JP2818257B2 - Drive device for optical memory - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drive device in an optical memory device that records and / or reproduces information using a light beam.

[Conventional technology]

In a drive device of an optical memory device using an optical disk or a magneto-optical disk, generally, a spindle motor for rotating the disk, a pickup for recording / reproducing information on / from the disk, a motor for driving the pickup in a disk radial direction, and a disk A front panel having a cassette insertion port is provided on the front surface of a deck unit having an auto-loading / ejecting mechanism for inserting and removing a cassette accommodating the cassette, and a cassette is inserted into the deck unit from the cassette insertion port of the front panel. I'm trying to get out.

Further, in this type of drive device, in order to take out a cassette which is still attached to a deck unit due to a power failure or a failure of an eject mechanism, for example, it is disclosed in Japanese Utility Model Laid-Open No. 63-40857. As described above, a manual ejection mechanism such as a manual rotation operation unit for manually rotating the ejection motor is provided.

[Problems to be solved by the invention]

However, in a conventional drive device, the front panel is provided by being fixed to a frame holding the deck unit with screws or double-sided tape.
For this reason, if the operation unit of the manual eject mechanism is inside the front panel, and if the cassette is urgently ejected from the deck unit in the event of a power failure or failure of the eject mechanism, removing the front panel is troublesome and time-consuming. Therefore, there is a problem that it takes time for emergency discharge, and there is a problem that the front panel is easily damaged when the front panel is removed.

As a method of solving such a problem, it is conceivable to form an operation opening in the front panel so that an operation unit inside the front panel can be operated from the outside through the front panel. However, there is a problem that the appearance is not preferable.

SUMMARY OF THE INVENTION The present invention has been made in view of such a conventional problem, and has as its object to provide an optical memory drive device appropriately configured so that a front panel can be easily attached and detached with a simple configuration.

[Means and actions for solving the problem]

In order to achieve the above object, according to the present invention, a lock release operation having a resiliently displaceable projection on a front panel having an insertion slot for inserting a recording medium or an apparatus body to which the front panel is attached. And a locking portion provided on the apparatus main body or the front panel so as to be engageable with the projection of the unlocking operation portion. The projection and the locking portion are moved by the elastic force of the unlocking operation portion. Engagement locks the front panel to the main body, displaces the lock release operation portion against its elastic force to release the engagement between the projection and the engagement portion, thereby releasing the front panel. The lock is released so that the lock can be removed from the apparatus main body.

〔Example〕

FIG. 1 is a longitudinal sectional side view showing a first embodiment of the present invention, and FIG. 2 is an exploded perspective view thereof. In this embodiment, a magneto-optical disk device 11 is mounted on an optical memory device 10 of a magneto-optical disk subsystem structure or a built-in type magneto-optical disk personal computer type, and a magneto-optical disk device 11 is mounted by a cooling fan 12 mounted behind the optical memory device 10. The outside air is introduced from the front panel 14 and blows out to the outside. The front panel 14 has an insertion slot for inserting and removing a cassette 15 that contains a magneto-optical disk.
16, a lattice-shaped vent 17 for introducing outside air into the optical memory device 10, and an eject switch 18 for ejecting the mounted cassette 15 from the magneto-optical disk device 11.
Are provided.

The magneto-optical disk device 11 includes a spindle motor 21 for rotating the disk, an optical system movable unit 22 having an objective lens and the like for recording / erasing and reproducing information on / from the disk, a semiconductor laser, a photodetector, and the like. Deck unit 2 having a voice coil motor (VCM) 24 for driving the optical system fixed part 23 and the optical system movable part 22 in the disk radial direction.
5 is provided, and the deck unit 25 is fixed to the frame 27 via the insulator 26. Also, deck unit 25
A holder unit 29 for holding and transporting the cassette 15 via a driving plate 28 for loading and ejecting.
And a drive unit 30 for auto-loading and ejecting, which drives the drive plate 28 in the front-rear direction of the magneto-optical disk drive 11 in front of the deck unit 25.
And a field unit 32 having a field coil 31 on the rear side. Further, a front cover unit 33 is provided at the front end of the deck unit 25, and a rear cover 34 is provided at the rear end.

Further, the front cover unit 33 has an opening 35 at a portion corresponding to the insertion opening 16 of the front panel 14, and an opening / closing lid 36 is provided at the opening 35 so that the cassette 15 can be inserted and removed through the insertion opening 16. . The opening / closing lid 36
Is in the mounted state and the non-mounted state of the cassette 15,
The opening 35 is configured to be closed by urging means (not shown).

Further, below the deck unit 25, a power control of the semiconductor laser in the optical system fixing unit 23, an information reading processing circuit from the disk, an optical system A drive substrate 37 having a control circuit and the like for the VCM 24 for driving the 22 in the disk radial direction,
A main circuit for controlling the magneto-optical disk drive based on a command from the host, a controller board 38 having a circuit for decoding commands and correcting errors, and the like are provided facing and separated from each other. The drive board 37 is held on the base member of the deck unit 25, and the controller board 38 is connected to and held on the drive board 37 by a board-to-board connector capable of electrical connection and mechanical holding. The harnesses 39 and 40 from the deck unit 25 are connected to the base member of the deck unit 25 and the front cover unit 33 or the rear cover 34.
Rubber or sponge-like sealing member between (not shown)
To be pinched.

The mechanism on the deck unit 25 is tightly engaged with the front cover unit 33, the rear cover 34, and the deck unit 25, and is surrounded by the dustproof cover 41.

In this embodiment, a rack 45 as shown in FIG. 3 is attached to a driving plate 28 for loading / ejection, and a motor 46 and a worm gear 47, a worm wheel 48, etc. are attached to a driving unit 30 for auto loading / ejection. A gear mechanism 49 having a motor 46, a gear mechanism 49 and a rack 45.
To drive through. Also, in order to be able to discharge the cassette 15 from the deck unit 25 in the event of a power failure or failure of the loading / ejection mechanism, an emergency discharge operation section 51 is provided connected to the output shaft of the motor 46 of the drive unit 30. The output shaft of the motor 46 can be rotated by manually operating the discharge operation unit 51 via a driver or the like through an emergency discharge operation hole 52 formed in the front cover unit 33 with the front panel 14 removed. To do. The hole 52 for emergency discharge operation is usually a rubber cap
Blocked by 54.

Also, on the front panel 14 side of the drive substrate 37,
A check terminal 53 such as a check terminal for checking the operation of each part in adjustment or the like and / or a display unit for displaying a failed part when a failure occurs is provided.

Hereinafter, the attachment / detachment mechanism of the front panel 14 will be described.

As shown in the enlarged perspective view of FIG. 4, the frame 27 is attached to and detached from the front panel 14 along the attaching / detaching direction of the front panel 14 inside the both side surfaces 55, in this embodiment, in the inserting direction of the cassette 15. And a lock release operation portion 58 for attaching and detaching the front panel 14 is provided on the bottom surface 57. Lock release operation part 58
Is an operation portion 59 extending over substantially the entire width of the front panel 14, and two elastically deformable opposing sides 60 continuous with the operation portion 59.
Are formed in a U-shape, and the opposite ends of both sides 60 are fixed to both side edges of the bottom surface 57 of the frame 27, respectively, and these ends are respectively raised, and a front panel is formed on the raised portion. Spring part that urges in the direction to remove 14
Form 61. In addition, on both side edges near the operation unit 59,
A projection 62 that engages with a later-described locking portion of the front panel 14.
Are formed respectively.

On the other hand, the front panel 14 is provided with guide plates 65 inside the side edges thereof along the insertion direction of the cassette 15. These guide plates 65 have a frame along the insertion direction of the cassette 15.
A notch 66 is formed to engage with the guide 56 formed at 27, a contact portion 67 that contacts the spring portion 61 of the unlocking operation portion 58 at the insertion distal end, and a unlocking operation portion 58 at the bottom. A locking portion 68 that engages with the projection portion 62 of the projection is formed.

With this configuration, in the device of the front panel 14, as shown in FIG. 5A from the state shown in FIG. When it is engaged and inserted, the projection 62 of the unlocking operation section 58 contacts the bottom of the guide plate 65 and the side 60
Is displaced downward due to the elasticity of. Thereafter, the contact portion 67 at the tip of the guide plate 65 contacts the spring portion 61 of the lock release operation portion 58,
When the front panel 14 is further pushed in against the spring force of the spring portion 61, the projecting portion 62 is returned to the bottom of the guide plate 65 by the restoring force of the side 60 of the unlocking operation portion 58 as shown in FIG. Of the spring portion.
It is effectively held by the spring force of 61, whereby the front panel 14 is locked to the frame 27.

When the front panel 14 is detached from the frame 27, as shown in FIG.
Inserting a coin 71 or a ball-point pen or the like from an arbitrary hole of the ventilation hole 17 of this, the operation unit 59 of the unlock operation unit 58 is displaced downward against the spring force as shown in FIG. Protrusions 62 of lock release operation part 58 and locking parts of guide plate 65
When disengaged from 68, the front panel 14 is
As shown in FIG. 7, the slider pops out to a position where it is not re-locked by the restoring force of the spring portion 61 of the unlocking operation section 58. Thereafter, the front panel 14 can be removed by pulling it out along the guide 56 of the frame 27.

Thus, according to this embodiment, the front panel 14
Can be easily attached to and detached from the frame 27, so that the emergency operation of discharging the cassette 15 from the deck unit 25 at the time of the above-described power failure or failure of the loading / ejection mechanism can be easily performed.
The adjustment by 53 and the operation of confirming the failure part can be easily performed.

FIGS. 7 and 8 show the structure of the main part of a second embodiment of the present invention. This embodiment uses the front panel
14 is provided with an unlocking operation portion 75 and a frame 27 is provided with a locking portion 76, and the other configuration is the same as that of the first embodiment.
As shown in FIG. 7, the unlocking operation section 75 is formed inside one or both side edges of the front panel 14 by integral molding with the front panel 14. A guide plate is provided on the unlocking operation section 75 via an elastically deformable portion 77.
At the same height as the notch 66 of 65, there is provided an operation section 78 extending in the cassette insertion direction from the hole of the ventilation port 17 and
A projection 79 projecting downward is provided at the tip of the operation unit 78. Further, the front panel 14 is provided integrally with an elastic piece 80 which is in contact with a rising portion provided on the frame 27 described later inside the front panel 14.

On the other hand, as shown in FIG. 8, the frame 27 has a guide 56 which engages with the notch 66 of the guide plate 65 of the front panel 14.
At the front end in the cassette insertion direction, a locking portion 76 that engages with a projection 79 provided on the front panel 14 is provided, and a rising portion 81 that contacts an elastic piece 80 provided on the front panel 14 is provided on the bottom surface 57. .

According to this embodiment, when the front panel 14 is mounted, as in the first embodiment, the front panel 14 is locked by inserting the notch 66 of the guide plate 65 into the guide 56 of the frame 27. The projection 79 of the release operation section 75 is a frame
27 is in contact with the upper surface of the guide 56 and moves while being rotationally displaced about the elastic deformation portion 77. Then the front panel 14
The elastic pieces 80 provided on the front panel 14 abut against the rising portions 81 provided on the frame 27, and resist the spring force of the elastic pieces 80.
9A, the protrusion 79 of the unlocking operation portion 75 passes over the upper surface of the guide 56 of the frame 27, and the restoring force of the elastic deformation portion 77 causes the protrusion 79 to engage the guide 56. The front panel 14 is locked to the frame 27 while engaging with the stop portion 76 and effectively maintaining the engaged state by the spring force of the elastic piece 80.

When the front panel 14 is detached from the frame 27, as shown in FIG.
A ballpoint pen 85 or a coin or the like is inserted through the ventilation hole 17 of the lock, thereby displacing the operation portion 78 of the lock release operation portion 75 and engaging the projection 79 of the lock release operation portion 75 with the locking portion 76 of the guide 56. When the mating is released, the front panel 14
Jump out to a position where it will not be re-locked by the restoring force of 80. Thereafter, the front panel 14 can be removed by pulling it out along the guide 56 of the frame 27.

Thus, also in this embodiment, the front panel
14 can be easily attached to and detached from the frame 27, so that the operation of urgently discharging the cassette 15 from the deck unit 25, the adjustment by the check unit 53, and the operation of confirming the failed part are easy as in the first embodiment. Can be done.

It should be noted that the present invention is not limited to the above-described embodiment, and various modifications or changes can be made. For example, in the first embodiment, the protrusion 62 provided on the unlocking operation portion 58 of the frame 27 is formed into a hemisphere,
May be formed as a circular hole formed in a flat surface. In the above-described embodiment, the front panel
Although a means to elastically bias in the direction to remove 14 was provided,
Such an urging means may be omitted. further,
The present invention can be effectively applied not only to the above-described magneto-optical disk device but also to an optical disk device and other optical memory drive devices.

〔The invention's effect〕

As described above, according to the present invention, the front panel or the apparatus main body is provided with the unlocking operation portion having the elastically displaceable projection, and the engagement with the projection of the unlocking operation portion is provided. The front panel is locked to the apparatus main body by providing a portion on the device main body or the front panel, and the projection and the locking portion are engaged by the elastic force of the unlocking operation portion, and the unlocking operation portion is opposed to the elastic force. The front panel is unlocked and can be removed from the apparatus main body by disengaging the projection and the locking part to disengage the front panel, so that the front panel can be easily attached and detached with a simple configuration. Therefore, it is possible to easily perform an emergency discharge operation and adjustment of the cassette from the deck unit at the time of a power failure or a failure of the loading / ejection mechanism.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional side view showing a first embodiment of the present invention, FIG. 2 is an exploded perspective view thereof, FIG. 3 is a perspective view showing a configuration of a main part of a driving plate for loading / ejection, FIG. FIGS. 5A to 5C and FIGS. 6A to 6C are views for explaining a front panel attaching / detaching operation, and FIGS. 7 and 8 are diagrams showing the structure of a front panel attaching / detaching mechanism. FIG. 9A and FIG. 9B are diagrams showing a configuration of a main part of the second embodiment, and FIG. 9A and FIG. 10: Optical memory device, 11: Magneto-optical disk device 14: Front panel, 15: Cassette 16: Insertion port, 17: Vent port 18: Eject switch 25: Deck unit, 26: Insulator 27 … Frame 28 …… Loading / ejection drive plate 29 …… Holder unit 30 …… Auto loading / ejection drive unit 37 …… Drive board, 38 …… Controller board 45 …… Rack, 46 …… Motor 49 …… Gear mechanism, 51 Emergency discharge operation part 52 Emergency discharge operation hole, 53 Check part 55 Side, 56 Guide 57 Bottom 58 Unlock operation part 59 Operation part , 60 ... elastic side 61 ... spring part, 62 ... projection part 65 ... guide plate, 66 ... notch 67 ... abutment part, 68 ... locking part 75 ... lock release operation part, 76 … Locking part 77… Elastic deformation part, 78… Operation part 79: Projection, 80: Elastic piece 81: Stand-up part

Claims (1)

(57) [Claims] An unlocking operation section having an elastically displaceable projection on a front panel having an insertion opening for inserting a recording medium or an apparatus main body to which the front panel is attached; A locking portion provided on the apparatus main body or the front panel so as to be engageable with the projection of the operating portion, wherein the projection and the locking portion are engaged by an elastic force of the lock release operating portion to thereby engage the front. The front panel is unlocked by locking the panel to the apparatus body, displacing the unlocking operation section against its elastic force to release the engagement of the projection and the locking section, and A drive device for an optical memory, wherein the drive device is configured to be detachable from a device main body.