WO1999067780A1 - Unite de disques - Google Patents

Unite de disques Download PDF

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Publication number
WO1999067780A1
WO1999067780A1 PCT/JP1998/002773 JP9802773W WO9967780A1 WO 1999067780 A1 WO1999067780 A1 WO 1999067780A1 JP 9802773 W JP9802773 W JP 9802773W WO 9967780 A1 WO9967780 A1 WO 9967780A1
Authority
WO
WIPO (PCT)
Prior art keywords
disk
cam plate
disc
chassis
operating lever
Prior art date
Application number
PCT/JP1998/002773
Other languages
English (en)
Japanese (ja)
Inventor
Shigeki Asai
Kazutoshi Taniguchi
Takaharu Eguchi
Tatsunori Fujiwara
Masaki Kobayashi
Original Assignee
Mitsubishi Denki Kabushiki Kaisha
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Denki Kabushiki Kaisha filed Critical Mitsubishi Denki Kabushiki Kaisha
Priority to PCT/JP1998/002773 priority Critical patent/WO1999067780A1/fr
Priority to AU80378/98A priority patent/AU8037898A/en
Publication of WO1999067780A1 publication Critical patent/WO1999067780A1/fr

Links

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
    • G11B17/051—Direct insertion, i.e. without external loading means

Definitions

  • a playback unit for reading information recorded on a disc and a disc inserted into the chassis from a disc insertion slot are transported to the playback unit, and the transport unit is transported to the playback unit.
  • the present invention also relates to a disk device provided with a cam plate for moving a transport roller provided in a transport unit.
  • 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 inlet.
  • 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 base in which a motor for rotating a turntable and a motor for moving a pickup are stored.
  • Reference numeral 11a denotes a rotating shaft of the pressure arm, which is provided on the regeneration unit base 11.
  • Reference numeral 12 denotes a turntable on which the disc D is placed and on which the loaded disc D is rotated. The turntable 12 is provided on the reproduction unit base 11.
  • Reference numeral 13 denotes a pressurizing arm provided in the reproduction unit base 11 and rotating in the a_b direction around a rotation 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 turntable 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.
  • 21 is a disc guide fixed to the upper plate of the chassis 2
  • 22 is a disc D inserted into the chassis 2 from the disc insertion slot with the disc guide 21.
  • the disk D is transported to the playback unit 3 by rotating in this state, and the disk D transported to the playback unit 3 is sandwiched between the disk guides 21 and rotated to rotate the disk D in that state.
  • These transport rollers transport the disc to the entrance of the disc and discharge it to the outside of the chassis 2.
  • Disk D When Disk D is inserted into the chassis 2 from the disk insertion slot, The disk D is nipped between the disk guide 21 and the transport roller 22. Then, the disk D is transported to the reproducing unit 3 by the rotation of the transport rollers 22. The disc D conveyed to the reproduction unit 3 is clamped between the evening table 12 and the disc holding body 14 by rotating the pressurizing arm 13 to the turntable 12 side. It is placed on the table 12. At this time, the reproduction unit base 11 fixed by the cam plate is released, and the reproduction unit base 11 is supported by the elastic member 5 to read information recorded on the disk D, that is, to read the disk D. Can be reproduced.
  • 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 indicated by a two-dot broken line.
  • FIG. 3 is a configuration diagram showing a disk stopper in a conventional disk device.
  • FIG. 3 is a cross-sectional view taken along the line II of FIG.
  • reference numeral 141 denotes a reproduction unit for reading information recorded on the disk D
  • reference numeral 144 denotes a reproduction unit for reproducing vibration of the vehicle body during reproduction 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 regeneration unit 141.
  • Reference numeral 151 denotes a playback unit base in which a motor for rotating the turntable and a motor for moving the pickup are stored.
  • Reference numeral 15 d denotes a rotating shaft of the pressure arm, which is provided on the regeneration unit base 15 1.
  • Reference numeral 154 denotes a pressure arm provided on the reproduction unit base 151, which rotates around a rotation shaft 15d.
  • Reference numeral 155 denotes a disk holding member for holding the disk D with the table by rotating the pressing arm 154 toward the turntable, 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 that rotates in accordance with the movement of the disk stopper 161, and is provided on the upper surface of the pressing arm 154.
  • 1 6 3 is lever stock When the disc stopper 16 is rotated in accordance with the rotation of the disc 16 and the disc 16 is positioned together with the disc 16 when the disc D is not inserted into the chassis.
  • a slide lock for moving an operation lever described later in the direction A (discharge direction of the disc) in a slide manner 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 4
  • 16 6 is a first spring connected to the reverse stopper 16 2 and the slide lock 16 3.
  • Reference numeral 1667 denotes a second spring connected to the pressure arm 154 and the slide lock 163.
  • 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 engaging portion 161c is an engaging pin that engages with an engaging hole formed in the lever stopper 162.
  • 16 a is the rotation axis of the lever stopper 16 2
  • 16 b is the connecting portion to which the first spring 16 6 is connected
  • 16 2 c 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 part that is pressed by the front arm
  • 16 3 b is a pressing part that presses the operating lever described later
  • 16 3 c is formed on the reverse stopper 16 2.
  • the regulating pin supported by the restricted hole 16 2 d, 16 3 d is the connecting part to which the first spring 16 6 is connected
  • 16 3 e is the connecting part to which the second spring 16 7 is connected
  • the connection portion 163f is a slide hole for supporting the rotation shaft 162a of the lever stopper 162.
  • 154a is connected to the second spring 167. It is a connected part. 15 5b is engaged with the engaging portion 16 1b provided on the disk stopper 16 2 and the engaging pin 16 1c provided on the disk stopper 16 2 penetrates into the chassis. A guide hole that guides the disc stopper 16 1 pressed by the disc D inserted into the disc D, and is formed substantially in the center of the pressure arm 15 4 along the transport direction of the disc D. There.
  • Reference numeral 154c denotes an engagement portion insertion hole formed to engage the engagement portion 161b provided on the disc stopper 161 with the guide hole 154b, and 154d. Is a window hole formed to support the regulation pin 1663c provided on the slide lock 1663 with the regulation hole 162d formed in the lever stopper 162.
  • 165a is a holding portion that holds the disk holder 155 while pressing the upper projection 155a of the disk holder 155, and 165b is an additional member.
  • the covering portion covers the engaging portion insertion hole 154c formed in the pressure 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 disk is being transported.
  • 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 D inserted from the disk entrance 1 33 into the interior of the chassis 13 2.
  • the disc D is conveyed to the playback unit by being pinched by and rotating in that state, and the disc D carried by the playback unit is pinched by the disc guide 171, and rotated in that state.
  • the transport roller transports the disk D to the disk inlet 13 3 and discharges it to the outside of the chassis 13 2.
  • Reference numeral 17 4 denotes a transport unit base.
