JPH07244910A - Disk loading device - Google Patents

Abstract

PURPOSE:To miniaturize a disk player and to look at a disk from the outside at the time of reproducing the disk. CONSTITUTION:At the time of drawing out a tray 4 capable of placing the disk 3 and being freely and horizontally withdrawn into and drawn out of a tray drawing opening part 2 provided on a cabinet 1 in its front surface 1a by a driving means, its stroke is so specified that at least a part of the disk 3 should be positioned inside from the front surface 1a of the cabinet 1. A disk driving means is provided to enable the placed disk 3 to be reproduced at the time of the withdrawn state of the tray 4. A disk loading and unloading opening part 8 for making the disk 3 loadable into and unloadable from the tray 4 at the time of the drawn-out state of the tray 4 is provided in the front surface 1a of an upper part of the cabinet 1 to be continued to the opening part 2. The device is also equipped with an opening and closing driving means for a lid body 10 for closing the disk loading and unloading opening part 8 at the time of withdrawing the tray 4 and opening this part 8 to enable the disk 3 to be loaded and unloaded at the time of drawing out the tray 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc loading device for pulling a tray, on which a disc is placed, into or out of a cabinet in a disc player.

[0002]

2. Description of the Related Art As shown in FIG. 12, a disc loading device in a disc player uses a tray pulling opening 2 provided on a front surface 1a of a cabinet 1 to horizontally move a tray 4 on which a disc 3 can be placed by a driving means. When the tray 4 is pulled in or pulled out in the direction and the tray 4 is pulled in, the disc driving means reproduces the disc 3 on the tray 4.

The opening 2 of the disk loading device is opened and closed by a door 4a attached directly to the tip of the tray 4 as shown in FIG. As shown in FIG. 14, the door 5 is pivotally supported on the front surface 1a of the cabinet 1,
There is a type in which the door 5 is normally urged in a closing direction by a spring 5a, and the door 5 is pushed down by the tip of the tray 4 when the tray 4 is pulled out.

[0004]

However, in any of the conventional disk loading devices described above, the entire surface of the disk is positioned outside the front surface of the cabinet when the disk is loaded or unloaded in the tray pull-out limit. Because of the structure, the stroke of the tray becomes long, and a large supporting portion is required for the tray, which is an obstacle to downsizing of the disc player.

Further, in the conventional disc loading apparatus, the disc cannot be seen from the outside during the reproduction of the disc. Therefore, for example, when the sound is not produced, the failure point is due to the rotation failure of the turntable, or the like. There was also a problem that the user could not specify whether the failure was due to the failure of the part.

The present invention has been made in view of the above-mentioned conventional problems, and provides a disc loading device that enables miniaturization of a disc player and that allows a disc to be viewed from the outside when the disc is reproduced. It was made for the purpose of doing.

[0007]

In order to achieve the above-mentioned object, a disk loading device of the present invention is capable of loading a disk and is horizontally drawn and drawn out from a tray drawing opening provided on the front surface of a cabinet. The tray and its driving means, which are freely movable and have a stroke such that at least a part of the above-mentioned placed disk is located inside the front surface of the cabinet when the tray is in the pulled-out state, and when the tray is in the retracted state, the tray and the driving means are mounted. A disc drive means for reproducing the placed disc, and a disc attachment / detachment provided on the front surface of the cabinet above the opening so as to allow the disc to be attached / detached to / from the tray when the tray is pulled out. Opening and the disk loading / unloading opening are closed when the tray is retracted, and the disc is opened when the tray is pulled out. It is provided with a lid body that is opened to enable the attachment / detachment of the disc and an opening / closing drive means for the lid body. Further, at least a part of the disc in the housed state is seen through when the lid body is in the closed state. That is, the structure is provided with a possible window.

The opening / closing drive means of the lid in the disk loading apparatus of the present invention has a cam pivotally supported at one end that rotates in conjunction with movement of the tray between the retracted state and the retracted state, and the other end. Which is configured to open and close a lid body which is guided by a groove provided on the side and uses the upper edge side of the back surface as a fulcrum of rotation and the lower edge side to be rotatable inward and downward in the cabinet. , A rack installed at a predetermined position on the upper surface of the tray, a rack horizontally projecting at a predetermined position on the back side of the lid body to face the rack, and a rack provided on the lid body are always meshed and provided on the tray. The rack is equipped with a pinion that is rotatably supported in the cabinet so that it can be engaged only for a certain length immediately before the tray is pulled out. From the closed state of the lid Is slid inward of the cabinets, the open lid state adopted as the front of the lid is configured so as to be positioned inwardly from the front of the cabinet.

[0009]

According to the present invention, since the tray stroke can be shortened and the tray supporting portion can be miniaturized accordingly, the disc player can be miniaturized. Further, since the disc can be viewed from the outside during the reproduction of the disc, if the disc breaks down, it becomes easy to identify the faulty part.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The disk loading device of the present invention will be described in detail below with reference to the embodiments shown in FIGS.

FIG. 1 is a perspective view of a disc player equipped with a disc loading device according to the first embodiment of the present invention, and FIG. 2 is an opening / closing drive means showing a playing state of the disc loading device according to the first embodiment of the present invention. 2 is a side sectional view in which the opening / closing driving means showing the tray withdrawing state similar to that in FIG. 2 is omitted, FIG. 4 is an enlarged view of an essential part of FIG. 2 showing the opening / closing driving means, and FIG. 3 showing the opening / closing drive means, FIG. 6 is a view similar to FIG. 2 of a disk loading device equipped with a different type of disk drive means, and FIG. 7 is a tray withdrawal state similar to FIG. FIG. 8 is a side sectional view, FIG. 8 is a view similar to FIG. 4 of a disk loading device having a different type of opening / closing drive means, and FIG. 9 is the same as FIG. 5 of a disk loading device similar to FIG. Diagram, FIG. 10 is a second view similar to FIG. 2 in the embodiment of, similar to FIG. 3 in the second embodiment of FIG. 11 is also present invention of the present invention.

1 to 9, reference numeral 1 is a cabinet of a disc player which accommodates the disc loading device of the present invention, and a tray 4 is horizontally moved by a driving means 6 from an opening 2 for pulling out a tray provided on a front surface 1a thereof. It is configured to be pulled out or retracted in the direction. In this embodiment, as the driving means 6, as shown in FIGS. 4 and 7, the output gear of the loading motor 6a is rotated in the forward and reverse directions to rotate the loading gear 6b in the forward and reverse directions at a predetermined reduction ratio. It is shown that the rack is engaged with the rack 4b installed on the tray 4.

In the present invention, the drive means 6 is
The stroke is set so that the portion of the disk 3 placed on the tray 4 on the cabinet 1 side is located inside the front surface 1a of the cabinet 1 in the pull-out limit of the tray 4.

Reference numeral 7 denotes a turntable 7 mounted so as to be rotatable and vertically movable so as to reproduce the disk 3 placed on the tray 4 when the tray 4 is retracted into the cabinet 1. The turntable 7 and an optical pickup (not shown) that freely slides along a center line including this axis are associated with each other to form a disk drive means.

Reference numeral 8 denotes a front surface 1a of the cabinet 1 and a disk attaching / detaching opening which is continuously provided above the opening 2 and which is provided in the opening 8 for a part of the cabinet 1, for example. A lid 10 having a window 10b through which the inside can be seen is installed. Needless to say, the lid 10 itself may be made of a material that allows the interior of the cabinet 1 to be seen through.

The lid 10 is pivotally supported in the cabinet 1 at the upper edge side of its back surface and is rotatably mounted about this pivotally supporting portion 10d as a fulcrum. When the tray 4 is retracted, the opening 8 is closed. Further, when the tray 4 is pulled out, in order to facilitate the attachment / detachment of the disc 3 from / to the tray 4, the opening / closing drive means 9 swings inwardly of the cabinet 1 in conjunction with the pulling out of the tray 4. It is configured.

As the opening / closing drive means 9, in this embodiment, one end of a cam 9a is pivotally supported on the cabinet 1, and an arc-shaped guide groove 9aa is provided on the other end side of the cam 9a. A pin 10a protruding from the lower portion of the back surface side of the lid 10 is inserted, and a protrusion 4c provided on the tray 4 by pulling out the tray 4 kicks a claw portion 9ab protruding on the outer periphery of one end of the cam 9a. 9a is rotated by a predetermined angle using the pivotal support portion 9ac at the one end as a fulcrum to guide the guide groove 9aa.
By this action, the lid body 10 is changed from the closed state shown in FIG. 4 to the open state shown in FIG. In addition, when the tray 4 is retracted, the claw portion 9 of the cam 9a by the protruding portion 4c of the tray 4 is drawn.
When the ab is no longer restrained, the torsion coil spring 9b acts to shift the open state shown in FIG. 5 to the closed state shown in FIG.

Reference numeral 11 denotes a clamp mechanism for holding the disc 3 with the turntable 7 when the disc 3 is reproduced. The clamp mechanism 11 shown in FIGS. 2 and 3 is provided by vertically moving the turntable 7 constituting the disc driving means. The clamp plate 11a is lifted from the holding portion 11b to lift the turntable 7
Shows that the disk 3 is sandwiched by and [see FIG. 2] and is held by the holding portion 11b [see FIG. 3].

By the way, the disk drive means is shown in FIG.
Also, the turntable 7 as shown in FIG. 3 is not limited to the vertically movable structure, and may have no vertical movement mechanism for the turntable 7. However, in this case, as the clamp mechanism 11, as shown in FIGS. 6 and 7, it is necessary to adopt a structure in which the holding portion 11b is vertically swung with one end as a fulcrum 11c.

The opening / closing drive means 9 for the lid 10 is also shown in FIG.
The configuration is not limited to that shown in FIG. 5 and FIG. 5, and the configuration shown in FIGS. That is, what is shown in FIGS. 8 and 9 is different from that shown in FIGS. 4 and 5 in the shape of the guide groove 9aa provided in the cam 9a and the mounting method of the torsion coil spring 9b.

That is, in the structure shown in FIGS. 4 and 5, the radius of the arc of the guide groove 9aa is small, and the other end of the torsion coil spring 9b is engaged with the mounting portion 12a of the lamp 12 which will be described later. However, the torsion coil spring 9b acts only when the lid 10 is changed from the open state to the closed state, but the one shown in FIGS. 8 and 9 has the guide groove 9a.
The radius of the arc of "a" is large, and the other end of the torsion coil spring 9b is installed on the lid body 10, and the lid body 10 acts so as to maintain the closed state and the open state. Therefore, in the case shown in FIGS. 8 and 9, the protrusion 4c provided on the tray 4 is provided.
4 and 5, it is not necessary to lengthen the middle claw portion 9ab to restrain the middle claw portion 9ab while the lid body 10 maintains the open state, and only when changing the closed state and the open state. Anything that kicks out

Reference numeral 12 denotes a lamp for illuminating a part of the disc 3 during reproduction of the disc 3 so that the part of the disc 3 being reproduced can be easily seen through the window 10b of the lid 10.

The operation of the disc loading device constructed as described above will be described below.

First, as shown in FIG. 2, FIG. 4, FIG. 6 and FIG. 8, in the reproducing state of the disk 3 in which the tray 4 is pulled into the cabinet 1, the tray pull-out opening 2 in the front surface 1a of the cabinet 1 is shown. Is closed by a door 4a on the front of the tray 4, and the disk mounting / dismounting opening 8 is opened / closed by driving means 9
Is closed by the lid 10. At this time, a part of the disk 3 being reproduced is illuminated by the lamp 12 and can be seen through the window 10b provided in the lid 10.

Next, when the tray 4 is pulled out from the cabinet 1 and the disc 3 is taken out after the reproduction is completed,
After the clamp mechanism 11 is operated to release the clamp of the disk 3, the driving means 6 is operated to pull out the tray 4. At this time, when the tray 4 is pulled out to a predetermined position, the protrusion 4c kicks the claw 9ab of the cam 9a to open the lid 10 inside the cabinet 1 (see FIGS. 5 and 9).
When the tray 4 is pulled out to the pull-out limit position, as shown in FIGS. 3 and 7, at least a part of the disk 3 placed on the tray 4 is located inside the front surface 1a of the cabinet 1. Becomes

As described above, according to the present embodiment, the disk 3 can be easily taken out without pulling out the tray 4 until all the disks 3 are located outside the front surface of the cabinet 1. Stroke becomes shorter. Since the supporting portion of the tray 4 can be miniaturized accordingly, the disc player can be miniaturized. Further, when the disc 3 is reproduced, the disc 3 can be seen from the outside through the window 10b of the lid 10, so that in the event of a failure, the location of the failure can be easily identified.

In the embodiment shown in FIGS. 1 to 9, the lid 10 is pivoted by the opening / closing drive means 9 at the upper end on the rear surface side.
Although it is pivoted up and down with the fulcrum as a fulcrum, the opening / closing drive means 9 is not limited to this, and as shown in FIGS.
The lid 10 is slid inward from the closed state to the inside of the cabinet 1 in conjunction with the movement of the tray 4 between the retracted state and the pulled out state, and in the opened state, the front surface of the lid body 10 is the front surface of the cabinet 1. It may be configured to be located inward of 1a.

That is, the opening / closing drive means 9 in FIGS. 10 and 11 pivotally supports the pinion 9c between the tray 4 and the lid 10 in the cabinet 1 so as to be rotatable in the forward and reverse directions, and at a predetermined position on the upper surface of the tray 4. Installs a rack 4d that meshes with the pinion 9c only at a constant interval when the tray 4 is pulled out and pulled in by the driving means 6, and
A rack 10c that constantly meshes with the pinion 9c on the side opposite to the rack 4d on the rear surface side of the lid 10 is provided so as to project in the horizontal direction on the side opposite to the rack 4d.

In the opening / closing drive means 9 thus constructed,
In the reproducing state of the disc 3 in which the tray 4 is drawn into the cabinet 1, the tray pulling opening 2 on the front surface 1a of the cabinet 1 is closed by the door 4a on the front surface of the tray 4, and the disc loading / unloading opening 8 is opened and closed. It is closed by the lid body 10 by the action of the means 9. At this time, the pinion 9c is the rack 10c protruding from the back surface of the lid 10.
Only meshes with and does not mesh with the rack 4d provided on the tray 4. It should be noted that a part of the disc 3 being played is the lamp 1
It is similar to the previous embodiment that it is illuminated by 2 and can be seen through the window 10b provided in the lid 10.

Next, when the tray 4 is pulled out from the cabinet 1 and the disc 3 is taken out after the reproduction is completed,
After the clamp mechanism 11 is operated to release the clamp of the disk 3, the driving means 6 is operated to pull out the tray 4. At this time, when the tray 4 is pulled out to a predetermined position, the rack 4d provided on the tray 4 meshes with the pinion 9c to rotate the pinion 9c counterclockwise in FIG.
Then, the rotation of the pinion 9c causes the lid 10 to move horizontally into the cabinet 1 via the rack 10c meshing with the pinion 9c. When the tray 4 is pulled out to the pull-out limit, as shown in FIG. 11, at least a part of the disc 3 placed on the tray 4 is at the front surface 1 a of the cabinet 1.
It will be in a state of being located inside.

As described above, also in the case of the embodiment shown in FIGS. 10 and 11, the disc 3 can be easily taken out without pulling out the tray 4 until all the discs 3 are located outside the front surface of the cabinet 1. Strokes for pulling out and pulling in the tray 4 are shortened. Since the supporting portion of the tray 4 can be miniaturized accordingly, the disc player can be miniaturized. Also, when playing the disc 3,
Since the disk 3 can be seen from the outside through the window 10b of the lid body 10, if a failure occurs, the failure location can be easily identified.

[0032]

As described above, according to the present invention, the disc can be easily taken out without pulling out the tray until all the discs are located outside the front surface of the cabinet. Therefore, the stroke of the tray is shortened, and accordingly, the tray is shortened. The support portion of can be downsized, and the disk player can be downsized. Further, since the disc can be seen from the outside during the reproduction of the disc, if the disc breaks down, it becomes easy to identify the faulty part.

[Brief description of drawings]

FIG. 1 is a perspective view of a disc player including a disc loading device according to a first embodiment of the present invention.

FIG. 2 is a side sectional view showing a playing state of the disk loading device according to the first embodiment of the present invention, in which opening / closing driving means is omitted.

FIG. 3 is a side sectional view showing a tray withdrawal state similar to that shown in FIG. 2, in which opening / closing drive means is omitted.

FIG. 4 is an enlarged view of a main part of FIG. 2 showing an opening / closing drive means.

FIG. 5 is an enlarged view of a main part of FIG. 3 showing opening / closing driving means.

FIG. 6 is a view similar to FIG. 2 showing a disk loading device equipped with different types of disk drive means.

FIG. 7 is a side sectional view showing a tray withdrawal state similar to FIG.

FIG. 8 is a view similar to FIG. 4 showing a disk loading device provided with different types of opening / closing drive means.

9 is a view similar to FIG. 5 of the same disk loading device as in FIG. 8;

FIG. 10 is a view similar to FIG. 2 in the second embodiment of the present invention.

FIG. 11 is a view similar to FIG. 3 in the second embodiment of the present invention.

FIG. 12 is a perspective view of a disc player having a conventional disc loading device.

FIG. 13 is a side sectional view showing a tray withdrawn state of a conventional disc loading device.

FIG. 14 is a cross-sectional view of essential parts showing another embodiment of the door of the conventional disc loading device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cabinet 1a Front face 2 Tray drawer opening 3 Disc 4 Tray 6 Tray drive means 7 Turntable 8 Disc attachment / detachment opening 9 Opening / closing drive means 9a Cam 9c Pinion 10 Lid 10b Window

Claims (4)

[Claims] 1. A disk is mountable, and can be freely drawn in and out horizontally from a tray drawer opening provided on the front surface of the cabinet. Further, at least a part of the disk placed in the above state is in the drawer state. When the tray is in the retracted state, and the tray and its driving means have a stroke so that they are located inside the front surface of the cabinet.
A disk drive means for reproducing the mounted disk, and a disk which is provided on the front of the cabinet above the opening continuously from the opening so that the disk can be attached to and detached from the tray when the tray is pulled out. A loading / unloading opening, a lid that closes the disk loading / unloading opening when the tray is in the retracted state, and a lid that is opened to allow the loading / unloading of the disk when the tray is in the loaded state, and opening / closing drive means for the lid are provided. Disk loading device characterized by. 2. The disc loading apparatus according to claim 1, wherein the lid body is provided with a window through which at least a part of the disc in the housed state can be seen through when the lid is closed. 3. A groove provided on the other end side of the opening / closing drive means of the lid body is a cam pivotally supported at one end that rotates in conjunction with movement of the tray between the retracted state and the retracted state. The lid body configured to be rotated by the upper edge side of the back surface as a fulcrum of rotation and the lower edge side of the lower edge side to be openable and closable in an inward direction of the cabinet. 2. The disk loading device described in 2. 4. The lid opening / closing drive means includes a rack installed at a predetermined position on the upper surface of the tray, a rack horizontally projecting at a predetermined position on the back surface side of the lid so as to face the rack, and a lid body. The rack provided is always meshed, and the rack provided on the tray is equipped with a pinion rotatably supported in the cabinet so as to mesh only for a fixed length immediately before the tray is pulled out. The lid is slid from the closed state to the inside of the cabinet in conjunction with the movement between the state of being pulled out and the front side of the lid is positioned inward of the front side of the cabinet in the opened state. The disk loading device according to claim 1 or 2, characterized in that: