JPS61230667A - Multi-disk player - Google Patents

Abstract

PURPOSE:To carry disks stably in the direction approximately vertical to the disk holding surface with a compact design by using a disk taking-out/carrying mechanism to drive a parallel maintaining means which sets the counter surface of a moving disk in parallel to the disk holding surface. CONSTITUTION:A disk holding member 30 is attached to the lower surface side of a mechanical chassis 16 via a lever member and can abut the counter surface to the disk holding surface of the disk which is moved by a disk shift means in the direction approximately vertical to the disk holding surface of a turntable 35. The member 30 also constitutes a parallel maintaining means which always sets the counter surface to the disk holding surface of the disk moving in the direction approximately vertical to the disk holding surface of the turntable 35 in parallel to the disk holding surface. The drive power is given to the parallel maintaining means from the disk taking-out/carrying mechanism. This omits a special drive source for the parallel maintaining means. Thus it is possible to carry disks stably in the direction approximately vertical to the disk holding surface with the compact design.

Description

DETAILED DESCRIPTION OF THE INVENTION L11 The present invention relates to a disc player, and particularly to a disc player that can store a plurality of discs and can sequentially select any stored disc for continuous play! Luna disc play 1
Regarding f.

BACKGROUND ART A jukebox is generally known as such a disc player. However, conventional jukeboxes have very large bodies, making them unsuitable for home use.

In recent years, it has been called a digital audio disc (hereinafter abbreviated as DAD), and by recording digital signals, it is possible to increase the amount of information that can be stored compared to the conventional audio disc that contains analog signals, and it is easier to play. Several types of disks that generate less noise have been developed and are widely used.

Among these, a disk with an outer diameter of about 12 cw, which is generally called a compact disk and which uses a laser beam to record and read signals, is easy to handle and allows the overall size of the disk player to be miniaturized. be. Recently, I have been using multiple pieces of this small DAD (for example, 5 to 6 pieces).
A multi-disc player that can be stored at all times and is ideal for use as a home jukebox that plays these discs continuously has been developed. By the way, a small DAD has a performance time of one hour and can accommodate approximately 1.5 times the amount of information as a conventional analog audio disc. Therefore, for example, 6 discs can accommodate approximately 120 songs with a playing time of around 3 minutes, and you can choose from 17 different genres such as The Vs or Enka. It also makes it easier to do things.

A multi-disc player basically consists of a playing means including a turntable, a pickup, etc., a magazine that stores a plurality of discs arranged in order at a predetermined pitch, and a playback position by sequentially selecting any disc in the magazine.
In other words, it includes a disk ejecting and conveying mechanism that conveys the disk onto the turntable.

In Maruji Disc Play\7, select t = When transporting the disc to the playing position, that is, onto the turntable, the disc is moved in two directions, for example, in a direction parallel to the disc supporting surface of the turntable and in a direction substantially perpendicular thereto. Moving covering is done. Recently, a disk play 17 has been developed which also serves as a so-called clamp mechanism as means for moving the disk in a direction substantially perpendicular to the disk holding surface. Specifically, it includes a disc-shaped pressing member that comes into contact with the surface of the disc opposite to the turntable and cooperates with the turntable to perform a disc clamping action, and a disc-shaped pressing member that rotatably supports the pressing member and supports the disc together with the disc. It has a pressing member moving mechanism for moving the pressing member in a direction substantially perpendicular to the disk supporting surface of the turntable. However, the movement of the disc by this clamp mechanism is unstable, and if, for example, some external force is applied to the disc player while the disc is moving, the disc may tilt with respect to the movement direction or shift in the radial direction, resulting in a so-called error. There was a concern that it would cause a clamp.

The present invention has been made in view of the above points, and its purpose is to stably transport the disk in a direction substantially perpendicular to the disk supporting surface of the turntable. Therefore, it is an object of the present invention to provide a multi-disc player that can easily reduce the size and cost of the player as a whole.

A multi-disc player according to the present invention includes a disc holding member that can come into contact with a surface of a disc that is moved in a direction substantially perpendicular to the disc-supporting surface of the turntable, and that is capable of contacting a surface of the disc that is opposed to the disc-supporting surface of the turntable. A parallelism maintaining means is provided for ensuring that the opposing surface is parallel to the disk supporting surface and for preventing the disk from shifting in the radial direction, and the parallelism maintaining means is provided with a driving force by a disk ejecting and conveying mechanism. It is characterized by

Embodiments Hereinafter, a multi-disc player as an embodiment of the present invention will be described with reference to the accompanying drawings.

In the figure, reference numeral 1 indicates the entire multi-disc player.

As shown in FIG. 1, the front panel 3 east of the housing 2 is provided with a rectangular opening 3a for accommodating the magazine 5 within the housing. The opening 3a extends in the left-right direction. However, the left and right direction referred to here refers to the front direction indicated by the arrow Y, and the direction indicated by the arrow X.
The direction is to the left. Further, arrow Z indicates upward.

Also provided on the front panel 3 are a group of operation buttons 6 and a display section 7 for operating the disc player.

