JPH0917084A - Optical disk drive device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To unnecessitate an overlapping part of a tray and a housing each other by fitting a rail forming a bezel with a door energized in a required direction by a spring of a lower cover onto a projection of the tray. SOLUTION: The tray 1 having a projecting part 1a on a side surface, in which an optical disk is housed into a cover part 6 consisting of upper and lower covers 4 and 5. When this tray 1 is drawn out of the cover part 6 at the exchange of disks, etc., the door 2a forming the bezel with the rail is opened and the rail 3 energized in the closing direction by the spring of the cover 5 is fitted onto the projection 1a to form the overlapping part by the rail 3 and the projection 1a, and hence it is not necessary to provide an overlapping part against vertical force between the cover part 6 and the tray 1. As a result, the optical disk drive device can be thinned and miniaturized.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical disk drive device for mounting an optical disk and picking up stored information.

[0002]

2. Description of the Related Art In recent years, optical memory disks, optical video disks, etc. have come to be used for external storage devices, video reproducing devices, etc., and it is required that an optical disk drive device for picking up disk information is small. became.

A conventional optical disk drive device will be described below with reference to the drawings. FIG. 5A shows a cartridge in a conventional caddy type optical disc drive device, and FIG. 5B is a perspective view showing a conventional caddy type optical disc drive device. In FIG. 5, 1
Reference numeral 01 is an optical disk, 102 is a cartridge called a caddy, 103 is a caddy lid, and 104 is a cover portion (housing) including an upper cover and a lower cover.

In FIG. 5, only the cartridge 102 slides from the cover portion 104, and the cartridge 102
The optical disc 101 is mounted on the optical disc 101 and then inserted into the cover portion 104.

FIG. 6 is a perspective view showing a conventional tray type optical disk drive device. In FIG. 6, 10
Reference numeral 1 is an optical disk, 105 is a cover portion including an upper cover and a lower cover, and 106 is a tray.

In FIG. 6, only the tray 106 slides from the cover portion 105, and the optical disc 101 is placed thereon.
, And the tray 106 is slid and inserted into the cover portion 105.

FIG. 7 is a perspective view showing a conventional drawer type optical disk drive device. In FIG. 7, 1
Reference numeral 01 is an optical disk, 106a is a tray, 107 is a chassis, 108 is a cover portion including an upper cover and a lower cover,
109 is an optical pickup.

In FIG. 7, the chassis 107 on which the tray 106a, the optical pickup 109 and the like are mounted slides from the cover 108, and the chassis 107 is replaced by the tray 10.
After mounting the optical disc 101 on the 6a, the optical disc 101 is slid and inserted into the cover portion 108.

[0009]

However, in the above-mentioned conventional structure, the tray 106 and the cover portion 105 are provided in the tray type, and the chassis 107 is provided in the drawer type in order to have a structure capable of withstanding the load applied when the optical disc 101 is mounted. Therefore, it is necessary to provide the cover portion 108 with an overlapping portion of several tens of millimeters. FIG. 8 is a cross-sectional view showing this overlapping portion. In FIG. 8, 110
Is a cover portion, 111 is a tray, 112 is an overlapping portion, and AR100 is an arrow indicating the mounting direction of the optical disc.

As described above, in the conventional structure, it is necessary to provide the above-mentioned overlap portion 112, so that the cover portion 11 is provided.
In the case of 0, only the overlapping portion 112 has a large size, and there is a problem that it is difficult to make the optical disk drive device small and thin.

The present invention solves the above-mentioned conventional problems, and an object of the present invention is to provide an optical disk drive device which can be easily miniaturized and thinned by eliminating an overlapping portion.

[0012]

In order to achieve this object, an optical disk drive device according to claim 1 of the present invention comprises:
A tray with a substantially flat plate shape having protrusions formed on both side surfaces and a circular optical disc mounting portion formed in a substantially central portion, an upper cover for covering the tray from the upper side, and a back and forth movement on the protrusions The housing is composed of a lower cover having a rail fitted on its inner surface, and a spring provided on the inner surface of the lower cover. And a bezel having a double-opened door in which a rail is arranged on the inner side surface.

