JPH073489Y2 - Alignment mechanism of the disk pull-out lever of the automatic disk changer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Outline] In a disc reproducing device with an automatic disc changing device, a magazine lever for projecting a disc that protrudes to the side of the magazine is loaded when a magazine storing a plurality of discs is loaded into a holder of the automatic changing device. A position aligning mechanism is configured such that a column protruding from a swing plate provided at the bottom of the holder aligns the column when the magazine is loaded.

[Industrial application field]

The present invention is a disk reproducing device with an automatic disk changing device,
The present invention relates to a mechanism for aligning a position of a lever for pulling out a disc when loading a magazine.

2. Description of the Related Art In recent years, a disc reproducing device such as a compact disc (hereinafter referred to as a CD) has been remarkably spread, and accordingly, a device capable of continuously playing many discs has been put into practical use. Such a disc reproducing apparatus capable of continuous performance is provided with an automatic disc exchanging device for supplying a disc in a magazine accommodating a plurality of discs to the reproducing device or exchanging the disc in the reproducing device. In such an automatic disc changing device, it is desired that the magazine lever for pulling out the magazine be surely aligned at a fixed position when the magazine is loaded in the automatic changing device.

[Conventional technology]

Conventionally, in a disc reproducing apparatus with a disc automatic exchange device capable of continuously playing a number of discs, for example, in a continuous CD reproducing device, as shown in FIG. An automatic disk changer 10 having a holder 2 that can be raised and lowered is provided. And
After loading the magazine 3 accommodating a plurality of discs 33 into the holder 2, the holder 2 is raised and lowered by the elevating device 7 of the automatic exchange device 10 to supply the desired disc to the reproducing device 1 or the disc in the reproducing device. I am exchanging.

In FIG. 6, 31 is a magazine lever for pulling out a CD attached to the magazine 3, 4 is a pull-out lever for moving the magazine lever 31 provided in the holder 2 to the disc reproducing apparatus 1 side, and 5 is from the disc reproducing apparatus 1. A disc ejecting mechanism for ejecting the disc into the magazine 3, and a lock mechanism 6 for locking the magazine 3 in the holder 2.

As the lifting device 7 for the holder 2, for example, as shown in FIG. 7, a plurality of screws 73 that rotate in the same direction by the sun gear 71 and the sanitary gear 72 are provided on the bottom, and the screw 73 is mounted on the holder 73. The brackets 21 provided in 2 may be screwed together. Then, the sun gear 71 is connected to the motor 76 via the reduction gears 74 and 75, and when the motor 76 is rotated, the screw 73 rotates and the holder 2 moves up and down.

In the CD continuous playing device configured as described above, when the disc 33 in the magazine 3 is pulled out to the disc reproducing device 1, the pull-out lever provided on the side surface of the holder 2 is moved to the disc reproducing device 1 side. The desired one of the disks 33 in the magazine 3 is pulled out to the disk reproducing apparatus 1 side.

The construction and operation of the pull-out lever 4 and the magazine lever 31 will be described with reference to FIG.

FIG. 8A shows the structures of the magazine lever 31 and the conventional pull-out lever 4. A plurality of discs 33 are stored in the magazine 3, and a magazine lever 31 is provided for each disc 33. The magazine lever 31 comes into contact with the peripheral edge of the disk 33 and has a pull-out piece 311 having an arcuate recess for pushing the same, and a guide 312 for moving the pull-out piece 311 in parallel along the side surface of the magazine 3.
The magazine lever 31 is composed of an engaging projection 313 projecting from the guide 312 so as to be exposed to the outside of the magazine 3. The pull-out lever 4 is composed of a moving plate 41 and a pull-out protrusion 42 projecting from the moveable plate 41.
The free end of is formed in a substantially U shape. The pull-out protrusion 42 is formed to a thickness such that it does not engage the two magazine levers 31 at the same time, and the free end of the engaging protrusion 313 of the magazine lever 31 is inserted into the U-shaped free end. . The drive mechanism for the moving plate 41 is not shown in FIG.

When pulling out one desired disc 33 in the magazine 3, the holder 2 is moved up and down by the elevating device 7 described above, and the engaging projection 31 of the magazine lever 31 of the disc 33 to be pulled out.
3 is located in the U-shaped free end of the pull-out protrusion 42. Then, in this state, if the moving plate 41 is moved to the disc reproducing apparatus 1 side by a driving mechanism (not shown), the disc is moved by the magazine lever 31 as shown in FIG. 8 (b).
33 is pulled out, and the disc 33 is pulled into the disc reproducing apparatus 1 by a transport mechanism (not shown).

As described above, after the desired disc 33 is pulled into the disc reproducing apparatus 1, the magazine lever 31 is returned to the original position before the disc 33 was pulled out by the pull-out lever 4. This state is shown in FIG. 8 (c). In addition,
The disc 33 which has been reproduced is returned to the original position of the magazine 3 by an ejection mechanism (not shown).

However, in the disk pull-out mechanism that operates as described above, when loading the magazine 3 into the holder 2, the magazine lever 31 of the magazine 3 needs to be aligned at the initial position shown in FIG. 8 (a). Therefore, conventionally, when the magazine lever 31 is previously aligned by hand before loading the magazine 3 into the holder 2, or when the mechanism shown in FIG. 9 is provided in the holder 2 and the magazine 3 is loaded into the holder 2. The magazine lever 31 was always set to the initial position.

The conventional mechanism for aligning the magazine lever 31 shown in FIG. 9 (a) moves simultaneously with the insertion of the magazine 3 into the bottom surface 20 of the holder 2, and a slide having an end plate 61, a pin 62 and a protrusion 63 protruding from the tip thereof. It comprises a plate 60, a reset plate 70 having a column 71 for aligning the magazine lever 31 to the initial position, a guide hole 72 and a lock claw 73, and a lock lever 80 of the reset plate 70. The guide hole 72 has a substantially triangular shape,
The pin 62 of the slide plate 60 is located in this guide hole 72. The reset plate 70 is biased by the suction spring 74. When the magazine 3 is not inserted into the holder 2, the claw 73 of the reset plate 70 is locked by the lock lever 80 biased toward the reset plate side.

In the mechanism thus configured, the holder 2 of the magazine 3
When the slide plate 60 moves to the reset plate 70 side by inserting into the lock lever 80, the protrusion 63 contacts the lock lever 80 and the lock lever 80
Disengage the lock claw 73 of 80. Then, FIG. 9 (b)
As shown in, the reset plate 70 is attracted by the spring 74 and moves to the right in the figure, and at the time of this movement, the column 71 aligns the magazine lever 31 to the initial position.

When the magazine 3 is pulled out from the holder 2,
Since the pin 62 of the slide plate 60 that moves together with the magazine 3 moves upward in the figure while sliding on the slope of the guide hole 72 of the reset plate 70, the reset plate 70 moves to the left side in the figure and its claw 73 moves. Lock lever 80 biased to the reset board side
Locked by.

[Problems to be solved by the invention]

However, the magazine lever alignment mechanism of the conventional automatic disk changing device configured as described above requires the spring 74 to have a force to move all the magazine levers 31,
It is necessary to use a spring 74 having a strong biasing force, and as a result, the load of the disk pull-out mechanism and the magazine ejection mechanism is increased. Further, in the conventional mechanism, when the lock of the lock lever 80 and the reset plate 70 is released by the movement of the slide plate 60, the reset plate 70 is rapidly moved by the force of the spring 74 having a strong biasing force and abuts the magazine lever 31. Therefore, shock is applied to the magazine lever 31, shock noise and magazine lever
There is a problem that 31 damages occur.

The purpose of the present invention is to solve the problems of the conventional mechanism for aligning the magazine lever of the automatic disk changing device, and to utilize the pushing force when inserting the magazine into the holder.
The swing plate attached to the moving plate that moves with the insertion of the magazine aligns the magazine lever to the initial position so that no load is applied to other mechanisms and the impact when aligning the magazine lever to the initial position It is an object of the present invention to provide an excellent mechanism for aligning the disc pull-out lever of an automatic disc changing device, which is capable of preventing the magazine lever from being damaged by an impact without causing any damage.

[Means for solving problems]

In order to achieve the above-mentioned object, the mechanism for aligning the disk pull-out lever of the automatic disk changer of the present invention stores a magazine in which a disk pull-out lever is provided for each of a plurality of disk storage units in a holder and A mechanism for aligning a lever for disc withdrawal in an automatic disc exchanging device for supplying or exchanging a desired disc to a reproducing device, which is slidable in the insertion direction of the magazine on the bottom of a holder for accommodating the magazine. A moving plate that is normally biased toward the insertion hole and has an end plate that is bent toward the inside of the holder at the end opposite to the insertion hole, and one end of the moving plate that is on the insertion hole side. Is pivotally supported, and the other end extends beyond the end plate, and the other end of the disk pull-out lever is located at a position outside the position corresponding to the final pull-out position. A column extending to the vicinity of the ceiling plate of the rudder is provided in a protruding manner, and a swinging plate having a guide hole extending obliquely in a direction away from the moving plate from the shaft support side to the column side is provided in a protruding manner at the bottom of the holder, It consists of pins that are inserted into the pillar-side ends of the guide holes provided in the swing plate when the magazine is not housed.The moving plate is the end plate when the magazine is inserted into the holder from the insertion hole. After the magazine comes into contact with the magazine, the rocking plate moves along with the magazine in the insertion direction, and moves with the moving plate. The feature is that the lever is rotated in the direction of moving it to the initial position side.

[Action]

According to the mechanism for aligning the lever for disc withdrawal of the automatic disc changer of the present invention, when the magazine is inserted into the holder and the slide plate moves together with the magazine, the pin pivotally supported by the slide plate and protruding from the holder is provided. The rocking plate engaging with the guide hole rotates in the direction away from the slide plate according to the shape of the guide hole. As a result, the columns protruding from the oscillating plate move as the oscillating plate rotates, returning the magazine lever to the initial position, and all magazine levers are moved by the column when the magazine is completely loaded in the holder. Aligned to the initial position.

〔Example〕

An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, and the same components as those in the related art will be described with the same reference numerals as those in the related art.

1 to 3 show a schematic structure of a position adjusting mechanism of a disk pulling lever of an automatic disk changing device of the present invention, and show details of the automatic changing device 10 of FIG. 1 is a state before the magazine 3 is loaded in the holder 2, FIG. 2 is a state in which the holder 2 is loaded in the magazine 3, and FIG. 3 is a view on arrow A in FIG. Is.

As shown in FIGS. 1 and 6, a plurality of discs 33 are accommodated in the magazine 3, and a disc lever magazine 31 is provided for each disc 33. . The magazine lever 31 comes into contact with the peripheral edge of the disc 33 and pushes out the magazine 33.
And a guide 312 for moving the pull-out piece 311 in parallel along the side surface of the magazine 3 and an engaging projection 313 projecting from the guide 312 so as to be exposed to the outside of the magazine 3. Further, the bottom surface 30 of the magazine 3 is provided with a hook-shaped lock groove 32 for locking the magazine 3 to the holder 2 when the loading of the magazine 3 into the holder 2 is completed.

A lock mechanism 6 including a slide plate 22, a swing plate 23 pivotally supported by the slide plate 22, a lock lever 24 and a lock release lever 25 is provided on the back surface of the bottom surface 20 of the holder 2 at the position shown in FIG. There is.

The slide plate 22 has two pins 201 protruding from the bottom surface 20,
Slotted holes 221 and 222 respectively engaged with 202 and pin 203,
An end plate 223 protruding from the opening 206 formed in the bottom surface 20 into the holder 2 is provided. Further, a spring 224 spanned between the slide plate 22 and the bottom surface 20 urges the magazine 3 toward the insertion hole 200. When the magazine 3 is inserted into the holder 2 through the insertion hole 200 and the end of the magazine 3 contacts the end plate 223, the slide plate 22 moves in the insertion direction of the magazine 3.

