JPH10302425A - Disk housing magazine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a disk housing magazine capable of surely housing a tray inside a main body of the case even in such a case as the disk placed on the tray is warped or arranged in the inclined state. SOLUTION: A guide projecting part 11 provided with an inclined surface 11a is integrally formed on the lower surface of the tray T, and when the tray T is inserted completely into the magazine M, the projecting part 11 is positioned on this side than position of a rib 5. So, even though the disk D placed on the tray T below the projecting part 11 has the warp, etc., thereby the end part D1 of the disk D is being lifted from the tray T, this end part D1 is guided to the lower side of the rib 5 by the projecting part 11 for guiding, then the tray T is surely housed inside the magazine M.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disk storage magazine for storing a disk such as a CD, for example, loaded in a disk changer. Disc storage magazine.

[0002]

2. Description of the Related Art FIG. 6 is a partially enlarged sectional view for explaining a problem of a conventional disk storage magazine. The case main body of the disk storage magazine M shown in FIG. 6 is made of a synthetic resin, and a plurality of trays T are stored therein.
A plurality of ribs M are provided on the inner surface of the wall M1 on the back side of the case body.
1a are integrally formed, and a groove M1 is formed between the ribs M1a.
b is formed. A step M2a is formed on the inner surface of the wall M2 of the ceiling portion, and a groove M1b is similarly formed between the step M2a and the rib M1a thereunder. On the upper surface of the tray T, a circular support recess T1 having a size substantially matching the diameter of the disc D is formed, and the disc D is placed in the support recess T1.

[0006] The case body of the disk storage magazine M has an opening at the right side in FIG. 6, and a distal end portion T 2 of the tray T inserted through the opening is supported in the groove M 1 b. In the disk device in which the disk storage magazine M is loaded, the tray T of the disk storage magazine M is used.
And a selection drawer mechanism for selecting and pulling out rightward in the figure. When the tray T is pulled out by the selective pull-out mechanism, the disk D on the tray T is placed on a turntable of a disk drive unit, clamped, and driven to rotate.

[0004]

However, in this disk storage magazine M, a disk D mounted thereon is warped as shown in a tray T shown as a third stage from the top in FIG. When the tray T is stored in the case main body when the disc D is installed in an inclined posture, the tip D1 of the disc D hits the rib M1a, and the tray T is no longer inserted. There is a risk. As a result, the tray T
Remains protruding from the case body, hindering the subsequent operation of the disk selection and pull-out mechanism, and causing a failure of the disk device.

The present invention has been made to solve the above-mentioned conventional problems, and even if a disc mounted on the tray is warped or the disc is installed at an angle, the tray is kept in a case. It is an object of the present invention to provide a disk storage magazine that can be securely stored in a main body.

[0006]

SUMMARY OF THE INVENTION The present invention provides a case body having an opening, a plurality of ribs protruding from an inner wall of the case body, a groove divided by the rib, and a case body extending from the opening. A tray for disc loading, which is provided so as to be able to be taken in and out freely and is supported by the groove in the case body, a guide projection is provided on the lower surface of the tray,
When the tray is stored in the case body, at least a part of the guide protrusion is located closer to the opening than the rib, and the disc on the tray inserted below the tray is the guide protrusion. Thus, it is possible to guide the inside of the groove portion.

According to the present invention, when the disc on the tray is warped or when the disc is installed at an angle, when the tray is inserted into the case body,
The end of the disc lifted from the top of the tray
The disk is guided into the groove without being hit by the ribs by being guided by the guide projections formed on the tray thereon. Therefore, the tray is securely stored in the case body.

In the above, the rib and the groove are provided on a rear wall portion facing the opening of the case main body, and the guide convex portion is provided on a lower tray. It is preferable that it is formed in a position where it does not intervene in the center hole or in a width dimension that does not intervene in the center hole.

That is, the guide projection is formed at a position deviated from the center hole of the disc mounted on the tray below the guide projection. Alternatively, when the guide projection is formed at the center in the width direction of the disc on the tray, the width dimension of the guide projection is formed to be larger than the diameter of the center hole of the disc. . This way,
When the tray moves inside the case body, the guide projections
It does not fit into the center hole of the disc on the tray located thereunder, so that the tray does not get caught in the case body.

When a step M2a as shown in FIG. 6 is formed in the wall of the ceiling of the case body of the disk storage magazine, a guide projection having an inclined surface is provided on the opening side of the step. This prevents the end of the disk on the uppermost tray from being caught on the step M2a.

