JP3761021B2 - Storage disk storage case - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a storage disk storage case, and more particularly to a storage disk storage case for storing a plurality of storage disks arranged in such a manner that their axes substantially coincide with each other.
[0002]
[Prior art]
Hard disks are widely used as computer recording media. A hard disk has a magnetic layer formed on an aluminum substrate or a glass substrate as a thin film, and uses a magnetic head to read and write information by applying the principle of electromagnetic induction or magnetic induction.
[0003]
In the manufacturing process of such a hard disk, the disk-shaped hard disk or its intermediate product is stored in a cassette so that their axes coincide with each other, and this cassette is further stored in an outer case for logistics. Provided or transported between processes.
[0004]
[Problems to be solved by the invention]
In such a conventional hard disk storage case, especially when increasing the number of hard disks or intermediate products stored in one case, a cassette or outer case having a large dimension in the axial direction of the stored hard disk is used. It is done. Here, when the hard disk is used for logistics, the outside of the outer case is wrapped in a film while the inside is evacuated.
[0005]
Therefore, since the inside becomes a negative pressure, an atmospheric pressure is applied to the outer case and the cassette, and the side plate of the outer case is deformed inward because it is long in the axial direction. That is, both ends are prevented from being deformed inward by the side plate on the short side, but there is a problem that the intermediate portion of the outer case and the cassette is deformed in the width direction. In particular, if the cassette is deformed in the width direction and its intermediate portion is deformed inward, an unexpected force is applied to the stored hard disk, which may deform the hard disk, resulting in a defective product. A similar problem occurs when the cassette taken out from the outer case is sandwiched between the chucking arms of the robot.
[0006]
The present invention has been made in view of such problems, and in particular, when the interior is evacuated and transported in a negative pressure state, or when the cassette is clamped by a chucking arm, It is an object of the present invention to provide a storage disk storage case in which the side surface in the width direction of the outer case is prevented from being deformed inward.
[0007]
[Means for Solving the Problems]
A main invention of the present application is a storage disk storage case in which a plurality of storage disks are held in a cassette at predetermined intervals so that their axes substantially coincide with each other, and the cassette is stored in an outer case. ,
Inside the outer wall parallel to the axial direction of the storage disk of the cassette, the rib protrudes inwardly from the inner surface of the outer wall and has one more rib than the maximum number of storage disks to be stored. It is formed in parallel with the diameter direction of the disk, and the gap between the ribs becomes a guide groove, and the peripheral edge of the storage disk is received and held by the guide groove,
Parallel to the diameter of the storage disk on the outer surface of the intermediate position of the outer wall of the cassette on the outer surface of the intermediate position of the outer wall to prevent deformation of the intermediate position of the storage disk in the axial direction in the width direction of the cassette. And forming a plurality of vertical grooves extending in the vertical direction, the vertical grooves between the vertical grooves ,
While forming a lateral rib on the outside of the peripheral edge of the upper opening of the cassette, the upper end of the longitudinal rib is close to or continuous with the lateral rib,
The present invention relates to a storage disk storage case characterized in that the dimension in the width direction of the intermediate part where the vertical ribs of the outer wall of the cassette are formed is larger than the dimension in the width direction on both ends .
[0008]
Here with guide grooves for receiving the outer periphery of the storage disk inside the outer wall of the cassette is formed, the longitudinal ribs in the guide groove of the same pitch on the outside of the outer wall in correspondence with the guide grooves May be formed. The storage disk may be a hard disk having a magnetic layer formed on a substrate. The substrate of the storage disk may be glass.
[0009]
According to the storage disk storage case according to the main invention described above, the plurality of vertical ribs extending in the vertical direction in parallel with the diametrical direction of the storage disk, particularly at the intermediate position in the axial direction of the storage disk on the outer wall of the cassette Are provided at predetermined intervals. Such a plurality of vertical ribs increase the rigidity of the outer wall of the cassette, and when the inside of the outer case is evacuated to a negative pressure, the external pressure applied to the outer case from the outside is stiffened by the rigidity of the outer wall of the cassette. It becomes possible to receive by. Further, when the cassette is clamped by the chucking arm, it is possible to receive a force in the width direction applied to the cassette. Accordingly, the outer wall portion of the cassette is prevented from being deformed inward in the width direction, the plurality of storage disks held in the cassette are prevented from receiving a force in the width direction of the cassette, and the deformation of the storage disk is prevented. Is done.
[0010]
In the present invention, the storage disk includes not only a storage disk as a finished product such as a hard disk but also an intermediate product of a storage disk such as an aluminum substrate and a glass substrate for producing such a storage disk.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 shows an entire storage disk storage case according to an embodiment of the present invention. The storage disk storage case includes a cassette 10 located inside thereof, and an upper case 11 for storing the cassette 10. And an outer case including the lower case 12. For example, 25 hard disks 15 are accommodated in the cassette 10 with their axes aligned with each other. The hard disk 10 is provided with a center hole 16, which allows access from the outside by a robot hand.
