JP2601010B2 - Disc changer tray insertion / removal device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc changer tray insertion / removal device for selecting and playing a predetermined disc from a plurality of discs.

Conventional technology Conventionally, pull out the tray stored in the magazine,
There has been known a disc changer for reproducing a disc by pressing a disc placed on the tray against a turntable by a disc clamp mechanism. This type of disc changer includes a tray insertion / removal device that pulls out a tray from a magazine or stores a tray in a magazine. Various mechanisms have been proposed for this tray insertion / removal device. For example, a tray for driving a rack of a drive mechanism having an engaging portion to be engaged with the tray with a rotational driving force of a motor to move the drive mechanism and pull out the tray from the magazine, or re-store the tray in the magazine There was an insertion and removal device.

However, the above-described conventional tray insertion / removal device has a configuration in which the tray is pulled out of the magazine by movement of the tray driving mechanism having the rack formed therein, and the distance is equal to the distance that the tray is pulled out of the magazine. Must be moved, the space for accommodating the tray drive mechanism becomes large, and it is difficult to reduce the size of the disc changer.

The present invention has been made to solve the above-mentioned conventional problems, and can increase the moving distance of the tray with respect to the moving distance of the tray driving mechanism. As a result, the disk changer can be downsized. A tray insertion / removal device is provided.

Means for Solving the Problems In order to achieve the above object, the present invention provides a sliding member slidably supported on a substrate having an engagement mechanism for engaging a tray stored in a magazine, and one end of A first arm member rotatably supported by the substrate, a second arm member having one end connected to the other end of the first arm member, and the other end connected to the sliding body; An arm driving means slidably supported for driving the second arm member, and a driving means for driving the arm driving means by a rotational driving force of a motor are provided.

Action The present invention is configured as described above, and when the motor is rotated while the locking mechanism is engaged with the locking portion of the tray,
The rotational driving force of the motor is transmitted to the driving means, and the arm driving means starts moving. The second arm member is driven by the arm driving means, and the link mechanism including the first and second arm members is displaced, and the slide mechanism slides on the substrate by the link mechanism to move the tray. .

Embodiment FIG. 1 and FIG. 2 show a magazine for a disc changer (hereinafter referred to as a magazine) used in this embodiment. In FIGS. 1 and 2, reference numeral 1 denotes a housing having an open front surface, and a plurality of partition plates are formed in parallel on a side wall surface in the housing 1. Reference numeral 2 denotes a tray housed in the housing 1, and the tray 2 is formed with a circular recess 3 for housing a compact disk (hereinafter referred to as a disk). Reference numeral 4 denotes a hole formed in the center of the bottom surface of the concave portion 3, and reference numeral 5 denotes a locking piece formed at the front portion of the tray 2.

Next, a tray insertion / removal device according to the present embodiment will be described with reference to FIGS.
This will be described with reference to the drawings. In FIGS. 3 and 4, reference numeral 6 denotes a substrate, and one side of the substrate 6 is bent substantially at a right angle to form a bent portion 7. 8 and 9 are guide holes formed in the substrate 6, respectively. The guide holes 8 and 9 are formed in parallel with each other. Reference numeral 10 denotes an arc-shaped guide hole formed in the substrate 6. Reference numeral 11 denotes a first arm having one end rotatably supported by a shaft 12 at substantially the center of the substrate 6, and 13 denotes a second arm having one end connected to the other end of the first arm 11 by a connection shaft 14.
The arm 15 is a sliding body that is guided by the guide hole 8 and slides, and a hook 16 provided on the sliding body 15 is engaged with the locking portion 5 of the tray 2. The sliding body 15 is connected to the other end of the second arm 13 by a shaft 17. Reference numeral 18 denotes an arm driving plate.
Is bent substantially at a right angle to form a bent portion 19. A rack 20 is formed at an end of the bent portion 19. Reference numerals 21 and 22 denote supports fixed to the lower surface of the arm drive plate 18, and small-diameter portions of the supports 21 and 22 are engaged with the guide holes 9. For this reason, the arm drive plate 18 is guided by the guide hole 9 and slides on the substrate 6. 23 is a long hole formed in the projection 24 of the arm drive plate 18,
The shaft 25 implanted in the second arm 13 is inserted into the elongated hole 23. Reference numeral 26 denotes a large diameter portion integrally formed at the tip of the shaft 25 for retaining. 27 and 28 are gears rotatably supported on the bent portion 7 of the substrate 6 by shafts 29 and 30;
The gears 27 and 28 mesh with the rack 20 of the arm driving plate 18. Reference numeral 31 denotes a gear meshing with the gears 27 and 28. The gear 31 is rotatably supported on a bent portion 7 of the substrate 6 by a shaft 32. The gear 31 is rotationally driven by the rotational driving force of the motor, and the gears 27 and 2 meshing with the gear 31 are driven.
8 is driven to rotate.

Next, the operation of the above device will be described. In the state shown in FIG. 3, the hook 16 of the sliding body 15 is engaged with the locking portion 5 of the tray 2. Here, when the motor rotates, the gear 31 rotates, and the gears 27 and 28 meshing with the gear 31 also rotate. Therefore, the rack 20 meshing with the gear 27 is driven, and the arm driving plate 18 is guided by the guide hole 9 and moves leftward (FIG. 3). When the arm driving plate 18 moves, the shaft 25 provided on the second arm 13 is driven by the arm driving plate 18. With the movement of the arm driving plate 18, the second arm 13 and the first arm 11 connected to the second arm 13 by the connection shaft 25 become the third arm.
It is displaced as shown by the dashed line in the figure. That is, the first arm 11 rotates counterclockwise about the axis 12 and
One end of the arm 13 is guided by the arc-shaped guide hole 10 and rotates counterclockwise, and the other end of the second arm 13 moves to the left along the guide hole 8 along with the slide 15. Arm drive plate
When the arm 18 moves to near the center of the substrate 6, the arm driving plate 18
Of the rack 20 and the gear 27 are disengaged, and the rack 20
When the sliding body 15 reaches the position shown by the broken line, the rotation of the motor stops. As described above, as the arm driving plate 18 moves to the left by the rotational driving force of the motor, the sliding body 15 engaged with the tray 2 slides to the left, and the tray 2 is moved from the housing 1 of the magazine. Drawer Pulls to the left. Case 1
The disc placed on the tray 2 pulled out from the tray is pressed against the turntable of the disc rotation drive mechanism by the clamp mechanism to perform a reproducing operation. When the reproducing operation is completed, the disc is placed on the tray 2 again. When the disc is placed on the tray 2, the motor rotates in the reverse direction, and the arm driving plate 18 moves rightward. Therefore, the first arm 11 rotates clockwise to move the sliding body 15 rightward, and stores the tray 2 in the housing 1 of the magazine.

According to the above embodiment, as is clear from FIG.
This allows the sliding body 15 to move greatly for a small moving distance of the arm drive plate 18, and allows the tray insertion / removal device to be arranged in a limited space of a small disc changer. As a result, There is an advantage that the disc changer can be downsized. In the above embodiment, three members made of plate material, that is, the first and second arms 11, 1
3. The arm drive plate 18 is arranged in parallel with the height direction of the disc changer, so that the tray pull-out mechanism can be made thin and the height of the disc changer can be reduced.

In the above embodiment, the arm drive plate 18 is connected to the second arm 13 by the shaft 25, but the connection shaft 14 connecting the first and second arms is driven by the arm drive plate 18. It is also possible to do so.

Effect of the Invention The present invention is configured as described above and has a simple configuration in which the first and second arms are connected, and the tray can be largely moved by a short movement of the arm driver, thereby reducing the space for the tray pull-out mechanism. This has the advantage that the disc changer can be downsized.

[Brief description of the drawings]

1 is a perspective view of a magazine used for a disc changer, FIG. 2 is a perspective view of a state where a tray is pulled out from the magazine, and FIG. 3 is a top view of a tray changer tray insertion / removal device according to an embodiment of the present invention. FIG. 4 is a side view of the apparatus. DESCRIPTION OF SYMBOLS 1 ... housing | casing, 2 ... tray, 3 ... recessed part, 4 ... hole, 5
... locking pieces, 6 ... board, 7 ... bent parts, 8, 9 ...
Guide hole, 10 ... Guide port, 11 ... First arm, 12 ...
Shaft, 13 second arm, 14 connecting shaft, 15 sliding body, 16 hook portion, 17 shaft, 18 arm driving plate,
19… Bend, 20… Rack, 21,22… Support, 23
…… Long hole, 24 …… Protrusion, 25 …… Shaft, 26 …… Large diameter part, 27,2
8 ... gear, 29, 30 ... shaft, 31 ... gear, 32 ... shaft.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Satoshi Kawada 4-3-1 Tsunashima Higashi, Kohoku-ku, Yokohama-shi, Kanagawa Prefecture Inside Matsushita Communication Industrial Co., Ltd. 4-3-1, Matsushita Communication Industrial Co., Ltd. (56) References JP-A-2-252169 (JP, A) JP-A-2-16456 (JP, U)

Claims (2)

(57) [Claims] A sliding member slidably supported by a substrate and having an engagement mechanism for engaging a tray accommodated in a magazine; and a first arm member having one end rotatably supported by the substrate. A second arm member having one end connected to the other end of the first arm member and the other end connected to the sliding body; and a second arm member slidably supported by the substrate and driving the second arm member. And a drive means for driving the arm drive means by the rotational driving force of a motor. 2. A disc changer tray insertion / removal device according to claim 1, wherein the drive means comprises a gear mechanism for transmitting the rotational driving force of the motor and a rack formed on the arm drive means.