Further, according to the present invention, on both side walls of the case body,
The present invention can also be applied to a case where ribs for guiding the tray while supporting both sides of the tray are formed. In this case, the guide projection formed on the lower surface of the tray is formed in such a shape that the disk lifted from the tray below it can be guided into the groove between the ribs.

[0012] The disk storage magazine of the present invention comprises:
The tray is not limited to the one in which the tray slides linearly from the inside of the case body and moves in and out, and the one in which the tray rotates around an axis provided at a predetermined position, and as a result, the tray moves in and out of the case body. included.

[0013]

FIG. 1 is a perspective view showing a disk storage magazine M of the present invention, FIG. 2 is a plan sectional view of the disk storage magazine M showing a state in which a tray is stored, and FIG. FIG. 4 is an enlarged cross-sectional view taken along the line III, and FIG. 4 is a side view of the disk device showing a state where the disk on the tray pulled out from the disk storage magazine M is clamped by the disk drive unit.

The disk storage magazine M shown in FIGS. 1 to 3 comprises a case body 1 made of a synthetic resin and a plurality of trays T provided so as to be able to be taken in and out of the case body 1. The case body 1 includes a ceiling wall 1a, a bottom wall 1b, both side walls 1c, 1c, and a rear wall 1d.
And an opening 2 at a portion facing the rear side wall 1d.
Are formed. A plurality of ribs 3 are integrally formed on the inner surfaces of the side walls 1c, 1c. Between the ribs 3, sliding grooves 4 for guiding and supporting both sides Ta of the tray T are formed. I have.

As shown in FIGS. 2 and 3, a plurality of ribs 5 are integrally formed on the inner surface of the inner side wall 1d of the case body 1, and a support groove 6 is formed between the ribs 5. I have. A raised portion 1e is integrally formed on the lower surface on the back side of the ceiling wall portion 1a, and a support groove portion 6 is also formed between the raised portion 1e and a rib 5 located therebelow. A plurality of sliding grooves 4 formed between the ribs 3;
The plurality of support grooves 6 formed between them are formed at the same height position in the case main body 1.

As shown in FIG. 2, a leaf spring 7 is provided inside the inner side wall 1d of the case body 1. The leaf spring 7 is formed of a single leaf spring material, and has curved elastic pieces 7a, 7a integrally formed on both sides thereof. The elastic pieces 7a, 7a are separately formed in a plurality in the height direction of the case.
a is formed at the same height position as the plurality of support grooves 6. That is, the respective elastic pieces 7a, 7a are provided by the number corresponding to the respective trays T inserted into the case body 1, and the respective trays T are held by the separate elastic pieces 7a, 7a.

The tray T is made of a synthetic resin, and the both sides Ta and Ta are formed on both side walls 1 of the case body 1.
The sliding grooves 4, 4 formed in c, 1c are slid. Further, a support portion Tb is formed at the tip of the tray T on the insertion side, and in a state where each tray T is stored in the case main body 1, as shown in FIG. 1 is inserted through a very small gap into the support groove 6 formed in the inner side wall 1d. Since a certain gap is formed vertically between the sliding groove 4 and the side Ta of the tray T, the tray T sliding in the sliding groove 4
Has slight rattling above and below. However, in a state where the tray T is completely inserted into the case main body 1 and the support portion Tb of the tray T is inserted into the support groove portion 6, the rattling of the tray T in the case main body 1 can be prevented. It has become. Further, a holding portion Tc is integrally formed at the leading end of the tray T on the insertion side, and as shown in FIG.
With the tray T fully inserted into the case body 1,
The holding portion Tc is elastically held by the elastic pieces 7a, 7a of the leaf spring 7, so that the tray T can be prevented from falling out of the case body 1.

The upper surface of each tray T has a circular support recess Td.
Are formed. The supporting recess Td is formed to have an inner diameter slightly larger than the diameter of a disc D such as a CD (compact disc) or a DVD (digital versatile disc). It is placed in the support recess Td above. A hole Te having an arcuate edge for exposing the center hole Da of the disk D to the lower surface and a fan-shaped notch Tf continuous with the hole Te are formed at the center of the support recess Td. . Further, a hook Tg is formed integrally with the tip of the tray T on the drawing side. On the lower surface of each tray T, a guide projection 11 is integrally formed on the insertion tip side. As shown in FIG. 3, when the tray T is completely inserted into the case main body 1, the guide projection 11
The opening 5 is closer to the opening 2 than the rib 5 located below
Project downward from the vertical end surface 5a of the. The portion of the guide projection 11 on the opening 2 side is an inclined surface 11a.

As shown in FIG. 2, the guide projection 11 is
The guide protrusion 1 is formed at the center in the width direction of the tray T.
1 and the center hole D of the disc D to be mounted.
The center of a is located on the same line. However, the width W of the portion where the guide projection 11 is formed is larger than the diameter Dd of the center hole Da of the disk D installed on the tray T. Further, as shown in FIG. 3, on the inner surface of the ceiling wall 1a of the case body 1, an inclined surface 1f is formed on the opening 2 side of the raised portion 1e, and the portion where the inclined surface 1f is formed is formed. Disk D on top tray T
Function substantially as a guide projection.

As shown in FIG. 4, in the disk changer type disk device in which the disk storage magazine M is loaded, one of the trays T in the disk storage magazine M is selected, and the selected tray T A disk selecting and pulling-out mechanism for pulling out the hook Tg in the direction of the disk drive unit 20 is provided. The disk drive unit 20 is mounted on a unit chassis that can move up and down according to the position of the selected tray T in the magazine M. The disk drive unit 20 includes a spindle motor 21, a turntable 22 that is rotationally driven by an output shaft of the spindle motor 21, a clamper 23 that clamps a center hole Da of the disk D on the turntable 22, and a tray T. Notch T formed in
optical head 24 facing the recording surface of disk D
Is provided.

In the disk drive in which the disk storage magazine M of the present invention is loaded, when one of the trays T is selected, the disk drive unit 20 selects the selected tray T
To the height position of. Then, the selected tray T is pulled out onto the disk drive unit 20. At this time, the drawer dimension of the selected tray T is such that the hole Te of the tray T comes out of the case body 1 as shown in FIG.
In this state, a part of the disk D on the tray T remains in the case body 1. With the tray T pulled out, the center hole Da of the disk D is clamped on the turntable 22, and the disk D is rotated and driven by the power of the spindle motor 21 with the disk D slightly lifted from the support recess Td of the tray T. You. At this time, a part of the disk D located in the case main body 1 rotates in the gap between the support concave portion Td of the tray T and the tray T thereon. Then, the optical head 24 faces the recording surface of the disk D from the notch Tf of the tray T, and the signal recorded on the disk D is read.

After the reading of the signal is completed, the turntable 22 is lowered, the disc D clamped thereon is returned to the support recess Td, and the tray T is returned to the case body 1. At this time, both sides T of the tray T
a and Ta slide in the sliding groove 4 of the case body 1 and move inward. When the tray T is completely housed, as shown in FIG.
The support portion Tb at the end of the tray T is supported by the elastic pieces 7a, 7a of the
It is inserted into and supported.

In FIG. 3, the third tray T from the top
Indicates that the disk D is warped, or that the disk D
3 shows a case where the leading end D1 on the insertion side of FIG. This tray T is the case body 1
When the tip D1 is inserted into the inside, the tip D1 is guided by the inclined surface 11a of the guide convex portion 11 of the tray T stored thereon, and a downward correcting force acts on the tip D1, so that the tip D1 is Without hitting the vertical end face 5a of the rib 5, the rib 5
Is guided into the support groove 6 below. Therefore, even if the leading end D1 of the disk D is lifted from the tray T, the tray T is not caught and stopped halfway as shown in FIG. And the tray T is securely stored in the case body 1.

When the tip D1 of the disk D on the uppermost tray T is lifted, the disk D is straightened downward by the inclined surface 1f formed on the ceiling wall 1a of the case body 1, and the tray T Is securely guided and inserted into the support groove 6 formed between the raised portion 1e and the rib 5 below the raised portion 1b. Further, as shown in FIG. 2, the guide convex portion 11 is formed at the center of the tray T in the width direction.
The width dimension W of the guide projection 11 is the center hole D of the disc D.
As shown in FIG. 4, when the tray T is pulled out toward the disk drive unit 20, the guide projection 11 formed on the lower surface of the tray T is positioned below the diameter Dd. Of the disc D placed on the tray T of FIG. Therefore, the provision of the guide projection 11 prevents the tray T from being completely pulled out or the lower disk D from being pulled out together.

The width W of the guide projection 11 shown in FIG.
However, in the case where is smaller than the center hole Da of the disk D, the position where the guide convex portion 11 is formed may be shifted to either the left or right in FIG. That is, by forming the guide protrusion 11 at a position where it does not fit into the center hole Da of the disc, the guide protrusion 11 is similarly not caught by the center hole Da of the disc D.

