JPH02273371A - Disk selection mechanism - Google Patents

Abstract

PURPOSE:To easily drive a disk with the small motive power and also to attain the compact structure of a disk selection mechanism by forming a parallel crank with the use of a disk player chassis DS, a magazine holder, and two links. CONSTITUTION:When a DS 3 is revolved around a supporting shaft 6 by a driving device, a magazine holder 2 is revolved around a supporting shaft 5 by the same angle as the DS 3 since the holder 2 is kept in parallel with the DS 3. The distance between the DS 3 and the holder 2 is changed in accordance with their rotational angles. Thus the DS 3 can be moved to a prescribed position against a magazine 1 fixed to the holder 2. Then a selected disk is drawn out and set into a disk player at the prescribed position.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a disc changing device for selectively playing a plurality of discs, and more particularly to a disc selection mechanism for a multi-CD player.

"Prior Art" Conventionally, in a multi-CD player, a disc selection mechanism that selects a disc from a magazine and moves it to the disc player has a disc retracting mechanism that moves up and down to match the position of the disc to be selected. There was a mechanism for setting the disc in the disc player after pulling it out, a mechanism for moving the magazine up and down to select a disc, and a mechanism for moving the disc up and down by combining the disc pull-in mechanism and the disc player.

Problem to be Solved by the Invention 1 The above-mentioned mechanism for moving the disc retracting mechanism up and down to match the position of the selected disc, bowing out the disc, and then setting the disc in the disc player does not require a vertical movement mechanism. There was a problem in that the mechanism was complicated due to the inclusion of

In addition, mechanisms that move the magazine up and down to select a disc, or mechanisms that combine a disc retraction mechanism and a disc player to move up and down require a large and tight space in order to move large-volume items up and down. However, there were problems in that it could not be made more compact and that the mechanism for moving heavy objects up and down would be large-scale.

This invention was made to solve the above problems, and it is a compact multi-CD disc that can be easily driven with small power.
The purpose is to provide a disc selection mechanism for players, etc.

[Means for Solving the Problems] The disc selection mechanism of the present invention fixes a magazine storing a plurality of discs to a magazine boulder, and includes a disc player chassis, a magazine holder, and two links that rotate relative to each other. A parallel crank is formed, a magazine holder support shaft is slidably and rotatably supported on the chassis, and a disc player chassis support shaft is rotatably supported on the chassis.

[Operation] Since the disc player chassis and the magazine holder form a parallel crank, the disc player chassis moves without changing its attitude relative to the magazine fixed to the magazine holder.

Since the parallel crank consists of two links that rotate relative to each other, the disk player chassis and magazine holder move linearly relative to each other.

Therefore, by rotating the disc player chassis, which is rotatably supported by the chassis, or by driving the disc player chassis and the magazine holder to change the distance between them, the disc player can be kept in a fixed position at a predetermined position in the magazine. Since the disc can be moved with the handle, it is possible to pull out any disc.

[Example] Hereinafter, an example of the present invention will be described with reference to the drawings. FIG. 1 is a plan view showing a disk selection system II according to an embodiment of the present invention, and FIGS. 2A and 2B are side views showing the operating state of the disk selection system 11!!.

In the figure, 1 is a magazine that accommodates a plurality of disks in a drawable state.

A magazine holder 2 supports the magazine 1 in a fixed state.

3 is a disc player chassis that supports the disc player and the disc drawer in a fixed state.

4 is a chassis, which supports a support shaft 5 fixed to the magazine boulder 2 in a slidable and rotatable manner through a slit 4a;
Further, the disc player chassis 3 is rotatably supported via a support shaft 6. 7 and 8 are links of the same shape, and are connected by a pin 9 so as to rotate relative to each other.

The right ends of the links 7 and 8 are rotatably supported by the disc player chassis 3 and the magazine holder 2 via pins 7a and 8a, respectively. Further, pins 7b and 8b are fixed to the left ends of the links 7 and 8, respectively, and the pins 7b and 8b are slidably supported by the arms 2a and 3a of the magazine holder 2 and the disc player chassis 3, respectively.

The pins attached to links 7 and 8 are arranged at equal intervals on a straight line.

In this way, the magazine holder 2. The disc player chassis 3 and the links 7.8 form a parallel crank.

Next, the effect will be explained.

When the disc player chassis 3 is rotated around the support shaft 6 by a drive device (not shown), the magazine holder 2 is kept parallel to the disc player chassis 3, so the magazine holder 2 is rotated around the support shaft 5 by the same angle as the disc player chassis 3. Rotate to.

FIGS. 2(a) and 2(b) show the state before and after rotation.

The distance between the disc player chassis 3 and the magazine holder 2 changes according to the angle of rotation, and the magazine boulder
It is possible to move the disc player chassis to a predetermined position with respect to the magazine 1 fixed to the magazine 2, and at that position, the selected disc can be pulled out and played on the disc player.

[Effects of the Invention] As explained above, the disk selection mechanism of the present invention uses a link mechanism and there is no mechanism for moving a heavy object in parallel, so it is possible to downsize the device. By balancing the weight, the driving force can be made extremely small, resulting in stable operation.

Further, the drive source may be a rotary drive source at one location or a mechanism that changes the distance between the magazine holder and the disc player chassis.

[Brief explanation of drawings]

FIG. 1 is a plan view showing a disk selection mechanism according to an embodiment of the present invention, and FIGS. 2(a) and 2(b) are side views showing the operating state of the same disk selection mechanism. 1...Magazine, 2...Magazine holder, 3...
・Disc player chassis, 4...chassis, 4a
...Slit, 5.6...Spindle, 7,8...Link, 7a. 7b, 8a, 8b, 9---Pin patent applicant Kenwood Corporation

Claims (1)

[Claims] A magazine that stores multiple discs is fixed to a magazine holder, and a parallel crank is formed by the disc player chassis, magazine holder, and two links that rotate relative to each other, and the magazine holder spindle can slide and rotate freely on the chassis. 1. A disc selection mechanism characterized in that a disc player chassis spindle is rotatably supported on the chassis.