertion groove 130. ) Is formed on both sides.

In the outer end of the extension portion 212 of the chip connection terminal 200, the tooth-like press-in portion 214 is formed on both sides to press-in the tip end of the fixing portion 132 of the chip terminal insertion groove 130 to chip connection The fixing part 210 of the terminal 200 is firmly fixed.

The ground portion 211 is bent stepwise in the bottom direction of the base plate 110 at the outer end of the fixing portion 210 of the chip connection terminal 200, the chip terminal insertion groove 130 of the base plate 110 When the chip connection terminal 200 is inserted into the stepped ground part 211, the insertion is completed by contacting the stepped ground portion 211 at the tip where the fixing part 132 starts, whereby the chip connection terminal 200 is the base plate of the main body 100. It will be seen that it is fully coupled to (110).

The connection terminal 300 for the card detection switch is composed of upper and lower terminals 310 and 320, and an upper terminal 310 is provided with a ground terminal 311 and a movable connection piece 312, and a lower terminal 320. ), A ground terminal 321 and a fixed connection piece 322 are formed.

A contact portion 313 is bent upward at the tip of the movable connecting piece 312 of the upper terminal 310.

The detection terminal insertion groove 140 of the base plate 110 is a fixing groove 141 into which the upper, lower terminals 310 and 320 of the card detection switch connecting terminal 300 are inserted into the rear extension 111. ), 142 is formed and a through hole 113 is formed in which the contact portion 313 of the movable connecting piece 312 protrudes upward.

The guide plate 400 is formed to be bent in the upper and lower side of the side portion 410, the guide portion 420, 421 is fitted into the fixing groove 150 formed on both sides of the main body 100 Easy to assemble

Protrusions 151 and grooves 152 are formed in both fixing grooves 150 of the main body 100, and insertion holes 411 and protrusion pieces in the upper guide part 420 and the side part 410 of the guide plate 400. A 412 is formed, and the protrusion 412 of the guide plate 400 is inserted into the recess 152 of the main body 100, and the protrusion 151 of the main body 100 is inserted into the insertion hole 411 of the guide plate 400. ) Is inserted into the form, the lower guide portion 421 of the guide plate 400 is formed with a locking hole 422, the bottom surface of the main body 100 is formed with a locking projection 153 is the lower guide portion The locking protrusion 422 of the main body 100 is inserted into the locking hole 422 of the body 421.

The guide plate 400 symmetrically fixed to both side plates 120 of the main body 100 supports the card 1 stably without moving up and down when the card 1 is inserted into the IC chip of the card 1. (2) and the round contact portion 221 of the chip connection terminal 200 serves to securely maintain the electrical connection by making a stable contact.

The guide plate 400 is formed of a metal material to prevent repeated insertion and withdrawal of the card 1 and damage caused by external force.

16 and 17 are plan views showing a comparison between a credit card, a sim card, and a memory card, respectively, and show a conventional credit card 1 ', a sim card 1, and a memory card 1 ". The SIM card 1 and the memory card 1 "are smaller in size than the credit card 1 ', and the number of terminals is about 6 to 8 SIM cards 1 and about 20 memory cards 1". The number of terminals of the card 1 "is large.

Here, the card connection device for a mobile phone according to the present invention can be carried out by changing the number of connection terminals to about 6 to 20, if necessary, for example, if the number of the connection terminal is provided with 20 to FIG. 16 and FIG. The sim card 1 and the memory card 1 "as shown in 17 can be connected and used as needed.

Hereinafter, the operation of the card connection device for a mobile phone according to the present invention as described above is as follows.

First, in assembling the card connection device, the chip connection terminal 200 is inserted into and fixed to the plurality of chip terminal insertion grooves 130 formed before and after the base plate 110 of the main body 100, and the base plate 110. Simple operation of inserting and fixing the connection terminal 300 for the card detection switch into the detection terminal insertion groove 140 formed in the extension part 111 of the) and inserting and fixing the guide plate 400 to both side plates 120. Assemble with

When assembling the chip connection terminal 200 in the chip terminal insertion groove 130 of the base plate 110 of the main body 100, the intermediate terminal 230 of the chip connection terminal 200 to the chip terminal insertion groove 130 The protection unit 131 of the chip terminal insertion groove 130 is inserted into the protection unit 131 of the chip terminal insertion groove 130 is inserted into the fixing portion 132 of the chip terminal insertion groove 130. ) And an inclined surface 134 is formed between the fixing part 132 and the inclined surface 213 is formed between the middle finger part 230 and the expansion part 212 of the chip connection terminal 200. 200 is naturally inserted, and the engaging piece 240 formed in the fixing part 210 is firmly fixed to the engaging hole 135 formed in the fixing part 132 of the chip terminal insertion groove 130.

