KR20030009304A - Disk appratus - Google Patents

Abstract

In the disk apparatus, the disk tray is composed of a plurality of movable fixing members and links to which respective fixing members are operatively connected. The fastening members are moved forward and backward relative to the groove of the disc tray to move simultaneously with each other when the link is slid to fix the outer periphery of the disc in the outer peripheral end region.

Description

Disk Device {DISK APPRATUS}

In a generally known type of disc device, in particular an optical disc drive such as a CD-ROM drive and a DVD-ROM drive, an optical disc with recorded information is usually loaded into the groove of the horizontal disc tray and loaded into the main unit. In such a drive, the optical disc must be loaded onto the disc tray before entering the main unit for loading. Moreover, such conventional disc devices allow other diameters, such as 8 cm and 12 cm, to be placed in the disc tray; Thus, a single disc device is made so that discs of various diameters can be used.

In any case, the above-described disk apparatus is used in a horizontal position in which the disk tray is vertical as well as in a horizontal position in which the disk tray is horizontal.

When the disc device is used in the vertical position, it is not suitable for the optical disc to be mounted on the groove of the disc tray. Japanese Unexamined Patent Application Publication Nos. 6-333311 and 8-17118 describe disc devices having disc trays provided with fixing members mounted on the outer surface of the optical disc in a loose fixing manner, respectively. The fixing member described in the published patent is made of a movable fixing member which can move forwardly away from the groove in which the optical disc is located. When the disk device is used in the horizontal position, the rear side is fixed so that the fixing member does not protrude across the periphery of the groove while the optical disk is fixed to the disk tray face. On the other hand, when the disk apparatus is used in the vertical position, the two fixing members protrude across the groove so that the optical disk is fixed between the fixing member and the disk tray face.

However, the problem is that when the disk device is used in the vertical position as the fixing member, it is not suitable to fix the optical disk to the surface of the disk tray having one of the protruding fixing members so that at least two movable fixing members are protruded to each other. Somewhat cumbersome work is required.

The present invention relates to a disc apparatus having a disc tray, and more particularly, to a disc apparatus mounted by a slidable holding member which is placed in a groove of the tray and connected by a link structure so that the disc tray is loaded into the main unit of the disc apparatus. It is about. The invention can be applied, for example, to disc drives such as CD-ROM drives and DVD-ROM drives as well as optical disc players such as CD players and DVD players.

1 is a perspective view of a disk apparatus according to a first embodiment of the present invention,

2 is a cross-sectional view showing the internal structure of a disk apparatus according to the first embodiment of the present invention;

3 is a plan view showing an upper surface of the disc tray in the first embodiment of the present invention;

4 is a bottom view showing the bottom surface of the disc tray in the first embodiment of the present invention;

5 is another bottom view showing the bottom surface of the disc tray in the first embodiment of the present invention;

6 is a cross-sectional view showing a structure for supporting the fixing member in the first embodiment of the present invention;

7 is a plan view showing an upper surface of the disc tray in the second embodiment of the present invention;

8 is a bottom view showing the bottom surface of the disc tray in the second embodiment of the present invention;

Fig. 9 is another bottom view showing the bottom surface of the disc tray in the second embodiment of the present invention.

It is therefore an object of the present invention to provide a disk device in which the movable fixing members can be moved forward from the groove of the disk in a simple and effective manner.

The disc apparatus according to the present invention includes a disc tray loaded in the main unit and having a groove of a disc for recording / reproducing. The disc tray provides a link structure for connecting a plurality of movable fixing members for securing the outer surface of the disk to the distal region and another plurality of movable fixing members for operation.

The link structure allows a plurality of movable fixing members to move forwardly away from the groove of the disk in a simple manner; In response to the movement of the one movable member, the other movable member (s) move simultaneously.

The plurality of movable fixing members is configured to be rotatable on the disc tray. The rotatable fastening member is provided to have a simple linkage mechanism structure. For example, the securing members have one end of each engaged with an interlocking bar that moves within a predetermined direction of the disc tray. By the movement of the interlocking bar, the fixing member rotates to interlock with the other protruded in the groove of the disc tray.

Alternatively, a plurality of movable fixing members are configured to slide only on the disc tray. The sliding member as described above is interlocked with each other in a predetermined direction on the disk tray surface, the fixing member and the link structure on one side of the disk tray to achieve a more compact structure by reducing the space by the components Provided locally.