  • reference numeral 171 a denotes a convex portion having a shape approaching the transport roller 173 from the center to the end, and is formed to extend in a direction perpendicular to the disk transport direction. I have.
  • 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 having a shape in which the shaft 173a of the transport roller 173 is loosened and becomes thicker from the center toward the end.
  • the disk D when the disk D is transported, the disk D is sandwiched between the convex portion 171a formed on the disk guide portion 171 and the transport roller 173.
  • FIG. 6 is a configuration diagram showing a cam plate and its related parts in a conventional disk device.
  • Fig. 6 (A) shows the cam plate and its related parts.
  • Fig. 6 (B) shows the configuration when the cam plate and its related parts are viewed from the P direction in Fig. 6 (A).
  • Fig. 6 (B) shows the configuration when viewed from the X direction in Fig. 1.
  • (C) shows an enlarged view of the Q portion surrounded by the 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.
  • reference numeral 178 denotes a reduction gear group for transmitting the rotation of the motor for rotating the transport roller to the transport roller 173, and is provided on the chassis 132.
  • 18 1 slides in the A—B direction, and when sliding in the B direction, moves the pressure arm in a direction in which the disk is not clamped between the evening table and the disk clamp, and Move the transport roller 173 in the direction that clamps the disc between the disc guide and the transport opening 173.
  • This is a cam plate that moves the pressure roller to the right side of the chassis 132 and the playback unit, and moves the transfer roller 173 in a direction that does not pinch the disc between the disk guide section and the transfer roller 173. It is provided between the birds.
  • 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. Plate 18 1 is placed on 1.
  • Reference numeral 183 denotes a first link member for fixing the regeneration 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.
  • 18 1 a is a long hole that guides the cam plate 18 1 by engagement of a key-shaped claw formed on the right side plate of the chassis 13 2.
  • 8 1 b supports the moving shaft 17 4 c provided on the transport unit base 17 4, and a Z-shaped hole, which guides the moving shaft 17 4 c as the cam plate 18 1 slides, 1811c supports the first positioning axis 144a provided on the playback unit, and a horizontal hole that guides the first positioning axis 144a as the cam plate 181 slides.
  • 181d support the second positioning axis 144b provided on the regeneration unit, and guide the second positioning axis 144b as the cam plate 181 slides.
  • the horizontal groove, 18 1 e is the release hole for releasing the support of the first positioning axis 14 4 a by the horizontal hole 18 1 c.
  • the release hole, 18 1 f is the second positioning axis by the horizontal groove 18 1 d.
  • the release groove for releasing the support of 144 b, 18 lg is the rotation axis of the first link member 18 3 inserted into the round hole formed in the first link member 18 3, 18 1 h Is to the pressure arm 1 5 4
  • the sloped part which comes into contact with the right side bent part 15 4 e (see Fig. 2) and descends from A to B, is formed at the top of the force plate 18 1.
  • the recessed portion 1811j is a through hole through which the reduction gear group 178 passes.
  • the 18 2 a is disposed in the recess 18 1 i formed in the cam plate 18 1, and when the recess 18 1 i is pressed, the sliding of the operating lever 18 2 is performed.
  • the protrusion that slides the cam plate 18 1 in the A-B direction in conjunction with the gear movement, 18 2b is a rack that moves the operating lever 18 2 in mesh with the reduction gear group 17 8 is there.
  • 183a is provided on a moving shaft supported by a Z-shaped hole formed in a right side plate of the chassis 138, and 183b is provided on a cam plate 181.
  • a round hole into which the rotation shaft 18 1 g of the first link member 18 3 is inserted, and 18 3 c are provided in the reproduction unit when the cam plate 18 1 slides in the B direction. It is a holding portion for holding the first positioning shaft 144a.
  • 13 2 d supports the movement axis 18 3 a provided on the first link member 18 3, and moves along with the slide movement of the cam plate 18 1 It is a Z-shaped hole that guides the axis 18a.
  • the operating lever 182 slides in the direction A, and the rack 182b formed on the operating lever 182 is connected to the reduction gear group 1778. It is a configuration that fits. Then, the operating lever 182 is further slid in the direction A by the driving force of the reduction gear group 178, and the convex portion 182a formed on the operating lever 18 2 a first contact
  • the portion 1887 is configured to abut against the concave portion 181i formed in the cam plate 181 and push the concave portion 181i. For this reason, the cam plate 18 1 slides in the A direction along with the slide movement of the operating lever 18 2.
  • the reduction gear group when the disk is ejected, the reduction gear group
  • the rotation of the operation lever 18 2 moves in the direction B due to the rotation of the rotation of the rotation of the drive lever 18, and the projection 18 2 a formed on the operation lever 18 2 is located at the second contact portion 18 8. As a result, it is configured to abut against the concave portion 18 1 i formed in the cam plate 18 1 and press the concave portion 18 1 i. For this reason, the cam plate 18 1
  • the structure is such that 1 82 b is displaced from the reduction gear group 1 78. Then, 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 B direction by the force of the fourth spring 184. To return to the initial position. And at this time
  • FIG. 7 is a configuration diagram showing a reproduction unit base in a conventional disk device.
  • Fig. 7 (A) shows the configuration of the playback unit base when 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 the side opposite to the disk insertion side.
  • Reference numeral 152 denotes an evening table on which a disc is placed and on which the loaded disc is rotated, and which is provided in the playback unit base 151. Since the conventional disk drive is configured as described above, When the rack formed on the operating lever is disengaged from the reduction gear group at the time of extension, the operating lever is pulled in the direction B by the force of the fourth spring.At this time, the operating lever is formed on the operating lever 18 2 Since the convex portion 18 2 a pressed the concave portion 18 1 i formed on the cam plate 18 1, the load on the fourth spring was large.
  • the operating lever may not be able to return to the initial position, so that the cam plate may not be able to return to the initial position, and the pressing arm may not be able to be raised.
  • the disk could not be ejected out of the chassis.
  • the present invention has been made to solve the above-described problems, and a disk device capable of preventing a problem that a disk cannot be ejected out of a chassis due to an operation lever and a cam plate not returning to an initial position. The purpose is to obtain. Disclosure of the invention
  • the first engaging portion formed on the upper portion of the cam plate, the operating lever slides in the disk discharging direction, and the concave portion formed on the cam plate and the operating lever are formed on the operating plate.
  • the first engagement portion is disengaged from the first engagement portion at the connection position with the first engagement portion when the operating lever slides in the disk insertion direction when the operating lever slides in the disc insertion direction.
  • a second engaging portion formed on the operating lever.
  • the cam plate and the operating lever can be returned to the initial positions, and it is possible to prevent the disk from being unable to be ejected to the outside of the chassis.
  • a disk device includes a rack in which a cam plate is formed so as to mesh with a gear provided in a chassis.
  • the chassis includes an opening at a position where the first engagement portion formed on the cam plate and the second engagement portion formed on the operation lever are connected and disconnected. It is.
  • 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.
  • A shows the configuration when viewed from the X direction in Fig. 1
  • B shows the configuration of (A).
  • C shows an enlarged view of the Q portion surrounded by a broken line in (B).
  • FIG. 7 is a configuration diagram showing 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 from the P direction of (A). The configuration when viewed is shown.
  • 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. FIG. 11 shows the configuration when viewed from the P direction of A).
  • FIG. 11 shows the playback unit and the transport unit in the disk device according to the first embodiment of the present invention in the state of transporting an 8 cm disk.
  • FIG. 3A is a configuration diagram, in which (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. 12 is a configuration diagram showing a playback unit and a transport unit in the disk device according to the first embodiment of the present invention in the state of playing back an 8 cm disk
  • FIG. 12 (A) shows the X direction in FIG. (B) shows the configuration when viewed from the P direction in FIG. 11 (A).
  • FIG. 13 is a configuration diagram showing a playback unit and a transport unit in the disk device according to the first embodiment of the present invention when a 12 cm disk is transported
  • FIG. 13 (A) is an X-direction in FIG. (B) shows the configuration when viewed from the P direction in FIG. 11 (A).
  • FIG. 12 shows the X direction in FIG. (B) shows the configuration when viewed from the P direction in FIG. 11 (A).
  • FIG. 14 is a configuration diagram showing the playback unit and the transport unit in the disk device according to Embodiment 1 of the present invention in the state of playing back a 12 cm disk, and FIG. 14 (A) shows the X direction in 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. 16 shows the configuration when viewed from the Y direction in FIG. 1
  • 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). The enlarged view of the part viewed from the R direction is shown.
  • 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 when the disk is transported, and (B) shows a state when the disk is reproduced. The state is shown.
  • FIG. 20 is a block diagram showing a cam plate and its related parts in the disk device according to Embodiment 1 of the present invention in the first stage when the disk is transported, and FIG. (B) shows the configuration when viewed from the P direction of (A), and (C) shows an enlarged view of the Q portion surrounded by a broken line in (A). I have.
  • 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 shows a cam in a disk device according to Embodiment 1 of the present invention.
  • FIG. 4 is a configuration diagram showing a plate and its related parts in a state during disc reproduction.
  • FIG. 23 is a configuration diagram showing a state of a cam plate and its related parts 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 P direction in FIG. 20 (A).
  • FIG. 24 is a block diagram showing the state of the cam plate and its related parts in the disk device according to Embodiment 1 of the present invention in the second stage when the disk is transported, and FIG. (B) shows the configuration when viewed from the P direction in FIG. 20 (A).
  • FIG. 25 is a block diagram showing the 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 reproduced, and FIG. 25 (A) shows the state 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 configuration 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) is 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 playback unit base in the disk device according to the first embodiment of the present invention, wherein (A) shows the configuration when viewed from the X direction in FIG. 1, and (B) shows ( (A) shows the configuration when viewed from the P direction. ing.
  • FIG. 30 is a block diagram showing a cam plate and its related parts in a disk device according to Embodiment 2 of the present invention in a first stage state when a disk is transported, and FIG. (B) shows the configuration when viewed from the P direction of (A).
  • FIG. 31 is a configuration diagram showing a cam plate and its related parts in a disk device according to Embodiment 2 of the present invention in a second stage state during disk transport.
  • FIG. 32 is a configuration diagram showing a cam plate and its related components in a disk device according to Embodiment 2 of the present invention in a state during disk reproduction.
  • FIG. 33 is a configuration diagram showing a cam plate in a disk device according to Embodiment 2 of the present invention.
  • FIG. 8 is a perspective view showing the appearance of the disk device according to Embodiment 1 of the present invention.
  • FIG. 8 shows a state before the disk is inserted or after the disk is ejected.
  • 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 inside of the disk drive chassis in Fig. 1. This shows the configuration when viewed from the X direction.
  • 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.
  • reference numeral 41 denotes a reproduction unit for reading information recorded on the disk D
  • reference numeral 42 denotes a disk D inserted into the chassis 32 from an entrance of the disk to the reproduction unit 41.
  • 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. It is provided in.
  • Reference numerals 44 a to 44 c denote first to third positioning axes provided on the reproduction unit 41.
  • Reference numeral 45 designates the fixing of the reproduction unit 41 by fixing the first and second positioning axes 44a and 44b, and the 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.
  • a lock plate which is provided between the left side plate of the chassis 32 and the regeneration unit 41.
  • the regeneration unit 41 is suspended from the chassis 32 by a plurality of springs (not shown).
  • 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 disk is inserted or after the disk is ejected.
  • Fig. 10 In the figure, reference numeral 51 denotes a regeneration unit base in which a motor for rotating the evening table, a motor for moving the pickup, and the like are stored.
  • Reference numeral 51 d denotes a rotation axis of the pressure arm, which is provided on the reproduction 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.
  • Reference numeral 53 denotes a first motor for rotating the turntable 52
  • reference numeral 54 denotes a pressurizing arm provided on the regeneration unit base 51 and rotating around a rotation shaft 51d.
  • Numeral 55 denotes a disk holding member for holding the disk with the evening table 52 by rotating the pressing arm 54 toward the turntable 52, and is attached to the pressing arm 54.
  • Reference numeral 56 denotes a pickup for reading information recorded on the disc, which is provided on the reproduction unit base 51.
  • 5 7a is a guide groove supporting the pickup 56
  • 5 7b is a guide shaft supporting the pickup 56
  • 58 is a second motor for moving the pickup 56
  • 59 is a second motor. This is a deceleration mechanism that transmits the rotation of the evening 58 to the guide shaft 57b.
  • 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.
  • FIG. 11 to FIG. 14 are configuration diagrams showing a reproduction unit and a transport unit in the disk device according to the first embodiment of the present invention.
  • Fig. 11 (A), Fig. 12 (A), Fig. 13 (A) and Fig. 14 (A) show the regenerating unit and the transport unit viewed from the X direction in Fig. 1.
  • Fig. 11 (B), Fig. 12 (B), Fig. 13 (B), and Fig. 14 (B) show the playback unit and the transport unit in Fig. 11 (B).
  • the configuration when viewed from the P direction in FIG. Fig. 11 shows the state when an 8-cm disc is being transported.
  • Fig. 12 shows the state during playback of an 8 cm disc
  • 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 cross-sectional view taken along the line II-II of FIG.
  • reference numeral 61 denotes a disk stopper that is pushed by a disk D inserted into the chassis 32 and moves in the direction B (the direction in which the disk is inserted).
  • 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 together with the rotation of the lever stopper 62.
  • This is a slide lock for moving an operation lever 82 described later in a sliding direction A (discharge direction) when rotated, and is provided below the pressure arm 54.
  • 6 4 is pushed by the 12 cm disc D inserted into the inside of the chassis 3 2, rotates, and moves the slide lock 6 3 to release the restriction of the lever stop 6 2 by the slide lock 6 3.
  • a front arm 65 is a holding member for attaching the disk holding body 55 to the pressure arm 54
  • 66 is a first spring (elastic member) connected to the lever stopper 62 and the slide lock 63.
  • 67 a second spring connected to the pressure arm 54 and the slide lock 63.
  • 61 a is a contact portion with which the disk D inserted into the chassis comes into contact
  • 61 b is an engagement with a guide hole formed in the pressure arm 54.
  • Part, 6 1 c formed on lever stem 6 2 It is an engagement pin that engages with the engagement hole.
  • 62a is a rotation 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 a 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.
  • 63 a is a pressure receiving portion that is pressed by the front arm 64
  • 63 b is a pressing portion that presses an operating lever 82 described later
  • 63 c is formed on the reverse collar 62.
  • the restriction pin supported by the restriction hole 62d, 63d is a connection part to which the first spring 66 is connected
  • 63e is a 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.
  • 64 a is a contact pin with which a 12 cm disk D inserted into the chassis 32 abuts
  • 6 4 b is a pressurizing section for pressing the lever stopper 6
  • 6 4 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.
  • a guide hole for guiding the disc flange 61 pressed by the disc D which is formed substantially in the center of the pressure arm 54 along the transport direction of the disc D.
  • Reference numeral 54c denotes an engagement portion insertion hole formed to engage the engagement portion 61b provided on the disk flange 61 with the guide hole 54b, and 54d denotes a slide lock 63.
  • 65a is a holding portion for holding the disk holding member 55 while pressing the upper protrusion 55a of the disk holding member 55, and 65b is formed on the pressing arm 54. It is a covering portion for covering the engaged portion insertion hole 54c.
  • the engaging portion insertion hole 54 c formed in the pressure arm 54 is covered by the covering portion 65 b of the holding member 65.
  • the engaging portion 61b provided on the disk stopper 61 comes out of the engaging portion insertion hole 54c formed in the pressing arm 54, and the disk stopper 61 drops. The effect that can be prevented is obtained.
  • the 12 cm disk D when the 12 cm disk D is inserted into the chassis 32, 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 being pushed by the 2 cm disk D. Then, 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 first restricting portion 62e is moved to the first restricting portion 62e. Configuration. Then, when the disc stopper 61 is pushed by the disc D 12 cm and moves in the direction B with the restricting pin 63c disengaged from the first restricting portion 62e, the disc stopper 61 The lever stopper 62 rotates in accordance with the movement.
  • the front arm 64 returns to the initial position, and the regulating pin 63c enters the second regulating portion 62e. I have.
  • the lever stopper 62 rotates in accordance with the movement of the disk stopper 61
  • the slide lock 6 rotates in accordance with the rotation of the lever stopper 62. 3 is configured to rotate.
  • the operation lever 82 is pushed by the pressurizing portion 63b of the slide lock 63 so as to slide 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.
  • a 12 cm disk D is indicated by a two-dot dashed line.
  • FIG. 17 is a configuration diagram showing a disk guide section and auxiliary rollers in a disk device according to Embodiment 1 of the present invention.
  • FIG. 17 is a configuration diagram showing a disk guide section and auxiliary rollers in a disk device according to Embodiment 1 of the present invention.
  • FIG. 17 is a configuration diagram showing a disk guide section and auxiliary rollers in a disk device according to
  • FIG. 17 (A) shows the configuration when the disk guide is viewed from the Z direction in FIG. 1, and FIG. 17 (B) shows the P surrounded by a broken line in FIG. 17 (A).
  • Fig. 17 (C) shows an enlarged view of the Q portion surrounded by a broken line in Fig. 17 (A) viewed from the R direction.
  • reference numeral 71 denotes a disk guide fixed to the upper plate of the chassis 32
  • reference numeral 72 denotes a convex portion having an outer peripheral surface of a conical portion formed in the disk guide 71.
  • Auxiliary roller 73 is located at the end of the disk guide 71 so as to be located closer to the transport roller than II, and 73 is a disk guide that guides the disk D inserted into the chassis 32 from the disk inlet 33. 1 and the auxiliary roller 72, the disk D is conveyed to the reproduction unit by rotating in that state, and the disk D conveyed to the transfer unit is conveyed to the disk guide portion 71 or the auxiliary roller 72.
  • a transport roller for transporting the disk D to the disk insertion slot 33 by rotating it in this state and discharging 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 formed to extend in a direction perpendicular to the disk transport direction.
  • 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.
  • 72 b is the conical portion (rotating portion) of the auxiliary roller 72
  • 72c is the outer peripheral surface of the conical portion 72b.
  • reference numeral 73a denotes a shaft of the transport roller 73, which 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 73a and the rubber opening 73b rotate integrally by the frictional force between them. 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, it is possible to prevent 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.
  • 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. However, in the middle stage of transport of 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. Therefore, the outer peripheral surface 72 c of the conical portion 72 b of the auxiliary roller 72 approaches the transport roller toward the end of the disk guide 71.
  • the convex portion 71a formed on the disk guide portion 71 has a shape approaching the transport roller 73 from the center to the end.
  • a configuration is such that 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 7lb formed on the disk guide 71. It has become. 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 transport 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 viewed from the Q direction of Fig. 18 (A)
  • Fig. 18 (D) shows the configuration when Fig. 18 (A) is viewed.
  • the configuration when viewed from the R direction is shown.
  • Fig. 18 shows the state during disk playback.
  • FIG. 18 shows the state during disk playback.
  • reference numeral 74 a denotes a round hole into which the shaft 73 a of the transfer port roller 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 lock plate 74c described later —
  • the moving shaft supported by the Z-shaped hole formed in each of the slots, 74 d is — When a disc is inserted into the chassis, another disc is closed by closing the disc insertion slot.
  • a double insertion prevention claw that prevents insertion 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 when the disk is transported
  • FIG. 19 (B) shows the state when the disk is reproduced.
  • Reference numeral 75 denotes a first gear press-fitted into the shaft 73 a of the transfer roller
  • reference numeral 76 denotes a third gear for rotating the transfer roller, which is provided on the chassis 32.
  • Reference numeral 77 denotes a second gear press-fitted into the rotation 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 32.
  • 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 sandwiched 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. The power is transmitted to the transport roller via the first gear 78 and the first 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 rollers. I have.
  • 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)
  • 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 area enclosed by the curve a is the hook-shaped projection of the cam plate and the operating lever. The cross section at the position of the hook-shaped protrusion is shown.
  • FIGS. 20 (B), 21 (B) and 22 (B) show the portion surrounded by the curved line b on the right side of the chassis.
  • Figures 23 (B), 24 (B) and 25 (B) show the right side of curve c as the right side plate of the chassis. ing.
  • 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 configuration of the cam plate when viewed from the direction P in Fig. 20 (A).
  • Fig. 20 to Fig. 26 81 slides in the direction 8-8, and slides in the direction B so that the disc is not pinched by the evening table and the disc clamp.
  • the operating lever is arranged on the cam plate 81.
  • 83 is a first link member for fixing the regeneration 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 a long 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.
  • a Z-shaped hole that supports the moving shaft 74c provided in the slide 74 and guides the moving shaft 74c in accordance with the slide movement of the cam plate 81, and a 81c is provided in the regeneration unit.
  • a horizontal hole for supporting the first positioning shaft 44a and guiding the first positioning shaft 44a in accordance with the sliding movement of the cam plate 81, and 81d is provided in the reproduction unit.
  • the horizontal groove supports the second positioning shaft 44b, and guides the second positioning shaft 44b in accordance with the sliding movement of the cam plate 81.
  • Release hole for releasing the support of the positioning shaft 4 4 a, 8 1 f is the release groove for releasing the support of the second positioning shaft 4 4 b by the horizontal groove 8 1 d, 8 1 g is the release groove
  • the rotation axis of the first link member 83 inserted into the round hole formed in the first link member 83, 81h is a right side bent portion 54e provided on the pressure arm 54 (Refer to Fig. 11 to Fig.
  • 8 1 i is a concave part formed on the upper part of cam plate 81
  • 8 1 j Is a through hole through which the reduction gear group 78 penetrates
  • 8 1 k is formed in the operating lever 82
  • 8 2 a is arranged in the concave portion 8 1 i formed in the cam plate 81, and by pressing the concave portion 8 1 i, the cam plate is moved together with the sliding movement of the operating lever 82.
  • 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.
  • 32c On the right side plate of the chassis 32, 32c is a key-shaped claw that engages with the long hole 81a formed in the cam plate 81, and 32d is provided on the first link member 83.
  • Z-shaped hole that supports the moving axis 83a, and guides the moving axis 83a along with the slide movement of the cam plate 81, and 32e is the slide in the B direction of the cam plate 81.
  • a stop claw for stopping the movement, 32 f is formed at a position where the hook-shaped protrusion 81 k formed on the cam plate 81 and the hook-shaped protrusion 82 c formed on the operating lever 82 are connected and disconnected.
  • the opening see Fig. 8).
  • the moving shaft 83 a provided on the first link member 82 is attached to the right plate of the chassis 32.
  • the first link member 82 moves along the formed Z-shaped hole 32c, and the first link member 82 moves to the first link member 82 provided on the cam plate 81. It is configured to rotate around the rotating shaft 81 g.
  • 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 44b is fixed in the horizontal groove 81d.
  • the cam plate 81 slides in the direction A the horizontal hole 81c supports the first positioning shaft 44a and the horizontal groove 81d supports the second positioning shaft 44b. Is canceled.
  • the moving shaft 74 c provided on the transfer unit base 74 is formed in a Z-shape formed on the cam plate 81.
  • the transfer unit base 74 moves along the hole 81b, and rotates around the rotation shaft 74b.
  • the transport opening 74 moves in the direction of nipping the disk between the transport 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. ing. Then, the operating lever 82 is 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 is formed on the cam plate 81. The recess 8 1 i is pressed against the recess 8 1 i. For this reason, the cam plate 81 is configured to slide in the A direction in accordance with the movement of the operating lever 82.
  • the convex portion 8 2 a formed on the operating lever 82 comes into contact with the concave portion 81 i formed on the cam plate 81, the first portion formed on the cam plate 81 is formed.
  • the hook-shaped projection 81k and the second hook-shaped projection 82c formed on the operating lever 82 are connected to each other.
  • the reduction gear group 78 is set. The reverse rotation causes the operating lever 82 to slide in the direction B, and the second hook-shaped projection 8 2c formed on the operating lever 82 to the first hook-shaped projection 8 formed on the cam plate 81. It is configured to press lk.
  • the cam plate 81 slides in the B direction in conjunction with the sliding movement of the operating lever 82.
  • the driving force of the reduction gear group 78 causes the operating lever 82 to slide further in the direction B, and the cam plate 81, which slides in accordance with the sliding movement of the operating lever 82, forms the chassis 32. It hits the stop claw 32 e formed on the right side plate of the, and returns to the initial position. Then, due to the driving force of the reduction gear group 78, only the operating lever 82 further slides in the direction B, and the first hook-like projection 81k and the second hook-like projection 82c are disengaged. Configuration.
  • the operating lever 82 is pulled in the direction B by the force of the fourth spring 84 and returns to the initial position.
  • the slide lock is pressed.
  • the first hook-shaped projection 81k formed on the cam plate 81 and the second hook-shaped projection 82c formed on the operating lever 82 are disengaged from the position where they are connected. And the first hook-shaped projection 81k is bent and the first hook-shaped projection 81k and the second hook-shaped projection 82c are connected or disconnected. Has become. Further, in this disc device, the first hook-shaped projection 81k formed on the cam plate 81 and the second hook-shaped projection 82c formed on the operating lever 82 are connected and disconnected at a position where the first hook-shaped projection 81k and the second hook-shaped projection 82c formed on the operating lever 82 are connected and disconnected. An opening 32 is formed in the right side plate of the chassis 32.
  • 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.
  • Fig. 27 (A) shows the configuration of the lock plate and its related parts when viewed from the X direction in Fig. 1, and Figs. 27 (B) and 28 show the lock plate and its related parts.
  • Fig. 27 (A) shows the configuration when viewed from the P direction.
  • FIG. 27 shows a state when the disk is transported
  • FIG. 28 shows a state when the disk is reproduced.
  • 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, between the left side plate of the chassis 32 and the regeneration unit. It is provided in.
  • Reference numeral 86 denotes a second link member for fixing the playback 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 for engaging 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 positioning shaft 44c and guides the third positioning shaft 44c in accordance with the sliding movement of the lock plate 85, and 85d is the third positioning using the horizontal hole 85c.
  • a release hole for releasing the support of the shaft 44c, 85e supports the moving shaft provided on the second link member 86, and guides the moving shaft along with the sliding movement of the lock plate 85. This is an L-shaped hole.
  • 86a is a rotating shaft inserted into a round hole formed in the left side plate of the chassis 32
  • 86b is an L-shape formed in the lock plate 85.
  • the moving shaft supported by the hole 85e, 86c sandwiches the third positioning shaft 44c provided on the playback unit when the lock plate 85 is moving in the slide B direction. It is a holding part.
  • 32g is a round hole into which the rotating shaft 86a provided in the second link member 86 is inserted.
  • FIG. 29 is a configuration diagram showing a reproduction unit base in the disk 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
  • Fig. 29 (B) shows the playback unit base in Fig. 29.
  • (A) shows the configuration when viewed from the P direction.
  • FIG. 29 shows a state in which a 12 cm disc is lifted from the turntable.
  • the 12 cm disk D is indicated by a two-dot dashed line.
  • reference numeral 51a denotes a rear side surface which is a side surface of the reproduction unit base 51 opposite to the disk insertion side.
  • 5 lb is formed by processing 5 la of the rear side surface of the reproduction unit base 51 so that the 12 cm disk D and the reproduction unit base 51 contact each other at the outer edge of the 12 cm disk D. And a trapezoidal shape when the reproduction unit base 51 is viewed from above.
  • 5 1 c Is the ridgeline of the notch portion 51b where the 12cm disk D contacts, and corresponds to the oblique side of the trapezoidal notch portion 51b.
  • the rear side surface 51 a of the reproduction unit base 51 is machined and cut so that the 12 cm disk D contacts the reproduction unit base 51 at the outer peripheral edge of the 12 cm disk D. 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 oblique side of the trapezoidal notch 51 is formed.
  • the notch where the 12 cm disk D contacts is 5 lb ridgeline 5 1 c.
  • the third motor 76 starts, and the third motor 76 rotates. Is transmitted to the transport roller 73 via the second gear 77, the reduction gear group 78, and the first gear 75, and the transport roller 73 rotates (see FIG. 19A).
  • the 8 cm disc D When the 8 cm disc D is inserted into the chassis 32, the 8 cm disc D is fitted with the convex portion 71 a formed on the disc guide 71 And transported to the regenerating unit 41 by the rotation of the transport rollers 73.
  • the 8 cm disk D comes into contact with the contact portion 61 a of the disk stopper 61, and is pushed by the 8 cm disk to move the disk flange 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 is pushed by the pressurizing portion 6 3b of the slide lock 63 and slides in the direction A (see FIGS. 11 and 12).
  • the 12 cm disc D comes into contact with the contact pin 64 a provided on the front arm 64, and the front arm 64 rotates while holding the disc D against the 12 cm disc D. Then, the slide lock 63 is moved by being pressed by the pressurizing portion 64b of the front arm 64, and the regulating pin 63c positioned at the first regulating portion 62e is moved to the first regulating portion 62e. Get off. Then, with the regulating pin 63c removed from the first regulating portion 62e, the 12cm disc D contacts the contact portion 61a of the disk stopper 61 and is pushed by the 12cm disc. The disk stopper 61 moves in the B direction.
  • the lever stopper 62 rotates in accordance with the movement of the disk stopper 61. And di
  • 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 slide lock 63 rotates in accordance with the rotation of the lever stopper 62. Rotate. 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 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, thereby causing the cam plate to move. 8 1 is actuated. Along with the movement of the lever 82, it slides in the direction A (see Fig. 20 to Fig. 24).
  • the transport unit When the cam plate 81 slides in the direction A, the transport unit The moving shaft 74c provided on the unit base 74 moves along the Z-shaped hole 81b formed in the cam plate 81, and the transport unit base 74 moves about the rotating shaft 74b. Rotate. Then, 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).
  • the moving shaft 74c provided on the transfer unit base 74 moves along the Z-shaped hole 85b provided on the lock plate 85, and the lock plate 85 slides in the A direction. You. Then, 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. Then, the support of the third positioning 44 c by the horizontal hole 85 c is released (see FIGS. 27 and 28).
  • 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 bending portion 54 e provided at the disk D, and the disk D is clamped between the evening table 52 and the disk clamp 55, and the turntable 52 is moved to the turntable 52. It is mounted (see Fig. 11 to Fig. 14). At this time, the disc transfer completion switch is pressed by the pressure arm 54, and the third motor 76 is stopped.
  • the moving shaft 83a provided on the first link member 82 moves along the Z-shaped hole 32c formed in the right side plate of the chassis 32. Then, the first link member 82 rotates around the rotation shaft 81 g of the first link member 82 provided on the cam plate 81. Then, the first positioning shaft 44a is sandwiched by the holding portion 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 transfer unit base 74 moves along the Z-shaped hole 81b formed in the cam plate 81, and the transfer is performed.
  • the unit base 74 rotates around its rotation axis 74 b.
  • the transport roller 74 moves in a direction of nipping the disk D between the transport roller 74 and the disk guide portion 71.
  • the first gear 75 and the reduction gear group 78 are engaged with each other, and the rotation of the third motor 76 is performed by the second gear 77, the reduction gear group ⁇ 8, and the first gear 75. It is transmitted to the conveying roller 73 via the gear 75, and the conveying roller 73 rotates (see Fig.
  • the disc is transported to the disc input port 3 3 and discharged out of the chassis 32. Also, when the disc stopper 61 moves in the direction A and returns to the initial position, the engaging portion 61b provided on the disc stopper 61 comes into contact with the holding member 65, and the lever stopper stops. The engaging portion 61b presses the holding member 65 by the force of the first spring 66 connected to the slide lock 63 (see FIGS. 11 and 12).
  • the slide lock 62 rotates in the reverse direction to that when the disc is inserted, and returns to the initial position. Then, the lever stopper 62 rotates in the reverse direction in accordance with the rotation of the slide lock 62, and the disk stopper 61 moves in the A direction in accordance with the rotation of the lever stopper 62.
  • the disc stopper 61 moves in the direction A, the 12 cm disc D is nipped between the convex portions 71 a formed on the disc guide portion 71 and the transport rollers 73 at the initial stage and the final stage of transport, and is transported.
  • the auxiliary roller 72 attached to the disk guide 71 and the transfer port ⁇ 73 are nipped and transported to the disk insertion port 33 by the rotation of the transfer roller 73, and discharged to the outside of the chassis 32.
  • the disc stopper 61 moves in the direction A
  • the 12 cm disc D first contacts the contact pin 64 a provided on the front arm 64, and is pushed by the disc 12 cm.
  • 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.
  • the force of the first spring 66 coupled to the lever stopper 62 and the slide lock 63 is used to move the lever stopper 62.
  • the disk stopper 61 further moves 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 engaged.
  • the engaging portion 61b 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 stopper 61 does not rattle and an effect of preventing generation of abnormal noise can be obtained.
  • the auxiliary roller 72 is formed such that the outer peripheral surface 72c of the conical portion 72b is formed by the convex roller 71a formed on the disk guide 71. 7 At the end of the 12 cm disk transport, the disk D is positioned at the end of the disk guide 71 so that it is located on the 3rd side. 7 3 And sandwiched between. As a result, in the middle stage of transporting a 12-cm disc, the force applied to the 12-cm disc in the opposite direction to the transport direction is reduced, so that the 12-cm disc can be transported smoothly, and the 12-cm disc is inserted and ejected. The effect of preventing the failure can be obtained.
  • the rotation shaft 72 a of the auxiliary roller 72 is configured to be pressed in the axial direction by the plate 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 rotation 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 the 12 cm disk, the 12 cm disk comes into contact with the auxiliary roller 72 only at the outer peripheral edge thereof, so that the recording surface of the 12 cm disk can be prevented by the auxiliary roller 72. You.
  • the first hook-shaped projection 81 k is formed on the upper portion of the cam plate 81, and the operating lever 82 is slid in the disk ejection direction on the operating lever 82.
  • the concave portion 8 1 i formed on the upper portion of the cam plate 8 1 comes into contact with the convex portion 8 2 a formed on the operating lever 8 2, the operating lever is connected to the first hook-shaped projection 8 1 k.
  • the first plate formed on the cam plate 81 is formed.
  • An opening 3 2 f was formed in the right side plate of the chassis 32 at a position where the hook-shaped projection 8 1 k of No. 1 and the second hook-shaped projection 8 2 c formed on the operating lever 8 2 were connected to and disconnected from each other. Therefore, by bending the first hook-shaped projection 81k, an effect of easily connecting and disconnecting the first hook-shaped projection 8lk and the second hook-shaped projection 82c can be obtained. can get.
  • the 12 cm disc and the playback unit base 51 are located at the outer peripheral edge of the 12 cm disc.
  • the back side 51 a of the playback unit base was machined so that the cutout 51 b was formed, so that the 12 cm disc was lifted from the turntable 52.
  • the 12 cm disc comes into contact with the reproduction unit base 51 only at the outer peripheral edge thereof, and the effect of preventing the recording surface of the 12 cm disc from being damaged can be obtained.
  • the notch 51b is formed so as to have a trapezoidal shape when the reproducing unit base 51 is viewed from above, so that a 12 cm disc can be reproduced.
  • the tangent line of the 12 cm disc at the position where it contacts the 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 small. The following effects can be obtained.
  • Embodiment 2 is different from Embodiment 1 only in the configuration of the cam plate.
  • FIG. 30 to FIG. 32 are configuration diagrams showing a cam plate and its related components in a disk device according to Embodiment 2 of the present invention.
  • Fig. 30 (A) shows the cam plate and its related parts when viewed from the X direction in Fig. 1.
  • Fig. 30 (B) shows the configuration when the cam plate and its related parts are viewed from the P direction in Fig. 30 (A).
  • FIG. 30 shows the state of the first stage when the disk is transported
  • FIG. 31 shows the state of the second stage when the disk is transported
  • FIG. 32 shows the state during the reproduction of the disk.
  • FIG. 30 shows the state of the first stage when the disk is transported
  • FIG. 31 shows the state of the second stage when the disk is transported
  • FIG. 32 shows the state during the reproduction of the disk.
  • FIG. 30 shows the state of the first stage when the disk is transported
  • FIG. 31 shows the state of the second stage when the disk is transported
  • FIG. 32 shows the state during the reproduction of the disk.
  • FIG. 33 is a configuration diagram showing a cam plate in a disk device according to Embodiment 2 of the present invention.
  • FIG. 33 shows the configuration when the cam plate is viewed from the direction P in FIG. 30 (A).
  • reference numeral 8lm denotes a rack which engages with the reduction gear group 78 to move the cam plate 81, and has a through hole 81j through which the reduction gear group 78 penetrates.
  • the surrounding cam plate 81 is formed at a position overlapping the rack 82 b formed in the operating lever 82 in the portion of the surrounding cam plate 81.
  • the other components are the same as or equivalent to those denoted by the same reference numerals in FIGS. 20 to 26, and thus description thereof is omitted.
  • the operating lever 82 moves in the direction A, and the rack 82 b 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 formed on the operating lever 82 is formed into the concave portion 81 formed on the cam plate 81. It is configured to abut against i and press the recess 8 1 i. For this reason, the cam plate 81 moves in the direction A in accordance with the movement of the operating lever 82. When the cam plate 81 moves in the direction A, the rack 81 m formed on the cam plate 81 engages with the reduction gear group 78. With such a configuration, since the cam plate 81 is moved by the driving force of the reduction gear group 78, the load on the operating lever 82 can be reduced. Fruit is obtained.
  • the reduction gear group 78 rotates in the reverse direction, and the operating lever 82 and the cam plate 81 move in the B direction.
  • the rack 81m formed on the cam plate 81 is disengaged from the reduction gear group 78, the second hook-like projection 82c formed on the operating lever 82 is attached to the cam plate 81.
  • the cam plate 81 moves in the direction B in accordance with the movement of the operating lever 82.
  • the operating lever 82 is further moved in the direction B by the driving force of the reduction gear group 78, and a cam plate 81, which moves in accordance with the movement of the operating lever 82, is formed on the right side plate of the chassis 32. Only the actuating lever 82 is moved further in the direction B by hitting the locking pawl 32 e. At this time, 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 are separated from each other. .
  • the operation lever 8 2 The fourth spring 84 pulls in the direction B to return to the initial position and presses the slide lock. With such a configuration, the cam plate 81 and the operating lever 82 can return to the initial positions, preventing the disk from being unable to be ejected out of the chassis. Since it moves by the driving force of 78, the effect of reducing the load on the operating lever 82 can be obtained.
  • the disk device according to the present invention is suitable for use as a vehicle-mounted disk device into which two disks having different sizes can be inserted.