FIGS. 5A and 5B show another embodiment of the disk storage magazine M of the present invention. FIG. 5 (A)
FIG. 5B is a side view showing the vicinity of the opening 2 of the case main body 1 of the disk storage magazine M, and FIG. 5B is a front view of the case main body 1 as viewed from the direction of the arrow B in FIG. . The relationship between the case body 1 and the tray T is the same as that shown in FIG.
Sliding groove 4 between ribs 3 formed on both side walls 1c, 1c
It is slidably guided inside.

However, in the disk device in which the disk storage magazine M shown in FIG. 5 is loaded, the disk D is rotated while the tray T is pulled out halfway from the case body 1 as shown in FIG. Instead, the tray T is pulled out from the case main body 1 by a considerably long dimension, and the entire disc on the tray T is clamped onto the turntable 22 with almost all of the disk being out of the case main body 1. In this case, if the side end of the disc placed on the tray T is greatly lifted upward from the upper surface of the tray T due to warpage or the like, when the tray T is returned into the case body 1, The end may hit the end of the rib 3 that divides the slide groove 4 on the opening 2 side, and the tray T may not be able to be returned further into the case body.

Therefore, in the embodiment shown in FIG. 5, the guide projections 12 are formed on the lower surface on both sides of the tray T. FIG. 5 (B)
As shown in (2), when the tray T is completely stored in the case main body 1, the guide convex portion 12 is located on the inner side of the case main body 1 than the rib 3. Also, as shown in FIG. 5A, the inclined surface 12a is provided on the portion of the guide convex portion 12 on the opening 2 side.
The inclined surface 12a is located closer to the opening 2 than the end of the rib 3 in a state where the tray T is completely housed in the case main body 1.
Extends below the end face of the rib 3 on the opening 2 side. Therefore, when the tray T is returned into the case main body 1 while the side end of the disk D is lifted from the upper surface of the tray, the side end of the disk D lifted up is
The rib 3 is guided to the lower side by the inclined surface 12a.
Therefore, the tray T is securely stored in the case body 1 without being caught.

[0029]

As described above, according to the present invention, even if the disc mounted on the tray is warped, the disc does not hit the rib in the case body, and the tray is securely inserted in the case body. Is stored. Further, since the guide projection is provided on the lower surface of the tray, it is not necessary to provide a mechanism for guiding in the case.

The guide projection is formed at a position or in a shape that does not catch on the center hole of the disc on the tray below the guide projection, so that when the tray is pulled out, the lower projection is formed by the guide projection. Are not dragged together.

[Brief description of the drawings]

FIG. 1 is a perspective view of a disk storage magazine of the present invention,

FIG. 2 is a cross-sectional plan view showing a disk storage magazine in which a tray is stored.

FIG. 3 is an enlarged sectional view taken along line III-III of FIG. 2;

FIG. 4 is a side view of the disk device showing a state where the tray is pulled out from the disk storage magazine and the disk is driven,

FIG. 5 shows another embodiment of the present invention,
(A) is a side view showing the vicinity of the opening of the disk storage magazine, (B) is a front view as viewed from the arrow B in (A),

FIG. 6 is an enlarged sectional view showing a conventional disk storage magazine;

[Explanation of symbols]

 M Magazine 1 Case main body 3 Rib 4 Sliding groove 5 Rib 6 Support groove T Tray Ta Side Tb Support 11, 12 Guide protrusion 20 Disk drive unit 22 Turntable

Claims (2)

[Claims] 1. A case body having an opening, a plurality of ribs protruding from an inner wall of the case body and a groove divided by the rib, and a case being provided so as to be able to be taken in and out of the case body through the opening. In a disk storage magazine having a disk mounting tray supported by the groove in the case main body, a guide projection is provided on the lower surface of the tray, and when the tray is stored in the case main body. At least a portion of the guide projection is located closer to the opening than the rib, and a disc on a tray inserted below the tray can be guided into the groove by the guide projection. A disk storage magazine. 2. The method according to claim 1, wherein the rib and the groove are provided on a rear wall facing the opening of the case body, and the guide protrusion is provided at a center of a disk placed on a lower tray. 2. The disk storage magazine according to claim 1, wherein the disk storage magazine is formed at a position where it does not intervene in the hole or a width dimension that does not intervene in the center hole.