JP2567834Y2 - Eject mechanism for IC memory card - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slot type eject mechanism having a connector for mounting an IC memory card used as a storage medium in a word processor or a personal computer.

[0002]

2. Description of the Related Art As an ejection mechanism for an IC memory card of this type, the one shown in FIG. 4 has already been put to practical use. FIG. 4 shows the Japan Electronics Industry Development Association (JEI).
DA) IC memory card guidelines Ver. 4
Connector section 1 to which compliant IC memory card 1 is attached
Reference numeral 2 denotes the back side of the eject mechanism 9 having the base body 11 provided integrally at the rear.

The base body 11 is a resin frame having a guide groove 13 for guiding the IC memory card 1 on the inside of both sides. A predetermined number (68) of contact pins (reference numeral 1 in FIG. 1 showing an embodiment of the present invention to be described later) which is brought into contact with a contact fitting provided at the tip of
8) is provided.

A half-frame-shaped eject plate 15 is slidably disposed in the base body 11 in front of the connector section 12. The eject plate 15 has an opening 15c on the rear side where the contact pin 18 is inserted and a contact portion 15d with which the front ends on both sides of the IC memory card 1 abut, and an engagement plate 15a protruding rearward. When the IC memory card 1 is inserted into the base substrate 11, the front end of the IC memory card 1 is inserted and the contact portion 1
5d can be moved in the insertion direction while being pressed.

An arm 17 is pivotally supported by a pin 19 on the back surface of the connector portion 12 on the rear side of the base substrate 11. One end of the arm 17 is provided with a sandwiching protruding piece 17a that slides into an elongated hole 16 formed in the engaging plate portion 15a of the eject plate 15 and an arc-shaped rear end surface of the engaging plate portion 15a. , And rotates in conjunction with the movement of the eject plate 15.

The other end of the arm 17 is connected to an eject bar 20 slidably disposed in one side portion 14 of the base body.
It is designed to abut the rear end. Eject bar 2
The eject button 25 is attached to the tip of “0”. On the lower surface side of the eject button 25, one side 1 of the base body 11 is defined as shown in FIG.
4 is provided with a retaining projection 26 which is fitted into a locking long hole 21 formed on the back surface and is selectively locked at both ends thereof.

The eject bar 20 and the eject button 25 are pushed and moved by the arm 17 to form an IC.
When the IC memory card 1 is inserted into the base body 11 and attached to the connector section 12, the memory card 1 is moved in a direction opposite to the insertion direction of the memory card 1.
3 and 4, when the eject button 25 projects out of the base substrate 11 and the eject button 25 is pushed inward of the base substrate 11, the IC memory card 1 ,
It is configured to be ejected outside the base substrate 11 in conjunction with the movement of the arm 17 and the eject plate 15.

[0008]

In the above-described conventional eject mechanism 9 for an IC memory card, when the IC memory card 1 is inserted into the base body 11, the eject button 25 is directed outward from the base body 11. The stopper projection 26 moves and is locked by abutting against the tip of the locking long hole 21 (in a state shown by a dashed line in FIGS. 3 and 4). In addition, since the movement of the eject bar 20 is restricted, the eject button 25 hardly rattles.

However, in the state where the eject button 25 is pushed toward the inside of the base body 11 to eject the IC memory card 1 from the above state (the state shown by a solid line in FIGS. 3 and 4), the arm 17 and the eject Since the bar 20 is separated and becomes a free state, the eject button 25 pops forward due to vibration or the like,
There is a problem in that it moves in the front-back direction and emits a rattling sound.

In view of the above, the present invention provides an eject mechanism for an IC memory card in which the eject button does not move forward and backward or jump forward even when the IC memory card is not inserted. The purpose is to do.

[0011]

In order to achieve the above object, an eject mechanism for an IC memory card according to the present invention is provided with a frame-shaped base body into which an IC memory card is inserted and a rear part of the base body. And a connector portion provided with a predetermined number of contact pins to be brought into contact with a contact fitting provided at a tip portion of the IC memory card, and the IC memory card is slidably disposed in the base substrate. When inserted into a base substrate, the IC
An eject plate that is pushed by the memory card to move along the insertion direction, an arm that is pivotally supported by a rear portion of the base substrate, and that rotates in conjunction with movement of the eject plate; An eject bar disposed in one side of the base and pushed by the arm to move in a direction opposite to the insertion direction of the IC memory card; and one end of the base base attached to the tip of the eject bar and And an eject button that is moved as if coming and going from the tip of the unit. The eject button is provided with a locking piece that can be bent in a vertical direction, a locking projection is provided on an upper surface of the locking piece, and the locking projection is formed on one side of the base substrate. Are formed, and when the IC memory card is inserted into the base substrate, the eject button moves toward the outside of the base substrate and the locking projection is moved. When the eject button is pushed into the base base and is inserted into the first locking hole, the IC memory card is moved in conjunction with the movement of the eject bar, the arm and the eject plate. The locking projection is ejected so as to protrude outside the body, and the locking projection is fitted into the second locking hole.

[0012]

In the ejecting mechanism for an IC memory card according to the present invention having the above-described structure, when the IC memory card is inserted into the base, the eject button moves outward from the base, and the eject button moves. When the locking projection provided on the button is fitted and locked in the first locking hole formed on one side of the base substrate, and when the eject button is pushed in and the IC memory card is ejected, That is, when the IC memory card is not inserted into the base, the locking projection provided on the eject button is fitted and locked in the second locking hole formed on one side of the base. This effectively prevents the eject button from jumping forward due to vibration or the like, or moving in the front-rear direction and producing a jarring sound.

Further, since the locking piece provided with the locking projection can be bent in the vertical direction, the movement of the eject button is smoothly performed without being hindered by the locking projection.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show an embodiment of an eject mechanism for an IC memory card according to the present invention. In these figures, the same reference numerals are given to parts corresponding to respective parts of the above-described conventional eject mechanism 9. Therefore, a duplicate description thereof will be omitted, and differences will be mainly described below.

In the eject mechanism 10 of the present embodiment, the eject button 25 has a rearward direction, as can be clearly understood from a combination of FIG. 1 showing the front side of the base substrate 11 and FIGS. A locking piece 27 is provided on the rear end side of the locking piece 27 so as to be able to bend in the vertical direction with a predetermined gap 28 from the bottom piece. 30 are protruded.

A first locking hole 31 into which the locking projection 30 is fitted into one side portion 14 of the base body 11 and a second locking hole 31 are formed.
The IC memory card 1 is spaced apart from the locking hole 32 by a predetermined distance, here a position corresponding to the amount of protrusion when the IC memory card 1 is inserted into the base substrate 11 with reference to the position where the eject button 25 is pressed. When the IC memory card 1 is formed and inserted into the base body 11 and attached to the connector section 12 (the state of FIG. 2A), the eject button 2
5 moves to the outside of the base body 11 and the locking projection 30
When the eject button 25 is pushed toward the inside of the base substrate 11 (the state of FIG. 2B), the IC memory card 1 is ejected by the eject bar 20, the arm 17, and the eject plate. The projection 15 is ejected out of the base body 11 in conjunction with the movement of the projection 15 and is ejected, and the locking projection 30 is fitted into the second locking hole 32.

In the eject mechanism 10 of the present embodiment having such a configuration, when the IC memory card 1 is inserted into the base substrate 11, the eject button 25 moves toward the outside of the base substrate 11, and the eject button 2
The locking protrusion 30 provided on the first base member 5 is fitted and locked in the first locking hole 31 formed in the one side portion 14 of the base body 11 (the state shown in FIG. 2A), and the eject button 25 is pushed in. When the IC memory card 1 is ejected by being ejected, that is, when the IC memory card 1 is not inserted into the base substrate 11, the locking projection 30 provided on the eject button 25 is attached to one side portion 14 of the base substrate 11. Since it is fitted and locked in the formed second locking hole 32 (the state of FIG. 2B), the eject button 25 protrudes forward due to vibration or the like, or moves in the front-rear direction and emits a rattling noise. The situation is effectively avoided.

The locking piece 2 provided with the locking projection 30
7 can be bent in the vertical direction, so that the movement of the eject button 25 is smoothly performed without being hindered by the locking projection 30.

[0019]

As will be understood from the above description, the eject mechanism for an IC memory card according to the present invention has
When the memory card is inserted into the base base, the locking projection provided on the eject button is fitted and locked in the first locking hole formed on one side of the base base, and the inside of the base base is locked. When the IC memory card is not inserted into the base member, the locking projection is fitted and locked in the second locking hole formed on one side of the base substrate, so that the eject button pops forward due to vibration or the like. Movement of the eject button can be effectively prevented from moving and moving in the front-rear direction, producing a rattling noise. Can be performed smoothly.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of an ejection mechanism for an IC memory card according to the present invention.

FIGS. 2A and 2B are cross-sectional views for explaining the operation of the embodiment. FIGS.

FIG. 3 is a cross-sectional view for explaining the operation of the conventional example.

FIG. 4 is a bottom view showing an example of a conventional eject mechanism for an IC memory card.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 IC memory card 10 Eject mechanism 11 Base substrate 12 Connector part 14 One side part 15 Eject plate 17 Arm 18 Contact pin 20 Eject bar 25 Eject button 27 Engagement piece 30 Engagement projection 31 First engagement hole 32 Second Lock hole

Claims (1)

(57) [Scope of request for utility model registration] 1. A frame-shaped base substrate into which an IC memory card is inserted;
A connector portion provided with a predetermined number of contact pins to be brought into contact with a contact fitting provided at a tip portion of the memory card; and the IC memory card slidably disposed in the base substrate and inserted into the base substrate. When the eject plate is pushed, the eject plate is pushed by the IC memory card and moved along the insertion direction, and the eject plate is pivotally supported by a rear portion of the base substrate and is rotated in conjunction with the movement of the eject plate. An arm, an eject bar disposed in one side of the base substrate, pushed by the arm and moved in a direction opposite to a direction in which the IC memory card is inserted, and attached to a tip of the eject bar. An eject button that is moved as if protruding and retracting from one end of the base substrate. The eject button is provided with a locking piece that can be bent in the vertical direction, a locking projection is provided on an upper surface of the locking piece, and the locking projection is fitted into one side of the base substrate. When the IC memory card is inserted into the base, the first and second locking holes are formed.
The eject button moves outward of the base substrate, and the locking projection is fitted into the first locking hole,
When the eject button is pushed inward of the base substrate, the IC memory card is ejected so as to protrude out of the base substrate in conjunction with the movement of the eject bar, arm and eject plate, The ejecting mechanism for an IC memory card, wherein the engaging projection is fitted into the second engaging hole.