Landscapes

  • Feeding And Guiding Record Carriers (AREA)

Abstract

L'invention concerne une unité de disques présentant une première protubérance en forme de crochet (81k), formée sur la partie supérieure d'un plateau (81) de manière à pouvoir déplacer un bras de pression et un rouleau transporteur, une seconde protubérance en forme de crochet (82c) étant par ailleurs destinée à se raccorder à cette première protubérance en forme de crochet (81k) lorsqu'un levier d'actionnement (82) coulisse dans le sens de déchargement des disques, permettant ainsi à une rainure (81i) ménagée sur la partie supérieure dudit plateau (81), et à une protubérance (82a) formée sur ledit levier d'actionnement (82), de buter l'un contre l'autre et de se détacher de la première protubérance en forme de crochet (81k), une fois que ledit levier d'actionnement (82) coulisse dans le sens de l'insertion des disques, ce levier d'actionnement (82) permettant en outre de faire coulisser ledit plateau (81).
PCT/JP1998/002773 1998-06-22 1998-06-22 Unite de disques WO1999067780A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP1998/002773 WO1999067780A1 (fr) 1998-06-22 1998-06-22 Unite de disques
AU80378/98A AU8037898A (en) 1998-06-22 1998-06-22 Disk unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1998/002773 WO1999067780A1 (fr) 1998-06-22 1998-06-22 Unite de disques

Publications (1)

Publication Number Publication Date
WO1999067780A1 true WO1999067780A1 (fr) 1999-12-29

Family

ID=14208448

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1998/002773 WO1999067780A1 (fr) 1998-06-22 1998-06-22 Unite de disques

Country Status (2)

Country Link
AU (1) AU8037898A (fr)
WO (1) WO1999067780A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08111054A (ja) * 1994-10-07 1996-04-30 Fujitsu Ten Ltd ディスク状記録媒体のローディング装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08111054A (ja) * 1994-10-07 1996-04-30 Fujitsu Ten Ltd ディスク状記録媒体のローディング装置

Also Published As

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AU8037898A (en) 2000-01-10

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