[0013]

With the above construction, when the optical disk is taken out, the tray is opened from the double door which is always forced by the protrusion thereof to the closing direction by the spring provided on the inner surface in front of the lower cover. The bezel is pushed out and ejected from the housing. While pushing open the double door of the bezel by the protrusion, the protrusion fits into the rail arranged on the inner surface of the double door of the bezel,
Supported by the rail.

As a result, even if the tray and the housing do not have an overlapping portion, the protruding portion of the tray and the rail attached to the bezel serve as an overlapping portion, and the optical disk is mounted on the tray. Durability against vertical force applied at the time can be provided.

[0015]

【Example】

(Embodiment 1) An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing a tray type optical disk drive device according to an embodiment of the present invention. In FIG. 1, reference numeral 1 denotes a tray having a substantially flat plate shape and having a protrusion portion 1a formed on both side surfaces of the flat plate, an optical disc mounting portion 1b which is a circular recess formed in a central portion of the flat plate, and an optical pickup. 2 is a rail 3 into which the protrusion 1a is inserted
Is integrated in the longitudinal direction, and the bezel 4 has a double door 2a biased in the closing direction about the fulcrum 2b by a spring arranged on the inner surface of the lower cover. The cover 5 is a lower cover having a rail for supporting the protrusion, and 6 is a cover portion (housing) including the upper cover 4 and the lower cover 5.

FIG. 2 is a plan view showing a state where the tray is completely set in the cover portion. In FIG. 2, 1 is a tray, 2 is a bezel, 2a is a door, 2b is a fulcrum, 6 is a cover portion, 101 is an optical disk, and these are the same as those in FIGS. The description is omitted.
Reference numeral 7 is a front portion of the tray 1, and AR1 is an arrow indicating the direction of pulling out the optical disc 101.

In the state shown in FIG. 2, the double door 2a of the bezel 2 is covered by the cover portion 6 by the urging force of a spring (not shown).
Is forced to move in the direction that covers the front surface of the (the right-side bezel rotates in the right direction and the left-side bezel rotates in the left direction when viewed from above). When an eject command for ejecting the optical disc 101 is input from the outside, the tray 1 is unlocked by the eject pin that has received the eject command from the state in which the tray 1 is locked by the lower cover 4 (the state at the time of pickup). And is pushed out from the cover 6 by the driving force of the spring. At this time, the front portion 7 of the tray 1 is pushed out from the cover portion 6 so that the double doors 2a of the bezel 2 are pushed apart. Then tray 1
Is a rail 3 on which a bezel 2 has a protrusion 1a provided on a side surface portion of the flat plate of a substantially flat plate-shaped tray 1.
It enters and moves forward, that is, in the pull-out direction of arrow AR1.

FIG. 3 is a plan view showing a state in which the tray 1 is completely pulled out in the pulling direction of the arrow AR1. FIG.
1, 1 is a tray, 2 is a bezel, 2a is a door, 2b is a fulcrum, 6 is a cover portion, 7 is a front portion of the tray 1, 101
Is an optical disk, and AR1 is an arrow indicating the pull-out direction of the optical disk 101. Since these are the same as those in FIGS. 1, 2, and 5, the same reference numerals are given and description thereof is omitted.

The state of the tray 1 shown in FIG. 3 is a state in which an optical disc can be loaded, and the optical disc 101 is actually loaded. As shown in FIG. 3, the tray 1 and the cover portion 6
Does not directly overlap with each other, but the rail 3 provided on the bezel 2 mounted so as to be sandwiched between the upper cover 4 and the lower cover 5 and the protrusion 1a of the tray 1 mutually Since they support each other, the size of the cover portion can be reduced only by the conventional overlap portion, and the dimension of the entire device in the depth direction can be reduced.

FIG. 4 is a front view of FIG. 2 showing protrusions, rails and the like. In FIG. 4, 1 is a tray, 1a is a protrusion, 2 is a bezel, 3 is a rail, 4 is an upper cover, and 5 is a lower cover. These are the same as those in FIG. Is omitted. As shown in FIG. 4, the protrusion 1 a of the tray 1 is completely inserted into the rail 3 of the bezel 2, so that the tray 1 is supported by the bezel 2.

In this embodiment, the tray 1 is pushed out of the cover portion 6 by the driving force of the spring after the lock state is released by the eject pin, but it is assumed that the tray 1 is pushed out by the driving force of the motor or the like. Good.

As described above, according to the present embodiment, when the optical disk 101 is taken out, the tray 1 is always closed by the protrusion 1a of the tray 1 by the spring provided on the front inner surface of the lower cover 5. It is discharged from the cover portion 6 while pushing open the double-opening door 2a of the bezel 2 which is given a compulsory force. The protruding portion 1a pushes open the double-opening door 2a of the bezel 2, and the protruding portion 1a fits in the groove of the rail 3 attached to the bezel 2 in the longitudinal direction and is supported by the rail 3 to support the protruding portion 1a of the tray 1. Since the rail 3 attached to the bezel 2 serves as an overlapping portion, durability against a vertical force applied when the optical disc 101 is mounted on the tray 1 can be provided, and thus the optical disc drive apparatus The miniaturization can be facilitated.

[0024]

As described above, according to the present invention, a tray having a substantially flat plate shape having the protrusions formed on both side surfaces and the optical disk mounting portion which is a circular recess formed in the substantially central portion is provided. A housing consisting of an upper cover that covers from above and a lower cover that has a rail that is fitted in the protrusions so that it can move back and forth is provided on the inner surface, and a spring that is provided on the inner surface of the lower cover urges the housing in the closing direction. By providing a bezel having a double-opening door in which a rail fitted to the protrusion so as to be movable back and forth is provided, when the optical disc is taken out, the tray causes the protrusion to The spring is placed on the inner surface in front of the lower cover, and while pushing the door of the double-opening bezel that is always given a force to close it, it is ejected from the cover and the bezel door is pushed open by the protrusions. With The protrusion fits in the groove of the rail attached to the bezel and is supported by the rail, and the protrusion of the tray and the rail attached to the bezel play the role of the overlapping part, which is the same as the conventional type. Even if there is no wrap portion, durability against the vertical force applied when the optical disc is mounted on the tray can be provided, so that an optical disc drive device that can be easily downsized can be realized.

[Brief description of the drawings]

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

FIG. 2 is a plan view showing a state where the tray is completely set in the cover part.

FIG. 3 is a plan view showing a state in which the tray is completely pulled out from the cover part.

FIG. 4 is a front view of FIG. 2;

5A is a perspective view showing a cartridge used in a conventional caddy type optical disc drive device. FIG. 5B is a perspective view showing a conventional caddy type optical disc drive device.

FIG. 6 is a perspective view showing a conventional tray type optical disk drive device.

FIG. 7 is a perspective view showing a conventional drawer type optical disk drive device.

FIG. 8 is a cross-sectional view showing an overlapping portion in a conventional optical disk drive device.

[Explanation of symbols]

 1 Tray 1a Projection 1b Optical Disk Mounting Area 2 Bezel 2a Door 2b Support 3 Rail 4 Upper Cover 5 Lower Cover 6 Cover (Housing) 7 Front Part 101 Optical Disk

Claims (1)

[Claims] 1. A tray having a substantially flat plate shape having protrusions formed on both side surfaces and an optical disk mounting portion which is a circular recess formed in a substantially central portion, and an upper cover for covering the tray from above. A housing formed of a lower cover having an inner side surface on which a rail fitted to the protruding section so as to be movable back and forth is provided, and a spring provided on the inner side surface of the lower cover is urged in the closing direction, An optical disk drive device, comprising: a bezel having a double door in which a rail fitted so as to be movable back and forth is disposed on an inner side surface.