The plurality of movable fixing members is preferably movable to fix the disk to a wide range of diameters. For example, the disk apparatus in which the disk is loaded preferably includes a plurality of fixing members whose movable range is generally available for two disk diameters, for example 12 cm and 8 cm respectively. Even when the disk device is used in a vertical position interlocked with the other through the link structure, a plurality of fixing members having a movable range allow the disk to be fixed. In addition, the link structure preferably has a stopper to hold a plurality of movable fixing members at predetermined positions.

With reference to the accompanying drawings will be described a preferred embodiment of the present invention.

1 shows a disk apparatus 1 according to a first embodiment of the present invention. For example, the disc apparatus 1 for playing the optical disc 20, such as a CD-ROM or a DVD-ROM, includes a main unit 10 and an optical disc 2 including an optical pickup unit (see FIG. 2). And a disc tray 20 for loading the main unit 10 having the same.

As shown in FIG. 2, the main unit 10 includes a housing 11 having a slot 11A into which a disc tray 20 is inserted and discharged; A spindle motor unit 12 and a chucking pulley 13 for rotating the optical disc 2 located in the disc tray 20; And an optical pickup unit 14 for reading information recorded on the optical disc 2. The spindle motor unit 12 includes a rotor case 12A including a motor; And a disk table 12B for supporting the optical disk 2 mounted on a spindle (not shown) protruding from the rotor case 12A. The spindle motor unit 12 and the optical pickup unit 14 are mounted to a base member 16 which is rotatably supported by a support 15 in the rear interior of the main unit 10. The spindle motor unit 12 and the optical pickup unit 14 move away from the disc tray 20 forward by the rotation of the base member 16. The chucking pulley 13 is arranged to face the spindle motor unit 12 and the optical pickup unit 14 is formed by a pulley holder 17 formed on one inner side of the housing 11 across the disc tray 20. It is fixed to rotate. Although not shown in FIG. 2, inside the main unit 10, the disc tray 20 is inserted and discharged through the slot 11A and the base member 16 is rotatably moved to the support 15. A drive device is provided for this purpose.

Referring to FIG. 3, the disc tray 20 has circular grooves 21 and 22 on its surface to accommodate optical discs 2 of different sizes. The groove 21 accepts an optical disk having a diameter of 12 cm, and the other groove 22 accepts an optical disk having a diameter of 8 cm. Disc trays with grooves of other diameters can be used to accommodate discs with a variety of diameters more than the commonly used 12 cm and 18 cm. The disc tray 20 has a center hole 23 through which the optical pickup unit 140 can move when the disc tray 20 moves into the main unit 1. The disc tray 20 is generally a plastic product made of a material having high wear resistance, such as POM (polyoxymethylene, polyacetal).

Moreover, the disc tray 20 is movable fixing members 24 and 25 which can be moved forward and backward so that the outer peripheral end of the 12 cm optical disc 2 is fixed to the outer outer surface of the disc at the bottom as shown in FIG. 3. More). The fixing members 24, 25 are arranged to approach across the arc of the groove 21, respectively, as indicated in the insertion / ejection direction of the disc tray 20. Although not shown, the securing members 24, 25 may be sized to extend over the grooves 22 securing the outer circumferential end of the 8 cm disc.

As shown in FIGS. 4 and 5, the connecting bar 26 is located behind the disc tray 20. One of the fastening members 24 is connected to one end of the extended bar 26, and the other fastening member 25 is connected to the other end of the bar 26. More specifically, the bar 26 has two crank cut-outs 26A disposed at either end and between the two cut-outs 26A two slot-shaped slots extending in the longitudinal direction of the bar 26. It has a hole 26B. At one end of the bar 26 remote from the main unit 10 (to the left as shown in FIG. 4) is provided a slider switch 26C which projects on the top surface of the disc tray 20. The bar 26 is supported on the disc tray 20 by a screw 26D received in the insertion hole 26B but is not fixed. Thus, when the slider switch 26C is adjusted to move along the insertion / ejection direction of the disc tray 20, the connecting bar 26 in response causes the disc tray 20 (i.e., insertion / insertion of the screw 26D). Sliding along the discharge direction The movable range of the bar 26 is determined by the length of the slot-shaped insertion hole 26B.

As shown in FIG. 6, the fastening members 24, 25 are connected to the cut-out 26A of the bar 26 via a flat arm member 27 of "L" shape, such as a screw or the like. More specifically, the fixing members 24 and 25 are mounted on the upper surface of the arm member 27 by screws or the like, and the projection 27A formed on the lower surface of the arm member 27 is the cut- It is slidably fixed into the out 26A. Thus, the sliding of the bar 26 causes the arm member 27 to slide along the cut-out 26A and to move relative to the groove 21 in the planar upper position of the groove 21. The fixing members 24 and 25 slide alternately over the surface of the disc tray 20.

The two cut-outs 26A formed at both ends of the bar 26 are preferably the same in shape, width, direction, and the like. Thus, when the bar 26 slides, the fixing members 24, 25 connected to both ends of the bar 26 simultaneously move in the same direction at substantially the same time. The bar 26 constitutes a linking device for connecting the two fixing members 24 and 25 to move.

The other end of the bar 26 close to the main unit 10 has a stopper 29 for holding the fixing members 24, 25 in a specific position. The stopper 29 is a spring wound in a flat " U " shape where one end is fixed by a shaft 28 formed in the disc tray 20 and the other end is fixed to an end of the bar 26. The stopper 29 can be elastically deformed so that the other end always tilts the end of the bar 26 and can be moved to rotate clockwise around the end fixed by the shaft 28.

Thus, when the bar 26 slides such that the fixing members 24 and 25 protrude above the groove 21 or the other groove 22 as shown in FIG. 26 is stopped at a specific position by the stopper 29, so that the fixing members 24, 25 are held at the predetermined position. The bar 26 thus prevents unexpected sliding so that the fixing members 24, 25 are not unintentionally fixed during the loading operation.

In operation, when the above described disk device 1 is in a vertical position, it is generally used in the manner described below. First, when the eject button (not shown) on the front panel of the main unit 10 is operated correctly, the base member 16 inside the main unit 10 causes the disc tray 20 to be ejected. It is rotated to move the spindle motor unit 120 and the optical pickup unit 14 away from the tray 20. When the disc tray 20 is in the discharged position, the slider switch 26C is adjusted so that the bar 26 slides so that the fixing members 24 and 25 protrude above the groove 21. More specifically, as shown in FIG. 4, the slider switch 26C is adjusted to slide the bar 26 away from the main unit 10 so that the protrusion 27A is cut-out 26A as shown in FIG. 5. And the fixing members 24 and 25 mounted on the arm member 27 in response to the arm member 27 formed on the protrusion 27A move to protrude above the groove 21. Thus, the required optical disc 2 is located in the groove 21 and fixed in the vertical direction by the fixing members 24 and 25. When the eject button is actuated again or the disc tray 20 is properly pushed inwards, the disc tray 20 is entered by a drive in the main unit 10 such that the base member 16 has the spindle The motor unit 12 is moved to rotate the optical pickup 14 toward the disc tray 20. When the spindle motor unit 12 is near the disk tray 20, the disk table 12B of the spindle motor unit 12 is provided with a groove so that the center hole of the optical disk 2 is engaged with the chucking pulley 13. Push up the optical disc 2 located at 21). When the optical disc 2 is coupled by the chucking pulley 13, the spindle motor unit 12 causes the optical disc 2 to be read by the optical pickup unit 14 so that the information recorded on the optical disc 2 is read. Rotate).

The first embodiment described above has the following advantages.

The sliding action of the bar 26 provided on the disc tray 20 is forward and backward with respect to the groove 21 or the groove 22 of the disc tray 20 when the fixing members 24 and 25 are appropriately sized. The adjustment of the two holding members 24, 25 is simplified to move so that the two holding members 24, 25 move back and forward at the same time, respectively. The slidable fastening members 24, 25 also concentrate the two fastening members 24, 25 and the bars 26 on one side of the disc tray 20 to provide more compactness of the components and their smaller space. You have a structure. In addition, the stopper 29 formed in the bar 26 makes it possible to fix the fixing members 24 and 25 which protrude over the grooves at certain predetermined positions, thereby making the adjustment of the fixing members 24 and 25 easier. .

7 shows a disc tray 20 which is a second embodiment of the present invention.

In the following description of the second embodiment, the same or corresponding elements as described in the first embodiment are described with the same reference numerals and the description thereof is omitted or suitably simplified.

The second embodiment replaces the fastening members 24 and 25 of the first embodiment with rotatable fastening members 41 and 42. The disc tray 20 is provided with movable fixing members 41 and 42 which can be moved forward and backward to fix the outer peripheral end of the optical disc 2 on the outer side at the bottom or the rear as shown in FIG. 7. do. The two fixing members 41 and 42 are arranged in the insertion / ejection direction of the disc tray 20. The fixing member 41 is disposed on one side of the groove 21 in which the 12 cm optical disk is located, while the other fixing member 42 is located on the other side in the same groove 21.

As shown in Figs. 8 and 9, the elongated bar 43 provided behind the disc tray 20 extends in the insertion / ejection direction. The fixing members 41 and 42 are fixed to the adjacent ends of the bar 43. The bar 43 has three notches 43A formed at one end in the longitudinal direction (right side in FIGS. 8 and 9) adjacent to the main unit 10 and the other end away from the main unit 10. An elongated through hole 43B is formed in which the arcuate hole 44 formed in the disc tray 20 is overlapped. An insertion slot or hole 43C is formed between the notch 43A and the through hole 43B along the longitudinal direction of the bar 43. At the end of the bar 43 away from the main unit 10, a slider switch 43D protruding from the upper surface of the disc tray 20 is provided.

The bar 43 is supported so as not to be fixed to the disc tray 20 through the screw 43E accommodated in the insertion hole 43C. Thus, when the slider switch 43D is adjusted to move along the insertion / ejection direction of the disc tray 20, the bar 43 is inserted into the disc tray 20 (ie, associated with the screw 43E). Sliding along the discharge direction, wherein the movable range of the bar 43 is limited by the length of the long insertion hole 43C.

One end of the fixing member 41 is supported by the bar 43. A pin 41A fitted in the through hole 43B through the hole 44 is formed in the upper surface of the fixing member 41 in the middle. The fixing member 41 may be rotated at an end supported along the hole 44. The fixing member 42 disposed adjacent to the main unit 10 is supported by the bar 43 so that the middle part is rotated, and the bar 43 and one end thereof are coupled to each other.

The fixing members 41 and 42 rotate in conjunction with each other by sliding of the bar 43, and have a sufficient length to provide a movable range for fixing optical disks having diameters of 12 cm and 8 cm, respectively. The bar 43 is also formed with a stopper 45 having a projection 45A formed by a leaf spring on the side adjacent to the main unit 10. When the bar 43 slides, the protrusion 45A is fixed to one of the three notches 43A. Therefore, the fixing members 41 and 42 are rotated to fix the outer periphery of the groove 21 (denoted by A in FIG. 7); Position protruding above the groove fixing the 12 cm optical disk (denoted B in FIG. 7); And a position (marked C in Fig. 7) protruding above the groove 22 fixing the 8 cm optical disk.

More specifically, when the fixing members 41 and 42 are in the position A shown in Fig. 7, the slider switch 43D is moved to the left side so that the projection 45A is fixed to one of the three notches 43A. Move. Thus, the fastening member 41 rotates counterclockwise at the end supported along the hole 44, while the fastening member 42 rotates clockwise in the middle so that the fastening members 41 and 42 are grooves 21. ) Is projected upward (as in B position in FIG. 7). When the slider switch 43D is moved further to the left, the projection 45A is fixed to one of the three notches 43A away from the main unit 10. Thus, the fastening member 41 rotates more counterclockwise at the end supported along the hole 44 while the fastening member 42 is rotated more clockwise in the middle so that the fastening members 41 and 42 are grooves ( 22) Protrude upwards (to position C in FIG. 7).

The second embodiment described above has the following advantages in addition to the advantages of the first embodiment. The rotatable fixing members (41, 42) have a simple linkage structure in the form of a bar (43); The fixing members 41 and 42 have respective ends connected to the connecting ends of the bars 43, and the fixing members 41 and 42 are recessed by the sliding of the bars 43 so that the fixing members 41 and 42 are grooves 21 and 22 of the disc tray 20. Each of them rotates simultaneously to protrude above the required one. Furthermore, the two fixing members 41 and 42 have a movable range to accommodate optical disks of various sizes, each 8 cm and 12 cm in diameter, so that any size optical disk can be properly fixed even when the disk device is used in a vertical position. Is allowed.

The present invention is not limited by the above embodiment but includes other structural forms, and is not limited to the following modifications for achieving the same purpose.

For example, the stopper used in the embodiments may be replaced by another type of device or structure capable of securing the fixing member in a predetermined position. The fixing members need not always have a movable range for fixing optical disks of different diameters. For example, in another example, two forms of fastening members may be provided separately for diameters of 8 cm and 12 cm. The fastening members can be constructed in more particular embodiments that are extensible and foldable so as to be able to move forward and backward relative to the groove of the disc tray, as well as being slidable and rotatable.

Moreover, although the above-described embodiments are specifically related to a single playback device for playing an optical disk, the present invention has the same advantages when applied to a disk device capable of recording on an optical disk in addition to playing an optical disk. . Furthermore, although the embodiments described above relate to a disc device of the type for reading information recorded on the optical disc by the optical pickup unit means, the present invention can also be used for a disc device of the type having other reproduction and / or recording techniques. have. That is, the present invention can be applied to any form of disk device in which the disk is fixed to the disk tray for loading.

In the above embodiments, specific structures, forms, and the like may be modified without departing from the spirit and spirit of the invention.

Claims (20)

A disk device having a disk tray having at least one groove so that a disk is located and loaded into a main unit, The disc tray a) a plurality of movable fixing members deformed for fixing the disk in the outer circumferential surface, in the vertical direction, of the disk located in the disk tray in the outer peripheral end region; And b) a link device for operatively connecting a plurality of movable fixing members to each other. The disk apparatus of claim 1, wherein the plurality of movable fixing members is rotatable on the disk tray. The disk apparatus of claim 1, wherein the plurality of movable fixing members is slidable on the disk tray. The disk apparatus of claim 1, wherein the plurality of movable fixing members is configured to fix one or more diameter disks. 2. The disk device of claim 1, wherein the link device is configured to hold a plurality of movable fixing members in a predetermined position. The disk apparatus according to claim 3, wherein the plurality of fixing members slide in respective directions. 7. The disk apparatus of claim 6, wherein the plurality of fixing members slide along parallel surfaces. 8. The disk apparatus of claim 7, wherein the plurality of fixing members slide along a plane parallel to the linkage. In the disk tray used for the disk device, The disc tray, a) at least one groove in which the disc is placed, b) a plurality of movable fixing members for fixing an outwardly facing surface of the disk located in the disk tray in an outer peripheral region; c) a plurality of movable fixing members configured to fix the disk in a vertical direction; And d) a disc tray comprising a linkage device for operatively connecting the other one and the plurality of movable fixing members. 10. The disc tray of claim 9, wherein the plurality of movable fixing members are slidable in directions of each other. 10. The disk of claim 9, wherein the plurality of movable fixing members are adapted to secure a disk having a first diameter in which the plurality of Gore members are located in the disk tray in a first position incapable of securing the disk located in the disk tray. And a second position in which the plurality of movable fixing members are movable to a third position in which the disk having the second diameter positioned in the disc tray can be fixed. 10. The disk tray of claim 9, wherein the disc tray comprises at least two grooves in which the plurality of movable fixing members are located in the first groove in a first position where the plurality of movable fixing members are not located in any groove. And a second position positioned for securing and a plurality of movable fixing members are moved to a third position positioned in the second groove for fixing the disk positioned in the second groove. 13. The disc tray of claim 12, wherein the plurality of movable fixing members is movable to the third position such that the plurality of movable fixing members are located in the first position and the second groove. 10. The disc tray of claim 9, wherein the plurality of fixing members slide along parallel planes. 10. The disc tray of claim 9, wherein at least one of the plurality of securing members slides along a "Z" shaped slot in the linkage. 10. The disc tray of claim 9, wherein at least one of the plurality of securing members slides along an arcuate slot in the linkage. In the disk tray used for the disk unit, The disc tray a) the front and rear with at least one groove in which the disk is located, b) a plurality of movable fixing members for fixing the outer periphery of the disk located in the disk tray, and c) a linkage device for operatively connecting said plurality of movable fixing members with another one so that said plurality of movable fixing members can be accurately moved in response to movement of one of said plurality of fixing members. The disc tray characterized by the above. 18. The disc tray of claim 17 wherein the plurality of movable fixing members is coupled to a linkage device that is slidable across the front face and positioned adjacent the back face. 18. The disc tray of claim 17, wherein the disc tray further comprises a stopper for fixing the plurality of fixing members in a predetermined position. 20. The disc tray according to claim 19, wherein the stopper member is a spring connected between the back side of the disc tray and the linkage device.