JP3143634B2 - Disc changer - 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 changer.

[0002]

2. Description of the Related Art Conventionally, there has been a disk changer of this type shown in FIGS. As shown in these figures, the disc changer includes a disc housing 2 in which a plurality of discs 1 are housed in parallel with each other, and a thickness direction of the plurality of discs 1 housed in the disc housing 2. And a transporter 3 for taking in a desired disc 1 from the disc housing 2 and returning the disc 1 to its original position after reproduction. When the disc 1 is taken in from the disc storage body 2 and when the disc 1 is returned, a part near the outer peripheral edge of the disc 1 is loosely fitted into the transporter 3 to guide the disc 1. A disk guide 5 having a groove 5a is provided. The disk guide 5 is rotatably mounted on the transporting machine 3 about a rotating shaft 3d.
Powered by With this bias, the disc guide 5 is moved to the stopper portion 3 b
And are parallel to each other. During reproduction of the disc 1, the disc guide 5 is slightly rotated against the spring 7 to allow the disc 1 to rotate freely.

[0003] Reference numeral 3a denotes a holding portion fixed to the transfer machine 3 for holding an end of the spring 7, and 3e denotes guide pins implanted in the transfer machine 3, and these guide pins 3e are positioned. A member 6 is mounted movably in a direction toward the disk housing 2. Reference numeral 2a denotes a guide recess. By fitting the positioning member 6 into the recess 2a, the transporter 3 is positioned with respect to the disc housing 2 so that a desired disc 1 is taken out (or returned). . Reference numeral 4 denotes a disk guide portion of the disk housing 2, reference numeral 10 denotes a plate spring, and reference numeral 11 denotes a holding plate.

In the disc changer constructed as described above, the positioning member 6 and the disc guide 5 are arranged on the center line of the thickness of the disc 1 taken into the carrier 3, so that the carrier 3 In order to reduce the size of the disk guide 5, it is necessary to reduce the size of the disk guide 5. For this reason, in order to provide the disk guide 5 with a predetermined strength, it is necessary to use an expensive material. Further, in order to accurately arrange the positioning member 6 and the disk guide 5 on the center line of the thickness of the disk 1 taken into the transporting machine 3, the positioning member 6 and the guide recess 2 of the disk housing 2 are required. It was necessary to always manage the positional relationship, the positional relationship between the positioning member 6 and the transporter 3, and the positional relationship between the guide groove 5a of the disk guide 5 and the transporter 3.

In order to move the transfer machine 3 in the width direction of the disk 1, a gap must be maintained between the disk storage 2 and the disk guide 5, and the transfer from the disk storage 2 to the transfer When the disk 1 is taken in or when the disk 1 is returned from the transporter 3 to the disk housing 2, a discontinuous portion is formed between the disk guide 5 and the disk housing 2, and the edge of the disk 1 is caught. In some cases, the movement of the disk 1 may not be smooth.

[0006]

As described above, in this type of conventional disk changer, the size of the disk guide 5 must be reduced in order to reduce the outer shape of the transporter 3. Therefore, in order to provide the disk guide 5 with a predetermined strength, it is necessary to use an expensive material. The positioning member 6 and the disc guide 5
There are many position management items for accurately arranging the disk 1 on the center line of the thickness of the disk 1 loaded into the transporter 3, and moreover, such as loading the disk 1 from the disk storage 2 into the transporter 3. There was a problem that the movement of No. 1 might not be smooth. The present invention has been made in view of the above,
It is an object of the present invention to provide a disc changer that does not require expensive materials, easily manages a positional relationship, and can move a disc smoothly.

[0007]

SUMMARY OF THE INVENTION In order to solve the above problems and achieve the above object, a disk changer according to the present invention comprises: a disk storage body in which a plurality of disks are stored in parallel with each other; A disc changer comprising: a transporter that moves in the thickness direction of the plurality of discs stored in the disc housing, takes in a desired disc from the disc housing, and returns the disc to its original position after playing the disc. The carrier has a guide groove for guiding the disc by partially fitting the disc in the vicinity of the outer peripheral edge when the disc is taken in from the disc storage body and when the disc is returned. In a device provided with a guide, the disc guide is attached to the carrier so as to be movable in a direction toward the disc housing, The disc guide and the disc storage body are provided with fitting portions formed of concave and convex that can be fitted to each other, and the fitting portions are fitted to each other so that the transfer device is positioned with respect to the disc storage body. It is characterized by having made it.

