JP2010049774A - Optical disk device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an optical disk device having sufficient protection from dusts and high quality look because a driving mechanism is not exposed to a user. <P>SOLUTION: The optical disk device includes a first door 7 configured to close an opening, be opened before the insertion of an optical disk 10, and be closed after the insertion, gripping means 9a and 9b for gripping the inserted optical disk 10 in a direction vertical to the axial direction of a spindle motor 12, second doors 8a and 8b configured to close the section between the gripping means 9a and 9b of the housing 6 and the spindle motor 12 and be opened when the gripping means 9a and 9b grips the optical disk 10 and the first door 7 is closed, and means 15 for conveying the gripping means 9a and 9b to the spindle motor 12 side of the second doors 8a and 8b in the opened state of the second doors 8a and 8b. After the conveyance of the gripping means 9a and 9b to the spindle motor 12 side by the conveying means 15, the second doors 8a and 8b are closed, and the optical disk 10 released from the gripping means 9a and 9b is held by a holding means 14. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an optical disc apparatus for reproducing or reproducing / recording an optical disc such as a DVD (Digital Versatile Disk), a Blu-ray disc, and a CD (Compact Disk).

Optical disks have been increased in capacity, such as DVDs and Blu-ray disks, and optical disk devices that are recording / reproducing devices are increasingly built into television receivers.
Conventionally, in the optical disk apparatus, except for the portable type, it is common to put in and out the optical disk mounted on the tray. Recently, a slot-in drive method in which the optical disk is directly pushed in without using the tray has been adopted. It has become so.

  Patent Document 1 discloses an optical disc apparatus in which an optical head guide mechanism for guiding an optical head and a unit mechanism cover that covers a part of the optical head are provided, and the unit mechanism cover is connected by a unit mechanism and a spring and / or rubber. Has been. A dynamic vibration absorber is constituted by the spring and / or rubber and the unit mechanism cover functioning as a mass point, and the main vibration axis of the spring and / or rubber is made to coincide with the vibration direction of the unit mechanism cover. As a result, when the dynamic vibration absorber is mounted on the slim optical disk device, the optical disk device is reduced in vibration and dust-proof without providing a special space for installing the dynamic vibration absorber.

Patent Document 2 covers the upper, lower, left and right side surfaces of the deck portion with a sheet-like upper dustproof cover and lower dustproof cover, and prevents dust and dust from entering the inside of the deck portion from the opening of the deck portion. An optical disc apparatus is disclosed that prevents dust and dirt from adhering to an optical pickup section inside a deck section.
JP 2004-319005 A Japanese Patent Laid-Open No. 2002-133843

As described above, when an optical disk device is built in a television receiver, it is often arranged near the floor below the display. This method has a problem that the protection performance is insufficient. In addition, there is a problem that a drive mechanism such as a tray and a pickup is exposed to the user when the optical disc is inserted and removed, and the appearance is poor (it looks cheap).
The present invention has been made in view of the circumstances as described above, and provides an optical disc apparatus that has sufficient protection performance against dust and that has a high-grade feeling without the drive mechanism being exposed to the user. For the purpose.

  An optical disc apparatus according to the present invention is provided in the vicinity of the other bottom of the housing, holding means for holding an optical disc inserted from an opening provided in one bottom of a cylindrical housing having bottoms at both ends. A first door that closes the opening, is opened before the optical disc is inserted, and is closed after the optical disc is inserted; and a spindle motor that rotates the optical disc held by the holding means. The gripping means for gripping the inserted optical disk perpendicularly to the axial direction of the spindle motor, and the gripping means of the housing and the spindle motor are closed. The gripping means grips the optical disk and A second door that is opened when one door is closed, and the gripping means is carried to the spindle motor side of the second door with the second door opened. And the holding means holds the optical disc released by the gripping means after the gripping means is transported to the spindle motor side, and the second door is closed. It is characterized by being.

