JP3877166B2 - Optical disk device - Google Patents

Description

  The present invention relates to an optical disc apparatus, and more particularly to an optical disc apparatus that uses an optical disc while holding it in a vertical direction.

  2. Description of the Related Art Conventionally, as shown in FIG. 5, an optical disk apparatus that holds and uses an optical disk in a vertical direction is known as an optical disk apparatus that reproduces / records information on an optical disk. The optical disc apparatus 100 includes a tray 2 and a storage unit 3 for storing the tray 2, and when the button 30 is pressed, the tray 2 slides and performs loading and ejection operations. The tray 2 includes a disk holding unit 21 that holds the optical disk 10, a turntable 22 that rotates the held optical disk 10 using a drive motor, and an optical pickup 23. The optical disk 10 is rotationally driven by the turntable 22 while being held by the disk holding unit 21, and information is reproduced / recorded by the optical pickup 23. Such an apparatus 100 has an advantage that the width of the front of the apparatus can be reduced, and is mounted on, for example, a tower-type personal computer. However, in such an apparatus 100, there is a possibility that the optical disk 10 may be dropped and damaged when the optical disk 10 is mistakenly attached to the disk holding unit 21.

On the other hand, there is known an optical disc apparatus that includes a plurality of movable holding members for holding an optical disc and a link mechanism that interlocks the plurality of movable holding members and can be used even in a vertically placed state (for example, Patent Document 1). reference). In addition, the tray includes a fixed holding unit that holds the end surface of the optical disc on the inclined surface, and a movable holding unit that holds the end surface of the optical disc on the inclined surface on the other end side of the optical disc. The movable holding part moves in response to the king release operation, and the optical disk device that can be used in a vertical state by releasing the optical disk during chucking, and the four lock arms provided on the outer periphery of the tray hold the optical disk. Thus, there is known an optical disc apparatus that holds an optical disc vertically on a tray, loads the optical disc into the optical disc apparatus main body, and releases the holding after the loading is completed (see, for example, Patent Document 2 and Patent Document 3).
JP 2001-110119 A JP-A-11-167760 JP-A-7-153163

  However, in the inventions described in Patent Documents 1 to 3, although the optical disk can be vertically loaded on the tray by the movable holding member, the fixed holding part, the movable holding part, and the lock arm, the optical disk can be loaded. It is not intended to prevent the optical disk from dropping if the mounting of the optical disc is missed. The optical disk devices described in Patent Documents 1 to 3 chuck the optical disk on the turntable after completion of loading of the optical disk. The optical disk apparatus 100 does not have a turntable on the tray 2. The operation mechanism at the time of ejection and loading is different.

  The present invention has been made to solve the above-described problems, and includes a tray having a turntable that rotates by mounting an optical disk in a vertical direction, and a storage unit that stores the tray, and the tray slides. Accordingly, an object of the present invention is to provide an optical disc apparatus capable of preventing the optical disc from dropping when the optical disc apparatus that performs loading and ejecting operation is mistakenly attached to the optical disc.

In order to achieve the above object, the invention of claim 1 comprises a tray having a turntable for rotating an optical disk mounted in a vertical direction, and a storage portion for storing the tray, and the tray is mounted on the turntable. In the optical disc apparatus that performs the loading and ejection operations by sliding and moving parallel to the recording surface of the optical disc, the storage portion includes a slope that gradually increases from the entrance side to the back side of the storage portion, and the slope And a projection for a cam having a flat surface that is constant at the height of the top of the slope, and the tray guides the optical disk when the optical disk is mounted on the turntable. A disk receiving member for receiving the optical disk is provided, and the disk receiving member is oriented parallel to the moving direction of the tray. And shaft, is oriented parallel to the rotation shaft, a lever which rotates around the rotation shaft, and swings back and forth with respect to the mounting surface of the optical disk in accordance with the rotation of the lever, the optical disk A pair of disc receiving portions for receiving the cam, and a cam contact having a slope that gradually decreases toward the entrance side of the storage portion to which the protruding portion of the storage portion contacts when the tray is loaded and loaded. And the lever is pivotally urged by a spring so that the lever moves to a disc receiving position where the disc receiving portion can receive the optical disc. And the lever are disposed on the back side of the tray, and the abutting portion is inserted through the opening formed in the tray to the surface side of the tray, and contacts the protrusion on the surface side of the tray. It is, the disc receiving member, when the loading operation of the tray, rotates against the urging force of the spring by the slope of the contact portion is pressed along the slopes of the protrusions, loading completion sometimes the disc receiving portion is moved to a position that does not contact with the optical disk mounted on the turntable, and by the biasing force of the spring from the loading completion state at the time of transition to the eject mode receives said disc receiving portion and the disc It is characterized by returning to the position .

  In this configuration, when the tray is in the ejected state, the disc receiving portion is arranged at the disc receiving position by the urging force of the spring applied to the lever. Therefore, when mounting the optical disc on the turntable, this disc receiving portion is used as a mounting guide. In addition to being able to be used, the optical disc can be received by the disc receiving portion even when the optical disc is mismounted. Further, the lever is rotated against the urging force of the spring when the contact portion is pressed by the protruding portion of the storage portion during the tray loading operation, and the disc receiving portion is being reproduced and / or recorded. Move to a position where it does not contact the optical disc.

