JP4436404B2 - Card connector - Google Patents

Description

  The present invention relates to a card connector in which a card in which an electronic circuit such as a memory chip is housed in a small and thin case is mounted, and two types of cards having different case shapes are surely contained in the housing. The present invention relates to a card connector that can be positioned.

  Digital cameras, digital video cameras, personal computers, and the like are used with a small and thin electronic function card called a memory card. In this electronic function card, an IC chip that functions as a memory chip, a memory controller, or the like is housed in a small and thin case (sometimes referred to as a housing) formed of a synthetic resin material. On the surface of the case, there are provided a plurality of external connection portions that are electrically connected to an internal electronic circuit.

  A card connector to which this type of electronic function card is mounted has a slit-shaped insertion opening at the front end of the housing, and the electronic function card is in a direction parallel to the surface of the card and is inserted into the housing from the insertion opening. Inserted into the body and worn. In the card connector, a positioning mechanism for positioning the electronic function card inserted up to a predetermined position is provided, and an external connection portion provided in the positioned card is provided in the card connector. Connected to terminal.

  Some card connectors can selectively insert different types of cards. With this type of card connector, cards of different dimensions are positioned in a position suitable for each card in the casing, and the external connection portion provided on each card is brought into contact with the connection terminal in the casing. is required.

  In the card connector described in Patent Document 1 below, an abutting portion is formed in front of the slider, and an arm member is rotatably supported by the slider on the insertion port side of the abutting portion. A stopper member that moves to the side in conjunction with the arm member is provided. When the first card having a long length in the front-rear direction is inserted, the stopper member is moved to the side by the front end portion of the first card, and the first card is inserted into the back without contacting the stopper member. It hits the contact part of the slider. When a second card shorter than the first card is inserted, the front end portion of the second card hits the stopper member.

  The slider is provided with a temporary fixing member that fits with the first card or the second card. When the front end portion of the first card is positioned and the first card and the slider are connected by the temporary fixing member, the slider is moved to the back side of the housing together with the first card, and the locking mechanism Locked. Similarly, when the front end portion of the second card contacts the stopper member and is positioned, and the second card and the slider are connected by the temporary fixing member, the slider moves to the back side of the housing together with the second card. And is locked by the locking mechanism.

The card connector described in Patent Document 2 below can be mounted with two types of cards having different width and thickness dimensions. In the case of the card connector, two kinds of guide portions having different opening dimensions in the height direction are provided to overlap each other, and there is a step between the guide portion of one card and the guide portion of the other card. The part is formed. A card having a small width dimension and a large thickness dimension is inserted into a guide section having a large opening dimension in the height direction in the housing, and the other card having a large width dimension and a small thickness dimension is formed on the stepped section. It is inserted into a guide portion having a small opening dimension in the height direction.
JP 2007-165229 A JP 2004-62715 A

  Each of the card connectors described in Patent Document 1 and Patent Document 2 has an advantage that two types of cards having different width dimensions can be positioned at appropriate positions in the housing.

  However, the card connectors described in Patent Document 1 and Patent Document 2 are guided by the side portions of two types of cards having different width dimensions and two types of cards having different width dimensions and thickness dimensions. It is the structure led to. Each card can be regulated in the width direction but not in the thickness direction. For this reason, the card inserted into the casing is likely to rattle in the thickness direction, and in order to prevent this rattling, a pressing mechanism that urges the card in the thickness direction with a strong force is required. Become. Since this pressing mechanism must be strong, the structure in the housing becomes complicated, and thinning of the housing tends to be hindered.

  Further, the card connectors described in Patent Literature 1 and Patent Literature 2 are difficult to apply to a card having a complicated shape in which a step portion is provided on both sides in the width direction and a thin portion is formed.

  The present invention solves the above-described conventional problems, and an object of the present invention is to provide a card connector that can reliably position cards having different shapes in the width direction and the thickness direction inside the housing.

The present invention provides a card connector having a housing in which a first card and an second card in which an electronic circuit is housed are selectively mounted.
The first card and the second card each have a front end portion directed in the insertion direction into the housing, a rear end portion facing away from the front end portion, and a pair of side portions extending along the insertion direction. And the width dimension, which is the distance dimension between the two side portions, is larger in the second card than in the first card, and at least one side of the first card and the second card. At least one side of each is formed with a thin portion extending rearward from the front end,
A first restricting recess and a second restricting recess located behind the first restricting recess are provided in the housing, and the second restricting recess is a thin wall of the second card. The width of the first restricting recess is set such that the thin portion of the first card enters and the thin portion of the second card does not enter ,
The first restricting convex portion that covers the thin portion of the first card that enters the first restricting concave portion, and the thin portion of the second card that enters the second restricting concave portion is the first restricting convex portion. The second restriction convex part covering from the same side is provided, and the protruding end face of the second restriction convex part is located on the side away from the center of the card from the protruding end face of the first restricting convex part. ,
A first abutting portion for determining a position in the insertion direction of the first card at a position where the thin portion of the first card enters the first restriction recess, and a thin portion of the second card. A second contact portion that determines a position in the insertion direction of the second card at a position in the second restriction recess is provided.

  The card connector of the present invention can reliably position the first card and the second card each having a thin portion on the side in the width direction and the thickness direction. Since the movement in the thickness direction of the first card and the second card positioned in the case is restricted, the external connection part provided in each card and the connection terminal provided in the case Also good contact with. Further, a mechanism for applying an urging force in the thickness direction to the card in the housing can be simplified by using, for example, the elastic force of the connection terminal. Moreover, the 1st card | curd and 2nd card | curd of the complicated shape by which the thin part was formed in the side part can be positioned.

  According to the present invention, when the first card is positioned at the first contact portion, a part of the thin portion of the first card enters the second restriction recess.

  If the second restriction recess has a structure in which not only the second card but also the thin portion of the first card can enter, the thin portion of the first card having a long dimension in the front-rear direction can be reliably restricted in the thickness direction. Become.

The present invention, the provided step portion of the projecting end face of said first projecting end surface of the restricting protrusion portion and the second limiting protrusion is a second contact portion, the thick of the second card The end portion of the portion can be positioned in contact with the second contact portion.

  As described above, when the second contact portion is formed at the stepped portion between the protruding end surface of the first restricting convex portion and the projecting end surface of the second restricting convex portion, the second contacting portion is used. It is not necessary to provide a new step portion or the like, and the structure can be simplified. Further, since the thick portion of the second card is in contact with the second contact portion, the second card can be reliably positioned forward without using the movable portion.

  Or in this invention, the said 2nd contact part which the edge part of the thin part of a said 2nd card | curd hits inside the said 2nd control recessed part may be provided.

  Further, the second contact portion formed at the step portion between the protruding end surface of the first restricting convex portion and the projecting end surface of the second restricting convex portion, and inside the second restricting concave portion You may enable it to position both the thick part and thin part of a 2nd card | curd with the said 2nd contact part provided.

  In the present invention, the movement of the first card in the width direction is restricted by the protruding end surface of the first restricting convex portion, and the width of the second card is restricted by the protruding end surface of the second restricting convex portion. Those in which the movement of the direction is restricted are preferable.

  When the width direction of the card is positioned using the protruding end surface of the first restricting convex portion and the projecting end surface of the second restricting convex portion, the side of the card is placed on the side of the first restricting concave portion or the second restricting concave portion. It is not necessary to provide a mechanism for positioning the part.

In the present invention, a slider that moves in the card insertion direction, a biasing member that biases the slider in the card ejection direction, and a lock mechanism that locks the slider moved in the insertion direction are provided in the housing. Provided,
The first restricting recess, the second restricting recess, the first contact portion, and the second contact portion are provided on the slider;
The slider includes a positioning convex portion for holding the first card in a state where the first card is positioned at the first contact portion, and the second card is the second contact portion. And a positioning convex portion for holding the second card in a state where the second card is positioned.

  However, in the present invention, the first restricting recess, the second restricting recess, the first abutting portion, the second abutting portion, and the like are fixedly provided inside the housing. The card may be positioned by hitting the first contact portion or the second contact portion.