[0012]
Next, the configuration of the lower case of the outer case will be described with reference to FIGS. The lower case 12 is an elongated box-shaped case having a concave portion on the inside and an open upper surface. A flange 19 is formed on the peripheral edge of the opening, and a protrusion is formed on the upper surface of the flange 19. 20 is formed. Further, the side wall portions on both end sides in the axial direction of the lower case 12 are each provided with a semicircular cut 21. And the rib 22 is formed in the outer edge of these notches 21 so that it may protrude in an outer peripheral side. A stepped recess 23 is formed on the lower surface of the lower case 12 and below the semicircular cut 21. Further, projecting pieces 24 are formed on both sides of the upper end of the semicircular cut 21, respectively.
[0013]
Next, the upper case 11 which is combined with the lower case 12 and constitutes the outer case will be described with reference to FIGS. The upper case 11 is an elongated box-shaped container having a lower portion opened and a top surface closed. A flange 27 is formed at the peripheral edge of the opening of the container, and a groove 28 is formed in the flange 27. Further, semicircular cuts 29 are formed on the side walls at both ends in the axial direction of the upper case 11. These cuts 29 are aligned with the semicircular cuts 21 of the lower case 12 so that when the upper and lower cases 11 and 12 are combined, circular openings are formed at both side ends. Such circular cuts allow access to the central hole 16 of the hard disk 15.
[0014]
Ribs 30 are formed on the outer edges of the semicircular cuts 29 in the upper case 11. A stepped recess 31 is formed on the upper side of the side plate on the short side above the semicircular cut 29. Hinge pins 32 are planted on both sides of the stepped recess 31 facing each other.
[0015]
Next, a cap 35 for closing a circular opening formed by aligning the semicircular cuts 21 and 29 of the outer case composed of the upper and lower cases 11 and 12 will be described with reference to FIGS. The cap 35 has a circular shape that is slightly larger than the circular opening so as to close the circular opening. A rib 36 is formed on the peripheral edge of the rib 36. The rib 36 is engaged with the rib 22 of the lower case 12 and the rib 30 of the upper case 11, respectively. An attachment arm 37 is connected to the upper end of the cap 35, and pin holes 38 are formed on both sides of the attachment arm 37. The pin hole 38 engages with the hinge pin 32 of the step-like recess 31 of the upper case 11, whereby the cap 35 is rotatably attached to the upper case 11.
[0016]
The cap 35 is integrally provided with a protruding piece 39 so as to protrude downward. A claw 40 is formed inside the protruding piece 39. The claw 40 engages with the lower surface of the stepped recess 23 of the lower case 12, thereby locking the upper and lower cases 11, 12 in a closed state.
[0017]
Next, the pressing member 43 for pressing the hard disk 15 in the cassette 10 from above will be described with reference to FIG. The presser member 43 is a molded body that is elongated in the arrangement direction of the hard disks 15, and presser pieces 44 that press the outer peripheral edge of the upper end of each hard disk 15 are formed on both sides thereof. An arcuate pressing portion 45 is provided on the tip end side of the pressing piece 44, and the outer peripheral edge of the hard disk 15 is pressed by the pressing portion 45.
[0018]
In addition, three pins 46 are provided on the upper surface of the presser member 43, and protrusions 47 are formed between the pins 46. The pin 46 is locked by a cylindrical locking portion 49 in a concave portion 48 extending in the axial direction formed inside the upper case 11 shown in FIGS. 6 and 7B. The presser member 43 is attached in the upper case 11 by such locking.
[0019]
Next, the structure of the cassette 10 for storing the hard disk 15 will be described with reference to FIGS. The cassette 10 is composed of an elongated frame having an upper portion and a lower portion both open, and the number of ribs 52 that is one more than the number of hard disks 15 to be accommodated is inside the long side walls. The guide ribs 53 are formed between the ribs 52. The peripheral edge of the hard disk 15 is received and held by the guide groove 53.
[0020]
The cassette 10 has U-shaped cuts 54 on both sides in the axial direction. The peripheral portions of these notches 54 are ribs 55, and vertical ribs 56 are formed outside the ribs 55. Further, horizontal ribs 57 are formed at both ends in the axial direction of both side walls of the cassette 10 so as to be continuous with the lower ends of the vertical ribs 56.