As shown in FIGS. 2 and 3, the magazine 5 consists of a magazine main body 8 that is generally flat and rectangular parallelepiped, and six rectangular plate trays 11 each carrying a disk 1o on its main surface. Each tray 11 and therefore each disk 1o
are arranged and housed in order at a predetermined pitch in a direction perpendicular to the disk supporting surface of the turntable to be followed, in this case, in the up and down direction (in the direction of the arrow and its opposite direction).

As is clear from FIG. 2, each tray 11 can be protruded from the magazine body 8 along its main surface through the rear end opening of the magazine body 8 and can be housed therein. Also, the first
As shown in the figure, the magazine body 8 includes a tray 11
The portion facing the disk supporting surface, that is, the upper surface portion is left open. As is clear from FIG. 2, a guide pin 11a is formed at the front end of the right side of each tray 11 and projects upward (in the direction of arrow Z). This guide bottle 11
A is slidably fitted into a guide groove 88 formed on the right side of the magazine main body 8 and extending in the front-rear direction (direction of arrow Y and the opposite direction).

The guide grooves allow the guide pins 11a to move only in the protruding and retracting direction of each tray 11, that is, in the front-rear direction. As shown in FIG. 2, inside the magazine body 8, there is a projection 11b protruding from the main surface of each tray 11 to prevent the tray from coming out of the magazine body. A flexible engagement claw 8b is provided.

As shown in FIG. 1, a flat plate-shaped horizontal chassis 13 is arranged at the lower part of the housing 2, and on the horizontal chassis, each tray 11 protrudes in the storage direction, that is, the front-rear direction (arrow Y A pair of vertical shafts 14 and 15 which are supporting members extending in the left-right direction (direction of arrow X and the opposite direction) and facing each other in the left-right direction (direction of arrow X and the opposite direction)
is permanently installed. For example, as shown in FIGS. 4 and 5, a flat mechanical chassis 16 is installed between the upper ends of each of the vertical chassis 14 and 15. As shown in FIGS. As will be explained later,
A turntable, pickup means, etc. are mounted on this mechanical chassis 16.

As shown in FIGS. 4 to 6, a select plate 19 is disposed on the right side of the right vertical chassis 15 along the surface of the vertical chassis, and is movable back and forth in the front-rear direction. ing.

As is particularly clear from FIGS. 10(a) and +b+, the select plate 19 is formed into a rectangular plate shape, and a rack portion 19a is formed at the front of the upper end thereof to extend in the front-rear direction. Also, on the right side of the rear end of the select plate 19, there is a
Six step portions 19c to 19h descending in the direction (direction) are formed. For example, as shown in FIGS. 4 and 5,
At the upper front end of the vertical chassis 15, there is a projecting portion 1 that projects upward.
5a is formed, and a double gear 2o having two large and small gear parts is attached to the cough projection part.

The small gear portion of the double gear 20 meshes with the rack portion 19a of the select plate 19. The double gear is connected to the output shaft of the mower 924 via a pulley 21, a belt 22, and a small pulley 23 in which a small gear 21a is integrally formed. These double 11P+ wheel 20, pulley 21, belt 22, small pulley 23, and motor 24 constitute a driving force applying means for applying driving force to the select plate 19.

As shown in FIGS. 4 and 5, the mechanical chassis 16
A bracket part 'i6a'h<C is provided at the rear right end of the bracket 16a' to protrude upward (in the direction of arrow Z). An arm member 28 is swingably attached to the bracket portion at the rear end RI+ via the holes 1 to 26 of the arms 17 extending to the right and the collar 27. The arm member 28 is made by bending and forming a steel plate into a substantially U-shape, and includes a first arm portion 28a whose substantially central portion is bent in a dogleg shape, and a second arm portion 28b which extends linearly. have. At the tip of the second arm portion 28b is a bottle 28 extending to the left (in the direction of arrow X).
C is provided in a protruding manner, and the bins can be engaged with six stepped portions 19c to 19h formed on the select plate 19, respectively. As shown in FIGS. 4 and 7, a bottle 28 also extends to the left at the tip of the first arm portion 28a.
d protrudes, and this bin 28d is rotatably engaged with the center portion of the right end of a rectangular plate-shaped disk pressing member 30 extending in the front-rear direction and the left-right direction. This disk holding member 30 consists of three lever members 31 to 33.
J: A disk that is attached to the lower surface of the mechanical chassis 16 via a disk moving means (to be described later) in a direction substantially perpendicular to the disk supporting surface of the return table 35 (up and down in this case). The lower surface of the disk may be brought into contact with the surface facing the disk supporting surface. As is clear from FIG. 7, the lever member 32 is rotatably connected to the mechanical chassis 16 at one end (front end) by a pin 32a, and a pin 32b protruding from the other end of the lever member. is slidably fitted into a long groove 30a formed at the rear end of the disc holding member 30. Further, the lever member 31 that suspends the left side of the disk pressing member 30 is formed approximately symmetrically with the lever member 32, and like the lever member 32, the lever member 31 is attached to the bottle 31a.

It is coupled to the mechanical chassis 16 and the disk holding member 30 via 31b. As is clear from FIG. 7, the remaining lever member 33 is arranged to intersect with the lever member 32, and is pivotally connected to the lever member 32 at the intersection by the pin 33a. Lever member 33
is a disk holding member 30 at one end (front end) thereof.
A pin 33c is rotatably connected to the front end of the lever member by a pin 33b, and a pin 33c protruding from the other end of the lever member is slidable in a long groove 16c formed in the mechanical chassis 16 extending in the front-rear direction. They are mated. That is, the disc holding member 30 is configured to move parallel to the disc supporting surface of the turntable 35.

The above-mentioned disk holding member 30 and three lever members 3
1 to 33, each of the lever members is pressed against the disk holding member 3.
0 and each bin etc. pivotally attached to the mechanical chassis 16, the surface of the disk moving in the direction perpendicular to the disk carrying surface of the turntable 35, which faces the disk carrying surface, is always parallel to the disk carrying surface. The parallelism maintaining means is constructed as follows. Further, the lower surface of the disk holding member 30 is provided with a protrusion or the like that engages with the outer periphery of the moving disk to prevent the disk from shifting in the radial direction.

Note that, as described above, the turntable 35 is attached to the mechanical chassis 16. Further, as shown in FIG. 8, a carriage 36 carrying an optical pickup means is disposed on the mechanical chassis 16, and a carriage 36 carrying an optical pickup means is disposed on the mechanical chassis 16. , is attached to the mechanical chassis 16 so as to be movable in the front direction (arrow Y direction and the opposite direction). Although not shown, the carriage 3
Carriage drive means for driving 6 is provided.

The above turntable 35, the carriage 36 including the optical pickup means, and the small carriage drive means constitute a playing means for playing a disc.

As shown in FIGS. 5 and 6, of the pair of vertical chassis 14 and 15 provided on the left and right (see FIG. 1), the right side of the right vertical chassis 15 is provided with a part of the vertical chassis. A rail 40 extending in the front-rear direction is also provided.

As also shown in FIG. 9 (ω and (b)), the rail 40
A hook plate 41 is slidably attached to. As is particularly clear from FIG. 11(a) and crest), the hook plate 41 is made of a bent steel plate, and a bracket portion 41a extending downward is formed at the rear of the lower end thereof. As shown in FIGS. 4, 6, and 11(b), a sub-bracket 42 is attached to this bracket part 41a with screws 42a, etc. A guide shaft 43 is fixed that extends in the arrangement direction of 11, that is, in the vertical direction. As is particularly clear from FIG. 4, a hook member 44 extending in the front-back direction is slidably attached to the guide shaft 43 at its rear end. That is, the hook member 44 is movable in the direction in which the trays 11 are arranged. As shown in FIG. 2, the knocking member 44 engages with the engaging portion 11 (I) formed on each tray 11 to cause the tray to protrude outside the magazine body 8. Eggplant.

As shown in FIGS. 4, 6, and 7, a bin 44a is formed on the left side of the rear end of the hook member 44 and projects leftward. On the other hand, on the right side of the front end of the disc holding member 30, there is a horizontal groove 30a that slidably fits into the bin 44a.
A protrusion 3ob is provided. That is,
As the disk holding member 30 moves up and down, the hook member 44
is designed to move up and down.

The disc to be played is controlled by the aforementioned select plate 19, the driving force applying means that includes the motor 24 and the like and applies a driving force to the select plate, the shaft 26, the arm member 28, and peripheral small members related thereto. Hook member moving means is configured to move the hook member 44 to a position where it engages with the tray carrying the hook member 44. As shown in FIGS. 4 and 5, the hook plate 41 has a U-shaped notch 11e (for example, in FIG. A shaft-like positioning member 46 having a plurality of annular positioning grooves 468 that can be fitted with a shaft-like positioning member 468 (see FIG. 3) is provided with a mounting number.

As shown in FIGS. 4 to 6 and 9, in addition to a hook plate 41, a rack member 48 is slidably mounted on a rail 40 provided on the vertical chassis 15. However, the rack member 48 is positioned so as to sandwich the hook plate 41 together with the rail 40. As is especially clear from FIG.
A rack portion 48a is formed at the upper end of J48 and extends along the entire length of the rack member. A plurality of claws 48b are provided on the left side of the rack member 48, and the rack member 48 is configured to grip the rail 40 with each of the claws.

Further, a protruding portion 48d that protrudes downward is formed at the rear of the lower end of the rack member 48, and a plurality of blade-shaped holding portions 48 that can hold the hook members 44 described above are provided on the left side of the protruding portion.
e is provided.

More specifically, as shown in FIGS. 4 to 6,
A bottle 44c extending to the right is protruded from the rear end of the hook member 44, and the bottle extends vertically into the bracket portion 41a of the hook plate 41 to form a long hole 41b (Fig. 11). (see (a), etc.), and is held on the blade-shaped holding portion 48e.

As shown in FIGS. 4 and 5, another projecting portion 15c is formed on the vertical chassis 15 at the rear of the projecting portion 15a, and the projecting portion has two large and small gear parts. A double gear 5° formed coaxially is attached. The small gear portion of the double gear 5o is connected to the rack portion 48 of the rack member 48.
It meshes with a. The double gear includes a pulley 51, a belt 52, and a small pulley 53, on which a small gear 51a is integrally molded.
It is connected to the output shaft of the motor 54 via.

These double gears50. The pulley 51, the belt 52, the small pulley 53, and the motor 54 constitute a driving force applying mechanism that applies a driving force to the rack member 48. In addition, the above-mentioned rack member /1.8 is referred to as a second moving member,
On the other hand, the hook plate 41 is referred to as a first moving member.

As shown in FIG. 9(a) and Fig. 9(a), the rails 40 forming a part of the support member are provided with rack members 48, which are the second moving members, spaced apart from each other in the moving direction, and each of the rack members 48, which is a second moving member, A first guide groove 40a and a second guide groove 40b are provided which are elongated and have the same depth. On the other hand, the rack member 48 has first and second guide grooves 40a,
A third guide groove 48 () and a fourth guide groove 48 are arranged so as to be able to face the rack member 40b and to be spaced apart from each other in the moving direction of the rack member 48, each extending in the moving direction, and each having the same depth.
h is formed. In addition, the rail 40 and the rack member 4
8, the hook plate 41 has the third and fourth guide grooves 4 in the moving direction of the hook plate.
8(+, 48h), and the first to fourth guide grooves 40
A pair of circular openings 41d and 41e are formed which can face the openings a, 40b, 480 and 48h. This pair of openings 41d.

Inside 41e, first to fourth guide grooves 40a, 40b,
A spherical movable piece 56.5 that can engage with 48 (l and 48h)
7 are arranged respectively.

As shown in FIG. 9(a), at least the rail 40 (supporting member) and the rack member 48 (second moving member) within the movement range of the hook plate 41, which is the first moving member.
The distance between opposing surfaces: 9a is smaller than the outer diameter dimension: d of the movable pieces 56 and 57. Further, one of the opposing surfaces of the rail 40 (supporting member) and the rack member 48 (second moving member) and -[2 first to fourth guide grooves 40a,
4. Ob.

Of 48g and 48h, the distance 20b between the negative surface and the opposing bottom surface of the guide groove is slightly larger than the outer diameter dimension: d of the movable pieces 56 and 57.

At the front end of the rail 40, first and third guide grooves 40a,
When the end portions of 48g in the same direction, in this case, the respective rear end portions, coincide, a regulating protrusion 40 contacts the hook plate 41, which is the first moving member, and restricts the forward movement of the hook plate.
c is formed.

In addition, near the rear end of the rail 40, there are ends in the same direction of the second and fourth guides 40b and 4.8h, and when the respective front ends are aligned, they abut against the hook plate 41 and Regulating protrusion 40d that restricts backward movement of the hook plate
is installed protrudingly. Note that the regulating protrusion 40C is referred to as a first regulating means, whereas the regulating protrusion 40C is referred to as a first regulating means. Od is referred to as a second regulating means.

The above-described first to fourth guides Ft40a, 40b.

4-BQ, 4.8h, a pair of openings 41d and 41e formed in the hook plate 41, movable pieces 56 and 57 arranged in the openings, and each of the above-mentioned regulating protrusions 40c and 40d. 2 Rack member 48 as a moving member
When it moves rearward and reaches a position where it can hold the hook member 44, it locks the hook plate 41, which is the first moving part, and the rack member, and in this locked state, the magazine is moved through the hook plate 41 and the hook member 44. When the disc 10 supported on the tray 11 projected outside the main body 8 reaches a position concentric with the disc supporting surface of the turntable 35 (directly below the disc supporting surface), the locked state is released and the hook plate 41 A lock/release means for locking the rail 40 to the rail 40 is configured.

Further, the lock/release means, a vertical chassis 15 which is a support member including the rail 40, a hook plate 41 which is a first moving member, a rack member 48 which is a second moving member, a motor 54, etc. are included in the rack member. A driving force applying mechanism that applies a driving force, a hook member 44, and a hook member moving means that is made up of a select plate 19, a motor 24, etc. and moves the hook member 44 to a position where it engages with a tray carrying a disc to be played. , a tray projecting means for projecting the tray 11 carrying a disc to be played from the magazine body 8 is constructed.

Next, the disk 10 carried on the tray 11 projected outside the magazine body 8 by the tray projecting means
A disk moving means for moving the disk in a direction substantially perpendicular to the disk supporting surface of the turntable 35 will be explained.

For example, as shown in FIG. 8, a bracket 168 that projects downward is provided on the lower surface of the mechanical chassis 16. As is clear from FIG. A shaft 61 is attached which extends in the direction and the opposite direction. This shaft 61
There is an oscillating amplifier.

A swinging member 64 formed by combining a lever 62 and a clamp angle 63 is swingably attached.

As is clear, the swinging member 64 swings in a plane substantially perpendicular to the disk supporting surface of the turntable 35. The position of the swinging member 64 shown in FIG. 8 is referred to as a non-clamping position, and the position where the swinging member 64 is swung a predetermined amount counterclockwise around the shaft 61 from this position is referred to as a clamping position of the swinging member. In addition, FIGS. 13(a) and (b)
14 shows details of the swing angle 62, and FIG. 14 (al and +b) shows details of the clamp angle 63. FIG. 14(a).

As is particularly clear from (b), the clamp angle 63
has a straight free end 63a. When the swinging member 64 including the clamp angle 63 is in the non-ramp position (the position shown in FIG. 8), the linear free end 63a is parallel to the disk supporting surface of the turntable 35. It is done like this.

As shown in FIGS. 4 and 8, the rear end of a rectangular plate-shaped support 65 is attached to the free end of the swinging member 6/I, that is, the tip of the clamp angle 63 via a pin 65a. It is pivoted. A disk-shaped pressing member 66 is rotatably attached to the upper surface of this support body 65. Pressing member 6
6 is in contact with the surface of the disk 10 opposite to the turntable 35 and cooperates with the turntable to perform a disk clamping action. Further, near the free end of the swinging member 64, that is, approximately at the center of the clamp angle 63, a linear lever member 68 is attached to the longitudinal pin 68 at its rear end.
It is pivotally connected via 9. Specifically, the longitudinal bin 69 is fixed to the lever member 68, and
A long hole 63b formed in the center of the clamp angle 63
It is slidably fitted. <7> Details of the lever member 68 are shown in FIG. 15(a) and 15(a). Also,
The front end of the lever part +468 is attached to the longitudinal bin 71.
It is pivotally attached to the front end of the support body 65.

As is particularly clear from FIG. 14 (a) and FIG. 15 (a), there are small protrusions 630 at the front end of the clamp angle 63 and the rear end of the lever member 680, respectively.
．． 68a is formed, and a =l spring 72 is stretched between the two overhangs.

This coil spring 72 biases the lever member 68 formed in a straight line so that the lever member 68 is parallel to the straight free end of the clamp angle 63.

The plate-shaped support 65 described above, the swinging part 64 consisting of the swinging angle 62 and the clamp angle 63, and the lever part 4
468 and a coil spring 72 as a fourth force means, the pressing member 66 is pressed against the disk supporting surface of the turntable 35 together with the disk 10 supported on the tray 11 which is projected outside the magazine main body 8 and pushed together. A pressing member moving mechanism and mechanism for moving in a substantially vertical direction is constructed. 3. Furthermore, the pressing member moving mechanism and the pressing member 66 constitute a clamp l[ that clamps the disc 10 conveyed to the performance position, that is, the turntable 35.

As shown in FIGS. 4 and 5, a longitudinal intermediate member 76 formed in an abbreviated shape is disposed above the rear part of the vertical chassis 15 so as to extend in the front-rear direction, and is capable of reciprocating motion in the front-rear direction. It can be freely taken up by the vertical chassis 15. The front end of the intermediate member 76 has a bin 76a extending to the left (arrow X direction), and the rear end has a bin 7 extending to the right.
6b is provided protrudingly. Note that the intermediate member 76 is a bottle 76.
It is possible to swing within a predetermined range around point a.

A pin 76a provided at the front end of the intermediate member 76 can engage with the free end of the swing angle 62, which is a component of the swing member 64, and a pin 76a is provided at the rear end of the intermediate member. The bin 76b can engage with the rear end of the rack member 48 during movement. That is, the intermediate member 76 has the function of interlocking the swing angle 62, that is, the swing member 64 with respect to the movement of the rack member 48.

Swing angle 6 of each of the above-mentioned bins 76a and 7611
2 and the state of engagement with the rack member/18 will be explained in detail.

First, regarding the engagement between the pin 76a and the swinging angle 62, as is particularly clear from FIG.
a is formed, and the pin 76a engages with this cam portion 62a. On the other hand, at the rear end of the rack part +A/l 8, there is a four part 48j (particularly shown in FIGS. 12(a) to 12(c)) that engages with the bin 76b when the rack member moves forward (moves backward). ) is the forward movement distance after engaging with the bin 76 b (when the rack member moves backward (moves forward), it engages with the bin 76 b and as the rack member moves backward). K with the forward movement angle 62 centered on the backward movement (sir) 1-61
A claw-like engaging portion/18 is formed with a claw-like engaging portion/18 for causing the swinging motion in the fj direction. As is clear from FIG. 5, the bottle 76b has the above-mentioned concave portion 7I8j and the claw-like engaging portion/18. The rail/I can be engaged with the rail/I.
It is slidably fitted into a cam hole 40f formed in the shape 26.

This cam hole 4. Of is connected to the claw-like engaging portion 48 and the pin 76.
b acts as an engagement/disengagement means that engages and disengages the rack member 48 in accordance with the reciprocating motion (back and forth movement) of the rack member 48.

