JPH0296972A - Disk player - Google Patents

Abstract

PURPOSE:To drive to rotate a turn table with one motor and also to selectively move a tray by selectively controlling a moving means according to an inputted operation signal and moving the tray by the moving means interposed between the tray and the motor which drives to rotate the turn table with driving by the motor. CONSTITUTION:A disk for recording and reproducing information 4 is loaded on the turn table 5 of a disk player and the disk 4 is rotated by the motor 7 through the table 5, all of which are arranged on a mechanical chassis 1. The tray 3 is held in the chassis 1 and the tray 3 can be moved between a 1st position where the disk 4 is loaded on the table 5 and a 2nd position where the disk 4 can be taken out and placed. The tray moving means consisting of a worm 8, gears 9 and 10, an actuating body 11, a lock lever 14, a lever 15 and a spring 23, etc., is provided between the motor 7 of the player and the tray 3 and is controlled according to the selective operation signal from a control means.

Description

DETAILED DESCRIPTION OF THE INVENTION <Field of Industrial Application> The present invention relates to a disc player for recording and reproducing information on and from a disc for recording and reproducing information.

<Prior Art> In general, a disc player includes a turntable on which a disc for recording and reproducing information can be attached to a mechanical chassis;
A motor capable of driving the disc via the turntable is disposed, and a tray held by the mechanical chassis has two positions: a first position where the disc can be mounted on the turntable, and a second position where the disc can be removed and placed. It can be moved to position 2.

Conventionally, when the above-mentioned tray movement is autoloading, for example, the tray is provided with a rack extending along the direction of movement of the tray, and on the other hand, a mechanical chassis is provided with a gear that engages with the rack and this gear. The structure included a motor that rotated the motor. That is, in conventional disc players, dedicated motors are provided for driving the disc and for driving the tray, respectively.

<Problems to be Solved by the Invention> Incidentally, in the conventional disc player as described above, two dedicated motors are provided for driving the disc and for driving the tray, so there is a problem that the manufacturing cost increases. there were.

The present invention has been made in view of the actual situation in the prior art, and its purpose is to provide a disc player that can rotate a turntable and selectively move a tray using a single motor. It's about doing.

Means for Solving the Problems> To achieve this object, the present invention provides a mechanical chassis with a turntable to which an information recording/reproducing disk can be mounted, and a motor capable of driving the disk via the turntable. and a tray that is held by the mechanical chassis and is movable between a first position where the disc is mounted on a turntable and a second position where the disc can be removed and placed. , a moving means interposed between the motor and the trays 1 to 1 to move the tray by driving the motor, and a control means selectively controlling the operation of the moving means in accordance with an operation signal. The configuration is as follows.

Function> Since the present invention is configured as described above, the control means selectively controls the moving means according to the input operation signal, and accordingly, the motor and tray that rotationally drive the turntable are controlled. A moving means interposed between the trays is driven by the above-mentioned motor to move the tray. This allows one motor to rotate the turntable and selectively move the tray.

<Example> Hereinafter, a disc player of the present invention will be explained based on the drawings.

Figures 1 to 6 are explanatory diagrams showing an embodiment of the disc player of the present invention. Figure 1 is a plan view showing the state when the disc player 1, l, and i is stored, and Figure 2 is a plan view showing the state in which the disc player is stored. 3 is a side view of the embodiment shown in FIG. 1, FIG. 4 is a plan view showing the state when the tray is opened, and FIG. 5 is a side view of the embodiment shown in FIG. 4. , FIG. 6 is a perspective view showing the main structure of the embodiment.