  As described above, according to the first aspect of the present invention, in the ejected state, the disk receiving portion is arranged at the disk receiving position by the biasing force of the spring applied to the lever. The receiving part can be used as a mounting guide, and even when the optical disk is mismounted, the optical disk can be received by the disk receiving part to prevent the optical disk from falling. For this reason, the optical disk is not dropped and damaged. Further, during the loading operation, the disc receiving portion moves to a position where it does not come into contact with the optical disc attached to the turntable when the contact portion of the tray is pressed by the protruding portion of the storage portion. Information can be reproduced and / or recorded on the optical disc without affecting the reproduction / recording operation of the optical disc apparatus.

  An optical disc apparatus according to an embodiment of the present invention will be described with reference to FIGS. The optical disc device 1 is a device that reproduces and / or records information on an optical disc 10 such as a CD (compact disc) or a DVD (digital video disc). Or, a recording operation is performed.

  As shown in FIG. 1, the optical disk apparatus 1 includes a tray 2 on which an optical disk 10 is mounted, and a storage unit 3 that stores the tray 2 by sliding it in a pull-out manner. When the button 2 is pressed, the tray 2 is ejected or loaded in the direction of arrow A by a drive mechanism (not shown) provided inside the main body of the apparatus 1.

  The tray 2 includes a disk holding unit 21 for holding the optical disk 10, a turntable 22 for rotating the held optical disk 10 by a drive motor M (see FIG. 2), an optical pickup 23 for reading data on the optical disk 10, and a front cover 24. The disc receiving portion 4 is a feature of the present invention. 2, the illustration of the front cover 24 of the tray 2 is omitted, and the illustration of the drive motor M is omitted in FIGS. 3 and 4, the tray 2 and the storage unit 3 existing inside the main body of the apparatus 1 are indicated by solid lines.

The disc receiving portion 4 is for guiding and receiving the optical disc 10 mounted on the disc holding portion 21 and is provided on the tray 2 so as to be swingable in the front-rear direction with respect to the optical disc 10 mounted on the turntable 22. It has been. The disc receiving portion 4 has a left and right one below the surface 20 (hereinafter referred to as a disc mounting surface) 20 of the tray 2 on which the optical disc 10 is mounted so that the mounted optical disc 10 can be received from below. It is provided one by one. In addition, a groove 4 a for guiding the optical disc 10 is provided on the back side of the disc receiving portion 4 so that the center hole 10 a of the optical disc 10 is disposed in the vicinity of the disc holding portion 21 when the optical disc 10 is received. The disc receiving portion 4 is provided with a cam contact portion 5 with a lever 6 interposed therebetween. The abutment portion 5 has a slope 5a that gradually decreases toward the entrance side of the storage portion 3, and abuts against a protrusion 32 (to be described later) of the storage portion 3 when the tray 2 is loaded and when loading is completed.

  The lever 6 is provided on the back side of the disc mounting surface 20 of the tray 2 so as to be rotatable by a rotation shaft 61 extending in the arrow A direction. As shown in FIGS. 1 and 4, the disk receiving portion 4 extends from the rotation shaft 61 of the lever 6 through the opening 40 provided in the disk mounting surface 20 to the front side of the disk mounting surface 20. The contact portion 5 extends downward from the rotating shaft 61 and extends to the front side of the disc mounting surface 20 through an opening 50 provided in the disc mounting surface 20. Further, the lever 6 is urged to rotate in the direction of arrow C (see FIG. 2) so that the disc receiving portion 4 can move to the disc receiving position where the optical disc 10 can be received by the spring 62 attached to the rotating shaft 61. In the ejected state, the disc receiving portion 4 is disposed at the disc receiving position.

  As shown in FIG. 3, the storage unit 3 gradually increases in height from the facing surface 31 toward the back surface 31 facing the optical disk 10 mounted on the turntable 22 from the entrance side to the back side of the storage unit 3. A cam protrusion 32 having a rising slope 32a and a flat face 32b that is continuous with the slope 32a and has a constant height at the top of the slope 32a is provided. The cam mechanism is constituted by the protruding portion 32 and the contact portion 5.

  Next, a procedure for mounting the optical disk 10 on the disk holding portion 21 will be described with reference to FIGS. 1 and 2A. The optical disk 10 is inserted into the disk receiving portion 4 from the direction of arrow B. The optical disc 10 inserted into the disc receiving portion 4 is received by the groove 4 a of the disc receiving portion 4. The optical disc 10 received by the disc receiving portion 4 is supported by the groove 4a so that the center hole 10a is disposed in the vicinity of the disc holding portion 21. From this state, the optical disk 10 is pushed into the tray 2 side, and the center hole 10 a of the optical disk 10 is fitted into the disk holding portion 21. The optical disc 10 is thus attached to the disc holding portion 21 and is rotationally driven by the turntable 22 in a non-contact state with the portions other than the disc holding portion 21 and the turntable 22. Or recording is performed. As described above, the disk receiving unit 4 functions as a mounting guide when the optical disk 10 is mounted, so that the optical disk 10 can be easily mounted on the disk holding unit 21.

  The optical disk 10 is mounted when the tray 2 is ejected in the forward direction of the apparatus 1 and disposed in the ejected state of the tray 2 shown in FIGS. 2 (a), 3 (a), and 4 (a). The At this time, the disk receiving portion 4 is disposed at the disk receiving position by the urging force of the spring 62 applied to the lever 6. The disc receiving portion 4 arranged at the disc receiving position guides the mounting of the optical disc 10 and prevents the optical disc 10 from falling by receiving the optical disc 10 even when the user makes a mistake in mounting the optical disc 10. For this reason, the optical disk 10 is not dropped and damaged.

  Next, the loading operation will be described with reference to FIGS. 2 (b), 3 (b), and 4 (b). When the button 30 is pressed, the tray 2 slides in the direction of arrow A and starts a loading operation. When the tray 2 is loaded into the storage unit 3, the inclined surface 5 a of the contact portion 5 of the tray 2 contacts the inclined surface 32 a of the protruding portion 32 provided in the storage unit 3. Further, when the tray 2 is loaded, the contact portion 5 moves to the flat surface 32b along the inclined surface 32a while being pressed by the protruding portion 32, as indicated by an arrow D in FIG. When the contact portion 5 is pressed by the protruding portion 32, the lever 6 rotates about the rotation shaft 61 in the direction of arrow E opposite to the biasing force of the spring 62 against the force of the spring 62. As the lever 6 rotates in the direction of arrow E, the disc receiving portion 4 swings forward with respect to the optical disc 10 mounted on the turntable 22, and is held by the turntable 22 in the loading completion state. It moves to a position where it does not contact the optical disk 10. For this reason, the disc receiving unit 4 can reproduce and / or record information on the optical disc 10 without affecting the reproduction / recording operation of the optical disc apparatus 1.

  The present invention is not limited to the configuration of the above embodiment, and various modifications can be made. For example, the means for transmitting the loading and ejecting operations of the tray 2 to the swinging operation of the disc receiving portion 4 is not limited to the combination of the protruding portion 32 and the contact portion 5, and the operation of the tray 2 is transmitted to the disc receiving portion 4. Any possible cam mechanism or switch and drive means can be used. The loading and ejecting operations of the tray 2 are not limited to those operated by the button 30, and the loading or ejecting operation may be started when the tray 2 is pushed with a predetermined force.

1 is a perspective view showing an optical disc apparatus according to an embodiment of the present invention. (A) is a front view which shows the ejection state of the apparatus, (b) is a front view which shows a loading completion state. (A) is a top view showing an ejected state of the apparatus, (b) is a top view showing a loading completion state. (A) is a side view showing an ejected state of the apparatus, (b) is a side view showing a loading completion state. FIG. 6 is a perspective view of a conventional vertical optical disk device.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Optical disk apparatus 2 Tray 3 Storage part 4 Disc receiving part 5 Contact part (cam mechanism)
5a Slope 6 Lever
10 optical disk 20 disk mounting surface 22 turntable 32 protrusion (cam mechanism)
32a Slope 32b Plane 61 Rotating shaft 62 Spring

Claims (1)

A tray having a turntable that rotates by mounting an optical disk in a vertical direction and a storage unit that stores the tray are slid in parallel with respect to the recording surface of the optical disk mounted on the turntable. In an optical disc apparatus that performs loading and ejecting operations,
The storage portion has a slope that gradually increases from the entrance side to the back side of the storage portion, and a cam protrusion having a flat surface that is continuous with the slope and is constant at the height of the top of the slope. Is provided,
The tray is provided with a disk receiving member for guiding the optical disk and receiving the optical disk when the optical disk is mounted on the turntable,
The disk receiving member is
A pivot shaft oriented parallel to the direction of movement of the tray;
This is oriented parallel to the rotation axis, a lever which rotates around the rotation axis,
A pair of disk receiving portions that swings in the front-rear direction with respect to the mounting surface of the optical disk as the lever rotates, and receives the optical disk;
Anda abutment cam having a progressively lower slopes toward the inlet side of the housing section the protrusion is contacting the housing part during the loading operation and the loading completion of the tray, and integrally Formed
The lever is pivotally biased by a spring so that the disc receiving portion moves to a disc receiving position where the disc receiving portion can receive the optical disc,
The pivot shaft and lever are disposed on the back side of the tray,
The contact portion is inserted from the opening formed in the tray to the surface side of the tray, and is in contact with the protruding portion on the surface side of the tray,
The disk receiving member rotates against the urging force of the spring when the inclined surface of the contact portion is pressed along the inclined surface of the protruding portion during the loading operation of the tray. The disc receiving portion is moved to a position where it does not contact the optical disc mounted on the turntable, and the disc receiving portion is moved to the disc receiving position by the urging force of the spring at the time of transition from the loading completion state to the ejecting state. An optical disc apparatus characterized by being restored.

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