JPH08147956A - Disk reproducing device - Google Patents

Abstract

PURPOSE: To ensure the predetermined attitude of a chassis by urging the chassis reversely by an elastic member when the position of the center of gravity is varied by the movement of a reproducing unit so that the chassis is inclined. CONSTITUTION: A twisted coil spring 60 is crossed at both end arms 62 of the coil parts 62 and then extended in parallel, and the parts 62 have spring characteristics in the opposed direction. A pin 24 is sandwiched between the parts 62, and supported at two points of horizontal both side (e), e' of the periphery 21a of the pin 21 of the operating direction of the reproducing unit. Accordingly, the position of the center of gravity is varied by the movement of the unit, and when a chassis 20 tends to incline in one direction, the parts 62 of the spring 60 are reversely urged. As a result, the inclination of the chassis 20 is restricted, and the attitude can be always held as predetermined to a housing 10.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc reproducing apparatus having both a buffer function and a changer function for taking out a disc selected from a plurality of discs and reproducing it.

[0002]

2. Description of the Related Art In recent years, discs such as compact discs (CD) and mini discs (MD) have been known as recording media for recording audio information and the like.

On the other hand, there is a disc reproducing apparatus for reproducing the recorded information of the disc, which has both a changer function for taking out and reproducing one disc selected from a plurality of discs and a buffer function. Are known.

For example, as such a disc reproducing apparatus, there is an on-vehicle disc reproducing apparatus as shown in FIG.

This disc reproducing apparatus is provided with a vibration damper 1,
A chassis 3 on which pins 2 protruding from both sides are supported, and a magazine M formed inside the chassis 3 and capable of storing a plurality of disks D as recording media. And a reproducing section 5 adjacent to the disk accommodating section 4 and reciprocally provided inside the chassis 3.

According to this disc reproducing apparatus, the reproducing section 5
Operates in the vertical direction in the figure, and when reaching a predetermined position, a rod (not shown) is projected to take out a predetermined disc D from the plurality of discs D stored in the magazine M.
Then, the disk D taken out is pulled to the position of the imaginary line by the rubber roller 6 and reproduced on the spot.

[0007]

However, according to the above-mentioned conventional disk reproducing apparatus, the reproducing section 5 is the disk D.
Since it is equipped with a large number of electronic devices required for playback, the weight of the chassis 3 depends on the position of the playback unit 5.
There was a problem that his posture changed greatly.

That is, when the disc D on the end side is selected from the discs D stored in the magazine M and the reproducing section 5 is moved to that position, the center of gravity of the chassis 3 in which the reproducing section 5 is provided is selected. Because the position of
The chassis 3 is inclined with respect to the housing 7.

For example, as shown in FIG. 6 (a), when the reproducing section 5 moves to the right end in the figure, the chassis 3 including the reproducing section 5 inclines to the right side in the figure with respect to the housing 7, and
As shown in (b), when the reproducing unit 5 moves to the left end in the drawing, the chassis 3 tilts to the left in the drawing.

As a result, the chassis 3 collides with the housing 7 with a slight vibration and the shock wave propagates to the reproducing section 5, so that the durability of the electronic equipment mounted on the reproducing section 5 deteriorates, and Sound quality defects such as sound jumps will occur during playback.

In view of the above circumstances, the present invention is intended to solve the above-mentioned drawback by keeping the posture of the chassis constant at all times.

[0012]

In order to achieve the above object, the present invention provides a chassis in which pins protruding from both sides are supported by a vibration damper, and a chassis formed inside the chassis and recording. A disc reproducing apparatus comprising: a disc storing section into which a magazine capable of storing a plurality of discs is loaded as a medium; and a reproducing section which is reciprocally provided inside the chassis adjacent to the disc storing section. An object of the present invention is to provide a disc reproducing device characterized in that an operation direction of a reproducing portion in a chassis is supported by an elastic member.

Further, in order to achieve the above object, the present invention provides
A chassis in which pins protruding from both sides are supported by anti-vibration dampers, and a disk storage portion formed inside the chassis and into which a magazine capable of storing a plurality of disks as recording media is loaded, In a disc reproducing apparatus provided with a reproducing unit provided reciprocally inside the chassis adjacent to the disc storing unit, a housing in which the chassis is built in and the vibration damper is fixed, and the pin. The present invention provides a disk reproducing device characterized in that the pins are connected to each other via an elastic member, and the elastic member supports both sides of the peripheral surface of the pin in the horizontal direction.

[0014]

According to the present invention, when the chassis is about to tilt due to the change of the center of gravity position due to the movement of the reproducing portion, the elastic member such as a spring biases the chassis in the opposite direction to regulate the tilt of the chassis. To work. For this reason, the posture of the chassis is always kept constant.

In particular, according to the second aspect of the present invention, when the chassis is about to tilt, the elastic member urges the pins of the chassis in the opposite direction to act to restrict the tilt of the chassis.

As a result, the chassis is always supported with a certain clearance with respect to the housing. Therefore, when external vibration propagates to the chassis, the chassis does not collide with the housing, and the shock wave propagates to the reproducing section. As a result, it is possible to prevent the deterioration of the durability of the electronic device and the poor sound quality during reproduction.

[0017]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 shows a disc reproducing apparatus of the present invention.
1 shows a car-mounted CD player.

In the figure, 10 is a housing, which is fixed to a dashboard or the like in the vehicle. A chassis 20 is built in the housing 10, and a loading port 12 is opened on the upper surface.

On the other hand, the chassis 20 is a metal box,
Pins 21 protruding from both side surfaces 20a and 20b are supported by vibration damping dampers 30 fixed to the housing 10. The pins 21, ... Are projectingly provided at upper and lower two positions on both side surfaces 20a, 20b of the chassis 20, respectively. The vibration dampers 30, ... Are made of synthetic rubber having a substantially columnar shape, and serve to dissipate the vibration energy propagating to the chassis 20 and reduce the amplitude of shock or vibration.

The chassis 20 includes a disk storage portion 4
0 is formed and the disc storage portion 40
A reproducing unit 50 is provided adjacent to and reciprocally movable.

The disk storage section 40 is a rectangular empty area formed inside the chassis 20, and a magazine M can be loaded into the disk storage section 40 from the loading port 12. The magazine M is a case capable of accommodating about 6 to 8 discs D (compact discs) as recording media, and in particular, one surface of the reproducing section 50 side is opened and has an opening surface R.

On the other hand, the reproducing section 50 is reciprocally movable by means of a feed screw, and in particular can be operated along the opening surface R of the magazine M in the vertical direction in the figure. The reproducing section 50 has a rubber roller 51 located on the side of the opening surface R of the magazine M, and has a large number such as a turntable for rotating the disc D and an optical pickup for reading recorded information on the disc D. Equipped with electronic equipment. Then, when the predetermined disc D is selected,
The reproducing section 50 moves to a predetermined position under a given control signal, and pushes out a rod (not shown) to push out a predetermined disc D from the magazine M. After that, a part of the disc D pushed out from the magazine M is sandwiched by the rubber roller 51, and the rubber roller 51 is rotated and pulled inward to prepare for reproduction.

1, reference numeral 60, ... Shows a torsion coil spring as an elastic member which is an essential part of the present invention.
As clearly shown in FIG. 2, the housing 10 and each of the pins 21, ... Are connected to each other via a torsion coil spring 60 ,. In particular, the coil portion 61 of the torsion coil spring 60 has a stopper plate 63 fixed to the housing 10.
The arm portion 6 that is locked to the coil portion 61 and extends from the coil portion 61.
2 supports the pin 21.

As is apparent from FIG. 3, the torsion coil spring 60 has a form in which arms 62, which are both ends of the coil 61, intersect and extend in parallel, and two parallel arms 62, 62. Have a spring property in the directions facing each other. As shown in the figure, the pin 21 is sandwiched by its two arm portions 62, 62, and two points e, e ′ on both sides in the horizontal direction of the peripheral surface 21a of the pin 21, which is the operating direction of the reproducing section 50, are provided. It is supported.

Therefore, when the chassis 20 tends to tilt in one direction due to the change of the position of the center of gravity due to the movement of the reproducing portion 50, the arm portions 62, 62 of the torsion coil spring 60 have the pins 21.
Will be biased in the opposite direction. As a result, the inclination of the chassis 20 is regulated, and the posture of the chassis 20 is always kept constant with respect to the housing 10.

Both side surfaces 20a, 20 of the chassis 20 are
Although all of the pins 21 protruding from b may be supported by elastic members, the two pins 21, which are located on the reproducing unit 50 side, that is, on one surface 20a of the chassis 20,
Even if only 21 is supported, a sufficient effect can be obtained.

By the way, according to the above embodiment, the vibration damping damper 60 is used as a means for supporting the chassis 20 by the elastic member.
The pin 21 supported by the chassis 20 is used.
Other protrusions for supporting with elastic members may be separately provided on both side surfaces 20a and 20b.

As another embodiment, the pin 2
There is also a method of supporting two surfaces of the chassis 20 which are orthogonal to both side surfaces 20a and 20b on which the projection 1 is provided with elastic members.

For example, as shown in FIG.
Between the front face 20c of the chassis 20 and the housing 10 and between the rear face 20d of the chassis 20 and the housing 10 as elastic members, and the front face of the chassis 20 is formed by the compression coil springs 60 '. 20c
There is also a method of supporting the back surface 20d, preferably two upper and lower parts thereof.

[0030]

According to the present invention, the elastic member biases the chassis in the opposite direction when the chassis is likely to tilt due to the change of the center of gravity position due to the movement of the reproducing portion, so that the chassis is always constant. To maintain the posture.

Therefore, the collision between the chassis and the housing is avoided, and thus the shock wave does not propagate to the reproducing section mounted on the chassis, so that the durability of the electronic device mounted on the reproducing section is improved and at the same time the reproducing section is reproduced. The excellent effect of preventing poor sound quality is obtained.

[Brief description of drawings]

FIG. 1 is a schematic front view of the internal structure of a disc reproducing apparatus showing an embodiment of the present invention.

FIG. 2 is an enlarged front view showing a main part of the disc reproducing apparatus.

FIG. 3 is an enlarged side view showing a main part of the disc reproducing apparatus.

FIG. 4 is a schematic side view of the internal structure of a disc reproducing apparatus showing another embodiment of the present invention.

FIG. 5 is a schematic front view showing the internal structure of a conventional disc reproducing apparatus.

6A and 6B are schematic side views showing a tilted state of the chassis.

[Explanation of symbols]

 D disk M magazine 10 housing 12 loading port 20 chassis 20a, 20b both side surfaces 21 pins 21a peripheral surface e, e'horizontal both sides 30 anti-vibration damper 40 disk storage section 50 reproducing section 60 torsion coil spring 61 coil section 62 arm section 63 stop Money

Claims (2)

[Claims] 1. A chassis in which pins protruding from both sides are supported by an anti-vibration damper, and a magazine formed inside the chassis and capable of storing a plurality of disks as recording media are loaded. In a disc reproducing apparatus including a disc storing portion and a reproducing portion which is reciprocally provided inside the chassis adjacent to the disc storing portion, the operating direction of the reproducing portion in the chassis is supported by an elastic member. A disc reproducing device characterized by. 2. A chassis in which pins protruding from both sides are supported by an anti-vibration damper, and a magazine formed inside the chassis and capable of storing a plurality of disks as recording media are loaded. In a disc reproducing apparatus including a disc storing portion and a reproducing portion provided reciprocally inside the chassis adjacent to the disc storing portion, the chassis is built in and the vibration damper is fixed. A disk reproducing apparatus, wherein a housing and the pin are connected to each other via an elastic member, and the elastic member supports both lateral sides of the peripheral surface of the pin in the horizontal direction.