  According to the present invention, in the housing, a first connection terminal that contacts an external connection portion provided on the first card, and a first connection terminal that contacts an external connection portion provided on the second card are provided. 2 connection terminals.

  Further, according to the present invention, the rear end portion of the first card mounted in the housing and the rear end portion of the second card mounted in the housing are in the same position. .

  In the present invention, the first card and the second card having complicated shapes each having a thin part on the side can be mounted and positioned at predetermined positions in the casing. In addition, both the first card and the second card can be positioned in the thickness direction. In addition, since the thin wall portion of each card enters the restriction recess, it is not necessary to increase the height of the restriction portion itself, and the housing can be easily made thin.

  FIG. 1 is a perspective view showing the appearance of the card connector, FIG. 2 is a perspective view showing the card connector with the lid removed, and FIG. 3 is a plan view showing the card connector with the lid removed. 4 and 5 are plan views showing the process of mounting the first card with the cover of the card connector removed. FIG. 6 is a plan view showing a state where the first card is inserted in the reverse direction, with the lid of the card connector removed. FIG. 7 and FIG. 8 are plan views showing the process of mounting the second card with the cover of the card connector removed. FIG. 9A is a perspective view showing the left side portion of the slider provided in the card connector, and FIG. 9B is a perspective view showing the left side portion of the slider obliquely from below.

  In FIG. 10 and subsequent figures, a card to be attached to the card connector is shown. FIG. 10 is a plan view of the first card, FIG. 11 is a left side view of the first card, and FIG. 12 is a perspective view showing the first card from an oblique lower side. FIG. 13 is a plan view of the second card, FIG. 14A is a right side view of the second card, and FIG. 14B is a left side view of the second card. FIG. 15 is a perspective view showing the second card obliquely from below.

  FIG. 16 and FIG. 17 show the first card and the second card with the left side and the rear end thereof being overlapped, and FIG. Is a perspective view showing three-dimensionally superimposed. In FIGS. 16 and 17, the first card is indicated by a broken line and the second card is indicated by a solid line.

(Shape of the first card)
The first card C1 shown in FIGS. 10 to 12 is used as a memory device such as a so-called multimedia card. The first card C1 has a plastic case 1 in which a memory chip such as a flash memory and an IC chip that functions as a memory controller are stored.

  As shown in FIG. 11, the case 1 has a front surface 1a that is a first surface and a back surface 1b that is a second surface. The front surface 1a and the back surface 1b are planes parallel to each other, and the distance between the front surface 1a and the back surface 1b is the thickness dimension T1 of the first card C1. As shown in FIG. 12, a plurality (13) of external connection portions 5 are exposed in front of the back surface 1b. The surface of the external connection portion 5 is substantially flush with the back surface 1 b of the case 1.

  Here, “front surface” and “back surface” are names for convenience to distinguish between the surface having the external connection portion 5 and the surface not having the external connection portion 5, even if the front surface 1 a is attached to the card connector 20. Alternatively, it may be mounted with the back surface 1b facing upward.

  As shown in FIGS. 10 to 12, the case 1 has a front end portion 1c and a rear end portion 1d. It also has a right side 1e and a left side 1f.

  As shown in FIG. 11, the front end 1c is a plane perpendicular to the front surface 1a, and a front inclined surface 2 is formed at the corner between the front surface 1a and the back surface 1b. The rear end 1d is a plane perpendicular to the front surface 1a and the back surface 1b. The right side 1e and the left side 1f are planes perpendicular to the front surface 1a and the back surface 1b. As shown in FIG. 10, the boundary portion between the front end portion 1c and the right side portion 1e and the boundary portion between the front end portion 1c and the left side portion 1f, that is, the left and right side portions of the front end portion 1c are front portions that are part of a cylindrical surface. Corner curved surfaces 3 and 3 are formed. The rear corner curved surface 4, which is a part of the cylindrical surface, is also formed at the boundary between the rear end 1d and the right side 1e and the boundary between the rear end 1d and the left side 1f, that is, both the left and right sides of the rear end 1d. 4 is formed.

  As shown in FIG. 10, in the plan view of the case 11 viewed from the surface 1a side, the shape of the case 1 is symmetrical to the left and right via a center line O1-O1 extending in the front-rear direction.

  In the front portion of the case 1, guide grooves 6 and 6 are formed which are recessed from the right side 1e and the left side 1f toward the center line O1-O1. The guide grooves 6, 6 are parallel to the right side portion 1e and the left side portion 1f, and are located on the inner side surfaces 6a, 6a located on the inner side by a distance W1 from the right side portion 1e and the left side portion 1f toward the center line O1-O1, and the back surface 1b. And inner bottom surfaces 6c, 6c parallel to each other. Inclined portions 6b and 6b are formed between the rear end portion of the right guide groove 6 and the right side portion 1e, and between the rear end portion of the left guide groove 6 and the left side portion 1f, respectively. .

  As shown in FIG. 11, the guide grooves 6 and 6 are recessed from the front surface 1a of the case 1 toward the back surface 1b. The distance from the front surface 1a of the case 1 to the inner bottom surface 6c of the guide groove 6, that is, the depth dimension t1 from the front surface 1a to the back surface 1b of the guide grooves 6, 6 is the total thickness dimension T1 of the first card C1. It is almost 1/2 of this. Further, as a result of the guide grooves 6 and 6 being formed to be recessed from the front surface 1a, thin-walled portions 7 and 7 that are sandwiched between the back surface 1b and the inner bottom surfaces 6c and 6c are formed on the back surface side. Is formed. The thickness dimension t2 of the thin portions 7 and 7 is also approximately ½ of the entire thickness dimension T1 of the first card C1.

  The guide grooves 6 and 6 are opened forward at the left and right sides of the front end 1c. Therefore, as shown in FIG. 12, the thickness dimension of the front end portion 1c is T1 at most of the center thereof, but the thickness dimension is t2 at both sides.

  On the right side 1e and the left side 1f of the case 1, latching recesses 8, 8 are formed behind the rear ends of the guide grooves 6, 6. The latching recesses 8, 8 have inner ends 8a, 8a that are located on the center line O1-O1 side of the right side 1e and the left side 1f and are parallel to the right side 1e and the left side 1f. The width dimension W2 from the right side 1e to the inner end 8a and the width dimension W2 from the left side 1f to the front inner end 8b are substantially the same as the width dimension W1 of the guide grooves 6 and 6.

  The latching recesses 8, 8 have a front inner end 8b and a rear inner end 8c. The distance from the rear inner end 8c to the rear end 1d of the first card C1 is L1. Further, as shown in FIGS. 11 and 12, the latching recesses 8 and 8 have inner bottom ends 8d and 8d which are surfaces parallel to the back surface 1b. That is, the latching recess 8 provided in the right side 1e and the latching recess 8 provided in the left side 1f are not penetrating from the front surface 1a to the back surface 1b of the first card C1. The recesses 8 have a predetermined depth dimension t3 from the front surface 1a to the back surface 1b. The depth dimension t3 is slightly larger than the depth dimension t1 of the guide groove 6.

  As shown in FIG. 10, a knob recess 9 that is recessed from the surface 1 a is formed slightly forward of the rear end 1 d of the case 1. As shown in FIG. 1, when the first card C <b> 1 is attached to the card connector 20, the rear end portion having the knob recess 9 protrudes from the card connector 20. The first card C <b> 1 can be pulled out from the card connector 20 by putting a fingernail on the knob 9.

  The first card C1 is a portion excluding the guide grooves 6, 6 and the latching recesses 8, 8 and the knob recess 9, and has a constant thickness dimension T1. The portion with the thickness dimension T1 is the thick portion of the first card C1. In addition, in the front part of the 1st card | curd C1, it is a thick part except thin part 7 and 7 irrespective of whether the said front inclined surface 2 is formed.