As such, the chip connection terminal 200 is inserted into the chip terminal insertion groove 130 so that the stepped ground portion 211 of the chip connection terminal 200 starts the fixing portion 132 of the chip terminal insertion groove 130. When pushed into contact with the tip portion, the toothed press-fit portion 214 of the chip connection terminal 200 is firmly fixed while being press-fitted into both inner surfaces of the groove of the fixing portion 132.

When assembling the guide plate 400 to the fixing groove 150 of the side plate 120 of the main body 100, the protrusion piece 412 of the guide plate 400 is inserted into the groove 152 of the side plate 120 The protrusion 151 of the main body 100 is inserted into the insertion hole 411 of the guide plate 400 to be firmly fixed while being fitted.

After the plurality of chip connecting terminals 200, the card detecting switch connecting terminal 300, and the guide plate 400 are assembled in the main body 100, the ground portion 211 of the chip connecting terminal 200 and The ground terminals 311 and 321 of the card detecting switch connecting terminal 300 are fixed to the pattern portion of the printed circuit board 20 by soldering to complete the assembly of the card connecting device.

The card connection device assembled as described above is movable connection provided in the round contact part 221 of the movable part 220 provided in the chip connection terminal 200 and the connection terminal 300 for the card detection switch as shown in FIG. The contact portion 313 of the piece 312 protrudes above the base plate 110.

Subsequently, when the card 1 is slightly inserted into the distal end of the guide plate 400 at an oblique angle as shown in FIG. 14B, the end of the card 1 is round the contact portion 221 of the movable part 220 of the chip connection terminal 200. It is naturally raised).

Here, the main body 100 is provided with both side plates 120 and the guide plate 400 so that the card 1 is slidably inserted into the slide, and the front end portions of the both side plates 120 are formed with the inclined surface 114. The guide plate 400 slightly slides the card 1 downward, and then the guide plate 400 serves as a support by pressing the leading edge of the card 1 upward, that is, the leading edge with a corner cut at an angle of 45 degrees. On the other hand, the chip connection terminal 200 disposed at the distal end of the base plate 110 has the elasticity of the intermediate stopper 230 as the force of the round contact portion 221 of the movable portion 220 is pressed, so that the movable portion 220 is provided. The card 1 is bent downward to maintain parallelism as shown in FIG.

When the card 1 is pushed in the rear of the main body 100 in such a state, the round contact portion 221 of the movable part 220 also moves the chip contact terminal 200 disposed at the rear end of the base plate 110. The middle carbon part 230 receives elasticity by the force pushed by the rear end of 1), the movable part 220 is bent downward, and the card 1 slides smoothly, and the rear end of the card 1 Insertion is completed while being caught by the engaging portion 112 formed at the rear end of both side plates 120.

At this time, the connection terminal 300 for the card detection switch coupled to the rear one side extension 111 of the base plate 110 is also pressed by the rear end of the card 1 by the movable connecting piece 312 of the upper terminal 310. The insertion of the card 1 can be detected while being connected to the fixed connection piece 322 of the lower terminal 320, and thus the round contact between the IC chip 2 and the chip connection terminal 200 of the card 1 is inserted. The portions 221 are in stable contact with each other, and after the insertion of the card 1 is detected, it is possible to securely transfer information.

When the card 1 is to be withdrawn for replacement or the like, the above operation is performed in the reverse order to be replaced.

The card connection device for a mobile phone according to the present invention as described above is a card connection device composed only of the main body, and can easily mount the card to the main body, and the fixing of the card is stably maintained, as well as the conventional card connection apparatus. Since the size is very small, there is an advantage of using a small area of the printed circuit board.

In addition, by inserting the card into the slide guide groove formed by combining the main body and the guide plate, the IC chip of the card and the round contact portion of the chip connection terminal are securely connected, and the card is kept stable without moving up, down, left and right, and electrical connection. This is advantageously kept stable so that no information skipping problem occurs.

In addition, the guide plate is formed of a metal material has the advantage that can be used safely without being loose or damaged even when repeatedly inserting and withdrawing the card.                     

