JP3489914B2 - Disk changer device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc changer device for selectively taking out one disc from among a plurality of discs for recording information for reproduction or recording.

[0002]

2. Description of the Related Art In audio equipment and computer equipment,
As a kind of information recording / reproducing apparatus, a plurality of trays accommodating information recording discs such as compact discs (hereinafter referred to as CDs) and CD-ROMs are stacked in a magazine so that they can be pulled out. A so-called disc changer device is used which pulls out a tray from a magazine and puts a disc stored in the tray into a reproducing or recording state.

Conventionally, in such a disc changer apparatus, when a magazine is inserted into the apparatus main body, the magazine holder provided in the apparatus main body locks and fixes the insertion operation of the magazine at a predetermined mounting position. .

In this state, the tray holder provided on the apparatus main body side is moved in the vertical direction (stacking direction), and the hook of the tray holder is engaged with the engaging portion of the tray containing the disk to be reproduced or recorded. , The tray holder is moved in the pull-out direction with respect to the magazine, and the disc to be reproduced or recorded is pulled out from the magazine together with the tray.

After the drawing operation, the disk accommodated in the tray is sandwiched by the turntable mounted on the spindle motor and the clamper mounted on the tray holder. After that, the disk is rotationally driven by the spindle motor, and information is reproduced or recorded by the pickup. When the tray is returned to the magazine, the operation reverse to the above-described pulling-out operation is performed.

By the way, the hook of the tray holder is engaged with the engaging portion of one of the trays in the magazine fixed at a predetermined mounting position by its vertical movement.
When inserting the magazine into a predetermined mounting position, it is necessary to retract the hook to a position that is displaced upward or downward with respect to the magazine. That is, at the time of inserting the magazine into the mounting position, if the hook is positioned so as to face any tray in the magazine, the leading end of the tray collides with the outside of the hook due to the inserting operation, The magazine cannot be inserted in the loading position.

[0007]

As described above, in the disc changer device, the retract space for the tray holder hook and the drive mechanism for the tray holder must be secured at a position deviated above or below the magazine. Will become bigger. Therefore, for example, it is often difficult to incorporate the computer, and most of them are external.

Therefore, the present invention has been made in view of such a point, and when the magazine is inserted into or removed from the apparatus main body, it is not necessary to retract the hook to the position outside the tray stacking direction, and the apparatus is An object of the present invention is to provide a disc changer device capable of achieving a thinner body.

[0009]

A disc changer device according to a first aspect of the present invention is provided with a device main body to which a magazine in which a plurality of trays on which discs are mounted are housed so that each tray can be drawn out is mounted, and a device main body. , A tray holder that is moved along the stacking direction of a plurality of trays in the magazine, a hook holder that is provided on the tray holder and that is moved along the tray pulling direction with respect to the magazine, and a hook holder that rotates around the hook holder. Movably mounted,
An abutting portion that comes into contact with the tray and is rotated in an engaging direction by an inserting operation of the magazine into the apparatus main body, and a hook portion that engages with the tray by rotating in the engaging direction, Further, a hook that is rotated and returned in a releasing direction opposite to the engaging direction by a detaching operation of the magazine from the apparatus main body, and a hook that is provided in the tray holder along the tray withdrawing direction and moves by the hook holder. It is characterized by comprising a holder rail that engages with the hook and regulates rotation, and the hook rotates in the engaging direction by the inserting operation of the magazine into the apparatus body to engage with the tray, When the magazine is detached from the apparatus main body, the hook rotates in the releasing direction to release the engagement with the tray.

A disc changer device according to a second aspect is the disc changer device according to the first aspect,
The hook is mounted so as to be rotatable with respect to the hook holder and slidable within a predetermined range along the pulling-out direction of the tray, and it corresponds to the displacement of the engagement between the tray and the hook.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a disc changer device of the present invention will be described below with reference to the drawings.

FIG. 2 is a plan view showing the overall structure of the disc changer device.

In FIG. 2, reference numeral 11 denotes an apparatus main body, and magazine holders 13 are integrally formed on both sides (upper and lower sides in the drawing) of the chassis 12 provided on the upper surface thereof on the left side in the drawing. When the magazine 14 is inserted into the apparatus main body 11 from the left side in the drawing, the magazine holder 13 engages with the magazine 14 and locks the insertion operation, and fixes the magazine 14 at a predetermined mounting position. To do.

As shown in FIGS. 4 and 5, the magazine 14 has a plurality of trays 16 for accommodating discs 15 for recording information such as CDs and CD-ROMs stacked, and each tray 16 has a magazine 14 therein. Can be pulled out to the right in the figure. As shown in FIG. 4, the tray 16 is provided with a turntable (not shown) attached to the disk 15 or the disk shown in FIG.
A fan-shaped notch portion 18 is formed so that the pickup 17 can be combined with the pickup 17. Further, an engaging portion 19 for engaging with a hook 31 described later is provided at the tip of the side edge portion of each tray 16.

Returning to FIG. 2, 21 is a tray holder, and the tray holder 21 is a magazine fixed to the magazine holder 13.
The trays 16 are movable so that they can face one side (the right side in the drawing) of the plurality of trays 16 in each. That is,
The tray holder 21 is configured to be movable laterally of the magazine 14 in the vertical direction (the stacking direction of the plurality of trays 16 shown in FIG. 5) by an elevator mechanism (not shown).

Reference numeral 22 is a hook holder.
Is configured to be movable to the side position of the tray holder 21 in the pull-out direction of the tray 16 (rightward in the drawing), and is slid by a predetermined stroke by the drive mechanism 23. The drive mechanism 23 has a pair of pulleys 24 provided at the front and rear ends (left and right ends on the lower side in the drawing) of the tray holder 21 and an endless belt 25 hung over the pair of pulleys 24,
The belt 25 is longitudinally driven by a motor 26 via one of a plurality of gears 27 and a pulley 24. The hook holder 22, as shown in FIGS.
And is slidably driven in the left-right direction in the drawing together with the belt 25.

Reference numeral 31 denotes a hook, and this hook 31 is provided with an arm portion 32 and a hook portion 33 having a substantially U-shaped planar shape, as shown in FIGS. The hook 31 is rotatably attached to the hook holder 22 by a fulcrum pin 34 provided on the arm portion 32. That is, the fulcrum pin 34
Is rotatably inserted into a long hole 35 provided in the hook holder 22, and the hook 31 is rotatably supported around the fulcrum pin 34.

Here, the fulcrum pin 34 has a long hole as described above.
Since it is supported inside 35, it is also slidable in the longitudinal direction of this elongated hole 35 (which is also the drawing direction of the tray 16). That is, the hook 31 is rotatable with respect to the hook holder 22, and is supported so as to be slidable within a predetermined range also in the drawing-out direction of the tray 16.

Further, the hook 31 receives a turning force in the counterclockwise direction (release direction) in the drawing by a spring 36 provided between the hook 31 and the hook holder 22, and the engaging portion 19 of the tray 16 is not engaged. In the state, it is inclined to a predetermined engagement waiting angle shown in FIG. 1 (a).

In the hooking portion 33, the contact portion 33a which is the leg portion on the front side (right side in the drawing) of the magazine 14 in the insertion direction is set to be long, and the hook portion 33b which is the leg portion on the rear side (on the left side in the drawing) is set to be short. is doing. By setting the shape in this way, the magazine
When the hook 31 is tilted to the engagement waiting angle shown in FIG. 1 (a) when the 14 is inserted into the mounting position, the tray 16 of the magazine 14
The engaging portion 19 of does not abut the hook portion 33b, but the abutting portion 33a
And the hook 31 is rotated clockwise (engagement direction) in the drawing.

By this rotation in the engaging direction, the hook 31 is brought into a substantially vertical state as shown in FIG. 1 (b), and the hook portion 33 engages with the engaging portion 19 of the tray 16.

37 is a holder rail, and this holder rail 37
Is provided on the tray holder 21 along the pulling-out direction of the tray 16, and its rail surface 37a is positioned so that it can be joined to the bottom surface of the hooking portion 33 of the hook 31. For this reason, the magazine
When the hook 31 is moved to the right side in the drawing along the elongated hole 35 of the hook holder 22 as shown in FIG. 1 (b) while contacting the engaging portion 19 of the tray 16 of the magazine 14 by inserting 14, the hook 31
The bottom portion of the hook portion 33 is joined to the rail surface 37a and its rotation is stopped, and the engagement state between the hook 31 and the engagement portion 19 of the tray 16 is maintained. The hook holder 22 is the drive mechanism.
When driven by 23 and moved to the right in the figure, the hook 31
The bottom of the hook portion 33 is locked in its rotation while being joined to the rail surface 37a, and the engagement state between the hook 31 and the engagement portion 19 of the tray 16 is maintained.

When information is reproduced from or recorded on the disc 15 with the above-described structure, a magazine 14 in which a plurality of trays 16 accommodating the disc 15 are stacked as shown in FIG. 5 is shown in FIG. The device main body 11 is inserted from the left side in the drawing. This insertion operation is locked by a locking mechanism (not shown) provided in the magazine holder 13 when the tip portion (right side in the drawing) of the magazine 14 reaches the magazine holder 13, and the magazine 14 is fixed at a predetermined mounting position. To be done.

Before inserting the magazine 14, the hook 31 provided on the tray holder 21 side is urged by the spring 36 to the engagement waiting angle shown in FIG. 1 (a).

In this state, when the magazine 14 is inserted as described above, the engaging portion 19 of the tray 16 facing the tray holder 21 immediately before being locked at a predetermined mounting position by the magazine holder 13, Abut on the contact portion 33a of the hook portion 33 of the hook 31 in the engagement waiting angle state shown in FIG. 1 (a),
The hook 31 is rotated clockwise (engagement direction) in the figure against the spring force of the spring 36. By this rotation in the engaging direction, the hook 31 is brought into a substantially vertical state as shown in FIG. 1B, and the hook portion 33 engages with the engaging portion 19 of the tray 16.

Since the fulcrum pin 34 of the hook 31 is supported in the elongated hole 35 provided in the hook holder 22, the fulcrum pin 34 slides to the right by a predetermined range by the pressing force from the tray 16. By this slide, the bottom surface of the hook portion 33 of the hook 31 is joined to the rail surface 37a of the holder rail 37 to lock its rotation, and the engagement state between the hook 31 and the engaging portion 19 of the tray 16 is maintained. To do.

In this state, the motor constituting the drive mechanism 23
26 to operate the belt 25 via the gear 27 and the pulley 24.
Hook holder that drives and is connected to this belt 25
22 and the hook 31 are moved to the right in the figure. By moving the hook 31 to the right, the hook portion 33b is moved to the position shown in FIG. 1 (c).
The tray 16 is caught in the engaging part 19 of the tray 16 as shown in
Pull 16 out of magazine 14.

In this way, when the corresponding tray 16 is pulled out to the designated position of the tray holder 21, it is accommodated in the tray 16 by a turntable and clamper on a Sbindle motor (not shown) by a mechanism (not shown). Insert the disk 15. Then, with the rotation of the spindle motor, the pickup 17 shown in FIG. 2 reproduces or records information on the disk 15.

When the disc 15 is returned to the magazine 14 after the information is reproduced or recorded, the pinch between the turntable and the clamper is released, and then the motor 26 constituting the drive mechanism 23 passes the gear 27 and the pulley 24. Belt 25
Drive in the opposite direction to the above, hook holder 22 and hook
31 is moved to the left in the drawing. By the movement of the hook 31 to the left, the contact portion 33a of the hook portion 33 is caught by the engaging portion 19 of the tray 16, and the tray 16 is moved to the left, so that the tray 16 and the disk 15 are placed in the magazine 14. Restore.

After the above returning operation, the hook holder 22 and the hook 31 are located at the left end of the holder rail 37 in the figure as shown in FIG. 1 (b). When the other disk 15 is pulled out from the magazine 14 in this state, the tray holder 21 may be opposed to the tray 16 in which the disk 15 to be reproduced or recorded is stored by an elevating mechanism (not shown). By this operation, the hooking portion 33 of the hook 31 provided on the tray holder 21 side is brought into the engaged state with the engaging portion 19 of the corresponding tray 16. After that, by operating the drive mechanism 23, the tray 16 can be pulled out from the magazine 14 by the same operation as described above.

In order to pull out the magazine 14 from the apparatus main body 11 in the state after the above-mentioned returning operation, the magazine holder
When removed from 13 to the left in the drawing, the hook 31 in the state shown in FIG.
After the elongated hole 35 of 22 is moved to the left in the drawing, it is rotated counterclockwise (unlocking direction) and returned to the engagement waiting angle state shown in FIG. 1 (a).

Therefore, when the magazine 14 is inserted into or removed from the apparatus main body 11, it is not necessary to retract the hook 31 and its drive mechanism to a position deviated above or below the magazine 14 and the thinning can be achieved. It becomes possible, and for example, it can be incorporated in the computer main body.

Further, the hook 31 is a long hole of the hook holder 22.
By 35, since it is attached so as to be rotatable and slidable within a predetermined range along the tray withdrawing direction, it is possible to cope with the displacement of the engagement between the tray 16 and the hook 31. That is, for example, in FIG. 1B, the engaging portion 19 of the tray 16 is
If the position of is displaced in the insertion direction (rightward in the figure), and the hook 31 does not slide, the insertion of the magazine 14 is restricted at the position where the engaging portion 19 of the tray 16 contacts the contact portion 33a of the hook 31. Therefore, the magazine 14 cannot be inserted to a predetermined mounting position of the apparatus main body 11, but this can be dealt with by making the hook 31 slidable. In addition, in FIG. 1A, when the position of the engaging portion 19 of the tray 16 is displaced in the direction opposite to the insertion direction (left direction in the drawing), the engaging portion 19 does not slide unless the hook 31 slides. However, the hook 31 is slidable, and it can be engaged because it is moved to the left in the drawing by the bias of the spring 36.

[0034]

According to the disk changer device of the first aspect, the hook is rotated in the engaging direction to engage with the tray by the inserting operation of the magazine into the device body, and the magazine is detached from the device body. Since the hook rotates in the releasing direction by the operation to release the engagement with the tray, it is not necessary to retract the hook to the position outside the tray stacking direction when the magazine is inserted into or removed from the apparatus main body. The body of the device can be made thinner.

According to the disc changer device of the second aspect, in addition to the effect of the disc changer device of the first aspect, the hook is rotatable with respect to the hook holder and has a predetermined range along the tray withdrawing direction. Since it is slidably mounted inside, it is possible to cope with the displacement of the engagement between the tray and the hook.

[Brief description of drawings]

1A and 1B show an embodiment of a disc changer device of the present invention, where FIG. 1A is a plan view of a hook before engagement, FIG. 1B is a plan view of an engagement state of a hook, and FIG. It is a top view of the pulling out state by.

FIG. 2 is a plan view of the entire disc changer device of the above embodiment.

FIG. 3 is a cross-sectional view showing a hook and a drive mechanism portion thereof according to the same embodiment.

FIG. 4 is a plan view of the magazine according to the embodiment.

FIG. 5 is a sectional view of the magazine according to the embodiment.

[Explanation of symbols]

14 magazines 15 discs 16 trays 21 tray holder 22 Hook holder 31 hook 33a Abutment part 33b Hook part 37 Holder rail

Claims (2)

(57) [Claims] 1. A device main body to which a magazine, in which a plurality of trays on which discs are mounted are housed in a stackable manner, is mounted, and a device provided in the device main body along a stacking direction of the plurality of trays in the magazine. A tray holder that is moved, a hook holder that is provided in the tray holder and that moves in the tray withdrawal direction with respect to the magazine, and a hook holder that is rotatably attached to the hook holder and that is inserted into the apparatus main body. It has an abutting portion that comes into contact with the tray and is rotated in the engaging direction by an operation, and has a hook portion that engages with the tray by rotating in the engaging direction, A hook that is rotated and returned in a releasing direction opposite to the engaging direction by a detaching operation; and a hook that is provided in the tray holder along the tray withdrawing direction. Disc changer apparatus characterized in that it comprises a holder rail for regulating the rotation engages the hook by movement of Kuhoruda. 2. The disc changer device according to claim 1, wherein the hook is mounted so as to be rotatable with respect to the hook holder and slidable within a predetermined range along the drawing direction of the tray.