JP3432368B2 - Disk cartridge loading device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disk cartridge loading device in a disk cartridge player for recording and reproducing information on a mounted disk cartridge.

[0002]

2. Description of the Related Art Conventionally, as a loading device for a disc cartridge, for example, a disc tray for a mini disc player equipped with a guide device for a mini disc is disclosed in Japanese Patent Laid-Open No. 7-57365.

The disc tray for a mini disc player has a tray cover having rack gears formed thereon. When the disc tray moves, the tray cover automatically opens and closes the disc storage groove of the disc tray by interlocking the moving plate, the double gear and the first pinion.

The disc tray is accurately guided between the reproducing position and the pulling position by the protruding portion of the tray holder which penetrates the holes of the drive plate, the side plate and the boarding / alighting plate.
In this way, the guide device having a simple structure ensures the reliable loading of the mini disk cartridge and further enables the automatic loading.

[0005]

However, in the disc tray for a mini disc player described above as a conventional disc cartridge loading device, a plurality of constituent members are provided on the upper surface of the disc cartridge (in this case, a mini disc). However, there is a problem in that it is difficult to directly see the mounted disk cartridge through the top surface of the loading device and the outside of the set.

Further, there is a problem in that the disk cartridge needs to have a depth larger than that required for moving it, and the occupied space for the disk cartridge becomes large, resulting in an increase in the size of the entire apparatus.

The present invention solves the above-mentioned problems of the prior art. Even while the disc cartridge is being driven, information about the recorded contents can be obtained directly from the disc cartridge, and the operability is improved by including this information. (EN) Provided is a disk cartridge loading device which can be made compact and can be simplified in structure by reducing the number of parts.

[0008]

In order to solve the above-mentioned problems, in a loading device for a disc cartridge according to the present invention, at least one of the upper surface portion and the side surface portion of the disc cartridge held in the holder has the surface of the device. The feature is that it can be seen directly from the outside.

Further, the present invention is characterized in that the disk cartridge is fixed without using a lock member, and that a member for preventing erroneous insertion of the disk cartridge is unnecessary.
As described above, even while the disc cartridge is being driven, the information about the recorded contents can be obtained directly from the disc cartridge, and the operability can be improved by including the information, and the number of parts can be reduced. Can be simplified, and the entire device can be reduced in size and weight.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A disk cartridge loading device according to claim 1 of the present invention is a disk cartridge player for recording / reproducing information on / from a disk-shaped recording medium included in a disk cartridge.
A loading device for a disc cartridge that moves the disc cartridge and loads it at a predetermined position during the recording / reproducing, and a holding means for fixing and holding the disc cartridge inserted in the disc cartridge player; The carrying means for carrying the holding means so that the disk cartridge held by the means is located at the predetermined position, and the disk in the disk cartridge held by the holding means are played at the playing position of the carrying means. and recording and playback means for recording in the recording position and, by driving the conveying means, and a driving means for moving said holding means and recording and playback means by the movement of the conveying means by the drive, the means, the holding The disc cartridge held by the means is With make up so as not to, before
The transport means is provided with a speed increasing means that is rotatably attached.
At the same time, the holding means is movably attached in a predetermined direction,
The speed-increasing means, one end of which is engaged with the holding means,
Whether the transporting device is attached to or detached from the disc cartridge
From the disc cartridge to the playback standby position.
Function so that the amount of movement of the bag is larger than that of the above-mentioned transportation means.
To configure. According to this configuration, the holding state is
At least the top and side surfaces of the disk cartridge
One side is directly visible from the outside of the device, and
The loading amount for the disc cartridge
More, protruding from the front of the device when inserted
Increase the amount. The disk cartridge according to claim 2.
The loading device of claim 1 is a disc car according to claim 1.
It is a loading device for the ridge,
Is it the playback standby position for the disc cartridge of the feeding means?
From the disc cartridge to the playback position
Is configured so that it does not move. In this configuration
According to the disc car without using the locking member
The ridge is fixed. The disc car according to claim 3.
The loading device for the tridge is claim 1 or claim.
With the disk cartridge loading device described in 2.
Therefore, the speed-increasing means is engaged with the retaining means at the engaging portion.
A structure provided with a pressing means for pressing the holding means in an arbitrary direction,
To do. According to this configuration, the spring member is the disc cart.
It absorbs the position error when fixing the ridge. In claim 4
The disk cartridge loading device described is
The disc cart according to any one of claims 1 to 3.
A ridge loading device, wherein the transport means is
Playback standby position from the attachment / detachment position for the disc cartridge
The disk cartridge horizontally when moving
Move to the playback standby position in the same direction and record / playback
The means is configured to be rotated and raised. With this configuration
And another disk car while driving the disk cartridge.
Even if the cartridge is inserted, the disc cartridge
The gadget itself plays a role in preventing incorrect insertion, and to prevent incorrect insertion.
The member of is unnecessary. Disc cart according to claim 5.
The ridge loading device is defined by any one of claims 1 to 4.
Loading any of the disc cartridges
A device that moves parallel to the moving direction of the transport means
A rack means freely attached is provided, and the rack means
Is pressed by the spring member in any direction,
The driving force from the driving means to the conveying means flattens the conveying means.
Configure to go to a row. According to this configuration,
Push the disc cartridge when inserting the cartridge
By this, the pushing force that moves the transport means is applied to the spring member
It is possible to easily adjust by the force.

[0011]

[0012]

[0013]

[0014]

[0015]

[0016]

[0017]

Hereinafter, a disk cartridge loading device showing an embodiment of the present invention will be described with reference to FIGS.
It will be described in detail with reference to FIG. FIG. 1 is a perspective view showing the overall configuration of a disk cartridge loading device according to the present embodiment. As shown in FIG. 1, this disk cartridge loading device is a holder unit 100 as a holding means for fixing and holding a disk cartridge 10 containing a disk-shaped recording medium.
And a recording / reproducing unit 2 as a recording / reproducing means for reproducing and recording the disc cartridge 10.
00, a transport unit 300 as a transport means for moving the holder unit 100, and the transport unit 3
Chassis unit 40 having drive means for driving 00
It is composed of 0 and.

2 is an exploded perspective view of the holder unit 100, FIG. 3 is an exploded perspective view of the recording / reproducing unit 200, and FIG.
5 is an exploded perspective view of the transport unit 300, FIG. 5 is an exploded perspective view of the chassis unit 400, FIG. 14 is a perspective view of the disk cartridge 10, and the exploded perspective views shown in FIGS. 2 to 5 and 14 are respectively The front surface, the right side surface, and the upper surface of FIG.

The structure of the holder unit 100 will be described. The holder unit 100 includes a hold mechanism for supporting and holding the disk cartridge,
A mechanism to open and close the shutter of the disk cartridge,
A mechanism for pressing the disk cartridge against the recording / reproducing unit is provided, and each mechanism is attached to the top cover 1 shown in FIG.

As shown in FIG. 2, the hold lever (L)
2 has a convex portion 2a, and the convex portion 2a is attached to the top cover 1
In the state of being fitted in the concave portion 1 a of the above, it is sandwiched and held by the holder (L) 4 fixed to the top cover 1 by the screw 7 and the top cover 1. At this time, the tip end cam portion 2b of the hold lever (L) 2 is moved to the leaf spring portion 2c.
It can be rotated by.

On the other hand, the hold lever (R) 3 has a convex portion 3
In the state in which the convex portion 3a is fitted in the concave portion 1b of the top cover 1, it is sandwiched and held by the holder (R) 5 fixed to the top cover 1 by the screw 7 and the top cover 1. ing. At this time, the tip end cam portion 3b of the hold lever (R) 3 is rotatable by the leaf spring portion 3c.

Therefore, in the hold lever (L) 2 and the hold lever (R) 3 on both sides, the tip cam portion 2b and the tip cam portion 3b are engaged with the recess 10a of the disk cartridge 10 shown in FIG. Thus, the disc cartridge 10 is supported.

The shutter slider 8 is inserted into the recess 1c of the top cover 1 and the recess 5a of the holder (R) 5 with its end face fitted, and is sandwiched between the top cover 1 and the holder (R) 5 to release the shutter. It is held slidably in the opening and closing direction. Further, the shutter slider 8 has a spring portion 8a at its tip,
This spring portion 8a is shown in FIG.
0 shutter recess 10b is engaged.

The holding spring (L) 9 is rotatably attached to the top cover 1 with its supporting portion 9a being engaged with the hook portion 1d of the top cover 1, and is shown in FIG. It is configured to press the upper surface of the disk cartridge 10 shown.

Each holder shaft 6 is attached by caulking to the holder (L) 4 and the holder (R) 5 so as to freely move on the transport unit 300. The configuration of the recording / playback unit 200 will be described.

As shown in FIG. 3, the recording / reproducing unit 200 includes a recording / reproducing device 11, a TRV frame 12 holding the recording / reproducing device 11, a turntable 11a of the recording / reproducing device 11, an optical pickup 11b, and a magnetic head 11c. A motor (not shown) for driving the head, a head shifter 1 for raising and lowering the magnetic head 11c of the recording / reproducing apparatus 11.
It has 3 mag.

The recording / reproducing device 11 is fixed to the TRV frame 12 with screws 14. Further, in the head shifter 13, the rotary shaft 13 a has the hole 12 of the TRV frame 12.
The magnetic head 11c is rotated by engaging with a and is rotatable. The head shifter 13 has a convex portion 13b on one side surface, and is configured to rotate while engaging the convex portion 13b with a cam groove of the transport unit 300 described later.

The TRV frame 12 has its rotating shaft 12b.
Is rotatable by engaging with the hole 21b of the chassis 21 of the chassis unit 400 shown in FIG. The TRV frame 12 has convex portions 12c on both side surfaces, and the TRV frame 12 is configured to rotate while engaging the convex portions 12c with the cam grooves of the transport unit 300 described later.

The structure of the transport unit 300 will be described. As shown in FIG. 4, the transport unit 300 has a slide rack 15 as a rack means to which a driving force is transmitted from a drive system described later, and a cam groove for driving the holder unit 100 and the recording / reproducing unit 200 by the drive. It has a slider 20 and the like. The direction of the arrow a in the figure indicates the disk cartridge 1 of the slider 20.
The moving direction from the attachment / detachment position to the reproduction position and the recording position with respect to 0 (the direction from the outside to the inside of the set) is shown, and the direction of the arrow b is opposite to the direction a, that is, the slider 20 with respect to the disc cartridge 10. It shows a moving direction from the reproduction position and the recording position to the attachment / detachment position (direction from inside the set to outside).

The slide rack 15 has its hook portion 15
By engaging a with the groove portion 20a of the slider 20, the slider 20 is movably attached in the a and b directions. Further, the slide rack 15 is normally pressed by the rack spring 19 in the a direction.

The slider 20 reciprocates in the a and b directions with respect to the chassis 21 by engaging the convex portions 20h provided on both sides of the slider 20 with the concave portions 21a of the chassis 21 in the chassis unit 400 shown in FIG. It is movably attached.

In this state, the cam groove portion 2 of the slider 20
0b is engaged with the convex portion 12c of the TRV frame 12 in the recording / reproducing unit 200 described above, and the cam groove portion 20c.
Is engaged with the convex portion 13b of the head shifter 13, so that when the slider 20 moves in the direction a and is located at the reproduction position, the recording / reproduction device 11 is pivotally raised at the reproduction position to move the disk cartridge 10 to the disk cartridge 10. To be reproducible,
Further, by moving in the a direction and being positioned at the recording position, the magnetic head 11c pivots and descends to enable recording on the disk cartridge 10.

A switch cam groove 16 is fixed to the slider 20, and the switch cam groove 16 is attached to the chassis 21 via a switch lever described later as the slider 20 moves in the a and b directions. Slider 2 by turning on / off the attached switch
Each position such as a mounting / removing position with respect to the disk cartridge 10 of 0, a reproducing position, and a recording position is detected.

Further, a back lever 17 as a speed increasing means is attached to the slider 20 in a state where a rotation center shaft 17a thereof is rotatably supported by a rotation center 20d of the slider 20, and c and It is rotatable in the d direction. The hole 17b of the back lever 17 is engaged with the holder shaft 6 of the holder unit 100 via the hole groove 20e of the slider 20. At this time, the back lever spring 18 as one of the pressing means, one end of which is fixed to the back lever 17, contacts the holder shaft 6 and constantly presses the holder shaft 6 in the c direction.

On the other hand, the convex portion 17c of the back lever 17 is
It engages with the cam groove 21c of the chassis 21 shown in FIG. 5 through the hole 20f of the slider 20. At this time, the groove portion 20g of the slider 20 guides the convex portions 4a and 5b of the holder (L) 4 and the holder (R) 5.

The configuration of the chassis unit 400 will be described. In this chassis unit 400, various drive mechanisms that drive the slide rack 15 of the above-described transport unit 300 and the TRV frame 12 of the recording / reproducing unit 200 for reproducing and recording the disk cartridge 10 supported and held by the holder unit 100. A mechanism for rotating and supporting the rotating shaft 12b is attached to the chassis 21 as a fixed frame shown in FIG.

As shown in FIG. 5, the drive motor 22 is mounted on the loading board 30 attached to the back side of the bottom surface of the chassis 21, and is disposed in the recess 21d of the rear surface opening formed in the chassis 21. ing. Drive motor 2
The speed reduction part to which the driving force of 2 is transmitted is the motor pulley 2
3, a belt 24, a pulley gear 25, a relay gear 26, a cam gear 27, a gear a28, and a drive gear 29.

Further, the switch lever 31 is attached to the chassis 2
The convex portion 31a is supported by the rear surface shaft portion 21e of No. 1 and rotates by following the switch cam groove 16 on the slider 20 to turn ON / OFF the switch 32 mounted on the loading substrate 30.

The basic operation of the disk cartridge loading device will be described. 6 and 7 are schematic side views for explaining the basic operation of the loading device for the disc cartridge in the embodiment configured as described above, and particularly, the disc cartridge 10 and the holder (R) with respect to the operating position of the slider 20. ) 5, the holder shaft 6, the back lever 17, the back lever spring 18, the cam groove 21c of the chassis 21 and the like are shown in a positional relationship.

In FIG. 6, A is a mounting / dismounting position for mounting / dismounting the disc cartridge 10, and B is a disc cartridge 1.
It shows the playback standby position for waiting playback for 0,
In FIG. 7, C indicates a reproduction position for reproducing on the disc cartridge 10, and D indicates a recording position for recording on the disc cartridge 10. At each position A to D, the disc cartridge 10 is locked and supported by the hold lever (L) 2 and the hold lever (R) 3 in the holder unit 100.

Further, A to D in FIGS. 8 and 9 represent the same positions as the respective positions A to D in FIGS. 6 and 7, and similarly to FIGS. 6 and 7, the disk of the present embodiment. It is a schematic side view explaining the basic operation of the loading device of the cartridge. However, here, in particular, the positional relationship of the disk cartridge 10, the recording / reproducing unit 200, the head shifter 13, the chassis 21 and the like with respect to the operation of the slider 20 and the positions of the cam groove portions 20b and 20c is shown.

At the attachment / detachment position of the disc cartridge 10 shown in FIGS. 6 and 8A, the disc cartridge 10 can be attached / detached from the outside of the set. Further, at this time, the recording / reproducing unit 200 is positioned below by the cam groove portion 20b of the slider 20.

At the reproduction standby position shown in FIGS. 6 and 8, from the attachment / detachment position A, the disk cartridge 10 in the holder unit 100 is set inside the set via the holder shaft 6 by the back lever 17 mounted on the slider 20. Move in the direction a. At this time, since the convex portion 17c of the back lever 17 moves along the cam groove 21c of the chassis 21, the back lever 17 rotates in the c direction. Therefore, the movement amount Y of the disk cartridge 10 can be transferred more than the movement amount X of the slider 20. At this position, the holder unit 100
Fixed by hitting the stopper portion 21f of the chassis 21,
It is in a state of being pressed by the back lever spring 18.

At the reproduction position shown in C of FIGS. 7 and 9,
The slider 20 further moves in the a direction from the reproduction standby position B. At this time, since the convex portion 17c of the back lever 17 moves along the cam groove 21c of the chassis 21, the back lever 17 rotates in the d direction and the holder unit 10
0 remains fixed. Also, slider 2
0 cam groove 20b and TRV frame 12 protrusion 12c
Is engaged, the recording / reproducing device 11 of the recording / reproducing unit 200 is rotated upward in the e direction to bring the disc cartridge 10 into a reproducing state.

At the recording position shown in D of FIGS. 7 and 9,
The slider 20 further moves from the reproduction position C in the a direction by the Z amount. At this time, since the convex portion 13b of the head shifter 13 is engaged with the cam groove portion 20c of the slider 20,
The magnetic head 11c of the recording / reproducing apparatus 11 of the recording / reproducing unit 200 is rotated downward in the g direction to put the disk cartridge 10 into the recording state. At this time, the turntable 11a and the optical pickup 11b of the recording / reproducing apparatus 11 remain fixedly held at the same position as the reproducing position C described above.

Therefore, the transitions of the respective positions shown in FIGS. 6 to 9 are reciprocated in the order of ABCD. In other words, if a playback instruction is issued from the attachment / detachment position, A-
If you move from B to C and give a detachment instruction from this position, C
It will change in the order of -BA. Also, if a recording instruction is given from the reproduction position, it will move in the order of CD.

The loading start operation from the attachment / detachment position will be described. FIG. 10 is a side view showing the operation of the transport unit 300 when the loading of the disc cartridge is further started from the attachment / detachment position A in the loading device for the disc cartridge of the present embodiment, and FIG. The figure is shown.

At the attaching / detaching position shown in FIGS. 10 and 11,
When the disc cartridge 10 inserted into the holder unit 100 is locked by the hold lever (L) 2 and the hold lever (R) 3, and the disc cartridge 10 is further pushed in the a direction in that state, the disc cartridge 10-the holder unit 100- Holder shaft 6-
The slider 20 is moved in the a direction via the back lever 17.

At this time, the slide rack 15 meshed with the drive gear 29 composed of the speed reduction system mounted on the chassis 21 hardly moves, and the rack spring 19 bends in the i direction. Next, the switch lever 3 which was pressed in the k direction by the switch cam groove 16 fixed on the slider 20.
When 1 rotates in the l direction and the switch 32 on the loading substrate 30 is turned off, the drive motor 22 starts to operate, and the slider 20 is loaded in the a direction.

The operation of the back lever spring portion will be described. 12 and 13 are side views for explaining the operation of the back lever 17 portion at the attachment / detachment position A and the reproduction standby position B in the disk cartridge loading device of the present embodiment.

In the attachment / detachment position shown in FIG. 12, the holder shaft 6 supporting the holder unit 100 is moved by the back lever spring 18 to the side surface 17d of the hole of the back lever 17.
It has been pressed to.

Next, at the reproduction standby position shown in FIG. 13, the holder unit 100 contacts the stopper portion 21f of the chassis 21. At this time, the holder shaft 6 is separated from the hole side surface 17d of the back lever 17.

Therefore, while the holder unit 100 is being pressed by the stopper portion 21f of the chassis 21,
That is, during BCD, the holder shaft 6 is separated from the hole side surface 17d of the back lever 17 and is opposed to the hole side surface 17d.
With the clearance 17f on the e side, the holder unit 10
It is configured to absorb the stop error of 0.

[0055]

As described above, according to the present invention, at least one of the upper surface portion and the side surface portion of the disk cartridge held in the holder can be seen directly from the outside of the apparatus.

Further, according to the present invention, it is possible to increase the loading amount of the disc cartridge and increase the protrusion amount of the disc cartridge from the front surface portion of the device at the time of insertion.

Further, according to the present invention, the disk cartridge can be fixed without using a lock member. Further, according to the present invention, the spring member can absorb a position error when fixing the disc cartridge.

Further, according to the present invention, even if another disk cartridge is inserted while the disk cartridge is being driven, the disk cartridge itself being driven serves to prevent erroneous insertion, and a member for preventing erroneous insertion is provided. It can be unnecessary.

Further, according to the present invention, by pushing the disc cartridge when the disc cartridge is inserted, the pushing force for moving the conveying means can be easily adjusted by the spring force of the spring member.

Therefore, even while the disc cartridge is being driven, information regarding the recorded contents can be obtained directly from the disc cartridge, and the operability including this can be improved and the number of parts can be reduced. Thus, the configuration can be simplified, and the entire device can be reduced in size and weight.

[Brief description of drawings]

FIG. 1 is a perspective view of a disk cartridge loading device according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of a holder unit according to the same embodiment.

FIG. 3 is an exploded perspective view of a recording / playback unit according to the same embodiment.

FIG. 4 is an exploded perspective view of a transport unit according to the same embodiment.

FIG. 5 is an exploded perspective view of a chassis unit according to the same embodiment.

FIG. 6 is an operation explanatory view of the back lever at the attachment / detachment / reproduction standby position of the same embodiment.

FIG. 7 is an explanatory diagram of the operation of the back lever at the playback / recording position of the same embodiment.

FIG. 8 is an operation explanatory diagram of the recording / playback unit at the attachment / detachment / playback standby position of the embodiment.

FIG. 9 is an operation explanatory diagram of the recording / playback unit at the playback / recording position of the same embodiment.

FIG. 10 is a side view for explaining a loading start operation from the attachment / detachment position of the embodiment.

FIG. 11 is a plan view illustrating a loading start operation from the attachment / detachment position of the embodiment.

FIG. 12 is a detailed side view of the back lever spring portion at the attachment / detachment position of the same embodiment.

FIG. 13 is a detailed side view of the back lever spring portion at the reproduction standby position according to the same embodiment.

FIG. 14 is a perspective view of a disc cartridge used in the same embodiment.

[Explanation of symbols]

15 slide rack 17 Back lever 18 Back lever spring 100 holder unit 200 recording / playback unit 300 transport units 400 chassis unit

Claims (5)

(57) [Claims] 1. A disc cartridge player for recording / reproducing information on / from a disc-shaped recording medium included in the disc cartridge, wherein the disc cartridge is moved and loaded at a predetermined position when the recording / reproducing is performed. And holding means for fixing and holding the disk cartridge inserted in the disk cartridge player, and carrying the holding means so that the disk cartridge held by the holding means is located at the predetermined position. Conveying means, recording / reproducing means for reproducing the disc in the disc cartridge held by the holding means at the reproducing position of the conveying means and recording at the recording position, and by driving the conveying means. By moving the conveying means, the holding means and And a driving means for moving the fine recording and playback means, the means for the disc cartridge held by the holding means, with on its upper surface a direction configured to no member, said conveying means, Freely rotatable
The speed increasing means attached to the
It is attached so as to be movable in a predetermined direction, and the speed increasing means is
The end of the carrier is engaged with the holding means,
Move from the attachment / detachment position to the playback position to the playback standby position
When moving, the amount of movement of the disc cartridge
A loading device for a disc cartridge configured to act more than a means . 2. A disc cart as a conveying means , which is a speed increasing means.
When moving from the playback standby position to the playback position for the ridge
The disk cartridge loading device according to claim 1, wherein the disk cartridge loading device is configured so as to prevent the disk cartridge from moving . 3. The speed-increasing means is provided with an engaging portion with the holding means.
A pressing means for pressing the holding means in any direction is provided .
The loading device for the disk cartridge according to claim 1 or 2. 4. A disk cartridge for carrying means
When moving from the attachment / detachment position to the playback standby position,
Put the disc cartridge horizontally in the playback standby position.
Move up to and rotate the recording / playback means
The loading device for a disc cartridge according to any one of claims 1 to 3 , which is configured as described above. 5. A transfer means is moved in parallel with a moving direction thereof.
A rack means freely attached is provided, and the rack means
Is pressed by the spring member in any direction,
The driving force from the driving means to the conveying means flattens the conveying means.
The disk cartridge loading device according to any one of claims 1 to 4, wherein the device is configured to move in a row .