JP3048566B2 - Disk storage magazine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disk changer for accommodating a plurality of disks such as CDs, and more particularly to a disk changer in which a plurality of trays on which disks are placed are provided in a case so as to be freely pulled out. Related to a disk storage magazine.

[0002]

2. Description of the Related Art FIG. 6 is a perspective view showing a general structure of a disk storage magazine used for a disk changer, and FIG. 7 is a sectional view showing a state in which a tray and a disk are pulled out of a magazine case. The disc storage magazine 1 shown in FIG. 6 is housed in a case 3 in a state where a plurality of trays 2 such as six or eight are stacked and can be pulled out freely.
Is placed. When the disk storage magazine 1 is loaded into the apparatus body of the disk changer, the case 3
Of the trays 2 is selected, and the tray 2 is pulled out of the case 3 via the hooks 2d by a pull-out mechanism (not shown). As shown in FIG. 7, the disk D on the tray 2 pulled out is clamped on the turntable 4 of the reproducing unit. At this time, the disk D is slightly lifted from the tray 2. Then, the turntable 4 and the disk D are rotationally driven by the spindle motor 5, and the recorded music or the like of the disk D is reproduced by the optical pickup 6.

[0003]

However, in the conventional disk storage magazine 1, only the tray 2 is held in the case 3, and the disk D is simply placed on the tray 2. Therefore, there is a problem that rattling noise (rattling noise) is easily generated between the disk D and the tray 2 when external vibration or the like occurs.

[0004] When the case 3 is tilted, the disc D drops from the mounting portion on the tray 2 and is placed in the case 3 in an abnormal state. If such a phenomenon occurs, the draw-out operation of the tray 2 is also hindered.

An object of the present invention is to solve the above-mentioned conventional problems, and an object of the present invention is to provide a disk storage magazine which can prevent a disk on a tray from moving when a disk is stored in a case. .

[0006]

SUMMARY OF THE INVENTION The present invention relates to a disk storage magazine in which a plurality of trays on which disks are mounted are stored in a case so as to be able to be linearly pulled out of the case. Urging means for urging the tray housed in the case by urging it in the back direction, and providing the tray when the tray is urged to the rear side of the case by the urging means. A disc pressing member that strikes the disc on the tray and applies a force in a direction opposite to the tray housing direction to the disc, and receives the disc that has received the force from the disc pressing member on the tray to move the disc on the tray. And a regulating section for regulating the tray, and sandwiching the center line of the tray extending in the storage direction,
The urging means is on one side and the disc pressing member is on the other side.
Is located on the side of .

For example, a recess is formed at the front edge of the tray in the storage direction to extend to a disk mounting area on the tray. When the tray is held in a case, the disk pressing member is moved. It enters the recess and hits the disk on the disk installation area.

Further, it is preferable that a mounting groove in which a disk is installed is formed on the tray, and a front end of the mounting groove serves as the restricting portion.

[0009]

According to the present invention, when the tray is inserted into the case,
The tray is urged toward the back of the case by the urging member and held. When the tray receives the urging force, the disk hits the disk pressing member in the case, and the disk is pushed on the tray in a direction opposite to the storage direction. That is, the disk is urged on the tray by the reaction force of the urging force of the urging member, and the disk is elastically pressed against the regulating portion and held. Therefore, rattling of the disc on the tray in the state of being stored in the case is prevented. In addition, the disc on the tray is pressed by the regulating portion of the tray due to the reaction force of the urging force for urging the tray, so that the disc regulating force on the tray becomes appropriate.

[0010]

FIG. 1 is a plan sectional view showing an embodiment of a disk storage magazine according to the present invention, FIG. 2 is a plan view showing details of a tray shown in FIG. 1, and FIG. 3 shows an elastic holding member and a pinched portion. FIG. 4 is an enlarged perspective view showing details of the elastic holding member, and FIG. 5 is a partial sectional view taken along line VV of FIG.

A disk storage magazine 10A shown in FIG.
Is stored in a case 11 in a state where a plurality of trays T are stacked, and a disc D is placed on each of the trays T. The case 11 has a box shape having an opening 11a on the right side in FIG. 1, and an elastic holding member 12 is attached to a facing inner side surface 11b on the back side facing the opening 11a.

The elastic holding member 12, as shown in FIG.
The plane shape is integrally formed in a substantially C shape by a metal leaf spring. In the elastic holding member 12, the C-shaped arms are biasing members 12a, 12a opposed to each other with an interval in the direction of the disk surface. , 12a is case 11
The same number of sets are provided at the same pitch as the arrangement interval of the trays T stored in the inside. The distal ends of the urging members 12a, 12a are pressing portions 12b, 12b bent outward.

As shown in FIG. 1 or FIG. 2, each tray T has on its upper surface a circular mounting groove 14a having an inner diameter slightly larger than the diameter of the disk D. A recess 14d is formed at the front edge of each of the plurality of trays T in the insertion direction. The recess 14d extends to the inside of the disk mounting groove 14a. Also case 11
Is provided with a columnar disk pressing member 25 rising from the bottom surface.

At the front end of the tray T in the pulling-out direction, a remaining portion having a lower groove 14b formed on the lower surface side is a connecting portion 15 which does not penetrate vertically. A hook-shaped pull-out portion 17 for pulling out the tray T is formed at a position above the right end of FIG. 2 of the connecting portion 15 so as to protrude therefrom. , A pull-out force F0 (see FIG. 2) is applied to each tray T.

The insertion side end of each tray T (left end in FIG. 2)
In the upper part of the figure, the direction in which the tray T enters and exits (A direction)
A holding portion 16 protruding along is formed. In the planar shape of the held portion 16, as shown in FIG. 3, first inclined surfaces 16c, 16c are formed on both sides of the front end. On the both sides in the vertical direction of FIG. 3 of the sandwiched portion 16, second inclined surfaces 16d, 16d serving as elastic pressure portions are formed.
The boundaries between the first inclined surfaces 16c, 16c and the second inclined surfaces 16d, 16d following the first inclined surfaces 16c, 16c are wide portions 16e, 16e traveling to both sides. The second inclined surface 16
The angle formed by each of d and 16d with a line orthogonal to the direction A (see FIG. 1) is indicated by θ.

When the tray T is inserted into the case 11,
The clamped portion 16 is elastically held by the pressurizing portions 12b of the elastic holding member 12. In particular, the pressing portion 12b,
12b, the second inclined surfaces 16d and 16d of the held portion 16 are formed.
When d is clamped, the elastic force of the pressurizing portions 12b, 12b
The pulling force F3 for pulling the tray T into the case 11 is generated by the inclination angle θ of the second inclined surfaces 16d, 16d. Assuming that an elastic force applied by the one pressurizing portion 12b to the second inclined surface 16d in the vertical direction is F, a force F3 for pulling the tray T into the case 11 is as shown in Formula 1.

[0017]

(Equation 1)

Each of the plurality of trays T is inserted into the case 11, and the pressing portions 12b, 1
The disk pressing member 25 enters the recessed portion 14d of the tray T at the point when 2b reaches the second inclined surfaces 16d, 16d of the held portion 16. Then, the leading edge of the disk D in the insertion direction contacts the disk pressing member 25.

The tray T is provided with the pressing portion 1 of the elastic holding member 12.
The disk D is drawn into the case 11 by the force of F3 due to the elastic clamping force of 2b and 12b, and the disk D is moved with respect to the tray T by the reaction force f3 of the elastic drawing force F3 as shown in FIG. Pressurized in the opposite direction.
Due to the reaction force f3, the right edge of the disk D in FIG. 5 is pressed against the left end surface of the connecting portion 15 of the tray T (the inner peripheral surface (restriction portion) 15a of the mounting groove 14a). Therefore,
At the time when the trays T are pulled into the case 11, the disks D on all the trays T are placed on the inner peripheral surface (regulator) 15
a, so that the disk D does not move in the mounting groove 14a of the tray T. Therefore, the rattling of the disk D can be prevented.
No rattling noise (rattling noise) is generated from the inside. Further, since the disk D is held on the tray T, the disk D can be held on the tray T even when the case 11 is tilted.
It can be prevented from dropping from the upper regular position.

1 and 5, the disc pressing member 2
Reference numeral 5 denotes a cylindrical rigid body.
5 may apply elastic pressure to the respective discs D on the tray T in the f3 direction. Also, contrary to the above embodiment, the elastic holding member 12 made of a leaf spring may be provided on the end face of the tray T, and the sandwiched portion 16 may be formed to project from the inner surface of the case 11.

[0021]

As described above, according to the present invention, the disc on the tray is pressed against the regulating portion on the tray by using the urging force of the tray being pulled into the case, so that the disc may rattle on the tray. Absent. Also, the disc can be prevented from falling off from the tray. Further, since the disc is regulated on the tray by utilizing the urging force when the tray is pulled into the case, a complicated mechanism for holding the disc on the tray does not need to be provided.

[Brief description of the drawings]

FIG. 1 is a plan sectional view showing one embodiment of a disk storage magazine according to the present invention;

2 is a plan view showing details of a tray shown in FIG. 1,

FIG. 3 is an enlarged plan view showing an elastic holding member and a held portion;

FIG. 4 is an enlarged perspective view showing details of an elastic holding member;

FIG. 4 is a partial cross-sectional view taken along line VV of FIG. 1;

FIG. 6 is a perspective view showing a general structure of a disk storage magazine used for a disk changer.

FIG. 7 is a cross-sectional view showing a state where a tray and a disk are pulled out from the inside of a magazine case;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Case 12 Elastic holding member 12a Biasing member 12b Pressing part 14a Mounting groove 14d Concave part 15a Inner peripheral surface (restriction part) of mounting groove 16 Clamped part 16c First inclined surface 16d Second inclined surface 17 Pull out Part 25 Disc pressing member T Tray D Disc

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) G11B 23/023 601 G11B 17/26

Claims (3)

(57) [Claims] 1. A disk storage magazine in which a plurality of trays on which disks are placed are linearly drawn out in a case, wherein the tray inserted into the case is urged toward the back of the case. Urging means for holding the tray accommodated in the case, and provided in the case, when the tray is urged to the back of the case by the urging means, hits a disc on the tray and hits the disc. A disc pressing member that applies a force in the direction opposite to the tray housing direction; and a restricting portion that receives the disc that has received the force from the disc pressing member on the tray and restricts the movement of the disc on the tray. With the center line of the tray extending in the storage direction
The urging means is on one side and the disc pressing member is on the other side.
A disk storage magazine, characterized by being located at: 2. A recess extending to a disc mounting area on the tray is formed at a front edge of the tray in a storage direction, and the disc pressing member is moved in a state where the tray is held in a case. 2. The disk storage magazine according to claim 1, wherein the disk storage magazine enters the recess and hits a disk on the disk installation area. 3. The disk storage magazine according to claim 1, wherein a mounting groove for mounting a disk is formed on the tray, and a front end of the mounting groove serves as the restricting portion.