KR19990053831A - Ejector of a disc player - Google Patents

Abstract

The present invention relates to a disc player take-out device provided with a lifting portion for raising the disc tray when the disc is separated from the turntable assembly on the side of the disc tray and the clamp holder, the disc tray being separate from the elastic bias means provided on one side of the disc tray. By forming the hook portion and the interference protrusion in the clamp holder, respectively, the disk can be easily detached from the pad, which is a rubber material formed on the upper surface of the turntable assembly.

Description

Ejector of a disc player

The present invention relates to a disc player take-out device, and more particularly to a disc player take-out device having an improved structure such that the disc is easily detachable from the turntable assembly.

In general, a disc player is a device for recording information on a recording medium such as a compact disk (CD) or a digital video disk (DVD) or reproducing the recorded information. Such a disc player is equipped with an optical pickup device to perform recording and reproduction of information on a recording medium in a non-contact manner.

1 shows an example of a conventional disc player 10.

Referring to the drawings, the disc player 10 is provided with a housing portion 11. The lower part of the housing part 11 is provided with a spindle motor part 12 for supplying rotational force, and the spindle motor part 12 is equipped with a turntable assembly 13. The turntable assembly 13 is a turntable main body 13a coupled to the power take-off shaft of the spindle motor part 12 and a pad 13b installed on an upper surface of the turntable main body 13a to prevent the disk from slipping when the disk comes into contact. ) And a magnetic body 13c coupled through a coupling hole formed in a central portion of the turntable main body 13a.

The disc tray 14 is installed on the upper part of the turntable assembly 13 at predetermined intervals, which seats the disc on the upper surface of the turntable assembly 13 and draws in and out of the housing part 11 to take out the disc.

In addition, a clamp holder 15 is installed at an upper portion of the disc tray 14, and a circular clamp 15a is coupled along a through hole of the clamp holder 15. A plurality of first protrusions 15b and second protrusions 15c protrude from both edges of the clamp holder 15.

In addition, the guide grooves 16 are provided on both side surfaces of the housing part 11 along the longitudinal direction, and the holder guides 17 in the height direction of the housing part 11 at predetermined portions of the guide grooves 16. Is formed. A first protrusion 15b is slidably coupled to the guide groove 16, and a second protrusion 15c is coupled to the holder guide 17 so as to be liftable.

On the other hand, an optical pickup section 18 is provided at the center of the housing section 11 for reciprocating motion and reproducing data recorded on the disk.

In the conventional disc player configured as described above, the disc tray 14 on which the disc is seated is transferred and positioned on the turntable assembly 13. Subsequently, as the first and second protrusions 15b and 15c of the clamp holder 15 are guided along the guide groove 16b and the holder guide 17, respectively, the clamp holder 15 is lowered downward. Done. At this time, the lower surface of the clamp (15a) is provided with a metal plate (not shown) is attached to each other by the magnetic force of the magnetic material (13c) provided in the central portion of the turntable assembly (13). Accordingly, the disk is pressurized and fixed at the same time by the clamp 15a and the turntable assembly 13.

When the disk is fixed, the disk rotates together with the turntable assembly 13 by the rotation of the spindle motor unit 12 to reproduce the information stored in the disk by the optical pickup unit 18.

On the other hand, when the disk is taken out, the clamp holder 15 is the first projection 15b that slides along the guide groove 16 and the second projection 15c that moves up and down along the holder guide 17. By spaced apart from the turntable assembly 13.

Subsequently, the disc springs upward from the turntable assembly 13 by the elastic force of the plurality of elastic bias means 14a on which the disc tray 14 is installed, and the disc tray 14 is removed from the housing portion 11. The disk can be taken out by transferring to the outside.

However, the conventional disc player 10 has the following problems.

When the disk seated on the disk tray 14 is placed on the turntable assembly 13 and operated or left for a long time in a high temperature and high humidity state, a rubber pad 13b attached to an upper surface of the turntable body 13a and A sticky mucus material is produced between the discs, causing the pad 13 and the disc to stick together partially. Thus, even if the elastic biasing means 14a are actuated, the disc is not easily separated from the turntable assembly 13.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object thereof is to provide a disc player take-out device that can easily remove a disc from a turntable assembly by improving the structure of a clamp holder and a disc tray.

1 is an exploded perspective view showing a part of a conventional disc player,

2 is an exploded perspective view showing a take-out device of the disc player according to an embodiment of the present invention.

<Brief description of symbols for the main parts of the drawings>

10. Disc Player 11. Housing

12,22. Spindle motor part 13,23. Turntable assembly

13a, 23a. Turntable main body 13b, 23b. pad

13c, 23c. Fertility 14,24. Disc tray

14a, 24a. Elastic bias means 15,25. Clamp holder

15a, 25a. Clamps 15b, 25b. First projection

15c, 25c. 2nd projection 16,26. Guide groove

17,27. Holder guide 18. Optical pickup

20. Take out device 210. Hook part

210a. Support 210b. Chin

220. Interference protrusion

In order to achieve the above object, the disc player ejecting device of the present invention includes a housing part; A turntable assembly coupled to the spindle motor part installed in the housing part; A disc tray installed on an upper portion of the turntable assembly and drawn in and drawn out from the housing part; A clamp holder mounted on the housing to support the disk mounted on the disk tray; And lifting portions formed on sides of the disc tray and the clamp holder to lift the disc tray when the disc is separated from the turntable assembly.