First, in FIG. 2 showing the state when the tray is stored, 1 is the main body of the disc player, 2 is a mechanical chassis attached to the main body 1, 3 is a tray movably held in this mechanical chassis 2, and 4 is a Information recording and reproducing disc, 5
6 is a turntable that is rotatably provided on the mechanical chassis 2 and to which a disk 4 can be attached; 6 is a motor that is fixed to the lower side of the mechanical chassis 2 and drives the turntable 5, for example a spindle motor; 7 is a spindle motor that is attached to the mechanical chassis 2; 8 is a worm attached to the output shaft of the motor 7 , and 9 is rotatably installed on the lower side of the mechanical chassis 2 and engages with the worm 8 . A gear 10 is rotatably provided on the upper side of the mechanical chassis 2, and a gear 11 that rotates integrally with the gear 9 is movably provided on the mechanical chassis 2, with one side attached to the gear 1.
0, an actuating body 12 is rotatably provided on the mechanical chassis 2, and a gear engaging the other side of the actuating body 11;
13 is movably provided on the mechanical chassis 2, and the gear 12
This pickup 13 is used to read information recorded on the disc 4, etc. 14 is rotatably provided on the mechanical chassis 2,
A lock lever 115 is rotatably provided on the mechanical chassis 2 and can be engaged with the lock lever 1.
4, a lever 16 is rotatably supported by the lever 15, and a gear with a pulley that can be driven by the motor 8; A rack 18 is rotatably provided on the mechanical chassis 2, and a geared pulley whose upper portion engages with the rack 17; 19 is a gear with a pulley 16 and a geared pulley 18;
20 is a holder clamper whose intermediate portion is rotatably supported by the mechanical chassis 2 on a vertical plane; 21 is a belt hung between one end of the holder clamper 20 on a horizontal plane;
The clamper is rotatably provided, and the disc 4 is rotated by the drive of the motor 6 while the disc 4 is being clamped between the clamper 21 and the above-mentioned turntable 5.

Next, in FIG. 6 showing the main structure of this embodiment, l
la is a rack portion, llb, llc formed on one side of the actuating body 11 over almost the entire length and meshing with the gear 10;
are a rack part and a protrusion part that are partially formed on the other side, and the rack part 11b can be engaged with the gear 12, while the protrusion part 11c is provided so as to protrude toward the bottom of the pickup 13. The side surface of this protrusion 11c is connected to the cutout 12a at the lower part of the gear 12 and the above-mentioned second
It can be engaged with the lock lever 14 shown in the figure.

In addition, in FIG. 1 showing the state of the tray 3 when it is stored,
22 is provided on the mechanical chassis 2 along the operating body 11,
This is a shaft that guides the pickup 13. and,
The lever 15 shown in FIG. 2 mentioned above is the lock lever 14.
It is integrally composed of an engaging part 15a that engages with the lock lever 14, a support part 15b that supports the geared pulley 16, and a shaft part 15c that is provided at the center of rotation. A matching elongated hole 15d is provided.

A spring 23 is installed between the engaging portion 15a and the mechanical chassis 2 and applies a force to the lever 15 in a clockwise direction around the shaft portion 15c.A spring 24 is installed at the front of the mechanical chassis 2. Switches 25 and 26 are attached to the front and rear sides of the tray 3, respectively, and are protrusions that can be engaged with the switch 24. When the tray 3 is stored, the protrusions on the front side as shown in FIG. 25 is engaged, and on the other hand, when the tray 3 is opened, a projection 26 on the rear side is engaged, as shown in FIG.

Furthermore, in FIG. 3, which is a side view, 27 is a support that is installed upright on the mega chassis 2 and rotatably supports the above-mentioned holder clamper 20, and 28 is a support that supports the holder clamper 20.
Two levers are attached to the other end; two springs 30 are provided between the holder clamper 20 and the mechanical chassis 2, and apply a force to the holder clamper 20 in a counterclockwise direction as shown in FIG. is a cam provided in the actuating body 11 and capable of engaging with the lower end of the lever 28.

In addition, the output shaft of the motor 6 mentioned above is equipped with a gear 16 with a pulley.
As shown in FIG. 5, a pinion 6a that can be engaged with the motor 6 and the tray 3 is provided. A moving means for moving the tray 3 by driving the motor 6 is configured. In addition, a motor 7, a worm 8, a gear 9.10, an operating body 11,
The lock lever 14, the lever 15, and the spring 23 constitute a control means that selectively controls the operation of the above-mentioned moving means according to an operation signal. And tray 3 is
A first position where the disc 4 is mounted on the turntable 5 as shown in FIGS. 1 to 3, and a second position where the disc 4 can be removed and placed as shown in FIGS. 4 and 5. It is possible to move.

In this embodiment, when the disk 4 is first taken out or placed, the tray 3 is in the second position as shown in FIGS. 4 and 5, protrudes forward from the mechanical chassis 2, and is in an open state. It is in. Further, the actuating body 11 is moving in a direction away from the tray 3, and along with this, the side of the holder clamper 20 that biases the clamper 21 is raised, and the pickup 13 is moving in a direction approaching the turntable 5. There is. On the other hand, since the lock lever 14 does not engage with the operating body 11, the lever 15 rotates clockwise due to the biasing force of the spring 23, and the gear 16 with a pulley supported by this lever 15 engages with the pinion 6a. maintained in the state.

Next, after placing the disc 4 on the I-ray 3, for example, by manually pushing the tray 3 a little, the switch 24
The engagement state between the switch 2 and the protrusion 26 is released, and the switch 2
4 outputs a detection signal. The motor 6 is activated in response to this detection signal, and the tray 3 is moved in the upper direction in FIG. 4 via the pinion 6a, the gear with a pulley 16, the belt 19, the pulley with a gear 18, and the rack 17 in this order. And the first
As shown in the figure, when the center of the disc 4 placed on the tray 3 reaches directly above the turntable 5, the switch 2
4 engages with the protrusion 25, a detection signal is output again, the motor 6 stops, and the tray 3 stops in the stored state.

At the same time, another motor 7 is operated in response to this detection signal, and the actuating body 11 is driven via the worm 8 and gear 9.10, and the actuating body 11 moves to a predetermined position and then stops. At this time, the protruding portion 11c of the actuating body 11 engages with the lock lever 14, and the lock lever 14 is rotated clockwise, and the lever 15 is rotated counterclockwise, that is, the pulley is rotated. The gear 16 is held apart from the pinion 6a. Further, when the rack portion 11b of the actuating body 11 and the gear 12 mesh with each other, the pickup 13 is moved along the shaft 22 via the gear 12. Then, the cam 30 that moves together with the actuating body 11,
The state shown in FIG. 5 moves to the state shown in FIG. 3, the engagement state of the holder clamper 20 with the lever 28 is released, the holder clamper 20 is rotated by the urging force of the two springs, and the clamper 21 is rotated. descend. Along with this, the clamper 21 of this holder clamper 20 and the turntable 5
The disc 4 is compressed by this. Then, when the motor 6 operates again, the disk 4 is driven to rotate via the turntable 5, and the pickup 13 reads recorded information on the disk 4.

Thereafter, when the recording and reproduction of the disc 4 is completed and the disc 4 is taken out, for example, when an operation switch (not shown) is operated, a signal is input to the motor 7, and the motor 7 is activated. Accordingly, the actuating body 11 moves from the position shown in FIGS. 1 to 3 to the position shown in FIGS. 4 and 5.

At this time, the cam 30 pushes down the lever 28, the clamper 21 of the holder clamper 20 rises, the clamping state of the disc 4 is released, and the disc 4 is lifted to the top of the tray 4 by an actuator (not shown). 9 On the other hand, the gear 12 is connected to the operating body 1 as shown in FIG.
A notch 12a in the lower part of the gear 12 is spaced apart from the rack part 11b of the gear 12 and engages with a protrusion 11c of the actuating body 11.

Since the notch 12a engages with the protrusion 11c, the gear 12 and the pickup 13 are held in a stopped state. Further, when the protrusion 11c of the actuating body 11 separates from the lock lever 14, the lever 15 rotates clockwise due to the biasing force of the spring 23, and the gear with pulley 16 engages with the pinion 6a. Therefore, when the motor 6 rotates in the opposite direction to that described above, the tray 3 is sent forward through the pinion 6a, the gear with a pulley 16, the belt 19, the pulley with a gear 18, and the rack 17 in this order. When the tray 3 moves to the second position and the protrusion 26 engages the switch 24, a detection signal is output, the motor 6 stops, and the tray 3 stops in the open state.

In the embodiment configured in this way, one motor 6 rotates the turntable 5 and drives the tray 3.
can be selectively moved.

7 and 8 are explanatory diagrams showing other embodiments of the disc player of the present invention, FIG. 7 is a plan view showing the state when the tray is stored, and FIG. 8 is an explanatory diagram of the embodiment shown in FIG. 7. It is a front view. In these FIGS. 7 and 8, parts equivalent to those shown in FIGS. 1 to 6 described above are designated by the same reference numerals.

The actuating body 24 shown in FIG. 7 is rotatably provided on the lower side of the mechanical chassis 2, and includes a gear 25 that engages with the worm 8.
A cam gear 26 is integrally provided on the upper part of this gear 25 and engages with the gear 12. This cam gear 26 is provided with a cam groove 27, and one end of a lever 28 engages with this cam groove 27. Also, lever 2
8 is movably supported by the mechanical chassis 2 at an intermediate portion thereof, and a gear 16 with a pulley is rotatably provided at the other end.

In addition, the pinion 6a, the gear with pulley 16, the belt 19,
The geared pulley 18 and the rack 17 constitute a moving means that is interposed between the motor 6 and the tray 3 and moves the tray 3 by driving the motor 6.
The operating body 24 and the lever 28 constitute a control means that selectively controls the operation of the above-mentioned □ moving means according to an operation signal.

In this embodiment, when the disk 4 is first taken out or placed, the rays 1 to 3 protrude forward from the mechanical chassis 2 and are in an open state. At this time, the actuating body 24 is in a state of rotating clockwise, and the lever 28 that engages with the cam 27 of the cam gear 26 rotates clockwise, causing the gear 16 with a boob to engage the pinion 6a. ing.

Next, after placing the disk 4 on the tray 3, for example, when the tray 3 is pushed in a little by hand, the motor 6 is activated and the pinion 6a, the gear with a boot 16, the belt 19, Geared pulley 18, rack 17
The tray 3 is sequentially moved in the closing direction, and the motor 6 and the tray 3 are stopped at a predetermined position. At the same time, another motor 7 operates, and the actuating body 24 is rotated counterclockwise via the worm 8, and the lever 28 that engages with the cam gear 27 of the cam gear 26 of this actuating body 24 is rotated counterclockwise. move. Thereby, the gear 16 with the boob is separated from the pinion 6a-, and the engaged state is released.

Thereafter, when taking out the disk 4, when the motor 7 moves fj, the operating body 24 is rotated clockwise, the lever 28 is also rotated clockwise, and the gear 16 with a pulley is moved to the pinion 6.
engage a. Then, when the motor 6 operates again, the tray 3 is moved to the pinion 6a, the gear with pulley 16, and the belt 19.
, the geared pulley 18 and the rack 17,
It protrudes forward and becomes open.

Note that the operations of the pickup 13 and the clamper 20 are the same as in the embodiment described above.

In the embodiment configured in this way, the turntable 5 can be driven to rotate and the tray 3 can be selectively moved by one motor 6, as in the embodiment described above. In addition, the lock levers shown in FIGS. 1 to 5 mentioned above
14, spring 23, etc. can be omitted, and the number of parts can be reduced.

<Effects of the Invention> Since the present invention is configured as described above, it is possible to rotate the turntable and selectively move the tray with one motor, thereby reducing manufacturing costs. It has the effect of being able to.

[Brief explanation of the drawing]

1 to 6 are explanatory diagrams showing one embodiment of the disc player of the present invention, FIG. 1 is a plan view showing the state when the tray is stored, and FIG. 2 is a front view of the embodiment shown in FIG. 1. Figure, 3rd
The figures are a side view of the embodiment shown in Fig. 1, Fig. 4 is a plan view showing the state when the tray is opened, Fig. 5 is a side view of the embodiment shown in Fig. 4, and Fig. 6 is a summary of the embodiment. Perspective view showing the structure of parts, seventh
8 and 8 are explanatory diagrams showing other embodiments of the disc player of the present invention, FIG. 7 is a plan view showing the state when the tray is stored, and FIG. 8 is a front view of the embodiment shown in FIG. 7. be. 2...Mechanical chassis, 3...Tray,
4...Disc for information recording and playback, 5...
・Turntable, 6...Motor, 6a...
...Pinion, 7...Motor, 8...
・Worm, 9.10...Gear, 11...
...Operating body, 14...Lock lever 15...
... Lever 16 ... Gear with pulley, 17 ...
... Rack, 18 ... Geared pulley, 19
...Belt, 23...Spring, 24...
... Actuating body, 28 ... Lever 9 μO 1 degree
゛a/gnia'-zoηkia 23:/E“ゐFigure 6Figure 7

Claims (1)

[Claims] (1) A turntable to which an information recording/reproduction disk can be attached and a motor capable of driving the disk via the turntable are arranged in a mechanical chassis, and the disk is held by the mechanical chassis and is connected to the turntable. A disc player is provided with a tray that is movable between a first position where the disc is loaded and a second position where the disc can be taken out and placed. What is claimed is: 1. A disc player comprising a moving means for moving a tray by driving, and a control means for selectively controlling the operation of the moving means in accordance with an operation signal.