WO1999067782A1 - Unite de disques - Google Patents
Unite de disques Download PDFInfo
- Publication number
- WO1999067782A1 WO1999067782A1 PCT/JP1998/002775 JP9802775W WO9967782A1 WO 1999067782 A1 WO1999067782 A1 WO 1999067782A1 JP 9802775 W JP9802775 W JP 9802775W WO 9967782 A1 WO9967782 A1 WO 9967782A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- disk
- disc
- cam plate
- chassis
- stopper
- Prior art date
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Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/04—Feeding or guiding single record carrier to or from transducer unit
- G11B17/05—Feeding or guiding single record carrier to or from transducer unit specially adapted for discs not contained within cartridges
Definitions
- the present invention relates to a disc device provided with a reproduction unit for reading information recorded on a disc.
- FIG. 1 is a schematic configuration diagram showing a disk device to be mounted on a vehicle.
- 1 is a disk device
- 2 is a chassis installed inside the vehicle body
- 3 is a reproduction unit for rotating the disk D and reading information recorded on the disk D
- 4 is formed on the chassis.
- the disc D inserted into the chassis 2 from the disc insertion slot is transported to the playback unit 3
- the disc D transported to the playback unit 3 is transported from the playback unit 3 to the disc insertion slot.
- This is a transport unit for discharging to the outside of the chassis 2.
- Reference numeral 5 denotes an elastic member such as an oil damper for preventing vibration of the vehicle body from being transmitted to the reproduction unit 3 during reproduction of the disk D, and is provided between the lower surface of the chassis 2 and the reproduction unit 3.
- reference numeral 11 denotes a reproduction unit housing a motor for rotating the turntable, a motor for moving the pickup, and the like.
- Reference numeral 11a denotes a rotating shaft of the pressure arm, which is provided on the regeneration unit base 11.
- Numeral 12 denotes an evening table on which the disc D is placed and on which the loaded disc D is rotated, and which is provided on the reproduction unit base 11.
- 13 is provided on the regeneration unit base 11 It is a pressure arm that rotates in the ab direction around the rotating shaft 11a.
- Reference numeral 14 denotes a disk holding member that holds the disk D with the turntable 12 by rotating the pressing arm 13 toward the evening table 12, and is attached to the pressing arm 13.
- Reference numeral 15 denotes a pickup for reading information recorded on the disk D, which is provided on the reproduction unit base 11.
- reference numeral 21 denotes a disk guide fixed to the upper plate of the chassis 2
- reference numeral 22 denotes a disk D inserted into the chassis 2 from the disk inlet and the disk guide 21.
- FIG. 1 shows that the pressing arm provided in the reproducing unit and the transport roller provided in the transport unit are moved by sliding in the disk inserting direction and the disk discharging direction, and A cam plate for fixing and releasing the reproduction unit is not shown in the drawing. Next, the operation will be described.
- the disc D When the disc D is inserted into the chassis 2 from the disc insertion slot, the disc D is sandwiched between the disc guide 21 and the transport roller 22. Then, the disk D is transported to the reproduction unit 3 by the rotation of the transport rollers 22.
- the disc D conveyed to the reproducing unit 3 is held between the turntable 12 and the disc holder 14 by rotating the pressurizing arm 13 toward the turntable 12, and the turntable 1 2 Placed on At this time, the playback unit base fixed by the cam plate The fixing of 11 is released, and the playback unit base 11 is supported by the elastic member 5, so that the information recorded on the disc D can be read, that is, the disc D can be played.
- the reproduction of the disc D is started while the disc D is placed on the turntable 12 and is stationary on the turntable 12, the disc D is rotated by the rotation of the turntable 12. Then, the information recorded on the disk D is read by the pickup 15. At this time, the vibration of the vehicle body is absorbed by the elastic member 5, and the transmission of the vibration of the vehicle body to the regeneration unit 3 is prevented.
- FIG. 2 is a configuration diagram showing a reproduction unit in a conventional disk device.
- FIG. 2 shows the configuration when the playback unit is viewed from the X direction in FIG.
- FIG. 2 shows a state at the start of insertion of a 12 cm disc.
- the 12 cm disk D is shown by a two-dot dashed line.
- FIG. 3 is a configuration diagram showing a disk stopper in a conventional disk device.
- FIG. 3 is a sectional view taken along the line II of FIG.
- reference numeral 141 denotes a playback unit for reading information recorded on the disk D
- reference numeral 144 denotes a playback unit for reproducing the vibration of the vehicle body during the playback of the disk D.
- An elastic member such as an oil damper for preventing transmission to the transmission unit 41, and 144 a to 144 c are first to third positioning shafts provided on the regenerating unit 141.
- Reference numeral 151 denotes a reproduction unit base in which a motor for rotating the turntable, a motor for moving the pickup, and the like are stored.
- Reference numeral 151 d denotes a rotating shaft of the pressure arm, which is provided on the reproduction unit base 151.
- Reference numeral 154 denotes a pressurizing arm provided on the regeneration unit base 151 and rotating around a rotation shaft 151d.
- Reference numeral 155 denotes a disk holding member for holding the disk D with the turntable by rotating the pressing arm 154 to the table side, and is attached to the pressing arm 154.
- Reference numeral 161 denotes a disk stopper which is pushed by the disk D inserted into the chassis and moves in the direction B (disk insertion direction).
- Reference numeral 162 denotes a lever stopper which rotates in accordance with the movement of the disk stopper 161, and is provided on the upper surface of the pressure arm 154.
- 16 3 rotates together with the rotation of the lever stop 16 2, and also positions the disk stop 16 1 when Disk D is not inserted into the chassis, and rotates the lever â stop 16 2 A slide lock that slides an operation lever described below in the direction A (discharge direction) when rotated together with the arm, and is provided below the pressure arm 154.
- 16 5 is a holding member for attaching the disk holding body 15 5 to the pressure arm 15 5, and 16 6 is a laser.
- First spring connected to burst stopper 162 and slide lock 163, 1667 second spring connected to pressure arm 1554 and slide lock 163 It is.
- 16a is a contact portion with which the disc D inserted into the chassis comes into contact, and 161b is associated with a guide hole formed in the pressure arm 1554.
- the mating engaging portion 16 1 c is an engaging pin that engages with an engaging hole formed in the lever stopper 16 2.
- 16a is the rotating shaft of the lever stopper 162
- 16b is the connecting part to which the first spring 16 is connected
- 16c is the disc.
- 16 2 e is a first restricting portion forming the restricting hole 16 2 d
- 16 2 f is a second restricting portion forming the restricting hole 16 2 d.
- 16 3 a is a pressure receiving portion that is pressed by the front arm
- 16 3 b is a pressing portion that presses an operation lever described later
- 16 3 c is formed on the reverse stopper 16 2.
- the restriction pin supported by the restriction hole 16 2 d, 16 3 d is the connection part where the first spring 16 6 is connected
- 16 3 e is the connection part where the second spring 16 7 is connected.
- the connecting portion 16 3 f is a slide hole for supporting the rotary shaft 16 2 a of the lever stopper 16 2.
- reference numeral 154a denotes a connecting portion to which the second spring 167 is connected.
- 15 54 b is engaged with the engaging portion 16 1 b provided on the disk stopper 16 2 and the engaging pin 16 1 c provided on the disk stopper 16 2 penetrates into the chassis.
- 15 54 c covers the engaging portion 16 1 b provided on the disc stopper 16 1.
- Engagement part insertion hole formed to engage with slide hole 154b, and 154d is a lever stopper 162 provided with a restriction pin 163c 'provided on slide lock 163. It is a window hole formed to support with the regulation hole 16 2d formed in the hole.
- 165a is a holding portion for holding the disk holder 155 while pressing the upper center projection 155a of the disk holder 155, and 165b is pressurizing.
- This is a covering portion that covers the engaging portion insertion hole 154c formed in the arm 154.
- FIG. 4 is a configuration diagram showing a transport unit in a conventional disk device.
- FIG. 4 shows the configuration when the transport unit is viewed from the Y direction in FIG.
- FIG. 4 shows a state in which a 12-cm disc is being conveyed.
- the 12 cm disk D is indicated by a two-dot broken line.
- FIG. 5 is a configuration diagram showing a disk guide section in a conventional disk device.
- FIG. 5 shows the configuration of the disk guide when viewed from the Z direction in FIG.
- reference numeral 132 denotes a chassis installed inside the vehicle body
- reference numeral 133 denotes a disk entrance formed on a front plate of the chassis 132.
- Reference numeral 17 1 denotes a disk guide fixed to the upper plate of the chassis 13 2
- reference numeral 17 3 denotes a disk guide inserted from the disk insertion slot 13 3 into the interior of the chassis 13 2.
- the disc D is conveyed to the playback unit by being pinched by and rotated in this state, and the disc D conveyed by the playback unit is pinched by the disc guide 171, and rotated in that state.
- a transport roller for transporting the disc D to the disc insertion slot 13 3 and discharging the disc D to the outside of the chassis 13 2, 17 4 is a transport unit base.
- 171a is a convex portion having a shape approaching the conveying roller 1733 from the center to the end, and is formed to extend in a direction perpendicular to the disc conveying direction. ing.
- reference numeral 173a denotes a shaft of the transport roller 173, which is inserted into a round hole formed in the transport unit base 74 so as to face in a direction perpendicular to the disk transport direction.
- Reference numeral 173b denotes a rubber roller in which the shaft 173a of the transport roller 173 is loosely inserted and becomes thicker from the center toward the end.
- FIG. 6 is a configuration diagram showing a cam plate and its related parts in a conventional disk device.
- Fig. 6 (A) shows the structure of the cam plate and its related parts when viewed from the X direction in Fig. 1, and
- Fig. 6 (B) shows the cam plate and its related parts in Fig. 6 (A).
- FIG. 6 (C) shows an enlarged view of a portion Q encircled by a broken line in FIG. 6 (B).
- FIG. 6 shows an initial stage of transporting the disk.
- Figure 6 shows that the part enclosed by curve b is the right side plate of the chassis.
- numeral 178 denotes a motor for rotating the conveying roller.
- 18 1 slides in the A-B direction, and when sliding in the B direction, moves the pressure arm in a direction that does not pinch the disk between the turntable and the disk holder, and slides the disk in the direction.
- Reference numeral 182 denotes an operation lever which slides in the A-B direction along the guide groove formed in the chassis 13-2 and moves the cam plate 181 in the A-B direction by the movement. It is placed on plate 18 1.
- Reference numeral 183 denotes a first link member for fixing the reproduction unit when the cam plate 18 1 slides in the direction B, and is provided between the chassis 13 2 and the cam plate 18 1. It is provided in.
- Reference numeral 184 denotes a fourth spring that connects the chassis 13 2 and the operating lever 18 2.
- 181a is a long hole that engages the key-shaped claw formed on the right side plate of the chassis 132 to guide the cam plate 181, and 181b is the transport unit.
- the Z-shaped hole that supports the moving shaft 1 74c provided on the base 17 4c and guides the moving shaft 17 4c along with the slide movement of the cam plate 18 1
- a horizontal hole that supports the first positioning axis 144a provided on the unit and guides the first positioning axis 144a as the cam plate 181 slides.
- the 18 2 a is disposed in the concave 18 1 i formed in the cam plate 18 1, and by pressing the concave 18 1 i, the sliding of the operating lever 18 2 is performed.
- the convex portion that slides the cam plate 18 1 in the AB direction along with the movement, and 18 2 b is a rack that moves the operating lever 18 2 in mesh with the reduction gear group 17 8. .
- 183a is a moving shaft supported by a Z-shaped hole formed in the right side plate of the chassis 132, and 183b is provided on the cam plate 181.
- the circular hole into which the rotating shaft 18 1 g of the first link member 18 3 was inserted, and 18 3 c are provided on the regeneration unit when the cam plate 18 1 slides in the B direction. It is a holding portion for holding the first positioning shaft 144a provided.
- 13 2 d supports the moving shaft 18 3 a provided on the first link member 18 3, and moves along with the sliding movement of the cam plate 18 1.
- the structure is such that 1 82 b is displaced from the reduction gear group 1 78. After the rack 18b formed on the operating lever 18 comes out of the reduction gear group 178, the operating lever 182 is moved in the direction B by the force of the fourth spring 184. It is configured to be pulled back to the initial position. And at this time
- FIG. 7 is a configuration diagram showing a playback unit base in a conventional disk device.
- Fig. 7 (A) shows the configuration of the playback unit base as viewed from the X direction in Fig. 1, and
- Fig. 7 (B) shows the playback unit base in Fig. 7 (A).
- FIG. 7 shows a state in which the 12 cm disk is lifted from the turntable.
- the 12 cm disk D is indicated by a two-dot broken line.
- Reference numeral 15a denotes a rear side surface of the reproduction unit base 151, which is a side opposite to the disk insertion side.
- Reference numeral 152 denotes a turntable on which the disc is placed and on which the loaded disc is rotated. The turntable is provided on the reproduction unit base 151. Since the conventional disk device is configured as described above, when the disk is being lifted from the turntable, the disk is in contact with the playback unit base on its recording surface. For this reason, there was a problem that the recording surface of the disc was damaged when the disc was lifted from the turntable.
- the playback unit is extended only at the outer edge of the disc by increasing the playback unit base toward the back. Make sure that the disk is in contact with the upper surface of the disk, and that the disk position when the disk is lifted from the turntable is high enough so that the disk does not touch the playback unit base.
- such a configuration has a problem that the chassis becomes large.
- the present invention has been made to solve the above problems, and when a disk is being lifted from a turntable, the disk comes into contact with a playback unit base on its recording surface. Accordingly, it is an object of the present invention to obtain a disk device capable of preventing a problem that a recording surface of a disk is damaged, without increasing the size of a chassis. Disclosure of the invention
- the rear side of the playback unit base is added so that when the disc is lifted from the turntable, the outer peripheral edge of the disc contacts the playback unit base. It is provided with a notch portion formed in the manner described above.
- the disc when the disc is lifted from the turntable, the disc contacts the playback unit base only at the outer peripheral edge of the disc, so that the recording surface of the disc can be prevented from being damaged. .
- the notch is formed so as to have a trapezoidal shape when the reproduction unit base is viewed from above, whereby the position at which the disk contacts the reproduction unit base is provided.
- the close contact between the disc and the ridgeline of the notch is almost perpendicular, and the number of contact points between the disc and the playback unit base is reduced.
- FIG. 1 is a schematic configuration diagram showing a disk device to be mounted on a vehicle.
- FIG. 2 is a configuration diagram showing a reproduction unit in a conventional disk device.
- FIG. 3 is a configuration diagram showing a disk stopper in a conventional disk device.
- FIG. 4 is a configuration diagram showing a transport unit in a conventional disk device.
- FIG. 5 is a configuration diagram showing a disk guide section in a conventional disk device.
- FIG. 6 is a configuration diagram showing a cam plate and its related parts in a conventional disk drive.
- FIG. 6 (A) shows the configuration when viewed from the X direction of FIG. 1, and
- FIG. 6 (B) shows the configuration of (A).
- the configuration when viewed from the P direction is shown, and (C) shows an enlarged view of the Q portion surrounded by a broken line in (B).
- FIG. 7 is a diagram showing the configuration of a playback unit base in a conventional disk drive, where (A) shows the configuration when viewed from the X direction in FIG. 1, and (B) shows the configuration when viewed from the P direction of (A).
- FIG. 7 is a diagram showing the configuration of a playback unit base in a conventional disk drive, where (A) shows the configuration when viewed from the X direction in FIG. 1, and (B) shows the configuration when viewed from the P direction of (A).
- FIG. 8 is a perspective view showing the appearance of the disk device according to Embodiment 1 of the present invention.
- FIG. 9 is a configuration diagram showing the inside of the chassis of the disk drive according to Embodiment 1 of the present invention.
- FIG. 10 is a configuration diagram showing a reproduction unit in the disk device according to the first embodiment of the present invention.
- FIG. 10 (A) shows the configuration when viewed from the Z direction in FIG. 1, and FIG. A) shows the configuration when viewed from the P direction
- FIG. 11 is a block diagram showing the playback unit and the transport unit in the disk device according to the first embodiment of the present invention when the 8 cm disk is transported
- FIG. 11 (A) is the X direction of FIG. (B) shows the configuration when viewed from the P direction of (A).
- FIGS. 12A and 12B are configuration diagrams showing the playback unit and the transport unit in the disk device according to the first embodiment of the present invention during the playback of an 8 cm disk, and FIG. (B) shows the configuration when viewed from the P direction in FIG. 11 (A).
- FIG. 13 is a configuration diagram showing the reproducing unit and the transport unit in the disk device according to the first embodiment of the present invention when a 12 cm disk is transported, and FIG. 13 (A) is an X-direction in FIG. (B) shows the configuration when viewed from the P direction in FIG. 11 (A).
- FIG. 12A and 12B are configuration diagrams showing the playback unit and the transport unit in the disk device according to the first embodiment of the present invention during the playback of an 8 cm disk
- FIG. (B) shows the configuration when viewed from the P direction in FIG. 11 (A).
- FIG. 13 is a configuration diagram showing the reproducing unit and the transport unit in the disk device according to the first embodiment of the present invention when a 12 cm disk is transported
- FIG. 14 is a configuration diagram showing a playback unit and a transport unit in the disk device according to Embodiment 1 of the present invention in a state of playing back a 12 cm disk, and FIG. (B) shows the configuration when viewed from the P direction in FIG. 11 (A).
- FIG. 15 is a configuration diagram showing a disk stopper in the disk device according to Embodiment 1 of the present invention.
- FIG. 16 is a configuration diagram showing a transport unit in the disk device according to the first embodiment of the present invention.
- FIG. 16 (A) shows the configuration when viewed from the Y direction in FIG. 1, and
- FIG. FIG. 17 shows the configuration when viewed from the P direction of A).
- FIG. 17 is a configuration diagram showing a disk guide portion and an auxiliary roller in the disk device according to Embodiment 1 of the present invention.
- Fig. 1 shows the configuration when viewed from the Z direction
- (B) shows an enlarged view of the P part surrounded by a broken line in (A)
- (C) shows Q in a broken line in (A). Part from R direction
- FIG. 18 is a configuration diagram showing a transfer unit base in the disk device according to the first embodiment of the present invention.
- FIG. 18 (A) shows a configuration when the transfer unit base is viewed from the X direction in FIG. B) shows the configuration when viewed from the P direction of (A), (C) shows the configuration when viewed from the Q direction of (A), and (D) shows the configuration when viewed from the R direction of (A). The configuration at the time is shown.
- FIG. 19 is a configuration diagram showing a transfer unit and a reduction gear group in the disk device according to Embodiment 1 of the present invention, wherein (A) shows a state during disk transfer, and (B) shows a state during disk reproduction. The state is shown.
- FIG. 20 is a configuration diagram showing a cam plate and its related parts in the disk device according to the first embodiment of the present invention in the first stage when the disk is transported.
- FIG. 20 (A) is a view from the X direction in FIG. (B) shows a configuration when viewed from the P direction of (A), and (C) shows an enlarged view of a Q portion surrounded by a broken line in (A).
- FIG. 21 is a configuration diagram showing a cam plate and its related parts in a disk device according to Embodiment 1 of the present invention in a second stage state during disk transport.
- FIG. 22 is a configuration diagram showing a cam plate and its related components in the disk device according to the first embodiment of the present invention in a state during reproduction of the disk.
- FIG. 23 is a configuration diagram showing a state of a cam plate and its related components in the first stage of transporting the disk in the disk device according to Embodiment 1 of the present invention, and FIG. (B) shows the configuration when viewed from the direction P in FIG. 20 (A).
- FIG. 24 is a view showing a second state of the cam plate and its related parts in the disk device according to Embodiment 1 of the present invention when the disk is transported.
- 2A is a diagram showing the configuration when viewed from the X direction in FIG. 1, and FIG. 2B shows the configuration when viewed from the P direction in FIG. 20A.
- FIG. 25 is a configuration diagram showing the state of the cam plate and its related parts in the disk device according to Embodiment 1 of the present invention at the time of disk reproduction, and (A) is a diagram when viewed from the X direction in FIG. (B) shows the configuration when viewed from the P direction in FIG. 20 (A).
- FIG. 26 is a configuration diagram showing a cam plate in the disk device according to Embodiment 1 of the present invention.
- FIG. 27 is a diagram showing the state of the lock plate and its related parts in the disk device according to Embodiment 1 of the present invention when the disk is transported, and FIG. 27 (A) shows the state when viewed from the X direction in FIG. (B) shows the configuration when viewed from the P direction of (A).
- FIG. 28 is a configuration diagram showing a lock plate and its related components in the disk device according to Embodiment 1 of the present invention in a state when the disk is reproduced.
- FIG. 29 is a configuration diagram showing a reproduction unit base in the disk device according to the first embodiment of the present invention.
- FIG. 29 (A) shows the configuration when viewed from the X direction in FIG. 1, and
- FIG. A) shows the configuration when viewed from the P direction.
- FIG. 8 is a perspective view showing the appearance of the disk device according to Embodiment 1 of the present invention.
- Fig. 8 shows the condition before the disc is inserted or after the disc is ejected. Is shown.
- 31 is a disk device
- 32 is a chassis installed inside the vehicle body
- 33 is a disk entrance formed on the front plate of the chassis 32.
- a reproducing unit, a transport unit, a cam plate, and the like, which will be described later, are provided inside the chassis 32.
- FIG. 9 is a configuration diagram showing the inside of the chassis of the disk drive according to Embodiment 1 of the present invention.
- FIG. 9 shows the configuration of the interior of the disk device chassis when viewed from the X direction in FIG.
- FIG. 9 shows the state at the start of inserting a 12 cm disc.
- the 12 cm disk D is indicated by a two-dot broken line.
- 41 is a playback unit for reading information recorded on the disc D
- 42 is a disc unit inserted into the chassis 32 from the disc entrance to the playback unit 41.
- the transport unit is for transporting the disk D transported to the reproduction unit 41 to the disk inlet and discharging the disk D to the outside of the chassis 32.
- Reference numeral 43 denotes an elastic member such as an oil damper for preventing vibration of the vehicle body from being transmitted to the reproduction unit 41 during reproduction of the disc D, and is provided between the lower plate of the chassis 32 and the reproduction unit 41.
- Is provided. 44 a to 44 c are first to third positioning axes provided on the reproduction unit 41.
- Reference numeral 45 denotes fixing of the reproduction unit 41 by fixing the first and second positioning axes 44a and 44b, and fixing of the first and second positioning axes 44a and 44b. It is a cam plate for releasing the fixing of the regeneration unit 41 by releasing it, and is provided between the right side plate of the chassis 32 and the regeneration unit 41.
- the lock plate is provided between the left side plate of the chassis 32 and the playback unit 41.
- the playback unit 41 is suspended from the chassis 32 by a plurality of springs (not shown). Have been.
- FIG. 10 is a configuration diagram showing a reproducing unit in the disk device according to Embodiment 1 of the present invention.
- Fig. 10 (A) shows the configuration when the playback unit is viewed from the Z direction in Fig. 1
- Fig. 10 (B) shows the playback unit from the P direction in Fig. 10 (A). The configuration when viewed is shown.
- FIG. 10 shows a state before the disc is inserted or after the disc is ejected.
- reference numeral 51 denotes a reproduction unit base in which a motor for rotating the evening table, a motor for moving the pickup, and the like are housed.
- Reference numeral 51 d denotes a rotating shaft of the pressure arm, which is provided on the regeneration unit base 51.
- Reference numeral 52 denotes a turntable on which a disc is placed and the loaded disc is rotated.
- the turntable 52 is provided on the reproduction unit base 51.
- Numeral 53 denotes a first motor for rotating the evening table 52
- numeral 54 denotes a pressurizing arm which rotates around a rotary shaft 51d provided on the regeneration unit base 51.
- Numeral 55 denotes a disk holding member for holding the disk with the turntable 52 by rotating the pressing arm 54 toward the turntable 52, and is attached to the pressing arm 54.
- Numeral 56 denotes a pickup for reading the information recorded on the disc, which is provided on the reproduction unit base 51.
- 5 7a is a guide groove for supporting the pickup 56
- 5 7b is a guide shaft for supporting the pickup 56
- 58 is a second module for moving the pickup 56
- 59 is The second mode â a reduction mechanism that transmits the rotation of the evening 58 to the guide shaft 57 b.
- the rotation of the second motor 58 is transmitted to the guide shaft 57 b via the speed reduction mechanism 59, and the guide shaft 57 b rotates, and the guide groove 57 a and The pickup 56 moves along a pair of guides including a guide shaft 57b.
- FIGS. 11 to 14 show a disk drive according to Embodiment 1 of the present invention.
- FIG. 2 is a configuration diagram showing a regeneration unit and a transport unit in the present embodiment.
- Fig. 11 (A), Fig. 12 (A), Fig. 13 (A), and Fig. 14 (A) show the regeneration unit and the transport unit as viewed in the X direction in Fig. 1.
- Fig. 11 (B), Fig. 12 (B), Fig. 13 (B) and Fig. 14 (B) show the regenerating unit and the transport unit in Fig. 11 (B).
- the configuration when viewed from the P direction in Fig. (A) is shown.
- FIG. 11 shows a state when an 8 cm disk is transported, FIG.
- FIG. 15 is a configuration diagram showing a disk stop in the disk device according to the first embodiment of the present invention.
- FIG. 15 is a sectional view taken along the line II-II of FIG. 11 (A).
- reference numeral 61 denotes a disk stopper which is pushed by a disk D inserted into the chassis 32 and moves in the direction B (the direction of disk insertion).
- Reference numeral 62 denotes a reverse stopper which rotates in accordance with the movement of the disk stopper 61, and is provided on the upper surface of the pressing arm 54.
- 6 3 rotates together with the rotation of the lever stopper 6 2, and also positions the disk stopper 6 2 when the disk D is not inserted into the chassis 32, and performs the rotation with the rotation of the lever stopper 62.
- This is a slide lock that moves an operation lever 82 described later in a direction A (discharge direction) when rotated, and is provided below the pressure arm 54.
- a front arm, 65 is a holding member for attaching the disk holder 55 to the pressure arm 54
- 66 is a lever.
- a first spring (flexible member) connected to the top 62 and the slide lock 63 is a second spring connected to the pressure arm 54 and the slide lock 63.
- 61a is a contact portion with which the disc D inserted into the chassis is in contact
- 61b is an engagement portion which engages with a guide hole formed in the pressure arm 54
- Reference numeral 61 c denotes an engagement pin that engages with an engagement hole formed in the lever stopper 62.
- 62a is a rotating shaft of the lever stopper 62
- 62b is a connecting part to which the first spring 66 is connected
- 62c is a member provided on the disk stopper 61.
- An engaging hole with which the mating pin 61c is engaged, 62d is a regulating hole for supporting the regulating pin provided in the slide lock 63, 62e is a first regulating portion constituting the regulating hole 62d, 62 f is a second restricting portion constituting the restricting hole 62 d.
- 63a is a pressure receiving part pressed by the front arm 64
- 63b is a pressing part pressing the operating lever 82 described later
- 63c is formed on the reverse stopper 62.
- the restriction pin supported by the restriction hole 62d, 63d is the connection part to which the first spring 66 is connected
- 63e is the connection part to which the second spring 67 is connected
- 6 3 f is a slide hole for supporting the rotating shaft 62 a of the lever stopper 62.
- 6 4 a is a contact pin with which a 12 cm disk D inserted into the chassis 32 contacts
- 6 4 b is a pressing portion for pressing the lever stopper 6 2
- 6 4 a c is the rotation axis of the front arm 64.
- 54a is a connecting portion to which the second spring 67 is connected.
- 5 4b is engaged with the engaging portion 6 1b provided on the disk stopper 62 and the engaging pin 6 1c provided on the disk stopper 62 penetrates and is inserted into the chassis 32.
- Disc pressed on disc D A guide hole for guiding the stock stopper 61, and is formed substantially in the center of the pressure arm 54 along the direction in which the disc D is conveyed.
- 54 c is an engaging portion insertion hole formed to engage the engaging portion 61 b provided on the disk flange 61 with the guide hole 54 b
- 54 d is a slide lock 63. This is a window hole formed to support the restriction pin 63c provided in the lever stopper 62d in the lever stopper 62.
- reference numeral 65a denotes a holding portion for holding the disk holding member 55 while pressing the upper protrusion 55a of the disk holding member 55, and 65b to the pressing arm 54.
- the covering portion covers the formed engaging portion insertion hole 54c.
- the engaging portion 61b provided on the disk stopper 61 presses the holding member 65 by the force of the first spring 66 connected to the lever stopper 62 and the slide lock 63. It is configured to press. With such a configuration, when the disc D is not inserted into the chassis 32, the disc stopper 61 does not play, and an effect of preventing generation of abnormal noise can be obtained.
- the engaging portion insertion hole 54c formed in the pressing arm 54 is covered by the covering portion 65b of the holding member 65. This With such a configuration, the engaging portion 61b provided on the disc stopper 61 comes out of the engaging portion insertion hole 54c formed on the pressing arm 54, and the disc stopper 61 drops. The effect that can prevent that is obtained.
- the disk D when the disk D is inserted into the chassis 32, the disk D comes into contact with the contact portion 61a of the disk stopper 61, and is pushed by the disk D to stop the disk stopper. 6 1 moves in the B direction. Then, the lever stopper 62 rotates in accordance with the movement of the disk stopper 61, and the slide lock 63 rotates in accordance with the rotation of the lever stopper 62. Then, the operation lever 82 is pushed by the pressurizing portion 6 3 b of the slide lock 63 and the operation lever 82 slides in the A direction.
- the front arm 64 returns to the initial position, and the restriction pin 63c enters the second restriction part 62e. ing.
- the lever stopper 62 rotates in accordance with the movement of the disc stopper 61, and the slide lock 6 rotates in accordance with the rotation of the lever stopper 62. 3 is configured to rotate .
- the operating lever 82 is pushed by the pressurizing portion 6 3 b of the slide lock 63 to move in the A direction.
- FIG. 16 is a configuration diagram showing a transport unit in the disk device according to Embodiment 1 of the present invention.
- Fig. 16 (A) shows the configuration when the transport unit is viewed from the Y direction in Fig. 1
- Fig. 16 (B) shows the transport unit from the P direction in Fig. 16 (A).
- the configuration when viewed is shown.
- FIG. 16 (A) shows the state during transport of a 12 cm disc
- FIG. 16 (B) shows the state during disc playback.
- the 12 cm disk D is indicated by a two-dot broken line.
- FIG. 17 is a configuration diagram showing a disc guide portion and an auxiliary roller in the disc device according to the first embodiment of the present invention.
- FIG. 17 is a configuration diagram showing a disc guide portion and an auxiliary roller in the disc device according to the first embodiment of the present invention.
- FIG. 17 (A) shows the configuration of the disk guide when viewed from the Z direction in FIG. 1, and FIG. 17 (B) is surrounded by a broken line in FIG. 17 (A).
- Fig. 17 (C) shows an enlarged view of the Q part surrounded by a broken line in Fig. 17 (A) viewed from the R direction.
- reference numeral 71 denotes a disk guide portion fixed to the upper plate of the chassis 32
- reference numeral 72 denotes a convex portion in which the outer peripheral surface of the conical portion is formed in the disk guide portion 71.
- Auxiliary roller located at the end of the disk guide 71 so that it is located closer to the transport roller than the roller, 73 is a disk guide for the disk D inserted into the chassis 32 from the disk insertion slot 33
- the disc D is transported to the reproduction unit by being pinched by the unit 71 or the auxiliary roller 72 and rotated in that state, and the disk D transported to the transport unit is transported to the disk guide unit 71 or the auxiliary roller.
- a transport roller that transports the disk D to the disk insertion slot 33 by rotating the gripper while holding the disk D in the state, and discharges the disk D to the outside of the chassis 32, and 74 is a transport unit base.
- reference numeral 71a denotes a convex portion having a shape approaching the transport roller 73 from the center to the end, and is a direction perpendicular to the disk transport direction. Is formed to extend.
- Reference numeral 71b denotes a panel panel for pressing the rotating shaft of the auxiliary roller 72 in the axial direction.
- reference numeral 72a denotes a rotating shaft of the auxiliary roller 73, and is attached to the disk guide portion 71 so as to face in the horizontal direction and in the direction perpendicular to the disk transport direction.
- 7 2 b is the conical portion (rotating portion) of the auxiliary roller 72
- 72 c is the outer peripheral surface of the conical portion 72 b.
- 73 a is the shuffle of the transport roller 73. And is inserted into a round hole formed in a transport unit base 74 described later so as to face a direction perpendicular to the disk transport direction.
- Reference numeral 73b denotes a rubber roller into which the shaft 73a of the transport roller 73 is loosely inserted and which becomes wider from the center toward the end.
- the rubber roller 73 b is pressed by the disk D so that the rubber roller 73 b is in close contact with the shaft 73 a when the disk is transported, and the shaft 73 a and the rubber roller 73 b are pressed.
- the shaft 73 a and the rubber roller 73 b are integrally rotated by the frictional force between the shaft 73 a and the rubber roller 73 b. Further, when a force larger than the frictional force is applied to the disk D in a direction opposite to the transport direction, only the shaft 73a rotates. With such a configuration, the effect of preventing the recording surface of the 12 cm disk D on the side of the transport roller 73 from being damaged by the transport roller 73 can be obtained.
- the conical portion 7 2 b of the auxiliary roller 72 is located closer to the transfer roller 73 than the convex portion 71 a formed on the disk guide portion 71.
- the auxiliary roller 72 is disposed at the end of the disk guide 71. For this reason, at the time of transporting the 8 cm disk D or at the beginning and end of transport of the 12 cm disk D, the disk D is pinched between the convex portion 71 a formed on the disk guide portion 71 and the transport roller 73. I In the middle stage of transporting the 12 cm disk D, the disk D is sandwiched between the auxiliary roller 72 attached to the disk guide 71 and the transport roller 73.
- the rotation shaft 72 a of the auxiliary roller 72 is attached to the disk guide portion 71 such that it faces in the horizontal direction. For this reason, the outer peripheral surface 72 c of the conical portion 72 b of the auxiliary roller 72 approaches the conveying roller toward the end of the disk guide 71.
- the convex portion 71a formed on the disc guide portion 71 has a shape approaching the transport roller 73 from the center to the end.
- the rotating shaft 72a of the auxiliary roller 72 mounted on the disk guide 71 is pressed in the axial direction by a panel panel 71b formed on the disk guide 71. Configuration. With such a configuration, an effect is obtained in which the auxiliary roller 72 does not rattle and generation of abnormal noise can be prevented.
- FIG. 18 is a configuration diagram showing a transfer unit base in the disk device according to Embodiment 1 of the present invention.
- Fig. 18 (A) shows the configuration when the transport unit base is viewed from the X direction in Fig. 1
- Fig. 18 (B) shows the configuration when viewed from the P direction in Fig. 18 (A).
- Fig. 18 (C) shows the configuration when FIG. 18 (A) shows the configuration when viewed from the Q direction
- FIG. 18 (D) shows the configuration when viewed from the R direction of FIG. 18 (A).
- Fig. 18 shows the state during disk playback.
- FIG. 18 (A) shows the configuration when the transport unit base is viewed from the X direction in Fig. 1
- Fig. 18 (B) shows the configuration when viewed from the P direction in Fig. 18 (A).
- Fig. 18 (C) shows the configuration when FIG. 18 (A) shows the configuration when viewed from the Q direction
- FIG. 18 (D) shows the configuration when viewed
- reference numeral 74 a denotes a round hole into which the shaft 73 a of the transfer port 73 is inserted
- 74 b denotes a round hole formed in the chassis 32 (FIG. 16).
- the rotating shaft of the transport unit base 74 inserted into the cam plate and 74c are moving shafts supported by Z-shaped holes formed in each of a cam plate and a lock plate described later
- 74d is a moving shaft. This is a double insertion prevention claw that prevents another disk from being inserted into the chassis by closing the disk insertion slot when a disk is inserted into the chassis.
- FIG. 19 is a configuration diagram showing a transport unit and a reduction gear group in the disk device according to Embodiment 1 of the present invention.
- FIG. 19 shows a configuration when the transport unit and the reduction gear group are viewed from the lower side of the paper of FIG.
- FIG. 19 (A) shows the state at the time of disk transport
- FIG. 19 (B) shows the state at the time of disk reproduction.
- Reference numeral 75 denotes a first gear press-fitted into the shaft 73 a of the transfer roller
- reference numeral 76 denotes a third motor for rotating the transfer roller, which is provided on the chassis 32.
- Reference numeral 77 denotes a second gear press-fitted into the rotating shaft of the third motor 76
- 78 denotes a group of reduction gears for transmitting the rotation of the third motor 76 to the transport rollers. It is provided in.
- Reference numeral 79 denotes a third spring that connects the lower plate of the chassis 32 and the transport unit base 74.
- the disk is held between the transport roller and the disk guide or the auxiliary roller by the force of the third spring 79 when the disk is transported. Then, at this time, the first gear 75 pressed into the chassis of the transport roller meshes with the reduction gear group 78, and the rotation of the third motor 76 is changed to the second gear 77, the reduction gear group. 7 8 and 1st It is transmitted to the transport roller via a gear 75, and the transport roller rotates.
- the disk is not sandwiched between the transport roller and the disk guide portion or the auxiliary roller when playing the disk.
- the first gear 75 is separated from the reduction gear group 78, and the rotation of the third motor 76 is not transmitted to the transport roller.
- FIG. 20 to FIG. 25 are configuration diagrams showing a cam plate and its related components in the disk device according to Embodiment 1 of the present invention.
- Fig. 20 (A), Fig. 23 (A), Fig. 24 (A) and Fig. 25 (A) show the cam plate and its related parts when viewed from the X direction in Fig. 1.
- Fig. 20 (B), Fig. 21, Fig. 22, Fig. 23 (B), Fig. 24 (B), and Fig. 25 (B) show the cam plate and Fig. 20 (A) shows the configuration of the related parts when viewed from the P direction in Fig. 20 (A), and
- Fig. 20 (C) shows an enlarged view of the Q part enclosed by the broken line in Fig. 20 (A). Is shown.
- FIGS. 20 and 23 show the state of the first stage when the disk is transported
- FIGS. 21 and 24 show the state of the second stage when the disk is transported
- FIGS. Fig. 25 shows the state during disk playback.
- FIGS. 20 (A), 23 (A), 24 (A) and 25 (A) show that the portion surrounded by the curve a is the hook-shaped projection of the cam plate and the hook of the operating lever.
- FIGS. 20 (B), 21 (B) and 22 (B) show the cross-section at the position of the protrusion, and the portion surrounded by the curved line b is the right side plate of the chassis.
- FIGS. 23 (B), 24 (B) and 25 (B) show that the right side of curve c is the right side plate of the chassis. Have been.
- FIG. 26 is a configuration diagram showing a cam plate in the disk device according to Embodiment 1 of the present invention.
- Fig. 26 shows the cam plate viewed from the P direction in Fig. 20 (A). 1 shows the configuration of the first embodiment.
- Fig. 20 to Fig. 26, 81 moves in the slide direction in 8-8 directions, and when sliding in the B direction, the direction in which the disk is not clamped between the evening table and the disk clamp.
- the transport arm 73 is moved in the direction to clamp the disk between the disk guide and the transport roller 73, and the disk is turned to the turntable and the disk when sliding in the direction A.
- a cam plate that moves the pressure arm in the direction of holding the holding member and the transfer roller 73 in a direction that does not hold the disk between the disk guide and the transfer roller 73. It is provided between the plate and the regeneration unit. 8 2 slides in the A_B direction along guide grooves 3 2b (see FIG. 8) formed in the chassis 32, thereby moving the cam plate 8 1 in the AâB direction.
- the operating lever is disposed on the cam plate 81.
- 83 is a first link member for fixing the reproduction unit when the cam plate 81 slides in the B direction, and is provided between the chassis 32 and the cam plate 81.
- Reference numeral 84 denotes a fourth spring for connecting the chassis 32 to the operation lever 82.
- reference numeral 81a denotes an elongated hole for engaging a key-shaped claw formed on the right side plate of the chassis 32 to guide the cam plate 81
- reference numeral 81b denotes a transport unit base 74.
- a Z-shaped hole that supports the moving shaft 74c provided on the regeneration unit and guides the moving shaft 74c along with the slide movement of the cam plate 81.
- Release hole for releasing the support of fixed axis 4 4a, 8 1f is the The release groove for releasing the support of the positioning shaft 4 4 b of 2, and the rotation shaft of the first link member 83 inserted into the round hole formed in the first link member 83, 8 1 h is a slope that is in contact with the right-side bent portion 54 e (see FIGS. 11 to 14) provided on the pressure arm 54, and descends from A to B.
- 81 i are recesses formed at the top of the cam plate 81
- 81 j are through holes through which the reduction gear group 78 penetrates
- 81 k are connected to hook-shaped projections formed on the operating lever 82 A first hook-shaped projection (first engagement portion).
- 8 2 a is disposed in the concave portion 8 1 i formed in the cam plate 8 1.
- the cam plate 8 is moved in accordance with the sliding movement of the operating lever 8 2.
- 1 is a convex part that slides in the A direction
- 8 2b is a rack that slides the operating lever 82 in mesh with the reduction gear group (gear) 78
- 82c is formed on the cam plate 81.
- the second hook-shaped protrusion (second engagement portion) that connects the cam plate 81 to the B-direction slide along with the slide movement of the operating lever 82 by being connected to the hook-shaped protrusion 81k. It is.
- 83a is a moving shaft supported by a Z-shaped hole formed in the right side plate of the chassis 32
- 83b is a first shaft provided on the cam plate 81.
- the circular hole into which the rotating shaft 81g of the link member 83 is inserted, and 83c is the first positioning shaft 4 provided on the playback unit when the cam plate 81 slides in the B direction. 4 A holding portion for holding a.
- 32 c is a key-shaped claw that engages with the long hole 81 a formed in the cam plate 81, and 32 d is provided on the first link member 83.
- a stopper claw for stopping the movement, 32 f is a hook-shaped protrusion 81 k formed on the cam plate 81 and a hook-shaped protrusion formed on the operating lever 82.
- An opening (see FIG. 8) formed at a position where the projection 82c is connected and disconnected.
- the moving shaft 83 a provided on the first link member 82 is attached to the right side plate of the chassis 32.
- the first link member 82 moves along the formed Z-shaped hole 32c, and rotates about the rotation axis 81g of the first link member 82 provided on the cam plate 81. Configuration.
- the cam plate 81 slides in the direction B the first positioning shaft 44 a is sandwiched by the holding portion 83 c of the first link member 83, and the first positioning shaft 44 a is moved.
- a is fixed in the horizontal hole 81c
- the second positioning shaft 44 is fixed in the horizontal groove 81d.
- the horizontal hole 81c supports the first positioning shaft 44a and the horizontal groove 81d supports the second positioning shaft 44b. Is canceled.
- a moving shaft 74 c provided on the transport unit base 74 is formed in a Z-shape formed on the cam plate 81.
- the transport unit base 74 moves along the hole 81, and rotates around the rotation shaft 74b.
- the transfer roller 74 moves in the direction of nipping the disk between the transfer roller 74 and the disk guide.
- the transport roller 74 moves in a direction in which the disk is not pinched between the transport roller 74 and the inside of the disk plan.
- the operating lever 82 slides in the direction A, and the rack 82 b formed on the operating lever 82 engages with the reduction gear group 78. I have. Then, the operating lever 82 was further slid in the direction A by the driving force of the reduction gear group 78, and the convex portion 82a formed on the operating lever 82 was formed on the cam plate 81.
- the configuration is such that it contacts the concave portion 8 1 i and presses the concave portion 8 1 i. For this reason, the cam plate 81 is configured to slide in the direction A in accordance with the movement of the operating lever 82.
- the cam plate 81 slides in the B direction in accordance with the sliding movement of the operating lever 82. And, by the driving force of the reduction gear group 7 8 The operating lever 82 further slides in the direction B, and the cam plate 81, which slides in accordance with the sliding movement of the operating lever 82, has a stopping claw 3 2e formed on the right side plate of the chassis 32. It is configured to return to the initial position. Then, only the operating lever 82 is further slid in the B direction by the driving force of the reduction gear group 78, and the first hook-like projection 81k and the second hook-like projection 82c are disengaged. It has become.
- the operating lever 82 is pulled in the direction B by the force of the fourth spring 84, and the initial It is configured to return to the position and press the slide lock.
- the cam plate 81 and the operating lever 82 can return to the initial positions, and an effect of preventing the disk from being unable to be ejected to the outside of the chassis 32 can be obtained.
- the position where the first hook-shaped protrusion 81 k formed on the cam plate 81 and the second hook-shaped protrusion 82 c formed on the operation lever 82 are connected to and disengaged from the cam plate 81.
- the first hook-shaped protrusion 81k is bent to connect or disconnect the first hook-shaped protrusion 81k and the second hook-shaped protrusion 82c. It has become.
- FIGS. 27 and 28 are diagrams showing a lock plate and its related components in the disk device according to the first embodiment of the present invention.
- 2nd 7 Fig. (A) shows the configuration of the lock plate and its related parts when viewed from the X direction in Fig. 1.
- FIGS. 27 (B) and Fig. 28 show the lock plate and its related parts in Fig. 27.
- the configuration when viewed from the P direction in Fig. (A) is shown.
- FIG. 27 shows a state when the disk is transported
- FIG. 28 shows a state when the disk is reproduced.
- FIGS. 27 (B) and 28 show the portion surrounded by the curve d as the left side plate of the chassis.
- reference numeral 85 denotes a lock plate which slides in the A-B direction when the cam plate 81 slides in the A-B direction. It is provided between the unit and the regeneration unit.
- Reference numeral 86 denotes a second link member for fixing the reproduction unit when the lock plate 85 slides in the B direction, and is provided between the chassis 32 and the lock plate 85. I have.
- reference numeral 85a denotes a long hole which engages a key-shaped claw formed on the right side plate of the chassis 32 to guide the lock plate 85
- reference numeral 85b denotes a transport unit base 74.
- a horizontal hole that supports the third positioning axis 44c in accordance with the sliding movement of the lock plate 85, and a third hole 85d is provided by the horizontal hole 85c.
- the release hole for releasing the support of the positioning shaft 4 4 c, 85 e supports the moving shaft provided on the second link member 86, and moves along with the slide movement of the lock plate 85.
- reference numeral 86a denotes a rotating shaft inserted into a round hole formed in the left side plate of the chassis 32
- reference numeral 86b denotes an L-shape formed in the lock plate 85.
- the moving shaft supported by the hole 85e and the moving shaft 86c are provided on the regeneration unit when the lock plate 85 is moving in the slide B direction.
- 3 is a holding portion for holding the positioning shaft 4 4 c.
- 32g is a round hole into which the rotating shaft 86a provided in the second link member 86 is inserted.
- the cam unit 81 is provided on the transport unit base 74 when the transport unit base 74 is rotated about the rotation axis 74 b by sliding the cam plate 81 in the AB direction.
- the moving axis 74c moves along the Z-shaped hole 85b provided in the lock plate 85, and the lock plate 85 slides in the AB direction.
- the second link member 86 when the cam plate 81 slides in the AB direction and the lock plate 85 slides in the AB direction, the second link member 86 The moving shaft 86 b provided on the lock plate 85 moves along the L-shaped hole 85 e formed in the lock plate 85, and the second link member 86 moves around the rotation shaft 86 a. It is configured to rotate. Then, when the cam plate 81 slides in the B direction and the lock plate 86 slides in the B direction, the third positioning shaft 44 c is connected to the second link member 86. And the third positioning shaft 44c is fixed in the horizontal hole 85c. On the other hand, when the cam plate 81 slides in the A direction and the lock plate 85 slides in the A direction, the support of the third positioning shaft 44 c by the horizontal hole 85 c is released. Configuration.
- FIG. 29 is a configuration diagram showing a reproduction unit base in the disc device according to Embodiment 1 of the present invention.
- Fig. 29 (A) shows the configuration when the playback unit base is viewed from the X direction in Fig. 1, and
- Fig. 2.9 (B) shows the playback unit base in Fig. 29 (A).
- the configuration when viewed from the P direction is shown.
- FIG. 29 shows a state in which the 12 cm disk is lifted from the turntable.
- two 12 cm discs D Indicated by broken lines.
- reference numeral 5la denotes a rear side surface which is a side surface of the reproduction unit base 51 opposite to the disk insertion side.
- 51b is formed by processing the rear side surface 51a of the reproduction unit base 51 so that the 12cm disk D contacts the reproduction unit base 51 at the outer peripheral edge of the 12cm disk D.
- the notched portion is formed so as to have a trapezoidal shape when the reproduction unit base 51 is viewed from above.
- 51 c is the ridgeline of the cutout portion 51 b with which the 12 cm disk D contacts, and corresponds to the oblique side of the trapezoidal cutout portion 51 b.
- the rear side surface 51a of the reproduction unit base 51 is machined so that the 12cm disk D and the reproduction unit base 51 contact each other at the outer peripheral edge of the 12cm disk D.
- a notch 51b is formed.
- the notch 5 lb is formed so as to be trapezoidal when the playback unit base 51 is viewed from above, and the trapezoidal notch 5 1 b is formed.
- the hypotenuse is defined as a 5 lb ridgeline 5 1c with a cutout of 5 lb where the 12 cm disc D contacts.
- the 8 cm disc D When the 8 cm disc D is inserted into the chassis 32, the 8 cm disc D is sandwiched between the convex portion 7 la formed on the disc guide portion 71 and the transport roller 73, and the transport roller It is transported to the regeneration unit 41 by the rotation of 73.
- the 8 cm disk D contacts the contact portion 61 a of the disk stopper 61, and is pushed by the 8 cm disk to move the disk stopper 61 in the direction B.
- the lever stopper 62 rotates in accordance with the movement of the disk stopper 61
- the slide lock 63 rotates in accordance with the rotation of the lever stopper 62.
- the operating lever 82 slides in the direction A (see Figs. 11 and 12).
- the 12 cm disk D comes into contact with the contact pins 64 a provided on the front arm 64, and the front arm 64 rotates by pressing the disk D against the 12 cm disk D. And, to the pressurized part 6 4 b of the front arm 64 The slide lock 63 is moved by being pushed, and the restriction pin 63c located at the first restriction part 62e is disengaged from the first restriction part 62e. Then, with the regulating pin 63c removed from the first regulating portion 62e, the 12cm disc D contacts the contact portion 61a of the disc collar 61 and pushes on the 12cm disc. Then, the disk stopper 61 moves in the B direction.
- the lever stopper 62 rotates in accordance with the movement of the disk stopper 61.
- the front arm 64 returns to the initial position, and the restriction pin 63c enters the second restriction part 62f.
- the lever stopper 62 rotates in accordance with the movement of the disk stopper 61, and the slider stopper 62 rotates in accordance with the rotation of the lever stopper 62.
- the lock 6 3 rotates. Then, the operating lever 82 is pushed by the pressurizing portion 63b of the slide lock 63 and slides in the direction A (see Figs. 13 and 14).
- the rack 82b formed on the operating lever 82 engages with the reduction gear group 78. Then, the operating lever 82 is further moved in the direction A by the driving force of the reduction gear group 78, and the convex portion 82a force formed on the operating lever 82 and the cam plate 81 are formed. It comes into contact with the formed recess 8 1 i. At this time, the first hook-shaped protrusion 81 k formed on the cam plate 81 and the second hook-shaped protrusion 82 c formed on the operating lever 82 are connected.
- the operating lever 82 further slides in the direction A, and the convex portion 82a formed on the operating lever 82 presses the concave portion 81i formed on the cam plate 81, and the cam plate 81 8 1 is actuated. Sliding movement in the A direction is performed in conjunction with the movement of lever 8 2 (see Fig. 20 to Fig. 24).
- the moving shaft 83 a provided on the first link member 82 becomes a Z formed on the right side plate of the chassis 32.
- the first link member 82 moves along the hole 32c, and the first link member 82 rotates about the rotation axis 81g of the first link member 82 provided on the cam plate 81.
- the support of the first positioning shaft 44a by the horizontal hole 81c and the support of the second positioning shaft 44b by the horizontal groove 81d are released (see Figs. 20 to 22). ).
- Transport unit base 7 4 is its rotation axis
- the transport roller 74 moves in a direction in which the disk D is not nipped between the transport roller 74 and the disk guide 71. Then, at this time, the first gear 75 is separated from the reduction gear group 78, and the rotation of the third motor 76 is not transmitted to the transport roller 73 (see FIG. 19 (B) and FIG. (See FIG. 20 to FIG. 22). At this time, the moving shaft 74c provided on the transfer unit base 74 is connected to the Z-shaped hole provided on the lock plate 85.
- the force of the fifth spring 60 causes the pressure arm 54 to move along the slope of the slope 81 h provided on the cam plate 81.
- the pressure arm 54 is lowered by lowering the right-side bent portion 54 e provided on the disk, and the disk D is held between the turntable 52 and the disk holder 55, and is placed on the evening table 52. (See Fig. 11 to Fig. 14).
- the pressing arm 54 When the disc transport complete switch is pressed, the third motor 76 stops.
- the first motor 53 starts and the evening table 5 starts. 2 rotates, and disk D rotates.
- the second motor 58 starts, the rotation of the second motor 58 is transmitted to the guide shaft 57 b via the deceleration mechanism 59, and the guide shaft 57 b rotates.
- the pickup 56 moves along a pair of guides including a guide groove 57a and a guide shaft 57b, and the information recorded on the disc D is read.
- the moving shaft 83 a provided on the first link member 82 becomes a Z formed on the right side plate of the chassis 32.
- the first link member 82 moves along the hole 32c, and the first link member 82 rotates about the rotation axis 81g of the first link member 82 provided on the cam plate 81.
- the first positioning shaft 44a is sandwiched between the holding portions 83c of the first link member 83, the first positioning shaft 44a is fixed in the horizontal hole 81c, and the second positioning shaft 44a is fixed in the horizontal hole 81c.
- the positioning shaft 44b is fixed in the horizontal groove 8Id (see FIGS. 21 and 22).
- the moving shaft 74c provided on the transport unit base 74 moves along the Z-shaped hole 85b provided on the lock plate 85, and the lock plate 85 Move in the direction of the slide.
- the moving shaft 86 b provided on the second link member 86 moves along the L-shaped hole 85 e formed on the lock plate 85, and the second link member 86 is moved. It rotates around its rotation axis 86a.
- the third positioning shaft 44c is sandwiched between the holding portions 86c of the second link member 86, and the third positioning shaft 44c is fixed in the horizontal hole 85c ( (See Figures 27 and 28).
- the sheet is nipped between the auxiliary roller 72 attached to the disk guide 71 and the transfer port â 73, is conveyed to the disk insertion port 33 by the rotation of the transfer roller 73, and is discharged out of the chassis 32.
- the disc stopper 61 moves in the direction A
- the 12 cm disc D first comes into contact with the contact pin 64 a provided on the front arm 64 and is pushed by the 12 cm disc D.
- the front arm 64 rotates.
- the slide lock 63 is moved by being pressed by the pressurizing portion 64b of the front arm 64, and the restricting pin 63c located at the second restricting portion 62f is moved to the second restricting portion 62. Deviate from f.
- the lever stopper 62 is connected to the lever stopper 62 and the slide lock 63 by the force of the first spring 66. 6 2 rotates in the reverse direction of the insertion. Then, along with the rotation of the lever stopper 62, the disk stopper 61 moves further in the direction A and returns to the initial position.
- the front arm 64 returns to the initial position, and the restriction pin 63c enters the first restriction portion 62e.
- the engaging portion 61b provided on the disk stopper 61 comes into contact with the holding member 65, and the lever stopper 62 and the slide lock 63 are connected. The engaging portion 61 presses the holding member 65 by the force of the connected first spring 66.
- the engaging portion 61b provided on the disc stopper 61 comes into contact with the holding member 65, and Since the member 65 is configured to be pressed, when the disk is not inserted into the chassis 32, the disk The stopper 61 does not rattle, and an effect of preventing generation of abnormal noise is obtained.
- the auxiliary roller 72 is conveyed from the convex portion 71a formed on the disc guide portion 71 by the outer peripheral surface 72c of the conical portion 72b. Since the disc D is arranged at the end of the disc guide 71 so as to be located on the roller 73 side, the disc D is attached to the disc guide 71 in the middle stage of transporting the 12 cm disc.
- the rotating shaft 72 a of the auxiliary roller 72 is configured to be pressed in the axial direction by the panel portion 71 b formed on the disk guide portion 71.
- the auxiliary roller 72 does not rattle, and an effect of preventing generation of abnormal noise is obtained.
- the rotating shaft 72 a of the auxiliary roller 72 is configured to be oriented in the horizontal direction, the outer peripheral surface 72 c of the conical portion 72 b of the auxiliary roller 72 is formed. Approaches the conveying roller 73 toward the end of the disk guide 71. As a result, in the middle stage of transporting a 12-cm disc, the 12-cm disc comes into contact with the auxiliary roller 72 only at its outer peripheral edge, so that the recording surface of the 12-cm disc can be prevented by the auxiliary roller 72. can get.
- the first hook-shaped projection 81 k is formed on the upper portion of the cam plate 81, and the operating lever 82 is moved in the disk ejecting direction by the operating lever 82.
- the concave portion 8 1 i formed on the upper portion of the cam plate 8 1 and the convex portion 8 2 a formed on the operating lever 8 2 come into contact with each other, the operating lever 8 is connected to the first hook-shaped projection 8 1 k.
- the second hook-shaped projection 82c that detaches from the first hook-shaped projection 81k at the connection position with the first hook-shaped projection 81k when sliding in the direction
- the cam plate 82 and the cam plate 82 can be returned to their initial positions, which has the effect of preventing the disc from being unable to be ejected outside the chassis 32.
- the connection between the first hook-shaped projection 81 k formed on the cam plate 81 and the second hook-shaped projection 82 c formed on the operating lever 82 is formed.
- the opening 32 f is formed in the right side plate of the chassis 32 at the position where the first hook-shaped projection 81 k and the second hook-shaped projection 81 k are bent. The effect that the connection and disconnection with the hook-shaped projection 82c can be easily performed is obtained.
- the 12 cm disc and the playback unit base are located at the outer peripheral edge of the 12 cm disc.
- the notch 5 1b was formed by processing the back side 5 1a of the playback unit base to make contact with 5 1, so that a 12-cm disc could be inserted in the table 5 2
- the 12 cm disc comes into contact with the playback unit base 51 only at the outer edge thereof, and the effect of preventing the recording surface of the 12 cm disc from being damaged can be obtained.
- the notch portion 51b is formed so as to have a trapezoidal shape when the reproducing unit base 51 is viewed from above, a 12 cm disc can be reproduced.
- the tangent line of the 12 cm disc at the position where it contacts the unit base and the ridgeline 51 c of the notch 51 b are almost perpendicular, and the contact point of the 12 cm disc with the playback unit base 51 is reduced. The effect is obtained.
- the disk device according to the present invention is suitable for use as a vehicle-mounted disk device into which two disks of different sizes can be inserted.
Landscapes
- Feeding And Guiding Record Carriers (AREA)
Description
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眮ã
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1998/002775 WO1999067782A1 (fr) | 1998-06-22 | 1998-06-22 | Unite de disques |
AU80380/98A AU8038098A (en) | 1998-06-22 | 1998-06-22 | Disk unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1998/002775 WO1999067782A1 (fr) | 1998-06-22 | 1998-06-22 | Unite de disques |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999067782A1 true WO1999067782A1 (fr) | 1999-12-29 |
Family
ID=14208450
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1998/002775 WO1999067782A1 (fr) | 1998-06-22 | 1998-06-22 | Unite de disques |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU8038098A (ja) |
WO (1) | WO1999067782A1 (ja) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08111054A (ja) * | 1994-10-07 | 1996-04-30 | Fujitsu Ten Ltd | ãã£ã¹ã¯ç¶èšé²åªäœã®ããŒãã£ã³ã°è£ 眮 |
-
1998
- 1998-06-22 WO PCT/JP1998/002775 patent/WO1999067782A1/ja active Application Filing
- 1998-06-22 AU AU80380/98A patent/AU8038098A/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08111054A (ja) * | 1994-10-07 | 1996-04-30 | Fujitsu Ten Ltd | ãã£ã¹ã¯ç¶èšé²åªäœã®ããŒãã£ã³ã°è£ 眮 |
Also Published As
Publication number | Publication date |
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AU8038098A (en) | 2000-01-10 |
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