JP2008270109A - Connector for ic card - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connector for an IC card allowing two types of IC cards 100 and 200 having the same card length, and having arrangements of contact pad groups similar to each other to be inserted into a common card insertion slot 19 on the same surface and by contact in the same direction, and easy-to-use without damaging the back surface of the card. <P>SOLUTION: In this connector for an IC card having the common card insertion slot 19 formed by fitting a cover 5 to a housing 1, a slider 7 is arranged in the card insertion slot 19; the slider 7 is provided with a card reception body 72 engaging with a tip part of the IC card 100 at a first engagement part 76, and engaging with a tip part of the IC card 200 at a second engagement part 77 located on a card insertion opening side relative to the first engagement part 76; fixation parts 21-21 of a first terminal group 2-2 are fixed on a card insertion back side of the housing 1; and fixation parts 31-31 of a second terminal group 3-3 are fixed on a card insertion opening side of the housing 1. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an IC card connector used for an IC card used in a small electronic device such as a mobile phone and a personal computer, and a common card insertion slot that allows two types of IC cards to be inserted is provided by a housing and a cover. An IC that elastically contacts the contact pad group of the two types of IC cards formed and selectively inserted into the card insertion slot with the corresponding terminal group of the two types of terminal groups fixed to the housing. The present invention relates to a card connector.

As this type of IC card connector, for example, Conventional Example 1 (see Patent Document 1) and Conventional Example 2 (see Patent Document 2) are known.
In the conventional example, a cover is fitted on a housing to form a common card insertion slot, and four types of terminal groups are provided on the housing, and the four types of terminal groups have card contact slots at their contact portions. When one type of IC card selected from four types of IC cards having different lengths is inserted in the card insertion slot, the contact portion of the contact pad group is Of the four types of terminal groups, elastic contact is made with the contact portions of the corresponding terminal groups.
In Conventional Example 2, a cover is fitted into the housing to form a common card insertion slot, and the fixing portion of the terminal group for two types of IC cards is fixed to the back side of the card insertion of the housing, and the length of the card is contacted. When one of two types of IC cards having the same pad group and different thicknesses was selected and inserted into the card insertion slot, the contact portion of the contact pad group was in elastic contact with the contact portion of the terminal group.
Utility Model Registration No. 3115813 JP 2003-317861 A

However, in Conventional Example 1, a plurality of types of IC cards having different card lengths and contact pad group arrangements can be elastically contacted with contact portions of corresponding terminal groups on the same surface and in the same direction. However, there is a problem in that it cannot be used for two types of IC cards having the same card length and close contact pad group arrangement.
Further, in Conventional Example 2, two types of IC cards having the same card length and contact pad group can be brought into elastic contact with the contact portions of corresponding terminal groups on the same surface and in the same direction. There is a problem that the card cannot be used for two types of IC cards having the same card length and close contact pad group arrangement.
For example, as shown in FIG. 13 and FIG. 14, the first and second IC cards 100 and 200 have substantially the same length L1 and L2 and the contact pads 101 to 101 and 201 to 201 are close to each other. There was a problem that it could not be used.
As shown in FIG. 13, the first IC card 100 is formed to have a width W1 (eg, 11 mm) and a thickness T1 (eg, 0.7 mm), and the second IC card 200 is shown in FIG. In addition, there are two lower stages having a width W21 (for example, 12.5 mm) and a thickness T21 (for example, 0.6 mm) and an upper stage having a width of W22 (for example, 11 mm) and a thickness of T22 (for example, 0.6 mm). It is formed in an integrated shape by overlapping the steps.

  Further, as an IC card connector that can use two types of IC cards (for example, IC cards 100 and 200) having substantially the same card length and close arrangement of contact pad groups, (a) two types of IC cards. (B) a method of inserting two types of IC cards in reverse, using a common slot for inserting two types of IC cards, and (c) 2 There is a method of reversing the insertion direction of two types of IC cards by sharing a slot for inserting a type of IC card, but the method (A) increases the connector height or occupies the board area of the connector. In the method (b), it is necessary to arrange terminals corresponding to two types of IC cards above and below the card insertion slot. In addition, there is a problem that the back surface of the IC card is easily scratched at the contact portion of the terminal group, and the method (c) uses one of the two types of IC cards as the original insertion direction. On the other hand, since it is necessary to insert the card into the card insertion slot, there are problems that it is not only easy to use but also easy to use.

  The present invention has been made in view of the above-described problems, and the connector height can be reduced by sharing a slot for inserting two types of IC cards having substantially the same card length and close arrangement of contact pad groups. It is an object of the present invention to provide an IC card connector that can reduce the area occupied by the substrate and that does not damage the back surface of the IC card and is easy to use.