In addition, there is a big advantage that all cards such as SIM card, memory card and the like can be commonly used as one card connection device.

Claims (11)

delete delete delete delete delete Synthetic resin material body 100 is formed to have a base plate 110 and both side plates 120, a plurality of chip terminal insertion groove 130 in the base plate 110 of the main body 100 front, rear portion 2 A round contact portion 221 is formed in a row, the tangy portion 230 is bent in the middle of the fixed portion 210 and the movable portion 220 and connected to the IC chip 2 of the card 1 in the movable portion 220. The chip connection terminal 200 having a) is inserted into and fixed to each chip terminal insertion groove 130 of the base plate 110, and each chip connection terminal 200 is connected to the printed circuit board 20. In the card connection device for a mobile phone, the upper and lower guide parts 420 and 421 are bent at the upper and lower sides of the side part 410 to guide the slide movement of the card 1 and the card (1). A pair of metal guide plates 400 which are elastically supported at the inserted position thereof are inserted into the fixing grooves 150 formed on both side plates 120 of the main body 100. Mobile phones connect card wherein configured to secure the dance. Synthetic resin material body 100 is formed to have a base plate 110 and both side plates 120, a plurality of chip terminal insertion groove 130 in the base plate 110 of the main body 100 front, rear portion 2 A round contact portion 221 is formed in a row, the tangy portion 230 is bent in the middle of the fixed portion 210 and the movable portion 220 and connected to the IC chip 2 of the card 1 in the movable portion 220. The chip connection terminal 200 having a) is inserted into and fixed to each chip terminal insertion groove 130 of the base plate 110, and each chip connection terminal 200 is connected to the printed circuit board 20. In the card connection device for a mobile phone, the upper and lower terminals 310 and 320 to detect the insertion of the card 1 into the rear one side extension 111 of the base plate 110 of the main body 100. The card detecting switch connecting terminal 300 is coupled to the upper terminal 310 of the card detecting switch connecting terminal 300, the ground terminal 311 and the movable connecting piece (31). 2) is formed, a ground terminal 321 and a fixed connection piece 322 is formed on the lower terminal 320, the contact portion 313 is at the front end of the movable connection piece 312 of the upper terminal 310 In addition to the bending is formed, the detection terminal insertion groove 140 of the base plate 110 is the upper and lower terminals of the card detecting switch connecting terminal 300 to the rear extension 111 of the base plate 110 ( Fixed grooves 141 and 142 into which 310 and 320 are inserted are formed, and a through hole 113 is formed in which the contact portion 313 of the movable connection piece 312 protrudes upward. Card connection device for mobile phone. The method of claim 6, wherein both sides of the fixing groove 150 of the main body 100 is formed with a protrusion 151 and the groove 152, the guide plate 400 is formed with an insertion hole 411 and the projection piece 412 The protrusion 412 of the guide plate 400 is inserted into the recess 152 of the main body 100, and the protrusion 151 of the main body 100 is inserted into the insertion hole 411 of the guide plate 400. Card connection device for a mobile phone, characterized in that is configured to fit in the form inserted. The card for a mobile phone according to claim 6 or 7, wherein the inner surface of the distal end of both side plates 120 of the main body 100 is formed with an inclined surface 114 so that the card 1 can be inserted smoothly. Connection device. According to claim 6 or 7, wherein the chip terminal insertion groove 130 of the base plate 110 is a protection unit 131 is inserted into the intermediate stopper 230 of the chip connection terminal 200, The fixing part 132 to which the fixing part 210 of the chip connection terminal 200 is inserted and fixed, and the locking piece 240 of the fixing part 210 are inserted and formed on the bottom surface of the fixing part 132. Card connection device for a mobile phone, characterized in that formed to be provided with a locking hole (135). According to claim 6 or 7, wherein the fixing portion 210 of the chip connection terminal 200 is the intermediate between the outer end and the inner end that is connected to the intermediate stop 230, the ground portion 211 is formed stepped An extension part 212 having a width wider than an inner and outer end parts is provided in the part, and an inclined surface 213 is provided at both sides inward of the extension part 212, and an extension part 212 of the chip connection terminal 200 is provided. In the outer end of the sawtooth type press-fitting portion 214 is formed on both sides, and between the protection portion 131 and the fixing portion 132 of the chip terminal insertion groove 130 is inclined surface 134 is formed on both sides Card connection device for a mobile phone, characterized in that configured.

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