JP2751871B2 - Disc player - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] BACKGROUND OF THE INVENTION 1. Field of the Invention
An optical disk is encased via a disk transfer body that is operated
Disk table that constitutes the disk playback unit
Loading operation on the
On the disk table in connection with loading operation on the table
An optical disk that is clamped to
Related to a disc player. [0002] 2. Description of the Related Art Conventionally, light emitted from a light source such as a semiconductor laser is
Irradiates the optical beam to the optical disc,
Play recorded information signals such as audio signals and video signals
Optical disc player is used.
You. [0003] As this kind of disc player,
That is transported over the inside and outside of the housing that constitutes the
A disk transfer unit is provided, and the disk is transferred via the disk transfer unit.
Transfer the disc to the disc playback position in the player
It was proposed to load it into the disc playback unit.
I have. Also, an optical disk using an optical disk as a recording medium.
In a disc player, the optical disc rotates at high speed
Operated. Therefore, the optical disk rotates this.
The rotating operation is performed integrally with the disc table
To the disc table by clamping means
It is configured to be pumped. [0005] By the way, the disk transfer
Transfer the disk into and out of the enclosure using the
Disc player for loading the disc playback unit
For players, the player body is
The disc to be transferred into the
To the spindle provided at the center of the disk table
If the center hole is not transported correctly and
-Insert the hole securely into the spindle to accurately
Cannot be mounted on the cable. Soshi
To clamp the disc against the disc table.
It may not be possible to do so. Therefore, the present invention uses a disk transfer body.
Inside the enclosure that transports the optical disk and forms the player body
Disc play loaded in the disc playback unit
The correct position of the optical disc to the disc playback position.
Perform the transfer operation and play the disk
Disc play that enables reliable clamping operation
It has been proposed for the purpose of providing [0007] A disk drive according to the present invention is provided.
The layer is mounted on a disc inside the enclosure to achieve the above objectives.
The optical disc provided at the
Disk table and light on the disk table
The optical disk is provided so as to be movable in the radial direction of the disk.
Having an optical pickup for irradiating a light beam to the
Disk reproducing means and disk mounting on which the optical disk is mounted
Has a section, corresponding to the center of the optical disc in the disc mounting section
In the radial direction of the optical disk from the position
The disk table and the optical
Disc with an opening through which the pickup enters
A transfer body and the disk transfer body inside and outside the housing.
Transfer operation and transferred by the above disk transfer body.
Moving the optical disk to the disk transporter and the disk player;
By moving the step relatively, the disc
A disk loading mechanism for loading the raw means;
Disk that clamps the optical disk placed on the
The clamp position of the optical disc and the
Disk clamps that can be moved between
The disc and the disc clamper to the disc playback position.
Biasing means for biasing the optical disc to be clamped
And the disc loading mechanism is used to transfer the disc.
Sender and disc playback meansRelative toLinked to the movement
To move the disc clamper to the clamp position.
A disk clamp mechanism for moving the disk.
The optical disk transferred by the disk transfer body is
When the playback position is reached, the disc loading mechanism
Relative to the disk transfer body and the disk reproducing means.
The disc table and the disk table through the opening.
And the above optical pickup,
The optical disk transported by the body is placed on the disk mounting surface
With more distance, put on the disk table
To the above disk clamperThe above optical disc clamp
From the position where it is releasedPlace the clamp in the clamp position
And move it to the position where
It is configured to clamp. [0008] The disk player according to the present invention has a housing inside and outside.
Via a disk transfer body that is operated to transfer
On the disk table of the disk playback unit located inside
Load an optical disk. Optical disk is disk table
When loaded on top of the disk loading mechanism
With the disc clamper held in the non-clamp position
The optical disk is operated in response to the urging force of the
Clamp on the table. [0009] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an optical disk loading apparatus according to the present invention will be described.
An example in which the present invention is applied to a disc player of the type will be described. An optical disc player to which the present invention is applied.
Is recorded on an optical disk on which audio signals are recorded using pits.
Irradiates the light beam emitted from the semiconductor laser,
Reads and plays back audio signals recorded on a disc
Semiconductor laser for emitting a light beam
Optical pickup 1 and optical disk in which
A disk 2 is inserted and a spin is performed to rotate the disk 2
The spindle 5 driven by the dollar motor 3 is
Light beam emitted from semiconductor laser does not leak outward
The main body of the player as shown in FIG.
Mounted on a chassis substrate 7 supported by a chassis substrate 7.
ing. The spindle 5 is shown in FIG.
The drive shaft 8 to the upper surface of the chassis substrate 7
Spindle motor attached to the lower surface of the chassis substrate 7
Screw 9 on the drive shaft 8 of the motor 3
A disk table on which the optical disk 2 is placed
10 are provided integrally. In addition, the spindle 5
At the center, light is applied when the spindle 5 of the optical disc 2 is inserted.
The optical disk 2 faces the center hole 2a of the disk 2.
Tapered to guide the insertion position of spindle into spindle 5
A disk guide member 12 having a guide surface 11 is provided.
Have been. This disc guide member 12 is
The optical disk 2 is urged upward by the
Elastically displaced when a load is applied to the spindle 5
It becomes buried, and the tip of the tapered guide surface 11 has a small diameter.
Part faces the center hole 2a of the optical disc 2 and
Spindle of the optical disk 2 by the urging force of the ring 13
It acts to guide the insertion position with respect to 5. Ma
The optical pickup 1 is located on the lower side of the chassis substrate 7.
Installed between a pair of support blocks 14 and 15
Guide block 1 is attached to the two guide rods 16 and 17
The optical disc to be inserted into the guide holes 19 and 20 formed in
Supported so that the light beam is irradiated vertically to the recording surface
And driven by the pickup motor 21
Is guided by the guide rods 16 and 17, and
Sliding operation in the direction. Optical pickup 1 and pickup
The motor 21 is a guide block for the optical pickup 1.
Rack 18 provided on one side of
Reducer between the worm gear 23 attached to the drive shaft of the motor 21
With the first and second gears 24 and 25 constituting the structure interposed
The optical pickup 1 is moved at a low speed during playback.
It is configured to work. Also, on opposite sides of the chassis substrate 7
As shown in FIG. 2, a pair of guide rails 26 and 27
It is arranged, and the optical
The disk 2 from the outside of the housing 6 onto the spindle 5 in the housing 6
The disk transfer body 31 to be transferred is movably mounted.
You. This disk transfer body 31 is made of zinc as shown in FIG.
Formed by die casting or molding of synthetic resin
The diameter D of the optical disk 2 placed on the upper surface side
An annular recess 32 having a slightly larger diameter R is formed.
I have. The disc is transferred to the bottom wall 33 of the annular recess 32.
When the body 31 is retracted into the housing 6, the spindle 5 and the light
The U-shaped notch 34 into which the science pick 1 enters
It is formed over the rear wall of the transmitter 31. And rings
In the annular concave portion 32, the rising peripheral wall of the annular concave portion 32
A plurality of, in this embodiment, four disk mounting members 3
5 are provided at equal intervals. This disk mounting member 3
5 is provided with a friction member 36 such as a rubber material, and
Supports the periphery of the optical disc 2 placed on one side of the upper surface
To push the disk positioning projections 37 that perform the positioning action.
And is arranged on the lower surface side of the disk transfer body 31.
Disk transfer via a supporting substrate 38 formed of a sheet metal
It is attached to the body 31. That is, the disk mounting member 35 is located on the lower surface.
Positioning in which the protrusion 39 protruding on the side is perforated in the support substrate 38
Into the through hole 40 for
41, and further provided with a friction member 36.
A through hole 42 formed on the bottom wall 33 of the annular recess 32 on the surface side is formed.
Through the annular recess 32
By moving the support substrate 38 up and down, the friction member
So that the upper surface side provided with 36 protrudes and retracts in the annular concave portion 32.
It has been done. An annular recess is provided on the upper surface of the transfer body 31.
32, from both sides facing each other.
5 so as to be housed in the annular concave portion 32.
Notches 42, 42 for taking out the optical disc 2 are provided.
Have been killed. These notches 42, 42
From the position where the upper surface of the placing member 35 projects into the annular concave portion 32
Is also formed deeply and is mounted on the disk mounting member 35.
Keep fingers between the lower surface of the optical disc 2 and the deepest part 42a
For example, a gap of 3 to 4 mm is formed enough to enter
It is formed with such a depth d. By the way, a plurality of disk mounting members 35 are
Disk transfer body 3 supported to be able to protrude and retract in annular recess 32
The support substrate 38 disposed on the lower surface side of the
It is formed so as to hang down on opposite sides on the lower surface side of the body 31.
Slidable on the inner surfaces of both side habits 43 and 44
To a pair of slide cam levers 45 and 46 attached to
It is supported and attached to the disk transfer body 31. This branch
A pair of slide cam levers 45 for supporting the holding substrate 38,
46 is a longitudinal direction which is a moving direction of the disk transfer body 31
The slots 47 and 48 formed in the disc transfer body 31
Slide guide shaft 4 protruding from the inner surface of side walls 43 and 44
The guide shafts 49,5 are supported by engaging with the guide shafts 9,50.
It is slidable by being guided by zero. further,
The slide cam levers 45 and 46
Locking projection formed by cutting and raising in the middle of levers 45 and 46
Origin 51 and the inside of both side walls 43 and 44 of the disk transfer body 31
Spring 5 stretched between locking projections 52 projecting from the surface
3 always pulls the disk transfer body 31 into the housing 6
It is urged in the direction of arrow A in FIG.
The slide cam levers 45 and 46 have both ends
Of the slide cam levers 45 and 46 into L-shape
Rising pieces 54 and 55 formed by bending are provided.
These rising pieces 54 and 55 have
It is inclined so that it gradually descends from the front end to the rear end.
Cam holes 56 and 57 are formed. This cam hole 5
6, 57 are disk mounting portions projecting into the annular concave portion 32.
The upper surface of the material 35 is substantially flush with the bottom wall 33 of the annular concave portion 32
So that it has a stroke width W equal to the amount
Is formed. And the support substrate 38 faces each other.
Engagement members protruding from rising pieces 58 formed on both ends.
The mating pin 59 is inserted into the cam holes 5 of the slide cam levers 45 and 46.
6 and 57 and slide cam levers 45 and 56
Supported. Thus, the cam holes 56 and 57 are engaged.
Engage pin 59 to slide cam levers 45 and 46
The supported support substrate 38 is guided by the cam holes 56 and 57.
Slidable and the straws of the cam holes 56 and 57
Is moved up and down within the range of the lock width W. Then, the slide cam levers 45, 46
Is always attached in the direction of arrow A in FIG.
The slide cam levers 45 and 46 are
When the ride operation is not performed, the engagement pins 5 of the support substrate 38
9 is provided in the upper end engaging holes 56a, 57a of the cam holes 56, 57.
Is located. Therefore, the data attached to the support substrate 38
The disk mounting member 35 is in a state of protruding into the annular concave portion 32.
Is placed. The disk transfer body 31 includes a support substrate.
38, a pair of slide cam levers 45 for vertically operating
A pair of levers that slide and operate by pressing 46
A rotating shaft 63 for rotatably supporting the pressing members 64 and 65 is provided.
Installed. This rotating shaft 63 is shown in FIGS.
As shown, the housing 1 on the rear end side of the disk transfer body 31
6 are respectively attached to both sides located inside.
It is attached between the metal fittings 61 and 62. this
As shown in FIG.
Rotating shafts 63 are provided on both sides of the disk transfer body 31, respectively.
Straddle between the slide cam levers 45 and 46 provided
It will be arranged in. The rotating shaft 63 has a slide cam
These slide cams are opposed to one ends of the bars 45, 45.
A pair of lever pressing members for pressing the levers 45 and 46
64 and 65 are attached. These lever pressing members
64, 65 are integrally attached to the rotating shaft 63,
When it is rotated together with the rotating shaft 63 and one of them is pressed,
The other is also rotated synchronously via the rotation shaft 63. One of a pair of lever pressing members 64 and 65
The operation lever 89 is moved as described later.
And the pressing pin 1 provided on the rotation operation lever
14 and rotated by the slide cam lever.
7 against the urging force of the spring 53.
Slide in the direction of mark A. These slide cam levers
When the 45 and 46 are slid, the support substrate 38 becomes
Tilt of cam holes 56 and 57 of slide cam levers 45 and 46
The cam is lowered along the inclined cam surfaces 56b and 57b.
The lower end engaging holes 56c and 57c of the holes 56 and 57 are
It is in a descending state separated from the lower surface of the disk transfer body 31. This
With the lowering of the support substrate 38, the disk mounting member 35 also
The state is lowered from the inside of the annular concave portion 32. A disk transfer having the above-described configuration
The body 31 includes a pair of support rails attached to opposite sides.
67 and 68 are mounted on opposite sides of the chassis substrate 7
Cross bearing 69 between guide rails 26 and 27
The guide rails 26,
27 and is drawn into the housing 6.
From the position on the chassis substrate 7, as shown in FIG.
At a position where it is drawn out of the housing 6 through the opening 70
Mounted on the chassis substrate 7 so that it can move freely
Can be That is, the disk transfer body 31 is
With respect to the axis of the spindle 5 which is horizontal to the plate 7
It is free to move in the intersecting direction. It should be noted that a pair mounted on the chassis substrate 7
The other of the guide rails 26 and 27
One end 72a is fixed and locked on chassis substrate 7
The other end of the torsion coil spring 72 locked to the piece 71
Presses against the support rail 68 side of the disk transfer body 31 at 72b
There is a large number of operations to move the disk transfer body 31
Or a pair of guide rails 26, 27 due to aging or the like.
Keep the distance between them unchanged, and use a pair of guide rails
26, 27 parallelism is always maintained
You. Incidentally, the disk transfer body 31 is
The first motor 75 attached to the lower surface of the substrate 7 is moved.
It is moved as a moving means. And the disk transfer body
31 and the first motor 75 are mounted on the disk transfer body 31.
On one inner surface of a pair of support rails 67, 68
Mounted rack 76 and drive shaft 7 of first motor 75
7 constituting a reduction mechanism between gears 78 attached to
First, second and third gears 79, 80, 8 meshed with
1 via the first motor 75.
The disk transfer body 31 is configured to move.
To form a disk loading mechanism. On the other hand, the first motor is
75 is driven in the normal rotation direction, and the disk transfer body 31 is
From the state shown in FIG.
Moved to the disc playback position to play the disc
Sometimes, the disk transfer body 31 is positioned with respect to the chassis substrate 7.
The lock lever 85 that locks in place and the disk
The sliding member for lowering the mounting member 35 from the annular recess 32
Lever pressing part for pressing the id cam levers 45 and 46
A rotary operation lever 86 for pressing the members 64 and 65;
Inserted into pindle 5 and provided integrally with this spindle 5
Optical disk mounted on the mounted disk table 10
Disk clamper for fixing disk 2 to disk table 10
Pressing the clamper operating lever 88 connected to
Operating lever 89 is flat with the moving direction of the disk transfer body 31.
It is movably mounted on the line. This operation lever 89
The chassis holes 90 and 91 formed in the longitudinal direction
The support pins 92 and 93 erected on the lower surface side of the plate 7 respectively
It is inserted and supported so that it can move freely.
The drive of the second motor 94 attached to the
Move operation. Then, the operation lever 89 and the second mode
Is a component tree attached to one side of the operation lever 89.
The rack 95 formed by molding the fat and the second
Between the worm gear 97 attached to the drive shaft 96 of the motor 94
The first, second and mutually engaged
The third gears 98, 99, 100 are connected via
The movement of the disk transfer body 31 by the drive of the second motor 94
In the direction opposite to the disk transfer body 31
It is moved on the substrate 7. By the way, the operation lever 89 is provided as shown in FIG.
As shown, the lever pressing members 64 and 65 are provided on one side of the distal end side.
Is rotatably mounted on the chassis substrate 7 for pressing
Cam surface 10 for pressing the rotating operation lever 86
1 is provided. Also attached to this operation lever 89
One side of the synthetic resin rack 95 is provided with an operation lever.
Clamper operating lever formed to be inclined in the moving direction of 89
The second cam surface 102 for pressing the -88 is formed.
I have. Further, the operation lever 89 faces the rack 95.
On the other side, a third lever for pressing the lock lever 85 is provided.
A memory surface 103 is provided. This operation lever 89 is
The disk transfer body 31 is moved by the first motor 75 to the housing 6.
Drive is opened after reaching the disk playback position
The disk transfer body 31 is moved by the second motor 94 which starts.
It is moved in the direction of arrow B in FIG.
First, second and third cam surfaces 10 in relation to the
The rotation operation lever 86 and the
Operation of the damper operation lever 88 and the lock lever 85.
, But the first, second and third cam surfaces 10
1, 102 and 103, the operation lever 89 is indicated by an arrow B in FIG.
First, when the lock lever 85 is pressed,
And lock the disk transfer body 31 to the chassis substrate 7
Is completed, the rotation operation lever 86 is pressed, and
Press the clamper operating lever 88 following the pressing operation.
It is provided in such a relationship as to perform an operation. [0025] Then, it is formed by zinc die casting or the like.
The lock lever 85 has one end of the disc transfer body 31
Notch 10 formed on the inner surface of one support rail 67
4 is provided with a lock claw 105 which engages with
Pivotally supported by a support shaft 106 erected on the lower surface side of the substrate 7
A pivot 107 is provided and configured. The lock lever 85 is provided with a lock claw 105
One through-hole 108 formed in the chassis substrate 7
The pivot 107 is supported by the support shaft 106 while facing the guide rail 26 side.
And the third cam surface 103 of the operating lever 89 is shaped
It is rotatably mounted along the other side to be formed.
Further, the lock lever 85 is provided with a third
Operation pin 10 pressed by the third cam surface 103
9 and one support pin 92 supporting the operation lever 89.
Lock on the tip side by spring 109a that is stretched
FIG. 3 shows the direction in which the claw 105 escapes from the guide rail 26.
It is urged to rotate in the direction of the middle arrow C. In addition, the lock claw 1
05 is engaged with the notch
An engaging member 104a made of a synthetic resin for making the engagement smooth is provided.
Is provided. The annular concave portion 32 of the disk transfer body 31
The disk mounting member 35 provided in the
Lever for pressing slide cam levers 45 and 46
By pressing one of the pressing members 64 and 65,
The slide cam levers 45 and 46 are simultaneously slid.
The turning operation lever 86 is formed by a sheet metal member,
It has first and second arms 110 and 111 in the shape of a letter.
At the end of the support shaft 112 erected on the upper surface side of the chassis substrate 7
It has a pivotal support 113 formed in a U-shape to be pivotally supported.
doing. Then, as shown in FIG. 3 and FIG.
One lever pressing member 64 is provided at the tip of the second arm 111.
A pressing pin 115 for pressing the first arm is implanted,
The first cam surface 10 of the operation lever 89 is provided at the tip of the
1 is opposite to the pressing pin 115
It is planted in the direction. Further, the rotation operation lever 8
6 projects the sliding contact pin 114 from the lower surface of the chassis substrate 7.
To the first cam surface 101 of the operating lever 89 and press
The pin 115 is opposed to one lever pressing member 64,
Pivotably supported on a support shaft 112 via a support 113
You. The rotation operation lever 86 is connected to the second arm 111.
Spring 1 stretched between the middle part of the chassis and the chassis substrate 7
17 is urged to rotate in the direction of arrow D in FIG.
Further, the rotation operation lever 86 is connected to the first arm 101.
A spring 11 stretched between the middle part and the chassis substrate 7
7, is urged to rotate in the direction of arrow D in FIG. Further, a disk clamper 87 is provided
The clamper operating lever 88, as shown in FIG.
A clamper arm 1 for supporting the scraper 87 on the distal end side
20 are provided to extend from the base end side. By the way,
Clamper arm integrally having lamper operating lever 88
120 is formed in a flat plate shape by sheet metal and is formed to be wide.
Via the holder 121 attached to the tip end
Cup 5 with the disk table 10 facing
A lamp member 122 is attached. This clamp
The member 122 includes a flange portion 123 provided on the outer peripheral edge on the upper end side.
Into the annular hole 124 drilled in the holder 121
Supported, projecting at the tip of clamper arm 120
The support pin 125 is rotatably supported by the pin 125.
Move slightly in the last and radial directions.
Attached and positioned on the disk table 10
To fix the position of the optical disk 2
Has the effect of causing. Optical disk of clamp member 122
2 has a coefficient of friction lower than that of rubber such as felt
Of the clamp member 122 is provided.
An optical disk is generated by a frictional force during a pressing operation to the optical disk 2.
2 is in close contact with the clamp member 122 and no displacement occurs.
Processing has been performed. The clamper arm 120 is shown in FIGS.
A pair of falling pieces bent on both sides
127, 128, and these falling pieces 127, 128
Upright pieces formed by cutting and raising the chassis substrate 7 facing each other.
129, 130 so that it is sandwiched between
Communication from 29, 130 to falling pieces 127, 128
The pivot 131 is inserted into the through hole,
And is rotatably supported on the chassis substrate 7. Then, integrally with the clamper arm 120
The clamper operating lever 88 provided has one falling piece.
127, the chassis substrate 7
Is formed so as to extend to the lower surface side. Clamper operation
A pressure contact roller 132 is provided on one end of the operation lever 88.
The attached shaft 133 is erected. And clamper
The operation lever 88 is configured such that the pressing roller 132
So as to roll on the second cam surface 102
And is integrally connected to the system 120. Also, clamper operation
Locking piece 134 formed by bending a middle part of operation lever 88
Between the folded wall 135 formed on the rear end side of the chassis substrate 7
A spring 136 is extended on the clamper arm 12.
0 indicates that the clamp member 122 is urged in the direction of the spindle 5.
8 in the direction of arrow E in FIG.
It is being urged. Further, a rear end of the chassis substrate 7
The first motor 75 guided by the guide rails 26 and 27
Moved by the drive of the disk and drawn into the housing 6
A finely adjustable strike for positioning the stop position of the transfer body 31
An upper screw 141 is provided. This stopper screw 1
41 is one of the support rails 67 of the disk transfer body 31.
Fold so that it faces the locking piece 142 attached in the middle.
It is screwed to the side end of the return wall 135. Stopper screw
At the tip side where the locking piece 142 of 141 abuts, a folded wall
The distal end of the leaf spring 143 attached to 135 is extended,
A cushioning material 144 such as rubber is wound around the locking piece 142 and
The topper screw 141 and the locking piece 142 are brought into contact with each other on the surface.
It is configured to buffer the impetus at the time of aggression
ing. By the way, the disk drive to which the present invention is applied
In the case of the pulley, the disk transfer body 31 is pulled from the housing 6.
FIG. 1 shows a state in which the ejected optical disk 2 can be loaded and unloaded.
From the state, the optical disk 2 is placed and pulled into the housing 6,
A predetermined position where the center of the optical disk 2 corresponds to the spindle 5
Then, the disk transfer body 31 is locked and
The mounting member 35 descends to move the optical disk 2 to the spindle 5.
And placed on the disc table 10
To the disk table 10 by the clamper arm 120
Clamping operation of optical disk that operates to fix
Need to be done. Therefore, the operation lever 89 is moved.
The second motor 94 allows the disk transfer body 31 to be
Must be driven after being moved to the retracted position
There is. Therefore, the second motor 94 is driven by the disk transport 3
1 is retracted into the housing 6 as shown in FIG.
First switch 1 that is switched when a predetermined position is reached
Driving is started when 51 is closed. This second
The first switch 151 is located on the lower surface of the rear end of the chassis substrate 7.
Of the other support rail 68 of the disk transfer body 31
The operator 151 is attached to the switch pressing piece 152 attached in the middle.
a is opposed to each other. The switch pressing piece
152 indicates that the locking piece 142 of the disk transfer body 31 is stopped.
When the actuator 151a is stopped in abutment with the pan screw 141, the operator 151a is stopped.
Is pressed to close the first switch 151.
Attached to the device. The operation lever 89 is provided at the rear end side.
A switch formed by notching one rear end side of the operation lever 89
The switching operator 154a is opposed to the switching operator 153.
The second switch 154 is mounted via the chassis substrate 7
Have been killed. The second switch 154 includes a first switch 154 and a second switch 154.
Switch forward and reverse drive directions of motors 75 and 94
To operate. The operation lever is operated by the second motor 94.
-89 is moved in the direction of arrow B in FIG.
89, which is rotated by the third cam surface 103.
The lock claw 105 of the clever 85 is shown in FIG.
Formed on the support rail 67 of the disk transfer body 31 as described above.
The disk transfer body 31 is engaged with the notch
And the first and second cam surfaces 101, 102
The disk mounting member 35 is lowered by the action of
The disk 2 is placed on the disk table 10 and a spring
The clamper arm 120 receiving the urging force of 136
Ramped. The operation lever 89 is connected to the second motor 9
4 and moves in the direction of arrow B in FIG.
When it reaches the final position where the clamping operation of
When the third switch 155 is switched, the second motor
Together with 94, the first motor 75 is stopped. Therefore,
The third switch 155 allows the operating lever 89 to move to the final position.
The operator 155a is operated so as to be switched when moved.
Switch formed by bending the tip of the operating lever 89
Attached to the lower surface of the chassis substrate 7 so as to face the piece 156.
Have been. The first motor 75 is connected to the third switch 1
The drive current is supplied until the 55 is operated.
31 is locked by the lock claw 105 and the stopper screw 141
Therefore, the rotation is forcibly stopped. Next, the optical data constructed as described above is used.
In the disc player, the optical disk 2 is
And clamp onto the disc table 10
The operation to be performed will be described. First, the disk transfer body 31 is shown in FIG.
And pulled out from the housing 6
The disk 2 is mounted on the disk mounting member 35 and
It is arranged in the section 32. Here, before the disk transfer body 31
Start / inject switch 15 provided on the surface side
7, the first motor 75 is driven in the forward direction.
The disk transfer body 31 has a pair of guide rails 26, 2
Direction perpendicular to the axis of spindle 5 guided by 7
And is drawn into the housing 6 and arranged in the annular recess 32.
The center hole 2a of the placed optical disk 2 is
Is reached, the other support rail 68
Is pressed by the switch pressing piece 152 attached to the
The first switch 151 is closed and the second motor 94 is closed.
Are driven in the normal rotation direction. This second motor 94 is driven
Then, the first, second and third gears 98, 99, 10
0 and the operation lever 89 is in the direction of arrow B in FIGS. 3 and 11.
It is moved in the direction. Then, the third cam of the operation lever 89
Operation pin 109 of lock lever 85 rides on surface 103
The lock lever 85 to the urging force of the spring 109a.
3 and 11 in the direction opposite to arrow C. This
When the lock lever 85 is rotated as described above,
The lock claw 105 at the tip of the lock lever 85 is shown in FIG.
On one support rail 67 of the disk transfer body 31
The disc transfer body 31 is engaged with the cutout recess 104 formed.
Lock in the retracted position. Subsequently, the operation lever 89
Slide cam levers 45 and 46 are provided on the first cam surface 101.
Push one of the lever pressing members 64 and 65 for sliding operation.
The sliding contact pin 114 of the rotary operation lever 86 for pressure operation
Raise and rotate lever 86 against spring 117
It is rotated in the direction indicated by arrow D in FIG. Rotating operation lever 86
Is rotated by the operation of the first cam surface 101 as described above.
Then, the lever pressing member 64 is moved by the pressing pin 115.
It is rotated in the direction of arrow F in FIG.
You. When the lever pressing member 64 is turned, it is attached to the turning shaft 63.
The other lever pressing member 65 that has been pivoted is also rotated at the same time,
The disc is transferred by these lever pressing members 64 and 65.
A pair of slide cam levers 45, 4 provided on the body 31
6 at the same time. Then slide slide
The bars 45 and 46 are slid in the direction indicated by the arrow A in FIG.
Above the cam holes 56, 57 of the slide cam levers 45, 46
Support substrate 38 located in end engagement holes 56a, 57a
Engagement pins 59, 59 along the cam surfaces 56b, 56b
To the lower end engagements 56c and 57c. So
Then, the support substrate 38 has a stroke width W of the cam holes 56 and 57.
A distance from the lower surface of the disk transfer body 31
The disk mounting member 35 attached to the plate 38 also has an annular recess.
32, the optical disc placed on the placing member 35
So that the center hole 2a is inserted into the spindle 5
It is lowered and placed on the disk table 10. This light
Same operation as placing the disk 2 on the disk table 10
At this time, the clamping operation of the optical disk 2 is started. Sand
Then, the disc clamper 87 is turned around the pivot 131.
Press-fit roller attached to the tip of clamper operating lever 88
Roller 132 to the uppermost flat portion 102 of the second cam surface 102.
The operation lever 89 pressed against the upper surface a is in the state shown in FIG.
From the state in the direction of arrow F in FIG.
The pressing roller 132 to the inclined surface 10 of the second cam surface 102.
2b, and move in the same direction.
As shown in FIG.
To the lowermost flat portion 102c of the cam surface 102
Make 8 and FIG. 1 by the spring 136.
3 Disc clamper urged to rotate in the direction of arrow E
87 is rotated in the same direction, and
FIG. 4 shows the optical disk 2 placed on the worktable 10.
To the disk table 10. When the clamping operation of the optical disk 2 is completed,
When the operation lever 89 is moved to the end position, the third switch is operated.
The first and second motors 75 and 94 are switched.
Supply of power to the motors 75 and 94 is stopped.
Then, the mounting operation of the optical disk 2 is completed. Incidentally, the disk transfer body 31 is pulled into the housing 6.
When the disc transfer body 31 is moved to a predetermined position,
The opening 70 of the housing 6 that moves forward and backward
The front wall 31a is fitted and sealed. Here, provided on the front panel 158 of the housing 6.
When the play button 159 is operated, the spindle motor 3 rotates.
The optical pickup 2 is rotated and the optical pickup is rotated.
So that a light beam is emitted from the semiconductor laser in the pump 1
Then, the pickup motor 21 is driven to drive the optical pickup.
The backup 1 moves in the radial direction of the optical disk 2 and playback starts.
Begun. When loading / unloading the optical disk 2,
Operates the start / eject switch 157
And the driving directions of the first and second motors 75 and 94 are selected.
The second switch 154 is operated to mount the optical disc 2.
It is switched by the operation lever 89 further moved, and the
The first and second motors 75 and 94 are driven in the reverse direction.
It has been made like that. Then, the mounting of the optical disk 2 described above is performed.
With the operation reverse to the wearing operation, that is, the operation lever 89
Moves in the direction of arrow B in FIG.
Release the clamp of the optical disk 2 by the
The member 35 is raised and the optical disc 2
And then pull out the disk transfer body 31 from the housing 6.
This is done by manipulating. The stop of the loading / unloading operation of the optical disk 2 is performed as follows.
When the disk transfer body 31 is pulled out of the housing,
Provided in the middle of the other support rail 68 of the disk transfer body 31
The front end of the chassis substrate 7 by the switch pressing piece 152
When the fourth switch 161 provided on the side is operated,
The first and second switches are switched by the fourth switch 161.
The power supply to the motors 75 and 94 is interrupted.
You. [0044] As described above, the disk according to the present invention
The player controls the optical disc transported by the disc transporter.
When the disc reaches the disc playback position, the disc
The disc transfer body and the disc playback means are
Relative to the opening provided in the disk transport
Disk table and optical pickup
The optical disk transported by the disk transport
Move the disc away from the disc mounting surface and
Place the disk clamper on the desk
Clamp the optical disc from the position where the clamp is released.
The optical disc together with the disc table.
To clamp the clamp. That is, this
The disc player transfers the disc clamper to the disc.
When moving the body in and out of the housing,
Position and the disc table
When clamping the disc, clamp the optical disc
Move to the position where
When moving the transmitter into and out of the housing,
Keep enough distance so as not to come in contact with the disk transfer body
To ensure the moving state of the disk transfer body,
Reliable protection of disc transfer body and disc clamper
Can be Also, by the disk clamp mechanism
Disc transfer body and disc playback by disc loading mechanism
Disk clamper in conjunction with the relative movement
To the position where the optical disc is clamped.
Optical disk transported by the disk transport
Until the disc reaches the disc playback position, the disc
The lamp is at the position to release the clamp of the optical disk.
That may hinder the operation of moving the disk transfer body.
As a result, a reliable moving operation of the disk transfer body is realized.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an optical disc player to which a disc loading device according to the present invention is applied. FIG. 2 is a plan view showing each mechanism section constituting the disc player. FIG. 3 is a bottom view showing each mechanism shown in FIG. 2; FIG. 4 is a side view showing a mounting portion of a spindle and an optical pickup. FIG. 5 is an exploded perspective view showing a disk transporter constituting the present invention. FIG. 6 is a front view showing a state where the disk transfer body is mounted on a chassis substrate. FIG. 7 is a side view of the disc transfer body showing a slide cam lever provided on the disc transfer body. FIG. 8 is a side view showing a mounting portion of a disk clamper. FIG. 9 is a rear view showing a mounting portion of the disk clamper. FIG. 10 is a perspective view showing an operation lever. FIG. 11 is a plan view showing a state in which the disk transfer body is pulled into the housing. FIG. 12 is a plan view showing a state where the disk transfer body is locked at a retracted position in the housing. FIG. 13 is a side view showing a state before the optical disc is clamped by the disc clamper. FIG. 14 is a side view showing a state in which an optical disc is clamped by a disc clamper. [Description of Signs] 2 optical disk 5 spindle 6 housing 10 disk table 31 disk transfer member 35 disk mounting member 75 first motor 85 for moving disk transfer member lock lever 87 disk clamper 88 clamper operation lever 89 operation for operating lock lever Lever 94 Second motor 120 for operating operating lever Clamper arm 122 Clamper member 136 Spring

Claims (1)

(57) [Claims] A disk provided at a disk playback position in the housing and configured to rotate a mounted optical disk, and an optical pickup movably provided in a radial direction of the optical disk on the disk table and configured to irradiate the optical disk with a light beam; A reproducing means, comprising: a disk mounting portion on which the optical disk is mounted; extending from a position corresponding to the center of the optical disk of the disk mounting portion in a radial direction of the optical disk and inward of the housing; A disk transfer member provided with a disk table and an opening through which the optical pickup enters, and a transfer operation of the disk transfer member inside and outside the housing, and transferring the optical disk transferred by the disk transfer member to the disk By moving the transfer body and the disk reproducing means relatively, the disk A disk loading mechanism for loading the disk, a disk clamper movably provided between a disk clamp position for clamping an optical disk placed on the disk table, and a position at which the optical disk is released from clamping. Biasing means for biasing the clamper in a direction for clamping the optical disc at the disc reproducing position, and the disc loading mechanism moving the disc transport body and the disc reproducing means relative to each other. A disk clamp mechanism for moving the disk clamper to the position to be clamped in conjunction with the operation, wherein the disk loading mechanism moves the disk when the optical disk transported by the disk transport reaches the disk playback position. Relative to the body and the disc playback means From the opening is advanced to the disc table and the optical pickup, the disk clamper causes the optical disk that has been transported by the disc transporting member mounted on the disc table is moved away from the disk mounting face of the optical disk
A disc player which is moved from a position where a clamp is released to a position where the clamp is performed and clamped together with the disc table.