JPH1027407A - Optical disk device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an optical disk device capable of performing the loading operation by making the device and disk vertically stand not only horizontally placing them with the use of a disk tray having a recess for housing the disk, without increasing the thickness of the disk tray. SOLUTION: As to the optical disk device loading the disk 3 inside the device from the outside of the device by using the disk tray 2 having the recess 2a for housing the disk 3, when a main body of the device is used also in the vertically standing state not only the horizontally placing state, arms 11 for retaining the disk 3 from the outside of the recess 2a of tray are rotationally protruded to prevent the dropping of the disk 3 from the tray 2, and the arms 11 are made movable in the vertical direction against the surfaces of the disk and tray then away from the disk 3 after the disk is settled inside the device.

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 that performs recording and reproduction using a disk, such as a CD-ROM device, using a disk tray having a concave portion for storing the disk. The present invention relates to an optical disk device for loading a disk from the outside into the device.

[0002]

2. Description of the Related Art A conventional CD-R having a disk tray
An optical disk device such as an OM device assumes that the device is used horizontally. In this horizontally placed apparatus, the disc is placed with the outer diameter of the disc adjusted to the recess for accommodating the disc on the surface of the disc tray, and the recess serves as a guide so that the disc does not fall from the disc tray without falling from the disc tray. Drawn into
Recording and playback could be performed.

[0003] First, such a conventional optical disk device will be described with reference to the drawings. FIG. 11 is a partial plan view of a conventional optical disk device, and FIG. 12 is a cross-sectional view taken along line BB of FIG. FIG. 13 and FIG.
FIG. 12 is a cross-sectional view taken along the line AA of FIG. 11 in a state where the disk tray is pulled out and a state where the disk tray is pulled into the optical disk apparatus main body. In the figure, 1 is CD-RO
M, etc., 2 is a disk tray, 2a is a disk storage recess, 3 is a disk, 21 is a base chassis of the device housing, 31 is a main chassis on which a motor for rotating the disk is mounted, and 33 is a disk rotation motor. It is a turntable.

The operation of such a conventional optical disk device will be described. First, the disk tray 2 is pulled out from the optical disk apparatus main body 1 in a horizontal state. Next, the disc 3 is placed in accordance with the disc storage recess 2a of the disc tray 2. Subsequently, the disc tray 2 is pulled into the apparatus main body 1. At this time, since the disc storage recess 2a functions as a guide, it is possible to prevent the disc 3 from dropping from the disc tray 2. After pulling the disk tray 2 and the disk 3 into the main body 1,
The main chassis 31 is lifted, and the disk 3 is lifted from the disk tray 2 by the disk rotation motor turntable 33 to complete the disk loading operation.

By the way, in order to reduce the number of installation places on a desk, there is a demand for vertically installing a built-in personal computer such as a CD-ROM device or an external CD-ROM device. However, in this conventional optical disk device,
If the disc 3 is placed in the disc storage recess 2a of the disc tray 2 with the apparatus main body 1 standing upright, the disc 3 is detached from the disc storage recess 2a and falls, so that the disc is loaded into the apparatus main body. There was a problem that could not be.

Next, a description will be given of another conventional optical disk device which solves such a problem and which enables disk loading even when the optical disk device is installed vertically. FIG. 15 is a partial plan view of another conventional optical disk device, FIG. 16 is a partially enlarged view near the arm 11 in FIG. 15, and FIGS. 17 and 18 are taken along the line BB in FIG. FIGS. 19 and 20 are sectional views of individual parts. In the figure, 1 is an apparatus main body, 2 is a disk tray, 2a is a disk storage recess, and 3 is a disk. Another conventional optical disk device shown in FIGS. 15 to 20 mainly includes a disk tray 2, a disk pressing arm 11, and an arm fixing pin 12.

In this conventional optical disk apparatus, elliptical disk holding arms 11 for holding the disk 3 are provided at four locations on the outer periphery of the disk storage recess 2a.
When the optical disk apparatus is placed vertically, the disk holding arm 11 is manually rotated and protruded, and the disk tray 2 is rotated.
Surround the disk 3 between. Thus, even when the optical disc apparatus 1 is installed vertically, the disc 3 can be loaded into the apparatus main body 1 without dropping from the disc tray 2.

[0008]

However, the optical disk device having the conventional disk holding arm 11 has the following new problem. As shown in FIG. 18, when recording / reproducing the disc 3,
Is lifted up from the disk storage recess 2a by a turntable (not shown), and is rotated in this state. At the time of recording / reproducing after the disk 3 is installed in the apparatus 1, between the disk 3 and the disk tray 2 and between the disk 3 and the disk holding arm 11 so that the rotating disk 3 does not get in contact with the member. You have to get the gap. For this reason, it is necessary to mount the disc holding arm 11 separately from the disc tray 2 so that these gaps can be formed in advance. Therefore, there arises a problem that the dimension of the disc tray from the disc tray 2 to the disc holding arm 11 becomes thick. As a result, there is a problem that a large hole is formed in the front panel 4 of the CD-ROM device or the like for passing the disc tray portion, thereby restricting the design.

Therefore, an object of the present invention is to provide a disk loading operation to the apparatus main body without increasing the thickness of the disk tray portion and without dropping the disk from the disk tray even when the apparatus main body is installed vertically. An object of the present invention is to provide an optical disk device capable of recording / reproducing a disk.

[0010]

SUMMARY OF THE INVENTION An optical disk apparatus according to the present invention is a disk having an apparatus main body, and a disk tray housed in the apparatus main body and pulled out from the apparatus main body and having a recess for accommodating a rotationally driven optical disk. A tray and a plurality of arms provided on the outer periphery of the concave portion of the disc tray and protruding above the concave portion and moving up and down in a direction substantially perpendicular to the disc tray.

[0011]

The above and other objects of the present invention,
Embodiments of the present invention will be described below in detail with reference to the drawings in order to make the configuration and effects clearer. FIG. 1 is a plan view of an optical disk device according to an embodiment of the present invention with a disk tray 2 pulled out, and FIG. 2 is a partially enlarged view of the vicinity of a disk holding arm 11 in FIG. FIGS. 3 and 4 are cross-sectional views taken along line AA of FIG. 1 in a state where the disk tray 2 is pulled out and a state where the disk tray 2 is pulled in, respectively. 5 and 6 are cross-sectional views along the line BB of FIG. FIG. 7 and FIG. 8 are individual parts drawings of the disc holding arm 11 and the vertical slide base 13 of the present embodiment.

First, the overall configuration of the optical disk device of the present embodiment will be outlined with reference to FIG. 1 which is a plan view. The optical disc device of the present embodiment
Device body 1, disk tray 2, disk storage recess 2
a, a front panel 4, a disk holding arm 11, a base chassis 21, a base chassis protrusion 22, a main chassis 31, a main chassis protrusion 32, and a disk rotation motor turntable 33. The disc tray 2 is provided with a disc storage recess 2a. At four positions on the outer periphery of the disc storage recess 2a, an oval disc holding arm 11 for holding the disc 3 is provided.
Is provided. The disc tray 2 is drawn into the apparatus main body 1 through a hole opened in the front panel 4, and is pulled out. A base chassis 21 is provided inside the apparatus main body 1. On the base chassis 21, an arm-lifting convex portion 22 provided integrally is provided at two locations corresponding to the position of the disc holding arm 11. ing. The function of the arm push-up projection 22 will be described later. Further, a main chassis 3 is provided inside the apparatus body 1.
1 is provided. The main chassis 31 is provided with a disk rotation motor turntable 33 for rotating the disk 3, and further, arm projections 32 are provided at two positions corresponding to the positions of the disk holding arms 11. The function of the arm push-up projection 22 will also be described later.

Next, a planar structure near the disk holding arm 11, which is one of the features of the optical disk device of the present embodiment, will be described with reference to FIG. The disc holding arms 11 arranged at four locations on the outer peripheral portion of the disc storage recess 2a of the disc tray 2 have an oval shape, and are each mounted so as to be freely rotatable about an arm fixing pin 12. Each of the arms 11 moves the disc 3 toward the center of the disc 3 as shown by a solid line in FIG.
The protruding state 11a protruding upward, the first storage state 11b as shown by the two-dot chain line in FIG. 2, and the first storage state 11b rotated 180 degrees from the first storage state 11b as shown by the two-dot chain line in FIG. Positioning is performed in three states of two storage states 11c. In the storage states 11b and 11c, the arm 11 holds the disk 3 in the disk storage recess 2a.
It is located in a direction that does not hinder the mounting of.

Next, a sectional structure near the disk holding arm 11 of the present embodiment will be described with reference to FIGS. FIG. 5 is a sectional view of the vicinity of the disc holding arm 11 in a state where the disc tray 2 is pulled out from the optical disc apparatus main body 1, and FIG. FIG. 4 is a cross-sectional view of the vicinity of a holding arm. Here, a cross-sectional view near the disc holding arm 11 located on the near side of the optical disc apparatus is shown as an example. The disc holding arm 11 has an opening, and is attached by an arm fixing pin 12 so as to be freely rotatable on the vertical sliding base 13 around the opening. The vertical slide base 13 is provided with one convex portion 13a on the surface thereof, and the vertical slide base 13 is formed by a plurality of concave portions 11d provided on the surface of the disk holding arm 11 on the disk tray 2 side. In contrast, the disc holding arm 11 is positioned in the rotation direction. The protrusion 13a of the base 13 for vertical sliding is arranged, for example, as shown in the plan view of FIG. As shown in the plan view of FIG. 7, the recesses 11d of the disc holding arm 11 are arranged at, for example, three places. Disc holding arm 1
When a material having elasticity is selected, the disk pressing arm 11 itself is deformed when the disk pressing arm 11 is rotated by hand, so that the vertical sliding base 13 is formed.
The concave portion 11d of the disc holding arm 11 can get over the convex portion 13a.

Further, the vertical slide base 13 can freely slide substantially vertically with respect to the disc tray 2. Normally, a return spring 14 inserted between the disc tray 2 and the base 13
As a result, as shown in FIG. That is, in this state, the disc holding arm 11 is located at the first position. Disc tray 2
When is stored in the optical disk device, as shown in FIG. 6, the vertical slide base 13 is pushed up by the arm pushing convex portion 22 provided integrally with the base chassis 21. That is, the return spring 14 is contracted, and the disc holding arm 11 on the vertical slide base 13 is raised. That is, in this state, the disc holding arm 11
Is separated from the disc tray 2 and located at a second position above the first position. Here, the disc holding arm 1
1 is raised by a distance sufficient to rotationally drive the disk 3 of FIG. 6 even when chucked by a disk rotation motor turntable not shown in FIG. 6 and lifted from the disk tray 2.

Next, the overall operation of the optical disk apparatus according to the present embodiment will be described in detail with reference to FIGS. When the disc tray 2 is pulled in, after the disc tray 2 has passed through the front panel 4 of the apparatus, the disc holding arms 11 and the arm fixing pins 1 at two positions on the near side in FIG.
As shown in FIG. 4, the base 13 for vertical sliding uses the pulling-in operation of the disk tray 2 as a driving force, and is provided with two convex portions 22 for pushing up the arms provided integrally with a base chassis 21 inside the apparatus. Each is pushed up. Further, after the pull-in of the disk tray 2 is completed, the main chassis 31 is raised in order to move the disk 3 from the disk tray 2 to the disk rotation motor turntable 33. 11 is pushed up by two arm push-up projections 32 attached to the raised main chassis 31.

When the disc 3 is set inside the apparatus, it flies above the disc tray 2. At this time, since the disc holding arms 11 are pushed up as described above, there is a clearance and the disc 3 interferes. The disk 3 can be freely rotated by the disk rotation motor turntable 33.

Conversely, when taking out the disk 3 from the inside of the apparatus, the disk pressing arm 11 is released from being pushed up against the disk tray 2 and is pressed against the disk tray 2 by the return spring 14 so that the disk tray section is returned again. Becomes thinner, passes through a hole opened in the front panel 4, and is taken out.

Next, a description will be given of a case where the optical disk device of the present embodiment is placed horizontally and a case where the optical disk device is placed vertically. When the apparatus main body 1 is placed horizontally, the disc holding arm 11 is manually rotated and stored so as not to be in contact with the disc storage recess 2a as shown by 11b and 11c in FIG. Thus, the disc loading can be completed by the same operation as that of the conventional optical disc apparatus without hindering the operation of placing the disc 3 in the disc storage recess 2a.

When the apparatus main body 1 is placed vertically, three of the four disc holding arms 11 except the upper one on the front side are projected into the disc storage recess 2a of the disc tray 2. Beforehand by hand. The disc 3 is inserted into the disc accommodating recess 2a of the disc tray 2 from the position of the disc holding arm 11 on the upper side where the disc holding arm did not protrude. By surrounding the disk 3 with the disk storage recess 2a of the disk tray 2 and the three disk holding arms 11, the disk 3 is prevented from dropping from the disk storage recess 2a.

For example, when the apparatus is placed vertically in the lower left position as shown in FIG. 9, one arm 11-1 on the front upper side is rotated and accommodated, and three disc holding arms 11- are removed.
2, 11-3 and 11-4 are manually rotated in advance so as to protrude into the disc storage recess 2a of the disc tray 2. By doing so, the disk storage recess 2a of the disk tray 2 and the three disk holding arms 11-2 are provided.
By surrounding the disk 3 with 11-4, the disk loading can be completed while preventing the disk 3 from dropping from the disk storage recess 2a.

At the time of vertically placing the apparatus at the lower right side as shown in FIG. 10, one arm 11-2 on the front upper side is rotated and stored, and three disc holding arms 11-1 and 1 are removed.
1-3 and 11-4 are manually rotated in advance so as to protrude into the disc storage recess 2a of the disc tray 2. By doing so, the disk storage recess 2a of the disk tray 2 and the three disk holding arms 11-1, 1
By surrounding the disk 3 with 1-3 and 11-4,
The disc loading can be completed while preventing the disc 3 from dropping from the disc storage recess 2a.

As described above, according to the present embodiment, the disk tray 2 on the outer peripheral portion of the disk storage recess 2a is provided.
At four positions, a vertical slide base 13 that can move up and down in a direction substantially perpendicular to the disk tray 2 is provided, and an oval disk holding arm 11 for holding the disk 3 is provided on the base 13. Is provided. When the disc tray 3 is pulled out from the apparatus main body 1, the disc holding arm 11 is in contact with the disc tray 2, and the size of the disc tray portion becomes thin, and the disc 3
From the disc tray 2 is prevented. Since the dimensions of the disk tray portion are reduced, the size of the hole opened in the front panel 4 and through which the disk tray 2 passes can be reduced, and the entire apparatus can be reduced in thickness. When the disc tray 3 is pulled into the apparatus main body 2,
The disc holding arm 11 rises vertically from the disc tray 2 so as not to hinder the rotational drive of the disc 3, so that the disc 3 can be driven to rotate with a sufficient clearance between the disc 3 and its peripheral members. become. Therefore, according to the present embodiment, the disc 3 can be loaded not only horizontally but also in a state where the apparatus main body is set up vertically, while the disc tray section from the disc tray 2 to the disc holding arm 11 is thinned.

[0024]

For example, if the vertical movement distance of the disc holding arm 11 of the above embodiment is 2.2 mm,
The thickness of the conventional disk tray shown in FIG.
In contrast to 2.5 mm, the thickness of the disk tray in the above embodiment can be 10.3 mm, and the size of the disk tray is 2.2 m compared to the conventional one.
m could be reduced. As a result, the size of the hole that is opened in the front panel 4 and through which the disc tray section moves can be reduced, and as a result, the thickness of the optical disc apparatus itself can be reduced.

Although the preferred embodiments and examples of the present invention have been described above, the present invention is not limited to these, and various modifications can be made. For example, in the above-described embodiment, the case where the disc holding arm, the arm fixing pin, and the vertical slide base are provided at four places of the disc tray is described. However, the places to be provided can be increased or decreased as long as the disc can be prevented from dropping. In that case,
What is necessary is just to increase or decrease the number of the arm push-up protrusions provided correspondingly in the apparatus body.

[0026]

As described above, by employing the optical disk apparatus of the present invention, there is an advantage that the disk can be loaded not only horizontally but also with the apparatus body standing upright. Further, there is an advantage that the thickness of the disk tray portion can be reduced by making the disk holding arm portion movable up and down.

[Brief description of the drawings]

FIG. 1 is a plan view of an optical disc device according to an embodiment of the present invention.

FIG. 2 is a disc holding arm 1 of the optical disc apparatus of FIG.
FIG.

FIG. 3 is a cross-sectional view of the optical disk device of FIG. 1 taken along line AA.

FIG. 4 is a cross-sectional view of the optical disk device of FIG. 1 taken along line AA.

FIG. 5 is a cross-sectional view of the optical disk device of FIG. 1 taken along line BB.

FIG. 6 is a cross-sectional view of the optical disk device of FIG. 1 taken along line BB.

FIG. 7 is a diagram showing a single part of the disc holding arm 11 according to the embodiment;

FIG. 8 is a diagram showing a single part of the upper and lower slide bases 13 according to the embodiment;

FIG. 9 is a perspective view for explaining an example of installation of a disc pressing arm when the apparatus is vertically placed at the lower left of the embodiment.

FIG. 10 is a perspective view for explaining an example of installation of a disc pressing arm when the apparatus is vertically placed at the lower right of the embodiment.

FIG. 11 is a plan view showing a conventional optical disk device.

12 is a cross-sectional view of the optical disk device of FIG. 11 taken along line BB.

13 is a disk tray 3 of the optical disk device of FIG.
FIG. 4 is a cross-sectional view taken along the line AA in a state where is drawn out.

14 is a disk tray 3 of the optical disk device of FIG.
FIG. 3 is a cross-sectional view taken along line AA in a state in which is stored.

FIG. 15 is a plan view of another conventional optical disk device.

16 is a partially enlarged view of the vicinity of a disk holding arm 11 of the optical disk device of FIG.

17 is a cross-sectional view of the optical disk device of FIG. 15 along the line BB in a state where the disk 3 is mounted in the concave portion 2a of the disk tray 2.

FIG. 18 shows a disc 3 obtained by disc loading.
5 is a cross-sectional view of the optical disk device of FIG. 5 taken along the line BB.

FIG. 19 is a plan view of the same disk holding arm.

FIG. 20 is a partially enlarged view of the same disk tray.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Device main body 2 Disk tray 2a Disk storage recess 3 Disk 4 Front panel 11 Disk holding arm 11a Projection state of disk holding arm 11b First storage state of disk holding arm 11c Second storage state of disk holding arm 11d Disk holding arm recess 12 Arm fixing pin 13 Vertical slide base 13a Vertical slide base projection 14 Return spring 21 Base chassis 22 Base chassis projection 31 Main chassis 32 Main chassis projection 33 Disk rotation motor turntable

Claims (16)

[Claims] 1. An optical disk apparatus for loading a disk from the outside of the apparatus to the inside of the apparatus using a disk tray having a recess for accommodating a rotationally driven disk, wherein the disk is disposed on the outer periphery of the recess of the disk tray. An arm for preventing the disc from dropping from the disc tray, and when the disc is installed inside the apparatus, the disc and the disc tray surface are separated from the disc so as not to hinder the rotational drive. An optical disc device comprising an arm movable in a vertical direction. 2. The apparatus includes a turntable for rotating and driving the optical disk and a main chassis having a protrusion for pushing up an arm. When the disk tray is accommodated in the apparatus, the main body has a function of preventing rotation of the optical disk. 2. The optical disk device according to claim 1, wherein the optical disk device is raised by the arm push-up convex portion of the main chassis to a position where the optical disk does not need to be moved. 3. A base chassis having a protrusion for pushing up an arm is provided inside the apparatus, and when the disk tray is housed inside the apparatus, the base chassis is moved to a position where the rotation of the optical disk is not hindered. The optical disk device according to claim 1, wherein the optical disk device is raised by the arm push-up convex portion. 4. An up / down slide base mounted on the disk tray and moving up and down in a direction substantially perpendicular to the disk tray, and an arm fixing the arm to the slide base through an opening provided in the arm. The fixing pin according to claim 1, further comprising a fixing pin.
The optical disk device according to claim 2 or 3. 5. The arm has a plurality of recesses on its surface, the upper and lower slide bases have protrusions, and one recess of the arm and the protrusions of the upper and lower slide bases are fitted to each other. The optical disk device according to claim 4, wherein the arm has a fixed direction. 6. The device according to claim 1, wherein said arm is made of a resilient material.
An optical disk device according to claim 4 or claim 5. 7. The disk drive according to claim 1, wherein the disk is chucked by the turntable and raised to a position away from the recess of the disk tray by raising the main chassis inside the device. 2. Claim 3, Claim 4, Claim 5 or Claim 6.
An optical disk device as described in the above. 8. An apparatus main body, and a disk tray housed in the apparatus main body and pulled out from the apparatus main body,
A disk tray having a concave portion for accommodating the optical disk to be rotated; and a plurality of arms provided on an outer periphery of the concave portion of the disk tray and protruding above the concave portion and moving vertically in a direction substantially perpendicular to the disk tray. An optical disk device provided. 9. The arm is located at a first position for preventing the optical disk from being detached from the disk tray when the disk tray is pulled out from the apparatus main body, and pulls the disk tray into the apparatus main body. 9. The optical disk device according to claim 8, wherein the optical disk device moves up and down so as to be positioned at a second position that allows the optical disk to be rotationally driven. 10. The apparatus main body includes a turntable for rotating and driving the optical disc and a main chassis having a protrusion for pushing up an arm. When the disc tray is housed in the apparatus main body, the apparatus main body is driven to rotate. 10. The optical disk device according to claim 9, wherein the arm push-up portion of the main chassis is moved up to the allowable second position. 11. The apparatus main body includes a base chassis having a protrusion for pushing up an arm, and when the disc tray is housed in the apparatus main body, the apparatus main body is rotated to the second position allowing rotation of the optical disc. 11. The optical disk device according to claim 9, wherein the optical disk device is raised by the arm push-up protrusion of the base chassis. 12. The arm according to claim 8, wherein the arm has an opening, and rotates about the opening.
The optical disk device according to claim 10. 13. An up / down slide base attached to the disk tray and moving up and down in a direction substantially perpendicular to the disk tray, and an arm fixing pin for fixing the arm to the slide base through an opening of the arm. 13. The optical disk device according to claim 8, further comprising: an optical disk device. 14. The arm has a plurality of recesses on a surface thereof, the upper and lower slide bases have protrusions, and one recess of the arm and a protrusion of the upper and lower slide bases are fitted to each other. 14. The optical disk device according to claim 13, wherein the arm has a fixed direction. 15. The method according to claim 8, wherein said arm is made of a resilient material.
0, Claim 11, Claim 12, Claim 13, or Claim 1
5. The optical disk device according to 4. 16. The disk according to claim 10, wherein the disk is chucked to the turntable and raised to a position away from the concave portion of the disk tray by raising the main chassis in the apparatus main body. , Claim 11, Claim 12, Claim 13, Claim 1
The optical disk device according to claim 4 or claim 15.