JPS58212650A - Attaching/detatching device of disc - Google Patents

Abstract

PURPOSE:To attach/detach a disc easily and to prevent the recording surface of the disc from dirtying, by opening/closing a disc holder by a driving motor and interlocking an elevation arm with a slider to ascend/descend the disc. CONSTITUTION:Projected sliding surface 36 are slided while being contacted with the inwalls of a back plate 10 and a disc holder 11 and a reversed V- shaped disc receiving part 38 to receive the disc is attached to the other end. Each elevation arm 32 is arranged between a slider 35 and the back plate 10. Coupling boards 41 and rotary arms are turned around supporting shafts 44 by the rotation of a driving motor and the sliders 35 are ascended. Accompanied with the elevation of the sliders 35, the elevation arms 32 are turned, sliding shafts 34 are slided along the guiding holes of the sliders 35 and the disc receiving part 38 is elevated up to a position where the center hole of the disc is exposed while putting the disc on it.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a disc loading/unloading device, and more particularly to a disc loading/unloading device suitable for digital audio disc players and analog players.

A conventional disc mounting mechanism involves manually inserting the disc into a turntable spindle and then automatically opening/closing and removing the disc.

The purpose of the present invention is to make it easy to install and remove the disc by holding it with one hand, and to raise the disc to the vicinity of the center hole so that the disc can be placed on the side edge of the disc without having to worry about the recording surface. An object of the present invention is to provide a disk mounting/detaching device that can be mounted/detached by the user.

Approximately half of the disc must be exposed from the mechanical part and held in the hand. Therefore, the present invention is designed to move the strophe to the minimum with a single motor and move the disc holding part to the maximum. , to expose the disk upward, or to make it move downward. A safety mechanism is also provided to prevent damage to the mechanism even if a person performs an abnormal operation from the outside during the main opening/closing operation.

Hereinafter, one embodiment of the present invention will be explained based on FIG. 1, FIG. 2, FIG. 3, FIG. 4, and FIG. 5. FIG. 1 shows a front view of an embodiment of a digital audio disc. jo 1
1.The front is molded from synthetic resin or die-casting, etc.
B Front panel decorated with cutlets, 2 is the control knobs that operate this device, A 11 side 3 is the power supply - 4O
N.

It is a power knob that turns it off. Reference numeral 4 denotes a display section 1 that indicates the operating status of the device. Reference numeral 5 designates a mechanism section for mounting and removing the disc, and reference numeral 6 indicates a state in which the disc is mounted in a playing state.

FIG. 2 is a partially sectional front view of the mounting mechanism of the present invention. 3 is a rear view, FIG. 4 is a partial sectional view of the right side, FIG. 5 is a sectional view showing only the disk fixing part, and FIG. 6 is a partial sectional view. -fsF- plane view.

To explain with the above diagram, the main motor 7 that rotates the disk is fixed, and the pickup (not shown) that emits a laser beam and reads the symbol on the disk can be mounted in a manner that allows it to move horizontally. A turntable 69 and a center spindle 70 are attached to the unit plate 8 and the main shaft 9 of the main mode 7 so as to be able to rotate simultaneously, and a center spindle 70 is provided. A disk guide 1 containing a spring 12 is set so as to be able to slide in the axial direction of the main shaft 9, and a disk 6 is inserted into this inclined portion, and the center of the disk guide 1 is exposed at the same time as the disk is fixed.

Part of the trap is made of synthetic resin (back play)+0 and the disc holder 11 facing it is transparent and disc 6
The clear guides 15 made of synthetic resin are sandwiched between the guide clears 15, which can be seen, and are fitted in opposite directions, and are fixed by tightening the squares with screws, and a mechanism for moving the disk 6 up and down is contained therein.

At the bottom of the disk holder 11, shafts 6B are integrally molded and projected on the left and right sides, and these are inserted into bearing holes provided in the L fitting 71, and screws 1 are inserted into the back of the unit plate 8 on the other hand.
Because it is fixed at 4.

Back plate 1 integrated with disc holder 11
0 can be rotated forward. On the other hand, disc guide 1
In front of 1, a rope blind 16 is fixed in a rectangular shape and is decorated with a design. An insertion hole 17 is provided above so that a disk 6 consisting of a back plate 10 and a clear guide 15 can be inserted. 1. In front of the turntable 69 and the disc 6, there is a device for fixing the disc 6. First, the disc holder 1
The clamp holder 20 slides back and forth on a guide shaft embedded in the clamp holder 1, and the magnet 21 is set and repulsed so as to have a different polarity from the opposing magnet 22. One is rotatably guided (guided) inside the clamp holder 20, and the other is fitted and inserted into the center spindle 20. conduct.

On the other hand, the clamp holder 20 has a clamp holder 24 provided with protrusions on the left and right sides to guide the rotor.
The protruding shaft of the clamp arm 24 is inserted into a bearing 25 provided on the disk holder, and the clamp arm rotates as the clamp holder 20 moves back and forth. Further, the wire spring 26 is engaged around the protrusion shaft of the clamp arm 24, and a force is always applied in the direction of weakening the attraction force of the magnets 18, 22, that is, in the direction of moving the clamp holder 20 forward.

A protruding shaft 28 is continuous on the left and right sides of the central part of the clamp holder 20, and the clamp trigger 2
One end of the unit 7 is overlapped with the projecting shaft 28, and the other end is a projecting shaft 61 embedded in the unit 7 plate 8 and projecting.
They are engaged so that they overlap with each other.

Inside the box-shaped back plate 10 and disc holder 11, protruding sliding surfaces 36 are provided on the left and right sides so that the arm 32 can slide up and down. At the other end, there is a disk receiving part 38 shaped like an eight for receiving a disk, and on the other hand, an elevation arm 32 is arranged between the slider 65 and the connecting plate 10.
The shaft 63 embedded therein penetrates through the hole in the back plate 1 [σ) and is rotatable, and is prevented from being removed by a screw ring or the like. Further, a protruding sliding shaft 34 is embedded in the other end, and the sliding shaft 34 passes through a guide hole 37 formed of an arc-shaped elongated hole arranged at the front.

A slider shaft 3 is embedded in both ends of the slider 35, and a connecting plate 41, which passes through a connecting hole 39 provided in the back plate 10 and a through hole 40 provided in the unit plate 8, connects one end to the slider shaft 35. The E-ring 42 prevents removal.

This connecting plate 41 extends rearward, is integrally molded with the back plate, and has a through hole 4 in the unit plate 80.
0, and a fulcrum shaft 44 serving as a center of rotation is embedded therein, and a hole provided in the center of the connecting plate 41 is passed through and rotatably stopped by a retaining ring. One end of a rotary arm 46 passes through the fulcrum shaft 44 between the support arm 43 and the connecting plate 41, and is prevented from being removed by a retaining ring 45 so as to be rotatable. The rotary arm 46VC is arranged such that one roller 47 can freely rotate (-roller shaft 4
The rotating arm 46K is guided by the rotating arm 46K and is caulked, and the stopper 49 and the stopper 50-, in which a part of the rotating arm 46 is bent, limit the rotation range of the guide part 51, which is a part of the connecting plate 41. ing. An arm spring 52 is partially hooked onto the ends of the connecting plate 41 and the rotary arm 46, and the fulcrum shaft 44 and the stopper 49 are used as reference points and are pulled inwardly.

The pedestal 53, which is partially continuous with the unit plate 8, has
The roller 47 contacts an inclined plate 55 having an inclined surface 54.
is fixed and located on the back side of this slope (
, a stopper e formed by bending a part of the connecting plate 41 is arranged.

On the other hand, a drive motor 57 for opening and closing the front mounting mechanism section 7 is fixed to the unit plate 8 by a motor base 58. One end of a Z-shaped drive arm 59 is fixed to the motor shaft of the drive motor 57 with a screw, and the other end is inserted into a drive lever 65.

In addition, two drive columns 61 that are continuous and integral with the back plate 10 protrude from the lower center of the back plate 10, and a stopper seat 61 that is continuous with the back plate is provided between these two drive columns 61. Drive lever 65 between the drive struts
One end of the torsion coil spring 63 is applied to the protruding stopper seat 62 which is folded inwards and is continuous with the unit grade 8, and the drive lever 65 which is sandwiched between two of the drive struts 1. The torsion coil spring 63 and the driving column 61 are penetrated and fixed so as to be rotatable, and the heating at 42° C. is stopped and fixed. The drive lever 66 is provided with an elongated hole 64 into which a cylindrical shaft, which is one end of the drive arm 59, is inserted. On the other hand, one end of the torsion coil spring 63 is placed on a spring seat provided on a part of the drive lever 65.

Next, the operation of the configuration of this embodiment will be explained. Fig. 5 shows the playing state, and the disc 6, whose center position has been determined by a part of the taper of the disc guide 13, is held by the turntable 69 directly connected to the main motor 7, and the disc 60 is held by a magnetic screw) j8. The suction force of 22 is constant at 1 and rotates at the same speed as the main motor. The pickup guide window 66 is shaped to move left and right in order to read the symbol on the disc using a laser beam. The slider 3 and the elm page arm 32 should be in contact with the disk 6 in their fully downward position.

A drive arm 5 directly connected to a drive motor 5B that opens and closes
The drive motor 57 stops when the spindle 9 is in a state closer to the spinning direction with respect to the elongated hole 64, that is, in a closed state.

Further, the roller 47 on the connecting plate 41 does not hit the inclined surface 54 and remains suspended in the air.

On the other hand, push out the clamp holder 20 ``1'' toward the disk side.
Then, the clamp trigger 27 is rotated by the protruding shaft 31, and the clamp arm 24 rotates in accordance with the protruding shaft 2B1, so that the clamp holder 20 is pushed out, and the magnets 18 and 22 attract each other with the disc 6 in between. . Here, the open button 1- on the operation surface and the drive arm 5 directly connected to the drive motor 57 as shown in
9 rotate clockwise at the same time, and the open position is determined by a microswitch (not shown). At the same time, as shown in FIG. In this state, the roller 47 rotates forward together with the back grate 10 and acts in the direction of peeling off the attraction force of the magnet 18°22 that is holding down the six disks.When the roller 47 further rotates '1-', the roller 47 moves forward at point 1A shown in FIG. Upon contact and further rotation, roller 4
7 is.

It descends along the slope 54 and reaches point B. From this point A to point B, the connecting plate 41 and the rotary arm 46 both rotate in the C direction with the fulcrum shaft 44 as the center, and the slider 65 rises as shown in FIG. On the other hand, since the clamp holder 27 separates from the protruding shaft 31, the clamp arm 24 returns until it hits the inner wall of the disc holder 11 due to the force of the wire spring 26.As the slider 35 rises, The Nilevage Hyakuton arm 32 rotates around the shaft roller 3 and also rotates around the sliding shaft 3.
4 slides along the guide hole of the slider 65, and the disk receiver 58 places the disk on it and rises to the position shown in FIG. It is in the state of ding. another disk s −s'
Figure 89 shows the state in which the dot is inserted by grasping it with the thumb and forefinger, and when the close button is pressed, the drive motor performs the opposite movement to the rise explained this evening, and the slider and elvage arm are lowered by the drive motor. However, disk 6 is -
However, the center hole of the disk 6 is eccentrically guided by the center spindle 70, and the center hole of the disk 6 is eccentrically guided by the inclination of the guide of the disk 6. As the disc rises slightly, a gap is created between the disc and the disc seat, resulting in a playing state.

As described above, according to the present invention, after playing the disc,
Raise the disk until the center hole comes out, and when inserting it, you only need to insert it to this extent, and you can insert and remove it by holding the s-s' point of the disk with one hand, so the recording surface You won't get the disc dirty or damaged by touching it with your hands (it has the effect of being removable).

[Brief explanation of the drawing]

FIG. 1 is a front view of an embodiment of the digital audio disc of the present invention, FIG. 2 is a front partially sectional view of the mounting mechanism, FIG. 3 is a back view, and FIG. 4 is a side view of the disc in a playing state. Partial sectional view, Figure 5 is a sectional view of the disc fixing part in the playing state, Figure 6 is a flat view of the disc insertion part, Figure 7 is a side sectional view of the drive motor system when opened, and Figure 8 is the disc raised. FIG. 9 is a side sectional view when the vehicle is raised, and FIG. 9 is a front view when it is raised. 2... Operation knob 6... Disc 10... Back plate 11... Disc holder 18... Magnet 20... Clamp holder 22... Magnet 24... Clamp arm 26... Wire spring 27...Clamp trigger 28...Protruding shaft 31...Protruding shaft 32...Nirebage eye arm 34...Sliding shaft 35...Slider 58...Disk receiving part 41...Connecting plate 44... ...Fulcrum shaft 46...Rotating arm 47...Roller 52...Arm spring 54...Slanted surface 57...Drive motor 59...Drive arm 67...Disc seat 70...Center spindle/ 1'3 mouth Figure 4 Figure 5 mouth 7/1 /1=b mouth

Claims (1)

[Claims] This disk loading and unloading device is characterized in that a drive motor is driven by pressing a button to open and close a disk holder, and an elm page arm is interlocked to move the disk up and down.