The transporter is provided with two disk guides. These disk guides are provided near the outer peripheral edge of the disk when the disk is taken in from the disk housing and when the disk is returned. A part of which is loosely fitted and has a guide groove for guiding the disk, and can be moved to a position parallel to each other on the outer periphery of the taken-in disk and a position sufficiently separated from the disk. Is also good.

[0009]

In the disk changer of the present invention configured as described above, a disk guide is attached to the transporter so as to be movable in a direction toward the disk storage, and the disk guide and the disk storage are fitted to each other. Since the fitting portion having the concave and convex that can be fitted is provided, the carrier is positioned with respect to the disk storage body by fitting the fitting portions with each other.

[0010] Therefore, unlike the prior art, an independent positioning member is not required, so that even if the disk guide is relatively large, the outer shape of the transporter can be reduced to a small size. It is not necessary to use an expensive material in order to have the strength. Further, unlike the related art, since an independent positioning member is not required, as described above, the positional relationship between the positioning member and the guide concave portion of the disk housing, the positional relationship between the positioning member and the transporter, the groove of the disk guide and the like. There is no need to constantly manage the positional relationship with the transporter. Further, since the disc guide and the transporter are provided with fitting portions formed of concave and convex fittable with each other, the fitting portions are fitted with each other, so that the disc is transferred from the disc storage body to the transporter. When taking in or returning the disk from the transporter to the disk housing, there is no discontinuous portion between the disk guide 5 and the disk housing, and the movement of the disk becomes smooth.

[0011]

1 to 5 show an embodiment of the present invention.
Will be described. In these drawings, unless otherwise specified, the same reference numerals as those in FIGS. 6 to 9 used in the description of the conventional example indicate the same components in principle. 1 to 5, reference numeral 5 denotes a disk guide, which has a guide groove 5 a, and has a front end on the center line of the thickness of the disk 1 taken into the carrier 3, Same or
The protrusion 5b is provided at a position with a slight gap. The center in the width direction of the guide groove 5a and the center in the width direction of the protrusion 5b are on the center line of the thickness of the disk 1. Reference numerals 5c and 5f are guide pins, which are movably attached to the guide grooves 3c and 3f of the transporter 3, respectively. Reference numeral 3b denotes the stopper, which regulates the movement of the disk guide 5 together with the guide grooves 3c and 3f. Reference numeral 7 denotes the above-mentioned spring, and the disk guide 5
The disk guides 5 are always kept parallel to each other at the outer peripheral edge position of the disk 1 and the springs 3a are attached to the transporter 3 in a direction (oblique direction) in which the desk guides 5 are separated from the disk storage body 2. Attached through.

The disc housing 2 is provided with guide portions 4 on both sides of the disc 1. Further, a plate-like spring 10 is attached to the disk housing 2 via a holding plate 11,
The disc 1 is configured to be held at a predetermined position of the disc housing 2. On the side of the transporter 3 of the disk storage body 2, the disk storage body 2 was further dropped from the outer peripheral edge of the disk 1.
A guide recess 2b having a width B is provided. The recess 2b is provided at a position where the center of the width B coincides with the center of the disk 1 in the thickness direction, and the width B is the same as or slightly larger than the width b of the protrusion 5b. It is configured to be smaller.

When the transporter 3 is to be moved to a desired position of the disk 1 in the disk storage 2, as shown in FIG. 1, it is necessary to wait at a position where the projection 5 b of the disk guide 5 is separated from the disk storage 2. I have. The position of the transporter 3 with respect to the desired position of the disk 1 is determined, and when the disk 1 is taken in or taken out, the disk guide 5 is moved toward the disk storage body 2 along the guide grooves 3c and 3f as shown in FIG. It is pushed out against 7. Since a well-known drive system can be used for the extrusion, the description thereof is omitted. Thus, the protrusion 5b at the tip of the disc guide 5
Is guided by the guide recess 2 b of the disk housing 2, so that the center line of the thickness of the disk 1 matches the center line of the width of the guide groove 5 a of the disk guide 5. And
The disk guide 5 is completely connected to the guide portion 4 of the disk housing 2. In this state, as shown in FIG. 2, the loading of the disk 1 into or out of the transporter 3 becomes smooth. A well-known drive system for taking in the disk 1 and the like can be used, and thus the description is omitted.

At the time of reproduction of the disc 1 taken into the carrier 3, the state shown in FIG. 3 is obtained. In the state shown in FIG. 3, the disc guide 5 is moved by the driving system in a direction substantially opposite to the tension direction of the spring 7 as compared with the state shown in FIG. 2, and the guide pin 5f comes into contact with the end of the guide groove 3f. Therefore, it cannot move further to the disk storage 2 side. The disc guide 5 has the guide pin 5f as the center of rotation and the guide pin 5c is
The disk guide 5 rotates in a direction in which the disk guide 5 is pushed and spread in the outer diameter direction of the disk 1 along the line c, and the disk guide 5 stops at a position sufficiently separated from the outer diameter of the disk 1.

