JPH0414665A - Disk reproducing device - Google Patents

Abstract

PURPOSE:To rapidly arrange a disk by making an upper holding member turnable to a disk holding position for holding the disk and a with drawal position capable of disposing the disk to a disk holding part in a reproducing position. CONSTITUTION:In a drive mechanism part chassis 17 of the device, an end part of a tray 12 in the direction of its outer peripheral side is turnably fitted to a supporting member 16 via a vibrationproof rubber. A chassis driving lever 19 for the purpose of driving vertically the drive mechanism part chassis 17 is privided to the drive mechanism part chassis 17 on the side of the other end part, and the drive mechanism part chassis 17 is pushed up via the vibrationproof rubber 15 or this action is released by this chassis driving lever 19, so that a turntable 12 is moved to an upper position for holding the disk and to a lower withdrawal position.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a compact disc player, etc., which arranges a plurality of discs on a rotatable disc arrangement member, indexes these discs to predetermined playback positions, and sequentially plays the discs. The present invention relates to a disc reproducing apparatus, and particularly relates to a disc reproducing apparatus in which an upper part of a disc arranging member is opened so that a disc can be placed in a disc arranging part.

[Conventional technology]

As shown in FIGS. 5 and 6, a conventional disc playback device such as a compact disc player has a disc mounting portion formed on a disc-shaped tray 22 for holding a plurality of discs 21 as recording media. 23, and is equipped with a so-called rotary disc changer mechanism that rotates the tray 22 in, for example, a - fixed direction to index and reproduce the disc placement part 23, that is, the disc 21, to a reproduction value W41. . In such a disc playback device, by opening the dust cover 25, the upper part of the disc arranging member 22 is opened, and a plurality of discs 21 can be attached to and removed from the disc arranging portion 23 of the tray 22. At the playback position 41, there is a fixed arm 24, a lower holding member 42 consisting of a magnetic disc presser 26 provided at the tip of the arm 24, and a turntable 32 as a lower holding member. is provided. The disc 21 placed in the disc placement part 23 at the playback position 41 is held by the lower holding member 42.
It is held by a disc holder 26 and a turntable 32, and is rotated by being driven by a spin motor 33.

As a result, the information recorded on the disc 21 is detected by the optical pickup 35 and reproduced.

[Problem B to be Solved by the Invention] However, in the conventional structure described above, the arm 24 is fixed to the cabinet 7 27, so this arm 24 becomes an obstacle, and if the disc 21 remains as it is, it will not be possible to place the disc 21 at the playback position 41. It is configured such that it cannot be attached to or detached from the disk placement portion 23.

For this reason, if the power is not on, turn on the -variable power and rotate the tray 22; It is necessary to move the disc placement section 23 to a position other than the playback position 41 before attaching or removing the disc 21. In other words, it is not possible to mount and remove all the discs 21 at once in all the disc placement sections 23 on the tray 22, which poses a problem in that it takes time and effort for the user to mount and remove the discs 21. There is.

Therefore, an object of the present invention is to provide a disc playback device in which a disc 21 can be attached and removed without rotating the tray 22 even when the disc placement section 23 of the tray 22 is at the playback position 41. It is something.

[Means to solve the problem]

In order to solve the above-mentioned problems, the disc playback device of the present invention has a plurality of rotatably provided disc placement sections, and discs serving as recording media are individually arranged in these disc placement sections. The disc arranging member includes a disc arranging member, and the disc arranging portion is arranged at a predetermined playback position by rotation of the disc arranging member, and at this playback position there is a lower holding member that holds the disc from below and a lower holding member that holds the disc from above. A disc holding member consisting of a lower holding member and rotatably holding the disc is provided, and playback is performed with the disc held by this disc holding member, and the upper part of the disc mounting member moves the disc to the disc mounting portion. The following measures are taken in a disc playback device that can be opened for installation.

That is, the lower holding member is rotatably provided between a disk holding position where the disk is held and a retracted position where the disk can be placed in the disk holding section at the playback position.

[For production]

According to the above configuration, when a disc is placed in the disk placement part of the disk placement member, the lower holding member is rotated to the retracted position when the disk is placed in the disk placement part that is in the playback position. This allows the disk to be placed in the disk placement section. Further, after the disk is disposed, the lower holding member is returned to a state in which it can rotatably hold the disk by rotating the lower holding member to the disk holding position again. In this manner, with this apparatus, even when the disc placement section is at the playback position, the disk can be placed quickly.

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS. 1 to 4.

As shown in FIGS. 1 to 4, the disc playback device according to the present invention has a disc-shaped tray 2 as a disc mounting member, and this tray 2 rotates in a fixed direction. ing. The tray 2 has a plurality of recessed disk placement portions 3, in which the disks 1 are placed, formed at equal intervals. Each disk arrangement section 3 includes a turntable 1, which will be described later.
An elongated hole 3a is formed to allow the optical disc 2 to pass therethrough and to ensure an optical path between the optical pickup 13 and the disk 1.

The tray 2 described above is provided approximately at the center of the main body chassis 7 and exposed from the main body chassis 7.

The dust cover 5 is mounted on a hinge 40 on the main body chassis 7.
It is rotatably provided.

An arm 4 extending from the main body chassis 7 toward the center of the tray 2 is provided above the tray 2 at the playback position 11 for playing back the disk 1. A magnetic disk retainer 6 is provided at the corresponding location. These arms 4 and disk presser 6 constitute an upper holding member 36. A hinge portion 10 is formed at the rear portion of the arm 4 to allow the front portion of the arm 4 to rotate in the vertical direction. As a result, the arm 4 is rotated between a disk holding position where the arm 4 is substantially parallel to the surface of the tray 2 and holds the disk 1, and an upper retracted position. Further, claws 8 extending vertically downward from 1 are formed at both end portions of the arm 4, and mold holes 9 for fixing the claws 8 are formed in the main body chassis 7 at portions corresponding to the claws 8. .

As shown in FIG.
8 is placed. This disk drive mechanism section 18 has a spin motor 14 for rotating the disk 1,
A turntable 12 is attached to the upper end of the rotating shaft of the spin motor 14 as a lower holding member that rotatably holds the disk 1 together with the disk presser 6.

The spin motor 14 described above is attached to a drive mechanism chassis 17. This drive mechanism chassis I7 is
An end portion of the tray 2 in the outer peripheral direction is rotatably attached to a support member 16 via a vibration isolating rubber 15. On the other end side of the drive mechanism chassis 17, there is a drive mechanism chassis 1.
A chassis drive lever 19 is provided to raise and drive the turntable 12, and when the chassis drive lever 19 pushes up the drive mechanism chassis 17 via the vibration isolating rubber 15 or releases its operation, the turntable 12 is moved. It is designed to move to an upper position for holding the disk l and a lower retracted position. That is, when the turntable 12 moves to the upper position, the disk l is lifted by the turntable 12 above the disk placement part 3 and is held between the turntable 12 and the disk holder 6, as shown in FIG. On the other hand, when the turntable 12 moves to the retracted position, as shown in FIG.
A disk l is placed on a disk placement section 3.

An optical pickup 13 for detecting signals recorded on the disk 1 is provided between the spin motor 14 and the anti-vibration rubber 15 in the drive mechanism chassis 17.

This optical pickup 13 is adapted to move along a guide shaft 20 in the radial direction of the disk l.

In the above configuration, a case will be described in which a disk 1 is previously placed in all of the plurality of disk placement portions 3 formed on the tray 2, and all the disks 1 are to be replaced.

First, the dust cover 5 is opened upward, and the upper part of the tray 2 is opened so that the disk 1 can be placed in the disk placement section 3.

Next, force is applied to the claws 8 on both sides of the arm 4 in directions opposite to each other, and the upper holding member 36 is pulled upward to remove the claws 8 from the mold hole 9, thereby removing the main body chassis. 7. Remove the front part of the arm 4 fixed to the main body chassis 7. Next, the rotatable arm 4 is pushed up to the upper retracted position to open the space above the disk 1 placed in the disk placement section 3 at the playback position 11. After that, the disks 1 are replaced, and once all the disks 1 have been newly installed, the arm 4 that was pushed upward is rotated downward, and the claw 8 is inserted into the mold hole 9, and the arm 4 is moved into the main body. It is fixed to the chassis 7 and placed at the disc playback position 11. Finally, close the dust cover 5 that was opened upward.

〔Effect of the invention〕

As described above, in the disc playback device of the present invention, the upper holding member is rotatable between the disc holding position where the disc is held and the retracted position where the disc is placed in the disc holding section at the playback position. This is the configuration provided in.

As a result, when placing a disk, no matter where the disk placement unit is placed on the disk placement member, there is no need to turn on the power and rotate the disk placement member; Can be quickly installed. Therefore, the operation at the time of disk placement is simplified, and the time required for disk placement is shortened.

[Brief explanation of drawings]

1 to 4 show one embodiment of the present invention. FIG. 1 is a perspective view showing the structure of a playback position of a disc playback device. FIG. 2 is a perspective view of the disc playback device. FIG. 3 is a schematic vertical cross-sectional view showing the rotating state of the upper holding member. FIG. 4 is a schematic vertical cross-sectional view showing the rotating state of the disk drive mechanism section. 5 and 6 show conventional examples. FIG. 5 is a perspective view of the disc playback device. FIG. 6 is a schematic vertical sectional view showing the structure of the reproduction position. 1 is a disk, 2 is a tray (disk placement member), 3 is a disk placement part, 4 is an arm (upper holding member), 6 is a disk holder (upper holding member), 8 is a claw, 9 is a mold hole, 10 Reference numeral 11 indicates a hinge portion, and reference numeral 11 indicates a playback position 12 a turntable (lower holding member).

Claims (1)

[Claims] 1. It has a plurality of disk placement parts that are rotatably provided, and includes a disk placement member in which disks as recording media are individually placed in these disk placement parts, and by rotation of this disk placement member, The disc placement section is arranged at a predetermined playback position, and at this playback position, the disc is rotatably held by a lower holding member that holds the disc from below and an upper holding member that holds the disc from above. In the above-mentioned disc playback device, a holding member is provided, the disc is played while being held by the disc holding member, and the upper part of the disc placement member is opened so that the disc can be placed in the disk placement portion. The upper holding member is rotatably provided between a disk holding position for holding the disk and a retracted position for allowing the disk to be placed in the disk holding portion at the playback position. Device.