JP2002133843A - Optical disk unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the penetration of dirt or dust from the outside through an opening part provided on an optical disk unit so that the dirt or dust does not make the disk illegible by adhering to an optical pickup part. SOLUTION: By covering the side faces of the four directions of a deck part 1 with a sheet-like upper side dustproof cover 9 and a lower side dustproof cover 10, the dirt or dust or the like is inhibited from penetrating the inside of the deck part 1 from the opening part 2 of the deck part 1, and from adhering to the optical pickup part in the deck part 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical disk device having an optical pickup unit provided therein, and more particularly to a CD or DVD.
The present invention relates to an optical disk device that performs reproduction or storage using an optical disk such as an optical disk.

[0002]

2. Description of the Related Art A conventional optical disk device requires an opening on each side of a chassis for mounting an optical pickup unit and the optical pickup unit and other components, and for facilitating operation check. The chassis of the optical disk device has been further attached to a set chassis surrounding the optical disk device by a mounting bracket.

[0003]

However, in the conventional optical disk apparatus, there is a possibility that dust or dirt entering from the outside through the opening adheres to the optical pickup section, and the optical pickup section becomes dirty, making it impossible to read the disk or the like. .

[0004] Therefore, an object of the present invention is to provide an excellent optical disk device capable of preventing dust and dirt from entering from outside through an opening.

[0005]

According to the present invention, there is provided an optical disk apparatus including an optical pickup unit provided therein, an apparatus main body having an opening in the periphery, an insertion section for inserting an optical disk into a front surface of the apparatus main body, And a cover for covering the cover.

Accordingly, it is possible to prevent the dust from adhering to the optical pickup unit through the opening by the cover without processing the apparatus body having the opening.

In the optical disk apparatus of the present invention, the cover is a sheet member. Therefore, the weight of the cover part can be reduced, and furthermore, it is possible to make it difficult to resonate with the vibration of the apparatus body.

In the optical disk device of the present invention, the cover is made of a transparent member. Therefore, the inside can be easily viewed from the opening through the cover, and the position and operation of internal parts can be easily confirmed and inspected. Note that the transparent member is a member having high transparency, and includes a translucent member.

In the optical disk device of the present invention, the cover is made of an antistatic material. Therefore, the dust can be prevented from adhering to the optical pickup unit by preventing the dust or dust from approaching the cover unit by the antistatic material, so that the cover unit can further prevent the dust or dust from adhering.

Further, the optical disk device of the present invention has a configuration in which an adhesive is provided on at least one surface of the cover.

Therefore, it is difficult for dust and dirt adhering to the cover to separate, and it is difficult for dust and dirt adhering to the cover to adhere to the optical pickup again.

Further, the optical disk device of the present invention includes a mounting member fixed to the device main body and mounting the device main body, wherein the cover is provided between the device main body and the mounting member. .

[0013] Therefore, by sandwiching the cover between the apparatus main body and the mounting member, the cover can be hardly separated from the apparatus main body. In addition, since a gap is provided between the apparatus main body and the mounting member in advance, and a plurality of cover portions that can be inserted into the gap can be selected, after mounting the apparatus main body and the mounting member,
Covers of different shapes and materials can be exchanged according to the use environment.

Further, the optical disk device of the present invention is provided with a dust proof pad having an opening at a position facing the insertion portion.

Accordingly, the cover prevents the dust and dirt from adhering to the optical pickup through the opening, and also prevents the dust and dirt invading from around the insertion opening from adhering to the optical pickup by the dustproof pad. can do.

Further, the optical disk device of the present invention has a configuration in which a DVD is used as an optical disk inserted into the insertion section.

Therefore, when the DVD is used as the optical disk, the cover can prevent the dust and dirt from adhering to the optical pickup through the opening.

Further, the optical disk device of the present invention has a configuration in which the device main body is mounted on a vehicle. Therefore, it is possible to prevent the dust in the vehicle compartment from adhering to the optical pickup unit through the opening by the cover.

[0019]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is an exploded perspective view of an on-vehicle optical disc reproducing apparatus according to an embodiment of the present invention.

In FIG. 1, on each side surface of a deck portion 1 which is an optical disk device main body including an optical pickup portion,
An opening 2 is provided for facilitating attachment of the components inside the deck portion 1 and for confirming the attachment position and operation thereof, and for reducing the weight by cutting off a part of the side surface. Inside the deck unit 1, in addition to the optical pickup unit, mechanical parts such as a turntable for reproducing an optical disk (medium) such as a CD, a disk pressing unit, a motor, a loading mechanism, a damper for absorbing vibration, and a control circuit. And electrical components are provided. Some of the openings 2 are processed so as to provide cut-and-raised pieces for fixing a damper attached to the interior of the deck portion 1 and a spring used for a loading mechanism.

A front angle 4 is attached to the front surface 3 of the deck portion 1 and a rear angle 6 is attached to the rear side surface 5 by screws 7. The deck portion 1 is set by the front angle 4 and the rear angle 6 to a set chassis portion or the like. At a predetermined installation position.

Further, the opening 2 provided on the upper side surface 8 of the deck 1 is covered with an upper dustproof cover 9 which is a cover formed of a thin plate-like sheet made of translucent polycarbonate. The opening provided on the lower side surface (not shown) is also covered by the lower dustproof cover 10 made of the same material as the upper dustproof cover 9. The openings 2 provided on the left and right side surfaces of the deck 1 are also covered by the upper dustproof cover 9 and the lower dustproof cover 10.

The ends of the upper dust-proof cover 9 and the lower dust-proof cover 10 are fixed to the deck unit 1 with double-sided tape. The end of the lower dustproof cover 10 is
Between the lower surface and the front angle 4 and the deck 1
Since the lower dustproof cover 10 is sandwiched between the lower side surface and the rear angle 6, the lower dustproof cover 10 is difficult to separate from the deck portion 1.

Here, the double-sided tape is used as the lower dustproof cover 10.
May be used not only at the end but also on the entire surface.

The lower dustproof cover 10 has a deck 1
There is provided a cable outlet 11 for passing a flat cable (not shown) for connecting an electric signal to the cable. The upper dust cover 9 and the lower dust cover 10 may be fixed to the deck 1 by screws or the like, instead of using double-sided tape.

On the front surface 3 of the deck 1, there is provided an optical disk insertion opening 12 which is an insertion portion for inserting and removing an optical disk to be reproduced. The position of the front angle 4 facing the optical disk insertion opening 12 is opened. I have. And the front of the front angle 4 (the side opposite to the deck 1)
A dust proof pad 13 is provided at the position, and an opening 14 is also provided at a position of the dust proof pad 13 facing the optical disc insertion opening 12.

Further, the front side of the dust-proof pad 13 (the deck 1
On the other side, a dust felt (not shown) having a cut into which the optical disc is inserted is provided, and a decorative panel 16 having an optical disc insertion opening 15 provided in front of the dust felt is provided. I have. Also decorative panel 1
An openable display unit (not shown) is attached to the front side of the display unit 6, and the display unit closes to close the optical disk insertion slot 15 during reproduction of the optical disk, and the information being reproduced displayed on the display unit can be checked from the front side. When the optical disk is inserted or ejected, the display section is opened and the optical disk insertion opening 15 is opened to the front side.

Therefore, the optical disk whose display section is open and which is inserted into the optical disk insertion port 15 of the decorative panel 16 passes through the cut of the dust felt, the opening 14 and the optical disk insertion port 12 in this order, and It is placed at a predetermined position inside the deck unit 1 by a loading mechanism (not shown) inside. The dust proof pad 13 is a member having elasticity such as a sponge, and the front face 3 of the deck portion 1 and the decorative panel 16 are brought into close contact with each other via the dust proof pad 13 so that dust is prevented from being formed between the front face 3 and the decorative panel 16. This prevents dust and dirt from entering the interior of the deck 1.

Therefore, as described above, the upper dustproof cover 9
By providing the lower dust-proof cover 10, it is possible to prevent dust and dirt from entering the optical pickup section inside the deck section 1 through the opening 2. Similarly, a dustproof cover may be provided on the back surface of the deck portion 1 to prevent dust and dirt from entering from the opening on the back surface.

Further, by forming the upper dust-proof cover 9 and the lower dust-proof cover 10 as sheet-like members made of polycarbonate or the like, vibration generated in the deck portion 1 is transmitted to the upper dust-proof cover 9 or the lower dust-proof cover 10. However, vibration noise is less likely to occur.

The lower dust-proof cover 10 can be inserted between the deck 1 and the front angle 4 and between the deck 1 and the rear angle 6 in advance. The lower dust-proof cover 10 can be made harder to separate from the deck portion 1 and can be attached to a gap provided between the deck portion 1 and the front angle 4 or between the deck portion 1 and the rear angle 6.
When the optical disc playback device is used at high temperatures, a dustproof cover with high heat resistance is attached, and when the optical disc playback device is used under vibration of a specific frequency, the specific frequency is set as the resonance frequency. For example, a dustproof cover different in shape and material may be selected from the plurality of types of dustproof covers, and a dustproof cover according to the use environment of the optical disc reproducing apparatus can be selected and attached.

