JP2003017186A - Card connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the number of parts by making a single screwing coil spring perform ejection of a card and slide movement of a socket cover. SOLUTION: With the card connector 10 provided with an ejection device 13 for ejecting a memory card C inserted between a socket main body 11 and a socket cover 12, the ejection device 13 is provided with a screwing coil spring 15. During the process of sliding movement of the socket cover 12 from a before- push-in position P1 to an after-push-in position P2, the tip part 12a in the push-in direction of the socket cover 12 comes in contact with one end 15b of the screwing coil spring 15 to displace it against the other end 15a of the screwing coil spring 15, so that, when the socket cover 12 reaches the after-push-in position P2, the other end 15a of the screwing coil spring 15 displaces against the one end 15b of the screwing coil spring 15 by elastic force born in the screwing coil spring 15, to eject the memory card C inserted between the socket main body 11 and the socket cover 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a card connector having an ejecting device for ejecting a card inserted between a socket body and a socket cover slidably mounted on the socket body.

[0002]

2. Description of the Related Art Conventionally, as a card connector having an eject device for ejecting an inserted memory card, one shown in FIG. 9 is known. The card connector 300 includes a socket main body 301, a cover-pushing position P1 and a cover-pushing position P2 on the socket main body 301.
A socket cover 302 slidably mounted between the socket main body 301 and the socket cover 302.
And an eject device 303 for ejecting a memory card inserted between the two.

The eject device 303 includes a socket body 3
01 includes a rotating member 304 rotatably provided and a torsion coil spring 305. Torsion coil spring 30
5 is arranged between the inner wall of the socket body 301 and the rotating member 304, one end of which is in contact with the inner wall of the socket body 301,
The other end is fixed to the rotating member 304. The rotating member 304 is urged to rotate clockwise by its torsion coil spring 305.

In the process in which the socket cover 302 slides from the pre-push-in position P1 to the post-push-in position P2, the tip end edge 304a of the rotary member 304 in the rotational direction.
Engages with the protruding portion 302a protruding from the top surface of the tip of the socket cover 302, thereby preventing the rotation member 304 from rotating.

On the other hand, when the socket cover 302 reaches the position P2 after the cover is pushed in, the leading edge 304a in the rotating direction is formed.
The protrusion 302a is disengaged, and the torsion coil spring 305 causes the rotating member 304 to rotate clockwise. Since the rotating member 304 is provided with the card push-out portion 304b, when a memory card is inserted between the socket body 301 and the socket cover 302,
The memory card is pushed out in the direction indicated by arrow A by the card pushing portion 304b. That is, the memory card is ejected.

After card ejection, socket cover 30
2 is due to the action of the spring 306 arranged between the socket body 301 and the socket cover 302,
The cover is slid to the pre-push-in position P2. At the same time, the rotating member 303 is rotated counterclockwise by the action of the protruding portion 302a and returns to the original posture before rotation.

[0007]

In the card socket 300 having the above structure, the torsion coil spring 305 for ejecting the memory card and the spring 306 for slidingly moving the socket cover 302 are required, and the number of parts increases. If the number of parts is large, it takes time to assemble them, which lowers the productivity of the card connector and raises the cost of the card connector. Further, there is a problem that it is difficult to reduce the size of the card connector because it is necessary to secure a space for disposing both components.

An object of the present invention is to reduce the number of parts by ejecting the card and sliding the socket cover with a single torsion coil spring, so that the productivity of the card connector is not reduced and the card connector is not reduced. It is an object of the present invention to provide a card connector that can reduce the size of the card connector without increasing the cost.

[0009]

In order to solve the above-mentioned problems, the present invention provides a socket body, and a socket mounted on the socket body so as to be slidably movable between a position before pushing the cover and a position after pushing the cover. A card connector having a cover and an ejecting device for ejecting a card inserted between the socket body and the socket cover, wherein the ejecting device has a function of displacing both the socket cover and the card. A torsion coil spring is provided, and in a process in which the socket cover slides from the cover pressing position to the cover pressing position, the pushing direction tip of the socket cover displaces the other end of the torsion coil spring with respect to one end of the torsion coil spring. When the socket cover reaches the position after pushing the cover And configured to eject the inserted card between the socket body and the socket cover is displaced relative to the other end of one end the torsion coil spring of the torsion coil spring by resilient generated in the torsion coil spring.

According to the present invention, the tip end of the socket cover in the pushing direction is brought into contact with the other end of the torsion coil spring and the other end is displaced with respect to the one end of the torsion coil spring, whereby the conventional coil spring for card eject is formed. It was unnecessary. Therefore, it is possible to reduce the number of parts, and without decreasing the productivity of the card connector,
It is possible to provide a card connector which can reduce the size of the card connector without increasing the cost of the card connector.

Further, in the card connector, when the card is inserted between the socket body and the socket cover and reaches a predetermined mounting position, the insertion direction tip of the card twists one end of the torsion coil spring to the torsion coil spring. When the card reaches the predetermined mounting position by being displaced with respect to the other end of the coil spring, the other end of the torsion coil spring is displaced with respect to one end of the torsion coil spring by the elastic force generated in the torsion coil spring. The socket cover is slid to the position before the cover is pushed.

The ejecting device includes a rotating member rotatably attached to the socket body, one end of the torsion coil spring is fixed to the rotating member, and the socket cover reaches a position after pushing the cover. And one end of the torsion coil spring is displaced with respect to the other end of the torsion coil spring to rotate the rotating member in one direction, and the rotating member contacts a card inserted between the socket body and the socket cover. It is desirable to contact and eject the card.

With this arrangement, the rotating member comes into contact with the card and ejects it. Therefore, the contact portion of the card is damaged as compared with the case where one end of the torsion coil spring directly comes into contact with the card and ejects. Hateful.

The rotating member is provided with a card pushing-out portion at a position separated from the center of rotation by a predetermined length, and the card pushing-out portion abuts on a card inserted between the socket body and the socket cover. It is desirable to eject the card. By doing so, the effect of the moment force generated by the separation from the center of rotation by the predetermined length is added, so that the card can be ejected with smaller elasticity.

It is desirable that the eject device is provided at a corner of the card body. By doing so, it is possible to reduce the size of the card connector.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An example in which the card connector according to the present invention is applied to a card connector for a memory card will be described below with reference to the drawings.

FIG. 1 is a plan view of a card connector according to the present invention. FIG. 2 is a left side view of the card connector according to the present invention. 3 to 5 are partially enlarged views for explaining the operation of the ejecting device when ejecting the memory card. 6 to 8 are partially enlarged views for explaining the operation of the eject device when the memory card is inserted.

As shown in FIG. 1, the card connector 10
Is a thin rectangular box shape having a substantially rectangular plane, and is mounted on the socket body 11 so as to be slidably movable between the socket body 11 and a position P1 before cover pushing and a position P2 after cover pushing. 12 and an ejecting device 13 for ejecting the memory card C inserted between the socket body 11 and the socket cover 12.

Both side edges of the socket body 11 are bent to form wall surfaces extending upward, and convex portions are formed on the outer surfaces of both wall surfaces (not shown). As shown in FIG. 2, both side edges of the socket cover 12 are formed with wall surfaces 12c and 12c that are bent and extend downward, and the wall surfaces 12c and 12c are provided with slits 12d.

The socket cover 12 has two wall surfaces 12
It is attached to the socket body 11 in a state in which the convex portion formed on the outer side surface of the wall surface of the socket body 11 is inserted into the slit 12d formed in c and 12c. The sliding direction of the socket cover 12 with respect to the socket body 11 is guided by the relationship between the slits 12d and the convex portions.

As shown in FIG. 2, a thin board B is mounted on the back surface of the socket body 11. A wiring pattern (not shown) on the surface of the substrate B, a terminal (not shown) to which a contact portion (not shown) of the memory card C connected to the wiring pattern and inserted into a predetermined mounting position comes into contact,
Also, a cable K connected to the wiring pattern is provided. The terminals on the front surface of the board B are located in the card housing space formed between the socket body 11 and the socket cover 12 through a through hole (not shown) formed in the back surface of the socket body 11. The contact portion of the memory card C inserted into the predetermined mounting position makes contact.

The eject device 13 has a socket body 11
A rotary member 14 rotatably provided on a rotary shaft 11a extending upward from the bottom surface of the rotary shaft and a torsion coil spring 15 rotatably provided on the rotary shaft 11a. One end 15a of the torsion coil spring 15 is fixed to the rotating member 14, and the other end 15b is in contact with the tip 12a of the socket cover 12 in the pushing direction (the direction indicated by arrow A in FIG. 1).

Next, the operation of the ejecting device 13 when ejecting the memory card C will be described with reference to the drawings. The push button 12e provided on the socket cover 12 is pushed in the direction indicated by arrow A in FIG. 1 by the operator, and as shown in FIGS. 3 and 4, the socket cover 12 is pushed to the cover push-in position P1 (see FIG. 3). (The position of the socket cover 12 shown in Fig. 5) to the post-push-in position P2 (the position of the socket cover 12 shown in Fig. 5) in the process of sliding, the tip 12 in the pushing direction of the socket cover 12
a contacts the other end 15b of the torsion coil spring 15 and displaces the other end 15b with respect to the one end 15a of the torsion coil spring 15 (see FIG. 4).

Due to the elasticity generated in the torsion coil spring 15 by the displacement, one end 15a of the torsion coil spring 15 is formed.
Tries to rotate the rotating member 14 in the clockwise direction. However, in the process in which the socket cover 12 slides from the cover-pushing position P1 to the cover-pushing position P2, the rotational direction leading edge 14a of the rotating member 14 engages with the protrusion 12b protruding from the upper surface of the socket cover 12. Therefore, rotation of the rotating member 14 is blocked.

On the other hand, as shown in FIG. 5, when the socket cover 12 reaches the cover-pushing-in position P2, the engagement between the tip end edge 14a of the rotating member 14 in the rotational direction and the projection 12b is released, and the twisting is performed. The elastic force generated in the coil spring 15 displaces one end 15a of the torsion coil spring 15 with respect to the other end 15b of the torsion coil spring 15 to rotate the rotating member 14 clockwise.

The rotary member 14 is provided with a card push-out portion 14b at a portion (around the outer periphery of the rotary member 14) apart from the rotation center 11a by a predetermined length. The memory card C inserted between the socket body 11 and the socket cover 12 is abutted to eject the memory card C in the direction indicated by the arrow B.

Next, the operation of the ejecting device 13 when inserting the memory card C will be described with reference to the drawings. As shown in FIG. 6 and FIG. 7, the memory card C is inserted and the predetermined mounting position (the contact portion of the memory card C is the substrate B).
In the process of reaching the position (contacting the terminal) of the memory card C, the tip C1 in the insertion direction of the memory card C abuts on the card push-out portion 14b to rotate the rotating member 14 counterclockwise so that one end 15a of the torsion coil spring 15 is twisted. The other end 15b of 15 is displaced (see FIG. 7).

Due to the elasticity generated in the torsion coil spring 15 by the displacement, the other end 15b of the torsion coil spring 15 is formed.
Contacts the tip 12a of the socket cover 12 in the pushing direction and tries to slide the socket cover 12 to the cover pushing position P1. However, in the process in which the memory card C is inserted and reaches the predetermined mounting position, the protrusion 12b of the socket cover 12 engages with the inner peripheral surface 14c of the rotating member 14, so that the sliding movement of the socket cover 12 is prevented. It

On the other hand, as shown in FIG.
When the socket reaches the specified mounting position, the socket cover 1
The engagement between the second protrusion 12b and the inner peripheral surface 14c of the rotary member 14 is released, and the other end 15b of the torsion coil spring 15 abuts on the tip 12a in the pushing direction of the socket cover 12 by the elastic force generated in the torsion coil spring 15. , The one end 15a of the torsion coil spring 15 is displaced and the socket cover 12 is slid to the cover pushing-in position P1, and the same state as in FIG. 3 is obtained.

The socket cover 1 that slides and moves
2, the protrusion 12b is engaged with the engaging portion 14d provided on the rotating member 14 to be stopped at the cover pushing-in position.

[0031]

As described above, according to the present invention,
By reducing the number of parts by ejecting the card and sliding the socket cover with a single torsion coil spring, the productivity of the card connector is not reduced, and the cost of the card connector is not increased.
In addition, it becomes possible to provide a card connector that can reduce the size of the card connector.

[Brief description of drawings]

FIG. 1 is a plan view of a card connector according to the present invention.

FIG. 2 is a left side view of the card connector according to the present invention.

FIG. 3 is a partially enlarged view for explaining the operation of the ejecting device when ejecting a memory card.

FIG. 4 is a partially enlarged view for explaining the operation of the ejecting device when ejecting a memory card.

FIG. 5 is a partially enlarged view for explaining the operation of the ejecting device when ejecting a memory card.

FIG. 6 is a partially enlarged view for explaining the operation of the eject device when inserting the memory card.

FIG. 7 is a partially enlarged view for explaining the operation of the eject device when inserting the memory card.

FIG. 8 is a partial enlarged view for explaining the operation of the ejecting device when inserting the memory card.

FIG. 9 is a diagram for explaining a conventional problem of the card connector according to the present invention.

[Explanation of symbols]

10 card connector 11 Socket body 11a rotating shaft 12 socket cover 12a Tip in pushing direction 12b protrusion 12c Both side edges 12d slit 12e push button 13 Ejection device 14 Rotating member 14a Rotating direction leading edge 14b Card extrusion part 14c Inner surface 14d engaging part 15 coil spring 15a One end 15b other end Position before pushing P1 cover Position after pushing P2 cover B board C memory card C1 insertion direction tip K cable

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Yoshikazu Ito             1-5-4 Fukami Higashi, Yamato City, Kanagawa Prefecture             Inside Molex Co., Ltd. F term (reference) 5B058 CA03 CA13 KA12 KA24                 5E021 FB18 FC31 FC32 FC33 HA07                       HB09 HB16 HC36 KA03                 5E023 AA04 AA16 AA18 AA21 BB22                       BB29 CC02 CC23 GG02 GG09                       HH28 HH30

Claims (5)

[Claims] 1. A socket main body, a socket cover mounted on the socket main body so as to be slidably movable between a position before pressing the cover and a position after pressing the cover, and a card inserted between the socket main body and the socket cover. A card connector having an ejecting device for ejecting, wherein the ejecting device includes a torsion coil spring having a function of displacing both the socket cover and the card, and the socket cover is covered from the cover pushing-in position. In the process of sliding to the position after pushing, the tip of the socket cover in the pushing direction abuts on the other end of the torsion coil spring to displace the other end with respect to one end of the torsion coil spring, and the socket cover pushes the cover. When it reaches the rear position, the bullet generated in the torsion coil spring A card connector that ejects a card inserted between the socket body and the socket cover by displacing one end of the torsion coil spring with respect to the other end of the torsion coil spring by force. 2. In the process of the card being inserted between the socket body and the socket cover and reaching a predetermined mounting position, the insertion direction tip of the card makes one end of the torsion coil spring the other end of the torsion coil spring. When the card reaches the predetermined mounting position, the other end of the torsion coil spring is displaced relative to one end of the torsion coil spring by the elastic force generated in the torsion coil spring, and the socket cover is moved. The card connector according to claim 1, wherein the card connector is slid to a position before pushing the cover. 3. The ejecting device includes a rotating member rotatably attached to a socket body, one end of the torsion coil spring is fixed to the rotating member, and the socket cover reaches a position after pushing the cover. In this case, one end of the torsion coil spring is displaced with respect to the other end of the torsion coil spring to rotate the rotating member in one direction, and the rotating member is inserted between the socket body and the socket cover. The card connector according to claim 1, wherein the card connector is brought into contact with and ejects the card. 4. The rotation member is provided with a card push-out portion at a position separated from the center of rotation by a predetermined length, and the card push-out portion abuts against a card inserted between the socket body and the socket cover. The card connector according to claim 3, wherein the card connector ejects the card. 5. The card connector according to claim 1, wherein the eject device is provided at a corner of a card body.