JP4118633B2 - Card connector - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a card connector including a card attaching / detaching mechanism for attaching / detaching a card in which an electronic circuit is incorporated.
[0002]
[Prior art]
In electronic devices such as mobile phones, a SIM (subscriber identity module) card, an MMC (multi media card) card (trademark), and an SD (secure digital) card that incorporate a central processing unit (CPU) or an integrated circuit for memory Various functions are expanded by attaching an IC card such as a Memory Stick (trademark) to each device via a card connector.
[0003]
For example, as disclosed in Japanese Patent Application Laid-Open No. 2001-357931, the card connector includes an ejection mechanism for attaching and detaching the IC card to and from the card and an undesired protrusion of the card mounted in the card. In order to avoid this, a lock / unlock mechanism (card drop prevention mechanism) for holding or releasing the IC card is provided. Further, since such a card connector is required to be further miniaturized in response to miniaturization of electronic devices and IC cards to be mounted, miniaturization and simplification of the eject mechanism and the lock / unlock mechanism are also demanded. The Rukoto.
[0004]
The lock / unlock mechanism is formed with an elastic lock piece having one end fixed to an eject member in the eject mechanism and having an engaging portion that engages with a notch portion as an engaged portion of the IC card, and an outer portion of the accommodating portion And a guide piece that is provided on the back surface side of the metal cover and that forcibly separates the engaging portion of the elastic lock piece from the cutout portion of the IC card in accordance with the movement of the eject member.
[0005]
In such a configuration, when the IC card is mounted in the housing portion of the card connector, the tip portion of the IC card is inserted into the housing portion and then unidirectionally applied by a biasing member such as a coil spring. It is pushed to a predetermined position together with the eject member urged by. At that time, since the distal end portion of the elastic lock piece in the lock / unlock mechanism is initially engaged with the guide piece, the engaging portion of the elastic lock piece is separated from the cutout portion of the IC card and is in a standby state. The
[0006]
Next, when the tip of the IC card is further pushed together with the eject member, the tip of the elastic lock piece is disengaged from the guide piece. It is displaced by force and engages with the cutout portion of the IC card.
As a result, the IC card is held in the housing portion by the eject member, and is held by the eject member by engagement with the engaging portion of the elastic lock piece.
[0007]
On the other hand, when the IC card is removed from the card connector housing, the IC card is moved in the direction of removal by the eject mechanism. At that time, the IC card is moved together with the ejecting member to a predetermined position by engagement with the engaging portion of the elastic lock piece, and then the tip of the elastic lock piece is engaged with the above-described guide piece, The locking portion of the elastic lock piece is separated from the cutout portion of the IC card. Therefore, the IC card is removed from the accommodating portion of the card connector by being pushed together with the eject member in the ejecting direction.
[0008]
[Problems to be solved by the invention]
In the card connector having the lock / unlock mechanism (card drop prevention mechanism) as described above, an elastic lock piece fixed to the eject member and a guide piece in the metal cover are required. There is a limit to simplifying the structure and reducing the size of the eject member and the space occupied by the eject member in the card connector.
[0009]
In consideration of the above problems, the present invention is a card connector including a card attaching / detaching mechanism for attaching / detaching a card in which an electronic circuit is incorporated, and the structure of the lock / unlock mechanism can be simplified. And it aims at providing the connector for cards which can make the space occupied by an ejection member smaller.
[0010]
[Means for Solving the Problems]
  In order to achieve the above-described object, a card connector according to the present invention detachably accommodates a card having an engaged portion on a side surface, and has a card accommodating portion having a contact terminal for electrical connection to the card. And adjacent to the card compartmentAt the positionIt is arranged so as to be movable along the direction of attaching and detaching the card, and is arranged so as to be rotatable, and is attached to one end of the card inserted into the card housingA card abutting portion that abuts and receives a card, and a claw portion that is formed at an end connected to the card abutting portion and is engaged or disengaged with an engaged portion of the card.An eject member;A first guide pin and a second guide pin that are formed on the lower surface of the eject member at predetermined intervals along the card attaching / detaching direction, and a bottom part of the card housing portion, and the first guide pin is attached to and detached from the card. A first guide hole that guides along the direction, and an enlarged portion that extends to the side of the long hole and the side wall that forms the card accommodating portion, and is connected to the end of the long hole. A second guide hole for guiding along the card mounting / removing direction;An urging member for urging the eject member along the direction of attaching and detaching the card;When the card is ejected, the guide that guides the claw portion of the eject member from the engaged state to the disengaged state with respect to the engaged portion of the card after contacting the end of the ejected member that has been moved. And comprising a wall.
