KR20130034365A - Slot-in type optical disc drive - Google Patents

Slot-in type optical disc drive Download PDF

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Publication number
KR20130034365A
KR20130034365A KR1020110098341A KR20110098341A KR20130034365A KR 20130034365 A KR20130034365 A KR 20130034365A KR 1020110098341 A KR1020110098341 A KR 1020110098341A KR 20110098341 A KR20110098341 A KR 20110098341A KR 20130034365 A KR20130034365 A KR 20130034365A
Authority
KR
South Korea
Prior art keywords
optical disk
shaft
optical disc
slot
spindle motor
Prior art date
Application number
KR1020110098341A
Other languages
Korean (ko)
Inventor
형민
유계연
Original Assignee
주식회사 히타치엘지 데이터 스토리지 코리아
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 주식회사 히타치엘지 데이터 스토리지 코리아 filed Critical 주식회사 히타치엘지 데이터 스토리지 코리아
Priority to KR1020110098341A priority Critical patent/KR20130034365A/en
Publication of KR20130034365A publication Critical patent/KR20130034365A/en

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
    • G11B33/08—Insulation or absorption of undesired vibrations or sounds
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/12—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
    • G11B33/121—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules the apparatus comprising a single recording/reproducing device
    • G11B33/123—Mounting arrangements of constructional parts onto a chassis
    • G11B33/124—Mounting arrangements of constructional parts onto a chassis of the single recording/reproducing device, e.g. disk drive, onto a chassis
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs

Abstract

PURPOSE: A slot-in type optical disk drive is provided to reduce vibrations and noises by touching the end of a shaft with a wear resistance sheet which is attached to a cover sash when the cover sash is downwardly pressed. CONSTITUTION: A clamp portion(30) chucks and rotates an optical disk. A shaft(37) is placed on the center of a spindle motor. On end of the shaft is combined with the spindle motor to deliver rotation power of the spindle motor to the clamp portion. The other end of the shaft is protruded toward the clamp portion. A wear resistance sheet(21) is attached to a cover sash(22) facing the other end of the shaft.

Description

Slot-in type optical disc drive

The present invention relates to a type optical disc drive, which is a slot for recording or reproducing data on various types of optical discs such as CDs, DVDs, BDs and the like, for example.

In general, an optical disc drive (ODD) is a device for recording or reproducing data using a laser beam on various types of optical discs such as CDs, DVDs, BDs, and the like. It is used.

On the other hand, the optical disk drive (ODD), the tray type (Tray type) optical disk drive for loading or unloading by mounting the optical disk in the tray (Tray), and when the optical disk is inserted through the opening provided in the front There is a slot-in type optical disk drive in which an optical disk is automatically inserted by a drive motor.

Since the slot-type optical disk drive is provided with a plurality of rollers which come into contact with the side surface of the optical disk and moves the optical disk, a separate mechanism device such as a tray is omitted, which makes it possible to miniaturize compared to the tray type optical disk drive. Do.

The present invention provides, for example, a slot-type optical disc drive for preventing damage to an optical disc and efficiently reducing noise and vibration, even if external force is applied to the slot-type optical disc drive. It is for.

Slot-in type optical disk drive according to the present invention, the spindle motor; A clamp unit for chucking and rotating the optical disk; And a shaft provided at a central portion of the spindle motor and having one end coupled to the spindle motor to transmit the rotational force generated by the spindle motor to the clamp portion, wherein the other end of the shaft is the clamp portion. It is characterized in that the wear-resistant sheet is attached to the inner side of the cover chassis which protrudes higher and is opposed to the other end of the shaft,

In addition, the other end of the shaft is a hemispherical protruding shape, characterized in that the cover chassis is not formed with a through hole,

In addition, when the cover chassis is pressed downward, the other end of the shaft is characterized in that the contact with the wear-resistant sheet.

In the slot-in type optical disk drive according to the present invention, for example, an end of a shaft of the spindle motor for rotating the optical disk at high speed is formed to protrude higher than other portions of the clamp portion, and a wear resistant sheet is attached to the inside of the cover chassis. Therefore, even if the cover chassis is pressed downward, for example, the end of the shaft comes into contact with the wear resistant sheet attached to the inside of the cover chassis, thereby reducing noise and vibration, and the like. It is possible to effectively prevent the damage of the optical disc.

1 illustrates a perspective view of an embodiment of a slot-in type optical disk drive according to the present invention;
Figure 2 shows a plan view of an embodiment of a slot-in type optical disk drive according to the present invention,
Figure 3 shows a perspective view of an embodiment of the clamp portion of a slot-in type optical disk drive according to the present invention,
Figure 4 shows a cross-sectional view of an embodiment of a clamp portion of a slot-in type optical disk drive according to the present invention,
5 and 6 illustrate the operation of the shaft of the slot-in type optical disk drive according to the present invention.

Hereinafter, a preferred embodiment of a slot-in type optical disc drive according to the present invention will be described in detail with reference to the accompanying drawings.

First, the slot-in type optical disk drive according to the present invention includes, for example, a main body 20, a bezel 26, an optical disk insertion hole 28, and the like, as shown in FIG. Protects each of the internal components from external shocks.

The main body 20 is assembled by fastening the cover chassis 22 and the bottom chassis 24. The cover chassis 22 and the bottom chassis 24 are press-processed steel sheets or injection molded plastic. To produce.

In addition, the wear resistant sheet 21 is attached to the inner center portion as shown in FIG. 1 while removing the through hole at the center of the cover chassis 22. The wear resistant sheet 21 is a spindle motor. Is attached to the position corresponding to the shaft end of the.

Meanwhile, the bezel 26 provided on the front surface of the main body 20 may be produced by a plastic injection method, or may be integrally formed with the cover chassis 22 or the bottom chassis 24, and the bezel 26 may include: An operation button 27 for controlling the operation of the optical disc drive 10 and an indicator light 25 indicating an operation state are provided, and an optical disc insertion hole 28 is provided.

The optical disk insertion hole 28 is a passage for loading and inserting the optical disk D into the main body 20 or unloading and discharging the optical disk D to the outside. It does not protrude out of, and the user can simply load the optical disc by an operation of slightly pushing the optical disc into the optical disc insertion hole 28.

FIG. 2 is a plan view of the cover chassis removed, and the slot-type optical disc drive includes a clamp unit 30 for chucking the loaded optical disc D to generate rotational force, and a rotating optical disc D. FIG. An optical pickup unit 40 for reading or recording data, guide arms 50 and 60 for guiding movement in the loading or unloading process of the optical disc D, and an emergency ejection device 70 are included.

In addition, the clamp unit 30 is a device for rotating the optical disk (D) by the rotational force generated by the spindle motor, the lifting frame 32 for chucking the loaded optical disk (D) and the clamping region of the optical disk (D) A turntable 34 in contact with D1, a clamp head 36, and an optical disk fixing portion 38 for generating a coupling force in the inner circumference of the optical disk D are included.

In addition, the lifting frame 32 is provided obliquely in a diagonal direction at the center of the optical disk drive 10 in which the turntable 34 is located. For example, when the loading of the optical disk D is completed, The lifting frame 32 is moved upward in the thickness direction of the optical disc drive 10.

The turntable 34 is a portion of the clamp unit 30 that substantially contacts the clamping region D1 of the optical disk D, and the clamping region D1 is the innermost side of the optical disk D. FIG. The data is not recorded in the clamping area D1.

On the other hand, the turntable 34 may be formed of a rubber material or a soft plastic material to increase the contact force of the optical disk (D), the clamp head 36 is a convex area of the upper side of the center of the turntable 34, the optical disk high A government 38 is prepared.

The optical pickup unit 40 reads or records data from the optical disk D that is chucked by the clamp unit 30 and rotates. The optical pickup unit 40 irradiates a surface of the optical disk D and reflects the laser. An optical pickup 42 for detecting data and reading data, and an optical pickup transfer unit for moving the optical pickup 42 to a position suitable for reading or recording data.

In addition, the guide arms 50 and 60 provide a driving force to the optical disks D loaded or unloaded, or guide the moving optical disks D to be positioned in position. ) May be moved by the driving force generated in the driving motor 71 included in the emergency eject device 70.

In addition, the guide arms 50 and 60 are provided in parallel with the optical disk insertion hole 28 and contact with one surface of the optical disk D to be loaded or unloaded, and a roller guide for applying a driving force to the optical disk D; It includes first and second guide arms (50, 60) for guiding the movement of the optical disk (D) on the left and right sides of the optical disk (D) being loaded or unloaded.

Meanwhile, as shown in FIG. 2, the right side is the first guide arm 50 and the left side is the second guide arm 60 with respect to the clamp part 30. When the optical disc D is inserted, it is primarily moved along the outer circumferential surface of the optical disc D loaded in contact with the outer circumferential surface of the optical disc D.

In addition, the first guide arm 50 restrains the rightward movement of the optical disc D to be inserted. That is, the optical disk D is loaded into the optical disk drive 10 by a user applying an external force to the optical disk insertion port and pushing the optical disk D and a driving force by the roller guide.

In this case, even when a force for moving the optical disc D to the right is applied, the movement is limited by the first guide arm 50, and when the loading of the optical disc D proceeds for a predetermined degree or more, the first The guide arm 50 pushes the optical disk D into the optical disk drive 10.

Meanwhile, when the optical disc D is inserted, the second guide arm 60 comes into contact with the outer circumferential surface of the optical disc D secondly after the first guide arm 50, and the second guide arm 60. ) Guides the movement of the optical disc D in the left front of the optical disc D to be inserted.

That is, when the side surface of the optical disk D inserted and loaded into the optical disk insertion hole contacts the second guide arm 60 at the initial position A, the second guide arm 60 is moved by the moving force in which the optical disk D is loaded. ) Rotates around the hinge shaft 62 in the rotational direction (R).

In addition, the second guide arm 60 rotated in the rotational direction R about the hinge axis 62 may be moved to a final position B, and the second guide arm 60 may be final. When the position B is reached, the loading process of the optical disc D is finished, and the chucking process by the clamp unit 30 is performed.

Meanwhile, the first and second guide arms 50 and 60 operate by the driving force generated by the driving device 71 included in the emergency ejection device 70. That is, when the motor that is the driving device 71 rotates, the driving force is transmitted through the gear unit 80 included in the emergency ejection device 70.

In addition, the driving force transmitted through the gear unit 80 is transmitted to the rack gear 91, and the driving force generated by the driving unit 71 is a rotational force up to the gear unit 80, but the rack gear 91. ), And is a linear movement in the front-rear direction of the optical disc drive 10.

In addition, the end of the rack gear 91 is connected to the link portion 93, so that if the rack gear 91 is moved to the rear of the optical disk drive 10, the link portion 93 of the optical disk drive 10 When the rack gear 91 moves forward of the optical disk drive 10, the link portion 93 is formed by bending the middle of the link portion 93. 2 is in the link portion state 93b.

In addition, since the other end of the link portion 93 is connected to the second guide arm 60, when the link portion 93 is in the first link portion state 93a, the second guide arm 60 is formed by the second guide arm 60. 1 guide arm state 60a, and when the link portion 93 is the second link portion state 93a, the second guide arm 60 is moved to the second guide arm state 60b.

The first guide arm state 60a is a state in which the optical disc D is pushed out or waiting for the insertion of the optical disc D. The second guide arm state 60b is a state in which the optical disc D is an optical disc drive ( 10) It is inserted inside.

3 is a perspective view of the clamp portion, and FIG. 4 is a cross-sectional view of the clamp portion, wherein the clamp portion 30 presses the optical disk (D in FIG. 5) from the inside to the outside of the optical disk (see FIG. 5). D) includes a clamp head 36 provided with an optical disk fixing portion 38 for fixing D), and a shaft 37 located at the center of the clamp head 36.

And, one end of the shaft 37 is connected to the spindle motor, the rotational force generated in the spindle motor is transmitted to the shaft 37, the rotational force transmitted to the shaft 37 is the clamp head 36 As it rotates, the optical disc (D of FIG. 5) coupled to the clamp head 36 is rotated.

In addition, the upper end 39 of the shaft 37 is provided with a shape protruding in the longitudinal direction of the shaft 37. That is, when the height from the turntable 34 to the clamp head 36 is H1 and the height from the turntable 34 to the upper end 39 of the shaft 37 is H2, the relationship of H1 <H2 is established. Therefore, the upper end 39 has a shape that extends upward more than the other components of the clamp portion 30.

In addition, since the upper end 39 of the shaft 37 protrudes in a hemispherical shape, as shown in FIG. 6, when the cover chassis 22 is pressed downward by an external force, the clamp portion 30 The upper end 39 of the shaft 37 protruding higher than other portions of the contact with the other contact.

That is, since the hemispherical protrusion shape, which is the upper end 39 of the shaft 37, is in point contact with the cover chassis, noise and vibration are reduced, and furthermore, the optical disk is in contact with the cover chassis and is damaged. Will be prevented.

Or more, preferred embodiments of the present invention described above, for the purpose of illustration, those skilled in the art, within the technical spirit and the technical scope of the present invention disclosed in the appended claims below, to further improve various other embodiments Changes, substitutions or additions will be possible.

10: slot-in type optical disk 20: main body
21: wear-resistant sheet 22: cover chassis
37: shaft

Claims (3)

Spindle motor;
A clamp unit for chucking and rotating the optical disk; And
Is provided in the central portion of the spindle motor, one end is coupled to the spindle motor, comprising a shaft for transmitting the rotational force generated in the spindle motor to the clamp portion,
The other end of the shaft is formed to protrude higher than the clamp portion,
And a wear-resistant sheet is attached to an inner side of the cover chassis opposite to the other end of the shaft. The method of claim 1,
The other end of the shaft is a hemispherical protrusion shape,
The cover chassis is a slot-in type optical disc drive, characterized in that no through hole is formed. The method of claim 1,
And the other end of the shaft is in contact with the wear resistant sheet when the cover chassis is pressed downward.
KR1020110098341A 2011-09-28 2011-09-28 Slot-in type optical disc drive KR20130034365A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110098341A KR20130034365A (en) 2011-09-28 2011-09-28 Slot-in type optical disc drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110098341A KR20130034365A (en) 2011-09-28 2011-09-28 Slot-in type optical disc drive

Publications (1)

Publication Number Publication Date
KR20130034365A true KR20130034365A (en) 2013-04-05

Family

ID=48436498

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020110098341A KR20130034365A (en) 2011-09-28 2011-09-28 Slot-in type optical disc drive

Country Status (1)

Country Link
KR (1) KR20130034365A (en)

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E601 Decision to refuse application