JP4340645B2 - Card connector device - Google Patents

Description

  The present invention relates to a card connector device to which a card having an information storage function is connected, and more particularly to a card connector device provided with a card ejection mechanism including a slide member.

  Conventionally, this type of card connector device has a configuration in which a plurality of terminal members are fixed to a base member of a housing in a predetermined arrangement, and a card discharge mechanism is provided on one side of the base member. (For example, refer to Patent Document 1). Here, the card discharge mechanism is a slide member that engages with the card inserted in the housing and can move in the card insertion / discharge direction, and a spring member that urges the slide member in the card discharge direction, The slide member is mainly composed of a slide pin that is movable along the heart-shaped cam groove provided on the upper surface side of the slide member, and the slide member is locked to the lock portion of the heart-shaped cam groove, so that the slide member is predetermined. It is designed to be held in position.

That is, in such a conventional card connector device, when the card is inserted into the housing from the card insertion slot, the front end portion of the card is engaged with the slide member arranged on the base member, and the card is spring-loaded. Since the slide member is pushed toward the back of the apparatus against the urging force of the member, the slide pin slides along the heart-shaped cam groove as the slide member moves. Since the sliding pin can be locked to the lock portion of the heart-shaped cam groove by inserting a predetermined amount of the card into the housing, the slide member can be stopped and the card can be held at a predetermined mounting position. In this mounting position, the external connection portion of the card comes into contact with the corresponding terminal member and is electrically connected. Also, when ejecting a card that has been installed, if the card held in the installation position is pushed in a small amount in the insertion direction (the back of the device), the sliding pin will disengage from the lock part of the heart-shaped cam groove. Since the slide member is unlocked, if the operation force for pushing the card is removed, the slide member moves to the front side of the apparatus by the biasing force of the spring member. As a result, the card is pushed back in the discharge direction (on the front side of the apparatus) by the slide member, and the card can be discharged to a predetermined discharge position.
Japanese Patent Laying-Open No. 2003-22870 (page 4, FIG. 1)

  In recent years, devices such as mobile phones in which this type of card connector device is incorporated tend to be miniaturized, and accordingly, a smaller and thinner card connector device is desired. However, in the card connector device provided with the card ejection mechanism as described above, the bottom plate portion of the base member needs to have a required plate thickness even in a thin portion, and is suitable for a slide member having a heart-shaped cam groove. Therefore, in the conventional card connector device configured by arranging the slide member on the bottom plate portion, it has been difficult to realize a significant reduction in thickness.

  The present invention has been made in view of the situation of the prior art as described above, and an object of the present invention is to provide a card connector device suitable for thickness reduction.

  In order to achieve the above object, the present invention provides a base member into which the card is inserted and discharged along the upper surface of the bottom plate portion on which the card is mounted, and the card is electrically connected to the base member. A plurality of terminal members connected to the card, a slide member that engages with the card and is movable in the card insertion / ejection direction, and a spring member that biases the slide member in the card ejection direction. A heart-shaped cam groove is provided on the upper surface side of the slide member, and a sliding pin that engages with the heart-shaped cam groove is supported by the base member, and the slide member, the spring member, and the In the card connector device in which the card ejection mechanism is configured by the slide pin, the slide member is formed by projecting a region including at least the deepest portion of the heart-shaped cam groove downward. Provided with a downward projecting portion, and configured to provide a relief hole for movably immerses the downward projecting portion in the insertion-discharge direction of the card to the bottom plate portion.

  According to the card connector device configured as described above, the downward projecting portion of the slide member enters the escape hole provided in the bottom plate portion of the base member, and even if the slide member moves in the card insertion / ejection direction. Since the downward projecting portion can be moved in the same direction while being immersed in the escape hole, the projecting height of the slide member projecting on the bottom plate portion of the base member as compared with the entire thickness of the slide member Can be lowered by a depth corresponding to the depth at which the downward protrusion is immersed in the escape hole. Therefore, thinning of the card connector device can be promoted while ensuring required thicknesses for the bottom plate portion and the slide member.

  In the above configuration, the inner wall of the escape hole extends along the insertion / ejection direction of the card, and the movement of the slide member is caused by restricting the position of the downward projecting portion by the inner wall. It is preferable that the clearance hole serves as a guide groove that guides the movement of the slide member, so that the configuration of the card discharge mechanism can be simplified.

  In the above configuration, the escape hole may be a concave groove or the like provided on the upper surface side of the bottom plate portion, but the escape hole is formed in a long hole shape penetrating the bottom plate portion in the plate thickness direction. In this case, the downward projecting portion of the slide member can be deeply immersed into the escape hole of the bottom plate portion, and therefore, the thinning of the entire device can be further facilitated, which is preferable. In this case, if the lower surface of the downward projecting portion of the slide member is disposed in substantially the same plane as the lower surface of the bottom plate portion of the base member, the projecting height of the slide member projecting on the bottom plate portion is set to the height of the slide member. Since the thickness of the bottom plate portion can be reduced as compared with the entire thickness, the entire apparatus can be greatly reduced in thickness.

  In the card connector device according to the present invention, since the downward projecting portion of the slide member is immersed in the relief hole provided in the bottom plate portion of the base member, the protruding height of the slide member projecting on the bottom plate portion of the base member is suppressed. Therefore, it is possible to promote a reduction in the thickness of the card connector device while ensuring a required thickness for each of the bottom plate portion and the slide member.

  FIG. 1 is an external view of a card connector device according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of the card connector device, and FIG. 2 is a perspective view of the base member and the terminal member shown in FIG. 2 as viewed from below, FIG. 4 is a development view of a heart-shaped cam groove provided on the slide member of the card connector device, and FIGS. FIG. 5 to 10, the card is not shown, but FIG. 5 is a plan view showing the standby state of the slide member, FIG. 6 is a cross-sectional view taken along line VI-VI in FIG. 5, and FIG. FIG. 8 is a sectional view taken along line VIII-VIII in FIG. 7, FIG. 9 is a plan view showing an overstroke state of the slide member, and FIG. 10 is a sectional view taken along line XX in FIG. It is.

  As shown in these drawings, the card connector device according to this embodiment includes a card receiver 3 in which a plurality of terminal members 1 are fixed to a base member 2 made of synthetic resin, and an upper opening of the base member 2. A sheet metal cover member 4 that covers the card member and a card discharge mechanism 5 provided on one side of the base member 2, and the base member 2 is closed by the cover member 4 to form a housing 6. Has been.

  The base member 2 is a molded product formed by inserting a plurality of terminal members 1 in a mold, and by embedding predetermined portions other than both ends of each terminal member 1 in the bottom plate portion 2a of the base member 2. A card receiver 3 is constructed. Each terminal member 1 has a contact portion 1a whose one end can contact an external connection portion (not shown) on the lower surface side of the card 20 (see FIG. 1), and the other end is soldered to a printed circuit board (not shown). The terminal portion 1b is provided. The bottom plate portion 2a of the base member 2 is formed to be thin at one side portion where the card discharge mechanism 5 exists, and a long hole-like shape in which a downward projecting portion 9c of a slide member 9 described later is disposed on this one side portion. A relief hole 2b is formed. As shown in FIGS. 2 and 3, the inner wall 2c of the escape hole 2b extends linearly from the front side of the apparatus to the back side. Further, a card storage portion 7 for arranging the card 20 is defined between the bottom plate portion 2 a and the cover member 4. The front side of the card storage portion 7 is an open end. When the cover member 4 is attached to the base member 2 to form the housing 6, the open end becomes the card insertion slot 8. In addition, the contact part 1a of each terminal member 1 protrudes a little above the upper surface of the bottom plate part 2a on which the card 20 is mounted, and can come into contact with the lower surface of the card 20 inserted into the card storage part 7. Yes.

  The cover member 4 is formed by pressing a metal plate such as stainless steel. The cover member 4 is formed with bent pieces 4b on both the left and right sides and the rear end except for the front end of the flat plate portion 4a. A pressing piece 4c is formed on the back side. The cover member 4 is attached by fixing each bent piece 4b to the base member 2 by means such as snap coupling or caulking, and the flat plate portion 4a is disposed above the bottom plate portion 2a to provide a card storage portion 7. Covers the top opening.

  The card discharge mechanism 5 includes a slide member 9, a coil spring 10, and a slide pin 11, and these members are disposed on the side of the card storage portion 7. The slide member 9 is made of a synthetic resin material, and protrudes toward the card storage portion 7 so as to be engaged with the front end portion 20a of the card 20, and an extension portion 9b extending along the insertion / discharge direction of the card 20. A heart-shaped cam groove 12 to be described later is formed in the inner bottom portion on the back side of the extending portion 9b. As shown in FIGS. 6, 8, and 10, the slide member 9 has a downward protruding portion 9 c in which a region including the deepest portion of the heart-shaped cam groove 12 protrudes downward, and the downward protruding portion 9 c is a base member. The bottom surface of the downward projecting portion 9c is arranged in substantially the same plane as the bottom surface of the bottom plate portion 2a. The slide member 9 is supported by the base member 2 so as to be able to move in the insertion / ejection direction of the card 20, and when the slide member 9 is reciprocated, the downward projecting portion 9c is in the same direction within the elongated hole 2b. Move to. At that time, the inner wall 2c of the escape hole 2b extending along the insertion / ejection direction of the card 20 guides the movement of the downward projecting portion 9c, so that the slide member 9 smoothly reciprocates using the escape hole 2b as a guide groove. Can be made. Further, the coil spring 10 is interposed between the inner wall surface 2 d on the back side of the base member 2 and the receiving surface 9 d of the slide member 9, and the slide member 9 is moved to the front side of the apparatus by the elastic force of the coil spring 10. It is energized. The sliding pin 11 is a metal pin member, one end portion 11a of which is engaged with the heart-shaped cam groove 12, and the other end portion 11b swings on a wall portion in the vicinity of the inner wall surface 2d of the base member 2. It is supported freely. The pressing piece 4c formed on the flat plate portion 4a of the cover member 4 is in elastic contact with the sliding pin 11, and the sliding pin 11 is urged against the inner bottom surface of the heart-shaped cam groove 12 by the pressing piece 4c. .

  As shown in FIGS. 5, 7, and 9, the heart-shaped cam groove 12 has an outward path 12a, a return path 12b, and a lock portion 12c. As shown in the developed view of FIG. 4, the heart-shaped cam groove 12 is formed with 10 kinds of continuous cam surfaces A to J, and the cam surface A to the cam surface D constitute the forward path 12a, The surface E and the cam surfaces F and G constitute the lock portion 12c, and the cam surface H to the cam surface J constitute the return path 12b.

  A card 20 used in the card connector device has a rectangular shape in plan view as shown in FIG. 1, and an external connection portion (not shown) corresponding to each terminal member 1 is provided in a predetermined arrangement on the lower surface side thereof. It has been. The card 20 is inserted into the card storage portion 7 from the front end portion 20a side, and the front end portion 20a comes into contact with the receiving portion 9a of the slide member 9 when a predetermined amount is inserted.

  Next, the operation of the card connector device described above will be described.

  In a standby state before the card 20 is inserted into the card connector device, as shown in FIGS. 5 and 6, one end portion 11a of the sliding pin 11 is the innermost portion of the forward path 12a of the heart-shaped cam groove 12 (cam surface). The slide member 9 is held on the near side of the base member 2 by the biasing force of the coil spring 10.

  When the card 20 is inserted into the card insertion slot 8 and pushed into the card storage portion 7 from this state, the front end portion 20a of the card 20 comes into contact with the receiving portion 9a of the slide member 9 and pushes the receiving portion 9a. The slide member 9 moves to the back side of the device against the biasing force of the coil spring 10, and accordingly, the one end portion 11 a of the slide pin 11 is relatively forward along the forward path 12 a of the heart-shaped cam groove 12. Move to. When the card 20 is further pushed in and the one end portion 11a of the sliding pin 11 reaches the foremost portion of the forward path 12a of the heart-shaped cam groove 12 (the front end portion of the cam surface D), the further movement of the slide member 9 is slid. Although it is regulated by the moving pin 11, if the pushing force to the card 20 is removed here, the slide member 9 is slightly returned to the front side of the apparatus by the urging force of the coil spring 10. Thus, the one end portion 11 a of the sliding pin 11 is locked to the lock portion 12 c (the rear end portion of the cam surface E) of the heart-shaped cam groove 12. As a result, the slide member 9 is locked and the card 20 is held in a predetermined mounting position, and the external connection portion of the card 20 contacts the contact portion 1a of the corresponding terminal member 1 at this mounting position. The electrical connection between the card 20 and each terminal member 1 can be maintained.

  Further, when the inserted card 20 is ejected, if the card 20 held at a predetermined mounting position is pushed a little toward the back of the apparatus (in the card insertion direction), as shown in FIG. 9 and FIG. One end portion 11a of the pin 11 is detached from the lock portion 12c of the heart-shaped cam groove 12 and moves to the cam surface H of the return path 12b, and the slide member 9 is unlocked. Accordingly, when the pushing force on the card 20 is removed, the slide member 9 is urged by the coil spring 10 and moves toward the front side of the apparatus (in the card ejection direction), and accordingly, one end 11a of the slide pin 11 is a heart-shaped cam. While moving relatively back along the return path 12b of the groove 12, the receiving portion 9a of the slide member 9 pushes the front end portion 20a of the card 20 toward the front side of the apparatus. As a result, the one end portion 11a of the sliding pin 11 returns to the cam surface A of the heart-shaped cam groove 12, and the card 20 in the card storage portion 7 moves to the front side of the apparatus and is discharged from the card insertion slot 8.

  As described above, in the card connector device according to this embodiment, the downward projecting portion 9c of the slide member 9 is immersed in the long hole-like escape hole 2b provided in the bottom plate portion 2a of the base member 2, and the slide member 9 Is moved in the insertion / ejection direction of the card 20, the downward projecting portion 9 c moves in the same direction while being immersed in the escape hole 2 b, so that the bottom plate portion of the base member 2 is compared with the entire thickness of the slide member 9. The protruding height of the slide member 9 protruding above 2a is lowered by the depth that the downward protruding portion 9c is immersed in the escape hole 2b. In particular, in the case of the present embodiment example, the lower surface of the downward projecting portion 9c is arranged in substantially the same plane as the lower surface of the bottom plate portion 2a, so that the projecting height of the slide member 9 projecting on the bottom plate portion 2a is Compared to the overall thickness of the slide member 9, the thickness is lower by the thickness of the bottom plate portion 2a. Therefore, even if the required thickness is ensured for the bottom plate portion 2a and the slide member 9, the card connector device can greatly reduce the height dimension and facilitate the thinning.

  Further, in this card connector device, when the slide member 9 reciprocates in the insertion / ejection direction of the card 20, the position of the downward projecting portion 9c is regulated by the inner wall 2c of the escape hole 2b to guide the escape hole 2b. Since it can function as a groove, the slide member 9 can be smoothly reciprocated without complicating the configuration of the card discharge mechanism 5.

  In the embodiment described above, the escape hole 2b is a through hole penetrating the bottom plate portion 2a of the base member 2 in the thickness direction. However, the relief hole 2b is a recess provided on the upper surface side of the bottom plate portion 2a. It may be a groove.

1 is an external view of a card connector device according to an embodiment of the present invention. It is a disassembled perspective view of this card connector apparatus. It is the perspective view which looked at the base member and terminal member which were shown in FIG. 2 from the downward direction. FIG. 4 is a development view of a heart-shaped cam groove provided on a slide member of the card connector device. It is operation | movement explanatory drawing which shows the standby state of this slide member. It is sectional drawing which follows the VI-VI line of FIG. It is operation | movement explanatory drawing which shows the locked state of this slide member. It is sectional drawing which follows the VIII-VIII line of FIG. It is operation | movement explanatory drawing which shows the overstroke state of this slide member. It is sectional drawing which follows the XX line of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Terminal member 2 Base member 2a Bottom plate part 2b Escape hole 2c Inner side wall 4 Cover member 5 Card discharge mechanism 9 Slide member 9c Lower protrusion part 10 Coil spring (spring member)
11 Slide pin 12 Heart-shaped cam groove 12c Lock part 20 Card

Claims (4)

A base member into which the card is inserted and ejected along the upper surface of the bottom plate portion on which the card is mounted; a plurality of terminal members fixed to the base member and electrically connected to the card; and A slide member that can be engaged and moved in the card insertion / ejection direction; and a spring member that biases the slide member in the card ejection direction, and a heart-shaped cam groove is formed on the upper surface side of the slide member. A card ejecting mechanism comprising a slide pin engaging with the heart-shaped cam groove and supported by the base member, and a card discharge mechanism configured by the slide member, the spring member, and the slide pin; A connector device,
The slide member is provided with a downward projecting portion formed by projecting a region including at least the deepest portion of the heart-shaped cam groove downward, and the bottom projecting portion is movable in the card insertion / ejection direction. A card connector device comprising a relief hole for immersion.   The inner wall of the escape hole extends in the insertion / ejection direction of the card, and the escape hole is formed on the slide member by restricting the position of the downward projecting portion with the inner wall. A card connector device configured to guide the movement.   3. The card connector device according to claim 1, wherein the escape hole penetrates the bottom plate portion in a plate thickness direction.   4. The card connector device according to claim 3, wherein a lower surface of the downward projecting portion of the slide member is disposed in substantially the same plane as a lower surface of the bottom plate portion.

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