(The shape of the second card)
The second card C2 shown in FIGS. 13 to 15 is also used as a memory device. Inside the plastic case 11, a memory chip such as a flash memory or an IC chip that functions as a memory controller is provided. It is stored.

  The first card C1 and the second card C2 have different case shapes and different functions. The difference in function is, for example, a difference in driving voltage, that is, a difference in voltage to be supplied to an internal electronic circuit via an external connection for power. Or it is the difference in the memory capacity of the memory chip accommodated inside.

  As shown in FIGS. 14A and 14B, the case 11 of the second card C2 has a front surface 11a as a first surface and a back surface 11b as a second surface. Moreover, as shown in FIG. 13, it has the front-end part 11c, the rear-end part 11d, the right side part 11e, and the left side part 11f. As shown in FIGS. 14A and 14B, the thickness dimension Ta from the front surface 11a to the back surface 11b is the thickness dimension of the second card C2. In the case 11, the height dimension Tb of the rear end portion 11d is slightly larger than the thickness dimension Ta. The thickness dimension Ta of the second card C2 is substantially the same as the thickness dimension T1 of the first card C1.

  FIG. 16 and FIG. 17 show the difference in shape and size between the first card C1 and the second card C2. From the front end portion 11c to the rear end portion 11d of the second card C1 shown in FIG. The length dimension La in the vertical direction is smaller than the length dimension L0 in the vertical direction of the first card C1 shown in FIG. On the other hand, the width dimension Wa from the right side 11e to the left side 11f of the second card C2 is larger than the width dimension W0 of the first card C1.

  As shown in FIGS. 13 and 14A and 14B, guide grooves 16 and 16 that are recessed from the front surface 11a toward the back surface 11b are formed on both sides of the second card C2. In both the right side portion 11e and the left side portion 11f, the guide grooves 16, 16 extend rearward from the front end portion 11c of the second card C2, and the rear ends 16b, 16b extend from the second card C2. It is located in the vicinity of the rear end portion 11d.

  Each of the guide grooves 16 and 16 has inner bottom surfaces 16c and 16c that are located closer to the back surface 11b than the front surface 11a of the second card C2 and are parallel to the front surface 11a. As shown in FIG. 14A, the distance from the surface 11a to the inner bottom surface 16c is the depth dimension ta of the guide grooves 16 and 16. The depth dimension ta is approximately ½ of the thickness dimension T1 of the second card C2. The depth dimension ta is substantially the same as the depth dimension t1 of the guide grooves 6 and 6 of the first card C1 shown in FIG.

  Each guide groove 16, 16 has inner side surfaces 16a, 16a located on the center line O2-O2 side of the right side portion 11e and the left side portion 11f of the second card C2. The inner side surfaces 16a and 16a are surfaces parallel to the right side portion 11e and the left side portion 11f. The distance from the right side portion 11e to the inner side surface 16a and the distance from the left side portion 11f to the inner side surface 16a are the width dimensions Wb of the guide grooves 16, 16, respectively. This width dimension Wb is substantially the same as the width dimension W1 of the guide grooves 6 and 6 of the first card C1 shown in FIG.

  As shown in FIGS. 14A and 14B, in the right side portion 11e and the left side portion 11f of the second card C2, the guide grooves 16 and 16 are formed, so that the thin portion 17 17 is formed. The length dimension in the vertical direction from the front end portion 11c of the second card C2 to the rear end portions of the thin portions 17 and 17 is the same as the length dimension of the guide grooves 16 and 16 in the vertical direction. The height dimension from the inner bottom surfaces 16c, 16c of the guide grooves 16, 16 to the back surface 11b of the second card C2 is the thickness dimension tb of the thin portions 17, 17. The thickness dimension tb is approximately ½ of the thickness dimension Ta of the second card C2.

  As shown in FIGS. 13 and 14A, the right side portion 11e is formed with a latching recess portion 18 from which one portion of the thin portion is removed. The inner end 18 a of the latching recess 18 is flush with the inner surface 16 a of the guide groove 16. Moreover, the latching recessed part 18 has the front inner end 18b and the rear inner end 18c. As shown in FIG. 13, the distance Lb from the rear end 11d of the second card C2 to the rear inner end 18c of the latching recess 18 is latched from the rear end 1d of the first card C1 shown in FIG. It is longer than the distance L1 to the rear inner end 8c of the recess 8. That is, as shown in FIGS. 16 and 17, when the rear end 1d of the first card C1 and the rear end 11d of the second card C2 are set to the same reference position, they are formed on the first card C1. The latching recess 18 formed in the second card C2 does not exist at the position where the latching recess 8 and the second card C2 overlap, and the latching recess 18 of the second card C2 is the latching recess 8 of the first card C1. Is located in front of.

  In addition, in each of the thin portions 17 and 17 provided on both side portions of the second card C2, rear concave portions 19 and 19 positioned rearward of the hook concave portion 18 are formed.

  As shown in FIGS. 14A and 14B, an upper front inclined surface 12a is formed at the front end portion of the front surface 11a of the second card C2, and a lower front inclined surface 12b is also formed at the front end portion of the back surface 11b. The thickness dimension is gradually reduced toward the front.

  In the second card C2, the portion having the thickness dimension Ta excluding the thin portions 17 and 17 and the rear end portion 11d of the thickness Tb is the thick portion. In the front end portion 11c, even if the upper front inclined surface 12a and the lower front inclined surface 12b are formed, a portion excluding the thin portions 17 and 17 is a thick portion. Therefore, as shown in FIG. 13, at the boundary between the front end portion 11c and the right side portion 11e of the second card C2 and the boundary portion between the front end portion 11c and the left side portion 11f, Thin front corner curved surfaces 13b, 13b are formed, and thick front corner curved surfaces 13a, 13a are formed on both sides of the front end of the thick portion.

  Note that rear corner curved surfaces 14, 14 are formed on the left and right sides of the rear end portion 11d of the second card C2.

  As shown in FIG. 15, the back surface 11 b of the second card C <b> 2 is slightly depressed at the center portion, and this recessed portion is also the thick portion. A plurality of external connection portions 15 are exposed at the front portion of the back surface 11b. This external connection portion 15 is the same surface as the back surface 11b, and is a metal terminal having a surface plated with a low resistance material such as gold. Each external connection portion 15 is electrically connected to a circuit housed in the case 11.

  As shown in FIGS. 16 and 17, when the rear end 1d of the first card C1 and the rear end 11d of the second card C2 are set to the same reference position, the first card C1 is provided with the first card C1. The external connection part 5 is located in front of the external connection part 15 provided in the second card C2.

(Contrast between the shape of the first card and the second card)
In FIG. 16 and FIG. 17, the first card C1 and the second card C2 match the rear end 1d and the rear end 11d, the left side 1f and the left side 11f, and the back surface 1b. And the back surface 11b are made to coincide with each other in a three-dimensional manner. Since the left side portion 1f and the left side portion 11f are overlapped so as to coincide with each other, the center line O2-O2 of the second card C2 is located on the right side of the drawing with respect to the center line O1-O1 of the first card C1. Yes.

  Further, the front end portion 1c of the first card C1 is positioned forward by a dimension (L0-La) from the front end portion 11c of the second card C2.

  Since the width dimension W1 of the thin part 7 of the first card C1 is substantially the same as the width dimension Wb of the thin part 17 of the second card C2, as shown in FIG. 16, the left side part of the first card C1. If 1f and the left side portion 11f of the second card C2 are matched, the thin portion 7 on the left side of the first card and the thin portion 17 on the left side of the second card C2 substantially overlap each other.

  As shown in FIG. 16, the right side portion 11e of the second card C2 protrudes to the right side by a dimension (Wa-W0) from the right side portion 1e of the first card C1. That is, the thin portion 17 on the right side of the second card C2 protrudes to the right side by the dimension (Wa-W0) from the right side portion 1e of the first card C1.

