JP2001155407A - Disk device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a disk device which can prevents such a trouble that a moving part is bought into contact with the disk and stopped on a movement of the moving part because the disk is slipped out of a magazine and, also therefore, the recording surface of the disk is injured. SOLUTION: When the moving part 3 is elevated or lowered, an upper abutting surface 13a or lower abutting surface 13b of a pressing member 13 which is disposed on the moving part 3 is brought into contact with the edge part of disk D which is slipped out of the magazine M. Owing to the moving force of the moving part 3, the upper abutting surface 13a or lower abutting surface 13b, thus, functions so as to push the disk D into the inside of the magazine M.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disk drive having a disk selecting function for selecting any one of a plurality of disks, and more particularly, to pushing a disk or a tray protruding from a disk mounting portion back to the disk mounting portion. It relates to a disk device that can be used.

[0002]

2. Description of the Related Art In a disk drive having a disk selecting function of selecting and driving any one of a plurality of disks, a magazine for accommodating a plurality of disks is generally mounted in a housing. . In the housing, there is provided a moving unit that moves along a disk entrance of the magazine, and the moving unit includes a take-out unit that takes out a tray on which a disk or a disk selected from the magazine is placed, And disk drive means for driving the taken-out disk.

When the moving unit moves, a disk in the magazine is selected, the selected disk or a tray on which the disk is mounted is taken out to the moving unit, and the selected disk is moved to the disk drive. Driven by the unit.

[0004]

However, the above-mentioned conventional disk device has the following problems.

[0005] When vibration such as body vibration is applied while the magazine is loaded in the housing, the disc or tray in the magazine may accidentally jump out in the moving direction of the moving unit. In a model in which the magazine is inserted into the housing with the entrance opening to the magazine facing the housing, the disc or tray easily projects from the entrance of the magazine when the magazine is quickly mounted. If the disk or tray pops out, when the moving unit moves to select a disk, the moving unit hits the disk or tray that is popping out, causing a malfunction or the like. Also, the disc may be damaged.

[0006] In order to prevent the above-mentioned operation failure and the like,
The distance between the entrance of the magazine and the moving unit may be increased in advance so that the moving unit does not hit the protruding disk or tray even if the disk or tray slightly protrudes from the entrance.

[0007] However, if the distance between the entrance of the magazine and the moving section is greatly increased, not only does the miniaturization of the device be hindered, but also when the disk or tray is removed from the entrance of the magazine, the disc being removed is not removed. The tip portion enters into the gap between the magazine and the moving portion and is caught, so that a failure such that the disk or the tray cannot be normally taken out easily occurs.

An object of the present invention is to solve the above-mentioned conventional problems. When a disc or tray accidentally pops out of a disc installation section such as a magazine, the disc or tray is moved by using the moving force of the moving section. It is an object of the present invention to provide a disk device capable of returning a disk to a disk installation section.

It is another object of the present invention to provide a disk drive in which a disk installation section and a moving section can be arranged close to each other, and which can be downsized.

[0010]

According to the present invention, there is provided a disk mounting section having a plurality of disks or a tray on which a plurality of disks are placed, and having an access portion through which the disks or trays enter and exit; A moving unit that moves the disk or the tray in the stacking direction. The moving unit is provided with a take-out unit that takes out the disk or the tray from the disk installation unit or a disk driving unit that drives the disk. In the disk device, the moving unit is provided with a pushing member that pushes a disk or a tray protruding from the entrance / exit unit into the disk installation unit by using a moving force of the moving unit. Is what you do.

According to the present invention, when a disc or tray is inadvertently protruding from the disc installation section, the disc or tray can be returned to the original state by using the moving force of the moving section. Therefore, it is possible to prevent the disc or tray that has accidentally popped out from hitting the moving unit, and it is possible to prevent malfunction or damage to the disc.

According to the present invention, the disc mounting portion may be a device in which a magazine or a tray is stored in a magazine and the magazine is loaded, or a disc mounting portion provided in a housing. The discs may be inserted from outside and placed one by one.

The moving section has only a function of taking out a disk or tray from the disk setting section, and the disk or tray taken out of the moving section may be transferred to another location and driven. Alternatively, both the disk taking-out means and the disk driving means may be mounted on the moving part, and the disk taken out from the disk setting part may be driven on the moving part.

For example, the pushing member has a shape protruding from the moving portion toward the disk mounting portion, and the protruding portion has the disk mounting portion facing the moving direction of the moving portion. An inclined surface or a curved surface facing away from the surface is formed.

Preferably, the inclined surface or the curved surface is formed in both directions in which the moving portion moves.

Further, in the apparatus in which a disk driving means is mounted on the moving part, the pushing member is arranged so as not to protrude in the moving direction from a disk mounting surface of a turntable provided on the disk driving means. Preferably, it is formed.

With the above configuration, it is possible to prevent the disk transferred from the disk installation section onto the turntable from hitting the pushing member. However, the pushing member protrudes from the disk mounting surface of the turntable, and after the disk is taken out to the moving portion so as not to hit the pushing member, the turntable moves in the direction of clamping the disk. It may be something.

Further, in the apparatus in which the moving section is provided with a disk driving means, the disk driving means is supported on a base of the moving section via an elastic member, and the pushing member is provided on the base. It is preferably fixed on top.

[0019]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. FIG. 1 is a side view of an on-vehicle disk device according to the present invention, and FIG. 2 is a partially enlarged view of FIG. 1, showing a relationship between a pushing member and a disk.

In the disk device 1 shown in FIG. 1, a magazine M is detachably mounted on a disk installation portion of a housing 2. The magazine M has a box shape with an opening Ma on one side, and a plurality of disks D are installed in the magazine M at regular intervals in the height direction. It can be pulled out from. Alternatively, a plurality of trays may be inserted into the magazine M so as to be able to be pulled out, and a disc may be installed in each tray.

The disk D may be a CD or a DVD, or each disk is housed in a cartridge such as an MD or a RAM disk, and each cartridge is a magazine M.
It may be housed inside.

Alternatively, a disk mounting portion capable of mounting disks in a plurality of stages in the housing 2 may be provided, and disks may be inserted one by one into the disk mounting portion from the outside of the housing.

In the housing 2, a moving section 3 is supported in a region facing the entrance Ma of the magazine M so as to be movable in the direction in which the disks D are arranged (vertical direction in the figure). Further, in the housing 2, there is provided a selection driving means for moving the moving unit 3 up and down. When the moving unit 3 moves in the direction in which the disks D are arranged, one of the disks D in the magazine M is selected.

The moving section 3 has a movable base 4 formed by pressing a metal plate, and a disk driving means is mounted on the movable base 4. This disk drive means includes a drive base 5 and a clamp arm 6. An elastic support member 9 including a damper 7 and a coil spring 8 is provided on the movable base 4, and the drive base 5 is elastically supported by the elastic support member 9.

A spindle motor 10 is fixed to the lower surface of the drive base 5, and a motor shaft 10 a of the spindle motor 10 projects above the drive base 5.
A turntable T on which a disk D is placed is fixed to the end of the turntable. A pickup (not shown) is supported on the drive base 5 so as to be movable in the radial direction of the disk D, and a drive mechanism for moving the pickup is mounted on the drive base 5 (not shown).

A support 5a is provided on the left end (X2) side of the drive base 5 in the figure, and a rotation shaft 11 is provided on the support 5a. A support piece 6a is provided on the left end side of the clamp arm 6 in the figure, and the support piece 6a is rotatably supported by the rotation shaft 11. Therefore, the clamp arm 6 is rotatable about the rotation shaft 11 in a direction approaching the turntable T and a direction separating from the turntable T. A clamper 12 is rotatably supported at the tip of the clamp arm 6, and the clamper 12 faces the turntable T.

When the clamp arm 6 is rotated in the direction of the turntable T by the force of a spring, the disc D can be held between the turntable T and the clamper 12.

Further, on the movable base 4 of the moving section 3, there is provided a take-out means (not shown) for taking out the disk D (or tray) in the magazine M onto the turntable T. The take-out means is a pair of transfer rollers mounted on the moving unit 3 or the like. In this case, the disc D in the magazine M is slightly pushed out from the entrance Ma by an pushing mechanism (not shown) provided in the housing 2, and the pushed disc D is nipped by the transfer roller and Drawn into.

When the tray is housed in the magazine M, the take-out means is
It is configured with a function of pulling out the selected tray in the X2 direction.

When the moving unit 3 is moved in the Z1 direction or the Z2 direction by the selection driving means, one of the disks D in the magazine M is selected, and the moving unit 3 is stopped at the selected position. In this stopped state, the disc D in the magazine M is taken out from the entrance Ma by the take-out means on the moving unit 3, and the disc D is guided onto the turntable T. Then, in the stopped state, the disk D is clamped on the turntable T and driven to rotate.

The movable base 4 in the X1 direction (the entrance M
A pushing member 13 is provided at an end in the (a direction) and at a central position in the width direction. As shown in FIG. 2, the pushing member 13 has a shape in which a substantially central portion (projecting tip 13 c) in the height direction projects in the illustrated X1 direction. An upper contact surface 13a is formed in an upper end direction (Z1 direction) from the central portion of the surface portion facing the entrance Ma,
A lower contact surface 13b is formed from the center toward the lower end (X2 direction). The upper contact surface 13a and the lower contact surface 1
3b is a Z1 direction, which is a moving direction of the moving unit 3, and a Z2 direction.
It is a linear inclined surface that is inclined in a direction away from the entrance Ma as going in the direction. Alternatively, the upper abutment surface 13a and the lower abutment surface 13b may be curved surfaces extending in a direction away from the entrance Ma as going in the Z1 direction and the Z2 direction.

The pushing member 13 may be formed by attaching a member formed separately from the movable base 4 to the movable base 4, or the pushing member 13 is formed integrally with the movable base 4. You may.

The height position of the upper end (end) of the pushing member 13 is preferably set lower than the disk mounting surface Ta on the turntable T, and more preferably, the disk D is rotated. In this case, it is provided at a position lower than the recording surface of the disk D, including the vibration in the height direction of the disk D.

Thus, when the disk D on the turntable T is rotated, the recording surface of the disk D does not contact the upper end of the pushing member 13 and the magazine M
The transfer of the disk D between the disk and the turntable T can be performed smoothly.

In this disk device, when a command to select a disk is operated, the moving unit 3 is moved upward or downward, which is the direction in which the disks D are stacked, by the selection driving means. Stop at a position in M facing the selected disk D.

When the moving section 3 is moved up and down, the pushing member 13 moves in a region close to the front of the entrance Ma of the magazine M. At this time, as shown in FIG. 2, if any of the discs D in the magazine M is protruding from the entrance Ma in the direction of the moving area of the moving unit 3, the upper contact surface 13a or the lower Interfacing 1
3b corresponds to the tip of the disk D. The upper contact surface 13
Since the a and the lower contact surface 13b are inclined surfaces, the moving force of the moving unit 3 pushes the disk D back into the magazine M.

It is preferable that the magazine M is provided with an urging member for pulling and energizing the disk D in the direction of the magazine M. For example, a pair of leaf springs is provided on the inner surfaces of the walls on both sides of the magazine M, and when the widest (diameter dimension) portion of the disc D gets over the leaf spring, the disc D is pushed into the magazine M by the urging force. Preferably, the structure is retracted. In this case, the position of the tip 13c of the pushing member 13 protruding toward the magazine M is
It is preferable that the disk D is set so that the disk D can be pushed in until the urging force inwardly acts on the disk D.

In the case where the tray is provided in the magazine M, when the tray is pushed into the magazine M to some extent, the tray is thereafter pushed by the biasing force of the leaf spring.
It is preferable that the structure be drawn in. Also in this case, it is preferable that the position of the protruding tip 13c of the pushing member 13 is set so that the tray can be pushed to a position where the tray is pulled into the magazine M by the urging force.

In the above disk device, the moving unit 3 simply moves up and down in the stacking direction of the disks at a position in front of the entrance Ma of the magazine M, and pushes the disk D flying out of the entrance Ma back into the magazine M. be able to. The drive base 5 of the moving unit 3 and the magazine M
Since there is no need to increase the distance between
The disk device can be downsized.

In the pushing member 13, the upper contact surface 13
a and the lower contact surface 13b are located below the disk mounting surface Ta of the turntable T. Therefore, when the moving unit 3 selects the disk D in the magazine M, the pushing member 13 can push back the disk D located below the disk D. Therefore,
When the moving range of the moving unit 3 in the ascending direction is up to a position where the uppermost disk D in the magazine M can be selected,
The function of returning the respective disks D of the second stage or less from above in the magazine M to the magazine M can be exhibited. Or moving part 3
Is set so that it can be moved further upward than the position for selecting the uppermost disk D,
Even when the uppermost disk D pops out, it is possible to return this disk D to the magazine M.

The pushing member 13 is provided not on the driving base 5 or the clamp arm 6 of the moving body 3 but on the movable base 4. Therefore, the pushing member 13
Can be formed relatively large up and down at a position below the disk mounting surface Ta of the turntable T. Therefore, the angle θ (see FIG. 2) between the upper contact surface 13a and the lower contact surface 13b can be increased, and the disc D can be smoothly inserted into the magazine M by the upper contact surface 13a and the lower contact surface 13b. Can be pushed back.

In the present invention, as shown in FIG.
This is particularly effective when the magazine M is loaded with the “a” facing the direction of the housing 2. This is Magazine M
When the disc D is vigorously mounted, the disc D may fly out of the entrance Ma of the magazine M due to an impact at the time of mounting. Even when such a jump occurs, the disk D can be returned into the magazine M by the moving force of the moving unit 3.

[0043]

As described above, according to the present invention, it is possible to push back a disc that has jumped out by using the moving force of the moving section. Can be prevented from occurring. In addition, since a disc or the like can be pushed by using the moving force of the moving unit, a special driving source for pushing back the disc is not required.

[Brief description of the drawings]

FIG. 1 is a side view of an in-vehicle disk device according to the present invention;

FIG. 2 is a partially enlarged view of FIG. 1, showing a relationship between a pushing member and a disc;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Disk device 2 Case 3 Moving part 4 Movable base 5 Drive base 6 Clamp arm 9 Elastic support member 13 Pushing member 13a Upper contact surface 13b Lower contact surface D Disk M Magazine Ma Magazine entrance / exit T Turntable Ta Disk mounting surface

Claims (5)

[Claims] 1. A disk installation part having a plurality of disks or trays on which disks are placed, and a disk installation part having an entrance and exit for the disks or trays to enter and exit, and a stack of the disks or trays facing the entrance and exit parts A moving unit for moving the moving unit in a direction, wherein the moving unit is provided with a take-out unit that takes out a disk or a tray from the disk setting unit or a disk driving unit that drives the disk. A disc member provided with a pushing member for pushing a disc or a tray protruding from the entrance / exit portion into the disc installation portion by using a moving force of the moving portion. 2. The pushing member has a shape protruding from the moving part toward the disk setting part, and the protruding part has the disk setting part facing the moving direction of the moving part. 2. The disk device according to claim 1, wherein an inclined surface or a curved surface facing away from the disk is formed. 3. The disk device according to claim 2, wherein the inclined surface or the curved surface is formed in both directions in which the moving unit moves. 4. The apparatus in which a disk driving means is mounted on the moving part, wherein the pushing member does not protrude in the moving direction from a disk mounting surface of a turntable provided on the disk driving means. 4. The disk device according to claim 1, wherein the disk device is formed. 5. The apparatus in which a disk drive is mounted on the moving unit, wherein the disk drive is supported on a base of the moving unit via an elastic member,
The disk device according to claim 1, wherein the pushing member is fixed on the base.