Here, as shown in FIG. 5, the clamp angle 6
3 is connected to a coil spring 78, and the swing angle 62, together with the clamp angle 63, is given a piascus in the backward movement direction (clockwise around the shaft 61) by the coil spring. Rack member 4
Although there is a difference in that the rack member 8 makes a linear reciprocating motion while the swinging angle 62 makes a reciprocating swinging motion, it can be said that the reciprocating directions of the rack member and the swinging angle are substantially the same. . Therefore, the bin 76 at the front end of the intermediate member 76
If the engagement between the cam portion 62a of the swing angle 62 and the cam portion 62a of the swing angle 62 is a simple engagement, the pie spacing caused by the coil spring 78 will be applied to the rack member 48 via the swing angle 62 and the intermediate member 76 in sequence. When the rack member 48 has reached its maximum forward movement position (rearward movement limit position), a strong forward pressing force due to the pie spacing is constantly applied to the rack member 48. The rack member 48 is often made of resin, and it is not preferable that such a large pressing force be applied over a long period of time. Therefore, the engagement between the bin 76a of the intermediate part old 76 and the cam part 62a of the swing angle 62 is not a simple engagement, but when the rack member 48 and the intermediate member 76 are in the forward movement position (backward movement limit position). so that the piascus is not transmitted to the bottle 76a, and
The cam portion 62a is formed so that when the rack member and the intermediate member move back (move forward) by a predetermined distance from the most forward movement position, the pie spacing is transmitted to the intermediate member 76.

However, if the shape of the cam portion 62a is simply configured in this manner, when the rack member 48 moves backward from the forward position, the swing angle 62 and the intermediate member 76 are cannot be moved back (clockwise rotation around the shaft 61 for the swing angle 62, and forward return movement for the intermediate member 76). However, as described above, the claw-like engaging portion 48k is formed at the rear end of the rack member 48, and the action of the claw-like engaging portion causes the rack member 48 to move backward from the forwardmost position. At this time, the intermediate member 76 is forcibly moved back by the predetermined distance. Therefore, following this, the above-mentioned pie scan can cause the intermediate member 76 and the swing angle 62 to move back.

Vertical chassis 15 serving as a support member including the aforementioned rails 40
The pressing member 6 includes a rack member 48, a motor 54, etc., and a driving force applying mechanism that applies a driving force to the rack member.
6, the intermediate member 76, the coil spring 78 as a pie-scar applying means, and the peripheral small members related thereto, the tray 11, which is projected outside the magazine body 8 by the tray projecting means described above, is A disk moving means is configured to move the disk 10 supported by the turntable 35 in a direction substantially perpendicular to the disk supporting surface of the turntable 35. Further, the disk moving means and the tray projecting means constitute a disk ejecting and conveying mechanism that sequentially selects arbitrary disks in the magazine 5 and conveys them onto the disk holding surface of the turntable 35. Further, the vertical chassis 15, the rack member 48, and the driving force applying mechanism are shared by the disk moving means and the tray projecting means, respectively.

It should be noted that, as is clear from the above description, the above-described pressing member moving mechanism (a mechanism that includes the support body 65 that rotatably supports the pressing member 66 and makes the pressing member detachable from the turntable 35) A driving force is applied by the movement of the rack member 48 after the disk 10 pulled out from the magazine body 8 reaches a position concentric with the disk supporting surface of the turntable 35, that is, directly below the disk supporting surface.

Further, as shown in FIG. 5, for example, the swing angle 6
A protrusion 62c is provided at the free end of the arm member 28, and the protrusion 62c is adapted to engage with the protrusion 28f of the arm member 28 after the disc 10 is clamped to the turntable 35.

As a result, the disk holding member 30 shown in FIG.
is detached from the disk 10. In addition, in this way, the parallelism maintaining means (described above) including the disk pressing member 30
is operated by being provided with a driving force by the rack member 48 and therefore by the disk ejecting and transporting mechanism.

As shown in FIG. 4, on the horizontal chassis 13,
A claw member 8 formed in a substantially dogleg shape is provided below the magazine 5.
1 is rotatably provided within a predetermined range via a bin 81a. This claw member 81 is a member for locking the entire magazine 5 with respect to the housing at the storage position by engaging with the engaging claw 8d on the lower surface of the magazine main body shown in FIG. Further, although not shown, a biasing means for biasing the claw member 81 in a direction to engage the engaging claw 8d is provided. The claw member 81 also releases its engagement with the engaging claw 8d when the front end of the select plate 19 that has moved further forward from the position shown in FIG. 5 comes into contact with the end 81b of the claw member. I am forced to do it.

These select plates 19, driving force applying means (described above) for applying driving force to the select plates, and claw members 81.
and a biasing means such as a spring that biases the claw member upwardly.
A locking mechanism for locking the magazine 5 in the storage position with respect to the housing 2 by the engaging claw 8d formed on the magazine body 8 and releasing the locked state in response to an operation signal (magazine eject signal) is provided. It is configured.

As also shown in FIG. 4, on the horizontal chassis 13 and at the rear left of the magazine 5, there is a detection switch 8 for detecting that the magazine is housed in the housing 2.
3 is fixed. This detection switch 83 includes an actuator 83a that is reciprocally movable within a predetermined range in the front-rear direction and engages with the magazine 5, and a spring member that is a means for imparting bias sky 4 to the actuator to apply a bias force in the direction C forward to the actuator. (I-Z shown in the figure). After the magazine 5 is released from the locked state by the locking mechanism, the magazine 5 is caused to protrude to the outside of the housing 2 by the piers of the spring portion H.