[0012]
  The eject member may be connected to a cam mechanism portion that selectively holds the card in the accommodating portion in accordance with the card attaching / detaching operation.
[0013]
  When the second guide pin is guided by the inclined portion of the enlarged portion of the second guide hole, the eject member starts to rotate due to the rotational moment around the first guide pin based on the biasing force of the biasing member. It may be a thing.
[0014]
  The card may be a thin memory card having a chamfered portion engaged at the card abutting portion of the eject member at the tip portion.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 8 shows an example of a card connector according to the present invention together with a thin memory card.
In FIG. 8, a card connector 10 includes an electrode portion of a thin memory card 16 detachably housed in a housing portion thereof, and a connection terminal portion of a substrate for signal input / output disposed inside a predetermined electronic device. Are to be electrically connected. The card connector 10 is disposed inside an electronic device such as a mobile phone, a telephone, a PDA, or a camera.
[0017]
A plate-shaped thin memory card 16 such as a Memory Stick (trademark) has a front surface portion 16F and a back surface portion 16B which are opposed to each other as shown in FIGS. 4 and 5, for example. The card 16 has a chamfered portion 16a at the corner of the tip. The external dimension (mm) of the thin memory card 16 is set to 20 (width) × 1.6 (height) × 31 (length), for example.
[0018]
In the back surface portion 16B of the thin memory card 16, a relatively shallow cutout portion 16b is formed in a side surface portion adjacent to the chamfered portion 16a to engage a claw portion of an eject member described later. In addition, the tip portion adjacent to the chamfered portion 16a is provided with a relief portion 16c that is formed thinner than the thickness of other portions in order to avoid interference with a projection portion described later.
[0019]
A plurality of recesses 16g are arranged and formed substantially parallel to the long sides of the thin memory card 16 at the front end portion of the back surface portion 16B at a position spaced from the escape portion 16c toward the center. Contact pads 16p as electrode portions are disposed on the bottom surfaces of the respective recesses 16g. The configuration of the contact pad 16p is, for example, a 10-pin system. The adjacent recesses 16g are partitioned at equal intervals by an elongated partition wall 16w having a predetermined height smaller than the plate thickness of the thin memory card 16. Therefore, the electrode group EL composed of the plurality of contact pads 16p is formed on the back surface portion 16B of the thin memory card 16 at a position deviated in one direction with respect to the center line C in FIG.
[0020]
On the other hand, as shown in FIG. 8, the card connector 10 includes a housing member 14 having an accommodating portion 20 that detachably accommodates the thin memory card 16 and a cover member 12 that covers the entire housing member 14. It is configured.
[0021]
The cover member 12 having a rectangular cross-sectional shape is formed of a thin metal material. Although not shown in the drawings, both side surface portions of the cover member 12 are provided with engagement holes, which are respectively engaged with the claw portions of the housing member 14 described later, corresponding to the claw portions. Flange portions that are fixed to the substrate are integrally provided at positions in the vicinity of the engagement holes.
[0022]
Therefore, the cover member 12 is fixed to the housing member 14 by engaging the respective engagement holes with the claw portions of the housing member 14.
[0023]
As shown in FIG. 8, the housing part 14 in the housing member 14 has an upper part and a part of the lower part, and an end part opposite to a contact terminal fixing part side described later. Therefore, when the housing member 14 is covered with the cover member 12 described above, a slot into which the thin memory card 16 is inserted is formed at one end of the accommodating portion 20.
[0024]
The housing member 14 is integrally molded with a molded resin material, for example. The housing member 14 is a contact terminal fixing wall in which side walls 14WR and 14WL that respectively form both sides of the accommodating portion 20 in which the thin memory card 16 is detachably accommodated, and contact terminals 22ai (i = 1 to 10) are arranged. Part WF.
[0025]
Claw portions 14Ra and 14Rb are formed on the outer surfaces of the side wall 14WR and the side wall 14WL, respectively.
[0026]
As shown in FIG. 9, an opening 14 </ b> H is formed substantially at the bottom at the bottom continuous with the side walls 14 </ b> WR and 14 </ b> WL.
[0027]
The contact terminal fixing wall portion 14WF of the housing member 14 is provided with a plurality of contact terminals 22ai (i = 1 to 10). For example, the ten contact terminals 22ai are arranged substantially parallel to the side walls 14WR and 14WL at a predetermined mutual interval.
[0028]
The contact terminals 22ai are elastic and have contact portions 22A that are in contact with and electrically connected to the contact pads 16p of the thin memory card 16, and solder terminal portions that are soldered and fixed to the electrode portions of the substrate. 22C, the contact portion 22A and the soldered terminal portion 22C are connected to each other and include a fixed portion fixed to the housing member 14.
[0029]
The contact terminal 22ai made of a sheet metal material, for example, phosphor bronze for a spring, is formed by pressing, and then its surface is subjected to gold plating.
[0030]
Although the illustration of the fixing portion of the contact terminal 22ai is omitted, the insertion direction of the thin memory card is opposite to the groove formed in the contact terminal fixing wall portion 14WF through the through hole formed in the contact terminal fixing wall portion 14WF. The housing member 14 is fixed by being press-fitted from the direction side.
[0031]
Guide wall portions 14Gi (i = 1 to 10) formed integrally with the housing member 14 are formed around the contact portions 22A of the contact terminals 22ai protruding into the housing portion 20 of the housing member 14, respectively. Yes. As shown in FIG. 8, each guide wall portion 14Gi as a partition wall portion has a vertical wall facing both side surfaces of the contact portion 22A of the contact terminal 22ai and extending substantially parallel to the side wall 14WR, and one end of each vertical wall. It is comprised from the horizontal wall which connects. The distance between the vertical walls is set so that the concave portion 16g of the thin memory card 16 is engaged. Accordingly, the plurality of lateral walls corresponding to each contact terminal 22ai are arranged in a line on the same straight line, that is, formed in a common plane intersecting the side wall 14WR.
[0032]
Between the guide wall portions 14Gi of the adjacent contact terminals 22ai, gaps are formed through which the partition walls 16w of the thin memory card 16 can pass.
[0033]
As a result, when the thin memory card 16 is inserted into the accommodating portion 20 in the normal direction, each partition wall 16w of the thin memory card 16 is guided by each guide wall portion 14Gi, and the contact portion 22A of the contact terminal 22ai is The contact pad 16p is pushed down.
[0034]
In FIG. 8, the protruding pieces 14P are provided substantially parallel to each other at a position separated from the leftmost guide wall 14Gi by a predetermined distance. The predetermined distance is set, for example, so as to coincide with the distance between the relief portion 16c and the recess portion 16g of the thin memory card 16.
[0035]
One end of the protruding piece 14P is coupled to the inner peripheral surface of the contact terminal fixing wall portion 14WF. The length along the side wall 14WR of the protruding piece 14P is set equal to the entire length of the guide wall portion 14Gi. Therefore, the other end of the projecting piece 14P is formed in a common plane with the lateral wall 14gb of the guide wall portion 14Gi.
[0036]
The height from the bottom surface of the protruding piece 14P is, for example, about 0.6 mm, and is set to a value smaller than the depth of the escape portion 16c of the thin memory card 16, and from the height of the guide wall portion 14Gi. Is also set to a smaller value.
[0037]
In such a configuration, when the leading end portion of the thin memory card 16 is in a proper insertion state, for example, when the chamfered portion 16a is in the protruding piece 14P side, the leading end portion of the thin memory card 16 has its escape portion 16c. Therefore, the partition 16w can be inserted without interfering with the projecting piece 14P, and the contact pad 16p can reach the position of the contact portion 22A of the contact terminal 22ai.
[0038]
On the other hand, when the leading end portion of the thin memory card 16 is in the wrong insertion state, that is, when the chamfered portion 16a is on the side facing the position of the protruding piece 14P, a plurality of leading end portions of the thin memory card 16 are provided. Therefore, the insertion operation of the leading end portion of the thin memory card 16 is restricted in the middle of the guide wall 14Gi and the projecting piece 14P.
[0039]
As a result, erroneous insertion of the leading end of the thin memory card 16 is recognized, and erroneous insertion of the leading end of the thin memory card 16 is restricted.
[0040]
An inner side portion of the side wall 14WL is provided with an ejection mechanism that selectively includes a lock / unlock mechanism that discharges the thin memory card 16 from the storage unit 20 and restricts the undesired pop-out of the thin memory card 16. Yes.
[0041]
As shown in FIGS. 8 and 9, the eject mechanism includes a substantially L-shaped ejector member 24 that is rotatably supported while moving relative to the housing member 14 and engages with the thin memory card 16. A coil spring 26 that is interposed between the housing member 14 and the ejector member 24 and biases the ejector member 24 in the ejection direction of the thin memory card 16 and a cam that selectively holds or releases the ejector member 24 with respect to the housing member 14. In addition, it includes a mechanism unit and a lock / unlock mechanism unit that controls the ejection member 24 to be locked or unlocked with respect to the thin memory card 16.
[0042]
One end of the nickel-plated coil spring 26 is supported by the housing member 14 as shown in FIG. 8, and the other end of the coil spring 26 is connected to the spring receiving portion 24 s of the ejector member 24.
[0043]
The ejector member 24 is formed of, for example, a resin material as shown in an enlarged manner in FIG. A curved chamfered portion 16a of the thin memory card 16 inserted in one end portion of the ejector member 24 guided by the peripheral edges of the guide holes 14E and 14F formed in the bottom portion of the housing member 14 near the contact terminal fixing wall portion 14WF. An inclined surface portion 24B that engages is formed on the accommodating portion 20 side. On the other hand, the substantially V-shaped other end portion of the ejector member 24 is formed with a through hole 24h to which a cam lever described later is connected. A claw portion 24N that selectively engages with the cutout portion 16b of the thin memory card 16 is formed on the inner side of the accommodating portion 20 at the other end portion of the ejector member 24. The claw portion 24N is formed corresponding to the cutout portion 16b of the thin memory card 16 to be inserted.
[0044]
Further, as shown in FIG. 9, the lower surface of the ejector member 24 that is slidably contacted with the bottom of the housing member 14 has guide pins 24Pa at predetermined intervals corresponding to the guide holes 14E and 14F of the housing member 14. And 24Pb are formed. The guide pin 24Pa is formed in a region facing the inclined surface portion 24B on the lower surface portion. The guide pin 24Pb is formed in a region facing the claw portion 24N on the lower surface portion. The guide pins 24Pa and 24Pb are movably inserted into the guide holes 14E and 14F of the housing member 14, respectively. The guide hole 14 </ b> E has a predetermined length and is a long hole extending along the direction in which the thin memory card 16 is attached / detached. The guide holes 14F formed adjacent to the slot side so as to be aligned with the guide holes 14E are a long hole portion 14fa having a predetermined length, and gradually from the end of the long hole portion 14fa to the side wall 14WL side. And an enlarged portion 14fb having an opening that is enlarged and widened. The side wall 14WL side of the enlarged portion 14fb is connected to the long hole portion 14fa via an inclined portion. At that time, as shown in FIG. 11 in an enlarged manner, the guide pin 24Pb is coil coil 26 as shown in FIGS. 8 and 9 in a state where the thin memory card 16 is not in contact with the ejector member 24. It is urged | biased by the linear part of expansion part 14fb by the component of the urging | biasing force.
[0045]
Therefore, when the ejector member 24 is advanced toward the contact terminal fixing wall portion 14WF in the accommodating portion 20, the guide pin 24Pa is guided and moved linearly around the periphery of the guide hole 14E, while the guide pin 24Pb is Since the ejector member 24 is guided by the peripheral edge of the guide hole 14F and moves forward, the guide pin 24Pb moves from the enlarged portion 14fb to the long hole portion 14fa, and the arrow in FIG. 8 moves toward the contact terminal fixing wall portion 14WF. The guide pin 24Pa is rotated around the guide pin 24Pa in the direction indicated by L, that is, in the counterclockwise direction. Accordingly, the claw portion 24N of the ejector member 24 comes close to the side surface of the thin memory card 16 to be inserted.
[0046]
As shown in an enlarged view in FIG. 11, the cam mechanism section includes a substantially heart-shaped cam element (heart cam) 30 formed on the inner side of the side wall 14 WL on the aforementioned slot side, and a plurality of cam mechanisms formed around the heart cam 30. A lever guide groove 32 having a step portion, a staple needle-shaped cam lever 34 having one end connected to the through hole 24h of the eject member 24 and the other end slid along the lever guide groove, The cam lever 34 includes a cam pressing member (not shown) that biases the bent tip of the cam lever 34 against the guide surfaces of the plurality of lever guide grooves.
[0047]
The heart cam 30 formed of resin has a substantially V-shaped cam surface 30a in which one end portion of the cam lever 34 is selectively engaged with a portion facing the substantially V-shaped end portion 24E of the eject member 24. ing.
[0048]
The lever guide groove 32 formed of resin includes a first guide groove 32G1 linearly extending along one side of the heart cam 30 along the side wall 14WL, and a first guide groove 32G1 on the other side of the heart cam 30. Of the second guide groove 32G2 extending in parallel to the first guide groove 32G1 and the first guide groove 32G1 facing the cam surface 30a after extending obliquely toward the side wall 14WL so as to branch from the middle of the first guide groove 32G1 A third guide groove 32G3 is formed between one end and one end of the second guide groove 32G2 to connect a portion facing the cam surface 30a.
[0049]
The average depth of the first guide groove 32G1 is set larger than the average depth of the second guide groove 32G2. The depth of the portion of the first guide groove 32G1 that intersects with one end of the second guide groove 32G2 is set to be the deepest. Accordingly, a step portion is formed at the intersection of the first guide groove 32G1 and one end of the second guide groove 32G2.
[0050]
In addition, between the end of the first guide groove 32G1 on the one end side of the third guide groove 32G3 and one end of the guide groove 32G1, the depth of one end of the guide groove 32G3 is the first guide groove 32G1. It is set to be deeper than the depth. Accordingly, a step portion is formed at the boundary portion between the end portion of the first guide groove 32G1 on one end side of the third guide groove 32G3 and the one end of the guide groove 32G3.
[0051]
Further, the depth of one end of the guide groove 32G2 between the end portion on the one end side of the second guide groove 32G2 and the one end of the guide groove 32G2 in the third guide groove 32G3 is the third guide groove 32G3. It is set to be deeper than the depth. Accordingly, a step portion is formed at the boundary portion between the end portion of the second guide groove 32G2 on the one end side of the third guide groove 32G3 and the one end of the guide groove 32G2.
[0052]
As a result, the one end of the cam lever 34 follows the operation of the eject member 24 and follows the direction indicated by the arrow shown in FIG. 11 in the first guide groove 32G1, the third guide groove 32G3, and the second guide. It will be guided through the groove 32G2 sequentially.
[0053]
A guide wall 38 is formed on the side of the enlarged portion 14fb from the portion where the lever guide groove 32 is formed, and the end portion 24E of the eject member 24 slides and is guided when the end portion 24E of the eject member 24 is retracted. ing. The guide wall 38 includes a flat portion formed so as to extend in a direction substantially orthogonal to the moving direction of the eject member 24 and a slope portion connected to the flat portion. The slope portion is formed with a predetermined slope that rises to the right so as to rotate the end portion 24E of the eject member 24 in the direction indicated by the arrow UL shown in FIG.
[0054]
Therefore, the lock / unlock mechanism for restricting undesired pop-out of the thin memory card 16 includes an eject member 24 that constitutes a part of the eject mechanism, a coil spring 26, guide holes 14E and 14F in the housing member 14, It will be formed from.
[0055]
In such a configuration, when the thin memory card 16 is mounted, first, when the thin memory card 16 is inserted into the accommodating portion 20 through the slot, as shown in FIG. 11, the end 24E of the eject member 24 is guided by the guide wall. As shown in FIGS. 6, 8, and 7, the chamfered portion 16 a comes into contact with the inclined surface portion 24 </ b> B of the ejector member 24 from the state separated from the inclined surface portion of the 38, so that the eject member 24 is guided by It is rotated by a rotational moment centered at 24 Pa and starts moving forward.
[0056]
Next, when the thin memory card 16 is further pressed against the urging force of the coil spring 26 together with the eject member 24, the eject member 24 is separated from the guide wall 38 as shown in FIGS. It is further advanced and rotated. At that time, the guide pin 24Pb is detached from the enlarged portion 14fb and moved to the long hole portion 14fa as shown in FIG. Also, one end of the cam lever 34 is guided by the first guide groove 32G1 as shown in FIG. Accordingly, the claw portion 24N of the eject member 24 is engaged with the cutout portion 16b of the thin memory card 16.
[0057]
Subsequently, when the thin memory card 16 is further pressed against the urging force of the coil spring 26 together with the eject member 24 and then the pressing force is released, as shown in FIGS. 4 and 5, the cam lever 34 One end portion of the first guide groove 30G1 is detached from the first guide groove 30G1 and engaged with the cam surface 30a of the third guide groove 30G3. At this time, the state in which the claw portion 24N of the eject member 24 is engaged with the cutout portion 16b of the thin memory card 16 is held. Therefore, the cam mechanism unit holds the ejector member 24. As a result, the thin memory card 16 is held in the accommodating portion 20, and the contact pad 16p of the thin memory card 16 and a contact terminal described later are brought into contact and electrically connected. Further, undesired popping out of the thin memory card 16 that has been mounted is avoided.
[0058]
On the other hand, when the thin memory card 16 is removed from the accommodating portion 20, the loaded thin memory card 16 is first pushed in slightly. At this time, when the eject member 24 is advanced, one end of the cam lever 34 is released from the cam surface 30a and is released and moved to the second guide groove 30G2, so that the eject member 24 has its guide pin. 24Pb is guided by the long hole portion 14fa and retracted by the urging force of the coil spring 26.
[0059]
Next, when the guide pin 24Pb of the eject member 24 reaches the base end of the inclined portion of the enlarged portion 14fb, the claw portion 24N of the eject member 24 is moved by the rotational moment around the guide pin 24Pa caused by the biasing force of the coil spring 26. The separation starts from the notch 16b of the thin memory card 16.
[0060]
When the guide pin 24Pb of the eject member 24 reaches the linear portion of the enlarged portion 14fb, the end 24E of the eject member 24 is brought into contact with the guide wall 38 and guided as shown in FIGS. Is done. Further, when the eject member 24 is retracted by the biasing force of the coil spring 26, the slope portion of the end portion 24E of the eject member 24 becomes the slope of the guide wall 38, as shown in FIGS. Separated from the part. As a result, the claw portion 24N of the eject member 24 is returned to the standby position that is separated from the notch portion 16b of the thin memory card 16 and does not interfere with the thin memory card 16.
[0061]
Therefore, the cam mechanism portion sets the ejector member 24 in a released state. Further, the ejector member 24 is moved from the accommodating portion 20 to the slot side by the restoring force of the coil spring 26, whereby the thin memory card 16 is ejected.
[0062]
As described above, the lock / unlock mechanism portion that locks or unlocks the thin memory card 16 with respect to the accommodating portion 20 by the eject member 24 includes the eject member 24 that constitutes a part of the eject mechanism, and the coil spring. 26 and the guide holes 14E and 14F in the housing member 14, the structure is simplified and the occupied space of the eject member 24 can be further reduced.
[0063]
【The invention's effect】
  As is clear from the above description, according to the card connector of the present invention,From the card accommodating portion of the card, the simplified configuration including the eject member, the first guide pin and the second guide pin, the biasing member, the first guide hole, and the second guide hole. Undesirable pop-out can be controlled.
[Brief description of the drawings]
FIG. 1 is a configuration diagram schematically showing a main part of an example of a card connector according to the present invention together with a thin memory card.
FIG. 2 is a plan view showing a bottom portion of a housing portion in the example shown in FIG. 1 from the back side.
FIG. 3 is a configuration diagram showing a part of the example shown in FIG. 1 in an enlarged manner.
4 is a diagram for explaining an operation in the example shown in FIG. 1; FIG.
5 is a plan view schematically showing an eject member and a thin memory card held in the state shown in FIG. 4; FIG.
FIG. 6 is a diagram for explaining an operation in the example shown in FIG. 1;
7 is a plan view partially enlarged showing the periphery of the eject member in the state shown in FIG. 6; FIG.
FIG. 8 is a diagram for explaining an operation in the example shown in FIG. 1;
9 is a plan view showing the bottom of the housing part from the back side in the state shown in FIG.
10 is a plan view partially showing the periphery of an eject member in the state shown in FIG. 8. FIG.
FIG. 11 is a diagram for explaining an operation in the example shown in FIG. 1;
[Explanation of symbols]
10 Card connector
14E Guide hole
14F guide hole
14fa long hole
14fb enlarged section
16 Narrow memory card
16a Chamfer
16b Notch
22ai contact terminal
24 Eject member
24N Claw
24Pa guide pin
24Pb guide pin
26 Coil spring

Claims (5)

A card housing portion that has a contact terminal that detachably accommodates a card having an engaged portion on a side surface portion and performs electrical connection to the card, and
At a position adjacent to the card accommodating portion, with arranged movably along the detachment direction of the card disposed rotatably, the card abuts on the one end portion of the card inserted into the card housing section An eject member having a card abutting portion for receiving the card, and a claw portion formed at an end portion connected to the card abutting portion and engaged or disengaged with the engaged portion of the card ;
A first guide pin and a second guide pin which are formed on the lower surface portion of the eject member at a predetermined interval along the card attaching / detaching direction;
A first guide hole formed on the bottom of the card housing portion for guiding the first guide pin along the direction of attaching and detaching the card; and the card connected to the slot and the end of the slot. A second guide hole that is formed from an enlarged portion that expands on the side wall side that forms the accommodating portion, and guides the second guide pin along the attaching / detaching direction of the card;
An urging member for urging the eject member along the direction of attaching and detaching the card;
When the card is ejected, the claw portion of the eject member is moved from the engaged state to the disengaged state with respect to the engaged portion of the card after contacting the end of the ejected member that has been moved. And a guide wall configured to guide the card. The card connector according to claim 1 , wherein the eject member is connected to a cam mechanism portion that selectively holds the card in the accommodating portion in accordance with an attaching / detaching operation of the card. The eject member has a rotational moment around the first guide pin based on the biasing force of the biasing member when the second guide pin is guided by the inclined portion of the enlarged portion of the second guide hole. The card connector according to claim 2 , wherein the card connector starts rotating . The cards are card connector according to claim 1, characterized in that a narrow memory card having a chamfered portion which is engaged with the card abutting portion of the eject member to the tip portion. The heart cam in the cam mechanism portion is provided adjacent to a position closer to the opening end of the card housing portion than a position where the guide wall is provided, and a cam surface to which one end of a cam lever connected to the eject member engages. The card connector according to claim 2, further comprising:

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