JPH03280257A - Disk loading device - Google Patents

Abstract

PURPOSE:To easily constitute the disk loading device corresponding to disks having respectively different diameters by providing two ridgelines opened like a V shape in the direction to a turn table on a main plane perpendicular to the rotational shaft of the turn table on the lower part of a disk guide plate. CONSTITUTION:Although the V-shaped two ridgelines are formed in the direction to the turn table 6 on the lower part of the disk guide plate 5, a 12cm-disk (12cm CD) 15 inserted from a disk inserting port 3 is driven in the horizontal direction without being influenced by the ridgelines and abutted upon a stopper 14 as shown by an alternate long the two short dashes line to regulate the depth of insertion and execute centering. In the case of inserting an 8cm CD 17, the CD is inserted in the horizontal direction up to the way of the insertion, but the CD 17 is driven upward because of the existence of the V-shaped ridgelines and abutted upon a stopper 16 as shown by an alternate long and two short dashes line, so that the regulation of insertion depth and centering can be executed. Since the stoppers 14, 16 can be fixed on different heights corresponding to CDs having different diameters, the disk loading device can be easily constituted.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a disc loading device such as a CD player.

2. Description of the Related Art In recent years, disc loading devices have been widely used to handle various discs including CDs.

In the case of CD players, in addition to standard 12 crn discs, there are also small 8 crn discs, and there is a demand for the development of a loading device that can use these discs without an adapter.

An example of the conventional disk loading device mentioned above will be described below with reference to the drawings.

FIG. 10 shows a side view of the main part of a conventional disk loading device. In Fig. 10, 1 is the main body cake, 2 is the front panel, 3 is the DINUK insertion slot provided on the front panel, 4 is the disk drive roller, and 5 is the disk guide plate. It is driven by 4. 6 is a turntable on which a day 7 is placed and rotated, and 7 is a motor that rotates the turntable 6.

A clamper 8 presses the inserted disk against the turntable 6 and rotates it. 9 is a clamper arm that holds the clamper 8; 10 is a trapper 7 chassis that supports an optical pickup (not shown) and a turntable 6, and is floatingly supported on the chassis via an insulator. 11° 12 is a floating insulator rubber, 13 is a chassis, 14 is a stopper embedded in the clamper arm 9, and a 12cIn disk (hereinafter referred to as 12αC
(referred to as D) is regulated and centered. 16
is 12CrnCD, the solid line indicates the insertion process, and the dotted line indicates the insertion completion state.

Further, the arrow indicates the direction of insertion of the disc.

FIG. 11 is an internal top view showing the inserted state.

The operation of the disc loading device configured as described above will be described below.

If, 12crnCD 16 is inserted from the disc insertion slot 3 in the direction of the arrow, the disc drive roller 4 rotates clockwise upon detecting the insertion of the disc, and the 12cmCDj
It moves to the right while being held between the 5Fi Deinuk guide plate 5 and the Deinuk drive roller 4, and the stopper 1
4, the amount of insertion is regulated and the center is placed on the turntable 6. With the subsequent movement of the disk drive roller 4 to the dotted line position, 12 cr! ICD
1 g is placed on the turntable 6, and
It is held down by clamper 8. After doing this, the turntable begins to rotate, and the disc begins to play.

Problems to be Solved by the Invention However, with the above configuration, when using an 8 cm CD, it is necessary to separately provide a stopper for the 8 cm CD. Stopper 1 for CD
Before inserting a 12 cm CD, a stopper that regulates the amount of 8 cm CD inserted and centers it is placed on the disc insertion path and touches it, and when a 12 cm CD is inserted, the stopper for the 8 cm CD is pushed down. Or,
It is necessary to make sure that there is no problem by displacing it, and there is an inconvenience that the mechanism becomes complicated.

In view of the above problems, the present invention provides a disk loading device that has a simple mechanism and does not require space.

Means for Solving the Problems In order to solve the above problems, the disc loading device of the present invention includes a turntable on which a Deinuk is placed and rotates, and a main plane perpendicular to the rotation axis of the turntable. It consists of a Deinuk guide plate with two ridge lines that open in a figure 7 shape toward the turntable, and a disc drive roller that rotates while pressing the Deinuk to be loaded toward the disc guide plate. .

Function The present invention not only allows discs of different diameters to be inserted and driven in different directions with the above-described configuration, but also allows the stoppers to be fixed at different heights, making it extremely easy to insert and drive discs of different diameters. Therefore, it is possible to configure a disk loading device compatible with diameter disks.

Embodiment Hereinafter, a disc loading device according to an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a side view showing a state in which a 126nCD is inserted in a disc loading device according to a first embodiment of the present invention.

In the same figure, the same numbers are given to the members common to the conventional example of FIG. 10. 16 is a stopper for an 8 cm CD. Incidentally, on the lower surface of the disc guide plate 5, two ridge lines in the shape of a 7 according to the present invention are provided.
In the case of the rnCD, it is inserted and driven in the horizontal direction without being affected by this, and comes into contact with the stopper 14 as shown by the two-dot chain line, thereby regulating the insertion amount and centering it.

Figure 2 is a side view showing the inserted state of an 8 cm CD;
γ is 8αCD. As the 8αCD is inserted, it is driven in the horizontal direction up to the middle, but when it approaches the 8mCD stopper 16, it is driven upward due to the two ridge lines in a figure 7 shape, as shown by the two-dot chain line. It contacts the stopper 16 to regulate the amount of insertion and center it. FIG. 3 is a side view showing the 8 cm CD transferred from this state to the playing position.

FIG. 4 is a bottom view showing the operating principle of the disc guide plate 5 according to the present invention. 18 is a ridgeline, and the area behind the ridgeline 18 is a slope. Reference numeral 19 denotes a non-recording area provided at the center of the disk, which is called a hub. Further, A indicates the center position of a turntable (not shown). Note that the arrow indicates the disk insertion direction. FIG. 5 is a side view thereof.

With this configuration, the s cm CD is supported by the ridge line 18 and the inclined surface from the middle of insertion and is driven toward the disk guide plate 6 side, that is, upward in the case of a set. or,
Since the 12CMCD is supported by the lower surface of the Denuk guide plate 6 until it comes into contact with the stopper 14, it is inserted and driven in the horizontal direction.

FIG. 6 is a bottom view of the drive part of the second embodiment of the disc guide plate according to the present invention, in which a SAX CD is inserted and driven downward from the middle.

In other words, the two ridge lines 20.20 of the figure 7 shape are s cm CD
(The stopper may be formed to be narrower than the angle formed by the external tangent line D, and may be provided on the traverse chassis 1o, which is configured to downwardly move forward.

FIG. 5 is a side view showing the situation. FIG. 8 is a bottom view showing another embodiment of the disc guide plate 6, and FIG. 9 is a side view thereof.

As described above, according to this embodiment, the disc guide plate has two ridge lines that open in a figure 7 shape toward the turntable, and the disc drive roller rotates while pressing the disc toward the disc guide plate. By appropriately selecting the opening angle of the ridgeline, the position of the disk drive roller relative to it, the position of the turntable, and the position of the stopper, it is possible to select the disk insertion drive direction, the timing of its change, and the direction of the turntable at the stopper. Appropriate positioning, etc. can be determined.

In the embodiment, the present invention is applied to inserting and driving two types of disks having different diameters, but it can also be used to insert and drive one disk eccentrically from the horizontal direction.

In addition, in the embodiment, the disk drive roller 4 is formed short so as to fit between the two ridge lines, but this is effective in effectively changing the disk drive direction, and the contact surface is formed on the lower surface of the disk, that is, on the optical pickup side. Therefore, in order to minimize damage to the disk surface, it is effective to make the disk hub diameter less than or equal to the diameter of the central non-recording area.

Of course, conventional long disk drive rollers could also be used.

Effects of the Invention As described above, the present invention includes a turntable that rotates with a disk placed thereon, and a turntable that has a main plane perpendicular to the rotation axis of the turntable and that opens in a figure 7 shape toward the turntable on the main plane. By providing a disc guide plate with the ridgeline of a book and a disc drive roller that rotates while pressing the disc to be loaded toward the disc guide plate, a disc loading device compatible with discs of different diameters can be configured extremely easily. can do.

[Brief explanation of drawings]

Fig. 1 is a side view of the disc loading device according to the first embodiment of the present invention when a 12 cM disc is inserted, Fig. 2 is a side view when the 8111 disc is inserted, and Fig. 3 is a side view when the disc is transferred to the playing position. A side view, FIG. 4 is a bottom view showing the operating state of the disc guide plate, FIG. 5 is a side view thereof, FIG. 6 is a bottom view of the second embodiment of the disc guide plate, and FIG. 7 is a side view thereof. , FIG. 8 is a bottom view of another embodiment, FIG. 9 is a side view thereof, FIG. 10 is a side view of the conventional disk loading device, and FIG. 11 is a top view thereof. 1...Body case, 2...Front panel, 3...Disc insertion slot, 4...Disc drive roller, 5...Disc Guide plate, 6... Turntable, 14, 16...
...Stopper, 15...12αCD, 1 End...-80ICD, 18.20- ...Ridge.

Claims (6)

[Claims] (1) A turntable on which a disc is placed and rotates,
A disc guide plate has a main plane perpendicular to the rotation axis of the turntable, and has two ridge lines on the main plane that open in a V-shape toward the turntable, and a disc to be loaded is pressed towards the disc guide plate. A disk loading device characterized by comprising a disk drive roller that rotates while rotating. (2) The disk loading device according to claim 1, further comprising a drive roller between the two ridge lines. (3) The two ridge lines are characterized by having an opening angle that is larger than the angle formed by the circumscribed line to the disk when the smaller diameter disk among the disks of different sizes and sizes to be loaded is placed on the turntable. A disc loading device according to claim 1. (4) The disk loading device according to claim 3, wherein the loading directions of the disks are made to be different from each other in correspondence with disks of different sizes and diameters to be loaded. (5) It is characterized by comprising a disk drive means for making the insertion direction of the small diameter disk different from the insertion direction of the large diameter disk, and an insertion amount regulating means for regulating the insertion amount of the small diameter disk on the insertion path of the small diameter disk. A disc loading device according to claim 4. (6) The disk loading device according to claim 1 or 2, wherein the length of the roller that drives the recording surface side of the disk is smaller than the hub diameter of the disk.