KR100220599B1 - Apparatus for preventing a disc secession of an optical disc player - Google Patents

Abstract

The present invention discloses a disc detachment preventing apparatus of an optical disc player.

The present invention provides a swivel table in which side plates are formed to be spaced apart at predetermined intervals so as to have a working space opened toward a mounting groove on which a disk is mounted, and pin holes are formed in the center of the side plates, respectively; A fixed magnet mounted on one lower surface of the swivel table so as to be adjacent to the working space; A locker which is rotated about a pin in an operating space of the swivel table and installed to regulate the departure of the disk; And a first magnet and a second magnet, which are selectively adsorbed with the stationary magnet and are mounted so that the rotation of the locker is limited within a predetermined range.

Therefore, since the detachment of the disk from the mounting groove of the swivel table is effectively prevented by a mechanically simple configuration, malfunction is prevented and the reliability of the product is remarkably improved.

Description

Disc Detaching Device of Optical Disc Player

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical disc player, and more particularly, to an apparatus for preventing disc detachment of an optical disc player to prevent detachment of a disc.

In general, an optical disc player such as a laser disc player (LDP), a compact disc player (CDP), an optical disc changer, or the like has a disc loaded onto a turntable by driving a loading mechanism. To be clamped by the operation of the clamping unit, and to reproduce or record the information of the disc by driving the pick-up unit. Such optical disc players are commonly used because a large amount of information is conveniently recorded or reproduced.

As shown in FIG. 1, such an optical disc player is provided in a front of a main chassis 10 so that a tray 11 can be slidably moved inward.

A swivel table 12 in which the disk D is mounted in the center of the tray 11 is rotatably mounted by the drive of the drive motor 13, and a plurality of disks ( A plurality of mounting grooves 12A are formed at equal intervals so that D) can be mounted thereon.

In addition, a turntable 14 on which the disk D transported by the tray 11 is mounted is mounted to the rear of the main chassis 10, and the disk D seated on the upper surface of the turntable 14 is clamped. clamped by (clamp: 15).

Thus, when the disk D is seated on the turntable 14, when the turntable 14 is rotated, the pickup unit 16 is transferred in the radial direction of the disk D to reproduce or record the information of the disk D. do.

By the way, in the conventional optical disc player, as shown in FIG. 2, the disk D mounted in the mounting groove 12A of the swivel table 12 has a problem of being separated from the mounting groove 12A.

That is, when the optical disc player is inclined in either direction and the installation state is unstable or when vibration or shock is transmitted from the outside, the disc D is easily released while the disc D flows in the mounting groove 12A of the swivel table 12. .

As a result, malfunctions occur when the disc D is clamped by the tentable 14 and the clamp 15, so that recording or reproducing of the optical disc player is impossible, resulting in a significant decrease in the reliability of the product.

Disclosure of Invention The present invention has been made to solve the above-mentioned problems in the related art, and an object of the present invention is to prevent disc detachment of an optical disc player in which the detachment of the disc is effectively prevented by a simple mechanical configuration to improve the reliability of the product. To provide a device.

A feature of the present invention for achieving the above object is a tray which is slidably transported inwardly in front of the main chassis, a swivel table mounted to mount a plurality of disks in the center of the tray, and one of the disks. In an optical disc player comprising a clamp for selectively clamping a to a tentable and a pickup unit for recording or reproducing information on a disc, the side plates are spaced apart at predetermined intervals so as to have an operating space open toward the mounting groove on which the disc is mounted. A swivel table having pin holes for assembling pins in the center of the side plate; A fixed magnet mounted on one lower surface of the swivel table so as to be adjacent to the working space; A locker which is rotated about a pin in an operating space of the swivel table and installed to regulate the departure of the disk; And a first magnet and a second magnet, each of which is selectively adsorbed with a fixed magnet and is mounted such that rotation of the locker is limited within a predetermined range.

1 is a perspective view showing a typical optical disc player

2 is a cross-sectional view showing a swivel table in a conventional optical disc player.

Figure 3 is a perspective view partially showing a disc separation prevention device of the optical disc player according to the present invention

Figure 4a is a cross-sectional view showing a disc departure prevention device of the optical disc player according to the present invention

4B is an operating state diagram of FIG. 4A

* Explanation of symbols for main parts of the drawings

10: main chassis 11: tray

14 turntable 16 pickup unit

20: swivel table 21: mounting groove

22: working space 27: fixed magnet

30: rocker 33: button plate

34: support plate 35: mouse

40,41: first and second magnet D: disk

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, one preferred embodiment of an apparatus for preventing disc detachment of an optical disc player according to the present invention will be described in detail with reference to the accompanying drawings.

3 to 4A and 4B are diagrams for explaining the disc detachment prevention apparatus of the optical disk player according to the present invention, and the basic configuration of the optical disk player described in FIG. 1 will be described with the same reference numerals.

1 and 3, the swivel table in which the tray 11 is installed in the front of the main chassis 10 so as to be slide-movable toward the inside thereof, and the disk D is mounted in the center of the tray 11. 20 is rotatably mounted by driving of the drive motor 13.

In addition, a turntable 14 on which the disk D transported by the tray 11 is mounted is mounted to the rear of the main chassis 10, and the disk D seated on the upper surface of the turntable 14 is clamped 15. Clamped by).

On the other hand, the mounting groove 21 is formed at equal intervals so that a plurality of disks (D) can be mounted on the upper surface of the swivel table 20, and is open toward the mounting groove (21) on one side of the swivel table (20) The side plates 23 and 24 are formed to be spaced apart at predetermined intervals so as to have the working space 22. That is, the side plates 23 and 24 have an approximately "c" shape open to have the working space 22.

Pin holes 25 are formed in the centers of the side plates 23 and 24, and pins 26 are assembled in the pin holes 25 of the side plates 23 and 24, respectively. Fix magnets 27 are mounted on one lower surface of the swivel table 20 so as to be adjacent to the working space 22.

In addition, a locker 30 that is freely rotated about the pin 26 in the working space 22 of the swivel table 20 to regulate the detachment of the disk D is provided. The locker 30 has a through hole 32 into which the pin 26 is fitted in the center of the body 31, and a button plate (button) to selectively rotate the locker 30 in the upper portion of the body 31. plate: 33) is formed.

Meanwhile, the rocker 30 has a support plate 34 formed below the body 31, and the buttons and the support plates 33 and 34 of the rocker 30 are formed to be horizontal to each other. A mouse (mouth) 35 is formed in which one outer peripheral surface of the disk D is sandwiched and positioned.

That is, the locker 30 is manufactured in a substantially "c" shape by the buttons and the support plates 33 and 34 formed on the upper and lower portions of the body 31, and the buttons and the support plates 33 and 34 are formed. The length of is preferably formed to be substantially the same.

The locker 30 has a first assembly groove 36 formed in front of the lower surface of the support plate 33, and a second assembly groove 37 is formed at the corners of the body 31 and the support plate 33. In the first and second assembly grooves 36 and 37 of the locker 30, the first and second magnets 40 and 41 are selectively attached to the fixed magnets 27 by magnetic force. The first and second magnets 40 and 41 are selectively adsorbed by the fixed magnet 27 and the magnetic force to limit the rotation of the locker 30.

Referring to the operation state of the disk departure prevention apparatus of the optical disk player according to the present invention as described above are as follows.

As shown in FIG. 4A, when the button plate 33 of the locker 30 is raised upward, the locker 30 is rotated about the pin 26 while the mouse 35 is directed upward.

Then, the rotation of the rocker 30 is stopped while the second magnet 41 is attracted to the fixed magnet 27 by the rotation of the locker 30. At this time, it is preferable that the locker 30 is rotated by about 45 ^° with the mounting groove 21 of the swivel table 20 as a horizontal reference line.

Therefore, when the disk D is mounted in the mounting groove 21 of the swivel table 20, one side of the outer circumferential surface of the disk D is inserted into the mouse 35 and supported by the support plate 34.

In this state, as shown in FIG. 4B, when the button plate 33 of the locker 30 is lowered, the second magnet 41 is separated from the fixed magnet 27, whereby the locker 30 is pinned. The button and the support plates 33 and 34 are kept horizontal with the swivel mounting groove 21 while being rotated about the 26.

In addition, the fixed magnet 27 is attracted to the first magnet 40 by the rotation of the locker 30, and the rotation of the locker 30 is prevented.

Thus, one side of the outer circumferential surface of the disk D mounted in the mounting groove 21 of the swivel table 20 is positioned to fit the mouse 35 of the locker 30, so that the disk D is mounted on the swivel table 20. The phenomenon of being separated from the groove 21 is prevented.

That is, even when the optical disc player is inclined in either direction and the installation state is unstable or when vibration or shock is transmitted from the outside, one side of the outer peripheral surface of the disc D is disposed between the button and the support plates 33 and 34. 35, the flow of the disk D is regulated by the button plate 33, so that the departure of the disk D is effectively prevented.

As described above, when the button plate 33 of the locker 30 is raised upward, the locker 30 is rotated about the pin 26 and the mouse 35 is directed upward. The disk D can be detached from the mounting groove 21 of 20).

Therefore, malfunctions are prevented when the disc D is clamped by the tentable 14 and the clamp 15, so that recording or reproducing of the optical disc player is normally performed to improve the reliability of the product.

On the other hand, the above embodiment is merely to describe one preferred embodiment of the present invention, the scope of the present invention is not limited to this, and can be changed as appropriate within the scope of the same idea.

As described above, according to the disk detachment prevention apparatus of the optical disk player according to the present invention, since the detachment of the disk from the mounting groove of the swivel table is effectively prevented by a mechanically simple configuration, malfunction is prevented and the reliability of the product is remarkably. To improve.

Claims (3)

A tray which is slidably installed in front of the main chassis so as to slide inward, a swivel table mounted to mount a plurality of disks in the center of the tray, a clamp for selectively clamping one of the disks to a ten table, An optical disc player comprising a pickup unit for recording or reproducing information on the disc, The side plates 23 and 24 are formed to be spaced apart at predetermined intervals so as to have the working space 22 opened toward the mounting groove 21 on which the disk D is mounted, and the center of the side plates 23 and 24 is formed. A swivel table 20 each having a pin hole 25 to which pins 26 are assembled; A fixed magnet 27 mounted on one lower surface of the swivel table 20 so as to be adjacent to the operating space 22; A locker 30 which is rotated about the pin 26 in the working space 22 of the swivel table 20 so as to restrict the departure of the disk D; And first and second magnets (40) and (41), each of which is selectively adsorbed with the fixed magnets (27) and mounted so that the rotation of the locker (30) is limited within a predetermined range. Disc release prevention device. 2. The locker (30) according to claim 1, further comprising: a body (31) having a through hole (32) into which the pin (26) is fitted; A button plate 33 formed on the upper portion of the body 31 to selectively rotate the locker 30; It is formed in the lower portion of the body 31 to be parallel to the button plate 33, it is made of a support plate 34 having a mouse 35 so that one side of the outer circumferential surface of the disk (D) is inserted therebetween. Disc detachment prevention device of an optical disc player. 3. The locker 30 has a first assembly groove 36 in which the first magnet 40 is mounted in front of the lower surface of the support plate 33, and the body 31 and the support plate. A disc assembly preventing device of an optical disc player, characterized in that a second assembly groove (37) on which the second magnet (41) is mounted is formed at an edge of the (33).