JPH04103391U - optical disk device - Google Patents

Abstract

(57) [Summary] [Purpose] The present invention relates to an optical disc device in which an optical disc is loaded and unloaded by the sliding movement of a disc tray, and an object of the present invention is to prevent dust from entering the main body of the device. [Configuration] Disc tray 14 on which an optical disc is placed
In an optical disk device in which an optical disk placed on a disk tray 14 is attached to and removed from the device body 21 by sliding through an opening 17 provided in the device body 21, the tip portion 14a of the disk tray 14 is used. A dustproof member 18 is provided at the peripheral edge of the opening 17 or at a position facing the opening 17 of the flange 16.
is provided, and when the disc tray 14 is inserted into the apparatus main body 21, the dustproof member 18 is interposed between the peripheral edge of the opening 17 and the flange 16 in a crimped state.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to an optical disc device, and in particular, the present invention relates to an optical disc device, and in particular, to The present invention relates to an optical disc device for loading and unloading a disc.

0002

[Conventional technology]

As is well known, optical disk devices optically transmit information recorded on the optical disks installed. It is configured to be read with a pickup. Therefore, the optical disc device A loading mechanism is provided to load the disk to a predetermined position within the device body. ing. Various structures of this loading mechanism are known, one of which is As an example, there is a front loading type loading mechanism shown in FIG.

[0003]This front loading mechanism has a disc tray 1 on which an optical disc is placed, and this disc tray 1 is configured to slide in directions A1 _{and A2} in the figure. FIG. 2A shows a state in which the disc tray 1 is at the loading position, and in this state, information recorded on the optical disc is reproduced. Further, FIG. 2B shows a state in which the disc tray 1 is at the eject position, and the disc tray 1 protrudes forward from an opening 3 provided in the main body 2 of the apparatus. In this eject state, the optical disc is loaded onto and removed from the disc tray 1. In this way, the front loading mechanism has a structure in which the optical disc is loaded into and removed from the apparatus main body 2 by the sliding movement of the disc tray 1.

0004

[Problem that the idea aims to solve]

Here, in the above-mentioned conventional optical disc device, the disc tray 1 is loaded. FIG. 6 shows an enlarged view of the vicinity of the opening 3 in this position. As shown in the figure, conventional In the optical disc device, the front panel portion 1a of the disc tray 1 and the opening 3 are A gap 4 was created between them. This gap 4 is for front loading type robots. This is an inevitable occurrence in the loading mechanism. In other words, there is no gap 4 at all. or smaller than a predetermined value, the disk tray 1 will not move during its sliding movement. Otherwise, it may contact or slide against the opening 3, making it impossible to perform a smooth loading operation. I can't do it anymore.

[0005] In this way, optical disc devices that use a front-loading mechanism It is necessary to form a gap 4 between the disc tray 1 and the opening 3. However, If the gap 4 is provided, there is a risk that dust may enter the device main body 2 through the gap 4. . If dust enters the main body 2 of the device, it may damage the mechanical parts (for example, the drive mechanism of the optical pickup). structure, etc.) may not operate properly, or a short circuit may occur in the circuit. There is a problem that the reliability and product life of optical disk devices are reduced. there were.

[0006] This invention was developed in view of the above points, and is designed to prevent dust from entering the device body. An object of the present invention is to provide an optical disc device that can prevent the above problems.

[0007]

[Means to solve the problem]

In order to solve the above problems, in this invention, The disc tray on which the optical disc is placed is inserted through the opening provided in the main body of the device. and slide the optical disc placed on the disc tray. In optical disk devices that can be attached to and removed from the device body, A flange is provided at the tip of the disc tray, and a flange is provided at the periphery of the opening or A dustproof member is provided at a position facing the opening of the flange, When the disc tray is inserted into the device main body, the periphery and flange of the opening A dustproof member is interposed in a crimped state between the Ru.

[0008]

[Effect]

In the optical disc device configured as above, the disc tray is inserted into the main body of the device. When the disc tray and the opening are removed, the dust-proof member is interposed between the flange and the periphery of the opening. In order to close the gaps between the parts, the disk tray can slide smoothly while keeping dust out. Dust can be prevented from entering the main body of the device.

[0009]

【Example】

Next, embodiments of the present invention will be described with reference to the drawings. Figure 1 shows an example of the present invention. 1 is an exploded perspective view showing a certain optical disc device 10. FIG.

0010 In the figure, 11 is a frame, and four mounting pieces 11a on the sides thereof stand vertically. ~11d (attachment pieces 11c and 11d are not shown in the figure) are formed. Each of these An optical disc reproducing unit 12 is attached to the mounting pieces 11a to 11d. This optical disc reproducing unit 12 includes an optical pickup (not shown) and an optical pickup (not shown). The drive mechanism that moves the optical disk, the spindle motor that rotates the optical disk, etc. It is incorporated as a unit. The disc loading mechanism 13 is also an optical disc. is incorporated into the playback unit 12.

The disc loading mechanism 13 is of a front loading type, and the disc tray 14 slides to transport the optical disc between a predetermined loading position where playback processing is performed and an eject position where the optical disc is ejected. . The disk tray 14 is slid in the directions of arrows A1 _{and A2} in the figure by a drive motor (not shown). Further, a tray panel 15 is attached to the tip end of the disk tray 14 (in the figure, the end in the direction of arrow _A1 ). Since this tray panel 15 is a panel having a larger area than the area of the front end surface 14a of the disk tray 14, when the tray panel 15 is attached to the disk tray 14, as shown in FIG. A flange portion 16 is formed around 14.

Further, 22 is a cover that is attached to the frame 11 so as to cover the upper part of the optical disc playback unit 12. Further, an opening 17 is formed in the side surface of the cover 22 corresponding to the tray panel 15 (the side surface in the direction of arrow _A1 in the figure), and when the cover 22 is attached to the frame 11, the disk tray 14 is It slides through the section 17. A packing material 18 serving as a dustproof member is attached to the periphery of the opening 17 formed in the cover 22.

[0013] The packing material 18 is made of an elastically deformable material such as sponge or rubber. The structure is such that an insertion opening 19 is formed inside the rectangular parallelepiped. this The size of the insertion opening 19 is such that the disc tray 14 can move smoothly inside it. Both are selected to have a smaller shape than the tray panel 15 described above. In addition, quick The size of the king material 18 itself may be approximately the same size as the tray panel 15, but it may be smaller than that. You can also make it larger. For example, the packing material 18 having the above structure is attached to the peripheral edge of the opening 17. For example, it is fixed by being glued. For specific installation instructions, please refer to the tray pa- per Before attaching the panel 15, insert the packing material 18 into the disk tray 14 in advance. After that, attach the cover 22 to the frame 11, and then apply the packing material. 18 is glued to the peripheral edge of the opening 17. Then, the tray panel 15 is It is attached to the tip surface 14a of the screen tray 14.

Next, the operation of the optical disc device 10 having the above configuration will be explained below. FIG. 3 shows the optical disc device 10 when the disc tray 14 is at the eject position. In this state, an optical disc (not shown) is mounted on and removed from the disc tray 14. In order to move the disc tray 14 to the loading position, a loading switch 20 provided on the apparatus main body 21 (the portion of the optical disc apparatus 10 excluding the disc tray 14 is referred to as the apparatus main body 21) is operated. As a result, the loading mechanism is driven, and the disc tray 14 slides in the direction of arrow _A2 in the figure.

[0015] FIG. 4 shows the optical disc device 10 when the disc tray 14 is in the loading position. It shows. As shown in the figure, the disc tray 14 is in the loading position. When the tray panel 15 attached to the tip of the disc tray 14 is It is in pressure contact with the holding material 18. To be more precise, it is formed on the tray panel 15. The attached flange 16 is in pressure contact with the packing material 18, and in the loading state, the packing material 18 is in pressure contact with the packing material 18. The king material 18 is interposed between the peripheral edge of the opening 17 and the collar 16 in a crimped state. It becomes. Therefore, in order to smoothly slide the disc tray 14, Even if there is a gap between the disc tray 14 and the opening 17, this gap is is blocked by pressure contact with the packing material 18, which prevents dust from entering the main body 21 of the device. Intrusion can be reliably prevented. This allows the optical pickup cap to It can prevent malfunctions in mechanical parts such as the ridge mechanism, and prevent short circuits in circuit parts. It is possible to prevent this from occurring and improve the reliability and product life of the optical disk device. Ru.

[0016] In the above embodiment, the packing material 18 is disposed on the opening 17 side. However, the location of the packing material is not limited to this location; A similar effect can be obtained by arranging it in a part facing the part.

[0017] Further, the present invention provides an optical disc device having a front loading mechanism. Although the dustproof member (packing member) is arranged in the opening, this invention Other devices with a loading mechanism, e.g. front-loading type Of course, it can also be applied to video tape recorders and the like.

[0018]

[Effect of the idea]

As described above, according to the present invention, when the disc tray is inserted into the main body of the device, the flange is removed. Since the dustproof member is interposed between the opening and the periphery of the opening, the disc tray The gap between the disc tray and the opening is covered by a dust-proof material, so the disc tray can slide smoothly. It is possible to prevent dust from entering the device body while maintaining the riding operation. , it is possible to prevent malfunctions of mechanical parts such as the carriage mechanism of optical pickups, and , it is possible to prevent short circuits from occurring in the circuit section, improving the reliability of optical disc devices. It has features such as being able to

[Brief explanation of drawings]

FIG. 1 is an exploded perspective view of an optical disc device that is an embodiment of the present invention.

FIG. 2 is an enlarged view of a flange formed on the disc tray.

FIG. 3 is a side view of the optical disc device in an ejected state.

FIG. 4 is a side view of the optical disc device in a loading state.

FIG. 5 is a perspective view showing an example of a conventional optical disc device, in which (A) shows a state in which the disc tray is in a loading position, and (B) shows a state in which the disc tray 1 is in an eject position.

[Fig. 6] In an example of a conventional optical disc device,
FIG. 3 is an enlarged view showing the vicinity of the opening when the disc tray is at the loading position.

[Explanation of symbols]

10 Optical disc device 12 Optical disc playback unit 13 Disc loading mechanism 14 Disc tray 15 Tray panel 16 Tsuba 17 Opening 18 Packing material 19 Insertion opening 21 Device body 22 Cover

Claims (1)

[Scope of utility model registration request] Claim 1: A disk tray on which an optical disk is placed slides through an opening provided in the device main body, so that the optical disk placed on the disk tray is attached to and removed from the device main body. In the optical disc device, a flange is provided at the tip of the disc tray, and
A dustproof member is provided at the periphery of the opening or at a position facing the flange, so that when the disk tray is inserted into the apparatus main body, the periphery of the opening and the flange are An optical disc device configured such that the dustproof member is interposed therebetween in a crimped state.