  According to the first aspect of the present invention, a card insertion slot is formed in the housing, and the card insertion slot can be inserted into the first and second IC cards having substantially the same length and close arrangement of the contact pad groups. Among the first and second terminal groups fixed to the housing, contact pad groups of the first and second IC cards that are inserted into the card insertion slot are used as a common card insertion slot. An IC card connector that is elastically brought into contact with the contact portion of the corresponding terminal group, and a slider that is slidable along the insertion direction of the first and second IC cards is disposed in the card insertion slot. The slider is engaged with the front end portion of the first IC card to be inserted by the first engaging portion, and the inserted second IC card is the card by the first engaging portion. The second member located on the insertion port side A card receiving body that engages at a portion, the fixing portion of the first terminal group is fixed to the card insertion back side of the housing, and the fixing portion of the second terminal group is fixed to the card insertion port side of the housing It is characterized by being fixed to.

  According to a second aspect of the present invention, in the first aspect of the present invention, when the first IC card is inserted into the card insertion slot, the tip end portion on the contact portion side of the first terminal group is provided on the card receiver. A terminal push-out portion is formed to push out of the first IC card insertion area in the card insertion slot.

  The invention according to claim 3 is the invention according to claim 1 or 2, wherein the contact portion of the first terminal group is loosely fitted to the card receiver when the insertion into the card insertion slot of the second IC card is completed. A relief hole is formed.

  The invention according to claim 4 is the invention according to claim 1 or 2, wherein the contact portion of the first terminal group is loosely fitted to the card receiver when the insertion of the second IC card into the card insertion slot is completed. A notch is formed.

  According to a fifth aspect of the present invention, in the first, second, third, or fourth aspect of the invention, the first and second IC cards share a overlapped portion of width and thickness, and different portions are in the width direction and thickness. It is formed extending in the vertical direction, and when inserted into the card insertion slot, the movement in the width direction of the overlapped portion is restricted by the both side plates of the housing, and the movement in the thickness direction is compared with the top plate of the housing and the first and first It is controlled by the contact part of 2 terminal groups.

  The invention according to claim 6 is the invention according to claim 1, 2, 3, 4 or 5, wherein the slider is slid in conjunction with the push-in and push-out insertion / extraction operations of the first and second IC cards. And a lock mechanism for locking the slider when the slider is pushed in and releasing the lock when the slider is pushed out.

  According to a seventh aspect of the present invention, in the first, second, third, fourth, fifth or sixth aspect, the slider includes a sliding engagement body slidably engaged with the housing on one side of the card insertion slot. The card receiving body is a projecting body that projects from the sliding engagement body in a direction crossing the card insertion slot.

  The invention according to claim 8 is the invention according to claim 7, wherein the card receiver has a first IC card when the tip of the first IC card is engaged with the card receiver. An inclined portion that forms a gap is formed between the tip portion and the tip portion of the card receiver.

  According to a ninth aspect of the present invention, in the first, second, third, fourth, fifth or sixth aspect, the slider includes a sliding engagement body slidably engaged with the housing on both sides of the card insertion slot. The card receiver is a connecting body that connects the sliding engagement bodies on both sides to cross the card insertion slot.

According to the first aspect of the present invention, a card insertion slot shared by the first and second IC cards is formed in the housing, and corresponding contact groups of the first and second IC cards are fixed to the housing. In the IC card connector to be elastically contacted with the contact portion, a slider is provided in the card insertion slot, and the slider includes a card receiving body having first and second engaging portions, and different positions along the sliding direction. The first and second IC cards are engaged with each other, the fixing portion of the first terminal group is fixed to the card insertion back side of the housing, and the fixing portion of the second terminal group is fixed to the card insertion port side of the housing. Therefore, the following effects can be achieved.
(1) The first and second IC cards can be inserted into a common card insertion slot with the same surface and the same direction of contact. For this reason, the contact portion of the terminal group does not damage the back surface of the IC card, and it is not necessary to insert one of the first and second IC cards upside down into the card insertion slot. The connector height can be lowered, and the board area occupied by the connector can be reduced.
(2) Since the fixing portions of the first and second terminal groups are fixed to the card insertion depth side and the card insertion slot side of the housing, the contact portions of the first and second terminal groups are installed closer to each other. And the difference in insertion depth of the first and second IC cards into the card insertion slot can be reduced.

  According to a second aspect of the present invention, in the first aspect of the present invention, when the terminal pushing portion is formed on the card receiver and the first IC card is inserted into the card insertion slot, the first terminal group contact portion side Since the front end of the first IC card is pushed out of the insertion area of the first IC card in the card insertion slot, buckling of the first terminal group can be prevented.

  According to a third aspect of the present invention, in the first or second aspect of the present invention, the contact portion of the first terminal group is formed upon completion of insertion into the card insertion slot of the second IC card by forming a relief hole in the card receiver. The card receiving body can weaken the pressing force received from the first terminal group and reduce the displacement of the contact portion of the first terminal group to prevent “sagging”. can do.

  According to a fourth aspect of the present invention, in the first or second aspect of the present invention, when the notch is formed in the card receiver and the insertion of the second IC card into the card insertion slot is completed, the contact portion of the first terminal group The card receiving body can weaken the pressing force received from the first terminal group and reduce the displacement of the contact portion of the first terminal group to prevent “sagging”. can do.

  The invention according to claim 5 is the invention according to claim 1, 2, 3 or 4, wherein the first and second IC cards share the overlapping portion of the width and the thickness, and the different portions are the width direction and the thickness. When the first and second IC cards are inserted into the card insertion slots, the movement in the width direction of the overlapped portion is restricted by the side plates of the housing, and the movement in the thickness direction is restricted by the top of the housing. Since it is regulated by the plate and the contact portion of the first and second terminal groups, the overlapped portion of the first and second IC cards is used for width direction guidance, and the first and second IC cards are The difference in the thickness direction can be absorbed by the displacement amount of the contact portion of the terminal group, and the first and second IC cards can be accurately guided to a predetermined position in the card insertion slot, and the structure therefor Can be easy.

  According to a sixth aspect of the invention, in the first, second, third, fourth, or fifth aspect of the invention, the slider is slid in conjunction with the push-in and push-out insertion / extraction operations of the first and second IC cards. It has a locking mechanism that can be moved and locked when the slider is pushed in and unlocked when the slider is pushed out, so that the IC card can be inserted and removed easily and stably. The lock-in mechanism for push-in and push-out can be shared by the first and second IC cards to reduce the overall shape. .

  According to a seventh aspect of the invention, in the first, second, third, fourth, fifth or sixth aspect of the invention, the slider includes a sliding engagement body, and the card receiver crosses the card insertion slot from the sliding engagement body. Since the projecting body projects in the direction of the slider, the configuration of the slider can be simplified.

  The invention according to claim 8 is the first IC card according to the invention according to claim 7, wherein an inclined portion is formed in the card receiver, and the leading end of the first IC card is engaged with the card receiver. Since a gap is formed between the front end of the card receiver and the front end of the card receiver, the pressing force applied to the card receiver by the first IC card is reduced to the base of the strong card receiver (sliding engagement body and And the card receiver can be reduced in thickness and depth (length in the card insertion direction) to reduce the size and thickness.

  The invention according to claim 9 is the invention according to claim 1, 2, 3, 4, 5 or 6, further comprising a sliding engagement body in which the slider is slidably engaged with the housing on both sides of the card insertion slot. Since the card receiving body connects the sliding engagement bodies on both sides to connect the card insertion slot, the strength of the card receiving body can be improved.

1 to 7 show one embodiment of an IC card connector according to the present invention. In these drawings, 1 is a housing (for example, an insulating housing), 2-2 are a first terminal group, and 3-3 are The second terminal group, 4 is a detection terminal, 5 is a cover (for example, a shield cover), 7 is a slider, 9 is a lock mechanism, and 19 is a card insertion slot.
Reference numeral 91 denotes a horizontally long inverted U-shaped lock pin, 92 denotes a coil spring, and the lock pin 91 and the coil spring 92 are components of the lock mechanism 9.
Reference numeral 100 represents the first IC card shown in FIG. 13, and 200 represents the second IC card shown in FIG.
The card insertion slot 19 is formed by fitting the cover 5 on the housing 1, and the lower side is a card insertion slot in FIGS. 1 (a) and 2 (b).

As shown in FIGS. 13A to 13C, the first IC card 100 has a length L1, a width W1, and a thickness T1, and the second IC card 200 has the structure shown in FIG. As shown in (a) to (c), the length L2 is the width L21, the width W21, the thickness T21 is the lower part, and the length L2, the width W22, the thickness is the upper part T22. The first and second IC cards 100 and 200 have the same length (L1 = L2), and the contact pad groups 101 to 101 and 201 to 201 are close to each other. The second IC card 200 has a part of the width and thickness that overlaps the first IC card 100 (W1 = W22, T21 <T1 <T2 = T21 + T22), and is different from the first IC card 100. Is formed in a shape extending in both the width direction and the thickness direction.
13 and 14, for example, L1, W1, and T1 are formed to 15 mm, 11 mm, and 0.7 mm, and L2, W21, W22, T21, and T22 are 15 mm, 12.5 mm, 11 mm, 0.6 mm, and 0.6 mm. The card insertion slot of the card insertion slot 19 shares the overlapping portion of the widths and thicknesses of the first and second IC cards 100 and 200, and extends different portions in both the width direction and the thickness direction. Is formed.

The housing 1 is formed of an insulating synthetic resin or the like, and as shown in FIGS. 4 and 5, a thick first body 11 formed in a substantially inverted L shape in a plan view and a substantially L in a plan view. It is formed in a substantially frame shape in which a thin second main body 12 formed in a letter shape is connected.
The first main body 11 includes a wide side wall parallel to the card insertion direction and a narrow side wall perpendicular to the card insertion direction. The wide side wall has an upper surface opened and a guide recess 13 long in the card insertion direction. And an engagement recess 16 for opening the upper surface and engaging one end of the lock pin 91 is formed on the side wall of the guide recess 13 on the card insertion slot side. A spring engaging protrusion 17 for engaging the coil spring 92 is provided on the side wall of the housing portion 15 on the back side of the card insertion.
Locking protrusions 18 to 18 for locking the cover 5 project from the outer wall surfaces of the wide side wall and the narrow side wall of the first main body 11.
Locking protrusions 18 to 18 for locking the cover 5 project from the outer wall surface of the narrow side wall parallel to the card insertion direction of the second main body 12.

The first and second terminal groups 2 to 2 and 3 to 3 and the detection terminal 4 are formed by punching, bending, or the like of a thin conductive metal plate, and are incorporated into the housing 1 by insert molding when the housing 1 is molded. Yes.
The first terminal groups 2 and 2 have their fixing portions 21 to 21 fixed to the narrow side wall of the first main body 11, their contact portions 22 to 22 face the card insertion slot 19, and their connection portions 23 to 23. 23 protrudes outward.
In the second terminal groups 3 to 3, the fixing portions 31 to 31 are fixed to the side wall perpendicular to the card insertion direction of the second main body 12, the contact portions 32 to 32 face the card insertion slot 19, and the connection portion 33-33 protrudes outward.
The detection terminal 4 has a fixing portion 41 fixed to the wide side wall of the second main body 12, and the contact portion 42 side faces an area where only the second IC card 200 in the card insertion slot 19 passes, The connecting portion 43 protrudes outward.
The first and second terminal groups 2-2, 3-3 absorb the fitting clearance due to the difference in thickness between the first and second IC cards 100, 200 depending on the amount of deflection. For example, the first terminal 2 is wider than the second terminal 3 with respect to the terminal width, and the first terminal 2 is longer than the second terminal 3 as shown in FIG. By making the spring constant of the first terminal 2 smaller than that of the second terminal 3, the clearance of fitting due to the difference in thickness (T2-T1) between the first and second IC cards 100 and 200 is absorbed. .

  The cover 5 is formed by punching, bending, or the like of a thin conductive metal plate. As shown in FIGS. 4 and 6, the cover 5 has a substantially rectangular plate-like top plate 51 and a substantially vertical side from the left side of the top plate 51. The upper left side plate 52 and the lower left side plate 53 are formed by bending downward and then bending outward substantially vertically and then downward downward substantially vertically. It is formed by a right side plate 55 formed by bending inward and a back side plate 56 formed by bending downward from the back side portion of the top plate 51 substantially vertically.

On the top plate 51, guide spring pieces 57, 57 for guiding the sliding of the slider 7 while urging the slider 7 downward are formed by punching, pushing or the like.
The top plate 51 is formed with a guide piece 58 protruding downward into the card insertion slot 19 by cutting and raising. The guide piece 58 is formed on the right side surface of the first IC card 100 inserted into the card insertion slot 19. The second IC card 200 is in contact with the upper right side of the second IC card 200 to restrict the rightward movement.
The top plate 51 is formed with a tongue-like spring piece 59 that protrudes downward into the card insertion slot 19 by cutting and raising. The spring piece 59 urges the horizontal portion of the lock pin 91 downward to lock it. The pin 91 is prevented from coming off.
The lower left side plate 53, the right side plate 55 and the rear side plate 56 are formed with locking holes 61 to 61 to be locked to the locking protrusions 18 to 18 of the housing 1.

  The slider 7 is formed of insulating synthetic resin or the like, is formed in a substantially horizontally long inverted L shape as shown in FIGS. 4 and 7, and is slidably engaged in the guide recess 13 of the housing 1. The engaging member 71 and a card receiving member 72 connected to the sliding engaging member 71 are formed.

A guide groove 74 located around the heart cam 73 is formed on the upper surface of the sliding engagement body 71. The guide groove 74 has a cross section as shown in FIG. The side end is guided around the heart cam 73 so as to be able to circulate only in the counterclockwise direction from the point A to the point A through the points B, C and D.
The sliding engagement body 71 is formed with a protruding portion that protrudes to the right side on the card insertion slot side, and one end of the coil spring 92 is engaged with an inner wall surface of the protruding portion facing the card insertion back side. A spring engaging protrusion 75 is formed.

The card receiver 72 is formed so as to extend substantially perpendicularly from the end of the card insertion back side of the sliding engagement body 71 to the left side so as to cross the card insertion slot 19, and on the inner wall surface on the card insertion slot side. The first engagement portion 76 that engages with the right shoulder portion at the tip of the first IC card 100 to be inserted, and the first engagement portion 76 that engages with the right shoulder portion at the tip of the second IC card 200 to be inserted. Two engaging portions 77 are formed.
In order to form a gap G that gradually increases toward the left side between the inner wall surface of the card receiving body 72 on the card insertion slot side and the front end surface of the first IC card 100 to be inserted, An inclined portion 78 that is slightly inclined is formed.
On the card insertion back side of the card receiver 72, when the slider 7 slides toward the card insertion back side when the first IC card 100 is inserted, the contact portions 22-22 side of the first terminal groups 2-2 are located. A terminal push-out portion 81 is formed by pushing down the front end of the card and pushing it out of the card insertion area.
Engagement recesses 79 and 79 are formed on the upper surface of the card receiver 72 so as to be slidably engaged with the guide springs 57 and 57 of the cover 5.

  A guide groove 74 of the sliding engagement body 71, a lock pin 91 whose one end is slidably engaged with the guide groove 74, and an other end is engaged with the engagement recess of the housing 1, and a sliding engagement body The lock mechanism 9 is configured by a spring spring projection 75 of 71 and a coil spring 92 mounted in a compressed state between the spring engagement projection 17 of the housing 1.

Next, the assembly of the IC card connector will be described with reference to FIG.
The housing 1 is formed by synthetic resin molding, and when the housing 1 is molded, the terminal groups 2, 2, 3, 3, and 4 are incorporated into the housing 1 by insert molding, and the terminal groups 2, 2, 3, 3, and 4 are fixed. The portion is fixed to the card insertion back side and the card insertion port side of the housing 1.
Next, the sliding engagement body 71 of the slider 7 is engaged with the guide recess 13 and the spring accommodating portion 15 of the housing 1, and the compressed state is established between the spring engagement protrusion 75 of the slider 7 and the spring engagement protrusion 17 of the housing 1. As shown in FIG. 8, the coil spring 92 is disposed, one end of the lock pin 91 is engaged with the engaging recess 16 of the housing 1 and the other end is engaged with the guide groove 74 of the slider 7. An assembly is formed.
Next, the cover 5 is fitted from the upper part of the assembly, and the locking projections 18 to 18 of the housing 1 are locked in the locking holes 61 to 61 of the lower left side plate 53, the right side plate 55 and the back side plate 56. Assembling is completed, and a card insertion slot 19 is formed between the cover 5 and the housing 1.

Next, the operation of the embodiment will be described with reference to FIG.
(1) Initial state (card ejection state)
The initial state before the IC cards 100 and 200 are inserted into the card insertion slot 19 and the time when the card is unlocked by the push-out operation are in a state as shown in FIG.
That is, the slider 7 is urged toward the card insertion slot by the coil spring 92 disposed in a compressed state between the spring engaging protrusion 75 of the slider 7 and the spring engaging protrusion 17 of the housing 1, and slides. Since the outer wall surface on the card insertion port side of the engaging body 71 abuts on the inner wall surface of the guide recess 13 and the sliding of the slider 7 to the card insertion port side is restricted, one side end of the lock pin 91 is the slider 7. 9 is engaged with the point A of the guide groove 74 in the state of FIG.
9A, when the first IC card 100 is inserted into the card insertion slot 19 and the leading end thereof is engaged with the first engaging portion 76 of the slider 7, the IC card 100 protrudes. The length is L11 (for example, 6.6 mm). When the second IC card 200 is inserted into the card insertion slot 19 and the leading end thereof is engaged with the second engagement portion 77 of the slider 7, the IC card 200 The protruding length is L21 (for example, 7.9 mm).
As shown in FIG. 3, when the first IC card 100 is inserted into the card insertion slot 19, the first IC card 100 is moved in the width direction by the upper left side plate 52 and the guide piece 58 of the cover 5. The movement in the thickness direction is restricted by the top plate 51 of the cover 5 and the contact portions 32 to 32 of the second terminal groups 3 to 3, and the second IC card 200 is connected to the upper left side plate 52 and the cover 5. Movement in the width direction is restricted by the lower left side plate 53, the guide piece 58, and the inner wall surface of the housing 1, and movement in the thickness direction is performed by the top plate 51 of the cover 5 and the contact portions 32-32 of the second terminal groups 3-3. Is regulated. Therefore, the first and second IC cards 100 and 200 can be inserted into the card insertion slot 19 stably with high positional accuracy.

(2) Card Pushed State When the IC cards 100 and 200 are inserted all the way into the card insertion slot 19 in order to set the card locked state by the push-in operation, the card pushed state as shown in FIG. It becomes.
That is, when the IC cards 100 and 200 are inserted into the card insertion slot 19 against the urging force of the coil spring 92, the tip portions of the IC cards 100 and 200 are engaged with the engaging portions 76 and 77, and the slider is moved. 7 is pushed all the way into the card insertion slot 19, the wall surface on the card insertion back side of the slider 7 contacts the corresponding inner wall surface of the first main body 11 of the housing 1, and one side end of the lock pin 91 is in the guide groove 74. Then, it moves counterclockwise around the heart cam 73 and moves from point A to point B, resulting in the state shown in FIG. 9B.
At this time, in the slider 7, the sliding engagement body 71 engages with the guide recess 13 of the housing 1, and the engagement recesses 79, 79 of the card receiver 72 engage with the guide springs 57, 57 of the cover 5. Therefore, it slides smoothly in the card insertion direction. At the time of this sliding, the terminal pushing portion 81 of the slider 7 pushes down the tip end portion on the contact portion 22-22 side of the terminal group 2-2, so that the insertion area of the IC card 100 in the card insertion slot 19 (card insertion) Since the IC card 100, 200 is inserted, the contact portions 22-22 of the terminal groups 2-2 are not buckled.
The following detection operation is not performed when the narrow first IC card 100 is inserted, but when the wide second IC card 200 is inserted, the detection terminal 4 is pushed by the IC card 200 so that the contact portion 42 becomes a printed wiring board. Elastic contact is made with an upper land (not shown), and insertion of the second IC card 200 is detected by an electric circuit or the like on the substrate.
In the state of FIG. 9B, the protruding length of the first IC card 100 is L12 (for example, 1.6 mm), and the protruding length of the second IC card 200 is L22 (for example, 2.9 mm).

(3) Card locked state In the card pushed state of (2), when the pressure on the IC cards 100 and 200 is released, the slider 7 is pushed back toward the card insertion slot by the biasing force of the coil spring 92, and the lock pin 91 One side end moves from point B to point C in the guide groove 74, and the urging force of the coil spring 92 on the slider 7 and the force of the lock pin 91 in the opposite direction against the slider 7 are balanced, and FIG. The card is locked as shown in c).
At this time, the protruding length of the first IC card 100 is L13 (for example, 2.6 mm), and the protruding length of the second IC card 200 is L23 (for example, 3.9 mm), and the difference between the two (L23−L13) (for example, 1) .3 mm) is negligible.

(4) Card lock release When the IC cards 100 and 200 are pushed into the card insertion slot 19 in the card lock state of (3), the card lock is released by a push-out operation, as shown in FIG. The card is ejected (initial state).
That is, when the IC cards 100 and 200 are pushed into the card insertion slot 19 against the biasing force of the coil spring 92 in the card lock state of FIG. 9 is pushed into the card insertion slot 19 and one side end of the lock pin 91 moves counterclockwise around the heart cam 73 in the guide groove 74 and returns from the C point to the A point through the D point. It returns to the card ejection state (initial state) shown in (a).

In the above embodiment, a gap is formed between the front end of the first IC card to be inserted and the inner wall surface of the card receiving body of the slider, and the pressing force received from the first IC card is compared with the sliding engagement body. In order to receive on the connection side (base side), an inclined portion is formed on the card receiving body so that the slider can be narrowed to reduce the size and thickness of the connector. The present invention is not limited to this, and the present invention can also be used in the case where the pressing force received from the first IC card is received by the entire inner wall surface of the card receiver without forming the inclined portion on the card receiver.
In the embodiment, in order to simplify the structure of the slider, the slider includes a sliding engagement body that is slidably engaged with the housing on one side of the card insertion slot, and the card receiving body is a sliding engagement body. However, the present invention is not limited to this, and the slider is slidably engaged with the housing on both sides of the card insertion slot. The present invention can also be applied to a case in which a combination is provided and the card receiving body is a connection body that connects the sliding engagement bodies on both sides and crosses the card insertion slot.
Further, in the above embodiment, in order to simplify the structure of the card receiver, the case where the clearance hole or the notch for loosely fitting the contact portion of the terminal group is not formed in the card receiver has been described. The present invention is not limited to this, and it is also possible to use a case where a relief hole or a notch for loosely fitting the contact portion of the terminal group is formed in the card receiver in order to prevent “sagging” of the terminal group.
For example, the embodiment shown in FIG. 10, FIG. 11 or FIG. 12 can be used.

In the embodiment shown in FIG. 10, the contact portions 22-22 of the first terminal groups 2-2 are loosely fitted to the card receiving body 72a of the slider 7a when the insertion of the second IC card 200 into the card insertion slot 19 is completed. Since the escape holes 83 to 83 are formed, the “sagging” of the first terminal groups 2 to 2 can be prevented.
In the embodiment shown in FIG. 11, a notch in which the contact portion of the first terminal group 2-2 is loosely fitted into the card receiver 72 b of the slider 7 b when the insertion of the second IC card 200 into the card insertion slot 19 is completed. Since 85 to 85 are formed, “sagging” of the first terminal groups 2 and 2 can be prevented.
In the embodiment shown in FIG. 12, the slider 7c has sliding engagement bodies 71c and 71c slidably engaged with the housing on both sides of the card insertion slot, and the card receiving body 72c has sliding engagement bodies 71c on both sides. Since the connecting body 71c is connected to cross the card insertion slot, the card receiving body 72c can be narrowed and the spring constant of the coil spring needs to be increased.

  In the embodiment, in order to easily and stably perform the insertion and removal operations of the first and second IC cards 100 and 200, the lock mechanism that locks at the time of push-in and releases the lock at the time of push-out. However, the present invention is not limited to this, and the present invention can also be used when the lock mechanism is omitted.

  In the above embodiment, the case where the cover is fitted to the housing and the card insertion slot is formed has been described. However, the present invention is not limited to this, and the case where the cover is omitted and the card insertion slot is formed in the housing. Can also be used.

1 shows an embodiment of an IC card connector according to the present invention, in which (a) is a plan view, (b) is a front view, and (c) is a right side view of (a). 1A is a cross-sectional view taken along line AA in FIG. 1A, FIG. 1B is an enlarged cross-sectional view taken along line BB in FIG. 1A, and FIG. FIG. 1 is an enlarged cross-sectional view taken along line CC of 1 (a). FIG. 2 is an enlarged sectional view taken along the line DD in FIG. FIG. 2 is a schematic exploded perspective view of FIG. 1 with some illustrations simplified and omitted. The housing 1 in FIGS. 1-4 is shown, (a) is a top view, (b) is a front view, (c) is a right view of (a). FIGS. 5A and 5B show the cover 5 in FIGS. 1 to 4, wherein FIG. 4A is a plan view, FIG. 4B is a front view, and FIG. 4C is a right side view of FIG. 1 to 4 show a slider 7, wherein (a) is a plan view, (b) is a front view, (c) is a right side view of (a), and (d) is a guide groove of (a). 74 is an explanatory diagram of 74. FIG. It is a top view which shows the state just before loosely fitting the cover 5 to the housing 1 when assembling the connector for IC cards of FIGS. The push-in and push-out operations by the lock mechanism will be described. (A) is an explanatory diagram of an initial state (card ejection state), (b) is an explanatory diagram of a card push-in state, and (c) is a card lock. It is explanatory drawing of a state. It is a top view which shows 2nd Example (7a) of the slider 7 in FIGS. 1-4. It is a top view which shows 3rd Example (7b) of the slider 7 in FIGS. 1-4. It is a top view which shows 4th Example (7c) of the slider 7 in FIGS. 1-4. The first IC card 100 is shown, (a) is a plan view, (b) is a front view, and (c) is a bottom view. The 2nd IC card is shown, (a) is a top view, (b) is a front view, (c) is a bottom view.

