JP3412374B2 - Optical disk drive - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a loading mechanism for an optical disk drive device.

[0002]

2. Description of the Related Art An optical disk drive apparatus, which is an apparatus for recording / reproducing information on / from an optical disk recording medium, is generally installed horizontally with the optical disk recording medium installed parallel to the installation surface. In some cases, it may be convenient to install vertically installed vertically to the surface, and conventionally, there are optical disk drive devices for both horizontal installation and vertical installation.

A conventional tray loading type optical disk drive device will be described with reference to the drawings. FIG. 10 is an overall perspective view of a conventional optical disk drive device.

In the figure, α is an optical disk drive device, A is a disk adapter, D1 and D2 are optical disk recording media,
Reference numeral 1 is a housing, 6 is a loading tray, 8 is a turntable, 9 is a spindle motor, and 12 is a guide rail.

The conventional optical disk drive device α shown in FIG. 10 includes a housing 1 having a front opening portion 6a1 formed in an opening.
A loading tray 6 on which the optical disk recording media D1 and D2 are placed and which is horizontally movable along the guide rail 12 between the front surface of the housing 1 and the inside of the housing 1 through the front opening 6a1, and the loading tray 6 It is composed of a loading mechanism (not shown) that is driven in a horizontal straight line.

A first optical disc recording medium D1 having a large diameter is placed and stored on the upper surface of the loading tray 6.
The disk storage recess 6a1 is provided with a recess, and the second disk storage recess 6a2 for mounting and storing the optical disk recording medium D2 having a smaller diameter is provided in the center of the first disk storage recess 6a1.

At least a part of the left side portion of the first disc storage concave portion 6a1 is capable of advancing and retracting from the claw-shaped member storage portion 6d on the left side of the first disc storing concave portion 6a1 toward the center of the loading tray 6. The claw-shaped member 6c is provided.

The operation of such a conventional optical disk drive device α will be described. The operation from the state where the loading tray 6 shown in FIG. 10 is pulled out to the attachment / detachment exchange position will be described.

When the optical disk drive device α is used in a horizontal installation, the bottom surface of the housing 1 is installed on the installation surface side, and the claw-shaped member 6c is stored in the claw-shaped member storage portion 6d. Next, the user selects the optical disc recording medium D1 or D2 from the upper side of the housing 1.
Either one of the
It is placed and stored in the first or second disc storage recess 6a2.

Then, a loading mechanism (not shown) is operated to pull the loading tray 6 into the housing 1 along the guide rails 12 and store the loading tray 6 in the spindle motor 1.
0 is rotationally driven to read the record information on the optical disc recording media D1 and D2.

When the optical disk drive device α is used in a vertical installation, the left side surface of the housing 1 is installed on the installation surface side,
The claw-shaped member 6c is pulled out from the claw-shaped member storage portion 6d.

Next, the user places the optical disk recording medium D1 having a large diameter from the right side of the housing 1 between the first disk storage recess 6a1 and the claw-shaped member 6c. Alternatively, once the optical disc recording medium D2 having a smaller diameter is mounted in the center hole of the disc adapter A, these are integrally formed between the first disc storage recess 6a1 and the claw-shaped member 6c from the right side of the housing 1. Place on.

Then, a loading mechanism (not shown) is operated to draw the loading tray 6 into the housing 1 along the guide rails 12 and store the loading tray 6 in the spindle motor 1.
0 is rotationally driven to read the record information on the optical disc recording media D1 and D2. At this time, the optical disc recording media D1, D
Since 2 is supported between the first disk storage recess 6a1 and the claw-shaped member 6c, it is held in the approximate center of the loading tray 6 so as not to fall off. At the time of ejecting, the procedure opposite to the loading operation is performed.

[0014]

However, in the conventional optical disk drive device α, the optical disk recording media D1 and D2 are loaded onto the loading tray 6 when installed vertically.
Since the structure is supported between the first disk storage recess 6a1 recessed in the upper surface and the claw-shaped member 6c, there are problems as listed below.

First, when mounting an optical disc recording medium D2 having a small diameter, the optical disc recording medium D2 must first be mounted on the disc adapter A and then mounted on the claw-shaped member 6c. There is a drawback that it is necessary to prepare the adapter A and the loading work becomes complicated.

Secondly, since the claw-shaped member 6c is provided only on one side of the loading tray 6, the optical disk recording medium D1 or the disk adapter A may fall off when the housing 1 is installed vertically. Therefore, the right side of the housing 1 cannot be installed on the installation surface side, and there is a drawback that the degree of freedom of installation posture is low.

Here, the present invention provides an optical disk drive device which has a high degree of freedom in installation posture and which does not require an adapter member when an optical disk recording medium is mounted.

[0018]

In order to solve the above-mentioned problems, the present invention employs the following novel characteristic construction means. That is, the first feature of the present invention is that the first loading tray for the optical disk recording medium on the front side of the housing and the second loading tray on the back side of the housing that can be contacted and separated from the first loading tray. A plurality of disc storage recesses formed on the upper surfaces of the first loading tray and the second loading tray, and the optical discs formed on the periphery of the plurality of disc storage recesses. Freely wrap around the periphery of the recording medium
An optical disk drive device comprising: a plurality of holding grooves; and a drive mechanism that allows contact separation of the first loading tray and the second loading tray.

A second feature of the present invention is that, in the first feature, the first loading tray and the second loading tray are mutually pulled out to the front surface of the casing, and the casing is mutually connected. The optical disc drive device is separated in the body depth direction.

A third feature of the present invention is that the first or second
In the optical disc drive device, the first loading tray and the second loading tray are separated from each other in the housing depth direction in a state of being housed inside the housing.

A fourth aspect of the present invention is an optical disc drive in which the first loading tray and the second loading tray in the first, second or third aspect are urged against each other. It is a device.

A fifth feature of the present invention is that the first, second, and
An optical disk according to the third or fourth feature, wherein the drive mechanism includes a loading motor, a pinion that is rotationally driven by the loading motor, and a rack that meshes with the pinion and is linearly movable in the depth direction of the housing. It is a drive device.

A sixth feature of the present invention is that in the fifth feature, the pinion has a protrusion protruding from the upper surface of the peripheral edge, and the first loading tray has a boss protruding from the upper surface.
In addition, the second loading tray is an optical disk drive device in which a boss is provided on the lower surface.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings. 1 is a right side sectional view showing a loading operation state of an optical disk drive device according to an embodiment of the present invention,
2 is a right side sectional view showing the same disk rotation drive state, FIG. 3 is a perspective view of the same first and second loading trays,
FIG. 4 is a bottom perspective view of the same first and second loading trays.

FIG. 5 is a perspective view of the same base chassis, and FIG.
Is the same. ・ The bottom perspective view of the disk rotation drive state.
8 is a bottom perspective view of the loading operation state, FIG. 8 is a bottom perspective view of the same disc exchange state, and FIG. 9 is a partially enlarged cross-sectional view of the same disc storage recess.

Β is an optical disk drive device, D1, D2
Is an optical disc recording medium, P is an optical pickup, 101 is a housing, 102 is a tension coil spring, 103 is a chucking pulley, 104 is a pulley base, 105 is a pinion, 106a is a first loading tray, and 106b is a 106b.
Is a second loading tray, 107 is a mechanical unit,
108 is a turntable, 109 is a movable rack, 110
Is a spindle motor.

Such an optical disk drive device β will be described with reference to the drawings. The optical disk drive device β of the present embodiment shown in FIGS. 1 to 9 is capable of pulling out and storing the front surface of the housing 101 and the inside of the housing 101 through a front opening portion 101b formed in the front panel 101, and the housing 101.
A first loading tray 106a located on the back side,
The first loading tray 106a is composed of a second loading tray 106b which can be fitted in male and female and is located on the front panel 101a side, and the loading tray can be divided into two in the depth direction of the housing 101.

An optical disc recording medium D1 having a large diameter is placed on the upper surfaces of the first loading tray 106a and the second loading tray 106b, and the peripheral edge portion D1 is placed.
A first disk storage recess 106a1 having an endless ring-shaped recessed groove 106a1a for holding b is provided, and an optical disk recording medium D2 having a smaller diameter is mounted at the center of the first disk storage recess 106a1. Placed and peripheral portion D2b
The second disc storage recesses 106a2, which have the endless ring-shaped recesses 106a2a for holding the discs, are integrally recessed.

The first loading tray 106a has a split groove cutting surface 106a4 on the front panel 101a side and a split groove cutting surface 10 of the second loading tray 106b.
6b4 is contactable and separable, and a fitting convex surface 106a3 is projectingly formed on the front panel 101a side from the split groove cutting surface 106a4, and a disc pinching release boss 106a5 is also projectingly provided on the upper surface.

The second loading tray 106b can be contacted and separated from the split groove cutting surface 101b4 of the first loading tray 106a at the split groove cutting surface 101b4 on the inner side of the housing 101, and the split groove cutting surface 101b can be separated.
4, a fitting concave surface 106a3 of the first loading tray 106a and a fitting concave groove 106b3 capable of male and female fitting are formed to be recessed from the inside of the housing 101 to the housing 101, and a tray dividing boss 106b5 for ejecting is formed on the lower surface. It is projected on.

The base chassis of the housing 101 has a loading motor (not shown) as a main component of a loading mechanism, and a pinion 105 which is rotationally driven by the loading motor and has a disc releasing boss 105b projectingly provided on the upper surface of the peripheral edge thereof. A movable rack 10 that meshes with the pinion 105 and is linearly driven in the depth direction of the housing 101.
9 and 9 are assembled.

The loading operation of the optical disk drive device β of this embodiment will be described. In the perspective view of the disk exchange state shown in FIG. 6, the first and second loading trays 106 a and 106 b are drawn out to the front surface of the housing 101.

When the pinion 105 is driven to rotate right by a loading motor (not shown), the movable rack 1
09 moves toward the left side in the drawing, and the movable rack 109 moves the front panel 10 of the second loading tray 106b.
The second loading tray 10 is brought into contact with the inner side surface of the 1a side.
6b moves to the front panel 101a side, and the first loading tray 106a connected by the tension coil spring 102 is also integrally formed with the front panel 101a.
Move to the side.

When it is continuously driven, the disc pinching release boss 106a5 of the first loading tray 106a comes into contact with the inner side surface of the housing 101, and the movement of the first loading tray 106a toward the front panel 101a is blocked.

However, since the second loading panel 106b is continuously driven to the front panel 101a side by the movable rack 109, the elastic force of the tension coil spring 102 is resisted, and the first loading tray 1b.
06a and the second loading tray 106b are separated as shown in FIG.

Therefore, the first loading tray 106
The disk mounting concave portion 106a1 or 106a2 of a and the second loading tray 106b is opened in two, and the optical disk recording medium D1 or D2 can be mounted, respectively.

Next, when the pinion 105 is driven to rotate to the left by a loading motor (not shown), the movable rack moves to the right in the figure, and the first and second loading trays 106a and 106b pull the coil spring 1 again.
The elastic force of 02 causes the male and female to be fitted to each other, and the peripheral edge portion D1b or D2b of the optical disk recording medium D1 or D2
Is the holding groove 106a2 or 1 as shown in FIGS.
The first loading tray 106a and the second loading tray 106 are integrally drawn into the inside of the housing 101 while being held in 06b2, that is, they are loaded.

At this time, the disc pinching release boss 106a
5. The disc releasing boss 105b and the eject tray separating boss 106b5 are not in contact with each other.

When the loading operation is continued,
First to second loading trays 106a and 106b
Are housed inside the housing 101 with the male and female fitted.

When the loading operation is further continued, FIG.
As shown in FIG. 5, the movable rack 109 abuts on the inner side surface of the first loading tray 106a on the inner side of the housing 101, so that the first loading tray 106a and the second loading tray 106b are integrally formed on the inner side of the housing 101. The disk releasing boss 105b pushes and urges the ejecting tray dividing boss 106b5 on the lower surface of the second loading tray 106b toward the front panel 101a while the disk is released.

Therefore, as a result of the second loading tray being pushed open to the front panel 101a side, the first and second loading trays 106a and 106b resist the elastic force of the elastic member 102 as shown in FIG. The peripheral portion D1b or D2b of the optical disk recording medium D1 or D2, which is divided again, has the holding grooves 106a2, 10a as shown in FIG.
Freed from 6b2 wrapping.

After that, the mechanical unit 107 rises to pivotally support the optical disk recording medium D1 or D2 between the turntable 103 and the chucking pulley 104, and the spindle motor 110 is rotationally driven to drive the optical disk. The recording information on the recording medium D1 or D2 is read.

On the contrary, at the time of ejection, the series of operation steps are executed in the reverse order.

In the optical disc drive apparatus of the present invention, the loading tray is thus divided, so that the optical disc recording medium can be sandwiched between the loading trays.

Further, since the pinion with the boss for releasing the disk holding, the movable rack, the boss for releasing the disk holding, and the boss for dividing the tray at the time of ejecting are provided, the optical disk recording medium is automatically operated in the disk replacement state and the disk rotation driving state. The pinching of is released.

[0046]

As described above, the optical disk drive device of the present invention has an advantage that the degree of freedom of the installation posture of the housing is high.

Further, it can be mounted on a plurality of types of optical disc recording media having different diameters without using a separate member such as a disc adapter, which is advantageous in workability.

[Brief description of drawings]

FIG. 1 is a right side sectional view showing a loading operation state of an optical disk drive device according to an embodiment of the present invention.

FIG. 2 is a right side cross-sectional view showing the same disk rotation drive state.

FIG. 3 is a perspective view of the same first and second loading trays.

FIG. 4 is a bottom perspective view of the same first and second loading trays.

FIG. 5 is a perspective view of the same base chassis.

FIG. 6 is a bottom perspective view of the same as above, in a state where the disc is rotationally driven.

FIG. 7 is a bottom perspective view of the same loading operation state.

FIG. 8 is a bottom perspective view of the same disk exchange state.

FIG. 9 is a partially enlarged cross-sectional view of the same disk storage recess.

FIG. 10 is an overall perspective view of a conventional optical disk drive device.

[Explanation of symbols] α, β optical disk drive A disk adapter D1, D2 optical disk recording medium 1,101 housing 102 elastic member 3,103 turntable 104 pulley base 105 pinion 6 loading tray 106a First loading tray 106b Second loading tray 107 Mechanical unit 8,108 turntable 109 movable rack 10,110 Spindle motor

Claims (6)

(57) [Claims] 1. A first optical disc recording medium on the front side of a housing.
Over the upper surface of each of the first loading tray and the second loading tray, the second loading tray on the inner side of the housing that can be contacted and separated from the first loading tray, and the upper surface of each of the first loading tray and the second loading tray. a plurality of de <br/> disk housing recess, which is recessed, embraced freely plurality of peripheral portions of the plurality of the peripheral portion of the disk housing recess is recessed, respectively the optical disc recording medium
Embracing the groove and the first optical disk drive apparatus characterized by comprising a loading tray and the second loading tray and a drive mechanism which freely contact separation of. 2. The first loading tray and the second loading tray are separated from each other in the depth direction of the housing when pulled out to the front surface of the housing. The optical disk drive device described. 3. The first loading tray and the second loading tray are separated from each other in the depth direction of the housing when housed inside the housing. Alternatively, the optical disk drive device described in 2. 4. The optical disk drive device according to claim 1, wherein the first loading tray and the second loading tray are urged to pull each other. 5. The driving mechanism includes a loading motor, a pinion that is rotationally driven by the loading motor, and a rack that meshes with the pinion and is linearly movable in the depth direction of the housing. Claim 1,
2. The optical disk drive device according to 2, 3 or 4. 6. The pinion has a protrusion protruding from the upper surface of the peripheral edge, the first loading tray has a boss protruding from the upper surface, and the second loading tray has a boss protruding from the lower surface. The optical disk drive device according to claim 5, which is characterized in that: