JP2002002857A - Cartridge storage case - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a highly reliable cartridge storage case wherein a swell or an arm engaged with the cartridge for holding can stand an impact even if the impact is applied due to a drop or the like while the cartridge is received, preventing damage. SOLUTION: The storage case includes a body 30, a cover member 20 rotatably mounted on the body and an opening which is formed when the body and the cover member are closed to allow a cartridge 50 to be put in/out. The cover member includes, on its right and left sidewalls 22, the swell 22b to be engaged with a recess 51 of the cartridge when the cartridge is received. The swell is provided on the arm 22a integrally formed with the sidewall of the cover member, and a protrusion 22c is provided in the vicinity of a sidewall 32 of the body on an opposite surface to the swell of the arm.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage case for storing a cartridge containing a recording medium such as an optical disk or a magneto-optical disk.

[0002]

2. Description of the Related Art A storage case for storing a cartridge that stores a recording medium such as an optical disk or a magneto-optical disk is known. For example, the storage case disclosed in Japanese Patent Application Laid-Open No. 11-278578 includes a main body, a cover member, and the like. The cover member has a cartridge holding portion, and stores a mini disk (MD) as a cartridge.

As shown in the top view (a) and the bottom view (b) of FIG. 6, a mini disk (MD) stores a disk-shaped recording medium D in a thin box-shaped cartridge 50 made of resin. Are inserted into the recording / reproducing apparatus in the direction of the arrow to be used for reproduction or recording. Concave portions 51, 51 used at the time of insertion into the device are formed at both ends on the insertion direction side of the lower surface.

In the storage case disclosed in the above publication, when the cartridge is stored in the storage case, an arm having a raised portion which engages with the concave portion 51 of the cartridge 50 shown in FIG. It is provided in. However, when the storage case is dropped in a state where the cartridge is stored, there is a possibility that the impact may damage the arm and the raised portion.

[0005]

SUMMARY OF THE INVENTION In view of the above-mentioned problems of the prior art, the present invention provides a raised portion that engages with and holds a cartridge even when an impact is applied due to a fall or the like in a state in which the cartridge is housed. It is an object of the present invention to provide a highly reliable cartridge storage case that can withstand shocks and prevent damage to the arm and arm.

[0006]

In order to achieve the above object, a storage case for a cartridge according to the present invention comprises a main body, a cover member rotatably attached to the main body, and a main body and the cover member. An opening formed when the cartridge is closed so that the cartridge can be inserted and removed,
An arm portion having a raised portion that engages with a concave portion of the cartridge when the cover member houses the cartridge, and a holding portion that holds the cartridge with the cover member opened; A storage case for a cartridge with

[0007] A projection is provided on the opposite side of the raised portion of the arm portion, wherein the cover member engages with a concave portion of the cartridge when the cartridge is stored in left and right side walls thereof. A cartridge storage case, comprising: an arm portion having a raised portion that fits together; and a holding portion that holds the cartridge with the cover member opened, wherein the arm portion protrudes from a surface of the arm portion opposite to the raised portion. A part is provided.

According to this cartridge storage case,
Since the strength of the raised portion is increased by the protrusion provided on the side opposite to the raised portion of the arm portion, the raised portion including the raised portion can withstand an impact due to a drop or the like, and damage can be prevented. Therefore, a more reliable cartridge storage case can be realized.

In this case, it is preferable that a side wall of the main body is opposed to the outer side of the arm portion, and a protrusion of the arm portion is close to the side wall of the main body. When the arm is deformed toward the side wall of the main unit when inserting or removing a cartridge, the protrusion that is close to the side wall of the main unit contacts the side wall and functions as a position restricting unit, preventing large deformation exceeding a certain limit. Therefore, permanent deformation and breakage of the arm can be prevented. Further, if the arm portion is made thicker to improve the strength of the arm portion, it becomes difficult to deform, the force required to insert and remove the cartridge increases, and the handleability decreases, but according to the above configuration, the arm portion is made thicker. Since it is not necessary to perform the operation and it is possible to prevent the breakage, the force at the time of putting in and out is appropriate, and the handleability is good.

It is preferable that the protruding portion and the protruding portion are formed at the tip of the arm portion. If the tip portion that becomes the final filling portion of the resin at the time of molding the mold is thin, the filling of the resin is likely to be insufficient and the moldability is reduced, but according to the above configuration, the tip portion that becomes the final filling portion of the resin Becomes large as protrusions and protrusions, so that the resin is sufficiently filled and moldability is improved.

Preferably, the protrusion is tapered toward the side wall of the main body. According to this configuration,
When the protrusion is formed by the slide core of the molding die, the release from the slide core is good, the deformation of the arm portion can be prevented, and the abutment adjustment of the slide core becomes easy.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 4 are views showing a storage case for a cartridge according to the present embodiment. The cartridge storage case 10 shown in the perspective view of FIG. 1 is configured by combining a main body 30 and a cover member 20, and has a rectangular flat box shape when the cover member 20 is closed with respect to the main body 30, An opening 11 for inserting and removing the cartridge 50 shown by a two-dot chain line in the insertion and removal direction S is formed on the front side. At a substantially center of the opening 11, a notch 31a is formed on the body 30 side, and a notch 21a is formed on the cover member 20 side, respectively.
These cutouts 31a and 21a make it easy to pull out the stored cartridge 50.

FIG. 2 is a perspective view of the inner side of the main body 30. As shown in FIG. 2, the main body 30 has a rectangular bottom wall 31, left and right side walls 32, 32, and a rear wall 33. As shown in FIG. 1, no wall is provided on one side facing the rear wall 33 of the bottom wall 31 to form the opening 11 when combined with the cover member 20. The above-mentioned notch 31a is formed in this one side. When combined with the cover member 20, the side walls 32, 32 and the rear wall 33 of the main body 30 serve as peripheral walls of the storage case 10. Further, at both ends of the rear wall 33, a pivot hole 34 for pivotally supporting the pivot shaft 24 (FIG. 3) of the cover member 20 is provided, and a slope 34a is provided above the pivot hole 34. The pivot shaft 24 (FIG. 3) is easily incorporated into the pivot hole 34.

Engagement projections 35 are formed on the inner surface of the main body 30, which is separated from the left and right side walls 32, 32 and the rear wall 33. An engagement recess 25 (FIG. 3) is formed in the cover member 30 at a position corresponding to the engagement projection 35. When the cover member 20 is closed, the engagement protrusion 35 and the engagement recess 25 are engaged, and the main body 30 and the cover member 20 are locked.

A recess 36 is formed in the inner surface 31b of the bottom wall 31 of the main body 30 near the root of the left and right side walls 32,32. The side wall 3 is located before and after the recess 36.
A projecting portion 37 is formed so as to protrude from the inner surface 31 b of the bottom wall 31 along 2. The protruding portion 37 is provided so as to correspond to the periphery of the holding portion 26 (FIG. 3) of the cover member 20. A gentle slope 37a is formed at a boundary portion along the side wall 32 between the protrusion 37 and the inner surface 31b of the bottom wall 31. When the cover member 20 is closed with respect to the main body 30, the holding portion 26 (FIG. 3) of the cover member 20 is provided in the concave portion 36.
Enters.

FIG. 3 is a perspective view of the inner side of the cover member 20. As shown in FIG. 3, the cover member 20 is
Square bottom wall 21 and left and right side walls 2 like bottom wall 31
2 and 22 and a rear wall 23. As shown in FIG.
No wall is provided on one side of the upper wall 21 to form the opening 11 when combined with 0. The above-mentioned notch 21a is formed in this one side.

The rear wall 23 of the cover member 20 is slightly higher than the thickness of the cartridge 50 (FIG. 1) to be stored, and when a force is applied to the storage case 10 from the outer surface side of the upper wall 21, the front end of the rear wall 23 is The contact with the bottom wall 31 of the main body 30 prevents the cover member 20 from being deformed.

The left and right side walls 22,
Numeral 22 is formed so as to be displaced inward from the upper wall 21, flat portions 21 b are formed at both ends along the side wall 22, and the flat portions 21 b form side walls 32 forming the peripheral wall of the main body 30.
Abuts on the tip. Rotation shafts 24 are formed at the left and right ends on the rear wall 23 side of the upper wall 21, and the shafts 24 are fitted into pivot holes 34 (FIG. 2) of the main body 30 so that the cover member 20 can rotate. Become.

The arm portions 22 are provided on the side walls 22,22.
a, 22a are integrally formed so as to extend toward the rear wall 23 side. A protruding portion 22b is integrally formed at the tip of the arm portion 22a so as to protrude inside the storage case 10 and a protruding portion 22c protrudes outside the storage case. The arm portion 22a is elastically deformed in the direction of the arrow e in FIG. 3, and the raised portion 22b engages with a concave portion 51 of the cartridge 50 which is partially shown by a broken line in FIG. Is prevented from dropping out of the opening 11 from the cartridge 50 stored in the opening 11.

The holding portion 26 is formed so as to protrude from the lower end of the side wall 22 of the cover member 20 toward the inside of the storage case 10. The holding portion 26 is a cover member 2
1 has an upper surface 26b on the side facing the inner surface 21a of the upper wall 21. Even when the cover member 20 is opened with the cartridge 50 stored in the storage case 10 of FIG. And the inner surface 21a of the upper wall 21
Can be reliably held in between. In this case, since the convex portion 27 is formed near the side wall 22 of the upper wall 21 along the side wall 22, the cartridge 50 is attached to the upper surface 26 b of the holding portion 26.
And the inner surface 21a of the upper wall 21 does not directly contact the surface of the cartridge 50, so that the cartridge 50 and the cover member 20 can be prevented from being damaged.

A through hole 26a is formed in the side wall 22 where the holding portion 26 is formed.
Is formed by the slide core of the mold during the molding of the mold. When the main body 30 and the cover member 20 are closed, the positioning notches 38 formed at the corresponding positions of the main body 30 are formed by the positioning projections 28 formed on both ends on the front side of the cover member 20. , 38 and the body 30
And the cover member 20 are positioned.

Next, referring to FIG. 4, the arm portion 22a and the raised portion 22b and the protruding portion 22c formed at the tip thereof will be further described. 4A is a plan view of the storage case 10 when the upper wall 21 of the cover member 20 is partially cut away, FIG. 4B is an enlarged plan view of the arm portion, and FIG. It is sectional drawing (c) seen cut | disconnected in the direction.

As shown in FIGS. 4A and 4B, at the rear of the storage case 10, a gap e is formed between the side wall 32 of the main body 30 and the side wall 22 of the cover member 20 located inside the main body.
Are formed. Due to the existence of the gap e, the arm portion 22a is separated from the side wall 32 of the main body 30, and can be deformed so as to expand (toward the side wall 32) when the cartridge 50 shown by the broken line in the figure is inserted. However, the arm portion 22a is provided so that the side wall 22 of the cover member 20 is not deformed.
The rib 22d is provided on the side wall 22 at the base portion of the base.
The rib 22d abuts on the inner surface of the side wall 32 of the main body 30 to prevent deformation of the side wall 22, and allows only the arm portion 22a to be deformed. Further, as shown in FIG. 4C, the side wall 3 of the main body 30 is provided at the tip of the protrusion 22c.
Slope 2 inclined toward 2 and tapered
2t and 22t are formed.

In the above configuration, the strength of the protruding portion 22b is increased by the protruding portion 22c provided on the side opposite to the protruding portion 22b of the arm portion 22a (on the side wall 32 side of the main body 30). The raised portion 22b can withstand an impact due to a drop or the like, and can be prevented from being damaged.

Further, even if an excessive force is applied to the arm portion 22a by a drop or the like in a state where the cartridge 50 is stored, the projection 22c of the arm portion 22a is
2, it comes into immediate contact with the inner surface of the side wall 32, and large deformation can be prevented. Thereby, permanent deformation or breakage of the arm portion 22a due to an impact such as a drop can be prevented.

A gate G of a molding die for molding the cover member 20 is provided at a position corresponding to the center of the upper wall 21 of the cover member 20 in the left-right direction in the figure as shown in FIG. (If the gate is arranged in the center in the left-right direction, the overall balance is good). For this reason, since the protrusion 22c is provided at the protruding portion 22b at the tip of the arm portion 22a which becomes the final filling portion of the resin when the cover member 20 is molded, the cavity space can be widened at this final filling portion. Therefore, resin filling defects such as short shots are unlikely to occur, and moldability is improved, which is preferable.

The effect of the provision of the slope 22t at the tip of the projection 22a will be described with reference to FIG. FIG.
FIG. 4 is a partial sectional view of a molding die of the cover member 20. The molding die includes a fixed die 57 and a movable die 58. A cavity 57a for molding the upper wall 21 is formed in the fixed mold 57, and a cavity 58a for molding the arm 22a, the raised portion 22b, and the protrusion 22c is formed in the movable mold 58. The movable mold 58 includes a slide core 58b having a slope 59 and a slide core body 58c, and the slopes 59, 59 are slopes 22t, 22 of the protrusion 22c.
Form t.

When the product is taken out of the molding die after molding, the movable mold 58 moves in the direction away from the fixed mold 57 at the boundary plane PL (the direction of arrow L in the figure).
The slide core 58b in the movable mold 58 moves in the left direction M in the figure. The slide core 58b forms the arm 22a, the ridge 22b, and the protrusion 22c, and the cavity 58 for forming the protrusion, the arm, and the like.
a to provide the slide core 58b.
, The resistance at the time of movement in the direction M can be reduced, the releasability can be improved, and the deformation of the arm portion can be prevented. In addition, when the slide core 58b is moved in the rightward direction N in the drawing to adjust the slide core 58b to the slide core main body 58c before molding, the both abutment portions are set to the corners A, so that the alignment between the two can be easily performed. This is preferable because the molding operation is simplified. A slope 59 is provided to make an abutment at the point A, which is a corner. It is also conceivable to perform positioning at point B or C, but it is difficult to perform positioning at point B. If the position approaches point N in the direction of point C, the releasability deteriorates and the arm deforms. It will be easier.

As described above, according to the cartridge storage case of the present embodiment, the strength of the raised portion 22b is increased by the protrusion 22c provided on the arm 22a, and the protrusion 22c is connected to the side wall of the main body 30. 32, preventing large deformation. Thereby, the arm portion 22a and the raised portion 22
b can be prevented beforehand, and a highly reliable storage case can be realized.

As described above, the present invention has been described by the embodiments. However, the present invention is not limited to these embodiments.
Various modifications are possible within the scope of the technical idea of the present invention. For example, the cartridge is not limited to a mini-disc (MD), but may of course store another recording medium.

[0031]

According to the present invention, even when an impact is applied due to a fall or the like in a state in which the cartridge is stored, the raised portion or the arm portion that engages with and holds the cartridge can withstand the impact, and damage can be prevented. Thus, a highly reliable cartridge storage case can be provided.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a cartridge storage case according to an embodiment of the present invention with a main body and a cover member closed.

FIG. 2 is a perspective view of a main body of the storage case shown in FIG.

FIG. 3 is a perspective view of a cover member of the storage case shown in FIG.

4A is a plan view of the storage case in which the upper wall of the cover member shown in FIG. 3 is partially cut away, FIG. 4B is an enlarged plan view of an arm portion thereof, and FIG. It is sectional drawing (c) seen cut | disconnected in the c-line direction.

FIG. 5 is a partial sectional view of a molding die for molding the cover member of FIG. 3;

FIGS. 6A and 6B are a top view and a bottom view showing an example of a conventional cartridge that can be stored in the storage case of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Storage case 20 Cover member 21 Upper wall 21a Inner surface of upper wall 22 Side wall 22a Arm part 22b Raised part 22c Projection 22d Rib 22t Slope 23 Rear wall 26 Holding part 27 Convex part 30 Main body 31 Bottom wall 31b Inner surface of bottom wall 32 Side wall 33 Rear wall 36 Depression 37 Projection 37a Slope 50 Cartridge 51 Engagement recess 57 Fixed mold 58 Movable mold 58b Slide core 58c Slide core body 59 Slope

Continuation of the front page (72) Inventor Kimitoshi Ito 1-13-1 Nihonbashi, Chuo-ku, Tokyo TDC Corporation F term (reference) 3E036 AA07 FA01 FB01

Claims (4)

[Claims] 1. A main body, a cover member rotatably attached to the main body, and an opening formed when the main body and the cover member are closed so that a cartridge can be inserted and removed. An arm portion having, on the left and right side walls of the cover member, a raised portion that engages with a concave portion of the cartridge when the cartridge is stored; and a holding portion that holds the cartridge with the cover member opened. , A cartridge storage case comprising: a projection provided on a side of the arm portion opposite to the raised portion. 2. The cartridge for a cartridge according to claim 1, wherein a side wall of the main body faces an outer side of the arm section, and a protrusion of the arm section approaches the side wall of the main body. Storage case. 3. The cartridge storage case according to claim 1, wherein the protrusion and the protrusion are integrally formed at a tip of the arm. 4. The storage case for a cartridge according to claim 1, wherein the projection is tapered toward a side wall of the main body.