  Since the width dimension W1 of the thin part 7 of the first card C1 and the width dimension Wb of the thin part 17 of the second card C2 are substantially the same, the inner surface 16a of the guide groove 16 of the second card C2 is The first card C1 protrudes to the right side from the inner surface 6a of the guide groove 6 by a dimension (Wa-W0). Further, the right side 1e of the first card C1 protrudes to the right by the dimension (Wb− (Wa−W0)) from the inner side surface 16a of the right guide groove 16 of the second card C2.

  Therefore, as shown in FIG. 16, when the first card C1 and the second card C2 are overlapped, the first card C1 and the second card C2 are in the region of the dimension (Wb− (Wa−W0)) in the right front. The thin portion 7 of the card C1 and the thin portion 17 of the second card C2 partially overlap.

(Structure of card connector)
Next, the structure of the card connector 20 to which the various cards are mounted will be described.

  As shown in FIG. 1, the card connector 20 has a housing 21. The casing 21 includes a casing body 22 made of a synthetic resin and a lid body 23 that is formed of a metal plate and is placed above the casing body 22.

  As shown in FIGS. 2 and 3, the housing body 22 has a frame shape. The housing body 22 includes a front wall portion 24, a rear wall portion 25, a right wall portion 26, a left wall portion 27, and a bottom wall portion 28 that are integrally formed. The upper surface 24a of the front wall portion 24, the upper surface 25a of the rear wall portion 25, the upper surface 26a of the right wall portion 26 and the upper surface 27a of the left wall portion 27 are flush with each other. As shown in FIG. 1, the ceiling plate 23 a of the lid body 23 is installed in close contact with the upper surfaces 24 a, 25 a, 26 a, and 27 a of the housing body 22. The lid body 23 is provided with a rear side plate 23b, a right side plate 23c and a left side plate 23d, which are bent at a right angle from the ceiling plate 23a. The rear side plate 23b is installed on the outer surface of the rear wall portion 25 of the housing body 22, and the right side plate 23c and the left side plate 23d are installed on the outer surface of the right wall portion 26 and the outer surface of the left wall portion 27, respectively. Has been.

  The thickness dimension of the housing 21 is determined by the height dimension from the lower surface of the bottom wall portion 28 of the housing body 22 to the upper surface of the ceiling plate 23 a of the lid body 23. A space sandwiched between the upper surface of the bottom wall portion 28 of the housing body 22 and the lower surface of the lid 21 is formed inside the housing 21. In this space, the right side of the drawing is a movement area of the slider 40 described later, and the left side is a card storage area into which the first card C1 or the second card C2 can be selectively inserted. The internal height dimension of the card storage area is based on the thickness dimension T1 (thickness dimension of the thick part) of the first card C1 and the thickness dimension Ta (thickness dimension of the thick part) of the second card C2. Is a slightly larger dimension.

  As shown in FIGS. 2 and 3, the inner surface of the left wall portion 27 of the housing body 22 is a guide reference surface 27b, and the left side portion 1f of the first card C1 and the left side portion 11f of the second card C2 are Both are inserted toward the back side ((a) side) as the insertion direction in the card storage area of the housing 21 while sliding on the guide reference surface 27b. An opening wall 24b facing the guide reference surface 27b is formed at the left end portion of the front wall portion 24 of the housing body 22. An opening sandwiched between the guide reference surface 27b and the opening wall 24b is an insertion port 29. The opening width dimension W10 of the insertion port 29, that is, the facing distance W10 between the guide reference surface 27b and the opening wall 24b is substantially the same as the width dimension Wa of the second card C2, and the second card C2 can pass through. Dimensions.

  As shown in FIGS. 2 and 4, an upper guide portion 31 extending toward the card storage area is integrally provided on the left wall portion 27 of the housing body 22. As shown in FIGS. 4 and 5, when the first card C1 is inserted into the card storage area in the housing 21 in the normal direction, it is provided in front of the left side 1f of the first card C1. The thin portion 7 enters between the upper surface of the bottom wall portion 28 and the lower surface of the upper guide portion 31. Further, as shown in FIGS. 7 and 8, even when the second card C2 is inserted in the normal direction into the card storage area, the thin portion 17 formed on the left side portion 11f of the second card C2. Enters between the upper surface of the bottom wall portion 28 and the lower surface of the upper guide portion 31.

  However, the thick part of the first card C1 and the thick part of the second card C2 cannot enter the lower side of the upper guide part 31.

  That is, the height dimension between the lower surface of the upper guide part 31 and the upper surface of the bottom wall part 28 is the thickness dimension t2 of the thin part 7 of the first card C1 and the thickness of the thin part 17 of the second card C2. It is slightly larger than the thickness dimension tb and smaller than the thickness dimension T1 of the thick part of the first card C1 and the thickness dimension Ta of the thick part of the second card C2. Further, the protrusion dimension W11 of the upper guide part 31 from the guide reference surface 27b shown in FIG. 3 is based on the width dimension W1 of the thin part 7 of the first card C1 and the width dimension Wb of the thin part 17 of the second card C2. Is also slightly smaller.

  As shown in FIG. 2, a guide portion 34 extending in the front-rear direction (direction (a)-(b)) is formed on the upper surface of the bottom wall portion 28 in the moving region of the slider on the right side of the housing body 22. The guide portion 34 is a rail formed so as to protrude from the upper surface of the bottom wall portion 28. A synthetic resin slider 40 is provided in the moving region of the housing body 22, and the slider 40 reciprocates linearly in the front-rear direction along the inner surfaces of the guide portion 34 and the right wall portion 26. It is supported freely.

  An urging member such as a coil spring is provided between the slider 40 and the housing body 22, and the slider 40 faces the front wall portion 24 toward the front side ((b) side), that is, the card ejection direction. Always energized towards.

  Between the slider 40 and the housing | casing 21, the locking mechanism 35 for locking the slider 40 in the back | inner side ((a) side) is provided. The lock mechanism 35 includes a groove cam 41 formed on the upper surface of the slider 40 and a lock pin 36 provided on the housing 21.

  The lock pin 36 has a proximal end portion 36a and a distal end portion 36b bent at a right angle. As shown in FIG. 3, the base end portion 36 a of the lock pin 36 is rotatably supported in a holding recess 24 c formed in the upper portion of the front wall portion 24 of the housing body 22. A distal end portion 36 b of the lock pin 36 is slidably inserted into the groove cam 41. As shown in FIG. 1, a lock plate spring 37 is integrally formed on the right front side of the ceiling plate 23a of the lid body 23 formed of a metal plate. The lock leaf spring 37 is a cantilever support spring formed by cutting out a part of the ceiling plate 23a. The lock pin 36 is pressed by the lock plate spring 37, and the tip 36 b is pressed against the groove bottom of the groove cam 41.

  As shown in FIG. 3, the groove cam 41 is located on the lock release portion 41a located at the end on the back side ((a) side), and on the near side ((b) side) than the lock release portion 41a. And a lock portion 41b. Between the lock release portion 41a and the lock portion 41b, a forward groove 41c is formed on the left side, and a return groove 41d is formed on the right side. Inside the groove cam 41, steps are formed at the boundary portions of the lock release portion 41a, the forward groove 41c, the lock portion 41b, and the return groove 41d, and the tip portion 36b of the lock pin 36 is connected to the lock release portion 41a → It can slide only in the order of forward groove 41c → lock portion 41b → return groove 41d → lock release portion 41a, and the reverse process cannot be followed.

  In FIG. 3, the slider 40 is moved to the near side ((b) side) by the urging member, and the slider 40 is abutted against the front wall portion 24 of the housing body 22. At this time, the distal end portion 36 b of the lock pin 36 is located in the lock release portion 41 a of the groove cam 41. When the first card C1 or the second card C2 is inserted through the insertion slot 29 and the slider 40 moves to the back side ((a) side) together with the card, the tip end portion 36b of the lock pin 36 moves forward of the groove cam 41. As shown in FIG. 5, it passes through the groove 41c and reaches the lock portion 41b. Since the groove cam 41 has a V-shape that is recessed toward the back side ((a) side) in the lock portion 41b, when the distal end portion 36b of the lock pin 36 is hooked on the lock portion 41b, the slider 40 moves forward. It is locked so as not to return to the side ((b) side).

  As shown in FIG. 5, when the slider 40 is locked and the card is further pushed to move the slider 40 to the back side ((a) side) by a short distance, the tip 36b of the lock pin 36 becomes a groove. The slider 41 comes out of the lock portion 41b of the cam 41 and is guided by the return path groove 41d, so that the slider 40 is unlocked. When the pressing force on the card is loosened, the slider 40 is returned to the initial position shown in FIG. 3 by the force of the biasing member, and during this time, the tip end portion 36b of the lock pin 36 extends from the return path groove 41d to the unlocking portion 41a. Return to.

  As shown in detail in FIGS. 9A and 9B, a first abutting portion 42 is provided on the left side of the back side ((a) side) of the slider 40. As shown also in FIG. 3 etc., the 1st contact part 42 is a plane which faces the near side ((b) side). As shown in FIGS. 4 and 5, when the first card C <b> 1 is inserted into the card storage area in the housing 21 in the normal orientation, the right side portion of the front end portion 1 c becomes the first contact portion 42. Abut.

  As shown in FIGS. 9A and 9B, on the left side of the slider 40, a first restricting portion that continuously extends from the first abutting portion 42 toward the front side ((b) side). 43 is provided. The 1st control part 43 has the 1st control recessed part 43a and the 1st control convex part 43b. The first restricting recess 43a is recessed rightward on the lower side of the slider 40, and the first restricting protrusion 43b protrudes above the first restricting recess 43a. As shown in FIGS. 4 and 5, when the first card C1 is inserted into the card storage area in the housing 21 in the normal orientation, it is formed in front of the right side portion 1e of the first card C1. The thin-walled portion 7 enters the first restriction concave portion 43a, and the first restriction convex portion 43b enters the guide groove 6 of the first card C1. Further, the right side 1e of the first card C1 faces the inner end face 43c of the first restricting recess 43a with a minimum gap.

  The height dimension from the upper surface of the bottom wall portion 28 of the housing body 22 to the lower surface of the first restricting convex portion 43b is slightly larger than the thickness dimension t2 of the thin portion 7 of the first card C1, and the first This is smaller than the thickness dimension T1 of the thick portion of the card C1. Therefore, the thick part of the first card C1 does not enter the first restriction recess 43a.

  As shown in FIG. 3, the distance dimension W12 between the guide reference surface 27b of the left wall 27 of the housing body 22 and the inner end face 43c of the first restricting recess 43a is equal to the width dimension W0 of the first card C1. The first card C1 that is set to be the same or slightly larger and is mounted as shown in FIG. 4 can be positioned in the left-right direction. Further, the width dimension W13 of the first restriction recess 43a shown in FIG. 3, that is, the width dimension W13 between the protruding end face 43d of the first restriction protrusion 43b and the inner end face 43c of the first restriction recess 43a is the first It is formed to be the same as or slightly smaller than the width dimension W1 of the guide groove 6 and the thin portion 7 of the card C1. However, it is preferable to make the width dimension W13 and the width dimension W1 substantially coincide with each other. In this case, the protruding end surface 43d of the first restricting convex portion 43b and the inner side surface 6a of the guide groove 6 of the first card C1. It becomes easy to exhibit the effect which regulates so that the 1st card | curd C1 may not largely rattle in the width direction.

  As shown in FIGS. 9A and 9B, a second restricting portion 45 is provided on the left side of the slider 40 on the front side ((b) side) of the first restricting portion 43. The second restricting portion 45 includes a second restricting concave portion 45a, a second front restricting convex portion 45b, and a second rear restricting convex portion 45c. The second restricting recess 45a is formed to be recessed in the right direction, and the second front restricting convex portion 45b and the second rear restricting convex portion 45c project over the second restricting concave portion 45a. Yes.

  The height dimension from the upper surface of the bottom wall portion 28 of the housing body 22 to the lower surfaces of the second front restricting convex portion 45b and the second rear restricting convex portion 45c is the thin portion 17 of the second card C2. Is slightly larger than the thickness dimension tb, but smaller than the thickness dimension Ta of the thick portion of the second card C2. Therefore, the thin portion 17 of the second card C2 can enter below the second front restricting convex portion 45b and the second rear restricting convex portion 45b, but the thick portion of the second card C2 is I can't get in.

  The second front restricting convex portion 45b is located on the right side of the first restricting convex portion 43b, and is formed between the first restricting convex portion 43b and the second front restricting convex portion 45b. Is the second contact portion 44. The second contact portion 44 is formed with the same thickness as the first restricting convex portion 43b and the second and front restricting convex portions 45b, and its end surface is a concave curved surface.

  As shown in FIGS. 7 and 8, when the second card C2 is inserted in the normal direction into the card storage area in the housing 21, it is formed on the right side portion 11e of the second card C2. The thin portion 17 enters the lower side of the second front restricting convex portion 45b and the second rear restricting convex portion 45c. Further, the thick front corner curved surface 13a formed in front of the right end of the thick portion of the second card C2 comes into contact with the second contact portion 44, so that the second card C2 and the slider 40 are moved in the front-rear direction. Positioned.

  As shown in FIGS. 9A and 9B, the second front restricting convex portion 45b has a larger protruding dimension in the left direction than the second rear restricting convex portion 45c, and the second front restricting convex portion 45b A third contact portion 46 is formed at the step portion between the second rear regulating convex portion 45c. The third abutting portion 46 has the same thickness as the second front restricting convex portion 45b and the second rear restricting convex portion 45c, and its end surface has a concave curved surface shape. As shown in FIG. 6, when the first card C1 is inserted back and forth in the card storage area, the rear corner curved surface 4 of the first card C1 hits the third abutting portion 46, and more than that The first card C1 is restricted from being inserted.

  As shown in FIG. 9B, a movable member 50 is provided below the slider 40. The movable member 50 is located on the right side of the second restriction recess 45a. The movable member 50 is made of synthetic resin like the slider 40. A support shaft 51 extending downward is integrally formed on the slider 40, and the end of the movable member 50 on the back side ((a) side) is rotatably supported by the support shaft 51. Further, a plate spring 52 is fixed as a biasing member to the lower portion of the slider 40, and the movable member 50 is biased clockwise by the plate spring 52 in the plan view shown in FIG.

  An opposing side surface 53 is formed on the left side of the movable member 50, and an operation pressing portion 54 that protrudes to the left side of the opposing side surface 53 is provided at the pivot point on the far side ((a) side). ing. From the operation pressing portion 54 to the facing side surface 53, the left side portion of the movable member 50 has a concave curved surface shape. Further, a first temporary fixing convex portion 55 that protrudes in the left direction is integrally formed at a free end portion directed toward the front side ((b) side) of the movable member 50.

  As shown in FIG. 3, when no external force is applied to the movable member 50, the facing side surface 53 is a plane extending in the front-rear direction and is substantially parallel to the guide reference surface 27 b formed on the left wall portion 27. . The facing side surface 53 of the movable member 50 also functions as a guide surface or a regulation surface facing the right side portion 11e of the second card C2. The opposing side surface 53 functions as an inner end surface of the second restricting recess 45a. The spacing dimension W14 from the guide reference surface 27b to the opposing side surface 53 shown in FIG. 3 is the same as or slightly larger than the width dimension Wa of the second card C2.

  Further, the width dimension W15 from the protruding end surface 45d of the second front restricting convex part 45b to the opposing side surface 53 is the right dimension of the second restricting concave part 45a, and the width dimension W15 is the second dimension W15. It is the same as or slightly smaller than the width dimension Wb of the thin portion 17 of the card C2.

  As shown in FIGS. 7 and 8, the second card C2 is inserted into the card storage area in a normal direction, and the thin portion 17 of the right side portion 11e is connected to the second front restricting convex portion 45b and the second rear portion. When entering the lower side of the restricting convex portion 45c, the protruding end surface 45d of the second front restricting convex portion 45b and the inner side surface 16a of the guide groove 16 of the second card C2 are opposed to each other with a minute gap. When the width dimension W15 is set, the protruding end face 45d restricts the second card C2 from rattling to the right.

