JP2002343004A - Disk drive - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a disk drive in which a small-diameter disk can be placed horizontally or vertically and which can be used even when placed upside down in the vertical disc loading posture in a disk drive which accepts and ejects the disk to or from the prescribed position of the drive main body by using a tray. SOLUTION: A sliding member 11 provided with holding members 12 and 13 which hold the outer periphery of a small-diameter disk 16 and prevent the disk from falling is disposed on a tray 1 for loading or ejecting a large- diameter disk or a small-diameter disk selectively to or from the disk drive casing. When the disk drive casing is set vertically, the holding members 12 and 13 move between a position under the loaded small-diameter disk 16 and another position over the disk 16 along a first guide hole 10 formed in advance along the outer periphery of the small-diameter disk 16.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disk device for loading and ejecting a disk, which is a recording medium, to a predetermined position on a main body of a device by using a tray. And a disk device that can be used even when the apparatus main body is turned upside down in a vertical use.

[0002]

2. Description of the Related Art Conventionally, as a disk device which can be used both horizontally and vertically and which can load disks of different diameters, for example, Japanese Patent Application No. Hei 9 (1999) -197, filed on Nov. 5, 1993.
287961.

FIG. 9 is a plan view of a tray of a conventional disk device described in the above publication as viewed from a disk mounting surface, and FIG. 10 is a diagram illustrating a state where the disk device is installed in a vertical position and a small-diameter disk is mounted. It is a principal part expanded sectional view which shows the state hold | maintained in the vertical attitude | position.

In FIG. 9, reference numeral 1 denotes a tray main body which can be loaded and ejected from / to the apparatus main body; Is a second connecting rod for transmitting the movement of the changeover switch 2 to the first connecting rod 6, and the first connecting rod 6 and the second connecting rod 7 Are rotatably connected by connecting pins 8.
Reference numeral 9 denotes a fixing pin for rotatably fixing the second connecting rod 7 to the tray main body 1.

When the small-diameter disc is used in the vertical position, the changeover switch 2 is slid in the direction of the arrow X1.
Rotates in the direction of arrow P1, and the first connecting rod 6 slides in the X2 direction. Then, as shown in FIG. 10, a cross section of the holding member 5 for drop prevention is shown in FIG.
When the first connecting rod 6 slides in the X2 direction (the direction perpendicular to the paper surface in FIG. 10), the holding member 5 pivots the shaft 5a. It turns to the center and stands up so as to protrude from the disk mounting surface of the tray 1 as shown in FIG. The other holding members 3 and 4 for drop prevention also protrude from the disk mounting surface by a similar configuration, and hold the small-diameter disk 16 at three points in a vertical posture when the disk device is installed vertically. I have.

The disk loaded in the apparatus housing is lifted from the disk mounting surface by a turntable entering from the back side of the tray, and is fixed to the tartable by a clamper.

[0007]

However, in this conventional configuration, the structure of the tray is complicated, and the vertical installation direction of the disk device is limited to one direction. That is, in FIG. There was a problem that it could not be used.

The present invention solves the above-mentioned conventional problems, and has a simple structure, without limiting the direction of vertical installation, and enabling both horizontal and vertical installation of small-diameter discs. It is an object of the present invention to provide a disk device.

[0009]

In order to solve the above-mentioned conventional problems, according to the first aspect of the present invention, it is possible to slide the disk in the rotating direction of the disk and prevent the small-diameter disk from falling. The sliding member having the holding member is slid according to the vertical installation direction of the disk device, so that the holding member can be positioned below the disk in any of the vertical installation directions. According to the third aspect of the present invention, a small-diameter disc mounting member provided with a holding portion for preventing a small-diameter disc from falling is provided on a tray in accordance with a vertical installation direction of a disc device. The holding member can be positioned below the disk in any of the vertical installation directions by rotating the loading member around the loading direction. There, since the holding portion for preventing the small-diameter disc falling slides or rotates without vertical installation direction of the disk device is limited, as it can use the disk in a vertical position.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is directed to a tray for selectively loading a large-diameter disk and a small-diameter disk on a disk mounting surface and loading and ejecting the disk into a disk drive housing. When the sliding member provided with a holding member for holding the outer periphery of the small-diameter disk and preventing the small-diameter disk from dropping is placed below the small-diameter disk on which the holding member is mounted when the disk device housing is placed vertically. The small-diameter disk is provided so as to be movable along a first guide hole formed in advance along the outer periphery of the small-diameter disk so as to be movable between a position located at the upper position and a position located at an upper position, and the holding member is mounted on the disk mount. A holding member receiving recess which is lower than the mounting surface is formed in the tray, and a second guide hole for guiding the sliding member so that the holding member moves to the holding member receiving recess is provided in the first guide. A disk device characterized by being formed so as to communicate with a hole, wherein a sliding member having a holding member for preventing a small-diameter disk from dropping is rotated along a guide hole to install the device in a vertical posture. The direction is not limited, and the disc can be loaded while holding the small-diameter disc in the vertical posture.

According to a second aspect of the present invention, when the holding member is moved to the holding member storage recess, the holding means engages with the sliding member and holds the sliding member at that position. 2. The disk device according to claim 1, wherein the holding member protrudes during disk loading and disk rotation of the large-diameter disk to more reliably avoid damaging the large-diameter disk. be able to.

According to a third aspect of the present invention, there is provided a large-diameter disk mounting surface formed at an outer peripheral portion and a small-diameter disk mounting member disposed at a central portion. A small-diameter disc mounted on the small-diameter disc mounting member on the outer peripheral portion of the small-diameter disc mounting member on which the small-diameter disc of the tray to be selectively mounted and loaded and ejected onto the disk device housing is mounted. Arc-shaped ribs are formed on the front and back sides to hold the outer periphery of the tray and prevent the fall thereof, and the small-diameter disc mounting surface is configured to be rotatable around the loading direction of the tray, and formed on the front and back sides. The disk device is characterized in that the ribs can be fixed in such a manner as to protrude from the large-diameter disk mounting surface by the rotation position of the small-diameter disk mounting member, respectively. By rotating the small-diameter disc mounting member provided with the holding portion for preventing the disc from falling, and holding the large-diameter disc mounting surface while being tilted in the inclined direction, in the vertical posture. The disc loading can be performed while holding the small-diameter disc in a vertical posture without being limited to the installation direction.

(Embodiment 1) Hereinafter, Embodiment 1 of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view showing a tray of a disk device according to an embodiment of the present invention. FIG. 2 is a diagram showing a state in which the disk device is installed in a vertical position and a small-diameter disk is placed on the tray. FIG. 3 is a perspective view showing a state in which the small-diameter disk is held in a vertical posture, and FIG. 3 is an enlarged cross-section of a holding portion for holding the small-diameter disk so as not to drop (section AA in FIG. 2). FIG. 4 and FIG. 4 are enlarged cross-sectional views (section BB in FIG. 2) when the small-diameter disk drop prevention holding member of the tray is stored in the holding member storage recess of the tray.

In these figures, reference numeral 10 denotes an annular guide hole formed around the center of the disk mounting surface of the tray 1 and about 3/4 of the diameter slightly larger than the diameter of the small-diameter disk. Is a sliding member made of an arc-shaped resin material having a length of about 1/4 circumference of the same diameter as that of the guide hole 10. Protrusions 11a and 11b are formed at both ends of the sliding member 11, respectively.
Reference numerals a and 11b penetrate the guide hole 10 from the back surface, and disk holding members 12 and 13 made of a resin material having a width larger than the width of the guide hole 10 are fixed to the tip. That is, the disk holding members 12, 13 and the sliding member 11
The sliding member 10 and the disk holding members 12 and 13 are configured to be slidable along the guide hole 10 in a state where the tray 1 is sandwiched between the front and rear sides of the tray 1.

Reference numerals 14 and 15 denote holding member storage recesses formed in the vicinity of the guide hole 10, and the disk holding member 1
Disk storage members 12, 13
The distance between the holding member storage recesses 14 and 15 is formed to be equal to the distance between the protrusions 11 a and 11 b formed on the sliding member 11. Further, a guide hole which communicates with the guide hole 10 and in which the protrusions 11a and 11b formed on the sliding member 11 can move is formed substantially up to the center of the holding member storage recesses 14 and 15.

The operation and operation of the disk device configured as described above will be described below. When the small-diameter disk 16 is to be placed in a state where the vertical orientation of the disk device is shown in FIG. 2, the sliding member 11 is moved along the guide hole 10 and the disk holding member 1 is moved.
2 and 13 are positioned below the tray 1 as shown in FIG.