In addition, the lifting unit is characterized in that it comprises a hook portion formed in the clamp holder and the interference projection formed from the edge of the disk tray so that the hook portion is supported.

Here, the hook portion includes a support portion extending downward from the side of the clamp holder, and a jaw portion that extends horizontally from the support portion and is supported on the bottom surface of the interference protrusion.

Hereinafter, a preferred embodiment of a disc player ejecting device according to the present invention will be described in detail with reference to the accompanying drawings.

2 shows a disc player ejecting device 20 according to an embodiment of the present invention.

Referring to the drawings, the ejection device 20 of the disc player is coupled to the turntable assembly 23 to the spindle motor part 22 installed in the housing part. The turntable assembly 23 has a turntable main body 23a coupled to the power take-off shaft of the spindle motor part 22 and a pad 23b attached to an upper surface of the turntable main body 23a to cushion the disk when the disk is seated. ) And a magnetic body 23c installed through a coupling hole formed in a central portion of the turntable main body 23a.

In addition, a disc tray 24 is installed on the top of the turntable assembly 23 to allow the disc to be seated and to be drawn in and drawn out from the housing part. The disc tray 24 is provided with elastic biasing means 24a to elastically support the disc.

The clamp holder 25 for supporting the disk is installed on the disk tray 24. The clamp 25 is elastically coupled to the clamp holder 25 by a leaf spring through a through hole formed in a central portion thereof. Although not shown in the figure, a lower plate of the clamp 25a is provided with a metal plate, which is later attached to each other by the magnetic force of the magnetic body 23c when combined with the turntable assembly 23. In addition, a plurality of first protrusions 25a and second protrusions 25b are formed on both side surfaces of the clamp holder 25 to protrude with a predetermined length.

Meanwhile, guide grooves 26 and holder guides 27 for guiding the clamp holder 25 are installed at both side portions of the housing part. The guide groove 26 is provided along the longitudinal direction of the housing portion to provide a passage portion through which the first protrusion 25b can slide, and the holder guide 27 is formed in the height direction of the housing portion to provide the clamp holder ( A space portion in which the second protrusion 25c is moved is provided so that 25 can be lifted and lowered.

Here, a lift unit is provided, which lifts and lowers the disk to be forcibly detachable from the turntable assembly 23. The lifting unit includes a hook unit 210 formed on the clamp holder 25, and an interference protrusion 120 formed on the disc tray 24.

That is, the support part 210a extends in the vertical direction from both side surfaces of the clamp holder 25 to the hook part 210. The front end portion of the support portion 210a is formed with a jaw portion 210b extending therefrom in the horizontal direction. In addition, interference protrusions 220 are formed on both side surfaces of the disc tray 24, and the upper surface of the jaw catching portion 210b is seated on the lower surface of the interference protrusion 220.

The operation of the ejecting device of the disc player according to the present invention configured as described above is as follows.

By means of which the clamp holder 25 is first separated and then the disc tray 24 is separated from the turntable assembly 23 in order for the disc to be withdrawn from the housing part.

That is, the first protrusion 25b of the clamp holder 25 slides along the guide groove 26, and the second protrusion 25c moves up and down along the holder guide 27 so that the clamp holder 25 The clamp 25a is separated from the magnetic body 23c attached to the upper surface of the turntab body 23a and spaced apart from the turntable assembly 23.

Subsequently, the disk seated on the disk tray 24 in close contact with the turntable main body 23a is also detachable from the pad 23b by the elastic force of the plurality of elastic biasing means 24a provided on one side.

In this case, the hook portions 210 formed on both sides of the clamp holder 25 support the lower surface of the interference protrusion 220 formed at the side of the disc tray 24 by the jaw portion 210b. Therefore, when the clamp holder 25 is moved upward, the jaw portion 210b forcibly lifts the interference protrusion 220 so that the disk is spaced apart from the turntable assembly 23. Subsequently, the disc tray 24 is transported to the outside from the housing portion so that the disc can be taken out.

As described above, the ejection apparatus of the disc player of the present invention is a pad which is a rubber material formed on the upper surface of the turntable assembly by forming hook portions and interference protrusions on the disc tray and the clamp holder, respectively, separately from the elastic bias means installed on one side of the disc tray. The disk can be easily detached from the disk.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

Claims (3)

A housing part; A turntable assembly coupled to the spindle motor part installed in the housing part; A disc tray installed on an upper portion of the turntable assembly and drawn in and drawn out from the housing part; A clamp holder mounted on the housing to support the disk mounted on the disk tray; And And a lifter formed on each side of the disc tray and the clamp holder to lift the disc tray when the disc is separated from the turntable assembly. The method of claim 1, And the elevating portion includes a hook portion formed in the clamp holder, and an interference protrusion formed from an edge of the disc tray so that the hook portion is supported. The method of claim 2, And the hook portion includes a support portion extending downward from a side surface of the clamp holder, and a jaw portion extending horizontally from the support portion and supported on a bottom surface of the interference protrusion.