[0021]
Further, the cassette 10 is provided with ten vertical grooves 60 at the intermediate positions in the axial direction on the surfaces of both outer walls on the long side. The vertical ribs 61 are formed between the vertical grooves 60. A lateral rib 62 is formed over the entire length in the longitudinal direction on the outer periphery of the upper opening of the cassette 10 so as to be substantially close to or continuous with the upper end of the vertical rib 61. The vertical ribs 61 and the horizontal ribs 62 formed by the vertical grooves 60 have a function of giving high rigidity to the cassette, in particular, preventing deformation in the width direction, and the hard disk 15 housed in the cassette 10. It is for canceling the force from the side.
[0022]
In such a storage disk storage case, a plurality of, for example, 25 hard disks 15 are held in the respective guide grooves 53 of the cassette 10 as shown in FIGS. 1, 2B, and 3B. . The cassette 10 holding the hard disk 15 is stored in the lower case 12. Then, the upper case 11 is mounted thereon.
[0023]
Here, the protrusion 20 of the flange 19 of the lower case 12 is engaged with the groove 28 of the flange 27 of the upper case 11. Further, the semicircular cuts 29 and 21 of the upper and lower cases 11 and 12 are aligned to form circular openings at both ends. This circular opening is closed by a cap 35 rotatably attached to the upper case 11 by a hinge pin 32. The ribs 36 of the cap 35 engage with the ribs 30 and 22 of the semicircular cuts 29 and 21 of the upper and lower cases 11 and 12. Further, the claw 40 of the protruding piece 39 of the cap 35 is engaged with the stepped recess 23 of the lower case 12. Accordingly, the caps 35 on both sides constitute a locking means for the upper and lower cases 11 and 12.
[0024]
In this way, the hard disk 15 is stored in the cassette 10 and further stored in the outer case composed of the upper and lower cases 11 and 12, whereby the hard disk 15 is stored or transported. Moreover, it can take out from an outer case and can stack the cassette 10 in many steps up and down, as shown in FIG. That is, when another cassette 10 is placed on the upper stage of the cassette 10, the horizontal rib 57 of the upper cassette 10 is received by the upper edge of the lower cassette 10, and is thereby stably held when stacked. In addition, since the portion of the cassette 10 that protrudes from the horizontal rib 57 enters the inside of the lower cassette 10, it is difficult to be displaced in the lateral direction and is prevented from collapsing.
[0025]
Such a cassette 10 is formed with a longitudinal groove 60 and a longitudinal rib 61 on the outer surface of the outer wall of the cassette 10 at an intermediate position in the longitudinal direction, and is continuous or close to the length above the longitudinal rib 61. A transverse rib 62 is formed over the entire length in the direction. This is because, as shown in FIG. 2, when the cassette 10 is stored in the outer case and evacuated, atmospheric pressure acts in the width direction particularly on the long side portion. In FIG. 12, a force is applied to the inside by atmospheric pressure in the direction indicated by the arrow 65. As a result, the cassette 10 is easily deformed such that the middle portion thereof is narrowed. The same deformation force is also received when the cassette 10 is directly held by the chucking arm. However, the combination of the longitudinal groove 60, the longitudinal rib 61, and the lateral rib 62 of the cassette 10 increases the rigidity of the outer wall of the cassette 10 and prevents deformation.
[0026]
Moreover, the cassette 10 is easily deformed in the width direction at the intermediate position in the length direction by the force of the arrow 65 shown in FIG. In view of this, the width of the portion indicated by the arrow 65 of the cassette 10 is slightly wider than the both ends where the cuts 54 are formed, for example, the width is 1 to 5% wider. Therefore, even if the force indicated by the arrow 65 is applied and deformed inward, the force in the direction of the arrow 65, that is, the width direction of the cassette 10 is not applied to the hard disk 15 in the cassette 10. Therefore, the hard disk 15 is prevented from being deformed. If the hard disk 15 is deformed, surface vibrations occur during use, and the clearance with the head cannot be kept uniform, resulting in a defective product. However, the occurrence of such defective products is prevented by the structure of the cassette 10 described above.
[0027]
Although the invention included in the present application has been described with the illustrated embodiment, the invention included in the present application is not limited to the above-described embodiment, and various modifications are possible within the scope of the technical idea of the invention included in the present application. Is possible. For example, although the above embodiment relates to a storage case for the hard disk 15, the present invention is widely applicable as a storage case for various other storage disks. Further, the reinforcing structure composed of the longitudinal ribs 61 and the lateral ribs 62 formed at the intermediate position in the longitudinal direction of the cassette 10 is not necessarily limited to this structure, and other structures are within the scope of the technical idea of the invention. The structure can be appropriately changed to an arbitrary structure.
[0028]
【The invention's effect】
The main invention of the present application is a storage disk storage case in which a plurality of storage disks are held in a cassette at a predetermined interval so that their axes substantially coincide with each other, and the cassette is stored in an outer case. On the inner surface of the outer wall parallel to the axial direction of the storage disk of the cassette, a rib that protrudes inward from the inner side of the outer wall and has one more rib than the maximum number of storage disks that can be stored. parallel to form the diametrical direction, it is between said ribs guiding groove, without to hold accepting periphery of the memory disk by the guide groove, the axial direction of the intermediate position of the storage disc an outer wall of the cassette a plurality of longitudinal grooves formed longitudinally extending on the outer surface of the intermediate position of the outer wall which is parallel to the diameter of the storage disk in order to prevent deformation in the width direction of the cassette Between said longitudinal grooves and longitudinal ribs, to form a transverse rib on the outside of the periphery of the upper opening of the cassette, the upper end of the vertical ribs transverse ribs and proximity or by continuous, vertical ribs of the outer wall of the cassette is formed The dimension in the width direction of the intermediate part is made larger than the dimension in the width direction on both ends .
[0029]
Therefore, according to such a storage disk storage case, the rigidity at the intermediate position in the axial direction of the cassette is increased by the vertical rib provided on the outer wall of the cassette and at the intermediate position in the axial direction of the storage disk. Is prevented from being deformed inward in the width direction. As a result, deformation of the storage disk stored in the cassette can be prevented, and generation of defective products can be prevented.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing the overall configuration of a storage disk storage case.
FIG. 2 is a side view and a longitudinal sectional view of the assembled state.
FIG. 3 is a front view and a longitudinal sectional view of the assembled state.
FIG. 4 is a front view showing a state in which cassettes are stacked in two stages.
FIG. 5 is a plan view and a cross-sectional view of an outer case.
FIG. 6 is a bottom view and a cross-sectional view of an upper case.
FIG. 7 is a front view and a cross-sectional view of the upper case.
FIG. 8 is a front view and a cross-sectional view of the lower case.
FIG. 9 is a plan view of the cap.
FIG. 10 is a front view and a longitudinal sectional view of a cap.
FIG. 11 is a plan view, a side view, and a cross-sectional view of a pressing member.
FIG. 12 is a plan view and a cross-sectional view of a cassette.
FIG. 13 is a front view and a sectional view of the cassette.
[Explanation of symbols]
10 cassette 11 upper case 12 lower case 15 hard disk 16 center hole 19 flange 20 protrusion 21 semicircular cut 22 rib 23 stepped recess 24 protrusion 27 flange 28 groove 29 semicircular cut 30 rib 31 stepped recess 32 hinge pin 35 Cap 36 Rib 37 Mounting arm 38 Pin hole 39 Projecting piece 40 Claw 43 Pressing member 44 Pressing piece 45 Arc-shaped pressing part 46 Pin 47 Projection 48 Recess 49 Cylindrical locking part 52 Rib 53 Guide groove 54 U-shaped cut 55 Rib 56 Vertical rib 57 Horizontal rib 60 Vertical groove 61 Vertical rib 62 Horizontal rib 65 Arrow (force)

Claims (4)

In a storage disk storage case in which a plurality of storage disks are held in a cassette at predetermined intervals so that their axes substantially coincide with each other, and the cassette is stored in an outer case.
Inside the outer wall parallel to the axial direction of the storage disk of the cassette, the rib protrudes inwardly from the inner surface of the outer wall and has one more rib than the maximum number of storage disks to be stored. It is formed in parallel with the diameter direction of the disk, and the gap between the ribs becomes a guide groove, and the peripheral edge of the storage disk is received and held by the guide groove,
Parallel to the diameter of the storage disk on the outer surface of the intermediate position of the outer wall of the cassette on the outer surface of the intermediate position of the outer wall to prevent deformation of the intermediate position of the storage disk in the axial direction in the width direction of the cassette. And forming a plurality of longitudinal grooves extending in the longitudinal direction, and between the longitudinal grooves as longitudinal ribs ,
While forming a lateral rib on the outside of the peripheral edge of the upper opening of the cassette, the upper end of the longitudinal rib is close to or continuous with the lateral rib,
A storage disk storage case, characterized in that a widthwise dimension of an intermediate portion where the vertical ribs of the outer wall of the cassette are formed is larger than a widthwise dimension on both ends . With guide grooves for receiving the outer periphery of the storage disk inside the outer wall of the cassette is formed, the longitudinal ribs formed in the guide groove of the same pitch on the outside of the outer wall corresponding to the guide groove The storage disk storage case according to claim 1, wherein the storage disk storage case is a storage disk storage case. The storage disk storage case according to claim 1 or 2 , wherein the storage disk is a hard disk having a magnetic layer formed on a substrate. The storage disk storage case according to any one of claims 1 to 3 , wherein a substrate of the storage disk is glass.

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