JPH02287992A - Disk reproducing device - Google Patents

Abstract

PURPOSE:To realize a suspension state which is suitable for use posture by fitting one end of a vibrationproof spring provided on both sides of a supporting frame and an outer casing respectively to a turning member of the outer casing and enabling the turning member to be confirmed from the outside of the casing. CONSTITUTION:One pair of the vibrationproof springs 11 are arranged with a space between them on one side of a magnetic disk 1 reproducing device 1 between the side 3a of the supporting frame 3 and the side 2a of the outer casing 2. The lower end of the spring 11 is freely turnably fitted to the supporting frame 3, while the upper end is fixed to a projecting end part 12a of a turning plate 12 fitted freely turnably to the side 2a of the outer casing. The position of the turning plate 12 is confirmed through confirmation openings 60 and 61 on the side 2a. A discriminating part 62 which is colored, etc., is formed on the turning plate 12 in an appropriate position, and when the openings 60 and 61 are matched with this discriminating part 62, the discriminating part 62 can be seen from the exterior. By this method, the position of the turning plate can be confirmed from the outside, and the suspension state of the vibrationproof springs for the disk reproducing device can be achieved to suit its posture.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a disc playback device, and more particularly to a vehicle-mounted disc playback device that can take two positions: horizontal and vertical.

[Conventional technology]

Generally, a CD disc playback device mounted on a vehicle is placed horizontally or vertically in the trunk of a vehicle. This CD disc playback device has a playback mechanism floatingly supported within the outer casing via a support frame to cope with vehicle vibrations. The support frame is suspended from the outer casing by a damper containing silicone rubber, and the side surface of the support frame is suspended by a vibration isolation spring.

That is, as shown in FIGS. 10(a) and (b), the CD
The disc playback device 5o has an outer casing 51. A support frame 52 is suspended within the outer casing 51 by a vibration-proofing spring 53 provided in the center thereof, and a CD disc is positioned on the support frame 52 and rotated. A playback mechanism is supported for playing back the information. When the disc playback device is placed horizontally, that is, placed horizontally, the lower end of the vibration isolating spring 53 is attached to the support point S of the support frame 52, and the upper end thereof is attached to the outer casing 51.
(FIG. 10(a)). When the disc playback device is placed vertically, the lower end of the vibration isolating spring 53 remains as it is, and only the upper end is moved from the support point S1 to the 90° as shown in FIG. 10(b).
It is transferred to the support point S2 of the support plate 54 which has been rotated by a degree. This transfer work was performed by opening a cover etc. provided on the outer casing 2.

[Problem to be solved by the invention]

However, with the above-mentioned method of changing the position of the anti-vibration spring, after changing the position of the anti-vibration spring and closing the cover etc., the position of the anti-vibration spring cannot be confirmed from the outside and the position is not suitable for the usage position. There was a risk that the product would be used in a suspended state.

In view of this, an object of the present invention is to provide a disc playback device in which the suspension state of the vibration isolation spring can be reliably confirmed from outside the outer casing, and the supporting frame will not be supported in an incorrect suspension state. .

[Means to solve the problem]

SUMMARY OF THE INVENTION Accordingly, the present invention provides a disc playback device in which a playback mechanism for positioning a disc at a predetermined position and playing back information on the disc by a read head is housed in a support frame, and the support frame is floatingly supported on an outer casing. , at least one vibration isolation spring is provided between both sides of the support frame and both sides of the outer casing opposing thereto, one end of the vibration isolation spring is rotatably supported on the support frame, and the vibration isolation spring is The end portion on the outer casing side is attached to a rotating member rotatably attached to the outer casing, and a confirmation mechanism is provided to confirm the rotating position of the rotating member from outside the outer casing.

[Effect]

At least one anti-vibration spring is provided between the side face and the opposite side face of the outer casing so that the device of the support frame supporting the regeneration mechanism does not lie vertically even when placed vertically or vertically. One end of the vibration isolation spring is rotatably attached to the support frame, and the other end of the vibration isolation spring is attached to a rotating plate rotatably attached to the outer casing. A mechanism for confirming the position of the rotating plate is provided between the rotating plate and the outer casing, and the position of the rotating plate is constantly confirmed from the outside.

Thereby, the vibration-proof spring can be placed in a suspended state that matches the posture of the device.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings.

In FIG. 1, a disc playback device 1 of the present invention has an outer casing (exterior) 2, and inside the outer casing 2, a support frame 3 is provided with dampers 4, 4 and 4 provided at its four corners.
・・Floating supported by 4. The damper 4 is a damper containing silicone oil, and its front end support rod 4a is attached to the support frame 3.
3b, and the rear part of the damper 4 is attached to the outer casing 2.
Fixed.

A magazine M is housed within the support frame 3, a plurality of trays are stacked vertically in the magazine M, and a compact disc d is housed in the center of the plurality of trays.

After the magazine M is stored in the support frame 3 through the opening 5 on the front surface of the support frame, the trays in the magazine M are kicked out one by one by a kicking device (not shown), and the kicked out trays are t is positioned at the position shown, and at this position, a compact disc d is held by a clamp arm (not shown) and rotated at a predetermined rotational speed, so that the information on the compact disc d can be read by the pickup.

The disc playback device tl is used either horizontally as shown in Fig. 1, or vertically by standing 90 degrees vertically from the state shown in Fig. 1, and is usually placed in the rear of a car. The disc d is stored in the trunk, and by operating a control panel in the driver's cab, a desired disc d is kicked out together with the tray to a position as shown in FIG. 1, and the information on it is read by a pickup.

Side surface 3a of the support frame 3 and the outer casing 2
A pair of anti-vibration springs 11.
11 are provided at intervals. said both side surfaces 2a,
3a is a surface that does not have a vertical relationship whether the device 1 is placed horizontally or vertically. Further, these vibration isolation springs 11 cooperate with the damper 4 to absorb vibrations of the support frame 3 when the vehicle vibrates. The vibration isolation spring 11
The lower end of the vibration isolating spring 11 is rotatably attached to a support shaft 10 fixed to the side surface 3a of the support frame 3, and the upper end of the vibration isolating spring 11 is rotatably attached to a rotating plate 12 that is rotatably attached to the side surface 2a of the outer casing. It is fixed to the protruding end 12a of. As shown in FIGS. 1 and 2, the rotating plate 12 is pivotally connected to the side surface 2a of the outer casing 2 by a support shaft 13, and the rotating plate 12 has a support shaft 13 that is point-symmetrical to the support shaft 13. An arc-shaped opening 14.15 is provided. These arc-shaped openings 14.15 are formed over an angular range of 90 degrees with the support shaft 13 as the center.
15 are respectively engaged with guide shafts 16, 17 fixed to the side surface 2a of the outer casing. Note that a bell spring 1 is provided between the rotating plate 12 and the side surface 2a of the outer casing 2.
8.18 is provided, and the rotary plate 12 is stopped at a predetermined position without wobbling by the bellows spring 18.

The support shaft 13 is fixed to the rotating plate 12 and rotatably attached to the side surface 2a of the outer casing,
This support shaft 13 has a circular flange 30 on the side surface 2a. The support shaft 13 has a hexagonal space 31 at its center, and this space 31 is exposed to the outside of the side surface 2a. can be rotated by a predetermined angle (usually 90 degrees). In addition, as a mechanism for rotating the rotating plate 12 from outside the outer casing, a protrusion 32 is protruded from the rotating plate 12,
The protrusion 32 may be moved along an arcuate opening 33 formed in the side surface 2a (FIG. 4).

As shown in FIG. 5, the support shaft 10 attached to the side surface 3a of the support frame 3 is provided at the intersection line of the side surface 3a and a horizontal plane HP passing through the center of gravity G of the support frame 3 containing the magazine M and the playback device. When the disk playback device 1 is placed horizontally, the protruding end 12a of the rotary plate 12 to which the vibration isolation spring 11 is attached is located vertically above the support shaft 10 when the disk playback device 1 is viewed from the side. are doing.

In order to change from this horizontal state, that is, the horizontal position, to the vertical state, that is, the vertical position as shown in FIG. The projecting end 12a of the rotating plate 12 and the supporting shaft 10 are rotated in one direction (counterclockwise in the figure).
and coincide with the vertical plane vP passing through the center of gravity G. Device 1
The vertical plane vP when the device 1 is placed vertically corresponds to the horizontal plane HP when the device 1 is placed horizontally. By aligning the support points at the upper and lower ends of the vibration isolating spring 11 with the vertical plane vp in this way, the support frame 3 can be accurately held in the vertical position, and even if the device 1 vibrates, it will not be affected by the vibration. Vibration of the support frame 3 can be effectively prevented. In addition, both rotating plates 1
If the two are connected by a link L, by simply rotating one rotating plate 12 by 90 degrees, the other rotating plate 12 can be rotated by the same angle (Fig. 5.6).

A confirmation opening 6 for confirming the position of the rotation plate 12 is provided in the rotation range of the rotation plate 12 on the side surface 2a of the outer casing 2.
0.61 is provided. Further, an identification portion 62 is formed at an appropriate position on the rotary plate 12 (FIG. 8), and this identification portion 62 is colored, for example, red or blue, and the identification opening 60° 61 When the identification portion 62 matches, the identification portion 62 can be visually observed from the outside.

In the horizontal position shown in FIG. 7, the rotating plate 12 is in the position shown and the identification portion 62 is visible through the confirmation opening 60. When the identification part 62 is rotated 90 degrees, the identification part 62 opens the confirmation opening 61.
It can be visually observed through. Therefore, the position of the rotary plate 12 can be confirmed depending on which confirmation opening the identification portion 62 can be visually observed.

The identification section is formed vertically as shown in FIG. 9, and the outside position Pl from the center of the rotary plate 12 is red, the inside position P2 is blue, and when it is placed horizontally at the red outside position P1. The confirmation aperture 64 for the vertical orientation may be made to correspond to the blue inner position P2, and the distinguishable color may be changed according to each orientation.

The rotating plate position confirmation mechanism consisting of the identification portions 62, 63 of the rotating plate 12 and the corresponding confirmation openings 60, 61, 64, 65 is not particularly necessary in the one shown in FIG. In the embodiment shown in FIG. 4, the position of the rotating plate 12 can be confirmed by confirming the position of the protrusion 32.

〔Effect of the invention〕

Since the present invention is configured as described above, the position of the rotary plate can be clearly confirmed from the outside at all times, and the suspension state of the vibration isolating spring can be adjusted to suit the attitude of the disc playback device.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing a schematic configuration of a disc playback device of the present invention, Fig. 2 is a sectional view taken along the line ■-■ in Fig. 1, Fig. 3 is a plan view of the support shaft of the rotary plate, and Fig. 4 Figure 5 is an explanatory diagram of the state of the vibration isolation mechanism when the disc playback device is placed horizontally, and Figure 6 is a diagram showing another embodiment of the rotation mechanism for rotating the rotation plate. An explanatory diagram of the operation of the vibration isolation mechanism when placed vertically, FIG. 7 is a configuration diagram of the confirmation mechanism, FIG. 8 is a plan view of the rotating plate, and FIG. 9 is a configuration diagram of another embodiment of the confirmation mechanism. 1st
Figure 0a shows a conventional disk playback device placed horizontally. FIG. 10b is an explanatory diagram of the operation of the vibration isolating mechanism when the disk reproducing apparatus of FIG. 10a is placed vertically. 1... Disc playback device, 2... Outer casing,
3... Support frame, 4... Damper, 10... Support shaft, 11... Anti-vibration spring, 12... Rotating plate, 60,
61°64.65... Confirmation opening, 62.63... Identification part. Applicant's representative Yasuo Ishikawa b Figure 2 Figure 3 a Figure 4 Figure Figure Figure Figure Figure

Claims (1)

[Claims] In a disc playback device, a playback mechanism for positioning the disc at a predetermined position and playing back information on the disc by a read head is housed in a support frame, and the support frame is floatingly supported on an outer casing. At least one anti-vibration spring is provided between both side surfaces and the opposite side surfaces of the outer casing, one end of the anti-vibration spring is rotatably supported on a support frame, and one end of the anti-vibration spring is rotatably supported on the outer casing side of the anti-vibration spring. 1. A disc playback device, characterized in that an end portion is attached to a rotating member rotatably attached to an outer casing, and a confirmation mechanism is provided for confirming the rotating position of the rotating member from outside the outer casing.