  In this optical disk apparatus, the holding means holds the optical disk inserted from the opening provided in one bottom of the cylindrical housing having the bottoms at both ends, and the spindle motor provided near the other bottom of the housing Then, the optical disk held by the holding means is rotated. The first door closes the opening provided at one bottom of the housing, opens before the optical disc is inserted, and closes after the optical disc is inserted. The gripping means grips the inserted optical disk perpendicular to the axial direction of the spindle motor. The second door closes between the gripping means of the housing and the spindle motor, and is opened when the gripping means grips the optical disk and the first door is closed, and the second door is opened and transported. The means conveys the gripping means to the spindle motor side of the second door. After the transporting means transports the gripping means to the spindle motor side, the second door is closed, and the holding means holds the optical disc released by the gripping means.

  The optical disk apparatus according to the present invention is characterized in that the holding means is provided in a state of protruding from the surface of the second door on the spindle motor side.

  The optical disk apparatus according to the present invention is characterized in that the first door and the second door are entirely or partially transparent.

  According to the optical disc apparatus of the present invention, it is possible to realize an optical disc apparatus that has sufficient protection performance against dust and that has a high-grade feeling without the drive mechanism being exposed to the user. Further, the drive mechanism can be a conventional tray type, and can improve versatility.

Hereinafter, the present invention will be described with reference to the drawings illustrating embodiments thereof.
FIG. 1 is a front view showing an external appearance of a television receiver incorporating an embodiment of an optical disk device according to the present invention.
The television receiver 1 is supported by a pedestal 5 and is built between the left and right under speakers 3 and 3 provided under the television screen 2 formed of a liquid crystal display and the under speakers 3 and 3. And a Blu-ray drive 4 which is an optical disc apparatus according to the present invention.

  The Blu-ray drive 4 is a vertical type that rotates in a state where an optical disc such as a Blu-ray disc is held in the vertical direction in order to be built in the thin television receiver 1. The user opens a door provided directly below the television screen 2 by operating a button (not shown) and / or manually, and places the optical disc in the vertical direction. Other operations of the Blu-ray drive 4 are performed by a remote control device (not shown) in the same manner as other operations of the television receiver 1.

FIG. 2 is a side longitudinal sectional view showing a cross section from the side of the Blu-ray drive 4, and FIG. 3 is a perspective view showing the outline of each part from the front of the Blu-ray drive 4.
The side longitudinal sectional view (FIG. 2) shows a state in which the dust-proof first lid 7 (first door) which is a door is opened and the optical disk 10 is inserted.
The Blu-ray drive 4 is housed in a rectangular tube-shaped housing 6 having bottoms at both ends, and the first dust-proof lid 7 closes an opening that occupies most of the bottom (one side) of the housing 6. To do.

As shown in FIG. 4, the first dust-proof lid 7 rotates to the front with a rotary hinge 17 provided at the lower end as a fulcrum, and the upper end is opened as shown in FIG. 5. The first dust-proof lid 7 is provided with a fan-shaped window 16 for visually recognizing the internal optical disk 10 in the upper right part.
Near the bottom (the other) bottom of the housing 6, as shown in FIG. 11, a rectangular plate-shaped main chassis 22 is provided substantially parallel to the bottom. FIG. 11 is a bottom perspective view showing the outline of each part when the Blu-ray drive 4 is viewed from below.

The main chassis 22 is configured to rotate back and forth around the rotation hinges 24 and 24 provided at the top and bottom of the left end when viewed from the front. The rotary hinge parts 24, 24 are fixed to the housing 6.
A chassis drive motor 19 for driving the chassis by a cam mechanism and a lever is fixed to the bottom (the other) bottom of the housing 6.

Two guide shafts 21 are fixed horizontally and parallel to each other on the front surface of the main chassis 22. The optical pickup 11 moves along the two guide shafts 21 by a drive motor 20 fixed to the main chassis 22.
A spindle motor 12 that rotates the optical disk 10 is fixed to the main chassis 22.

  When the first dust-proof lid 7 is opened and inserted, the optical disk 10 is vertically held by the two holding blades 9a and 9b (gripping means). The two holding blades 9a and 9b are opened to the left and right as shown in FIG. 6 when the optical disk 10 is not gripped. When the optical disc 10 is placed, the holding blades 9a and 9b rotate in opposite directions around the holding blade rotation fulcrum 18 until the optical disc 10 is gripped, as shown in FIG. While it is being driven, it is biased toward the optical disk 10. The holding blades 9 a and 9 b are driven by a holding blade opening / closing lever 13 that is interlocked with the chassis drive motor 19.

The two holding blades 9a and 9b are provided with grooves for loosely fitting the optical disk 10. The holding blade 9a has a wide blade portion and a correspondingly deep groove. When the optical disc 10 is placed, the holding blade 9a supports the optical disc 10 vertically only by the holding blade 9a.
The two holding blades 9 a and 9 b are held on the optical disc holding table 15 at the holding blade rotation fulcrum 18.

As shown in FIG. 2, when the first dustproof lid 7 is opened and the optical disk 10 is inserted, the dustproof second lids 8a and 8b (second second) are formed between the holding blades 9a and 9b of the housing 6 and the spindle motor 12. The door is closed. The dust-preventing second lids 8a and 8b are provided with spaces for accommodating the holding blades 9a and 9b between the dust-preventing first lid 7 and when opened, as shown in FIG. Separated into two parts, a right half part 8a and a left half part 8b, they are housed in respective door pockets (not shown) projecting from the housing 6.
A clamper (holding means) 14 is provided at the central portion of the dust-proof second lids 8a and 8b so as to protrude freely on the left half 8b and toward the spindle motor 12 side. The right half 8a of the second dustproof lid is provided with the same fan-shaped window 16a at the same position as the window 16 (FIG. 4) of the first dustproof lid 7, and the second dustproof lid The label surface of the optical disc 10 can be visually recognized in a state where 8a and 8b are closed.

  The dust-proof second lids 8a and 8b are opened by the chassis drive motor 19 when the holding blades 9a and 9b grip the optical disk 10 and the first dust-proof lid 7 is closed (FIG. 8). With the dust-proof second lids 8a and 8b opened, the optical disc holding base 15 is moved by the disc loading cam 23 (FIG. 11) interlocked with the chassis drive motor 19 as shown in FIG. 8a and 8b are conveyed to the spindle motor 12 side. As a result, the optical disk 10 held by the holding blades 9a and 9b is also conveyed to the spindle motor 12 side of the second dust-proof lids 8a and 8b.

As shown in FIG. 10, when the optical disc 10 gripped by the holding blades 9a and 9b is conveyed to the spindle motor 12 side of the second dust-proof lids 8a and 8b, the second dust-proof lids 8a and 8b It is closed by the chassis drive motor 19. When the second dust-proof lids 8a and 8b are closed, the main chassis 22 is rotated forward by the chassis drive motor 19 with the rotary hinges 24 and 24 as fulcrums, so that the spindle motor 12 is moved forward (FIG. 11). ). At the same time, the holding blades 9a and 9b open left and right to release the optical disc 10 as shown in FIG.
As a result, the optical disk 10 is held by the clamper 14 while being pressed by the spindle motor 12, and can be rotated by the spindle motor 12 (FIG. 12).

The operation of the Blu-ray drive 4 having such a configuration will be described below.
When the user operates a button (not shown) and / or manually opens the first dustproof lid 7 and places the optical disk on the holding blade 9a in the vertical direction, as shown in FIG. 2, the holding blades 9a and 9b As shown in FIG. 7, the optical disk 10 is rotated until it is gripped. At the same time, the dust-proof first lid 7 is closed by the chassis drive motor 19.
The holding blades 9a and 9b are urged toward the optical disc 10 while the optical disc 10 is held.

When the holding blades 9a and 9b grip the optical disk 10 and the first dustproof lid 7 is closed, the second dustproof lids 8a and 8b are opened by the chassis drive motor 19 as shown in FIG. .
When the second dust-proof lids 8a and 8b are opened, the optical disk 10 held by the holding blades 9a and 9b together with the optical disk holding base 15 is placed on the second dust-proof lids 8a and 8b as shown in FIG. It is conveyed to the spindle motor 12 side. The optical disk holding table 15 is conveyed by a disk loading cam 23 (FIG. 11) interlocked with the chassis drive motor 19.

