JPH1021628A - Disk reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the size of a disk reproducing device by adopting a wedge- like moving member which makes reciprocating motion in a direction crossing the arranging direction of disks as a means which selects and separates a disk to be reproduced from the other disks. SOLUTION: At a separating and operating position, a tray 53 which is separated in the vertical direction by means of a tapered section is surely fixed in the vertical direction (Zaxis direction) in a state where the upper or lower surface of its supporting section 53b is brought into contact with the flat sections 63g, 64g, and 66g of separating levers 63, 64, and 66. Since a wedge-like member is provided as a means which selects and separates a tray carrying a desired disk from other trays in such a way, the structure of a disk reproducing device can be simplified and, therefore, the size of the device can be reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disk reproducing apparatus capable of arranging a plurality of information recording disks (hereinafter, simply referred to as disks) and sequentially reproducing the information recording disks, and more particularly to a vehicle mounted on a dashboard of a car. The present invention relates to a disk reproducing apparatus for use in a computer.

[0002]

2. Description of the Related Art As a disk player for arbitrarily reproducing a desired disk by arranging and storing a plurality of disks, a magazine or the like for storing a disk separately from a player main body is employed. A type installed in a trunk room is known.

[0003] In this type, a disk player main body is mounted on a dashboard of an automobile, and is connected to a magazine in a trunk room by wiring. In this case, playback operations can be performed on the operation panel provided on the front of the player body.However, if you want to change the disc, first open the trunk lid and take out the magazine embedded on the side or bottom of the trunk room. , Then you need to swap disks.

There is also known a type in which a magazine is detachable from a disk player main body mounted on a dashboard of an automobile. In this type, the magazine protrudes forward from the player body when replacing the disc, so it is necessary to select a position sufficiently away from the shift knob etc. of the car when installing the player body,
The mounting position is also subject to certain restrictions.

Further, in such a magazine detachable type disc player, when reproducing a disc, the magazine mounted in the player main body is separated vertically to select a desired disc, and the separated space is selected. There is a type in which a playing means including a pickup or the like is moved (see, for example, JP-A-3-235249). However, the magazine separation and disk selection mechanism employed here has a complicated structure using a plurality of swing arms and the like.

[0006]

SUMMARY OF THE INVENTION In view of the above-mentioned problems of the prior art, the present invention simplifies the structure and reduces the size of the apparatus as a whole, and furthermore, the embedding position at the time of embedding in a dashboard or the like of an automobile. It is an object of the present invention to provide a disk reproducing apparatus having a high degree of freedom in selection.

[0007]

According to the present invention, a plurality of discs on which information is recorded are inserted from an insertion slot and are arranged and held in a predetermined direction, and a desired disc is selected from the plurality of arranged and held discs. A disc reproducing apparatus for reproducing the disc by means of a disc holding means including a plurality of trays arranged to respectively hold the plurality of discs; a disc transport means for conveying a disc between the insertion slot and the tray; During non-playback, the disc is located outside the area where the disc is held by the disc holding means,
And a disc reproducing means which is conveyed so that at least a part thereof is located within the area where the disc is present at the time of reproduction, and which allows the disc reproducing means to enter the area where the disc is present at the time of reproducing the disc. Disk selection means for selecting and positioning a desired disk at a predetermined position, and moving and retreating another disk in the direction in which the disks are arranged, wherein the disk selection means comprises an arrangement of the disks A desired disk to be reproduced from a plurality of arranged disks by having a wedge-shaped member that is moved in a direction substantially perpendicular to the direction and inserted and engaged between the plurality of arranged trays. In selecting the, the separation selection can be performed simply by moving the wedge-shaped member so as to be inserted between the trays.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment according to the present invention will be described below with reference to the accompanying drawings. The disc reproducing apparatus includes, for example, a housing 1 that is inserted through a mounting hole formed in a dashboard (not shown) of an automobile and fixed to a bracket or the like that holds the same.
The outer shape is constituted by a front portion of the housing, that is, a front panel 2 exposed in the vehicle interior.

As shown in FIG. 1, on a front panel 2 forming a front surface of a housing 1, an operation unit 3 and a display unit 4 for performing a reproduction command and other controls are arranged above the front panel 2, and a reproduction unit is provided below the front panel. A single insertion slot 5 for inserting a disc to be inserted is formed, and this insertion slot 5 is closed by a closing lid (not shown) slidably or slidably attached in a non-reproduction state or the like. ing.

In the housing 1, a main chassis 6 is provided via an anti-vibration rubber 1a (see FIG. 2) as an anti-vibration mechanism, and various mechanisms of the apparatus are arranged on the main chassis. . As shown in FIG. 2, on the main chassis 6, a carriage 30 carrying a reproducing means including a pickup 10 and a turntable 20 for reproducing a disk is provided in a rear (rear) direction during reproduction and is not reproduced. Sometimes forward and backward (Y-axis direction) to be located in front
Are provided so as to be able to reciprocate freely. Further, in a region at the back (rear) of the main chassis 6, a disk holding unit including a tray 53 for holding a plurality of disks (four disks in this embodiment) arranged vertically (in the Z-axis direction) is provided. A means 50 is provided, which can be moved in the vertical direction (Z-axis direction) by an elevating mechanism or the like having a pantograph mechanism. On the side portions 6a and 6b of the main chassis 6, a tray separating means 60 which is a part of a disk selecting means for selecting a desired disk to be reproduced and separating the disk from other disks is provided in the front-rear direction (Y axis). Direction) along the side surface so as to reciprocate freely. In addition, one side 6 of the main chassis
A printed circuit board 7 on which a control circuit and the like of the present apparatus are formed is disposed parallel to the side and fixed to the inner wall of the housing 1 outside b.

Further, as shown in FIG. 3, below the carriage at the non-reproduction position, a roller 40 forming a part of the disk transport means is provided so as to extend in the left-right direction (X-axis direction). I have. As for the carriage 30, the turntable 20, the clamp means 100, and the like, the solid line indicates a state where they are at the standby position (non-reproduction position), and the two-dot chain line indicates a state where they are at the reproduction position.