Explanation of symbols

1 ... Housing 13 ... Guide recess
DESCRIPTION OF SYMBOLS 15 ... Spring accommodating part 16 ... Engagement hole 17 ... Spring engagement protrusion
19 ... Card insertion slot
2, 3 ... Terminal
21, 31... Fixing portion for terminals 2 and 3
22, 32 ... contact portions of terminals 2, 3 5 ... cover
58 ... Guide piece 59 ... Spring piece 7, 7a, 7b, 7c ... Slider 71, 71c ... Sliding engagement body 72, 72a, 72b, 72c ... Card receiving body
74 ... Guide groove 76 ... First engaging portion 77 ... Second engaging portion 78 ... Inclined portion
81 ... Terminal push-out part 83 ... Escape hole
85 ... Notch
9 ... Lock mechanism 91 ... Lock pin
92 ... Coil spring 100 ... First IC card 101 ... Contact pad of IC card 100
200: Second IC card
201 ... Contact pad of IC card 200
L1 ... The length of the IC card 100
L13: Projection length of the IC card 100 in the locked state
L2: Length of the IC card 200 L23: Projection length of the IC card 200 in the locked state

Claims (9)

  A card insertion slot (19) is formed in the housing (1), and the first and second IC cards (100), (200) having a substantially identical length and close arrangement of contact pad groups are formed in the card insertion slot (19). ) To be inserted into the card insertion slot (19), and the contact pad group of the first and second IC cards (100) and (200) to be inserted into the card insertion slot (19) is a housing ( 1) an IC card connector which is elastically brought into contact with a contact portion of a corresponding terminal group of the first and second terminal groups (2-2) and (3-3) fixed to 1), Sliders (7, 7a, 7b, 7c) that are slidable along the insertion direction of the first and second IC cards (100), (200) are disposed in (19). 7b, 7c) is the first IC to be inserted The tip of the card (100) is engaged with the first engaging portion (76), and the tip of the inserted second IC card (200) is connected with the first engaging portion (76). A card receiving body (72, 72a, 72b, 72c) that engages with a second engaging part (77) located on the card insertion slot side is provided, and a fixing part (2-2) of the first terminal group (2-2) 21 to 21) are fixed to the card insertion back side of the housing (1), and the fixing portions (31 to 31) of the second terminal group (3 to 3) are fixed to the card insertion port side of the housing (1). IC card connector characterized by the above.   When the first IC card (100) is inserted into the card insertion slot (19), the card receiver (72, 72a, 72b, 72c) has a contact portion side of the first terminal group (2-2). 2. The IC card connector according to claim 1, wherein a terminal push-out portion (81) is formed to push the tip end portion out of the insertion area of the IC card (100) in the card insertion slot (19).   The card receiver (72, 72a, 72b, 72c) has a contact portion (22) of the first terminal group (2-2) when the insertion of the second IC card (200) into the card insertion slot (19) is completed. The IC card connector according to claim 1 or 2, wherein escape holes (83 to 83) for loosely fitting (22) to (22) are formed.   The card receiver (72, 72a, 72b, 72c) has a contact portion (22) of the first terminal group (2-2) when the insertion of the second IC card (200) into the card insertion slot (19) is completed. The IC card connector according to claim 1 or 2, wherein notches (85 to 85) for loosely fitting (22) to (22) are formed.    The first and second IC cards (100) and (200) are formed by sharing overlapping portions of width and thickness and extending different portions in the width direction and the thickness direction, and the card insertion slot (19) At the time of insertion, the movement in the width direction of the overlapped portion is restricted by the both side plates of the housing (1), and the movement in the thickness direction is restricted to the top plate of the housing (1) and the first and second terminal groups (2 to 5. The IC card connector according to claim 1, wherein the IC card connector is restricted by the contact portions (22 to 22) and (32 to 32) of (3 to 3).    The sliders (7, 7a, 7b, 7c) are slid in synchronization with the push-in and push-out insertion / removal operations of the first and second IC cards (100), (200). 7. A lock mechanism that locks at the time of push-in of 7a, 7b, 7c) and releases the lock at the time of push-out is provided. IC card connector.   The slider (7, 7a, 7b) includes a sliding engagement body (71) slidably engaged with the housing (1) on one side of the card insertion slot (19), and the card receiving body (72, 72a, 7b). 7. The IC card according to claim 1, wherein 72b) is a projecting body projecting from the sliding engagement body (71) in a direction crossing the card insertion slot (19). Connector.   The card receiver (72, 72a, 72b) includes a front end portion of the IC card (100) and a card receiver when the front end portion of the IC card (100) is engaged with the card receiver (72, 72a, 72b). 8. The IC card connector according to claim 7, wherein an inclined portion (78) is formed between the leading ends of (72, 72a, 72b) to form a gap. The slider (7c) includes sliding engagement bodies (71c) (71c) slidably engaged with the housing (1) on both sides of the card insertion slot (19), and the card receiving body (72c) The IC card connector according to claim 1, 2, 3, 4, 5 or 6, characterized in that it is a connecting body connecting between the dynamic engaging bodies (71c) (71c) and traversing the card insertion slot (19). .

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