JP3606414B2 - Disc cartridge storage case - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a disk cartridge storage case, and more specifically, a disk cartridge storage in which a lid body is slidably fitted to a storage case body so that the index sheet can be easily attached and detached by the opening and closing operation. Regarding the case.
[0002]
[Prior art]
A disk cartridge is a disk-shaped information recording medium such as a magnetic disk, an optical disk, or a magneto-optical disk, which has been built into the cartridge. However, in recent years, information can be recorded on a recording medium at a high density. Mini-disc cartridges (hereinafter referred to as MD cartridges) incorporating a 2.5-inch diameter mini-disc are widely used for recording and reproducing music.
By the way, the MD cartridge as shown in FIG. 11 is used to protect the entire cartridge from external impacts, and to prevent dust from entering the cartridge to facilitate storage and carrying. It is stored in the storage case 1.
[0003]
A conventional storage case 1 shown in FIG. 11 stores an MD cartridge 3 having a built-in magneto-optical disk 2 and is a casing containing a cartridge storage space 4 formed in a thin parallelepiped. An insertion port 5 for inserting the MD cartridge 3 into the cartridge storage space 4 is opened on one surface.
[0004]
In addition, arch-shaped spring members 7 and 7 are disposed on both side walls 6 and 6 of the storage case 1. Thus, when the MD cartridge 3 is inserted into the cartridge housing space 4 from the insertion port 5, the recesses 3a, 3a formed on both side walls of the MD cartridge 3 and the spring members 7, 7 are elastically engaged, The MD cartridge 3 is held so as not to accidentally come out of the storage case 1.
Further, at least the upper wall 8 of the storage case 1 is formed of a transparent resin (for example, polycarbonate, polystyrene, AS resin, etc.) so that the MD cartridge 3 can be directly observed.
[0005]
[Problems to be solved by the invention]
By the way, in order to place an index sheet describing the contents recorded on the MD cartridge 3 in the storage case 1, the index sheet must be inserted into the cartridge storage space 4 from the insertion port 5.
At this time, if the index sheet is made small so that the index sheet can be easily inserted into the cartridge storage space 4, the index sheet is easily dropped from the storage case 1. On the other hand, if the index sheet is made large so that the index sheet does not easily fall off and is press-fitted into the cartridge storage space 4, the index sheet insertability is lowered and the usability becomes poor. .
Therefore, conventionally, instead of the index sheet, an adhesive sticker describing the recorded contents is attached to the outer surface of the storage case 1.
However, there is a problem that the sticker attached to the outer surface of the storage case 1 is easily soiled or damaged, and the described contents cannot be read.
[0006]
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a disc cartridge storage case in which the index sheet can be easily stored in the storage case and the index sheet does not fall off. is there.
[0007]
[Means for Solving the Problems]
The object of the present invention is that a housing provided with a disk cartridge storage space and a disk cartridge insertion port communicating with the storage space comprises a storage case body and a lid body detachably provided on the storage case body. An engagement means for holding the storage case main body and the lid body in a closed state is provided between the storage case main body and the lid body. The means comprises a slide groove recessed in one of the lid and the storage case main body, and a projecting portion protruding in the other that can slide in the slide groove, and the lid is by attaching the storage case body is slid along the slide groove, the housing L-shaped cross section of the index sheet placed in the space is sandwiched fixed, the slide groove Can be achieved by a disk cartridge storage case, characterized in that comprising a part and a vertically extending portion extending parallel to the direction of inserting the disc cartridge.
[0008]
That is, according to the said structure, an index sheet | seat can be easily arrange | positioned in storage space by removing a cover body. Further, by attaching the lid, the index sheet can be clamped and fixed between the lid and the storage case main body, and the index sheet can be reliably prevented from falling off the storage case.
Further, the slide groove is composed of a portion extending in parallel with the direction in which the disc cartridge is inserted and a portion extending perpendicularly, so that the lid body is slid in a state of being floated from the bottom wall portion of the storage case body. The lid body and the index sheet do not rub against each other as the lid body slides. Therefore, it is possible to reliably prevent the cover body from rubbing against the index sheet and generating paper dust that is extremely harmful to the MD cartridge. Alternatively, the slide groove is composed of a portion extending in parallel to the direction in which the disc cartridge is inserted and a portion extending perpendicularly, so that the lid body is slid along the portion extending in parallel with the slide groove. The back cover part of the index sheet is clamped and fixed, and then slid along the vertically extending part to minimize the sliding amount of the cover body with respect to the storage case body. It is possible to prevent paper dust from being rubbed.
[0009]
The slide groove may be formed to be inclined with respect to the disc cartridge insertion direction.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of a disk cartridge storage case according to the present invention will be described in detail with reference to the accompanying drawings.
As shown in FIG. 1, the MD cartridge storage case 100 according to the first embodiment of the present invention includes a lid 10 and a storage case body 20 into which the lid 10 is slidably fitted. The MD cartridge 3 as shown in FIG. 11 and the index sheet 30 describing the contents of the information recorded on the MD cartridge 3 can be stored.
[0012]
The lid 10 is a transparent member injection-molded from a resin material, and is erected on an upper wall portion 11 that covers the upper portion of the storage case main body 20, and on both side ends and a rear end of the upper wall portion 11, respectively. A pair of left and right lid side wall portions 12 and 13 and a lid rear wall portion 14 are provided. And the part in which these cover side wall parts 12 and 13 and the lid rear wall part 14 are not provided forms the insertion port for inserting MD cartridge 3 in storage space.
[0013]
Further, on the outer surface of the pair of left and right lid side wall portions 12, 13, a ridge 15 having a rectangular cross-sectional shape constituting the engaging means is provided so as to extend in parallel with the upper wall portion 11. Has been. Further, an engagement recess 15 a is provided in the vicinity of the lid rear wall portion 14 of the protrusion 15.
Further, a pair of left and right elastic locking pieces 16 are formed in the vicinity of the lid rear wall portion 14 of the pair of left and right lid side wall portions 12 and 13, respectively, and the concave portion of the MD cartridge 3 housed in the cartridge housing space. The MD cartridge 3 is prevented from being accidentally pulled out by elastically engaging with 3a and 3a.
[0014]
The storage case body 20 is also a member that is injection-molded from a resin material, and has a rectangular bottom wall portion 21 and case side wall portions 22 and 23 that are erected on both side and rear ends of the bottom wall portion 21, respectively. And a case rear wall 24. And the part in which these case side wall parts 22 and 23 and the case rear wall part 24 are not provided forms the insertion port into which MD cartridge 3 is inserted.
The case side wall portions 22 and 23 and the case rear wall portion 24 are formed on the lid side wall portions 12 and 13 and the lid rear wall of the lid body 10 when the lid body 10 is attached to the storage case body 20. The part 14 is configured to be housed inside.
[0015]
In addition, a slide groove 25 that is slidably fitted to the protrusion 15 of the lid 10 is recessed in the inner surface of the pair of left and right case side wall portions 22 and 23 so as to extend along the bottom wall portion 21. ing. An engaging convex portion 25a that engages with the engaging concave portion 15a of the ridge 15 is protruded from a portion of the slide groove 25 on the side close to the case rear wall portion 25.
[0016]
A notch 11 b is formed on the front edge 11 a of the upper wall 11 of the lid 10, and a notch 21 b is formed on the front edge 21 a of the bottom wall 21 of the storage case body 20. Thereby, when the MD cartridge 3 is stored in the MD cartridge storage case 100, the rear end portion in the insertion direction of the MD cartridge 3 can be easily picked up by the finger and taken out from the MD cartridge storage case 100.
[0017]
On the other hand, the index sheet 30 stored in the MD cartridge storage case 100 of the first embodiment is formed by folding paper cut into a predetermined shape into an L-shaped cross section as shown in FIG. A main body portion 31 that can be in close contact with the inner wall surface of the bottom wall portion 21 of the case main body 20 and a back cover portion 32 that can be in close contact with the inner wall surface of the case rear wall portion 24 of the storage case main body 20 are provided.
[0018]
Next, how to use the MD cartridge storage case 100 of the first embodiment configured as described above will be described.
First, in order to close the storage case main body 20 with the lid 10, the index sheet 30 is stored inside the storage case main body 20, and then the protrusion 15 of the lid 10 is fitted into the slide groove 25 of the storage case main body 20. The lid 10 is slid toward the case rear wall 24 of the storage case body 20. Then, the engaging recess 15 a of the protrusion 15 and the engaging protrusion 25 a of the slide groove 25 are engaged with each other, and the lid 10 is held in a closed state with respect to the storage case main body 20.
[0019]
On the other hand, as shown in FIG. 2, the back cover portion 32 of the index sheet 30 is clamped and fixed by the lid rear wall portion 14 and the case rear wall portion 24. Thereby, it is possible to reliably prevent the index sheet 30 from falling out of the MD cartridge storage case 100.
Further, when the MD cartridge 3 is inserted into the MD cartridge storage case 100 of the first embodiment, the pair of left and right elastic locking pieces 16 and 16 of the lid 10 are elastically engaged with the recesses 3 a and 3 a of the MD cartridge 3. In combination, the MD cartridge 3 can be held in the storage space. At the same time, since the lid side wall portions 12 and 13 are prevented from elastically deforming inward by the MD cartridge 3, the engagement convex portion 25a and the engagement concave portion 15a are not disengaged.
Thereby, in a state where the MD cartridge 3 is stored in the MD cartridge storage case 100, the lid body 10 does not come off from the storage case body 20.
[0020]
On the other hand, when the index sheet 30 is taken out from the MD cartridge storage case 100 of the first embodiment, the MD cartridge 3 is first taken out, and the lid 10 is slid with respect to the storage case main body 20. The engagement between the joint recess 15a and the engagement projection 25a is released, and the lid 10 can be removed from the storage case main body 20. And in the state which removed the cover body 10, taking out of the index sheet 30 is very easy.
[0021]
That is, the MD cartridge storage case 100 according to the first embodiment includes the lid body 10 and the storage case body 20, and the lid body 10 is slidably fitted to the storage case body 20 to be detachable. Therefore, the index sheet 30 can be stored and taken out very easily.
When the lid 10 is attached to the storage case body 20, the index sheet 30 is sandwiched and fixed by the lid rear wall portion 14 of the lid body 10 and the case rear wall portion 24 of the storage case body 20. It is possible to reliably prevent the MD cartridge storage case 100 from falling out.
[0022]
In the MD cartridge storage case 100 of the first embodiment, the lid rear wall portion 14 of the lid body 10 is formed as a continuous wall portion between the lid side wall portions 12 and 13, but is shown in FIG. As described above, the spine cover portion 32 of the index sheet 30 can be clamped and fixed together with the case rear wall portion 24 even by cutting out the central portion of the lid rear wall portion 14 to form only both end portions 14a.
[0023]
FIG. 5 is an exploded perspective view of an MD cartridge storage case 200 according to the second embodiment of the present invention.
The MD cartridge storage case 200 of the second embodiment includes a storage case body 60 and a lid 50 that is detachably provided on the storage case body 60. The MD cartridge 3 and the MD cartridge 3 are recorded on the MD cartridge storage case 200. The index sheet 70 shown in FIG. 6 describing the contents of the information can be stored.
[0024]
The lid 50 includes an upper wall portion 51 that covers the upper portion of the storage case main body 60, a pair of left and right lid side wall portions 52, 53 that are erected on both side ends and a rear end of the upper wall portion 51, and a rear lid portion. Wall part 54.
On the other hand, the storage case main body 60 includes a bottom wall portion 61, case side wall portions 62 and 63 and a case rear wall portion 64 which are provided upright on both side ends and rear end of the bottom wall portion 61, respectively. . The case side wall portions 62 and 63 and the case rear wall portion 64 are formed so that the lid side wall portions 52 and 53 and the lid rear wall portion 54 of the lid body 50 are formed when the lid body 50 is attached to the storage case main body 60. It is configured to be housed inside.
[0025]
The pair of left and right lid side wall portions 52, 53 of the lid body 50 have cantilever-like flexible locking pieces 55, 55 that can be bent and deformed with respect to the lid side wall portions 52, 53 by slits, respectively. A pair is formed. An engaging protrusion 55 a having a semicircular cross section is provided at the free end of each flexible locking piece 55.
On the other hand, on the inner surface of the pair of left and right case side walls 62, 63 of the storage case main body 60, there is an engagement recess 65 that is detachably engaged with the engagement protrusion 55a of the flexible locking piece 55. The engaging means is configured to be recessed along the inner surface of the portion 61 and hold the storage case main body 60 and the lid body 50 in a closed state.
Further, the index sheet 70 does not have a spine portion, and the main body portion 71 is in close contact with the entire inner surface of the bottom wall portion 61.
[0026]
Therefore, in the MD cartridge storage case 200 of the second embodiment, the lid 50 is attached to the storage case body 60, and the engagement protrusion 55a of the flexible locking piece 55 is engaged with the engagement recess 65 of the storage case body 60. When engaged, the lid 50 is held in a closed state with respect to the storage case main body 60.
When the MD cartridge 3 is inserted into the MD cartridge storage case 200, the pair of left and right elastic locking pieces 56, 56 provided on the lid 50 are elastically engaged with the recesses 3a, 3a of the MD cartridge 3. The MD cartridge 3 is held in the storage space. At the same time, since the flexible locking piece 55 is prevented from being bent inward by the MD cartridge 3, the engagement protrusion 55a and the engagement recess 65 are not disengaged.
Thereby, the lid 50 does not come off the storage case main body 60 in a state where the MD cartridge 3 is stored in the MD cartridge storage case 200.
[0027]
On the other hand, in the index sheet 70, hatched portions in FIG. 6 are the lower side surfaces of the lid side wall portions 52 and 53 and the lid rear wall portion 44 of the lid body 50 and the bottom wall portion of the storage case main body 60. The upper surface of 61 is clamped and fixed.
That is, in the MD cartridge storage case 200 of the second embodiment, the pair of left and right side edges 71a and 71b and the rear edge 71c of the index sheet 70 can be sandwiched and fixed by the lid 50 and the storage case body 60. Therefore, it is possible to reliably prevent the index sheet 70 from dropping from the MD cartridge storage case 200.
[0028]
FIG. 7 is an exploded cross-sectional view of an MD cartridge storage case 300 according to the third embodiment of the present invention.
The MD cartridge storage case 300 of the third embodiment includes a storage case main body 90 and a lid 80 that is detachably provided on the storage case main body 90. In the MD cartridge storage case 100 of the first embodiment described above, the slide groove 25 as the engaging means extends only in the direction parallel to the bottom wall portion 21, but the MD cartridge storage case 300 of the third embodiment. The slide groove includes both a portion extending in parallel to the bottom wall portion and a portion extending vertically.
[0029]
That is, a pair of front and rear projections 82 and 83 project from the lower portion of the outer surface of the lid side wall 81 of the lid 80 along the sliding direction of the lid 80. Further, on the inner surface of the side wall 91 of the storage case main body 90, a horizontal slide groove 93 extending in parallel to the bottom wall portion 92 so that the convex portions 82 and 83 are slidably fitted, and the bottom wall portion 92 are formed. On the other hand, vertical slide grooves 94 and 95 extending vertically are recessed so as to communicate with each other, and constitute an inverted L-shaped slide groove in a side view.
