JP2500835B2 - Disc playback device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc reproducing apparatus capable of opening an opening / closing door with a disc cartridge and closing the opening / closing door after insertion.

[0002]

2. Description of the Related Art Conventionally, there is known a disc player which sets and reproduces a disc cartridge containing a compact disc or the like. In this disc player, when the disc cartridge is inserted into the cartridge shell, the disc cartridge is lowered and positioned together with the cartridge shell, the compact disc in the disc cartridge is rotated by the spindle, and read and reproduced by the pickup. . Also, when setting the disc cartridge,
The tip of the disc cartridge pushes the opening / closing door inward to insert it into the device, and the opening / closing door is positioned to rotate inside the device. The opening / closing door remains open inside.

[0003]

However, since the above-mentioned opening / closing door is opened at the time of inserting the disc cartridge and at the time of reproduction, it is easy for dust and the like to enter. Therefore, an object of the present invention is to provide a disc reproducing apparatus in which the opening / closing door is closed even when the disc cartridge is set.

[0004]

In order to solve the above problems, the present invention has the following constitution. That is, while an opening / closing door that covers the opening of the casing is provided, when the disc cartridge containing the compact disc is inserted into the cartridge shell provided facing the opening, the disc cartridge moves together with the cartridge shell and is set to the playback position. In the device, a hinge is provided at a lower portion of the opening / closing door provided in the opening to allow the upper end side of the opening / closing door to be opened / closed, and the opening / closing door is biased in the closing direction by a biasing means so that the opening / closing door has an upper end portion. An opening piece that extends forward is provided, the tip of the disk cartridge is hooked on this opening piece, the opening / closing door is opened, and the disk cartridge can be directly inserted into the cartridge shell.
When the disc cartridge is stored in the cartridge shell, the opening / closing door is closed by the biasing means. In addition, a hinge is provided above the opening / closing door so that the lower end side of the opening / closing door can be opened / closed, and the opening / closing door is biased in the closing direction by a biasing means to provide an opening piece at the lower end of the opening / closing door. May be.

[0005]

Next, the operation will be described. Hook the tip of the disc cartridge on the opening piece of the opening / closing door to open the opening / closing door, and insert the disc cartridge into the cartridge shell as it is. When the disc cartridge is stored in the cartridge shell, the opening / closing door is closed by the biasing means.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings. FIG. 1 is an exploded perspective view of an opening / closing door and a front panel of a disk device according to the present invention. FIG. 2 is a perspective view of the disk device. A front panel 14 is attached to the front of the disk device 12. An opening / closing door 16 is provided on the front panel 14. A large opening 18 is formed in the center of the front panel 14. The opening 18 serves as an insertion portion 20 for inserting a disc cartridge containing a compact disc and a hinge attachment portion of the opening / closing door 16, which is the insertion portion 2.
The hinge opening 22 is narrower than zero. Shaft projections 24a and 24b are provided on opposite side surfaces of the hinge opening 22. One of the shaft protrusions 24a and 24b is formed to be slightly longer than the other shaft protrusion 24a, and a spring 23 for urging the opening / closing door 16 in the closing direction is engaged in the vicinity of the one shaft protrusion 24b. An engaging projection 25 is provided for this purpose. Further, the insertion portion 20 of the opening 18 is provided with an inner flange 20a extending inward, and the opening / closing door 16 abuts against the inner flange 20a from the outside.

The opening / closing door 16 has an insertion portion 2 of the opening 18.
It is composed of a door portion 16A that closes 0 and a hinge portion 16B that is positioned corresponding to the hinge opening portion 22. The opening / closing door 16 will be described with reference to FIGS. 4 to 8. An opening piece 17 is formed at the central top of the door portion 16A of the opening / closing door 16 and extends obliquely upward and forward. Further, ribs 16a, 16
a is formed. Further, reinforcing ribs 16b and 16b are provided outside the ribs 16a and 16a (see FIG. 6). The ribs 16a, 16a are, as shown in FIG.
The lower part is formed wide in the front and back. On the other hand, rib 16
The end surfaces of b and 16b are formed vertically. Hinge part 1
Hinge 26,26 is provided in the width direction edge part of 6B. This hinge 26 has a slit 2 that opens downward.
6a, and the recess 26 is formed on the surface facing the fitting position of the shaft projections 24a, 24b of the slit 26a.
b is formed. Hinge 2 with which the shaft projection 24b is fitted
An engaging piece 16c that engages one end of the spring 23 is provided in the vicinity of 6.

FIG. 3 is a rear view showing a state in which the opening / closing door 16 is attached to the front panel 14. The opening / closing door 16 is attached to the shaft protrusions 24a and 24b of the hinge opening 22 of the front panel 14.
The slits 26a and 26a of the hinges 26 and 26 of FIG. Then, the shaft protrusion 2 formed to be slightly longer
The spring 23 is loosely fitted to the tip of the spring 4b.
One end 23a of the spring 3 is engaged with the engaging projection 25, and the other end 23b of the spring 23 is engaged with the engaging piece 16c. Therefore, the opening / closing door 16 is closed (direction in which the opening / closing door 16 contacts the inner flange 20a from the outside).
Is urged by.

A cartridge shell 30 is disposed in the disk device 12 so as to face the insertion portion 20 of the opening 18. The cartridge shell 30 is a position where the disc cartridge can be inserted when facing the insertion portion 20. When the disc cartridge is inserted into the cartridge shell 20 in this state, the cartridge shell 30 descends and moves to the set position. To eject the disc cartridge set in this set position, press the eject button 32 to push the cartridge shell 3
0 goes up and the disc cartridge opens 18
Is pushed out from the insertion part 20 of the. When the disc cartridge is pushed out from the insertion portion 20 of the opening 18,
Opening and closing door 1 by pushing ribs 16a of opening and closing door 16
6 is opened to the outside.

On the other hand, when the disc cartridge is inserted into the cartridge shell 30, the disc device 12 moves forward with the lock of the eject plate 34 released, and the cartridge shell 22 is lowered and set to the reproducing position accordingly. 10). On the other hand, when the eject button 32 is pushed, the eject plate 34 is retracted to raise the cartridge shell 30 (see FIG. 9), which is a conventionally known disk cartridge loading and ejecting mechanism.

The operation of the disk device configured as described above will be described. (1) To set the disc cartridge 11 in the disc device 12, insert the tip of the disc cartridge 11 into
When the opening / closing door 16 is placed on the opening piece 17 and pushed down, the opening / closing door 16 is opened. (2) With the opening / closing door 16 open, the disc cartridge 11 is inserted as it is into the cartridge shell 30 to set the disc cartridge 11. Then, the opening 18 of the opening / closing door 16 is closed by the biasing force of the spring 23. Therefore, since the opening 18 is closed by the opening / closing door 16 when the disc cartridge 11 is set, dust and the like do not enter the disc device 12 through the opening 18. (3) On the other hand, when ejecting the disc cartridge 11, when the eject button 32 is pushed, the eject plate 34 is retracted, the cartridge shell 30 is raised and the disc cartridge 11 is pushed out, and the disc cartridge 11 is opened on the rear surface of the opening / closing door 16. Ribs 16a, 1
6a is pushed to open the opening door 16 to the outside, and the disk cartridge 11 pops out. Then, when the disk cartridge 11 is taken out, the opening / closing door 16 is urged by the spring 23 to close the opening 18. The rib 16a,
Since the lower part of 16a is formed wide in the front-rear direction, when the opening / closing door 16 is opened, the ribs 16a are opened to a position where the inner edges of the ribs are horizontal (shown by a dotted line in FIG. 9), and the rib 16a, The inner edge of 16a serves as a guide for ejecting the disc cartridge 11. It also serves as a guide when inserting the disc cartridge. Furthermore, the opening and closing door 16
The disk cartridge 11 is pushed and opened at the time of ejection, but the opening is smooth because it is pushed not by the surface but by the point when pushing.

In the above embodiment, the hinges 26, 26 are provided at the lower portion of the opening / closing door 16 and the upper end side can be opened / closed. However, the top / bottom of the opening / closing door 16 is reversed so that the hinges 26, 26 are provided at the upper portion of the opening / closing door 16. May be provided so that the lower end side of the opening / closing door can be opened / closed. As shown in FIG. 11, the opening / closing door 16 is attached to the shaft protrusion 24 of the hinge opening 22 of the front panel 14.
The slits 26a and 26a of the hinges 26 and 26 of FIG. An opening piece 17 is provided at the lower end of the opening / closing door 16. The other structure is similar to that of the above embodiment. On the other hand, in order to set the disc cartridge 11 in the disc device 12, the disc cartridge 11
The opening / closing door 16 is opened by pressing the tip of the above against the opening piece 17 of the opening / closing door 16 from below. In this state, the disc cartridge 11 is inserted as it is. The embodiment of FIG. 11 has the same effects as the above embodiment. Although various preferred embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and it goes without saying that many modifications can be made without departing from the spirit of the invention. .

[0013]

According to the present invention, since the opening of the disc cartridge is closed after the disc cartridge is set, dust or the like does not enter the disc device. Further, since the opening piece extending forward is provided at the upper end portion or the lower end portion of the opening / closing door, it is possible to insert the disk cartridge as it is by opening the opening / closing door by hooking the tip of the disk cartridge with the opening piece. It is very effective.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a front panel and an opening / closing door of a disk device according to the present invention.

FIG. 2 is a perspective view of a disk device according to the present invention.

FIG. 3 is a rear view of the front panel.

FIG. 4 is a front view of an opening / closing door.

FIG. 5 is a plan view of an opening / closing door.

FIG. 6 is a rear view of the opening / closing door.

FIG. 7 is a side view of the opening / closing door.

FIG. 8 is a partial sectional view of an opening / closing door.

FIG. 9 is an explanatory diagram showing a state where a cartridge shell for setting a disc cartridge of the disc device can be inserted.

FIG. 10 is an explanatory diagram showing a state in which the disc cartridge of the disc device is set at the reproduction position.

FIG. 11 is a cross-sectional explanatory view showing an embodiment in which the opening / closing door is turned upside down.

[Explanation of reference numerals] 12 disk device 14 front panel 16 opening / closing door 17 opening piece 18 opening 20 insertion portion 22 opening portion 30 cartridge shell

Claims (2)

(57) [Claims] 1. An opening / closing door for covering an opening of a casing is provided, and when a disc cartridge containing a compact disc is inserted into a cartridge shell provided so as to face the opening, the disc cartridge moves together with the cartridge shell and is set at a reproducing position. In the disk device described above, a hinge is provided in the lower part of the opening / closing door provided in the opening, the upper end side of the opening / closing door can be opened / closed, and the opening / closing door is biased in the closing direction by a biasing means. Provide an opening piece that extends forward at the upper end,
The tip of the disc cartridge is hooked on this opening piece to open the opening / closing door so that the disc cartridge can be inserted into the cartridge shell as it is. When the disc cartridge is stored in the cartridge shell, the opening / closing door is closed by the biasing means. A disk reproducing device characterized in that 2. A hinge is provided on an upper part of the opening / closing door so that a lower end side of the opening / closing door can be opened / closed, and the opening / closing door is biased in a closing direction by a biasing means so as to extend forward to a lower end portion of the opening / closing door. Provide an opening piece to go out,
2. The disc reproducing apparatus according to claim 1, wherein the opening piece is hooked on the opening piece to open the opening / closing door so that the disc cartridge can be directly inserted into the cartridge shell.