  As shown in FIGS. 7 and 8, the thin front corner formed at the front end of the thin portion 17 when the thin portion 17 of the second card C2 enters the second restricting recess 45a. The curved surface 13 b comes into contact with the operation pressing portion 54 of the movable member 50. Therefore, when the thick front corner curved surface 13a hits the second contact portion 44, the thin front corner portion 13b is replaced with the operation pressing portion 54 instead of positioning the second card C2 and the slider 40 forward and backward. The second card C2 and the slider 40 may be positioned in the front-rear direction.

  As shown in FIGS. 7 and 8, when the thin portion 17 on the right side of the second card C2 enters the second restricting recess 45a, the first temporary fixing convex portion 55 formed on the movable member 50 is The second card C2 is fitted into a latching recess 18 formed in the thin portion 17 of the second card C2. When the second card C2 is inserted in a normal direction, the thin front corner curved surface 13b of the second card C2 hits the operation pressing portion 54 of the movable member 50, and due to the force when inserting the second card C2, A clockwise turning force acts on the movable member 50. Therefore, the urging force of the leaf spring 52 is reinforced by the turning force, and the first temporary fixing convex portion 55 is reliably fitted into the latching concave portion 18.

  Further, when the second card C2 is normally inserted, the first temporary fixing convex portion 55 cannot be securely fitted into the engaging concave portion 18, or the width dimension is equal to that of the second card C2. However, when a card that should not be inserted is not formed with the latching recess 18 formed on the right side, the first temporary fixing projection 55 hits the right side of the card and the movable member 50 is bent. It remains rotated clockwise. At this time, the right front end portion of the inserted card cannot be satisfactorily fitted to the operation pressing portion 54 formed on the movable member 50. Therefore, the front end portion of the card does not hit the second contact portion 44 and is positioned in front of it. Therefore, even if the card and the slider 40 are pushed into the back side ((a) side) as they are, it is possible to prevent a card that should not be originally inserted from entering the housing 21 deeply.

  Further, as shown in FIG. 7, when the second card C2 is pulled out to the near side ((b) side) from the state where the first temporary fixing convex portion 55 is fitted in the latching concave portion 18, The movable member 50 is rotated counterclockwise against the urging force of the leaf spring 52 by the moving force of the latching recess 18 moving to the near side, and the first temporary fixing projection 55 is engaged with the latching recess 18. Get out of. In order to facilitate removal at this time, the protrusion amount of the first temporary fixing convex portion 55 in the left direction is shorter in the front portion 55a than in the rear portion 55b.

  As shown in FIGS. 9A and 9B, on the left side of the slider 40, a first restricting portion 43 and a second restricting portion 45 are combined to form a three-dimensional structure. The first restricting recess 43a and the second restricting recess 45a are spaces that are continuous in the front-rear direction below the first restricting convex portion 43b, the second front restricting convex portion 45b, and the second rear restricting convex portion 45c. is there.

  The thin portion 7 formed in the first card C1 mainly enters the first restriction recess 43a, and the thin portion 17 formed in the second card C2 is behind the first restriction recess 43a. It enters into the 2nd control recessed part 45a located. However, in the second restriction recess 45a located on the lower side of the second front restriction protrusion 45b, the portion indicated by the length dimension L20 and the width dimension W20 in FIG. 4 is the thin portion 7 of the first card C1. And the thin portion 17 of the second card C2.

  As shown in FIGS. 2, 3, and 9, a holding recess 48 is formed on the upper surface (side (b)) of the slider 40, and a leaf spring 57 is provided in the holding recess 48. It has been. The leaf spring 57 is formed of a metal plate that functions as a leaf spring material, is bent into a U shape, and is fitted into the holding recess 48. At the free end of the leaf spring 57, a second temporary fixing portion 57a is formed which is folded in a mountain toward the card storage area.

  As shown in FIGS. 9A and 9B, the second temporary fixing convex portion 57a is located behind the second rear restricting convex portion 45c and has the same height as the second rear restricting convex portion 45c. Is provided. As shown in FIG. 7, when the second card C2 is inserted, the right thin portion 17 moves below the second temporary fixing convex portion 57a. On the other hand, as shown in FIG. 4, when the first card C <b> 1 is inserted, the thin portion 7 on the right front passes under the second temporary fixing convex portion 57 a, and thereafter, the rear portion of the guide groove 6. The inclined portion 6b and the right side portion 1e slide with the second temporary fixing convex portion 57a. And the 2nd temporary fix | protrusion convex part 57a is fitted to the latching recessed part 8 formed in the right side part of the 1st card | curd C1.

  As shown in FIG. 3, the second temporary fixing convex portion 57a is located farther toward the front side ((b) side) than the first temporary fixing convex portion 55, and the first temporary fixing convex portion The portion 55 and the second temporary fixing convex portion 57a do not overlap each other. Further, as shown in FIG. 9B, the first temporary fixing convex portion 55 is positioned on the lower side, and the second temporary fixing convex portion 57a is positioned on the upper side, and are at different height positions. .

  As shown in FIG. 3, a first connection terminal 61 is provided on the back side ((a) side) of the bottom of the housing body 22. The first connection terminals 61 are arranged in the same number and the same pitch as the external connection portions 5 exposed on the back surface 1b of the first card C1 shown in FIG. Each first connection terminal 61 is provided with a first external protruding terminal 62 in a one-to-one relationship. The individual first connection terminals 61 and the first external projecting terminals 62 are individually connected, and are formed of a conductive metal plate having a surface plated with a low resistance noble metal material such as gold.

  The first connection terminal 61 is disposed at a position where it can be individually contacted with the external connection portion 5 of the first card C1 mounted in a normal position in a normal posture. It protrudes further rearward than the rear wall portion 25 of the main body 22.

  At the bottom of the housing body 22, a second connection terminal 63 is provided on the front side ((b) side) of the first connection terminal 61. The second connection terminals 63 are arranged in the same number and the same pitch as the external connection portions 15 exposed on the back surface 11b of the second card C2 shown in FIG. Each of the second connection terminals 63 is provided with a second external protruding terminal 64 on a one-to-one basis. The individual second connection terminals 63 and the second external protruding terminals 64 are individually connected, and are formed of a conductive metal plate having a surface plated with a low-resistance noble metal material such as gold.

  The second connection terminal 63 is disposed at a position where the second connection terminal 63 can be individually contacted with the external connection portion 15 of the second card C2 mounted in a normal position with a normal posture. It protrudes into a notch in front of the bottom wall of the main body 22.

(Normal insertion operation of the first card)
2, 4, and 5 show an operation when the first card C <b> 1 is mounted in the housing 21 in a normal orientation.

  When the card is not loaded, the slider 40 moves to the insertion slot 29 side ((b) side) as shown in FIG. The movable member 50 supported by the slider 40 is urged clockwise by a leaf spring 52, but the clockwise rotation is restricted in the posture shown in FIG. At this time, the opposing side surface 53 is directed substantially parallel to the left guide reference surface 27b.

  The first card C1 is inserted from the insertion slot 29 with the front end 1c facing forward and the surface 1a facing upward. When the left side 1f of the first card C1 is inserted so as to slide on the guide reference surface 27b which is the inner surface of the left wall 27 of the housing body 22, the right side 1e of the first card C1 is It passes without hitting the tip of the first temporary fixing convex portion 55 formed on the movable member 50. Even if the right side 1e of the first card C1 in the middle of insertion hits the first temporary fixing convex portion 55 and the movable member 50 is rotated counterclockwise, it is movable by the urging force of the leaf spring 52 thereafter. The member 50 can return to the posture shown in FIG. Therefore, the first card C1 is inserted toward the back side ((a) side) without being blocked by the first temporary fixing convex portion 55.

  When the first card C1 is inserted into the back side ((a) side), the thin-walled portion 7 formed on the right front side is a part of the second restricting recess 45a, that is, the length shown in FIG. It passes through the region of the dimension L20 and the width dimension W20, and further enters the first restriction recess 43a. The right side portion of the front end portion 1 c of the first card C <b> 1 comes into contact with the first contact portion 42 formed on the slider 40. As shown in FIG. 4, when the front end portion 1c of the first card C1 hits the first abutting portion 42, the first restricting convex portion 43b formed on the slider 40 and the second portion are formed on the thin portion 7. A part of the front restricting convex portion 45b (region having a length dimension of L20 and a width dimension of W20) is overlapped.

  Further, as shown in FIG. 4, when the front end 1c of the first card C1 hits the first contact portion 42, the thin portion 7 formed on the left front of the first card C1 is It enters the lower side of the upper guide part 31 formed integrally with the left wall part 27.

  Further, when the first card C1 is inserted, the second temporary fixing convex portion provided on the front side of the slider 40 is the thin portion 7 formed on the right side of the case 1 of the first card C1. It passes below 57a. Thereafter, the second temporary fixing convex portion 57a is pushed rightward by the inclined portion 6b behind the guide groove 6, the leaf spring 57 is deformed, and the right side portion 1e of the first card C1 is moved to the second temporary portion. Slide the stop projection 57a. As shown in FIG. 4, when the front end 1 c of the first card C <b> 1 hits the first contact portion 42, the second temporary fixing convex portion 57 a is moved by the elastic return force of the leaf spring 57. Is fitted into the latching recess 8 located on the right side of the card C1.

  At this time, since the second temporary fixing convex portion 57a slides on the inclined portion 6b located behind the guide groove 6, the first card C1 is pushed into the housing 21 with a light force, so that the leaf spring 57 can be deformed. Therefore, after that, the first card C1 can be prevented from inadvertently coming out of the housing 21.

  When the first card C1 is pushed in after the front end portion 1c of the first card C1 is in contact with the first contact portion 42, the first card C1 and the slider 40 are integrally moved to the back side. To do. When the first card C1 reaches the mounting completion position shown in FIG. 5, the lock portion 41b of the groove cam 41 formed on the slider 40 is engaged with the tip end portion 36b of the lock pin 36, and the slider 40 is moved to that position. Locked by.

  At this time, each of the first connection terminals 61 provided on the back side of the housing body 22 is connected to each of the external connection portions 5 exposed on the back surface 1b of the first card C1 by being pressed.

  When the first card C1 is detached from the card connector 20, as shown in FIG. 5, the first card C1 is moved to the back side ((a) side) in a state where the first card C1 is mounted. Push. When the slider 40 moves slightly back together with the first card C1, the distal end portion 36b of the lock pin 36 is disengaged from the lock portion 41b of the groove cam 41, and the slider 40 is moved forward ((b ) Side). Then, the slider 40 returns to the initial position shown in FIG. 4, the first connection terminal 61 and the external connection portion 5 are separated, and the rear end portion of the first card C1 protrudes from the insertion port 29 by a predetermined distance. Stop in state.

  At this time, since the second temporary fixing convex portion 57a is fitted in the latching concave portion 8 on the right side of the first card C1, the first card C1 is temporarily fixed in the state shown in FIG. Inadvertent removal from the housing 21 will not occur. Then, when the first card C1 is removed, the fitting between the second temporary fixing convex portion 57a and the latching concave portion 8 is released, and the first card C1 can be taken out from the insertion port 29.

  The confirmation of whether or not the first card C1 is mounted in the normal posture is performed by monitoring whether or not each of the first connection terminals 61 is connected to the external connection unit 5 in the control unit. It is done in. For example, when any one of the plurality of external connection portions 5 provided in the first card C1 is short-circuited in the internal circuit of the card, the first connection terminal corresponding to the short-circuited external connection portion 5 By monitoring whether or not 61 is conducting, it can be confirmed whether or not the first card C1 is mounted in a normal position.

(Installation operation when the first card is inserted in the opposite direction)
FIG. 6 shows a state in which the first card C1 is inserted into the insertion slot 29 with the rear end 1d facing the back side ((a) side).

  Thin portions 7 are not formed on both sides of the rear end portion 1d of the first card C1, and the rear end portion 1d has a thickness dimension T1 over the entire width. Therefore, the rear corner curved surface 4 of the rear end portion 1d of the first card C1 comes into contact with the third contact portion 46 of the slider 40 shown in FIG. 9B. Since the first card C1 cannot be sufficiently inserted into the housing 21, it is easy for the user to recognize that it is an incorrect insertion operation at that time. In addition, when the first card C1 is pushed in from the state of FIG. 6, the slider 40 moves to the back side together with the card C1 to be in the locked state. Therefore, the user can easily understand that the insertion of the first card C1 is incorrect.

  Further, even when the first card C1 is inserted in the posture shown in FIG. 6, the first connection terminal 61 and the external connection portion 5 of the first card C1 do not come into contact with each other. It is not recognized that a card is installed.

  As shown in FIG. 6, when the first card C <b> 1 is inserted in the reverse direction and the rear corner curved surface 4 hits the third contact portion 46 of the slider 40, the second temporary fixing convex portion 57 a is It fits in the latching recessed part 8 currently formed in the 1st card | curd C1. Therefore, even if the first card C1 is erroneously inserted and pushed in as it is, the first card C1 can be temporarily fixed, and the first card C1 in the wrong direction is inadvertently provided from the housing 21. Can be prevented, and the probability of damage to the first card C1 can be reduced.

(Normal insertion of the second card)
As shown in FIG. 7, the second card C <b> 2 is inserted into the insertion slot 29 with the front end portion 11 c directed to the back side ((a) side) and the surface 11 a directed upward.

  The thin portion 17 formed on the right side portion 11e of the second card C2 enters the inside of the second restriction recess 45a of the slider 40, and the second front restriction protrusion 45b and the second rear restriction protrusion 45c. However, it enters into the guide groove 16 on the thin portion 17. And the thick front corner curved surface 13a formed in the right front of the 2nd card | curd C2 shown in FIG. 13 contact | abuts to the 2nd contact part 44 formed in the slider 40, and a 2nd card | curd after that. When C2 is pushed, the slider 40 can move to the back side ((a) side) together.

  Since the first temporary fixing convex portion 55 shown in FIG. 9 is located at the same height as the thin portion 17 of the second card C2, when the second card C2 is inserted, first, the right front The thin front corner curved surface 13b hits the first temporary fixing convex portion 55, and the movable member 50 rotates counterclockwise against the urging force of the leaf spring 52. When the second card C2 is further inserted, the right side portion 11e of the second card C2, that is, the side end surface of the thin portion slides on the first temporary fixing convex portion 55. Then, the thin front corner curved surface 13b on the right front side of the second card C2 hits the operation pressing portion 54 formed at the end portion on the (a) side of the movable member 50, and at the same time the first temporary fixing convex portion 55 is hooked. Fit into the stop recess 18.

  As described above, when the second card C2 is inserted, the thick front corner curved surface 13a on the right front comes into contact with the second contact portion 44 of the slider 40. Are not provided, and the operation pressing portion 54 substantially functions as the second contact portion, and after the thin front corner portion 13b hits the operation pressing portion 54, the second card C2 and the slider 40 are You may enable it to move to (a) side together.

  When the second card C2 is pushed from the state shown in FIG. 7, the slider 40 moves to the back side ((a) side) together with the second card C2. At this time, the operation pressing portion 54 of the movable member 50 is pushed by the thin front corner curved surface 13b on the right front side of the second card C2, and the turning force in the clockwise direction continues to act on the movable member 50. The first temporary fixing convex portion 55 formed in the step can maintain the state of being fitted to the hooking concave portion 18.

  As shown in FIGS. 9A and 9B, the second temporary fixing convex portion 57a is located at the same height as the right guide groove 16 of the second card C2, and therefore, as shown in FIG. In addition, while the second card C2 is inserted, the guide groove 16 slides on the second temporary fixing convex portion 57a, and no external force acts on the second temporary fixing convex portion 57a. Alternatively, even if the inner side surface 16a of the guide groove 16 slides against the second temporary fixing convex portion 57a, the insertion resistance at that time is slight.

  When the second card C2 is further pushed from the state shown in FIG. 7, the second card C2 and the slider 40 move together in the direction (a), and when the slider 40 reaches the position shown in FIG. The distal end portion 36b of the lock pin 36 engages with the lock portion 41b of the groove cam 41, and the slider 40 is locked.

  The lock position of the slider 40 shown in FIG. 8 is the same as the lock position shown in FIG. However, in the slider 40, since the second contact portion 44 is located on the near side ((b) side) with respect to the first contact portion 42, the external connection provided on the second card C2. The part 15 is not connected to the first connection terminal 61 in the housing 21, but is connected to the second connection terminal 63 located on the near side ((b) side).

  When the control unit detects that the external connection unit 15 is connected to the second connection terminal 63, for example, by detecting whether one of the second connection terminals 63 is short-circuited. It can be confirmed that the second card C2 is mounted.

  As shown in FIGS. 5 and 8, the rear end 1d when the first card C1 is normally attached is the rear end 11d when the second card C2 is normally attached. The position is the same.

  16 and 17 show a three-dimensional combination of the first card C1 and the second card C2, and the rear end 1d and the rear end 11d of the first card C1 and the second card C2. The left side portion 1f and the left side portion 11f are shown to match.

  In the card connector 20, the left side 1 f of the first card C 1 and the left side 11 f of the second card C 2 are both positioned and guided by the guide reference surface 27 b inside the left wall 27 of the housing body 22. The Therefore, as shown in FIGS. 16 and 17, the difference between the shape of the first card C1 and the shape of the second card C2 appears only on the right side. A first restricting portion 43, a second restricting portion 45, a first abutting portion 42, and a second abutting portion 44 are formed on the slider 40 in accordance with the difference in shape of the right side portion of each card. Accordingly, the first card C1 and the second card C2 having different shapes are positioned by only one slider 40 on the right side, and the respective cards are temporarily fixed, and both the cards are respectively fixed. It is designed to be mounted at an accurate position.

  When the second card C2 is about to be inserted into the insertion slot 29 in the reverse direction, the rear end portion 11d of the second card C2 is shown in FIGS. 9A and 9B. Since it hits the rear end regulating convex part 47 formed at the end on the near side, it is not inserted into the housing 21.

  In the card connector 20 of the above embodiment, the movable member 50 is rotatably supported by the slider 40, and the first temporary fixing convex portion 55 is formed on the movable member 50. The temporary fixing convex member 55 may be provided so as to protrude linearly in the left-right direction.

The perspective view which shows the card connector of embodiment of this invention, The perspective view which shows the state which inserted the 1st card | curd in the card connector, removing a cover body, The top view which shows the state where the card is not inserted in the card connector, removing the lid, The top view which shows the state which inserted the 1st card | curd in the card connector and was positioned by the slider, removing a cover body, A plan view showing the state in which the first card is inserted into the card connector and the slider is locked, with the lid removed; The top view which shows the state by which the 1st card was inserted in the card connector in the reverse direction back and forth, removing a lid, The top view which shows the state which inserted the 2nd card | curd in the card connector and was positioned by the slider, removing a cover body, A plan view showing the state in which the second card is inserted into the card connector and the slider is locked, with the lid removed, (A) (B) is a perspective view showing the shape of the left side of the slider provided in the card connector, A plan view of the first card, Left side view of the first card, The perspective view which shows the 1st card from the bottom, A plan view of the second card, (A) is a right side view of the second card, (B) is a left side view of the second card, The perspective view which shows the 2nd card from the bottom, A plan view showing the first card and the second card superimposed, A perspective view showing the first card and the second card in a three-dimensional manner,

Explanation of symbols

C1 1st card C2 2nd card 1 Case 1a Front surface 1b which is the first surface Back surface 1c which is the second surface Front end portion 1d Rear end portion 1e Right side portion 1f Left side portion 5 External connection portion 6 Guide groove 7 Thin wall Part 8 Latching recessed part 11 Case 11a First surface 11b Second surface 11c Front end 11d Rear end 11e Right side 11f Left side 13a Thick front corner curved surface 13b Thin front corner curved surface 15 External connection Portion 16 Guide groove 17 Thin wall portion 18 Locking recess 20 Card connector 21 Housing 22 Housing body 23 Cover body 23a Ceiling plate 27 Left wall 27a Guide reference surface 29 Insertion slot 35 Lock mechanism 36 Lock pin 40 Slider 41 Groove cam 42 1st contact part 43 1st regulation part 43a 1st regulation recessed part 43b 1st regulation convex part 44 2nd contact part 45 2nd regulation part 45a 2nd regulation recessed part 4 b 2nd front regulation convex part 45c 2nd back regulation convex part 46 3rd contact part 50 Movable member 52 Leaf spring 53 Opposite side surface 54 Operation press part 55 1st temporary fixing convex part 57 Leaf spring 57a 2nd Temporary fixing protrusion

Claims (8)

In a card connector having a casing on which a first card and a second card in which an electronic circuit is housed are selectively mounted,
The first card and the second card each have a front end portion directed in the insertion direction into the housing, a rear end portion facing away from the front end portion, and a pair of side portions extending along the insertion direction. And the width dimension, which is the distance dimension between the two side portions, is larger in the second card than in the first card, and at least one side of the first card and the second card. At least one side of each is formed with a thin portion extending rearward from the front end,
A first restricting recess and a second restricting recess located behind the first restricting recess are provided in the housing, and the second restricting recess is a thin wall of the second card. The width of the first restricting recess is set such that the thin portion of the first card enters and the thin portion of the second card does not enter ,
The first restricting convex portion that covers the thin portion of the first card that enters the first restricting concave portion, and the thin portion of the second card that enters the second restricting concave portion is the first restricting convex portion. A second restricting convex portion covering from the same side as the first restricting convex portion, and the projecting end surface of the second restricting convex portion is located on the side away from the center of the card from the protruding end surface of the first restricting convex portion. ,
A first abutting portion for determining a position in the insertion direction of the first card at a position where the thin portion of the first card enters the first restriction recess, and a thin portion of the second card. A card connector, comprising: a second contact portion that determines a position in the insertion direction of the second card at a position in the second restriction recess.   The card connector according to claim 1, wherein when the first card is positioned at the first contact portion, a part of the thin portion of the first card enters the second restriction recess. The step portion between the projecting end face of said first projecting end surface of the restricting protrusion portion and the second restricting convex portion is a second contact portion, the end portion of the thick portion of the second card The card connector according to claim 1, wherein the card connector is positioned in contact with the second contact portion.   3. The card connector according to claim 1, wherein the second abutting portion is provided inside the second restricting concave portion so that an end of the thin portion of the second card hits.   The movement of the first card in the width direction is restricted by the protruding end surface of the first restricting convex portion, and the movement of the second card in the width direction is restricted by the protruding end surface of the second restricting convex portion. The card connector according to any one of claims 1 to 4. In the housing, a slider that moves in the card insertion direction, a biasing member that biases the slider in the card ejection direction, and a lock mechanism that locks the slider moved in the insertion direction are provided.
The first restricting recess, the second restricting recess, the first restricting convex portion, the second restricting convex portion, the first contact portion, and the second contact portion are provided on the slider. Provided,
The slider includes a positioning convex portion that holds the first card in a state where the first card is positioned at the first contact portion, and the second card is the second contact portion. The card connector according to claim 1, further comprising a positioning convex portion that holds the second card in a state where the second card is positioned.   In the housing, there are a first connection terminal that comes into contact with an external connection portion provided on the first card, and a second connection terminal that comes into contact with an external connection portion provided on the second card. The card connector according to claim 1, wherein the card connector is provided.   The rear end portion of the first card mounted in the housing and the rear end portion of the second card mounted in the housing are in the same position. The card connector according to any one of the above.

Images