The above various mechanisms will be described in detail below. First, the disk inserted from the insertion opening 5 of the housing 1 is inserted into the internal disk storage position, that is, the tray 53.
A description will be given of a disk transport unit that transports the disk from the storage position to the insertion slot when the disk is taken out. As shown in FIG. 4, a pair of cantilever plate springs 41 are fixed by screws near both ends of the upper surface of the carriage holding frame 31 having a substantially L-shape.
The shaft 40a of the roller 40 is rotatably supported in a bearing hole formed at a free end of the roller 40. Such roller 40
Is a tapered cylindrical member externally fitted to the shaft 40a and made of resin and having an outer diameter that increases from the center of the shaft toward both ends. A gear 42 is attached to one end of the shaft 40a. The gear 42 is attached to a worm 4 attached to a motor 44 as a driving source via an intermediate gear 43 arranged on a side surface 6b of the main chassis 6.
5 is engaged. On the other hand, above the roller 40, in a non-reproduction (or pause) state, a rear lower portion of the lower surface of the carriage 30 located outside the area where the disks D are arranged and held is positioned. The carriage 30 and the roller 40 are positioned so as to overlap in the direction in which the disks are arranged. By being positioned as described above, the depth of the device can be shortened, and the device can be downsized. Further, a smooth film 30g made of resin is adhered to the lower surface of the carriage. Therefore, in the non-reproduction state, a gap is formed between the roller 40 and the smooth film 30g such that the gap becomes narrower at the center in the left-right direction (Y-axis direction) up to both ends. In such a configuration, when the roller 40 is rotated by the motor 44, the disc inserted from the insertion slot 5
The peripheral area is conveyed inward while being sandwiched between the roller 40 and the smooth film 30g.
When 0 is rotated in the reverse direction, it is carried out toward the insertion slot. At this time, since the gap has a wedge shape in which both ends are narrowed,
The disk is transported to a predetermined disk storage position toward the center of the roller, that is, while the centering action is being performed.
Conversely, it is surely carried out toward the center of the insertion slot 5.

The roller 40 and the smooth film 30g described above.
Thus, a disk transport means for transporting the disk to an internal disk storage position (tray) and transporting the disk from the storage position toward the insertion slot when removing the disk is configured. The above-described gear 42, intermediate gear 43, worm 45, and motor 44 constitute driving means for driving the disk transport means.

Next, a carriage 30 carrying a pickup 10 and a turntable 20 for reproducing a disk, and the carriage 30 is moved vertically (in the Z-axis direction).
The carriage raising / lowering means for reciprocating will be described. As shown in FIG. 5, the carriage 30 has a substantially rectangular shape in plan view and has a box-like shape with an open top, and a reproduction device that carries reproduction means including a pickup 10 and a turntable 20 described later in this inner space. The means carrying frame 35 is housed. Carriage 3
0 is provided with a pair of guide shaft insertion members 30a for inserting a guide shaft 38 for guiding the movement in the front-rear direction, and two pins 30b are provided on the other opposite side. Are projected so as to protrude in the horizontal direction, and these two pins 30b are attached to the main chassis 6.
Is inserted into a single guide hole 6c (see FIG. 8) formed to extend in the front-rear direction on the side wall 6b.

On one side of the lower surface of the carriage 30, an engagement pin 30c which is engaged with a long hole 37c of a carriage driving swing arm 37 described later is provided projecting downward. Is fitted with a rolling ring 30d rotatable around its outer periphery. Also,
FIGS. 5B and 5C show front and rear side walls of the carriage 30.
As shown in FIG. 2, two guide slots 30e each extending in the horizontal direction are formed, and a vertical slot 30 having an open upper end.
f are formed two each. And the slide plate 32 is arranged along the inside of these front and rear side walls,
The pins 32a implanted in the slide plates 32 are slidably inserted into the guide slots 30e. The slide plates 32 are formed with cam holes 32b acting in opposite directions, respectively.
A pin 35 protruding from the reproducing means carrying frame 35
a (see FIG. 6) is inserted. Also, this pin 35
“a” is also inserted into the vertically long hole 30f and is movable in the vertical direction.

The front and rear slide plates 32
Are linked together so as to move in opposite directions in the left-right direction (X-axis direction) by a connection link 33 rotatably arranged around a support shaft 33a provided on the bottom surface of the carriage. The connecting portion is a connecting link 33.
The pins 33b are respectively inserted into the engagement holes 32c of the slide plate 32. Therefore, the U-shaped engaging piece 32d provided on one end side of the rear slide plate 32
When a force in the left-right direction acts on the front and rear slide plates 32, the front and rear slide plates 32 respectively slide in opposite directions. For example, when the engagement piece 32d is moved in the opposite direction to the X direction, the pin The frame 35a, that is, the reproducing means carrying frame 35 is pushed upward along the vertically long hole 30f. Conversely, when the engaging piece 32d is moved in the X direction, the pin 35a, that is, the reproducing means carrying frame 35 is moved downward.

As shown in FIG. 6, the reproducing means carrying frame 35 includes a pickup 10 for reading information recorded on the disc, a turntable 20 for carrying and rotating the disc, a spindle motor 21 as a drive source, It carries a feed screw 11 for moving the pickup 10 in the left-right direction (X-axis direction), that is, in a direction parallel to the recording surface of the disk. Pickup 10
Are two female screw portions 1 protruding from the front end thereof.
0a is screwed into the feed screw 11, while a locking piece 10b protruding from the rear end is slidably carried in a guide groove 35b formed in the rear side wall of the carrying frame 35. The feed screw 11 is rotatably supported by a support frame 35, and a gear 12 is fitted on one end thereof. The gear 12 is meshed with a gear of a gear 13 with a pulley that is also rotatably supported by the carrier frame 35. The gear portion of the gear 13 with a pulley is formed of two gears, and has a Caesars gear structure for eliminating backlash. A motor 15 as a drive source is fixed to the bottom surface of the carriage 30. A pulley 16 fitted on a spindle of the motor 15 and a pulley of the gear 13 with a pulley are passed through an opening 35 c of a support frame 35 to form a rubber belt 14. Are connected by As described above, since the heavy object such as the motor 15 is fixed to the carriage 30, it can be moved up and down together with the reproducing means carrying frame 35 to reduce the weight, thereby reducing the load on the drive source. With this configuration, the reciprocating motion of the pickup 10 is controlled by the motor 1
This is done by rotating 5. That is, the motor 15, the pulley 16, the rubber belt 14, the gear 13 with the pulley, the gear 12, the feed screw 11, and the female screw portion 10a constitute pickup driving means for moving the pickup 10 in the radial direction along the recording surface of the disk. Have been.

On the other hand, below the carriage 30, there is disposed a carriage supporting frame 31 having a substantially L-shape in plan view as shown in FIG. An L-shaped cam plate 36 is arranged. Carriage carrying frame 3
1 has a pair of guide shaft mounting holes 31 on one side.
a is provided so as to oppose in the front-rear direction (Y direction), and a guide shaft 38 for guiding the carriage 30 in the front-rear direction is fixed to the mounting hole 31a.

Therefore, the carriage 30 and the carriage carrying frame 31 do not move relative to each other in the vertical direction (Z-axis direction), but relatively move in the front-rear direction (Y-axis direction). I can do it. Further, two pins 31b are provided on one side wall of the carriage supporting frame 31 and one pin 31b is provided on the other side wall thereof so as to protrude in the horizontal direction.
The bottom portion is located below the carriage carrying frame 31, and the side wall is inserted into the cam holes 36 a of the cam plate 36 located outside the side wall of the carriage carrying frame 31. Further, as shown in FIGS. 8 and 9, the pins 31b are connected to the side walls 6a,
It is inserted into the vertically long holes 6e and 6d formed in 6b, respectively, and is movable only in the vertical direction.

Therefore, the cam plate 36 moves in the front-rear direction (Y
The carriage carrying frame 31 is moved in the vertical direction (Z-axis direction) by being moved in the (axial direction). Note that the cam plate 36 has the guide slot 3
A pin 6f implanted on the bottom surface of the main chassis 6 is inserted into the bottom of the main chassis 6 so as to be reciprocally supported in the front-rear direction. Engagement pin 110a of drive lever 110
Are engaged with the engagement holes 36c (see FIG. 7A).

That is, as shown in FIG. 10, a cam gear 8 is arranged on the upper surface of the main chassis 6 so as to be rotatable around a support shaft 8e, while a drive lever for raising and lowering the carriage is provided on the lower surface of the main chassis 6. A drive lever 110 is disposed (shown by a solid line in the figure for convenience of explanation). It is reciprocable in the direction (Y-axis direction).
An engaging pin 8f implanted in the cam gear 8 is inserted into a cam groove 110b formed in the drive lever 110, and the engaging pin 8f moves along the cam groove 110b. I have.

Accordingly, the driving means 71, 72, 7 which will be described later.
When the cam gear 8 is rotated counterclockwise by 3, 74, 75, 76, the cam groove engaged with the engaging pin 8f
The drive lever 110 moves forward (F direction) by the cam action of 110b.
Moved towards. Further, since the engagement pin 110a is engaged with the engagement hole 36c of the cam plate 36,
In conjunction with the movement of the drive lever 110, the cam plate 3
6 also moves forward. Then, the engaging pin 31b of the carriage carrying frame 31 is lifted by the cam action of the cam groove 36a, and the carriage 30 is raised to a predetermined height together with the carriage carrying frame 31. On the other hand, when the cam gear 8 is rotated clockwise from this state, the carriage 30 is lowered to a predetermined height following the reverse stroke.

The above-mentioned cam plate 36, carriage carrying frame 31, drive lever 110, etc., raise the carriage 30 to a predetermined height during non-reproduction such as insertion of a disc.
On the other hand, a carriage elevating means for lowering the disc to a predetermined height during reproduction (see FIG. 3) is provided. As described above, when the disc is not reproduced, particularly when the disc is taken in and out of the storage section in the apparatus, by raising the disc conveying means including the carriage 30 and the rollers 40, a plurality of discs can be vertically moved. Disks can be taken in and out by moving the arranged disk storage units (holding units) by as short a stroke as possible, thereby reducing the thickness of the apparatus, that is, miniaturizing the apparatus. Similarly, when two upper and lower positions are set for the reproduction position, further downsizing of the apparatus can be expected.

Next, a description will be given of the carriage transport means for transporting the carriage (that is, the reproducing means) between the standby position and the reproducing position. As shown in FIG. 11, a disc-shaped cam gear 8 is mounted on the upper surface of the main chassis 6 so as to be rotatable around a central shaft 8e. The cam gear 8 has a first cam groove for carriage conveyance. 8a, a second cam groove 8b for tray separation, and a third cam groove 8c for elevating the disc reproducing means. Further, teeth 8d are formed on a part of the outer periphery, and the gears 71, 72, 2
The gear 76 is rotated by a motor 76 through gear trains such as a step gear 73, a worm gear 74, and a worm 75 fitted to a spindle.

A rocking arm 37 for driving the carriage is provided in front of and above the cam gear 8 so as to be rockable around a support shaft 37a fixed to the main chassis 6. In the swing arm 37, an engagement pin 37b protruding downward from a substantially middle portion thereof is inserted into the first cam groove 8a of the cam gear 8, and is movable along the cam groove. A guide pin 37d is provided at the swinging end and projects downward and engages with a guide groove (not shown) formed in the main chassis 6, and an engagement pin projecting from the lower surface of the carriage 30 is provided. An elongated hole 37c into which 30c is slidably inserted is formed.

Therefore, when the cam gear 8 is rotated clockwise by a predetermined angle from the standby position shown in FIG.
By the cam action of the first cam groove 8a, the swing arm 37 is swung rearward (in a direction opposite to the Y direction), and the swing arm 37 is rotated in the direction shown in FIG.
The playback position indicated by is reached. At this time, the carriage 30
Since the engagement pin 30c is engaged with the elongated hole 37c, the movement of the swing arm 37 causes the guide shaft 3c to move.
8 and is transported to the reproduction position.

By the cam gear 8, the swing arm 37, the driving means 70 including the gear trains 71, 72, 73, 74, 75, and the motor 76, etc., a carriage conveying means for conveying the carriage in the front-rear direction (Y-axis direction). It is configured. The cam gear 8 is located behind the main chassis 6.
A slide lever 39 that is reciprocated in the left-right direction (X-axis direction) is disposed above the slide lever 39. As shown in FIG. 11, the slide lever 39 has a guide pin 39b implanted in the main chassis 6 inserted into the guide elongated hole 39a and is held so as to be movable in the left-right direction. An engagement pin 39c protruding downward is fitted into the third cam groove 8c of the cam gear 8 so as to be movable along the cam groove, and further protrudes upward at one end. An engagement pin 39d is provided. still,
A lower cylindrical material member 130 is disposed above the slide lever 39 around the central axis 8e (see FIGS. 11 and 12). The lower cylindrical material member 130 is provided in the center hole of the disk separated downward by tray separating means described later. The lower cylindrical member 130 is fitted to prevent rattling of the disk.

When the carriage 30 reaches the reproduction position by the rotation operation of the cam gear 8, the carriage 3
U-shaped engagement piece 3 of slide plate 32 carried on
2d engages so as to sandwich the engaging pin 39d. In this state, when the cam gear 8 is further rotated clockwise, the slide lever 39 is moved in the direction opposite to the X direction by the cam action of the third cam groove 8c, and at the same time, the engagement piece 32d is also moved in the same direction. It is moved to. Then, the slide plate 32, the connection link 33, and the cam hole 32
By the action of b or the like, the reproducing means carrying frame 35 is moved upward, and the turntable 20 carries the disc to be reproduced. Also, the slide lever 39
The lower cylindrical member 130 is raised by a predetermined amount by the action of the interlocking means and the cam means (both not shown) in conjunction with the movement of the carriage 30, and the upper end thereof contacts the lower surface of the carriage 30 at the reproduction position, and Will be locked. This prevents rattling of the carriage 30 during reproduction. When the slide lever 39 is moved in the X direction, the reproducing means carrying frame 35 is moved downward. In addition, the lower cylindrical member in the raised position
130 is also moved down.

The cam gear 8, the slide lever 39, the slide plate 32, the connecting link 33, the cam hole 32b, etc., constitute an elevating means for elevating a pickup and a reproducing means such as a turntable. Next, a disc holding means for holding a plurality of discs arranged in a vertical direction (Z-axis direction) will be described.

As shown in FIG. 2, the disk holding means 50 is arranged at the innermost part of the apparatus, and has a lower holder 52 supported by a pantograph mechanism 51, and a disk holder stacked on the lower holder. A plurality of trays 53 (four in this embodiment), an upper holder 54 that presses the trays 53 from above, and the lower holder 52 and the upper holder 54 are locked so as to urge them toward each other. And a spring 55.

FIG. 13 schematically shows the disk holding means 50. FIG. 13 (a) is a rear view of the apparatus as viewed from the rear, and FIG. 13 (b) is a side view of the apparatus as viewed from one side. . FIG. 13B shows a state where the lowermost tray is separated from the other trays. As illustrated, the pantograph mechanism 51 includes a first lever 51a and a second lever 51b located at the rear and a third lever 51b located at the side.
The first lever 51a includes a lever 51h and a fourth lever 51i. One end of the first lever 51a is rotatably supported around a support shaft 51c with respect to the main chassis 6, and a pin 51g implanted at the other end has a lower holder. The second lever 51b has a pin 51d implanted at one end thereof slidably inserted into the long hole 51e of the main chassis 6, and the other end of the second lever 51b has the other end. Hole 5 in lower holder 52
It is pivotally supported so as to be rotatable around a support shaft 51f fitted to 2a. Similarly, one end of the third lever 51h is rotatably supported around a support shaft 51j fitted to the main chassis 6, and a pin 51n implanted at the other end is provided with a long hole 52d of the lower holder 52. The fourth lever 51i is provided with a pin 51 implanted at one end thereof.
k is slidably inserted into the long hole 511 of the main chassis 6, and the other end is rotatably supported around a support shaft 51 m fitted into the hole 52 c of the lower holder 52.

Further, the first lever 51a and the second lever 5
A spring 51p is stretched between the lower end of the spring 51b and the lower end 1b.
The lower portions of both levers 51a and 51b are urged so as to be pulled, that is, the lower holder 52 is lifted by the pantograph 51. As described above, on the upper surface of the lower holder 52 (see FIG. 14) supported by the pantograph 51, four trays 53 for directly supporting disks are stacked.

As shown in FIG. 15, the tray 53 has a disk carrying portion 53a formed along the contour of the disk and formed concavely deeper than the thickness of the disk.
An upper surface thereof is located slightly below the disk carrying portion, and a region in which a support shaft hole 53d and an arc-shaped guide groove 53e for mounting an arm for positioning the disk are formed, and are supported by tray separating means described later. And three tray support portions 53b extending in the left-right direction (X-axis direction). The tray support portion 53b is formed with a taper portion 53c which forms a taper in the Y-axis direction, so that a tray separating means described later can be easily and reliably engaged.

FIG. 16 shows the tray 5 on the lower holder 52.
3 is a plan view showing a state where the discs 3 are stacked and the discs D are carried on the respective trays. As shown in the figure, even when the tray 53 and the disc D are stacked, the rear side region 52p of the lower holder 52 is disposed so as to be exposed. Abuts.

An upper holder 54 is arranged at the top of the trays 53 stacked as described above. Further, a cover plate (not shown) attached to the upper ends of the side walls 6a and 6b of the main chassis is arranged above the upper holder 54, and an upper columnar shape fitted on a center hole of the disc is provided on an inner lower surface thereof. A member 131 is provided. (See FIGS. 3 and 16). Such upper cylindrical member 1
Numeral 31 is adapted to fit into the center hole of the disk separated upward by the tray separating means described later to prevent rattling of the disk. Incidentally, by adopting a structure in which the upper columnar member 131 is projected downward to engage with a clamper described later, it is also possible to double as a biasing means for pressing the clamper toward the disk.

As shown in FIG. 17, the upper holder 54
Has substantially the same shape as the lower holder 52, and extends in the left-right direction and is formed to hang downward.
54f and 54g. As shown in FIG. 14, the lower holder 52 similarly extends in the left-right direction and is formed so as to protrude upward.
A spring 55 (see FIGS. 8, 9 and 13 (b)) is stretched between the corresponding locking portions of the lower holder 52 and the upper holder 54 to draw both holders. Trays as shown, ie stacked
3 is urged so as to be clamped from above and below.

Next, when a desired disc is selected from a plurality of discs carried by the disc holding means 50 and reproduced, a tray separating means 60 for separating the tray carrying the disc from other trays. Will be described. As shown in FIG. 18, a tray separating slide plate 61 is arranged on the outer lower surface of the main chassis 6 along the surface (shown by a solid line in the figure from the viewpoint of visibility) and its guide length. The pin 61d implanted in the main chassis 6 is inserted into the hole 61b, and the engaging pin 61a is inserted into the second cam groove 8b of the cam gear 8 disposed above the bottom surface of the main chassis 6, This groove 8
b so as to be movably engaged therewith.

That is, the tray separating slide plate 61 is supported so as to reciprocate in the front-rear direction (Y-axis direction) by the rotation of the cam gear 8. Also,
Both ends in the left-right direction (X-axis direction) of the tray separation slide plate 61 are bent upward (Z direction), and an engagement pin 61c is implanted, so that the first separation lever 63 as a wedge-shaped member is formed. The engaging hole 63f (see FIG. 22 (c)) and the engaging hole 66f (see FIG. 25 (a)) of the third separation lever 66 as a wedge-shaped member are engaged. Note that the first separation lever 63 and the second separation lever 64 on the same side are connected via a connection plate 67 so as to move in opposite directions, respectively, as described later.

Accordingly, as shown in FIG. 19, when the cam gear 8 is rotated clockwise by a predetermined angle from the standby position shown in FIG. 18 as shown in FIG. Due to the cam action of the cam groove 8b, the tray separating slide plate 61 is moved rearward (backward) by a predetermined distance, and at the same time, the first
The separation lever 63 and the second separation lever 66 move rearward,
The second separation lever 64 is moved forward (forward) to reach the separation operation position.

FIG. 20 shows each of the separation levers 63, 64, 66.
Shows that one tray 53 is separated from the other trays, and FIG. 4 shows an embodiment having seven trays. The fourth tray from the bottom (that is, the disk) ) Is separated from other trays. Here, the configuration of the separation lever will be described below with reference to FIGS. For the sake of visibility and convenience of description, in some of the drawings, portions that should be originally represented by dotted lines are all shown by solid lines.

Separation levers 63, 6 as wedge-shaped members
As shown in FIGS. 2, 18 and 19, the separation levers 4 and 66 are arranged along the side walls 6a and 6b of the main chassis. It is supported through 62. As shown in FIGS. 21 to 23, the first separation lever 63
And the second separation lever 64 is provided with the guide elongated holes 63d,
64d is fitted around a center shaft 62a and a guide pin 62b provided on the bracket 62, and is supported so as to be able to reciprocate in the front-rear direction (Y-axis direction). Also,
The center axis 62a of the bracket 62 is formed so that the semicircular connection plate 67 can rotate around the position of the hole 67b.
And an engagement pin 67 a provided on the connection plate 67 is provided with an engagement hole 63 e of the first separation lever 63.
The connecting plate 67 is rotatable in the range of the arc-shaped groove 62e by being inserted through the engagement hole 64e of the second separation lever 64 and into the arc-shaped groove 62e of the bracket 62.

Accordingly, from the standby position shown in FIG.
When c moves rearward, the first separation lever 63 moves rearward together with the engagement pin 61c, and the connecting plate 67 rotates counterclockwise, and with this rotation, the second separation lever 64 moves forward. And reaches the separation operation position shown in FIG.

As shown in FIGS. 24 and 25, the third separation lever 66 has a guide
And is supported so as to be able to reciprocate in the front-rear direction. Therefore, FIG.
From the standby position shown in (a), the engaging pin 61c of the tray separation slide plate 61 is moved backward (opposite to the Y direction).
, The third separation lever 66 moves rearward together with the engagement pin 61c, and reaches the separation operation position shown in FIG.

The part of the separation levers 63, 64, 66 that performs the separation action is substantially wedge-shaped,
U-shaped notch 63c that captures the supporting portion 53b of
The first taper portions 63a, 64a, 66a as upwardly gently inclined portions and the second taper portion 63b, 6 as downwardly steeperly inclined portions sandwiching the portions 64c, 66c.
4b and 66b.

The second tapered portions 63b, 64b, 66b are
Since the inclination is steeper than that of the first taper portions 63a, 64a, 66a, when the trays are separated vertically by the two taper portions, the moving distance of the tray separated downward is separated upward. It becomes longer than the moving distance of the tray.
Therefore, while a space for the clamper to enter is secured above the tray holding the disc selected to be played, a sufficient space is secured below the tray, and the playback means is held in this lower area. The moved carriage 30 can enter.

In the separation operation position, as shown in FIG. 20, the tray 53 separated upward and downward by the tapered portion has the upper surface or the lower surface of the support portion 53b of the separation lever 63, 64, 66. Flat parts 63g, 64g,
66g, and is reliably fixed in the vertical direction (Z-axis direction). The tray 53 holding the disk to be reproduced is moved up and down by the second cam groove 8b of the cam gear 8, the slide plate 61, the first separation lever 63, the second separation lever 64, the third separation lever 66, the connection plate 67 and the like. Tray separating means 60 for separating the tray from other trays in the direction is provided.

As described above, the wedge-shaped member acting from a direction substantially perpendicular to the direction in which the trays are arranged is provided as means for selecting a tray carrying a desired disk and separating the tray from other trays. It can be simplified,
The downsizing of the device is achieved. Further, the number of trays can be easily increased or decreased, and the apparatus can be diversified. Next, a description will be given of an elevating means for moving the disc holding means 50 up and down to position the disc at a predetermined height in the vertical direction when selecting a disc designated to be reproduced.

As shown in FIG. 26, a contact member 82 slidably fitted on a guide shaft 81 extending in the vertical direction is provided on an upper right portion of the lower portion of the apparatus in an area 52p of the lower holder 52. Are arranged so as to abut from each other.
The contact member 82 is screwed to a vertically extending feed screw 83 integrally formed with the gear 84. The gear 84 meshes with the gear 85, and the gear 85
Is engaged with a worm 86 fitted to the spindle of the motor 87. Therefore, by rotating the motor 87, the worm 86, the gear 85, the gear 84, the feed screw 8
The contact member 82 is moved in the vertical direction via 3. At this time, since the lower holder 52 is always urged upward by the pantograph mechanism, when the contact member 82 is moved upward, the lower holder 5 is moved.
2 is raised by following the contact member 82 by the urging force. On the other hand, when the contact member 82 is moved downward, the lower holder 52 is lowered against the urging force.

The guide shaft 81, the contact member 82,
The disk holding means 50 is moved up and down by a feed screw 83, gears 84 and 85, a worm 86, a motor 87, and the like.
Elevating means 80 for positioning a desired disk at a predetermined height
Is configured. Further, a disc selecting means for selecting a desired disc is constituted by the elevating means 80 and the tray separating means 60 and the like.

Next, a description will be given of a disk guide positioning means for inserting a disk from the insertion slot 5 and positioning it on the tray 53, and a disk removing means for removing the disk on the tray 53 from the apparatus. FIG. 27 and FIG.
As shown in FIG. 8, a disc guide swing arm 91 that engages with the outer periphery of the disc and guides the disc in a predetermined direction when the disc is transported is disposed on the front side of the apparatus. The swing arm 91 is swingably provided in a horizontal plane around a support shaft 91a with respect to the carriage holding frame 31, and includes a locking piece 31c of the carriage holding frame 31 and a locking piece 91d of the swing arm. A spring 91f is stretched between them, and is urged clockwise to engage with the stopper 91e at the rest position A.

In each tray 53, two positioning arms 92 and 93 are provided so as to be swingable around support shafts 92a and 93a, respectively.
Is biased by a spring (not shown). In FIG. 27, each of the arms 91, 92, and 93 shown at the position B shows a state where the arms are at the maximum retracted position with respect to the disk.

In the configuration having such an arm, when the disk is conveyed toward the inside of the apparatus by the rollers 40, the outer periphery of the disk is formed by arms 92, 91 and 93, respectively.
Are sequentially engaged with the engaging portions 92b, 91b, and 93b, and each arm is moved to the retracted position B against the urging force of the spring.
Rock towards. Further, when the disk is conveyed inward, the disk separates from the roller 40 at a certain point and the driving force of the roller 40 does not act. At this time, the disc guide swing arm 91 is moved by the urging force.
The disc is moved toward the predetermined carrier 53a of the tray 53, and the loading of the disc is completed.

The loading of the discs into all the trays 53 is achieved by operating the elevating means to position each tray at a predetermined height. In the state where the disc is located at the predetermined carrying position on the tray 53,
Engaging portions 91b, 92 of each arm 91, 92, 93
b and 93b are all separated from the outer periphery of the disk with a slight gap. On the other hand, when the disc on the tray 53 is carried out of the apparatus, the disc is pushed out by the action of an extruding arm 94 that is swingably provided around a support shaft 94a in the rear part of the apparatus. That is, at the same time as the roller 40 is rotated in the counterclockwise direction at the time of loading, the pushing arm 94 is rotated counterclockwise from the retracted position B to the operating position A by the driving means (not shown). Then, the free end of the pushing arm 94 engages with the outer periphery of the disc and pushes the disc forward.
With the movement of the disk, the arms 93, 92, 91
Is swung toward the retreat position B. When the front portion of the disc is sandwiched between the roller 40 and the lower surface of the carriage 30, the disc is carried out toward the insertion slot 5 by the driving force of the roller 40.

The disk is displaced in the left-right direction (X-axis direction) by the guiding action of these arms 91, 92, 93 and the self-centering action of the roller 40 whose central portion in the axial direction has a reduced diameter (tapered shape). Without being transported in the front-rear direction (Y-axis direction). The above-described disk guide swing arm 91, positioning arms 92 and 93, and rollers 4 formed so that the outer diameter increases from the center toward both ends.
The zero taper structure constitutes a disk guide positioning means.

The pushing arm 94 and the roller 40 constitute a disk take-out means for taking the disk out of the apparatus. The disc guide swing arm 91 is once moved to the retreat position B when the disc is reproduced.
To allow the carriage 30 to move. That is, upon reproduction, the carriage 30
Is moved rearward, a rolling ring 30d externally fitted to an engaging pin 30c protruding downward from the lower surface of the carriage 30 engages an edge 91c of the swing arm 91, and the carriage 30 Swings the swing arm 91 counterclockwise as the arm moves rearward.
The upright engaging portion 91b is configured not to contact the lower surface and the side surface of the carriage 30.

Therefore, the components can be integrated by the height of the upright engaging portion 91b of the swing arm 91, whereby the thickness of the device can be reduced and the size of the device can be reduced. Next, a description will be given of the clamping means 100 for clamping the disk in cooperation with the turntable during reproduction of the disk.

As shown in FIG. 29, the carriage 30
Above this, a clamp means 100 is provided so as to be swingable in the vertical direction. That is, the U-shaped pivot 103 located at one end of the clamper arm 101 is
A clamper 102 is pivotally attached to the outer periphery of a guide shaft insertion member 30a externally fitted to the outer surface 8, and a free end is rotatably loosely inserted with a clamper 102 for pressing a disk.
Further, an L-shaped locking piece 10 is formed from a part of the clamper arm 101.
The clamper arm 101 is urged by a spring 105 to swing downward so that the flat lower surface of the locking piece 104 abuts the pin 32a of the slide plate 32 in a non-reproduction state. I have.

In this state, when the carriage 30 is conveyed to the reproducing position and the reproducing means such as the turntable 20 is moved upward to hold the disk, the pins 32a implanted on the slide plate 32 become X The engaging position is changed from the flat portion to the tapered portion of the locking piece 104, and the clamper arm 101 is moved by the biasing force of the spring 105.
Swings downward (toward the disk surface), and the disk is pressed by the clamper 102.

On the other hand, when the reproduction is completed, the turntable 20 and the like are moved downward, and at the same time, the pins 32a are moved.
Moves in the direction opposite to the X direction and engages with the flat portion of the lower surface of the locking piece 104, and the clamper arm 1 against the urging force of the spring.
01 is swung upward to release the clamp. The clamper arm 101, the clamper 102, the locking piece 104, the pin 32a and the like constitute a clamping means for clamping the disc in cooperation with the turntable 20.

Next, lock means for locking the main chassis 6 with respect to the housing 1 when the carriage 30 is at the standby position and the disc is not reproduced and the disc is not reproduced will be described. As shown in FIG. 30, on the lower surface (outer bottom surface) of the main chassis 6, a long lock lever 121 is disposed in the front-rear direction (Y-axis direction). , 121b are respectively inserted into guide elongated holes 121d formed in the main chassis 6, and are reciprocally movable in the front-rear direction and springs (not shown).
To move backward (toward the back).

The pin 121a of the lock lever 121 extends upward and can be engaged with the cam portion 37e of the swing arm 37. On the other hand, the main chassis 6 is supported via a support member (see FIG. 2) such as an anti-vibration rubber so that a predetermined interval is secured with respect to the inner wall of the housing 1 due to the necessity of performing anti-vibration during reproduction of the disk. (This state is referred to as a neutral position (NP)).

The cam gear 8 rotates counterclockwise from the neutral position, that is, the position A corresponding to the case where the carriage 30 is at the reproduction position, to the position B corresponding to the case where the carriage 30 is at the front standby position. When the swing arm 37 is swung by the, the cam portion 37e formed substantially at the front of the intermediate portion of the swing arm 37 engages with the pin 121a,
The lock lever 121 is made to protrude forward from the front end of the main chassis 6, and its end 121 c contacts the inner surface of the front wall of the housing 1.

When the lock lever 121 comes into contact with the housing 1, the support member such as the vibration isolating rubber is forcibly deformed in the front-rear direction, and the main chassis 6 is moved relative to the housing 1 by a predetermined distance L. Moved backward (toward the back). Thereby, the main chassis 6
Is biased in one direction with respect to the housing 1, and a locking action is obtained by the biasing force.

Further, since the main chassis 6 is relatively moved rearward, a space is secured between the front end of the main chassis 6 and the front wall of the housing 1, and the carriage 30 is disposed in this area. (To protrude forward from the main chassis 6). Therefore, as compared with a structure in which a constant vibration isolating space is always secured between the main chassis 6 and the housing 1, the space is used during non-reproduction when no vibration isolating is required as in the present embodiment. In the structure in which a part of the apparatus is made to be on standby, the depth of the apparatus can be shortened by the dimension L, so that the apparatus can be downsized.

The start point or the end point of the various operation steps described above is determined by a detection sensor (not shown) for detecting the timing by contact or non-contact with the moving member.
This is performed using Next, the operation of the disk reproducing apparatus according to the present embodiment will be described. First, in a power-off state in which the apparatus is stopped, the carriage 30 is located at a standby position positioned at a predetermined height on the insertion port side (see FIG. 3).

In this state, when the power is turned on and the disk loading mode is designated, first, the presence or absence of the disk is detected. The detection of the presence / absence of the disk is performed by sequentially selecting each tray by the lifting / lowering means, performing an operation of moving the disk to the predetermined position by the removal means, detecting the presence / absence of the disk by the photo sensor installed at the predetermined position, and again detecting the disk. The operation for storing is performed. This operation is repeatedly performed for all trays. Subsequently, when an empty tray is detected by the above-described disk presence / absence detection, the empty tray 53 is positioned at a predetermined height by the elevating means 80, and the roller 4
0 rotates in the loading direction, and the disk can be inserted. When inserting a plurality of discs, the discs are inserted continuously by a desired command operation or for each command.

When the insertion, ie, the loading, of the disk is completed, the mode shifts to the reproduction mode in accordance with a predetermined command.
When a desired disc is selected, the tray carrying the disc is positioned at a predetermined height by the elevating means 80, and separated from other trays by the tray separating means 60 to be positioned at the predetermined height. Is made. Then, the cam gear 8 is rotated clockwise by the driving means 70. By the rotation of the cam gear 8, first, the slide plate 61 is moved backward by the action of the second cam groove 8b, and at the same time, the tray separating lever 6 is moved.
3, 64, 66 are moved back and forth to separate the tray 53 carrying the disc to be reproduced from the other trays.

At the same time as the operation of separating the tray, the drive lever 110 is moved rearward by the action of the engaging pin 8f, and the cam plate 36 moves rearward.
The carriage carrying frame 31 is lowered, and the carriage 30 is positioned at a predetermined height. When the cam gear 8 further rotates, the swing arm 37 is swung backward by the action of the first cam groove 8a, and at the same time, the carriage 30 is moved from the standby position to the reproduction position between the trays. As the swing arm 37 moves rearward, the lock by the lock lever 121 is released, and the main chassis 6 returns to the neutral position supported by the vibration proof.

Then, at the same time when the carriage 30 reaches the reproduction position, the U-shaped engagement piece 32 d on the carriage 30 engages with the engagement pin 39 d on the slide lever 39. When the cam gear 8 is further rotated, the slide lever 39 is moved in the direction opposite to the X direction by the action of the third cam groove 8c, and at the same time, the slide plate 32 is moved to raise the reproducing means carrying frame 35, thereby turning the turntable. 2
0 lifts the selected disk from below and carries it. In synchronism with the raising of the reproducing means carrying frame 35, the engagement between the locking piece 104 of the clamper arm 101 and the pin 32a is released, and the clamper arm 101 swings downward by the urging force of the spring 105 to be selected. The pressed disc is pressed toward the turntable 20. In conjunction with the movement of the slide lever 39, the lower cylindrical member 131 is raised by a predetermined amount by the action of the interlocking means and the cam means (both not shown), and the upper end thereof is the lower surface of the carriage 30 at the reproduction position. (See FIG. 3) to lock the carriage 30.

This completes the preparation for reproducing the disc.
Playback of the disc is performed. When the reproduction of the disc is completed and the reproducing means returns to the standby position, a reverse process to the above-described operation is performed, and the description is omitted here. On the other hand, in the case of taking out the disc stored in the disc holding means 50, when a predetermined take-out mode is designated, the tray carrying the disc selected to be taken out is positioned at a predetermined height by the elevating means, and thereafter, When the take-out arm 94 is rotated counterclockwise by the driving means, and the take-out arm 94 moves the disk forward by a predetermined distance, the roller 40 rotating in the carry-out direction is rotated.
The leading edge of the disc enters between the carriage and the lower surface of the carriage 30, and the unloading of the disc is completed by the rotational force of the rollers 40.

As described above, the disk reproducing apparatus of the present invention reciprocates in the direction perpendicular to the arrangement direction of the disks, and at the reproduction position between the trays during reproduction, and at the standby position apart from the outer edge of the disk during non-reproduction. The reproducing means moved to the position, and the roller for transporting the disc,
During non-playback (standby), the discs are positioned so as to be arranged in the arrangement direction of the discs.

Therefore, in the moving direction of the reproducing means, the size of the apparatus in the front-rear direction can be reduced as compared with the apparatus in which the reproducing means and the roller are located in different areas when not reproducing. Further, the disc reproducing apparatus of the present invention employs a wedge-shaped moving member which reciprocates in a direction intersecting with the arrangement direction of the discs as means for selectively separating the disc to be reproduced from other discs. Thus, the selective separation means can be configured, and the size of the apparatus can be reduced.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a disc reproducing apparatus according to the present invention.

FIG. 2 is a plan view showing an arrangement relationship of a disk reproducing apparatus according to the present invention.

FIG. 3 is a side view showing an arrangement relationship of the disk reproducing device according to the present invention.

FIGS. 4A and 4B show a disk transport means according to the present invention, wherein FIG. 4A is a plan view and FIG. 4B is a front view.

5 (a) is a plan view, FIG. 5 (b) is a front view, FIG. 5 (c) is a rear view, and FIGS. 5 (d) and (e) are side views.

FIGS. 6A and 6B show a reproducing means carrying frame according to the present invention, wherein FIG. 6A is a plan view, FIG. 6B is a front view, FIG. 6C is a rear view, and FIGS. is there.

7A and 7B show a carriage carrying frame according to the present invention, wherein FIG. 7A is a plan view, FIG. 7B is a front view, and FIG.
Is a rear view, and (d) and (e) are side views.

FIG. 8 is a side view of a main chassis according to the present invention.

FIG. 9 is a side view of the main chassis according to the present invention.

FIG. 10 is a plan view showing a drive lever for raising and lowering the carriage according to the present invention.

FIG. 11 is a plan view showing a carriage transport unit according to the present invention.

FIG. 12 is a plan view illustrating a carriage conveying unit according to the present invention.

13A and 13B show a disk holding means according to the present invention, wherein FIG. 13A is a rear view and FIG. 13B is a side view.

FIG. 14 shows a lower holder according to the present invention,
(A) is a plan view, (b) and (c) are side views, and (d) is a rear view.

FIG. 15 is a plan view of a tray according to the present invention.

FIG. 16 is a plan view of a disk holding unit according to the present invention.

FIG. 17 shows an upper holder according to the present invention,
(A) is a plan view and (b) is a side view.

FIG. 18 shows a state before the operation of the tray separating means according to the present invention, wherein (a) is a plan view, (b) and (c).
Is a side view.

FIGS. 19A and 19B show a state after the operation of the tray separating means according to the present invention, wherein FIG. 19A is a plan view, and FIGS.
Is a side view.

FIG. 20 is a side view showing a state where the tray holding the selected disk is separated by the tray separating means according to the present invention.

FIG. 21 is a diagram illustrating a configuration of a tray separating unit according to the present invention.

FIG. 22 is a diagram illustrating components constituting a tray separating unit according to the present invention.

FIG. 23 is a diagram illustrating components constituting a tray separating unit according to the present invention.

FIG. 24 is a diagram illustrating a configuration of a tray separating unit according to the present invention.

FIG. 25 is a view showing parts constituting the tray separating means according to the present invention.

FIG. 26 is a plan view showing elevating means for elevating the disk holding means according to the present invention.

FIG. 27 is a plan view of a disk guide positioning unit and a take-out unit according to the present invention.

FIG. 28 is a side view illustrating a positional relationship between the roller and the tray according to the present invention when the disk is loaded and unloaded.

FIG. 29 is a front view of a clamp unit according to the present invention.

FIG. 30 is a plan view of a lock unit according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Housing 5 Insertion port 6 Main chassis 7 Printed circuit board 8 Cam gear 10 Pickup 20 Turntable 30 Carriage 31 Carriage carrying frame 32 Slide plate 35 Reproduction means carrying frame 36 Cam plate 37 Swing arm 38 Guide shaft 39 Slide lever 40 Roller 50 Disc Holding means 51 Pantograph 52 Lower holder 53 Tray 54 Upper holder 55 Spring 60 Tray separating means 61 Tray separating slide plate 63 First separating lever 64 Second separating lever 66 Third separating lever 67 Semicircular connecting plate 63a, 64a, 66a First taper portion 63b, 64b, 66b Second taper portion 63c, 64c, 66c Notch (slit) 71 gear 72 gear 73 two-stage gear 74 worm gear 75 worm 76 motor 81 guide shaft 82 contact member 83 feed screw 84 gear 85 gear 86 Omu 87 motor 91 disk guide swinging arm 92, 93 the positioning arm 94 push-out arm 100 clamp means 101 clamper arm 102 clamper 104 engaging piece 110 carriage lift driving lever 120 locking lever

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Kenjiro Ido 25-1, Nishimachi, Yamada-ji, Kawaji-shi, Saitama Prefecture Inside Pioneer Corporation Kawagoe Plant (72) Inventor Toru Suzuki 25-1, Nishi-machi, Yamada-ji, Kawagoe-shi, Saitama Pioneer Corporation Kawagoe Factory

Claims (3)

[Claims] 1. A disc reproducing apparatus which inserts a plurality of discs on which information is recorded from an insertion slot, holds the discs in a predetermined direction, and selects and reproduces a desired disc from the discarded discs. A disk holding means including a plurality of trays arranged to hold the plurality of disks, a disk transfer means for transferring the disk between the insertion slot and the tray, and A disk reproducing unit that is located outside the area where the disk held by the disk holding unit is located, and that is conveyed so that at least a part of the disk is positioned within the area where the disk is present during reproduction; A desired disk is selected and positioned at a predetermined position so as to allow the disk reproducing means to enter the existing area of the disk. And disk selecting means for moving another disk in the direction in which the disks are arranged and retracting the disk. The disk selecting means moves in a direction substantially perpendicular to the direction in which the disks are arranged, and A disc reproducing apparatus comprising a wedge-shaped member inserted between and engaged with a set tray. 2. The wedge-shaped member includes a notch for inserting a part of a tray holding the desired disc and positioning the same on a predetermined position, and two notches positioned across the notch. The disk reproducing device according to claim 1, further comprising an inclined portion. 3. The two slopes each having a different slope.
3. The disk reproducing apparatus according to claim 2, wherein: