JPH09161368A - Optical disk driving device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent fall-off from a loading tray even in a vertical attitude by cover holding an optical disk with side surfaces, a bottom surface and engagement pawls of a disk housing recessed part. SOLUTION: The loading tray 106 is taken out in front of a box-shaped casing 101 through a front opening part 101b of a front panel 101a. Then, an optical disk recording medium D is placed on the disk housing recessed part 106a recessed and provided on the loading tray 106 upper surface. When the medium D is pushed downward further, the elastically pawls 112 abutted on the optical disk recording medium D peripheral part are elastically deformed to be pressed and expanded in the direction of the loading tray 106 periphery. When medium D is pushed downward further, the optical disk recording medium D is covered and held by the side surfaces most, the bottom surface and the engagement pawls 112 of the disk housing recessed part 106a. Thus, the optical disk recording medium D is prevented fall-off from the loading tray 106 even in the vertical attitude. Further, the tip parts 112a of the engagement pawls 112 hold an engagement state even for the positional deviation of the optical disk recording medium D.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of an optical disk drive device for recording / reproducing data on / from an optical disk recording medium.

[0002]

2. Description of the Related Art Conventionally, as a device for recording / reproducing information on / from a disc-shaped optical disc recording medium, various types of optical discs such as a tray loading system and a cartridge system are available as various variations due to the difference in the loading structure of the optical disc recording medium. Drive device exists.

A conventional front tray loading type optical disk drive device will be described with reference to the drawings. FIG. 5 is a plan view of a conventional optical disk drive device, and FIG. 6 is a right side sectional view of the same.

In the figure, α is an optical disk drive device, D is an optical disk recording medium, P is an optical pickup, 1 is a housing,
1a is a front panel, 1b is a front opening, 3 is a chucking pulley, 4 is a clamper plate, 6 is a loading tray, 8 is a turntable, 9 is a spindle motor, and 10 is a mechanical unit.

In the conventional optical disk drive apparatus α shown in FIGS. 5 to 6, a disk housing recess 6a having a diameter slightly smaller than the outer diameter of the optical disk recording medium D is provided on the front surface of a box-shaped housing 1. A front panel 1a having a front opening 1b for horizontally loading and unloading the loading tray 6 recessed therein is provided.

Inside the housing 1, the loading tray 6 is provided.
A loading mechanism (not shown) for horizontally driving the front surface of the housing 1 and the inside of the housing 1 through the front opening 1b so that the housing 1 can be stored therein; and a turntable for mounting the optical disk recording medium D on the upper surface for rotational driving. 8, an optical pickup P for recording and reproducing information recorded on the optical disc recording medium D, and a turntable 8 and the optical pickup P which are rotatably supported in the housing 1 by a pivot 10a. And a chucking pulley 3 for rotatably sandwiching a center hole Da of an optical disk recording medium D between a mechanical unit 10 that is vertically moved and an upper surface of the turntable 8.
The housing 1 comprises a clamper plate 4 which is pivotally supported by a pivot shaft 4a so as to be movable up and down and pivotally supports the chucking pulley 3 from above so as to pivotally support the chucking pulley 3 from above. 6a does not have a special function of holding the optical disk recording medium D.

The operation of the optical disk drive device α will be described. First, a loading mechanism (not shown) is driven to pull out the loading tray 6 to the front surface of the housing 1 through the front opening 1b of the front panel 1a.

Next, the optical disk recording medium D is simply placed on the disk storage recess 6a provided in the upper surface of the loading tray 6, and then a loading mechanism (not shown) is driven to pull the loading tray 6 into the housing 1.

When the loading tray 6 is pulled into the housing 1, the turntable 8 and the optical pickup P are inserted into the through hole 6d of the loading tray 6 from the lower side to the upper side, and the turntable 8 is recorded on the optical disk. The optical disc recording medium D is fitted into the center hole Da of the medium D from below, and is lifted while being rotatably sandwiched between the lower surface of the chucking pulley 3 and the upper surface of the turntable 8. D Approach the bottom surface.

Then, the spindle motor 9 is energized to rotate the optical disc recording medium D integrally with the turntable 8, and the optical pickup P records and reproduces the optical disc recording medium D.

[0011]

However, the conventional optical disk drive device α has the following drawbacks. That is, since the loading tray 6 itself does not have a function of holding the optical disk recording medium D, the optical disk recording medium D is parallel to the installation surface, that is, an oblique attitude other than the so-called horizontal attitude, or vertical to the installation surface. In the so-called portrait orientation, the optical disc recording medium D falls off the loading tray 6 and recording / reproduction becomes impossible, and the optical disc recording medium D cannot be ejected. There is a defect that the optical disc recording medium D itself or the internal mechanism of the optical disc drive device α may be damaged due to the dropping.

Here, an object of the present invention is to provide an optical disk drive device which can be installed in any posture.

[0013]

In order to solve the above problems, the present invention employs the following novel characteristic construction means. That is, a feature of the present invention is that a housing having a front opening formed therein and a storage recess in which an optical disk recording medium is placed in a replaceable manner are provided in the upper surface, and the housing has a front opening through the front opening. A loading tray for horizontally driving the front surface of the housing and the inside of the housing so that the loading tray can be housed therein, and a loading mechanism for horizontally driving the loading tray between the front surface of the housing and the inside of the housing so that the housing can be housed therein. A rotatable turntable disposed directly below the center hole of the optical disc recording medium in a state of being drawn into the housing; a spindle motor for rotationally driving the turntable; and a reading surface of the optical disc recording medium. An optical pickup that moves in parallel while maintaining a predetermined distance to record and reproduce recorded information, and the optical pickup is parallel to the recording surface of the optical disc recording medium. An optical pickup driving mechanism for moving, a turntable, a spindle motor, an optical pickup, a mechanical unit on which the optical pickup driving mechanism is movably driven, and an optical disk recording medium peripheral portion around the loading tray storage recess. Is an optical disc drive device in which one or more locking claws are elastically biased toward the center of the loading tray so as to be able to hold.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The optical disk drive device of the present invention will be described in detail with reference to FIGS. FIG. 1 is a plan view of an optical disk drive device according to an embodiment of the present invention, FIG. 2 is a sectional view of the same right side, FIG. 3 is a partial plan view of the disk tray tip locking claw vicinity, and FIG.・ Clock non-holding sectional view of locking claw, Fig. 4 (b) is the same ・ Elastically deforming sectional view,
FIG. 4C is a sectional view of the same disk holding state, and FIG. 4D is a sectional view of the same disk rotating state.

In the figure, β is an optical disk drive device, D is an optical disk recording medium, P is an optical pickup, 101 is a housing, 101a is a front panel, 101b is a front opening, 103 is a chucking pulley, 104 is a clamper plate, 106 is a loading tray, 108 is a turntable, 109 is a spindle motor, 110 is a mechanical unit, and 112 is a locking claw.

In the optical disk drive device β of the present embodiment shown in FIG. 1, a disk housing recess 106a having a diameter slightly smaller than the outer diameter of the optical disk recording medium D is formed on the front surface of a box-shaped housing 101. Set loading tray 10
A front panel 101a having a front opening 101b for horizontally loading and unloading 6 is provided.

Inside the housing 101, the loading tray 106 is inserted into the housing 1 through the front opening 101b.
01 a loading mechanism (not shown) for horizontally driving the front surface and the inside of the housing 101 so that the front surface and the inside of the housing 101 can be housed freely, a turntable 108 for placing the optical disk recording medium D on the upper surface and rotationally driving it, and recording information of the optical disk recording medium D. An optical pickup P for recording / reproducing, a mechanical unit 110 that is rotatably supported by a pivot 110a inside the housing 101 to vertically move the turntable 108 and the optical pickup P, and the turn. Table 108
A chucking pulley 103 that rotatably holds the center hole Da of the optical disc recording medium D between the upper surface and the upper surface, and a chucking pulley 103 that is rotatably supported inside the housing 101 by a pivot shaft 104a so as to move up and down. The loading tray 106 is further provided with a locking claw 112.

The locking claws 112 shown in FIGS. 3 to 4 are convex pieces formed integrally with the loading tray 106 by cutting out three locations around the loading tray 106 storage concave portion 106a.

The shape of the locking claw 112 is not limited to the shape described in this embodiment, and is pressed in the center of the disc tray storage recess 106a by an elastic coil spring or the like around the loading tray 106 storage recess 106a. A configuration in which a biased protruding piece or the like is pivotally supported may be used.

[0020]

EXAMPLE The operation of the optical disk drive device β will be described. First, a loading mechanism (not shown) is driven to pull out the loading tray 106 to the front surface of the housing 101 through the front opening portion 101b of the front panel 101a.
Next, the optical disk recording medium D is loaded onto the loading tray 10
6 to the disk storage recess 106a recessed on the upper surface of FIG.
Place as shown in (a).

Here, since the diameter of the circle formed by passing through the tips 112a of the locking claws 112 provided on the loading tray 106 is set to be smaller than the outer diameter of the optical disk recording medium D, it will be continued. When the optical disc recording medium D is pushed downward by the action, the locking claw 112 that abuts the peripheral portion of the optical disc recording medium D is elastically deformed as shown in FIG.

When pushed further downward, the three peripheral portions of the optical disk recording medium D are enclosed by the side surface 106b, the bottom surface 106c and the locking claw 112 of the disk housing recess 106a as shown in FIG. 4 (c). As a result, the optical disc recording medium D is prevented from falling off the loading tray 106 in the vertical posture.

Further, the tip 112a of the locking claw 112 has a recessed portion 106a for storing the loading tray 106 even if the optical disk recording medium D is displaced in the recessed portion 106a for storing the disk.
The shape and dimensions are set so that the locked state is maintained. This completes the placement of the optical disc recording medium D on the loading tray 106.

Further, when a loading mechanism (not shown) is driven to pull the loading tray 106 into the housing 101, the turntable 108 and the optical pickup are inserted into the through hole 106d of the loading tray 106 as shown by the alternate long and short dash line in FIG. The P is inserted from the lower side to the upper side, and the turntable 108 is fitted into the center hole Da of the optical disc recording medium D from below, and the optical disc recording medium D is located between the lower surface of the chucking pulley 103 and the upper surface of the turntable 108. The optical pickup P approaches the lower surface of the optical disc recording medium D while being lifted while being rotatably held.

At this time, the peripheral portion of the optical disc recording medium D is
Bottom 106c of loading tray 106 and locking claw 11
As shown in FIG. 4 (d), it is lifted up to the position between 2 and becomes rotatable.

Next, the spindle motor 109 is energized to rotate the optical disc recording medium D integrally with the turntable 108, and the optical pickup P is moved along the recording surface of the optical disc recording medium D to record / reproduce data. On the contrary, the optical disc recording medium D is replaced with the optical disc drive device β.
When taking it out from, the procedure opposite to the above description is carried out.

As described above, since the one or more locking claws 112 that can support the optical disc recording medium D are provided on the loading tray 106 storing concave portion 106a, the optical disc recording medium D is stored in the loading tray 106 even in the vertical posture. It does not fall off from the recess 106a.

Although the optical disk recording medium D has been described as an example in the present embodiment, it goes without saying that a magneto-optical disk recording medium or the like can be similarly applied as long as it is a recording medium having a substantially disc shape.

[0029]

As described above, according to the optical disk drive device of the present invention, there is an advantage that the optical disk drive device using the loading tray can be installed in any posture other than the horizontal posture with a simple structure. .

Further, the loading tray and the locking claws may be integrally formed or only the locking claws may be additionally formed, which is advantageous in that an increase in initial cost can be suppressed to a minimum.

[Brief description of the drawings]

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

FIG. 2 is a right side sectional view of the same.

FIG. 3 is a partial plan view of the vicinity of the disc tray tip locking claw shown in FIG.

4A is a sectional view of the same as the above-noted locking claw in a disk non-holding state, FIG. 4B is a sectional view of the same as above in an elastically deformed state, FIG. 4C is a sectional view of the same as above-disc holding state, and FIG. FIG. 6 is a sectional view of a disc rotating state.

FIG. 5 is a plan view of a conventional optical disc drive device.

FIG. 6 is a right side sectional view of the same.

[Explanation of symbols]

 α, β optical disk drive device D optical disk recording medium P optical pickup 1,101 housing 1a, 101a front panel 1b, 101b front opening 3,103 chucking pulley 4,104 clamper plate 6,106 loading tray 8,108 turntable 9,109 Spindle motor 10,110 Mechanical unit 112 Locking claw

Claims (1)

[Claims] 1. A housing having a front opening formed therein, and a housing recess in which an optical disk recording medium is placed in a replaceable manner, which is formed in the upper surface of the housing, and the housing is opened through the front opening of the housing. A loading tray that horizontally drives the front surface and the inside of the housing so that the loading tray can be housed freely; and a loading mechanism that horizontally drives the loading tray between the housing front surface and the inside of the housing so that the housing can be housed freely. A rotatable turntable disposed directly below the center hole of the optical disc recording medium in a state of being drawn into the body, a spindle motor for rotationally driving the turntable, and a predetermined distance on the optical disc recording medium reading surface. An optical pickup for maintaining parallel movement to record / reproduce recorded information, and a parallel movement of the optical pickup along the recording surface of the optical disc recording medium. An optical pickup driving mechanism, a mechanical unit on which the turntable, the spindle motor, the optical pickup, and an optical pickup driving mechanism are mounted and which is driven to move up and down, and the optical disc recording medium peripheral portion is held around the loading tray storage recess. An optical disk drive device comprising one or more locking claws that are elastically biased toward the center of the loading tray.