CN101106226B - Connector for IC card - Google Patents

Abstract

The invention relates to a connector for IC card. When the two IC card of different width are inserted into a connector with the same card slot, the connector is only turned on by inserting IC card of thin thickness. In a housing in which the 1st IC card with thick thickness and 2nd IC card with thin thickness are inserted into the card slot or drawn out and in a connector for IC card of card contact which contacts with or separates from the 1st and 2nd IC card, a switch is mounted for contact the movable side switch terminal and fixed side switch terminal using inserted IC card. A contactingpart, which makes the contact movable plates of the movable side switch terminal move to turn on the switch on inserting the 2nd IC card, is formed on the fixed side switch terminal. A pushing part, which can contact with the side edge of thick thickness to a position of not contacting with the contact movable plates of the movable side switch terminal on inserting the 1st IC card, is also formedon the fixed side switch terminal.

Description

Connector for IC card

technical field

The present invention relates to a connector for IC cards that inserts two types of IC cards with different sizes, especially widths, and connects with internal contacts, that is, a connector for IC cards that is switched on only when a small IC card is inserted. device.

Background technique

Various schemes have been proposed for an IC card connector that can insert multiple IC cards into one IC card connector, and the scheme shown in FIG. Bulletin).

The scheme shown in Fig. 8 represents, can be with the first IC card 11 that width is wide and length is short, the second IC card 12 that width is narrow and length is long, the IC card (not shown) that is different with the thickness of first IC card 11 Figure) IC card connectors corresponding to four types of IC cards (not shown) wider than the width of the first IC card 11.

FIG. 8 shows an example in which two kinds of cards, the first IC card 11 having a wide width and a short length and the second IC card 12 having a narrow width and a long length, are inserted.

When the first IC card 11, which is wide in width and short in length, is inserted into the card insertion port 13, during the insertion process, the protrusion 2 at the front end of the insertion completion identification terminal 1 is pushed, and the insertion completion identification terminal 1 is in the position of Contact state, at this time, no reading or writing operation is performed. At the stage where the left front end of the first IC card 11 hits the stopper 6, although the convex portion of the front end of the other insertion completion identification terminal 4 is pushed to be in a contact state, at the same time, by making the insertion completion identification terminal 1 The protrusion 2 is inserted into the slot 3 of the first IC card to be out of contact, and the insertion is completed in this state. When the insertion is completed, contacts not shown come into contact with the electrodes 16 of the first IC card 11 to perform reading or writing.

When the second IC card 12 with narrow width and long length is inserted into the card insertion port 13, even if the electrodes of the second IC card 12 may contact with the contacts of the first IC card 11 during the insertion process, Since the insertion completion recognition terminal 1 and the insertion completion recognition terminal 4 are not turned on, reading or writing cannot be performed. When the front end of the second IC card 12 is inserted deep into the card insertion port 13, the contacts 15 come into contact with electrodes (not shown) of the second IC card 12 to perform reading or writing.

In the case of a connector having a switch structure in which the switch is turned on or off by pulling out or inserting the card, the structure is such that these switches are turned on when a second narrow IC card is inserted. These switches are also turned on when the wide first IC card is inserted.

The problem to be solved by the present invention is that, for a connector such as inserting a plurality of cards with different widths into the same card slot, the switch should be turned on only when the second narrow IC card is inserted. Either it is difficult to construct, or its structure is extremely complicated.

Contents of the invention

The object of the present invention is to provide a connector in which a plurality of cards with different widths are inserted into the same card insertion slot, and the switch is turned on only when a second narrow IC card is inserted with a simple structure. Connector.

The IC card connector of the present invention is provided with a first IC card that can be formed with a wide side portion having a step on at least one side and a narrow side portion, and a first IC card whose side width is wider than that of the first IC card. The second IC card formed by the wide side portion of the card and the narrow side portion is inserted into or pulled out of the same card insertion opening, and is arranged in the case, together with the above-mentioned first IC card and the second IC card. 2. The card contact for contacting or separating the electrodes of the IC card is characterized in that the movable side switch terminal and the fixed side switch terminal are contacted by the above-mentioned first IC card and the above-mentioned second IC card inserted into the above-mentioned housing. switch; on the above-mentioned fixed-side switch terminal, there is formed a contact portion that makes the first contact movable piece of the above-mentioned movable-side switch terminal move to turn on the switch when inserting the above-mentioned second IC card, and is used for inserting The pressing portion of the first IC card is in contact with a wide side portion of the first IC card and avoided to a position where it cannot contact the first contact movable piece of the movable side switch terminal.

In addition, it is characterized in that the movable side switch terminal includes: a fixed piece portion fixed on the housing, a first contact movable piece integrally extended from the fixed piece portion and in contact with the contact portion on the fixed side, and a first contact movable piece that is in contact with the first contact portion. The movable piece is integrally cut and formed to push the second contact movable piece of the wide side portion of the first IC card; the fixed side switch terminal includes: a fixed piece fixed on the housing, from which the fixed piece is integrated A movable piece extended and bent into an L-shape, a contact portion formed at an end portion of the movable piece and in contact with a first contact movable piece of the switch terminal on the movable side, and a position offset from the contact portion is formed. the pushing part.

According to the first solution of the present invention, the first IC card and the second IC card with different shapes and sizes can be inserted into or pulled out from the same card insertion port, and the casing is arranged in the casing, and the above-mentioned In the IC card connector of the card contacts of the electrodes of the first IC card and the second IC card contacting or separating, due to being provided with the above-mentioned first IC card and the above-mentioned second IC card inserted into the above-mentioned housing, the A switch in which the switch terminal on the movable side is movable and contacts the switch terminal on the fixed side; the switch terminal on the movable side includes: a fixed part fixed on the housing, and a first contact extending integrally from the fixed part and in contact with the contact part on the fixed side The movable piece and the second contact movable piece that pushes the wide side portion of the first IC card that is cut integrally with the first contact movable piece; the fixed side switch terminal includes: fixed on the shell a fixed piece, a movable piece integrally extended from the fixed piece and bent into an L-shape, a contact portion formed at an end of the movable piece and in contact with the first contact movable piece of the switch terminal on the movable side, and A pressing portion formed offset from the contact portion; when the first IC card having a wide width is inserted, the movable piece of the fixed-side switch terminal is moved beyond the movable stroke of the movable-side switch terminal so that The above-mentioned switch is not turned on; when the above-mentioned second IC card with a narrow width is inserted, the above-mentioned movable side switch terminal is moved so that the above-mentioned switch is turned on; When an IC card is used, the switch is not turned on and off, but only when a smaller second IC card is inserted, the switch is turned on and off.

According to the second aspect of the present invention, the first IC card is formed with a wide side portion and a narrow side portion having a step on at least any one side, and the width of the side is wider than that of the above-mentioned first IC card. The difference in the structure of the second IC card formed by the wide side portion and the narrow side portion can more reliably make the switch open and close only when the smaller second IC card is inserted.

According to the third aspect of the present invention, since the above-mentioned movable side switch terminal has a first IC card with a narrow side portion and a side portion of the second IC card pushed out to the side of the contact portion of the fixed side switch terminal. A contact movable piece, and the second contact movable piece that pushes the wide side portion of the width of the first IC card to keep the position of the first IC card; The position can reliably prevent the switch from being turned on by the first IC card.

According to a fourth aspect of the present invention, the movable side switch terminal includes a fixed piece portion fixed to the housing, and the first contact movable piece integrally extends from the fixed piece portion and contacts the contact portion of the fixed side switch terminal, The second contact movable piece and the first contact movable piece are integrally cut to form and push the wide side portion of the first IC card; the fixed-side switch terminal includes a fixed piece portion fixed to the housing. and a movable piece extending integrally from the fixed piece and bent into an L-shape, the contact portion is formed at an end of the movable piece and is in contact with the first contact movable piece of the switch terminal on the movable side, and the pushing The position of the contact portion is offset from the above-mentioned contact portion; therefore, the components of the switch can be formed by simple press work, and the assembly is also simple.

According to the fifth aspect of the present invention, the interval between the above-mentioned contact portion and the above-mentioned pressing portion is set to be sufficiently shorter than the interval between the side portion wider than the width of the first IC card and the side portion of the second IC card; thus , when inserting the above-mentioned first IC card with a larger shape, the fixed side switch terminal can be avoided by a larger distance, and the connection of the movable side switch terminal can be prevented.

Description of drawings

FIG. 1 is a plan view showing an embodiment of the IC card connector of the present invention with a cover 35 removed.

FIG. 2 is an exploded perspective view of the housing 25 and the cover 35 in FIG. 1 , wherein the cover 35 is shown in a state of turning upside down.

Fig. 3 (a) is the exploded perspective view of locking slide block 30, locking pin 31 and compression spring 32,

Fig. 3 (b) is the disassembled perspective view of diaphragm 28 and diaphragm spring 29,

FIG. 3( c ) is an exploded perspective view of the switch terminal 33 and the switch terminal 34 .

Fig. 4 (a-1) is the plan view of the second IC card 12 of narrow width,

Fig. 4 (a-2) is the front view of the second IC card 12 of narrow width,

Fig. 4 (b-1) is the plan view of the first IC card 11 of wide width,

Fig. 4 (b-2) is the left view of the first IC card 11 of wide width,

Fig. 4 (b-3) is the front view of the first IC card 11 of wide width,

FIG. 4(b-4) is a cross-sectional view along line b-4-b-4 of the first IC card 11 having a wide width.

Fig. 5 (a-1) is the sectional view when the second IC card 12 is inserted,

Fig. 5 (a-2) is the sectional view of the second IC card 12 when insertion is completed,

Fig. 5 (b-1) is the cross-sectional view of the first IC card 11 when inserted,

Fig. 5(b-2) is a sectional view of the first IC card 11 when the insertion is completed.

FIG. 6(a) is an explanatory diagram showing a state where the switch terminal 33 and the switch terminal 34 are connected when the second IC card 12 having a narrow width is inserted,

FIG. 6( b ) is an explanatory diagram showing a state in which the switch terminal 33 and the switch terminal 34 are not connected when the wide first IC card 11 is inserted.

FIG. 7( a ) is an explanatory view showing the inserted state of the second IC card 12 when viewed from the bottom side when it is normal and when it is turned upside down.

FIG. 7( b ) is an explanatory diagram showing a state when the first IC card 11 is inserted normally.

Fig. 8 is a plan view showing a conventional IC card connector with a cover removed.

Detailed ways

The structure of the IC connector of the present invention is that it has a first IC card and a second IC card housing that can be inserted into or pulled out from the same card insertion port as two types of different sizes, and is arranged in the housing, A card contact that is in contact with or separated from the electrodes of the first IC card and the second IC card; where the IC card inserted into the housing is used to move the movable side switch terminal and contact the fixed side switch terminal switch, when the above-mentioned first IC card with a larger shape is inserted, the above-mentioned fixed-side switch terminal retreats above the movable stroke of the above-mentioned movable-side switch terminal, so that the above-mentioned switch is not connected; when the above-mentioned first IC card with a smaller shape When the second IC card is inserted, the above-mentioned movable side switch terminal is moved, so that the above-mentioned switch is turned on.

The first IC card is formed by at least any one side having a wide side portion having a step and a narrow side portion, more specifically, a wide side portion having steps on both sides and Formed with narrow sides.

The second IC card is formed by a side portion whose width is narrower than that of the wide side portion of the above-mentioned first IC card, and more specifically, is formed by the width of both side portions and the width of the above-mentioned first IC card. The narrow side portions are formed with approximately equal width to the side portions.

The switch is composed of a movable side switch terminal and a fixed side switch terminal which are moved by the first IC card inserted into the housing; The contact movable piece integrally extended and in contact with or separated from the contact portion of the fixed-side switch terminal, and the contact movable piece integrally cut away from the contact movable piece for pushing the wide side portion of the first IC card described above are movable. The fixed side switch terminal is composed of a fixed piece fixed on the housing, a movable piece integrally extended from the fixed piece and bent into an L shape, and a movable piece formed at the end of the movable piece and connected to the movable piece. The side switch terminal is constituted by a contact portion where the movable contact piece of the side switch contacts or separates, and a pressing portion that is shifted from the contact portion.