[0030]
Thus, when the lid 80 is mounted on the storage case main body 90, first, the convex portion 83 on the front side of the lid 80 in the sliding direction is fitted into the horizontal slide groove 93. Next, when the lid 80 is slid by a predetermined amount with respect to the storage case main body 90, the convex portion 82 at the rear in the sliding direction can be fitted into the horizontal slide groove 93. Thereafter, when the lid 80 is further slid, the convex portion 83 abuts against the vertical wall surface in the vertical slide groove 95 and cannot be slid any more, so that the lid 80 is now attached to the storage case main body 90. Press down. Then, the lid 80 is held in a closed state with respect to the storage case main body 90 by an engagement protrusion and an engagement recess (not shown).
[0031]
That is, in the MD cartridge storage case 300 of the third embodiment, the lid 80 can be slid in a state where it is floated from the bottom wall portion 92 of the storage case main body 90. The lower end surfaces of the side wall portion 81 and the lid rear wall portion 84 and the index sheet do not rub against each other. Therefore, it is possible to reliably prevent the cover 80 from rubbing against the index sheet and generating paper dust that is extremely harmful to the MD cartridge 3.
[0032]
FIG. 8 is an exploded cross-sectional view of an MD cartridge storage case 400 according to the fourth embodiment of the present invention.
The MD cartridge storage case 400 of the fourth embodiment includes a storage case body 120 and a lid 110 that is detachably provided on the storage case body 120.
[0033]
A pair of front and rear projections 112, 113 project from the lower end portion of the outer surface of the lid side wall 111 of the lid 110 along the sliding direction of the lid 110.
Further, on the inner surface of the side wall 121 of the storage case main body 120, a pair of vertical slide grooves 123, 124 extending perpendicularly to the bottom wall portion 122 so that the convex portions 112, 113 are slidably fitted, and these vertical portions. Horizontal slide grooves 125 and 126 extending along the bottom wall 122 from the lower ends of the slide grooves 123 and 124, respectively, are recessed, and L-shaped slide grooves are formed in a side view.
[0034]
Accordingly, when the lid 110 is attached to the storage case main body 120, first, the pair of convex portions 112 and 113 of the lid 110 are simultaneously fitted into the vertical slide grooves 123 and 124. Next, the lid 110 is pushed down toward the bottom wall portion 122 of the storage case main body 120, and the pair of convex portions 112 and 113 are positioned in the horizontal slide grooves 125 and 126.
[0035]
Thereafter, the lid 110 is slid toward the case rear wall 127 of the storage case main body 120, whereby the index sheet 30 is formed by the lid rear wall 114 of the lid 110 and the case rear wall 127 of the storage case main body 120. The back cover portion 32 can be clamped and fixed.
That is, according to the MD cartridge storage case 400 of the fourth embodiment, the sliding amount of the cover 110 with respect to the storage case main body 120 can be minimized, and the cover 110 is rubbed with the index sheet to generate paper dust. Can be prevented.
[0036]
FIG. 9 is an exploded cross-sectional view of an MD cartridge storage case 500 according to the fifth embodiment of the present invention.
The MD cartridge storage case 500 of the fifth embodiment includes a storage case body 150 and a lid 140 that is detachably provided on the storage case body 150. A spherical projection 142 projects from the inner surface of the upper wall 141 of the lid 140 at the end on the insertion port side.
Thus, when the MD cartridge is inserted into the MD cartridge storage case 500, the rear end portion of the MD cartridge 3 is locked to the protrusion 142, so that the MD cartridge 3 is inadvertently inserted from the MD cartridge storage case 500. Never fall out.
[0037]
Further, a flange 152 projects from the inner surface of the bottom wall 151 of the storage case main body 150 along the edge on the insertion port side.