When the disk 1 is returned to the disk housing 2, the operation is the reverse of the above-described series of operations, and the force by the drive system on the disk guide 5 is released. 7 to return to the state of FIG.

In the disk changer configured as described above, the loading of the disk 1 from the disk housing 2 to the transporter 3 and the movement of the disk 1 when returning from the transporter 3 are smooth, and the number of parts is small. In addition, the position of the groove 5a of the disk guide 5 and the center line of the thickness of the disk 1 stored in the disk housing 2 can be easily managed.

In the above embodiment, the disk guide 5 is provided with the convex portion 5b and the disk housing 2 is provided with the guide concave portion 2b. However, even if these concave and convex relations are reversed, substantially the same effect can be obtained. In the above embodiment, the guide pins 5c and 5f are provided on the disk guide 5 and the guide grooves 3c and 3f are provided on the carrier 3. However, the guide grooves 5c and 3f are reversed. Similar effects can be obtained by providing guide pins. In this case, the direction of the guide groove corresponding to the guide groove 3c needs to be opposite to that of the guide groove 3c.

[0018]

As described above, in the disk changer according to the present invention, the disk 1 can be smoothly moved when the disk 1 is loaded from the disk housing 2 into the transporter 3 or when the disk 1 is returned from the transporter 3. Also, the number of parts can be reduced as compared with the conventional one, and the position management between the guide groove portion 5a of the disk guide 5 and the center line of the thickness of the disk 1 stored in the disk storage body 2 can be easily performed. The effect is obtained.

[Brief description of the drawings]

FIG. 1 is a schematic sectional view showing an embodiment of the present invention.

FIG. 2 is a schematic sectional view of an embodiment of the present invention showing a state different from FIG.

FIG. 3 is a schematic sectional view of an embodiment of the present invention, showing a state different from FIGS. 1 and 2;

FIG. 4 is a schematic perspective view showing one embodiment of the present invention.

FIG. 5 is an enlarged schematic sectional view of a main part showing one embodiment of the present invention.

FIG. 6 is a schematic sectional view showing a conventional example.

FIG. 7 is a schematic sectional view of a conventional example showing a state different from FIG.

8 is a schematic cross-sectional view of a conventional example showing a state different from FIGS. 6 and 7. FIG.

FIG. 9 is a schematic perspective view of a main part showing a conventional example.

[Explanation of symbols]

 1 disk 2 disk housing 2a guide recess 2b guide recess 3 transporter 3a holding portion 3b stopper portion 3c, 3f guide groove portion 3d rotating shaft 3e guide pin 4 disk guide portion 5 disk guide 5a guide groove 5b convex portion 5c, 5f guide Pin 6 Positioning member 7 Spring 10 Plate spring 11 Holding plate

Claims (2)

(57) [Claims] 1. A disk accommodating body in which a plurality of disks are accommodated so as to be parallel to each other, and a desired disk which is moved in a thickness direction of the plurality of disks accommodated in the disk accommodating member and is desired from the disk accommodating body. And a transporter for returning the disc to its original position after playing the disc, wherein the transporter has a function of loading the disc from the disc housing and returning the disc to the disc. A disk guide having a guide groove for guiding the disk by loosely fitting a part near the outer peripheral edge of the disk guide, wherein the disk guide is attached to the carrier so as to be movable in a direction toward the disk housing. The disc guide and the disc storage body are provided with a fitting portion formed of concave and convex fittable with each other, By fitting together, the disc changer being characterized in that as the positioning of the conveyor with respect to the disk container is made. 2. A disk accommodating body in which a plurality of disks are accommodated so as to be parallel to each other, and a desired disk which is moved in a thickness direction of the plurality of disks accommodated in the disk accommodating member and is more than a desired disk from the disk accommodating body A disc changer provided with a transporter that takes in a disc and returns the disc to its original position after playing the disc. A part near the outer peripheral edge portion has a guide groove for loosely fitting and guiding the disk, and can be moved to a position parallel to each other on the outer periphery of the taken-in disk and a position sufficiently distant from the disk. In the apparatus provided with two disk guides, the disk guide is movably attached to the transporter in a direction toward the disk storage body. The disc guide and the disc storage body are provided with a fitting portion formed of recesses and protrusions that can be fitted to each other, and the fitting portions are fitted to each other to position the transporter with respect to the disc storage body. A disc changer characterized in that a disc change is performed.