KR900007709Y1 - Spindle operating apparatus of optical disc player - Google Patents

Abstract

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Description

Spindle Drive of Optical Disc Player

1 is a perspective view showing the configuration of a conventional device.

Figure 2 is a partial perspective view showing the configuration of the device of the present invention.

3 is a partial cross-sectional view showing the configuration of the device of the present invention.

4 is a cross-sectional view showing a state in which a turntable for a laser disk, which is a main part of the present invention, is coupled to a turntable for a compact disc.

(A), (b) and (c) of FIG. 5 are functional diagrams when operating the compact disc of the present invention.

Figure 6 (a), (b), (c) is a diagram showing the operation of the laser disk of the present invention.

* Explanation of symbols for main parts of the drawings

11: main body 12: disc tray

12a: through hole 13: chassis

14: spindle motor 15: axis of rotation

16: turntable for compact disc 17, 17 ': guide

17a: Information Service 17'a: Information Home

18: movable plate 18a: rack

18b: tact groove 19, 20: gear

21: operating port 22: restoring coil spring

23: shaft piece 24: lever

24a: bend portion 24b: support piece

24 ': shaft pin 25: groove

26a: hanger frame 26: laser disk table

27: roller 28: stopper

The present invention relates to a spindle drive of a player for a combined use of a compact disc and a laser disc, and more particularly to a spindle drive that can drive a compact disc and a laser disc with one spindle motor.

In the conventional combined player, as shown in FIG. 1, the spindle motor 2 for driving the laser disk 1 and the spindle motor 4 for driving the compact disk 3 are installed and picked up when the laser disk 1 is played. In order to secure the movement path of the unit 5, a swing mechanism for rotating the compact disc motor 4 in a solid line state is attached separately.

Such a conventional apparatus has secured a movement path of the pickup unit 5 by rotating the compact disc motor 4 by 90 ° in the state shown by a virtual line when the laser disc 1 is played, and when using the compact disc 3. The compact disc motor (4) was rotated 90 degrees in reverse to be erected vertically.

Therefore, in such a conventional apparatus, two spindle motors (2) and (4) must be used, and a swing device that requires a separate motor for rotating the compact disc motor 4 is required, so the number of parts used increases. There is a defect that increases the cost of and hinders miniaturization.

The present invention has been devised to solve such a conventional coupling. One spindle motor is fixed to the chassis inside the main body to fix the turntable for the compact disc on the spindle motor side, and the turntable for the laser disc is only used when the laser disk is inserted. And loaded at the same time to be coupled to the turntable for the compact disc to be able to play the laser disk and the compact disk at the same time, as described in more detail by the accompanying drawings as follows.

As shown in Figs. 2 to 6, the disc tray 12 is installed to be movable in and out of the main body 11, and is provided on the rotating shaft 15 of the spindle motor 14 inside the main body 11. In the compact disc and laser disc combined player on which the turntable 16 for the compact disc is fixed, the guide holes 17a of the guides 17 and 17 'fixedly installed on both sides of the lower plate of the disc tray 12 on both sides. Of the movable plate 18 inserted into the guide groove 17'a on both sides of the movable plate 18 to allow the movable plate 18 to flow and to be guided by the guide hole 17a of the guide 17. The movable plate 18 is provided with an actuating tool 21 which forms a rack 18a and at the same time installs gears 19 and 20 interlocked with the rack 18a and engages with the gear 20. And restoring coil springs 22 fixed to one side of the distal end of the actuating port 21, and under the upper plate of the disc tray 12. The lever 24 is mandrel-mounted on the shaft piece 23 protruding from the shaft pin 24 'and formed on the upper plate of the disc tray 12 in the bent portion 24a formed at the tip of the lever 24. The knob 25 is fixed to the through hole 12a and the rear end of the lever 24 is locked to the independent turntable 26 for the laser disk positioned in the upper mounting groove 18b of the movable plate 18. It forms a support piece (24b) that can take the frame (26a) and the roller 27 adhered to the rear end of the operating port 21 is in contact with the inside of the main body 11 to move the operating port 21 The stopper 28 to be restrained is formed. In the drawing, reference numeral 29 denotes a laser disc, 30 denotes a compact disc, 31 denotes a clamping device, and 13 denotes a chassis to which the spindle motor 14 is fixed. will be.

Referring to the effect of the present invention configured as described above are as follows.

5 (a), 5 (b) and 5 (c) show the action of driving the compact disc 30. The disc tray 12 is ejected from the main body 11 as shown in FIG. When loading the compact disk 30 in the state in which the state is in the state is moved to the inside of the main body 11 by a separate loading mechanism (not shown) to the rear end of the operating port 21 as shown in (b) of FIG. If the disc tray 12 continues to move inward even after the installed roller 27 is in contact with the stopper 28, the gears 20 and 19 will rotate while the actuator 21 is pushed outwards. 22 is tensioned] This power moves the movable plate 18 to the outside (to the left in reference to FIG. 5) so that the turntable 26 for the laser disk placed on the movable plate 18 moves outward together. Out of the center of the compact disk 30.

If it continues to be loaded, the disc tray 12 is moved downward in the clamping state as shown in (c) of FIG. 5 so that the compact disc 30 is placed on the compact disc turntable 16, and the clamping device 31 is mounted on the disc. Clamping 30 is completed and the loading operation is completed.

6 (a), 6 (b) and 6 (c) show the action of driving the laser disk 29. As shown in FIG. 6 (a), the laser disk 29 is placed on the disk tray 12. As shown in FIG. When placed, the lever knob 25 is lowered and the lever 24 rotates counterclockwise about the shaft pin 24 'so that the turntable 26 for the laser disk is lifted up. In this way, when the roller 27 adhered to the stopper 28 by the roller 27 adhered to the driveway 21 as shown in FIG. 6 (b), the driveway 21 is pushed from that time and the movable plate 18 is left. Will be moved to.

At this time, since the turntable 26 for the laser disk is separated from the movable plate 18, it is loaded to the position of the turntable 16 for the compact disk.

After that, when the disc tray 12 moves downward as shown in (c) of FIG. 6, the laser disk turn table 26 is placed on the compact disk turn table 16, and the laser disk 29 is placed thereon. The device 31 causes the disk 29 to be clamped to complete the operation.

Unloading of the compact disc 30 and the laser disc 29 is performed in the reverse order of the loading action, respectively.

As described above, the present invention uses only one spindle motor in the compact disc and laser disc player, and does not require a swing device to secure the transfer path of the pickup unit, thereby minimizing the device and fixing it by reducing the number of parts. Not only can the number be reduced and the product cost can be reduced. In particular, since the spindle motor is fixed to the chassis, there is an advantage of reducing the occurrence of operational errors.

Claims (1)

The disk tray 12 is installed to be movable in and out of the main body 11, and the compact disc turn table 16 is fixed to the rotation shaft 15 of the spindle motor 14 installed inside the main body 11, Both sides of the movable plate 18 are inserted into the guide holes 17a and the guide grooves 17'a of the guides 17 and 17 'fixed to both sides of the lower part of the disc tray 12, and the one side thereof. The movable plate 18 is provided with an actuating tool 21 which forms a rack 18a to which the gears 19 and 20 are interlocked, and is engaged with the gear 20 and the restoring coil spring 22 is fixed to the distal end thereof. It is installed in parallel, and the lever 24 is affixed to the shaft piece 23 protruding from the lower surface of the upper plate of the disc tray 12 with the shaft pin 24 ', and the tip bent portion 24a of the lever 24 The knob 25 fixed through the through hole 12a of the disc tray 12 is fixed, and the rear end of the lever 24 is positioned to be located in the circular mounting groove 18b formed on the upper surface of the movable plate 18. While forming a support piece 24b on which the engaging frame 26a of the low disk turntable 26 is engaged, the roller 27 adhering to the rear end of the operating port 21 is in contact with the inside of the main body 1. Spindle drive device of an optical disc player, characterized in that the stopper 28 is formed to form.