In this state, the small-diameter disk 16 is
As shown in (1), it is supported by the hook-shaped portions 12a, 13a (13a is not shown) of the disk holding members 12, 13, and can be loaded without dropping. Further, as shown in FIG. 3, a vertical positioning recess 1a is provided on the back surface of the tray, so that the sliding member 1 is provided.
The positioning projections 11c formed in the positioning disc 1 are fitted into the positioning recesses 1a, so that the disc holding parts 12, 13 can be fixed while the small-diameter disc 16 is being loaded.

When a large-diameter disk is to be placed, the sliding member 11 is moved to a position where the disk holding members 12 and 13 face the holding member storage recesses 14 and 15, and thereafter, the holding member storage recess is moved. The disk holding members 12, 13 are moved in the radial direction of the annular guide hole 10 along the guide holes formed in the holes 14, 15, so that the disk holding members 12, 13 are housed in the holding member housing recesses 14, 15.

At this time, as shown in FIG. 4, since the storage positioning concave portion 12c is provided on the back surface of the tray of the holding member storing concave portions 14 and 15, the positioning convex portion 11c of the sliding member 11 is positioned at this position. The disc holding members 12 and 13 are held in the holding member storage recess 1 by being fitted into the recesses 1a and exerting an urging force Y accompanying elastic deformation of the resin material.
4 and 15, the disk holding members 12, 1
The projection 3 is configured to prevent the disk from being damaged even when a large-diameter disk is placed thereon, and to avoid generating chattering noise when the disk rotates at a high speed when the disk rotates at a high speed.

As described above, in the present embodiment,
By sliding the drop-preventing disk holding member according to the installation direction in the vertical posture, it is possible to provide a disk device in which the vertical installation direction is not limited.

(Embodiment 2) Hereinafter, Embodiment 2 of the present invention will be described with reference to FIGS. Note that the same components as those in the above-described embodiment are denoted by the same reference numerals, and description thereof is omitted.

FIG. 5 is a perspective view of the tray of the disk device according to one embodiment of the present invention, which is in a direction opposite to the disk mounting surface. FIG. 6 shows the disk device installed in a vertical position. 8 is a perspective view showing a state in which a small-diameter disk is placed on the tray of FIG. 7 and the small-diameter disk is held in a vertical posture. FIG. 7 is an enlarged exploded perspective view of a coupling portion between the small-diameter disk mounting member and the tray. FIG. 4 is an enlarged perspective view of a coupling portion when the small-diameter disc mounting member and the tray are coupled.

Reference numeral 17 denotes an approximately crescent-shaped small-diameter disk mounting member having an arc whose outer circumference is substantially 1/3 circumference. The rib 17a is formed integrally. On the outer peripheral surface near one end of the small-diameter disk mounting member 17, a rotary shaft 17c having a large-diameter portion 17 at the end is formed as shown in FIG.

In the center of the large-diameter disk mounting surface 1c, a keyhole-shaped through hole 1d having a curvature slightly larger than the curvature of the outer periphery of the small-diameter disk mounting member 17 is formed. The keyhole-shaped through hole 17 on the back surface of the placing surface 1c
At a position located at the center of the circular arc portion d, a C-shaped engaging claw 18 opened upward as shown in FIG. 7 is provided. As shown in FIG. Rotating shaft 17
c is press-fitted by utilizing the elastic deformation of the engagement claw 18. That is, the small-diameter disk mounting member 17 is mounted rotatably about the loading direction of the tray 1 as a central axis. The small-diameter disc mounting member 17 is prevented from rotating inadvertently due to the elastic biasing force in the Y direction due to the elastic deformation of the engaging claw 18 when the rotating shaft 17c is pressed into the engaging claw 18.

The operation and operation of the disk device configured as described above will be described below.

When the small-diameter disk 16 is to be mounted in a state in which the vertical orientation of the disk device is as shown in FIG. 6, the small-diameter disk mounting member 17 is slightly rotated.
The large-diameter disk mounting surface 1c is inclined with
a is made to protrude from the large-diameter disk mounting surface 1c. In this state, in the direction in which the small-diameter disk 16 falls under its own weight, the drop-preventing holding portion (rib) 17a
The small-diameter disk 16 is stably supported by the small-diameter disk mounting member 17 installed obliquely and can be loaded without dropping during loading. When a large-diameter disk is mounted, the small-diameter disk mounting member 17 is installed horizontally with the tray body 10 so that the drop-prevention holding portion (rib) 17a does not protrude, and the large-diameter disk is mounted. The disc will not be damaged even if it is placed.

In the case where the small-diameter disk mounting member 17 is used upside down in FIG. 6, the small-diameter disk mounting member 17 is rotated 180 degrees from the state shown in FIG. The drop-preventing holding portion (rib) 17a formed above is made to protrude from the large-diameter disc mounting surface 1c.

As described above, in the present embodiment,
By rotating the small-diameter disk mounting member, the configuration is not influenced by the vertical mounting direction, and it is possible to provide a disk device in which the vertical mounting direction is not limited.

[0030]

As described above, according to the present invention, it is possible to provide a disk device having a simple configuration and having no limitation on the vertical orientation.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a main part of a disk device according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a state where the disk device is installed in a vertical position and a small-diameter disk is mounted on a tray;

FIG. 3 is an enlarged cross-sectional view taken along line AA of FIG. 2 in a state where a small-diameter disk is placed on a tray of the disk device.

FIG. 4 is a cross-sectional view taken along the line BB of FIG. 2 when the small-diameter disk drop prevention member of the tray of the disk device is stored in a storage recess of the tray.

FIG. 5 is an exploded perspective view of a main part of the disk device according to the second embodiment of the present invention.

FIG. 6 is a perspective view showing a state in which the disk device is installed in a vertical position and a small-diameter disk is placed on a tray;

FIG. 7 is an enlarged exploded perspective view of a main part of the disk device.

FIG. 8 is an enlarged perspective view of a main part of the disk device.

FIG. 9 is a plan view of a tray of a conventional disk device viewed from a disk mounting surface.

FIG. 10 is a sectional view in which the disk device is installed in a vertical position and a small-diameter disk is held in a vertical position.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Tray main body 1a Positioning concave part 1b Positioning concave part 1c Large-diameter disk mounting surface 2 Changeover switch 3 Fall prevention holding member 4 Fall prevention holding member 5 Fall prevention holding member 6 First connecting rod 7 Second connecting rod 8 Connecting pin 9 Fixing pin 10 Guide hole 11 Sliding member 11a projection 11b projection 11c Positioning convex part 12 Disk holding member 12a Hook-shaped part 12b Vertical positioning concave part of holding member for fall prevention 12c Storage positioning concave part of holding member for fall prevention 13 Disk holding member 14 Holding member storage recess 15 Holding member storage recess 16 Small diameter disk 17 Small diameter disk mounting member 17a Fall prevention holding portion 17b Projection shape 17c Rotating shaft 18 Engagement claw

Claims (3)

[Claims] 1. A large diameter disk and a small diameter disk are selectively mounted on a disk mounting surface, and the outer periphery of the small diameter disk is held on a tray which is loaded and ejected from a disk device housing to prevent the disk from dropping. When the sliding member provided with the holding member is placed vertically in the disk device housing, the sliding member is moved between a position located below the small diameter disk on which the holding member is placed and a position located above the small diameter disk. A movable member is provided along a first guide hole formed in advance along the outer circumference of the small-diameter disk so as to be movable, and a holding member accommodating recess in which the holding member is lower than the disk mounting surface is formed in the tray. A second guide hole for guiding the sliding member is formed so as to communicate with the first guide hole so that the holding member moves to the holding member storage recess. Disk device. 2. A holding means for engaging the sliding member and holding the sliding member at that position when the holding member is moved to the holding member storage recess is formed on the back surface of the tray. The disk device according to claim 1, wherein 3. A disk drive housing having a large-diameter disk mounting surface formed at an outer peripheral portion and a small-diameter disk mounting member disposed at a central portion, wherein the large-diameter disk and the small-diameter disk are selectively mounted. The outer circumference of the small-diameter disc mounted on the small-diameter disc mounting member is held on the outer peripheral portion of the small-diameter disc mounting member on which the small-diameter disc of the tray to be loaded and ejected on the body is prevented from dropping. The small-diameter disc mounting surface is configured to be rotatable about the loading direction of the tray, and the small-diameter disc mounting surface is rotated by the small-diameter disc mounting member. A disk device characterized in that it can be fixed in a state of protruding from the large-diameter disk mounting surface depending on a moving position.