Preferably, the distance between the contact portion of the fixed-side switch terminal that contacts or separates from the contact movable piece of the movable-side switch terminal and the pressing portion that is shifted from the contact portion is set to be smaller than that of the first IC card. The distance between the wide side portion and the side portion of the second IC card is sufficiently short.

Example 1

Referring to FIG. 4 , two types of IC cards whose external shapes are different in size and which are inserted into or pulled out from the IC card connector of the present invention will be described.

The small second IC card 12 shown in Fig. 4 (a-1), Fig. 4 (a-2) and Fig. 4 (b-1), Fig. 4 (b-2), Fig. 4 (b-3), The length of the big first IC card 11 shown in Fig. 4 (b-4) is identical; Its width is that the narrow side edge portion 18 of the first IC card 11 and the outside edge portion of the second IC card 12 are substantially identical ; Its thickness is that the first IC card 11 is thicker and the second IC card 12 is thinner; In addition, the electrodes 16 of the first IC card 11 and the electrodes 20 of the second IC card 12 are different in quantity and shape.

More specifically, the above-mentioned first IC card 11 is made into a rectangle, and a wide side portion 17 and a narrow side portion 18 having a step difference are formed on both sides, and outside the above-mentioned wide side portion 17 The electrodes 16 are formed on one side, two notches 24 are formed on one side, and one notch 24 is formed on the other side. Both sides of the front end portion 19 are sloped and slightly pointed.

Above-mentioned second IC card 12 is made rectangular, forms electrode 20 on one face, forms narrow width portion 21 from the front end portion 22 side of one side to the middle, and is formed with a breach 24, on the single side of front end portion 22 Made with a slope and slightly pointed.

Thus, the first IC card 11 is shaped wider than the second IC card 12 in width.

Each specific size is as follows.

The first IC card 11 has a length of 15.0mm, a width of 12.5mm at the wide side 17, 11.0mm at the narrow side 18, and a thickness of 1.2mm. The above-mentioned second IC card 12 has a length of 15.0 mm, a width of 11.0 mm, and a thickness of 0.7 mm. These numerical values are merely examples and are not limited thereto.

The IC card connector of the present invention is with the shell 25 shown in Figure 2 and the cover 35 that is covered on this shell 25 as main structural parts, in addition, is made of following parts: Figure 3 (a) shown The slider 30 for locking, the locking pin 31, the compression spring 32, the partition plate 28 shown in FIG. The switch 91, and the first card contact 26 and the second card contact 27 shown in FIG. 5 .

The above-mentioned casing 25 is made into a thin rectangular box shape, specifically approximately 16.8 mm in width x 17.0 mm in length x 2.3 mm in height. Between the bottom plate portion 38, the top plate portion 42, the left side plate portion 44, and the right side plate portion 47 of the housing 25, the front side is opened, and a card for selectively inserting the above-mentioned first IC card 11 and the second IC card 12 is formed. Insert port 36 . Inside the card insertion opening 36, a stepped portion 37 for preventing wrong insertion is provided to engage with the narrow side portion 18 of the first IC card 11 described above. Contact insertion grooves 39 are formed at predetermined intervals from the front side of the bottom plate portion 38 to the middle position, and the first card contacting with the electrode 16 of the first IC card 11 is inserted and fixed in each contact insertion groove. Contact 26. Notch portions 43 for protruding guide plate portions 57 to be described later are formed on both side portions of the top plate portion 42 . In addition, three partition guide grooves 51 for sliding the sliding protrusions 77 of the partition 28 are formed in the rear portion of the bottom plate 38 . On the back plate portion 40 of the housing 25, contact insertion grooves 41 penetrating from the rear side are formed at predetermined intervals, and are inserted into and fixedly contacted with the electrodes 20 of the second IC card 12 in each contact insertion groove 41. The second card uses contacts 27.

In Fig. 2, the fixed piece portion 81 of the switch terminal 33 of the switch 91 shown in Fig. The fixing piece portion 84 of the terminal 34 is inserted and fixed into the terminal insertion groove 46 from above. In addition, a plurality of engaging protrusions 53 for engaging the above-mentioned cover 35 are respectively formed on the side surface of the left side plate portion 44 and the side surface of the right side plate portion 47 which will be described later.

In the slider fitting groove 48 of the right side plate portion 47 of the housing 25, the locking slider 30 shown in FIG. By fitting between the protrusions 74 and 74 , pressure is always applied to the locking slider 30 . The above-mentioned locking slider 30 is composed of a heart-shaped cam 69 and an engaging tab portion 70. The heart-shaped cam 69 is provided with a known heart-shaped sliding groove 65, a pin locking recess 66 and a starting point 67. The locking pin 31 One end of the locking pin 31 is inserted into the locking pin insertion hole 49 of the right side plate 47 , and the other end of the locking pin 31 is inserted into the sliding groove 65 slidably.

An engagement recess 68 that engages with the slider engagement protrusion 50 of the top plate portion 42 is formed on the engagement protrusion 70 , and an engagement portion for the second IC card 12 is formed adjacent to the engagement recess 68 at its upper portion. 71. The engaging part 72 of the first IC card 11 is formed on the lower part, and the contact supporting part 73 is formed on the side.

Above-mentioned spacer 28 is shown in Fig. 3 (b), is formed with the inclined surface 75 upwards from the card insertion side on the top of elongated square rod, is formed with vertical contact portion 76 on its one end, and on its A sliding protrusion 77 that slides in the partition guide groove 51 is provided on the lower surface, and a spring engaging groove 78 is formed on the opposite side of the card insertion surface. Both ends 79 of the spacer spring 29 are movably engaged in the spring engaging groove 78 , and the central portion 80 of the spacer spring 29 is fitted into the spring engaging hole of the back plate 40 . 52 in.

In the switch 91 shown in FIG. 3( c), one end portion of the above-mentioned movable side switch terminal 33 is formed with a fixing piece portion 81 for fitting and fixing into the terminal insertion groove 45 and a terminal piece 88 for connecting to the outside. On one side of the other end, there is formed a contact that is divided into upper and lower parts from the middle part, respectively contacting or separating from the narrow side part 18 and the wide side part 17 of the first IC card 11. The movable piece 83 and the contact movable piece 82 .

In addition, the other fixed-side switch terminal 34 has a fixed piece portion 84 for fitting and fixed into the terminal insertion groove 46 at one end thereof, a terminal piece 89 for connecting to the outside, and a pressure piece fixed to the case 25. The entry piece 90 is formed with a movable piece 85 bent into an L-shape from the middle portion at the other end, and the front end of the bent movable piece 85 is integrally formed with the above-mentioned contact movable piece 83 and the contact movable piece. 82 opposite contact portion 86 and pressing portion 87 . The distance between the contact portion 86 and the pressing portion 87 is sufficiently shorter than the distance between the wide side portion 17 of the first IC card 11 and the side portion of the second IC card 12, for example, the wide side About half of the distance between the side portion 17 and the narrow side portion 18 .

The above-mentioned cover 35 is a part to be covered after the parts are housed in the casing 25. The elastic thin metal plate is bent downward into a U-shape, and the two sides of the card insertion side will pass through the slots. 64 so that it has elasticity and the guide plate portion 57 formed by flanging is bent into a へ shape. The guide plate portion 57 is provided with a V-shaped position correcting portion 58 that is integrally burred. An escape hole 61 is provided on one left side plate portion 55 for protruding the movable piece 85 of the switch terminal 34, and a wide side portion 17 of the first IC card 11 is provided slightly inside the escape hole 61. The guide part 59 that contacts with its upper part is formed with the narrow width part 21 that guides the second IC card 12 at the slightly inboard flange of this guide part 59, and becomes the guide part 60 of its limiter when the second C card 12 is reversed and inserted. . A pressing spring 62 for preventing the above-mentioned lock pin 31 from coming out upward is formed on the slightly inner flange of the other right side plate portion 56 . A relief hole 63 through which the second card contacts 27 protrude is formed at a substantially central position of the top plate portion 54 .

Next, the operation of the IC card connector configured as above will be described.

(1-1), the narrow second IC card 12 is inserted in a normal (electrodes 20 upward) state

When the second IC card 12 was inserted into the card insertion port 36 of the IC card connector in the state of normal (electrodes 20 facing up, narrow portion 21 on the left side of the insertion direction), the second IC card 12 was inserted as shown in Fig. 5 (a -1) and shown in FIG. 7(a), while being guided by the guide plate portion 57, passing between the position correcting portions 58 on both sides, the front end portion 22 of the narrow width portion 21 is guided and inserted by the guide portion 60, and the front end portion 22 is located between the first card contact 26 and the second card contact 27 . At this time, since the second IC card 12 is thin, an unnecessarily large gap is generated inside the IC card connector.

As shown in FIG. 1 , when the right end of the front end portion 22 is further inserted in a state engaged with the engaging portion 71 of the engaging protruding piece 70 , the heart-shaped cam 69 integrated with the engaging protruding piece 70 resists the compression spring. 32 and move, the front end of locking pin 31 just slides in sliding groove 65 around the left side of figure from starting point 67. The second IC card 12 has a narrow width portion 21 due to its thin thickness, so the left end of the front end portion 22 will not contact the contact portion 76 of the partition plate 28, and as shown in FIG. Rub onto sloped face 75 and move over it. The partition plate 28 does not move from its original position because it is pushed by the spring 29 for the partition plate. When the front end portion 22 of the second IC card 12 moves above the spacer 28 , the electrode 20 is brought into contact with the second card contact point 27 with an appropriate contact pressure. When the second IC card 12 arrived at its insertable position, since one end of the locking pin 31 reached the end of the slide groove 65, if the pushing force was no longer applied, the locking slider 30 would be closed by the compression spring 32. Returning due to the function of the locking pin 31, one end of the locking pin 31 is locked in the locking concave portion 66 to maintain the inserted state of the second IC card 12 .

In this inserted state, the rear end portion of the second IC card 12 is pressed downward with an appropriate pressure by the guide plate portion 57 in the vicinity of the card insertion hole 36 .

At this time, as shown in Figure 6 (a), the contact movable piece 83 of the switch terminal 33 of the switch 91 is extruded by the outer side where the narrow width portion 21 of the second IC card 12 has passed, so that it is in contact with the switch terminal. 34 contact portion 86 contacts and outputs a signal that the second narrow IC card 12 is inserted.

When pulling out the second IC card 12, if the second IC card 12 is pushed again, one end of the locking pin 31 will be disengaged from the pin locking recess 66, and if the pushing force is no longer applied, the other side will slide The groove 65 returns to the original starting point 67, as shown in FIG. 5(a-1), the connection between the electrode 20 and the second card contact 27 is disconnected. Simultaneously, the connection between the contact movable piece 83 and the contact portion 86 is also disengaged.

(1-2), the second IC card 12 is inserted in an abnormal state (the electrodes 20 are reversed)

When the second IC card 12 was inserted into the card insertion port 36 of the IC card connector in an abnormal state (electrode 20 facing downward, narrow portion 21 on the right side of the insertion direction), although the second IC card 12 was started to be The guide plate part 57 passes between the position correcting parts 58 on both sides while being guided, but as shown in the abnormal state of FIG. At this time, the front end portion 22 on the opposite side of the narrow portion 21 contacts the guide portion 60 so that the second IC card 12 cannot be further inserted.

(2-1), the wide first IC card 11 is inserted in a normal (electrodes 16 facing down) state

When the first IC card 11 was inserted into the card insertion port 36 of the IC card connector in a normal (electrodes 16 facing down, narrow side edge 18 facing up) state, the first IC card 11 would be as shown in Fig. 5 (b- 1) and shown in Fig. 7 (b), in cooperation with the step portion 37 for preventing mis-insertion, the narrow side edge portion 18 is guided by the guide plate portion 57 and passes between the position correcting portions 58 on both sides, while the wide width side portion 18 The side portion 17 passes under the position correcting portion 58 , and as shown in FIG. 1 , the right end of the front end portion 19 of the wide side portion 17 engages with the engaging portion 72 of the engaging protrusion portion 70 . At this time, the first IC card 11 moves inside with an appropriate gap due to its thick thickness.

When the first IC card 11 is further inserted into the engaged state, the heart-shaped cam 69 integrated with the engaging tab portion 70 moves against the compression spring 32, and the front end of the locking pin 31 goes around the left side of the figure from the starting point 67. Slide in the sliding groove 65. The first IC card 11 does not have the narrow width portion 21 because the thickness is thicker and is different from the second IC card 12. Therefore, when the left end of the front end portion 19 touches the contact portion 76 of the partition plate 28, as shown in Figure 5 (b- As shown in 2), the spacer 28 is pushed in against the spacer spring 29 while pressing the spacer 28 with the front end portion 19 .

In this inserted state, near the card insertion hole 36 , the rear end portion of the first IC card 11 is pressed downward with an appropriate pressure by the guide plate portion 57 .

At this time, as shown in FIG. 6(b), when the wide side portion 17 of the wide first IC card 11 widens the contact movable piece 82 of the switch terminal 33 of the switch 91, the first IC card When the card 11 is correctly positioned and further inserted, the wide side portion 17 engages with the pressing portion 87 of the switch terminal 34 to move 85 outward. In this state, although the narrow side portion 18 of the first IC card 11 comes into contact with the contact movable piece 83 of the switch terminal 33 and moves the contact movable piece 83 slightly outward, the contact movable piece 83 Before being pushed out, the contact portion 86 has moved to a further outer position, the contact movable piece 83 will not touch the contact portion 86 of the switch terminal 34, and even if the wide first IC card 11 is inserted, no signal will be output.

By moving the first IC card 11 together with the spacer 28, the electrode 16 comes into contact with the first card contact 26 with an appropriate contact pressure. When the first IC card 11 arrived at the position where the insertion was completed, since one end of the locking pin 31 reached the end of the sliding groove 65, therefore, when the pushing force was no longer applied, the locking slider 30 would be compressed by the compression spring 32. Returning by action, one end portion of the lock pin 31 is engaged with the pin engaging recess 66, and the inserted state of the first IC card 11 is maintained.

When the first IC card 11 is pulled out, if the first IC card 11 is pushed in again, one end of the lock pin 31 will be disengaged from the pin engagement recess 66, and if the pushing force is no longer applied, due to the compression spring 32 When it returns to the original starting point 67 through the other sliding side 65, as shown in FIG. 5(b-1), the connection between the electrode 16 and the first card contact 29 is disconnected.

Simultaneously, the spacer 28 returns to its original position by the action of the spacer spring 29, and the switch terminal 33 and the switch terminal 34 also return to their original positions.

(2-2), the first IC card 1 is inserted in an abnormal state (the electrodes 16 are reversed)

When the first IC card 11 was to be inserted into the card insertion port 36 of the IC card connector in an abnormal state (with the electrodes 16 facing up), due to the wide side portion 17 and the narrow side of the first IC card 11, The edge portion 18 is reversed and cannot be inserted into the card insertion port 36 having the step portion 37 for preventing wrong insertion.

Claims (6)

1. A connector for an IC card, having a housing that can insert or pull out a first IC card and a second IC card with different shapes and sizes into or from the same card insertion port, and be arranged in the housing, and The above-mentioned first IC card and the electrode contact of the second IC card are contacted or separated for the card, and it is characterized in that: There is a switch for making the movable side switch terminal move and contact the fixed side switch terminal by using the above-mentioned first IC card and the above-mentioned second IC card inserted into the above-mentioned casing; the movable-side switch terminal includes: The piece part, the first contact movable piece extending integrally from the fixed piece and contacting the contact portion on the fixed side, and the first contact movable piece integrally cut away from the first contact movable piece are formed to push the above-mentioned first IC card. The second contact movable piece on the side portion of the fixed side switch terminal includes: a fixed piece fixed on the housing, a movable piece extending integrally from the fixed piece and bent into an L shape, formed on the movable piece The contact portion which contacts the first contact movable piece of the switch terminal on the movable side, and the pressing portion formed with a position offset from the contact portion; when inserting the above-mentioned first IC card with a wide width, the above-mentioned The movable piece of the fixed-side switch terminal is moved beyond the movable stroke of the above-mentioned movable-side switch terminal so that the above-mentioned switch is not turned on; when the above-mentioned second IC card with a narrow width is inserted, the above-mentioned movable-side switch terminal is moved so that The above switch is turned on. 2. A connector for an IC card, comprising a first IC card that can be formed with a wide side portion having a stepped width and a narrow side portion with at least any one side and a side width ratio of the above-mentioned first IC card. The second IC card formed by the wide side portion of the IC card and the narrow side portion is inserted into or pulled out of the same card insertion opening, and is arranged in the case and is connected with the above-mentioned first IC card and the second IC card. Two IC card electrode contacts or separate card contacts, characterized in that: There is provided a switch for making the movable side switch terminal contact the fixed side switch terminal by using the above-mentioned first IC card and the above-mentioned second IC card inserted into the above-mentioned housing; on the above-mentioned fixed-side switch terminal, there is formed a When the IC card is used, the first contact movable piece of the switch terminal on the movable side is moved and the switch is turned on, and the side is used for inserting the first IC card with the wide width of the first IC card. The pressing portion avoids contact with the first contact movable piece of the movable side switch terminal to a position where it cannot contact with the movable side switch terminal. 3. IC card connector according to claim 2, characterized in that: The movable side switch terminal includes a fixed piece portion fixed on the housing, the first contact movable piece integrally extends from the fixed piece portion and contacts the contact portion of the fixed side switch terminal, and the movable side switch terminal further includes The second contact movable piece is formed integrally with the first contact movable piece and pushes the wide side portion of the first IC card; the fixed-side switch terminal includes a fixed piece fixed to the housing. part and a movable piece integrally extended from the fixed piece part and bent into an L-shape, the contact part is formed at the end of the movable piece and contacts the first contact movable piece of the switch terminal on the movable side, the above-mentioned The pressing portion is formed with a position shifted from the above-mentioned contact portion. 4. A connector for an IC card, having a first IC card that can be formed with a wide side portion having a step on both sides and a narrow side portion, and the first IC card with the width of both sides and the above-mentioned first IC card. The second IC card formed by the substantially equal side portion of the narrow side portion of the card is inserted into or pulled out from the same card insertion opening, and is arranged in the case, together with the above-mentioned first IC card and the second IC card. Two IC card electrode contacts or separate card contacts, characterized in that: There is provided a switch for making the movable side switch terminal contact the fixed side switch terminal by using the above-mentioned first IC card and the above-mentioned second IC card inserted into the above-mentioned housing; The narrow side portion and the side portion of the second IC card push out to the first contact movable piece on the side of the contact portion of the fixed side switch terminal, and the wide side portion pushing the first IC card The second contact movable piece to maintain the position of the first IC card; the above-mentioned fixed side switch terminal has a function to make the first contact movable piece of the above-mentioned movable side switch terminal move when inserting the above-mentioned second IC card to make the switch connect and a contact portion for contacting with the wide side portion of the first IC card when the first IC card is inserted so as to avoid contact with the first contact movable piece of the movable side switch terminal. The push part of the position. 5. The IC card connector according to claim 4, characterized in that: The movable side switch terminal includes a fixed piece portion fixed to the housing, the first contact movable piece integrally extends from the fixed piece portion and contacts the contact portion of the fixed side switch terminal, and the second contact movable piece is in contact with the contact portion of the fixed side switch terminal. The above-mentioned first contact movable piece is integrally cut to form and push the wide side portion of the above-mentioned first IC card; the above-mentioned fixed-side switch terminal includes a fixed piece portion fixed on the housing and integrally extends from the fixed piece portion. and bent into an L-shaped movable piece, the contact portion is formed at the end of the movable piece and is in contact with the first contact movable piece of the switch terminal on the movable side, and the pushing portion is offset from the contact portion relocated to form. 6. The IC card connector according to claim 5, characterized in that: The distance between the contact portion and the pressing portion is set to be sufficiently shorter than the distance between the side portion wider than the width of the first IC card and the side portion of the second IC card.

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