Further, by making the upper dust-proof cover 9 and the lower dust-proof cover 10 transparent (including translucent) members, the interior of the deck 1 can be opened without removing the upper dust-proof cover 9 or the lower dust-proof cover 10. Since it can be confirmed through the unit 2, it is easy to verify the position and operation of the components inside the deck unit 1.

The upper dustproof cover 9 or the lower dustproof cover 10 is made of an antistatic material or processed by an antistatic material, so that the upper dustproof cover 9 or the lower dustproof cover 10 is less likely to attract dust or dust. Therefore, it is possible to further prevent dust and dust from adhering to the optical pickup unit.

As the material of the upper dust-proof cover 9 or the lower dust-proof cover 10, besides polycarbonate, paper such as vinyl chloride resin or high-quality paper (preferably surface-treated so as not to have fibers from the paper surface) is used. Can also.

The upper dustproof cover 9 or the lower dustproof cover 10 may be coated with an adhesive solvent on the front surface (the surface that does not contact the deck 1) or the back surface (the surface that contacts the deck 1). A process of attaching an adhesive member may be performed. At this time, dust or dust that has once adhered to the upper dust-proof cover 9 or the lower dust-proof cover 10 is removed due to the adhesive force of the member provided on the front surface or the rear surface. Since it is difficult to separate, it can be prevented from being subsequently attached to the optical pickup unit. When an adhesive member is also provided on the back surface, the upper dustproof cover 9 or the lower dustproof cover 10 can be brought into close contact with the deck portion 1 except for the opening 4, so that the upper dustproof cover 9 or the lower dustproof cover is provided. With 10, the dust-proof effect of preventing dust and dust from adhering to the optical pickup unit can be further enhanced.

In the openings 2 provided in the deck portion 1, the larger the opening area, the higher the priority of covering with the dustproof cover, and the smaller the opening area, the smaller the dustproof cover so as not to be blocked. In such a case, a dustproof cover having a large opening area to reduce weight and cost can be used.

It should be noted that the higher the storage capacity of the optical disk as a medium, the more difficult it is to read the disk when dust or dirt adheres to the optical pickup unit.
Alternatively, providing the lower dustproof cover 10 on the deck unit 1 is more effective as the storage capacity of an optical disk such as a DVD is higher. In addition to the deck unit 1 for acquiring data from an optical disc for reproduction, the deck unit 1 also has a dust-proof effect for preventing dust and dust from adhering to the optical pickup unit even when storing data on the optical disc. Can be.

The upper dust cover 9 and the lower dust cover 1
No. 0 is a thin sheet, and since it is a flexible and lightweight polycarbonate compared to metal, etc., it is difficult for loud noise to be generated by vibration, and the dustproof cover resonates with the vibration and the deck part further. Since it is hard to cause the vibration of 1, it is particularly effective in an in-vehicle optical disc device which is placed in a vehicle where running outdoors may increase the density of dust and dirt, and the running may cause large vibration.

Also, the optical disk insertion slot 12 and the decorative panel 1
By providing the dust-proof pad 13 between the first and second decks 6, dust and dust can be prevented from entering the inside of the deck 1 along the front surface 3 of the deck 1.

[0041]

As described above, the optical disk device according to the present invention can provide an excellent optical disk device capable of preventing dust and dirt from entering from outside through the opening.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of an in-vehicle optical disc reproducing apparatus according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Deck part 2 Opening 4 Front angle 6 Rear angle 9 Upper dustproof cover 10 Lower dustproof cover 11 Cable outlet 12 Optical disk insertion slot 13 Dustproof pad 14 Opening 15 Optical disk insertion slot 16 Decorative panel

Claims (9)

[Claims] 1. An apparatus main body having an optical pickup unit provided therein and having an opening in the periphery, an insertion unit provided on a front surface of the apparatus main body, for inserting an optical disk, and a cover unit covering the opening. An optical disk device characterized by the above-mentioned. 2. The optical disk device according to claim 1, wherein the cover is a sheet member. 3. The optical disk device according to claim 1, wherein the cover is a transparent member. 4. The optical disk device according to claim 1, wherein said cover portion is made of an antistatic material. 5. The optical disk device according to claim 1, wherein an adhesive is provided on at least a part of the cover. 6. An apparatus according to claim 1, further comprising a mounting member fixed to said apparatus main body for mounting said apparatus main body, wherein said cover portion is provided between said apparatus main body and said mounting member. An optical disk device according to claim 5. 7. The optical disk device according to claim 1, further comprising a dust proof pad having an opening at a position facing the insertion portion. 8. The optical disk device according to claim 1, wherein a DVD is used as the optical disk inserted into the insertion section. 9. The optical disk device according to claim 1, wherein the device main body is mounted on a vehicle.