As a result, the index sheet 30 inserted into the MD cartridge storage case 500 is protected at the front end of the main body 31 by the flange 152, so that the edge of the index sheet 30 is damaged even when the MD cartridge is inserted or removed. There is nothing.
[0038]
The disk cartridge storage case according to the present invention is not limited to the configuration of each of the above embodiments, and it goes without saying that various modifications are possible.
For example, in the embodiment described above, the slide grooves recessed in the storage case body are all set to extend parallel or perpendicular to the bottom wall portion of the storage case body. If it is set so as to be inclined and extended with respect to the bottom wall portion of the case body, the lid body is separated from the bottom wall portion of the storage case body as soon as the lid body is slid, and the index sheet can be taken out more easily. It can be carried out.
[0039]
Further, in the above-described embodiment, the projecting portion is protruded on the cover body side and the slide groove is recessed on the storage case main body side. It is good also as protrudingly providing a convex part.
Further, in the above-described embodiment, the spine portion 32 of the index sheet 30 is sandwiched and fixed between the lid rear wall portion of the lid body and the case rear wall portion of the storage case body. On the other hand, if the back cover portion 42 is erected along the side edge of the main body portion 41 as in the index sheet 40 shown in FIG. 10, for example, the lid side wall portion of the lid body and the storage case main body The back cover portion 42 can be clamped and fixed by the case side wall portion.
[0040]
【The invention's effect】
As described above, in the disc cartridge storage case of the present invention, since the lid is detachable from the storage case body, the index sheet can be easily arranged in the storage space by removing the lid. Can do. Further, by attaching the lid to the storage case main body, the index sheet can be clamped and fixed between the lid and the storage case main body, and the index sheet can be prevented from falling off from the storage case.
Accordingly, it is possible to provide a disk cartridge storage case in which the index sheet can be easily stored in the storage case and the index sheet does not fall off.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of an MD cartridge storage case according to a first embodiment of the present invention.
FIG. 2 is an enlarged vertical sectional view of a main part of the MD cartridge storage case shown in FIG.
FIG. 3 is an overall perspective view of an index sheet.
4 is an enlarged perspective view of a main part showing a modification of the MD cartridge storage case shown in FIG. 1. FIG.
FIG. 5 is an exploded perspective view of an MD cartridge storage case according to a second embodiment of the present invention.
6 is an overall perspective view of the index sheet shown in FIG. 5. FIG.
FIG. 7 is an exploded cross-sectional view of an MD cartridge storage case according to a third embodiment of the present invention.
FIG. 8 is an exploded cross-sectional view of an MD cartridge storage case according to a fourth embodiment of the present invention.
FIG. 9 is an exploded cross-sectional view of an MD cartridge storage case according to a fifth embodiment of the present invention.
FIG. 10 is an overall perspective view showing a modification of the index sheet.
FIG. 11 is an overall perspective view of an MD cartridge and a conventional storage case.
[Explanation of symbols]
3 MD Cartridge 10 Lid 15 Projection 15a Engaging Recess 20 Storage Case Main Body 25 Slide Groove 25a Engaging Protrusion 30 Index Sheet 100 MD Cartridge Storage Case

Claims (1)

A disk cartridge storage case in which a housing having a disk cartridge storage space and a disk cartridge insertion port communicating with the storage space is composed of a storage case main body and a lid detachably provided on the storage case main body. And an engaging means for holding the storage case main body and the lid body in a closed state is provided between the storage case main body and the lid body, and the engaging means includes the lid body and the lid body. It comprises a slide groove that is recessed in one of the storage case bodies, and a projecting portion that is protruded on the other side that can slide in the slide groove, and the lid is formed as a slide groove in the storage case body. along by mounting is slid, said housing having an L-shaped cross section of the index sheet placed in the space is sandwiched fixed, the slide groove, the disk cart Li Disc cartridge storage case, characterized in that comprising a part and a vertically extending portion extending parallel to the direction of inserting the di.

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