As shown in FIG. 5, two detection switches 85 and 86 are provided at both front and rear ends of the vertical chassis 15. A detection switch 85 disposed at the front can engage with the front end of the select plate 19 and is used to detect that the select plate has reached its forward movement limit position. Further, a detection switch 86 provided at the rear can engage with the rear end of the rack member 48, and is used to detect that the rack member 48 has reached the rearward movement limit position, that is, that disk loading has been completed. It is something.

As shown in FIGS. 6 and 10, the movement distance of the select plate 19 is detected near the select plate 19, and the hook member 44 (see FIG. 2, for example) is used to carry a desired disk. A photosensor 87 is disposed for stopping at the engagement position with the tray 11. On the other hand, an address plate 88 is provided on the right side of the select plate. Although not shown, a detection switch is provided for detecting that the carriage 36 (carrying the optical pickup means) shown in FIG. 8 has reached the movement limit position.

Note that the detection signals emitted from each of the detection switches 83, 85, 86 and the photosensor 87 described above are transmitted to a control section (not shown) disposed at a predetermined position within the housing 2. The motors 24 and 54 and the turntable 35 operate at predetermined timings to be described later by operation signals sent from the control section in response to each of these detection signals.

Next, the operation of the multi-disc playhair constructed as described above will be briefly explained along the playing procedure with reference to FIGS. 16 to 23.

First, when the operating button group 6 shown in FIG. 1 is operated to specify a disc to be played, a driving voltage is supplied to the motor 24, and the motor starts rotating. Therefore, the select plate 19 starts moving backward. If the disc to be played is, for example, the third disc from the top in the magazine 5, the select plate 19
As shown in FIG. 16, by the action of the photosensor 87 and the address plate 88 (see FIG. 10(a)), the step 19e of the select plate engages with the bin 28c of the arm member 28. be stopped. As the arm member 28 swings due to the movement of the select plate 19, as shown in FIG. It is lowered to the matching position.

Then, the motor 54 begins to rotate and the rack member 48 begins to move rearward. The first movement of the rack member 48 is about 5~
7 mm backward movement>, the holding portion 48e (see FIG. 12(a) and the peak) of the rack member 48 engages with the lower edge of the bin 44C (for example, shown in FIG. 6) of the hook member 44, and the hook The members are held by rack members 48.

Due to this initial movement, the rack member 48 reaches the position shown in FIG. 18 (field, mountain) from the position shown in FIG. 9(a).

As shown in FIGS. 18(a) and (b), after the above-mentioned initial movement of the rack member 48, the front edge of the fourth guide groove 18h formed in the hook member 48 engages with the rotatable member 57. together,
The rotatable, therefore hook plays 1 to 41 are hook members 4
Locked against 8. Therefore, as the hook member 48 moves rearward thereafter, the hook plate 41 is also moved rearward. As a result, the hook member 44 attached to the hook plate is driven backward, and the tray 11 carrying the performance zabegi disk 10 is projected from the magazine body 8.

The disk 10 supported on the tray along with the trays 11 protruding from the magazine body 8 is connected to the turntable 3.
Immediately below 5, when the disk reaches a position where it is concentric with the disk supporting surface of the turn chisel,
As shown in FIG. 19(a) and <1), the second guide groove 4Qb formed in the rail 40 and the hook member 48
The ends of the fourth guide groove 48h in the same direction coincide, and at the same time,
The rear end of the hook play 1 to /+1 comes into contact with the regulating protrusion 40 (1) provided on the rail 40, and the hook plate becomes locked with respect to the rail 40. Therefore, the hook member 44, and therefore the disc, It stops directly below the turntable 35. Immediately after this, the rack member 48 moves slightly backward, and the rotatable member 57 separates from the fourth guide groove 48h of the rack member 48, as shown in FIG. rail 40
into the second guide groove 4Ob. J: So, the locked state of the rack member 48 and hook plate 41 is released,
As shown in FIG. 20(a), the rack member 4
A backward movement of only 8 is made.

As only the rack member 48 moves backward as shown in FIG.
The recessed portion 48j engages with the pin 76b of the intermediate member 76 (for example, shown in FIG. 5), thereby driving the intermediate member rearward.

Therefore, as shown in FIG. 21, the swing member 64 (consisting of the swing angle 62 and the clamp angle 63) is rotated around the shaft 61 by the bin 76a provided at the front end of the intermediate member 76. The disk 10 is swung in the counterclockwise □ direction, whereby the tray 11 of the disk 10 is conveyed to the turntable 35 and is clamped.

Thereafter, as shown in FIG. 22, the swinging member 64 is further swung, and the protrusion 620 formed on the free end of the swinging angle 62, which is a component part of the swinging member, is caused to move on the arm member. The arm member is engaged with a protrusion 28f provided at the shaft 28, and the arm member is swung by a predetermined angle in the counterclockwise direction at J5 in the figure, about the shaft 26.

As a result, as shown in FIG. 23, the disk holding member 30 moves slightly upward, and the contact state between the disk 10 and the disk holding member is released. In this way, it becomes possible to play, and the turntable 35 and carriage 36 (
(see FIG. 21, etc.) operates and the performance begins.

When the performance is finished, the disc is stored in the magazine main body 8, but the disc storage operation is performed by performing the reverse process of the disc loading operation described above, so a detailed description thereof will not be given.

Thereafter, the above operation is repeated according to the specified number of songs.

As detailed above, in the multi-disc player according to the present invention, the disc (10
) includes a disk holding part +7 (30) that can come into contact with the surface facing the disk holding surface of the moving disk so that the opposing surface of the moving disk is parallel to the disk holding surface and in the disk radial direction. It is equipped with a parallelism maintaining means to prevent displacement. Therefore, even if some external force is applied to the disc player while the disc is moving, the disc will not tilt or shift in its radial direction, and the disc will move stably, preventing misclamping and the like. There is no.

Further, in the multi-disc play ψ according to the present invention, the parallelism maintaining means is configured to be powered by a drive noise by a disk ejecting and conveying mechanism. Therefore, there is no need for a special drive source for driving the parallelism maintaining means, and the number of parts is reduced, making it easier to downsize the player as a whole and reduce stress.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing the entire multi-disc player according to the present invention, FIGS. 2 and 3 are plan and bottom views of the magazine, and FIGS. 4 and 5 are views of the multi-disc player A7. 6 is a plan view and a side view of the internal structure, FIG.
5) is a partial detailed view of the internal structure, and FIGS. 16 to 23 are diagrams for explaining the operation of the multi-disc play V. Explanation of symbols of main parts 2...Housing 3...Front panel 3a, 41d, 41e ------Opening 5
...Magazine 6 ...Operation button group 7 ...Display section 8 ...Magazine body 8a ...Guiding vortex 8b ...・Flexible engagement claw 8d...Engagement claw 10...Disk 11...Tray 11a...Guide bin 1 lb, 28f, 62c -- -----Protrusion 11
d...Engaging portion 11e...(Single-shaped notch portion 13...Horizontal chassis 14.15...Vertical chassis 15a, 15c...・Protruding portion 16 ・・Mechanical chassis 16a, 16e, 41a ・Bracket portion 16c・
...Long groove 19...Rack portions 19c, 19d, 19e, 19f, 19(] for select plates 19a, 48a...
. 19h...Step part 20.50...Double gear 21.51...Pulley 22.52...Belt 23.53...Small Pulley 24.54...Motor 26.61...Shaft 28...Arm member 28a...First arm portion 281)...No. 2 arm parts 28c, 28d, 31a, 31b
, 32a , 32b , 33a , 33b ,
33c, 44a. 44C, 76a, 76b, 81a --- Bin 30 --- Disk holding member 30 a --- Horizontal groove 30 b --- Protrusion 31.32.33.68. ...Lever member 35.
...Turntable 36...Carriage 40...Rail 40a...First guide groove 40b...Second guide groove 40c, 40d... ...Regulation protrusion 40f...
...Cam hole 41...Hook plate 41b, 63b...Elongated hole 42...Sub bracket 42a...Screw 43...Guide shaft 44...Hook member 46...Positioning member 46a...Positioning groove 48...Rack member 48b...Claw portion 48d, 630... ...Protruding portion 48e...Holding portion 48o...Third guide groove 48h...Fourth guide groove 48j...Concave portion 48k... ...Claw-shaped engaging portion 56,57...Movable piece 62...Swing angle 62a...Cam portion 63...Clamp angle 63a... . . . Straight free end portion 64 . . . Swing member 65 . . . Plate support 66 . . . Pressing members 69', 71 . Bin 72.78... Coil spring 76...
...Intermediate member 81...Claw member 83.85.86...Detection switch 83a...
... Actuator 87 ... Photo sensor

Claims (1)

[Claims] A housing, a playing means provided in the housing including a turntable, a magazine capable of arranging and storing a plurality of discs in order in a direction substantially perpendicular to a disc carrying surface of the turntable, and any disc in the magazine. a disk ejecting and conveying mechanism that sequentially selects and conveys the disks onto the disk holding surface, and the magazine includes a plurality of disks each capable of supporting a disk on its main surface and protruding from the magazine body along each main surface and capable of being stored therein. The disc ejecting and transporting mechanism includes a tray projecting means for projecting a tray carrying a disc to be played from the magazine, and a tray projecting means for projecting a tray carrying a disc to be played from the magazine, and a tray projecting means for projecting the disc carried on the protruding tray substantially perpendicularly to the disc carrying surface. a pressing member, the disc moving means moving in a direction, the disc moving means abutting against a surface of the disc opposite to the turntable, and cooperating with the turntable to perform a disc clamping action; a pressing member moving mechanism for rotatably supporting the pressing member and attaching and detaching the pressing member to the turntable, the pressing member being in contact with a surface opposite to the disk supporting surface of the disk moved by the disk moving means; a parallelism maintaining means for keeping the opposing surface of the moving disk parallel to the disk supporting surface, and the parallelism maintaining means is provided with a driving force by the disk ejecting and conveying mechanism. A multi-disc player characterized by: