JP2002373467A - Optical disk device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an optical disk device, which has a mechanism of performing the loading downward from an optical disk inserting port on the upper surface of the optical disk device, corresponds to an optical disk having a large diameter and, moreover, even if the optical disk having a small diameter is inserted therein, deep entering into the device is prevented and the optical disk is fetched easily. SOLUTION: A holding part, which passes an optical disk having a small diameter, restrains an optical disk having a large diameter and supports the same approximately vertically and a restraining part which restrains the optical disk having a small diameter and has an inclined part which supports the outer peripheral surface of the bottom part obliquely in the direction parting from a disk holder, are disposed on the disk holder of the disk loading mechanism. Therein, furthermore a projection part, which supports the outer peripheral surface of the optical disk having a small diameter which is restrained obliquely from the casing surface, confronted with the surface which restrains the optical disk to the restraining part, is disposed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical disk device, and more particularly to an optical disk device having a mechanism for preventing erroneous insertion of optical disks having different diameters.

[0002]

2. Description of the Related Art A disk loading mechanism in a conventional optical disk apparatus is disclosed, for example, in Japanese Patent Application Laid-Open No. H11-14968.
As disclosed in Japanese Patent Laid-Open Publication No. 8 (1999) -1995, an engagement plate is provided which can be engaged with the outer peripheral surface of an optical disk having a small diameter. A stopper means for preventing insertion of a large-diameter optical disc (for example, a compact disc having a diameter of 12 cm) into the apparatus through a disc insertion slot. By providing a mechanism for moving the stopper means to spread out and retract the stopper means, erroneous insertion of an optical disk having a small diameter is prevented.

The above-described disk loading mechanism for preventing erroneous insertion of an optical disk has a transport belt for transporting the optical disk in the horizontal direction from the front of the optical disk device to the inside, and moves the transport belt according to the position and diameter of the optical disk. A complicated mechanism.

[0004]

An optical disk device which is loaded downward from the optical disk insertion opening on the upper surface of the optical disk device. For example, in an optical disk device for an optical disk having a diameter of 12 cm, for example, an optical disk having a diameter of 8 cm is inserted. In this case, the optical disk enters the apparatus through the optical disk insertion slot, and cannot be taken out. In some cases, the optical disc may be caught between the mechanical units, and may damage the recording surface of the optical disc.

Further, when the insertion of the optical disk is detected and the disk loading mechanism starts the loading operation, when the optical disk having a small diameter is inserted, the optical disk is not placed on the turntable of the optical disk recording / reproducing means. There is a possibility that the recording surface of the optical disc may be scratched by performing the clamping operation as it is.

According to the present invention, in an optical disk device for an optical disk having a large diameter which is loaded downward from an optical disk insertion opening on the upper surface of the optical disk device, even if an optical disk having a small diameter is inserted, the optical disk device can be inserted into the device by a simple mechanism. It is an object of the present invention to provide an optical disk device having a disk loading mechanism that prevents the user from entering the disk and can easily remove the disk by hand.

[0007]

Therefore, according to the optical disk apparatus of the present invention, a housing having an insertion opening for an optical disk on the upper surface and an optical disk inserted into the housing from the insertion opening are provided. What is claimed is: 1. An optical disc apparatus comprising: a disc holder for holding the disc; and a loading mechanism for vertically transporting the disc holder, wherein the disc holder includes a holding section for holding a large-diameter optical disc and a locking section for locking a small-diameter optical disc. A stopper provided inside the housing for supporting the small-diameter optical disk locked by the disk holder when the disk loading mechanism conveys the disk holder downward so as to protrude from the insertion opening. Features.

According to the optical disk device of the present invention, in the optical disk device of the first aspect, the disk holder passes an optical disk having a small diameter and holds left and right outer peripheral surfaces of the optical disk having a large diameter. A holding portion for supporting the optical disk having a small diameter, and a locking portion having an inclined portion for supporting a bottom outer peripheral surface of the small-diameter optical disk in a direction away from the disk holder. The stopper is provided with a projection provided on a housing surface facing the disk holder and supporting an outer peripheral surface of a small-diameter optical disk locked by a locking portion.

[0009]

FIG. 1 is an external view of an embodiment of an optical disk apparatus according to the present invention. In FIG. 1, an optical disk device 1 includes an optical disk insertion slot 5 for inserting an optical disk 4 on an upper surface 3 of a housing 2. On the front surface 6 of the optical disk apparatus 1, there is a window 7 through which the mounted optical disk can be visually recognized. A display unit 8 and operation buttons 9 are arranged below the window 7.

FIG. 2 to FIG. 10 are schematic structural views of the disk loading mechanism 10 of the present embodiment. 2A is a front view of the disc loading mechanism 10, FIG. 2B is a top view, and FIG. 2C is a right side view.

In FIG. 2, a disc holder 103 is shown.
Is provided with protrusions 102 at the upper and lower ends of the left and right side surfaces which are gently inserted into guide grooves 101 provided on the left and right side surfaces inside the housing 2 in the vertical direction and slide along the guide grooves 101.

A loading motor 104 for vertically transporting the disc holder 103 is fixed to the housing 2, and a loading gear 105 is fixed to a rotating shaft of the loading motor 104 so that a side portion of the disc holder 103 can be moved vertically. And mesh with the rack gear 106 provided at the front end.

A support portion 108 for rotatably supporting a clamper 107 for clamping around the center hole of the inserted optical disk is provided from the inside of the front surface of the housing 2 toward the disk loading mechanism 10.

A boss 109 protruding toward the disk loading mechanism 10 is provided inside the front surface of the housing 2. The boss 109 does not come into contact with the holding portion 112 that holds the optical disk 4b having a diameter of, for example, 12 cm, which protrudes from the front side of the disk holder 103 that moves up and down. It has a length extending beyond the protruding surface of the locking portion 113 for locking the optical disk 4a toward the disk holder 103.

The bosses 109 are arranged at intervals outside the left and right locking portions 113 so as to contact the optical disk 4a having a diameter of 8 cm. The left and right intervals of the boss 109 are, for example, about 60 mm. The distance of the boss 10
In a state where the outer peripheral surface of the optical disk 4a is in contact with the optical disk 9, the upper portion of the optical disk 4a has a length of, for example, about 58 mm that protrudes from the insertion slot 5 by about 1 cm. Also, the boss 109
A flange 109a is provided at the tip so that the optical disc 4a placed in an inclined state does not slide down.

When the disk holder 103 is lowered with the optical disk 4a locked on the locking portion 113, the boss 10
9 comes into contact with the outer peripheral surface of the optical disk 4 a, separates from the descending disk holder 103, and the upper part of the optical disk 4 a projects from the insertion slot 5.

The traverse mechanism 111 includes a turntable 110, a motor for rotating the turntable 110, and an optical pickup, has a projection 111a serving as a fulcrum on both lower side surfaces, and rotates around the projection 111a. .

When recording information on the optical disk or reading information from the optical disk, the traverse mechanism 111 is rotated in the direction of the clamper 107 so that the projection of the turntable 110 is inserted into the center hole of the optical disk and held at the center.
The optical disk is held between the turntable 110 and the clamper 107 and rotated.

FIG. 3 shows the disk holder 103 of this embodiment.
4 shows a state where the optical disk 4b is held by the disk holder 103, and FIG. 5 shows a state where the optical disk 4a is locked by the disk holder 103.

As shown in FIG. 4, the disk holder 103 has an arc-shaped notch on the upper end surface, and holds the left and right outer peripheral surfaces of the optical disk 4b projecting to the front side along the notch and supports the optical disk 4b substantially vertically. Left and right pair of holding parts 112
Is provided. The distance between the left and right of the holding unit 112 is
The optical disk 4a has a length equal to or larger than the diameter of the optical disk 4a. When the optical disc 4b is held by the holding section 112, a pair of left and right locking sections 113 for locking the optical disc 4a is provided below the holding section 112 where the outer peripheral surface of the optical disc 4b does not contact.

FIG. 5 shows a state in which the optical disk 4a is locked by the locking portion 113.
The optical disk 4a further includes an inclined portion 113a that projects further than the holding portion 112 that projects to the front side of the optical disk 4a, locks the outer peripheral surface of the optical disk 4a, and has a lower end portion.
When it comes into contact with 13a, it slides on the inclined surface to the tip of the locking portion 113, and is locked in an inclined state.

Protrusions 102 are provided at the upper and lower ends of the left and right sides of the disk holder 103, and the guide grooves 1 are provided.
01, so that the disc holder 103 can slide up and down.

A rack gear 1 having a holding portion 112 and a locking portion 113 and extending vertically to the right side of the back surface of the front surface.
The disk holder 103 is moved up and down by operating a loading gear 105 that meshes with the rack gear 106 and a loading motor 104 that rotates the loading gear 105 to transport the optical disk 4b held by the holding unit 112. I do.

Next, the operation of the disk loading mechanism according to this embodiment will be described. FIG. 6 is a diagram illustrating a state where the optical disc 4b is inserted from the insertion slot 5 and held by the holding unit 112. When a disc is inserted, the disc holder 10
3 moves to a raised position near the insertion port 5 and stops.

When the optical disk 4b is inserted, the lower right and left portions of the outer peripheral surface of the optical disk 4b are held by the holding portion 112 and held substantially vertically. When recording or reproduction is instructed by operating the operation unit 8, a control signal for operating the loading motor 104 is output from a control unit (not shown), the loading motor 104 is operated, and the loading gear 105 meshing with the rack gear 106 rotates. Then, the disc holder 103 starts to descend while holding the optical disc 4b,
The optical disc 4b stops at a position where the protrusion of the turntable 110 can be inserted into the center hole.

As shown in FIG. 7, after stopping, the traverse mechanism 111 is rotated in the direction of the clamper 107, and the projection of the turntable 110 is inserted into the center hole of the optical disk 4b and held at the center. Clamper 1
07 is sandwiched between the optical disk 4b.

When the optical disk 4b is nipped, the disk holder 103 is lowered to the avoidance position so as not to hinder the rotation of the optical disk 4b, as shown in FIG. Read operation.

When the operation of recording information on the optical disk 4b or the operation of reading information is completed and the eject button of the optical disk 4b is operated, the operation is performed in the reverse order of the above-described operation, and the optical disk 4b is projected from the insertion slot 5. Can be taken out.

Next, the operation when the optical disk 4a is inserted through the insertion slot 5 in the upper surface 3 of the housing 2 will be described with reference to FIGS. FIG. 9 is a diagram showing a state in which the optical disc 4a is inserted from the insertion slot 5 and locked by the locking portion 113. When a disc is inserted, the disc holder 103
Moves to a position close to the insertion slot 5 and stops.

When the optical disk 4a is inserted, the optical disk 4a passes between the holding portions 112 provided on both the left and right sides, and the right and left lower portions of the outer peripheral surface of the optical disk 4a are inserted into the locking portions 113 provided below the holding portion 112. Abut Then, the outer peripheral surface with which the optical disk 4a is in contact slides down the inclined portion 113a to the tip of the locking portion 113, and the optical disk 4a is locked in an inclined state.

When recording or reproduction is instructed by operating the operation unit 8, a control signal for operating the loading motor 104 is output from a control unit (not shown), the loading motor 104 is operated, and the loading gear meshing with the rack gear 106 is loaded. The disk holder 103 starts descending while the optical disk 4a is locked by rotation of 105.

As shown in FIG.
When 03 starts to descend, the outer peripheral surface of the optical disk 4a locked in an inclined state comes into contact with a pair of left and right bosses 109 protruding from the housing 2 and separates from the descending disk holder 103. The boss 109 has a flange 1 at its tip so that the optical disc 4a placed on the slant does not slide down.
09a.

The distance from the insertion slot 5 to the boss 109 is determined in a state where the outer peripheral surface of the optical disc 4a is in contact with the boss 109.
Since the upper portion of the optical disc 4a is set to protrude from the insertion slot 5, the optical disc 4
The upper part of a protrudes from the disk insertion slot 5 of the housing 2 and can be easily taken out by hand.

When the disk holder 103 is the optical disk 4b
The traverse mechanism 111 pivots down to a position where the protruding portion of the turntable 110 can be inserted into the center hole, and the traverse mechanism 111 rotates to start a recording or reproducing operation. At this time, when the optical pickup detects that the optical disk is not mounted on the turntable 110, the display section 8 indicates that the optical disk is not mounted, and the traverse mechanism 1
Numeral 11 stops the recording or reproducing operation.

As described above, when the optical disc 4b is inserted from the insertion slot 5, the disc holder 103
Of the optical disk 4b by the traverse mechanism 111 to perform the operation of recording and reading information on the optical disk 4b. When the disk holder 103 is inserted, it is inclined and locked by the locking portion 113 of the disk holder 103. Even when the disk holder 103 is lowered, the outer peripheral surface of the optical disk 4a contacts the boss 109 and does not enter the inside of the optical disk device. In addition, it is possible to prevent the optical disk device from causing any trouble and to prevent the optical disk from being damaged.

[0036]

According to the present invention, a loading mechanism for moving an optical disk by moving it up and down, and in an optical disk apparatus for an optical disk having a large diameter, a simple mechanism can be used even if an optical disk having a small diameter is inserted. Thus, it is possible to obtain an optical disk device that can prevent an optical disk having a small diameter from entering the inside of the device and can easily take out the optical disk.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an appearance of an embodiment of an optical disk device of the present invention.

FIG. 2 is a schematic configuration diagram showing one embodiment of a loading mechanism of the optical disk device of the present invention.

FIG. 3 is a schematic configuration diagram showing one embodiment of a disk holder of the optical disk device of the present invention.

FIG. 4 is a schematic configuration diagram showing a state where an optical disk having a large diameter is held in a disk holder of the optical disk device of the present invention.

FIG. 5 is a schematic configuration diagram showing a state where an optical disk having a small diameter is locked to a disk holder of the optical disk device of the present invention.

FIG. 6 is a schematic configuration diagram showing a state where an optical disk having a large diameter is held in a disk holder of the optical disk device of the present invention.

FIG. 7 is a schematic configuration diagram showing a state in which a traverse mechanism of the optical disk device of the present invention holds an optical disk having a large diameter.

FIG. 8 is a schematic configuration diagram showing a state where the traverse mechanism of the optical disk device of the present invention is rotating an optical disk having a large diameter.

FIG. 9 is a schematic configuration diagram showing a state where an optical disk having a small diameter is locked to a disk holder of the optical disk device of the present invention.

FIG. 10 is a schematic configuration diagram showing a state where a disk holder is driven downward by a loading mechanism of the optical disk device of the present invention, and an optical disk having a small diameter is in contact with a boss.

[Explanation of symbols]

Reference Signs List 1 optical disk device 2 housing 3 top surface 4 optical disk 5 insertion slot 6 front surface 7 window 8 display unit 9 operation button 10 loading mechanism 101 guide groove 102 protrusion 103 disk holder 104 loading motor 105 loading gear 106 rack gear 107 clamper 108 support 109 boss 109a flange 110 turntable 111 traverse mechanism 111a protrusion 112 holding part 113 locking part 113a inclined part

Claims (2)

[Claims] 1. An optical disk apparatus comprising: a housing having an optical disk insertion opening on an upper surface; a disk holder for holding an optical disk inserted into the housing from the insertion opening; and a loading mechanism for vertically transporting the disk holder. The disc holder has a holding portion for holding a large-diameter optical disc and a locking portion for locking a small-diameter optical disc, and the disc loading mechanism conveys the disc holder when the disc loading mechanism conveys the disc holder downward. An optical disc device, comprising: a stopper provided inside a housing for supporting a small-diameter optical disc locked in a holder in a state of protruding from the insertion opening. 2. The optical disk device according to claim 1, wherein the disk holder passes through an optical disk having a small diameter and holds the left and right outer peripheral surfaces of the optical disk having a large diameter so as to be supported substantially vertically; A locking portion having a slant portion for locking the optical disc and supporting the bottom outer peripheral surface of the small-diameter optical disc in a direction away from the disc holder, wherein the stopper is provided on a casing surface facing the disc holder. An optical disc device comprising: a projection provided to support an outer peripheral surface of an optical disc having a small diameter, which is provided and locked by a locking portion.