The rocking plate 23 pivotally supported by the pin 225 on the slide plate 22 has two guide holes 231 and 232. The guide hole 231 has an arc shape centered on the pin 225 and engages with a pin 226 protruding from the slide plate 22. On the other hand, a pin 204 protruding from the bottom surface 20 is engaged with the guide hole 232. When the slide plate 22 moves inward of the holder 2 due to the insertion of the magazine 3, the guide plate 232 causes the swing plate 23 to move by the pin 226.
A slanted part that is designed to rotate away from
2321 and a play portion 2322 for allowing the oscillating plate 23 to rotate around the pin 225 when the loading of the magazine 3 into the holder 2 is completed. ing. On the free end side of the rocking plate 23, the columnar plate 2 protruding into the holder 2 from an opening 207 formed in the bottom surface 20.
33 are provided. As shown in FIG. 6, the columnar plate 233 extends to the vicinity of the ceiling plate of the holder 2 and reaches all the magazine levers 31 provided in the magazine 3 inserted into the holder 2. The columnar plate 233 is inserted into the insertion hole 200 with respect to the end plate 223 protruding from the slide plate 22.
It is located a little far from. Furthermore, the swing plate 23 is biased in a direction away from the slide plate 22 by a coil spring 234 that is stretched between the swing plate 23 and the slide plate 22.
Before the movement of, the columnar plate 233 is located outside the final movement position of the magazine lever 31.

The lock lever 24 is attached to the back surface of the holder 2 while being pivotally supported by a pin 205 protruding from the bottom surface 20, and within a range regulated by a guide pin 209 protruding from the bottom surface 20 and a guide groove 241. Swing about the pin 205. Lock lever 24
The lock pin 242 and the engagement protrusion 243 are provided on the free end side of the holder 2.
The engagement protrusion 243 is adapted to engage with a lock release lever 25 described later. Further, the lock lever 24 is biased by a suction spring 244 that is stretched between the lock lever 24 and the bottom surface 20. The lock lever 24 is provided on the back side of the holder 2, and when the magazine 3 is completely loaded in the holder 2, the lock pin is fitted into the lock groove 32 of the magazine 3.
202 is engaged to lock the magazine 3 in the holder 2.

The lock release lever 25 is provided at the corner of the holder 2,
Pins 210, 211 and lock release lever 25 provided on the bottom surface 20
The long holes 251 and 252 provided in the holder 2 allow the holder 2 to move parallel to the side surface of the holder 2. The lock release lever 25 is provided with engagement protrusions 253 and 254 on both sides in the moving direction described above.
The engagement protrusion 253 is adapted to engage with the engagement protrusion 243 of the lock lever 24 at the final transfer position of the lock release lever 25 to the left, and the engagement protrusion 254 is moved outward from the side surface of the holder 2. It is designed to project.

A pull-out lever 4 is provided outside the surface of the holder 2 facing the magazine insertion hole 200. The pull-out lever 4 has a second
As shown in FIGS. 3 and 4, a first claw 43 and a second claw 44 bent toward the holder 2 are provided on both sides of the moving plate 42. The first claw 43 projects into the holder 2,
The magazine 3 reaches the engaging protrusion 313 of the magazine lever 31 with the holder 2 loaded. In addition, the moving plate 42 has two pins 2 protruding from the side surface of the holder 2.
There are two long holes 45 and 46 that engage with 6,27, and the extraction lever 4 can be moved parallel to the side surface of the holder 2 by being guided by the long holes 45 and 46. There is.
Further, a rack 47 is attached to the upper part of the moving plate 42, and the rack 47 is connected to a motor 50 installed on the side surface of the holder 2 via reduction gears 51, 52, 53.

Next, the operation of the position adjusting mechanism of the disk pull-out lever of the disk automatic changing device of the present invention constructed as described above will be described.

When the magazine 3 is inserted into the holder 2 of the automatic disk changing device 10 and is inserted into the magazine 3, the magazine 3
4 contacts the end plate 223 of the slide plate 22, the magazine lever 31 of the holder 2 is in the state of FIG. 4, and the magazine lever 31 is in the initial position of the movable section M (the left end L position of the movable section). Think about the times when you don't have all of them. At this time, the columnar plate 233 provided on the swing plate 23 is positioned outside the final movement position R of the movable section M of the magazine lever 31, as described above.

The magazine 3 continues to enter, and the end of the magazine 3 is an end plate 223.
When the slide plate 22 comes into contact with the slide plate 22, the slide plate 22 starts moving in the insertion direction of the magazine 3, and at the same time, the swing plate pivotally supported by the slide plate 22.
23 also starts moving. At this time, the magazine 3 is a slide plate
The end plate 223 of 22 abuts, but does not contact the columnar plate 233 of the rocking plate 23.

When the magazine 3 comes into contact with the end plate 223 of the slide plate 22, the slide plate 22 is guided by the elongated holes 221 and 222 and moves in the same direction as the insertion direction of the magazine 3, and the swing plate 23 also moves in the same direction. At this time, the oscillating plate 23 is guided by the guide holes 232 to move away from the slide plate 22, that is, in the direction from the final moving position R of the magazine lever 31 in FIG. Rotate.

Due to the rotation of the columnar body 233 of the oscillating plate 23 as the magazine 3 enters the holder 2, the magazine lever 31 will move to any position within the movable range of the magazine lever 31 of the magazine 3 before insertion. The columnar plate 233 pushes the movable plate 3 toward the initial position of the movable range M as the holder 3 moves into the holder 2. Then, in a state where the magazine 3 is locked by the lock lever attached to the holder 2 and is completely loaded in the holder 2, the magazine lever 31 is moved within its movable range M by the columnar plate 233 as shown in FIG. It is aligned with the initial position L.

This state is the state shown in FIG. 2 in which the lock groove 32 of the magazine 3 is locked by the lock pin 242 of the lock lever 24 of the holder 2. In this state, all the engaging protrusions 313 of the magazine lever 31 of the magazine 3 are aligned in a line in the vertical direction in a state of being biased by the columnar plate 233 projecting from the end of the swing plate 23, and the engaging The first claw 43 of the extraction lever 4 is located at a position slightly apart from the protrusion 313.

In this state, the holder 2 moves up and down according to the disc 33 to be reproduced, and when the disc 33 to be pulled out comes to the pulling-out position, the motor 50 rotates, and the pull-out lever 4 passes through the reduction gears 51, 52, 53 and the rack 47. Moves in the pull-out direction of the disc 33, and one desired disc 33 is pulled out. When the disc is pulled out, the first claw 43 of the pullout lever 4 pushes and moves the engaging protrusion 313 of the magazine lever 31. When the magazine lever 31 moves to the final movement position R, the disc 33 is drawn into the disc reproducing apparatus 1 by the not-shown transport mechanism and is reproduced.

While the disk is being pulled out, the columnar plate 233 pushes the engagement protrusion 313 of the magazine lever 31, and the swing plate 23 rotates about the pin 225.

After that, the motor 50 rotates in the reverse direction and only the pull-out lever 4 is returned to the original position.
Since the urging plate 23 is urged in a direction away from the slide plate 22 by 4, the oscillating plate 23 returns to the original position while pushing back the magazine lever 31.

When the reproduction of the disc 33 is completed and the disc 33 is returned to the magazine 3 by the ejecting mechanism (not shown), the holder 2 moves up and down to pull out the next disc 33, and the above-described operation is repeated.

In the disk pull-out mechanism of the automatic disk changer of the present invention, when the magazine 3 is loaded into the holder 2 as described above, the magazine 3 is placed in the holder 2 no matter where the magazine lever 31 is within its movable range. When completely loaded, the columnar plate 233 of the rocking plate 23 is aligned with the initial position, so that even if the holder 2 moves up and down to select the disc 33 to be reproduced, the pull-out lever 4 and the magazine lever 31 slide. Move,
The magazine 3 will not be damaged due to a collision.

[Effect of device]

As described above, in the position adjusting mechanism of the disk pull-out lever of the automatic disk changing device of the present invention, the magazine lever 31 of the magazine 3 is aligned to the initial position when the magazine 3 is loaded in the holder 2, so that the reproduction is performed. Even if the holder is moved up and down to select the disc to be used, there is no collision between the pull-out lever and the magazine lever, and it is possible to prevent damage to the magazine lever.

In addition, the mechanism of the present invention does not require a complicated mechanism for returning the disc pulling-out lever 31 to the initial position by using a drive mechanism such as a motor after mounting the magazine 3 in the holder 2, and thus the cost is low. is there. Furthermore, in the mechanism of the present invention,
Since the disk pull-out lever 31 is aligned at the initial position when the magazine 3 is mounted in the holder 2, there is an effect that the disk selection operation can be started immediately after mounting the magazine 3.

[Brief description of drawings]

FIG. 1 is a plan view showing a structure of a disk pull-out mechanism of an automatic disk changing device of the present invention before loading a magazine in a holder, and FIG. 2 is a view showing a structure of a pull-out mechanism of the present invention in which a magazine is loaded in a holder. FIG. 3 is an explanatory view showing the operation of the device of the present invention, and FIG. 4 is an IV-IV of FIG. FIG. 5 is a view of the magazine as viewed from the line, FIG. 5 is a view of the magazine as viewed from the line VV of FIG. 2, FIG. 6 is a perspective view showing the structure of a disk reproducing device with an automatic disk changing device, and FIG. FIG. 8 is an assembled perspective view showing an example of the holder lifting device shown in FIG. 6, FIGS.
(C) is explanatory drawing which shows the structure and operation | movement of the conventional drawer mechanism,
9 (a) and 9 (b) are explanatory views showing the structure and operation of the position adjusting mechanism of the disk pull-out lever of the conventional automatic disk changing device. 1 ... Disc playback device, 2 ... Holder, 3 ... Magazine, 5 ... Ejection mechanism, 10 ... Automatic disc exchange device, 11
…… Insertion hole, 21 …… bottom of holder, 23 …… swing plate, 24 ……
… Lock lever, 25 …… Unlock lever, 31 …… Magazine lever, 32 …… Lock groove, 33 …… Disk, 41 ……
Moving plate, 42 ... Engaging protrusion, 43,44 ... Claw, 204 ... Pin protruding from holder, 223 ... End plate, 225 ... Pin protruding from sliding plate, 231, 232 ... Guide Hole, 233 …… Column plate, 313 …… Engagement protrusion.

Claims (1)

[Scope of utility model registration request] 1. A magazine (3) having a disk pull-out lever (31) provided for each of a plurality of disk storage units is housed in a holder (2), and a desired disk (33) is stored in the housed magazine (3). A mechanism for aligning a lever (31) for pulling out a disc in an automatic disc exchanging device for supplying or exchanging a disc to a reproducing device (1), the magazine (3) being placed at the bottom of a holder (2). 3) slidably in the insertion direction, and is normally biased toward the insertion hole (200) side, at the end opposite to the insertion hole (200), inside the holder (2). A moving plate (22) having a bent end plate (223), one end of which is swingably supported on the insertion hole (200) side of the moving plate (22) and the other end of which is the end plate (223). The extended final position of the disk pull-out lever (31) at the other end The outer position than the corresponding position, the pillars extending to the vicinity ceiling plate of the holder (2) (233) is projected,
Moving plate (22) from the shaft support side toward the pillar (233) side
A rocking plate (23) having a guide hole (232) extending obliquely in a direction away from the rocking plate and a rocking plate (23) protruding from the bottom of the holder (2) and containing no magazine (3). ) Is inserted into the end of the guide hole (232) on the side of the column (233).
4) and the moving plate (22), after the magazine (3) is inserted into the holder (2) through the insertion hole (200) and the magazine (3) contacts the end plate (223). The swing plate (23) that moves in the insertion direction together with the magazine (3) and moves with the moving plate (22) swings when the diagonal edge of the guide hole (232) is pushed by the pin (204). Then
A mechanism for aligning a lever for disc withdrawal of an automatic disc exchanging device, wherein a column (233) is rotated in a direction of moving the lever (31) for withdrawing the disc to an initial position side.