JP5679109B2 - Card connector with removal function - Google Patents

Description

  The present invention relates to a card connector for connecting a card such as an IC card to a substrate, and relates to a card connector with a taking-out function that can take out the card by a simple operation.

  Conventionally, this type of card connector is known to have a take-out function capable of taking out a card-like member such as a card tray containing a card from the housing by operating a push pin (for example, a patent) Reference 1).

  For example, as shown in FIG. 12, the card connector with a take-out function includes a pusher arm 101 that is rotatably supported on the back side in the card insertion / removal direction of the housing 100, and one end of the pusher arm 101 is pushed by a push pin 102. The pushing arm 101 is rotated by pushing the portion, and the other side 103 of the arm pushes the inner edge of the card tray 104 in the discharge direction.

Japanese Patent Laid-Open No. 10-189139

  However, since the conventional technology as described above has a take-out mechanism composed of an extrusion arm and a push pin for operating the extrusion arm, the entire outer shape of the connector, that is, the area occupied by the board to which the connector is attached increases. Along with this, there is a problem that the degree of freedom of design is also lowered. On the other hand, if the outer shape of the pushing arm is reduced in order to reduce the size of the connector, there is a problem that the arm length necessary for discharging the card-like member with a sufficient pushing amount cannot be secured.

  Also, when pushing out the card-like member, the force applied by the operator is transmitted to the pushing arm via the push pin, so if the operator puts too much force, the card-like member will pop out vigorously and damage the card etc. There was a problem that there was a risk of inviting. Furthermore, there is a problem that a card-like member such as a tray may come out due to an impact caused by dropping or the like.

  SUMMARY OF THE INVENTION The present invention has been made in view of such a conventional problem, and an object of the present invention is to provide a card connector with a removal function that can perform a stable card removal operation and can be miniaturized.

The feature of the invention described in claim 1 for solving the conventional problems as described above and achieving an intended object is that a slider which can be moved in and out of the housing together with the card-like member, and the slider is pushed out. comprising a return spring which biases have elastic locking portion for resiliently engaging said slider, and a locking member for restricting the movement of the slider in a predetermined push-in position, the slider within the housing In the card connector with a taking-out function, the restriction of the slider is released by operating the take-out operation member inserted on the front side in the moving direction of the card, and the card-like member is taken out. The engagement portion that engages with the outer surface portion of the slider at the predetermined push-in position, and a predetermined push-in on the front side of the engagement portion. And an operation portion arranged so as to protrude toward the front side of the end of the slider in the moving direction, and the take-out operation member is pushed in from the front side of the end of the slider toward the moving direction. The operation member comes into contact with the operation portion to rotate the elastic locking portion in a direction in which the engagement portion is separated from the slider, and the end portion of the slider whose restriction is released becomes the take-out operation member. The card connector with a taking-out function is adapted to be brought into contact .

According to a second aspect of the present invention, in addition to the structure of the first aspect, the slider is provided on a side stop of the card-like member and a side stop of the card-like member. There is provided an elastic engagement piece that is detachably engaged, and the card-like member is sandwiched between the stopper portion and the elastic engagement piece.

According to a third aspect of the present invention, in addition to the configuration of the second aspect, the housing is formed so as to be disposed on the side opposite to the card-like member of the elastic engagement piece at the predetermined pushing position. In addition, there is provided a forcibly preventing member for restricting the movement of the elastic engagement piece in the direction away from the card-like member.

  As described above, the card connector with a taking-out function according to the present invention has a slider that can move in and out of the housing together with the card-like member, a return spring that urges the slider in the pushing direction, and a predetermined pushing position. A take-out function including a lock mechanism for restricting the movement of the slider, and releasing the restriction of the slider and taking out the card-like member by operating a take-out operation member inserted into the housing. In the attached card connector, the lock mechanism includes a lock member having an elastic locking portion that can be elastically engaged with the slider, and the elastic locking portion is connected to an outer surface portion of the slider at the predetermined pushing position. By engaging the engaging portions that engage with each other and the member for taking out operation, the elastic locking portions are The operation part that moves the engaging part in a direction away from the slider eliminates the need for an arm for extrusion and the like, and the external shape of the entire connector can be reduced. A card-like member such as a card tray can be taken out with the pushed amount.

  In the present invention, the operation portion is disposed so as to protrude toward the front side of the slider at a predetermined push-in position, and the take-out operation member is pushed by pushing the take-out operation member in the moving direction of the slider. Since the elastic locking portion is rotated in the direction in which the engagement portion is separated from the slider by contacting the operation portion, the card-like member can be taken out by a take-out operation member such as an eject pin. Controlled and can prevent sudden jumping out.

  Furthermore, in the present invention, the slider includes a stopper part that is engaged with a back side edge of the card-like member, and an elastic engagement piece that is detachably engaged with the side edge of the card-like member, Since the card-like member is sandwiched between the stopper portion and the elastic engagement piece, the card-like member can be in a half-locked state with respect to the slider, and the card tray suddenly It can be prevented from jumping out and being damaged.

  In the present invention, the housing is formed to be disposed on the opposite side of the card-like member of the elastic engagement piece at the predetermined pushing position, and is detached from the card-like member of the elastic engagement piece. The card-like member is completely locked to the housing via the slider at the predetermined push-in position, and the card-like member is prevented from being pulled out by forcible removal or drop impact. Can be prevented.

It is a top view which shows an example of the card connector with a taking-out function which concerns on this invention. It is an AA line sectional view same as the above. (A) is a top view which shows the card tray in FIG. 1, (b) is the bottom view, (c) is the BB sectional drawing. It is the top view which removed the shield case which shows the state by which the card-shaped member same as the above was half-locked. It is a partial enlarged plan view which shows a locking mechanism part same as the above. It is the top view which removed the shield case which shows the taking-out operation | movement of a card tray same as the above. It is the top view which removed the shield case which shows the state by which the card tray same as the above was fully locked. It is a partial expanded sectional view which shows a locking mechanism part same as the above. It is the top view which removed the shield case which shows the state which released the locking mechanism same as the above. (A) is a partial expanded sectional view which shows the state of the lock member of the state locked fully, (b) is a partial expanded sectional view which shows the state by which the lock of the lock member was cancelled | released. It is a partial enlarged plan view which shows another example of a locking mechanism part. It is a partially broken top view which shows an example of the conventional card connector with a taking-out function.

  Next, embodiments of the card connector according to the present invention will be described based on the embodiments shown in the drawings. In the figure, symbol A is a card such as an IC card.

  In this card connector, when the card tray 1 containing the card A is inserted into the housing 2, the terminal portions 3, 3... Arranged on one side of the card A are supported in the housing 4. Are elastically contacted, and the card A is electrically connected to the substrate on which the housing 2 is installed via the contacts 4, 4.

  As shown in FIG. 3, the card tray 1 has a flat plate-like main body 5 having a card receiving recess 5 a in which the card A is stored on one side, and a front edge exposed on the front side in the insertion direction of the main body 5. It has the part 6 and is integrally formed with the insulating resin material.

  The leading edge exposed portion 6 is exposed to the outer surface of the device housing when the card connector is incorporated into an electrical device. When the card tray 1 is discharged from the housing 2, the card tray 1 is exposed to the device housing. It protrudes in a drawer shape from the outer side surface. Reference numeral 7 in the drawing is a guide hole for guiding an operation member 8 described later.

  The housing 2 is formed by incorporating a mold case 10 made of an insulating resin material and a shield cover 11, and a card-like member insertion portion 12 into which the card tray 1 is inserted is opened at the front.

  On the side portion of the card-like member insertion portion 12, there are a slider 13 that can move in the card tray 1 entry / exit direction, and a return spring 14 that applies a reaction force to the mold case 10 and biases the slider 13 in the push-out direction. The slider 13 moves in and out of the card tray 1 together.

  Further, a side of the card-like member insertion portion 12 is provided with a lock mechanism for restricting the movement of the slider 13 at a predetermined push-in position, and this lock mechanism moves the take-out operation member 8 formed of a wire rod-like pin to the slider. The regulation can be released by operating along the 13 movement directions.

  The slider 13 includes a rectangular tube-shaped main body portion 15, a stopper portion 16 projecting from the edge of the main body portion 15 on the card insertion portion side, and an elastic support supported on the front side of the main body portion 15 in the card insertion / removal direction. The locking piece 17 is provided and is integrally formed of a metal material.

  The main body portion 15 is opened on the back side in the card insertion / removal direction, and the front side is closed by a closing receiving plate 18. One end of a return spring 14 inserted into the main body 15 is brought into contact with the closing receiving plate 18, and the other end of the return spring 14 is fixed to the mold case 10 to exert a reaction force on the mold case 10. The slider 13 is urged in the pushing direction.

  Further, an engagement notch portion 20 with which a lock member 19 described later is engaged is formed on the side wall plate portion 15a opposite to the card insertion portion 12 of the main body portion 15.

  The elastic locking piece 17 is formed in a leaf spring shape extending toward the front side in the longitudinal direction from the card insertion portion side wall plate portion 15 b of the main body portion 15, and is formed on the side edge portion of the card tray 1 at the tip portion. A locking projection 22 that is detachably locked to the locking recess 21 is formed.

  As shown in FIG. 4, the elastic locking piece 17 can be elastically rotated about the base end as an axis, and the rear edge of the card tray 1 abuts against the stopper 16 as shown in FIG. The locking projection 22 is engaged with the locking recess 21, a part of the card tray 1 is sandwiched between the stopper 16 and the locking projection 22, and the card tray 1 is temporarily fixed to the slider 13. (Half-locked state)

  On the other hand, in a predetermined pushing position, as shown in FIG. 7, a forcible removal preventing member 23 is disposed on the back side of the locking projection 22 so that the elastic engagement piece 17 is detached from the card tray 1. The movement is restricted and the card tray 1 is completely fixed to the slider 13 (full lock state).

  The forcibly preventing member 23 is formed by cutting out the top plate portion of the shield cover 11 leaving a crease and bending it.

  A front end 23a of the forcibly removing prevention member 23 is formed in a shape bent obliquely to the card tray side, and a pin guide for guiding the inserted operation member 8 to a position where a predetermined operation can be performed. Forming part.

  The lock mechanism includes a lock member 19 that can be engaged with the slider 13. The lock member 19 is engaged with the slider 13 at a predetermined push position, thereby restricting the movement of the slider 13 at the predetermined push position. It can be done.

  The lock member 19 is integrally formed as a whole by bending a metal plate having elasticity, and has an elastic locking portion 30 that can be elastically engaged with the slider 13.

  The elastic locking portion 30 includes a flat spring base 24 and a movable plate portion 26 supported via elastic spring pieces 25 and 25 supported on the side edges of the spring base 24. .

  The spring base 24 is integrally supported by an insert portion 31 that is integrated with the bottom plate portion of the mold case 10 by insert molding when the mold case 10 is molded, and the escape hole 32 formed in the bottom plate portion of the mold case 10. It protrudes in the hole 32 from the inner edge, and can be elastically rotated in the vertical direction around the base end portion on the insert portion side.

  The elastic spring piece 25 is formed in a shape bent upward from the side edge of the spring base 24 so that the movable plate 26 can be rotated with respect to the spring base 24 and the movable plate 26 is moved to the original position by its spring property. To come back.

  The movable plate portion 26 is formed in an elongated plate shape, and an engagement portion 27 is formed at the end in the longitudinal direction of the movable plate portion.

  The engaging portion 27 is formed in a shape that is bent at a substantially right angle with the tip portion directed toward the slider side, and is engaged with the inner edge 20a on the rear side in the insertion / extraction direction of the engaging notch portion 20.

An operation portion 28 that protrudes toward the slider is formed on the front side portion of the movable plate portion 26.

  The operation portion 28 is formed into a mountain shape when viewed from above by press working, and when the engaging portion 27 is engaged with the slider 13, the front end portion of the slider 13, that is, the outer bottom surface of the closing receiving plate 18. It is arranged so as to protrude to the front side of the loading / unloading direction.

  In the card connector with a taking-out function configured as described above, when the card tray 1 is inserted into the housing 2, the locking projection 22 of the elastic locking piece 17 contacts the side edge of the card tray 1 and is spread out. When the back edge of the card tray 1 is inserted to a position where it abuts against the stopper 16 of the slider 13, the locking protrusion 22 engages with the locking recess 21 due to the spring property of the elastic locking piece 17. Then, the card tray 1 is sandwiched between the stopper 16 and the locking projection 22 and the card tray 1 is temporarily fixed to the slider 13 (half-locked state).

  In this state, when the card tray 1 is moved in the pull-out direction with a certain force or more, the elastic engagement piece 17 is detached from the locking recess 21 and the card tray 1 can be extracted from the housing 2.

  When the card tray 1 is further pushed in against the urging force of the return spring 14, the operating portion 28 comes into contact with the outer wall plate portion of the slider main body portion 15 and the engaging portion 27 of the movable plate portion 26 is separated from the slider 13. The slider 13 can be pushed in without receiving resistance.

  When the predetermined pushing position is reached, as shown in FIGS. 7 and 8, the lock member 19 returns to its original position by its own elasticity, and the engagement portion 27 of the lock member 19 is engaged with the engagement notch portion of the slider 13. Accordingly, the movement of the slider 13 is restricted and the operation portion 28 protrudes to the near side of the end portion of the slider 13.

  At this time, the elastic locking piece 17 of the slider 13 comes into contact with the forcible removal preventing member 23 to be in a full lock state, whereby the card tray 1 is fixed to the housing 2 via the slider 13.

Next, in order to take out the card tray 1, when the operation member 8 is inserted from the guide hole 7 formed in the front edge exposed portion 6 of the card tray 1, the card tray 1 passes through the housing 2 to be further forcedly removed. As shown in FIGS. 9 and 10B, the operation unit 28 comes into contact with the outer peripheral surface of the operation member 8 and is elastically locked through the operation unit 28. The portion 30 is pushed and rotates counterclockwise, and the engaging portion 27 is detached from the slider 13.

  When the engaging portion 27 is disengaged from the slider 13, the movement restriction of the slider 13 is released. At the same time, the slider 13 is biased by the return spring 14, and the slider 13 is brought into contact with the distal end portion of the operating member 8. As a result of this operation, the unit becomes in an integrated operation state.

  As the operation member 8 is pulled out, the slider 13 moves to the pushing stop position while the movement is controlled by the operation member 8, and the card tray 1 also moves together with the slider 13 to stop the extrusion with a certain amount of extrusion. The card tray 1 is pushed out to the position.

  In the pushing stop position, the card tray is in a half-locked state with respect to the slider, so that it does not suddenly pop out and fall. On the other hand, if the card tray is moved in the pull-out direction with a certain force or more in this state, the elastic engagement piece 17 is detached from the engagement recess 21 and the card tray 1 can be extracted from the housing 2.

  In addition to the above-described embodiment, the lock member may have a shape in which the elastic locking portion 50 is cantilevered as shown in FIG.

  This lock member has an elastic locking portion 50 formed in an elongated plate shape, and has an engaging portion 51 that is bent at a substantially right angle toward the slider side at one end portion, and the other end side is a mold case. 10 is integrally supported by a support portion 52 fixed to 10. Further, an operation portion 53 having a shape projecting toward the card-like member side is formed slightly on the support portion side from the center of the elastic locking portion 50, and the operation portion 53 comes into contact with the take-out operation member 8 in the figure. As indicated by the dotted line, the engaging portion 51 is rotated in a direction away from the slider 13 with the elastic locking portion 50 as the base end.

  Moreover, although the above-mentioned Example demonstrated the example using the card tray which accommodates a card | curd inside as a card-shaped member, you may insert a card | curd directly in a connector without using a tray. .

A card 1 card tray (card-like member)
2 Housing 3 Terminal portion 4 Contact 5 Body portion 6 Leading edge exposed portion 7 Guide hole 8 Member for taking out operation 10 Mold case 11 Seal cover 12 Card member insertion portion 13 Slider 14 Return spring 15 Body portion 16 Stopping portion 17 Elastic engagement Stopping piece 18 Closing plate 19 Locking member 20 Engagement cutout portion 21 Locking recess portion 22 Locking projection portion 23 Forced removal prevention member 24 Support plate portion 25 Elastic spring piece portion 26 Movable plate portion 27 Engagement portion 28 50 Elastic locking part 51 Engaging part 52 Supporting part 53 Operation part

Claims (3)

It has a slider that can move in and out of the housing together with the card-like member, a return spring that urges the slider in the pushing direction, and an elastic locking portion that elastically engages the slider, and a predetermined pushing position And a locking member for restricting the movement of the slider,
A card connector with a removal function in which the restriction of the slider is released and the card-like member is removed by operating a removal operation member inserted in front of the end of the slider in the moving direction in the housing. In
The elastic locking portion includes an engaging portion that engages with the outer surface portion of the slider at the predetermined pushing position, and an end portion in the moving direction of the slider at the predetermined pushing position that is on the near side of the engaging portion. And an operation unit arranged so as to protrude to the front side ,
When the take-out operation member is pushed in from the front side of the end of the slider in the moving direction, the take-out operation member comes into contact with the operation portion, and the engagement portion is separated from the slider. A card connector with a taking-out function, characterized in that the end of the slider, which is rotated in the direction, is brought into contact with the take-out operation member . The slider includes an abutment portion where the back side edge of the card-like member is abutted and an elastic engagement piece detachably engaged with the side edge of the card-like member, and the card-like member The card connector with a taking-out function according to claim 1 , wherein the card connector is sandwiched between the stopper and the elastic engagement piece. The housing is formed so as to be disposed on the opposite side of the card-like member of the elastic engagement piece at the predetermined pushing position, and restricts movement of the elastic engagement piece in a direction away from the card-like member. The card connector with a removal function according to claim 2 , further comprising a member for preventing excessive removal.

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