When the optical disk 10 gripped by the holding blades 9a and 9b is conveyed to the spindle motor 12 side of the dust-proof second lids 8a and 8b, the dust-proof second lids 8a and 8b are as shown in FIG. It is closed by the chassis drive motor 19.
When the second dust-proof lids 8a and 8b are closed, the main chassis 22 rotates forward with the rotary hinge portions 24 and 24 (FIG. 11) as fulcrums, so that the spindle motor 12 moves forward. At the same time, the holding blades 9a and 9b open left and right to release the optical disc 10 as shown in FIG.
When the spindle motor 12 moves forward and the holding blades 9a and 9b release the optical disk 10, the optical disk 10 is held by the clamper 14 while being pressed by the spindle motor 12, as shown in FIG. The motor 12 can rotate.

While the optical disk 10 is rotated by the spindle motor 12, the optical pickup 11 reads information recorded on the optical disk 10 while moving along the two guide shafts 21 by the drive motor 20.
When the reading of the information on the optical disk 10 is completed, the optical disk 10 is held by the holding blades 9a and 9b and waits with the second dust-proof covers 8a and 8b closed as shown in FIG. When the removal of the optical disk 10 is instructed by a remote control device (not shown), as shown in FIG. 2, the first dustproof lid 7 is opened in the reverse order of the above-described operation, and the optical disk 10 is removed from the holding blade 9a. It can be taken out.
In the above embodiment, the optical disk apparatus that holds the optical disk vertically has been described. However, the present invention can also be applied to an optical disk apparatus that holds the optical disk horizontally, obliquely, and the like.

[BRIEF DESCRIPTION OF THE DRAWINGS] It is a front view which shows the external appearance of the television receiver incorporating the embodiment of the optical disk device based on this invention. It is a side longitudinal cross-sectional view which shows the cross section from the side of a Blu-ray drive. It is a perspective view which shows the outline of each part from the front of a Blu-ray drive. It is an external view which shows typically the 1st lid | cover for dustproof of a Blu-ray drive. It is a schematic diagram which shows typically the open state of the 1st cover for dustproof of a Blu-ray drive. It is a schematic diagram which shows typically the holding blade | wing of a Blu-ray drive. It is a schematic diagram which shows typically operation | movement of the holding blade | wing of a Blu-ray drive. It is explanatory drawing which shows typically the open state of the 1st cover for dustproof of a Blu-ray drive. It is a side longitudinal cross-sectional view which shows the cross section from the side of a Blu-ray drive. It is a side longitudinal cross-sectional view which shows the cross section from the side of a Blu-ray drive. It is a bottom perspective view which shows the outline of each part which looked at the Blu-ray drive from the lower part. It is a side longitudinal cross-sectional view which shows the cross section from the side of a Blu-ray drive.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Television receiver 2 Television screen 4 Blu-ray drive 6 Housing 7 Dust-proof first lid (first door)
8a, 8b Dust-proof second lid (second door)
9a, 9b Holding blade (gripping means)
10 optical disk 11 optical pickup 12 spindle motor 14 clamper (holding means)
DESCRIPTION OF SYMBOLS 15 Optical disk holding stand 16,16a Window 19 Chassis drive motor 20 Drive motor 22 Main chassis 23 Disc loading cam 24 Rotary hinge part

Claims (3)

A holding means for holding an optical disk inserted from an opening provided at one bottom of a cylindrical housing having bottoms at both ends, and an optical disk provided near the other bottom of the housing and held by the holding means In an optical disc device comprising a spindle motor for rotating
A first door that closes the opening, opens before the optical disc is inserted, and closes after the optical disc is inserted; and gripping means for gripping the inserted optical disc perpendicular to the axial direction of the spindle motor. A second door that is opened when the gripping means of the housing and the spindle motor are closed, the gripping means grips the optical disc, and the first door is closed; and Means for conveying the gripping means to the spindle motor side of the second door in the opened state, and after the means conveys the gripping means to the spindle motor side, the second door is closed. An optical disc apparatus characterized in that the holding means holds the optical disc released by the gripping means.   2. The optical disc apparatus according to claim 1, wherein the holding means is provided in a state protruding from a surface of the second door on the spindle motor side.   3. The optical disk device according to claim 1, wherein the first door and the second door are transparent or semi-transparent in whole or in part.

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