KR100575652B1 - Disk changer of stacking type - Google Patents

Abstract

The present invention relates to a conventional stacked disc changer, comprising: a stacked disc changer body including a cartridge accommodating part and a pickup module accommodating part; A pickup module mounted to the pickup module accommodation portion; A plurality of cartridges stacked so as to be slidably moved between the cartridge accommodating part and the pickup module accommodating part; A pressing member installed on a lower surface of the cartridge to elastically protrude toward the lower portion of the cartridge; By providing a stacked disk changer, characterized in that the configuration, including, it is possible to prevent the disk from falling off to prevent damage to the disk and the device, and ultimately to prevent user injury.

Disc changer

Description

Stackable Disc Changer {DISK CHANGER OF STACKING TYPE}

1 and 2 show the structure of a conventional stacked type disc changer,

1 is a perspective view of a stacked type disc changer

2 is a cross-sectional view taken along the line II-II of FIG.

3 to 7 show the structure of an embodiment of the present invention.

3 is a perspective view of a stacked disc changer

Figure 4 is a perspective view of the cartridge in the stacked state of Figure 3

5 is an enlarged view of portion V of FIG.

Figure 6 is a side view of the departure prevention device of Figure 4

Figure 7 is a plan view of Figure 4

** Description of the symbols for the main parts of the drawings **

10: main body 11: pickup module housing

12: cartridge housing 30: pickup module

20a-20e: Cartridge 120: Disc ejection lock

121: pressing member 122: spring

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stacked disc changer, and more particularly, to a disc detachment preventing apparatus of a stacked disc changer capable of preventing a disc mounted on a cartridge from being detached.

As optical disc related playback and recorders are becoming more common, various types of devices are coming out. In recent years, disc changers have been developed that can store and reproduce a large number of discs.

In general, a disc changer is a product that can play and exchange a plurality of discs in a set, and there are a rotary type and a recently stacked type. The rotatable type is formed in a structure similar to that of a conventional tray type device, and has a structure in which discs are arranged in a circle in a tray large enough to accommodate a plurality of discs. Stacking type is to stack a plurality of cartridges that can hold a disk. The present invention is applied to such a stacked type disc changer.

1 and 2 show the structure of a conventional stacked type disc changer, FIG. 1 is a perspective view of a stacked type disc changer, and FIG. 2 is a sectional view taken along the cutting line II-II of FIG.

As shown in these figures, a conventional stacked type disc changer includes a disc changer main body 10, a disc tray 20a-20e stacked at the inlet side of the disc changer main body 10 to receive a disc, and The pickup module 30 is provided inside the main body 10 so that the disc can be played back.

When the user selects a disc to play a specific disc, the tray 20c containing the selected disc is retracted into the position where the pickup module 30 is located and played.

At this time, a gap d is generated at the position where the selected disc tray 20c is located, as shown in FIG. In this state, if the attitude change of the disk changer, shaking, or the like occurs, the disk accommodated in the lower disk tray 20d can be detached from the disk tray 20d. Of course, if there is no disc in the lower disc tray 20d, no problem occurs, but a user who uses a disc changer tends to use the disc after storing the largest disc that can be stored because it is cumbersome.

As a result, the disc may be dislodged, which may cause damage to the disc, and thus cause a failure of the disc changer, and seriously injure the user.

The present invention has been made to solve the above problems, an object of the present invention is to provide a disc detachment prevention device of a stacked disc changer to prevent the disc from being detached to prevent damage to the disc and the disc changer.

The present invention provides a stacked disc changer body having a tray accommodating portion and a pickup module accommodating portion, in order to achieve the above object; A pickup module mounted to the pickup module accommodation portion; A plurality of trays stacked so as to be slidably moved between the tray receiving portion and the pickup module receiving portion; A pressing member installed on a lower surface of the tray to protrude elastically toward the lower side of the tray; It provides a stacked disk changer, characterized in that configured to include.

Here, the pressing member is coupled to the lower surface of the tray so as to be rotatable between the pressing position projecting down and the restoring position in close contact with the lower surface of the tray, and a spring for applying a restoring force so that the pressing member is in the pressing position; It is preferable to comprise more.

In addition, it is effective that the front end of the tray slidingly moved to the pickup module accommodating portion overlaps with the rear end of the disk accommodating portion of the tray located in the tray accommodating portion.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

However, in describing the present invention, a detailed description of known functions or configurations will be omitted in order not to disturb the gist of the present invention. In addition, the same reference numerals are given to the same and the same components as those described above, and detailed description thereof will be omitted.

Figures 3 to 7 show the structure of one embodiment of the present invention, Figure 3 is a perspective view of a stacked disk changer, Figure 4 is a perspective view of the tray in a stacked state of Figure 3, Figure 5 is a portion V of Figure 4 6 is a side view of the departure preventing apparatus of FIG. 4, and FIG. 7 is a plan view of FIG.

As shown in these figures, the stacked disc changer according to the embodiment of the present invention includes a stacked disc changer main body 10 having a tray accommodating portion 12 and a pickup module accommodating portion 11, and the pickup module accommodating portion 11. A plurality of trays 20a-20e and a tray (30a), which are mounted on the pickup module 30, are stacked in a plurality, and are slidably installed between the tray receiving portion 12 and the pickup module receiving portion 11. 20a-20d), the disk detachment preventing device 120 is provided.

The departure preventing device 120 is installed on the lower surface of all the disk trays 20a-20d except for the lowermost disk tray 20e. In this case, as shown in FIG. 5, the detachment preventing device 120 is preferably provided at a substantially front end of the tray as the rear surface of the disc housing portion. For example, when the tray 20c is moved to the pickup module accommodating part 11 as shown in FIG. 5, the pressing member of the separation prevention apparatus 120 provided in the back surface of the disk accommodating part 21c of the tray 20c will be described later. The 121 is positioned vertically downward by the restoring force of the spring 122, which will be described later, and the pressing member 121 presses the disk accommodated in the disk accommodating portion 21d of the tray 20d in the upward direction.
As described above, the departure prevention device 120 is preferably installed on the back of the disk housing, but is installed in such a specific position is not limited to the scope of the present invention, pickup module receiving portion (11) If only the disk of the tray (20d in FIG. 5) located below the moved tray (20c in FIG. 5) can be pushed upward, the installation position is not limited.
Here, the release preventing device 120 protrudes downward and the pressing member 121 installed on the lower surface of the tray so as to be rotatable between a pressing position for pressing the disk upward and a restoring position in close contact with the lower surface of the tray, and the pressing member ( And a spring 122 exerting a restoring force such that 121 is in the pressed position.
In this case, when all the trays 20a to 20e are stacked in the standby state, the pressing member 121 provided on the back of the upper tray is pushed by the lower tray to stand by in the restoring position, and then the lower tray is moved to the regenerating position. When the force pushing the pressing member 121 is removed, it is rotated to the pressing position by the restoring force of the spring 122.

As shown in FIG. 6, it is preferable that a stopper (not shown) is formed on the rotation shaft such that the pressing member 121 rotates only to the vertical direction on the lower surface of the tray. The spring 122 is composed of a torsion spring and is installed such that the torsion portion 122b is inserted into the rotation shaft of the pressing member 121.

The trays 20a-20e are disk accommodating portions 21a, 21b of the trays 20a, 20b, 20d, and 20e where the tips of the trays 20c located in the pickup module accommodating part 11 are located in the tray accommodating part 12. , 21d, 21e), so as to overlap the rear end.

Hereinafter, the operation of one embodiment of the present invention will be described.

Before the user plays back the discs of the specific trays 20a to 20e, all the trays 20a to 20e are waiting in a stacked state on the tray accommodating portion. In this case, the trays 20b to 20e located at the bottom push the pressing member 121 of the detachment preventing device 120 of the trays 20a to 20d located at the top to be in close contact with the rear surface of the disc housing. In other words, the storage potential energy of the spring is waiting at the maximum.
Then, when the user presses the play button to play any one disc, the tray 20c containing the selected disc is moved to the pickup module accommodating portion 11, and the upper portion of the moved tray 20c. The tray 20d located at the bottom of the tray 20c in which the pressing member 121 installed on the rear surface of the disk receiving portion 21b of the tray 20b located at the center rotates to the pressed position due to the restoring force of the spring 122. The upper surface of the disk accommodated in the disk accommodating part 21d of () is pressed.

Therefore, even if an impact is applied from the outside, the disc accommodated in the tray 20d positioned below the tray 20c moved to the pickup module accommodating portion 11 can be prevented from being separated from the disc accommodating portion 21d. As a result, damage to the disk and the device can be prevented.

In addition, since the distal end of the tray 20c moved to the pickup module accommodating part 11 is located above the rear end of the disc accommodated in the tray 20d located below, the disc accommodating portion 21c of the moved tray 20c. The pressing member 121 installed on the back of the) presses the disk of the tray 20d located below. Therefore, the pressing member 121 of the tray 20b presses the rear end of the disk, and the pressing member 121 of the moved tray 20c presses the leading end of the disk to support two points of the disk. Prevents the disc from coming off.

Although the preferred embodiments of the present invention have been described above by way of example, the scope of the present invention is not limited to these specific embodiments, and may be appropriately changed within the scope of the claims.

The present invention provides a disc change prevention device of a stacked disc changer and a disc changer having the same, which prevent the disc from being separated and thereby prevent the disc and the disc changer from being damaged.

Claims (3)

A stacked disc changer body having a tray receiving portion and a pickup module receiving portion; A pickup module mounted to the pickup module accommodation portion; A plurality of trays stacked so as to be slidably moved between the tray receiving portion and the pickup module receiving portion; A pressing member installed on a lower surface of the tray to protrude elastically toward the lower side of the tray; Stacked disk changer, characterized in that configured to include. The method of claim 1, The pressing member is coupled to the lower surface of the tray so as to be rotatable between a pressing position projecting downward and a restoring position in close contact with the lower surface of the tray, A spring for applying a restoring force such that the pressing member is in the pressed position; Stacked disk changer, characterized in that further comprises. The method according to claim 1 or 2, And a front end of the tray slidingly moved to the pickup module accommodating part so as to overlap with a rear end of the disc accommodating part of the tray located in the tray accommodating part.

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