JPH0718050Y2 - Magazine lock release mechanism of automatic disk changer - Google Patents

Description

[Detailed Description of the Invention] [Outline] In a disc reproducing device with an automatic disc changing device, locking of a magazine for storing a plurality of discs to a holder is performed to pull out a magazine lever for pulling out a disc from the magazine. It is a magazine lock release mechanism of the automatic disk changer that is made to move in the direction.

[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 unlocking a magazine that stores a plurality of disks.

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 popularized, 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 to simplify the mechanism for unlocking the magazine for accommodating the disc to the 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. 6, at a position adjacent to the disc insertion hole 11 of the disc reproducing device 1, 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 provided with a lock lever 24 and a lock releasing lever 25 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 satellite gear 72 are provided at 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 continuous CD playing device configured as described above, when pulling out one desired disc 33 in the magazine 3, the holder 2 is raised and lowered by the above-described lifting device 7 and the pulling lever 4 is driven by a drive mechanism (not shown). Is moved to the reproducing device 1 side, the magazine lever 31 of the disc 33 to be pulled out is moved to pull out the disc 33. And
The disc 33 pulled out from the magazine 3 is pulled into the disc reproducing apparatus 1 by a transport mechanism (not shown).

The disc 33 that has been reproduced is returned to the original position of the magazine 3 by an ejection mechanism (not shown).

[Problems to be solved by the invention]

However, in the magazine lock release mechanism of the conventional automatic disk changer configured as described above, the magazine 3 inserted into the holder 2 and locked by the lock lever 24 of the lock mechanism 6 is used for replacement or removal. When unlocking the lock, the lock release lever 25 is driven by a dedicated motor, so it requires a lot of space, and the number of parts is also large, resulting in high cost and difficulty in downsizing. There is.

The object of the present invention is to solve the problems of the magazine lock release mechanism of the conventional automatic disk changer, and
When releasing the lock of the holder 3 locked by the above, this is done by using a conventional member without using a separately placed component, and space efficiency, reduction of the number of components, cost reduction and miniaturization are achieved. An object of the present invention is to provide an excellent magazine lock releasing mechanism for an automatic disk changing device.

[Means for solving problems]

The magazine lock release mechanism of the automatic disk changer of the present invention which achieves the above-mentioned object is provided with a magazine lever for pulling out a disk for each of a plurality of disk storage units, and a desired disk is loaded from a magazine having a lock groove at the bottom. A release mechanism of a mechanism that locks the magazine to the automatic disc exchange device in an automatic disc exchange device that automatically supplies or exchanges to a reproducing device, the surface facing the magazine lever of a holder that stores the magazine. A pull-out lever which is provided to be engageable with the magazine lever and is slidable on the side surface of the holder in the moving direction of the magazine lever by a drive mechanism, and one end of which is pivotally supported by the bottom of the holder and the other end of which is the holder. A lock that projects into the lock and engages the lock groove when the magazine is housed in the holder. A lock lever having a cup pin and a bottom portion of the holder that are slidably attached in the same direction as the pull-out lever, and are engaged with the pull-out lever only when the pull-out lever performs a specific operation other than its normal operation. And a lock release lever that slides and engages with the lock lever at the time of this slide to rotate the lock lever in the lock release direction. When the magazine is removed from the holder, it is pulled out by the drive mechanism. It is characterized in that the lever is caused to perform a specific operation of moving in a direction opposite to the disk withdrawing direction of the drawing lever beyond the normal operation range.

[Action]

According to the disc ejecting mechanism of the automatic disc changing device of the present invention, the lock release lever for releasing the lock lever for locking the magazine in the holder is connected to the pull-out lever provided for moving the magazine lever of the magazine. , Move the pull-out lever in the direction opposite to the disc pull-out operation so that the lock release lever moves. As a result, the lock release lever does not move during the disc pull-out operation of the pull-out lever, and the lock to the holder of the magazine is released by moving the lock release lever in the direction opposite to the disc pull-out direction outside the normal disc pull-out operation area.

〔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 disk pull-out mechanism of the automatic disk changing apparatus of the present invention, and show the details of the automatic changing apparatus 10 in FIG. And the first
The drawing shows a state before the magazine 3 is loaded in the holder 2, FIG. 2 shows the state in which the holder 2 is loaded in the magazine 3, and FIG. 3 is a view on arrow A in FIG.

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.

The lock groove 32 is formed of a taper portion 321 that smoothly moves a lock pin, which will be described later, and a lock portion 322 that locks the lock pin so as not to come off.

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, the slide plate 22 is biased toward the insertion hole 200 of the magazine 3 by a spring 224 that is stretched between the slide plate 22 and the bottom surface 20. 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, the guide hole 232 is engaged with the pin 204 protruding from the bottom surface 20. 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 rocking plate 23 to rotate around the pin 225 when the loading of the magazine 3 into the holder 2 is completed, and has a shape like numeral 7 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 233 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.
It projects inside. 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.
242 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 leftward movement position of the lock release lever 25. Further, the engagement protrusion 254 is adapted to protrude outward from the side surface of the holder 2.

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 and reaches the engaging protrusion 313 of the magazine lever 31 with the magazine 3 loaded in the holder 2. Further, the moving plate 42 is provided with two elongated holes 45, 46 which engage with the two pins 26, 27 projectingly provided on the side surface of the holder 2, and the extraction lever 4 is provided with the elongated holes 45, 46. The holder 2 can be moved parallel to the side surface of the holder 2. 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.

The second pawl 44 does not project into the holder 2, but when the pull-out lever 4 moves in the direction opposite to the disc pull-out direction, the engagement protrusion 254 provided on the lock release lever 25 is provided.
Is provided at a position to engage with.

Next, the operation of the magazine lock releasing mechanism of the automatic disk changing device of the present invention constructed as above will be described.

FIG. 1 shows a state before the magazine 3 is loaded into the holder 2. When the magazine 3 is inserted into the holder 2 from this state, before the magazine 3 contacts the end plate 223 of the slide plate 22, the magazine lever 31 of the holder 2 is in the initial stage of its movable section M as shown in FIG. It is assumed that the positions are not aligned (the left end L position of the movable section). 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 hole 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 to the initial moving position L in FIG. Rotate around.

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. When the magazine 3 further enters the holder 2, the lock pin 242 projecting from the lock lever 24 comes into contact with the taper portion 321 of the lock groove 32 and is guided and moved to the inclined surface thereof. The movement of the lock pin 242 causes the lock lever 24 to rotate against the spring 244.

After that, the lock pin 242 advances to the lock portion 322 as the magazine 3 enters and is locked by the lock portion 322. This state is the state shown in FIG. 2 in which the magazine 3 is locked by the lock lever attached to the holder 2 and is completely loaded in the holder 2. In this state, the magazine lever 31 is aligned with the initial position L of the movable range M thereof by the columnar plate 233 as shown in FIG. 4 (b).

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.

The columnar plate 233 is pushed by the engagement protrusion 313 of the magazine lever 31 while the disc is being drawn out, 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 it is urged in the direction away from the slide plate 22 by 4 (see FIG. 1), the swing 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 above operation, the pull-out lever 4 moves from the position shown in FIG. 2 to the left and returns to the position shown in FIG. 2 only repeatedly, and the pull-out lever 4 and the lock release lever 25 are not engaged at all. .

When the magazine 3 loaded in the holder 2 is unlocked and the magazine 3 is taken out, the motor 50 is rotated in the direction opposite to the disc pull-out direction, and the pull-out lever 4 is moved rightward from the state shown in FIG. . As shown in FIG. 5, when the pullout lever 4 moves from the state of FIG. 2 (shown by the dotted line) to the right side, the second projection 44 of the pullout lever 4 engages with the engagement projection 254, and the lock release lever is released. 25 is moved to the right. At this time, the magazine lever 31 and the swing plate 23 are not affected at all.

When the lock release lever 25 moves to the right, another engagement protrusion 253 moves the engagement protrusion 243 of the lock lever 24,
The lock lever 24 rotates in the direction of arrow H. Lock lever
This rotation of 24 disengages the lock pin 242 projecting from the lock lever 24 and the lock portion 322 of the lock groove 32 of the holder 2.

In the magazine unlocking mechanism of the automatic disk changer of the present invention, when the lock of the magazine 3 with respect to the holder 2 is unlocked as described above, it is only necessary to move the pull-out lever 4 for pulling out the disk in the direction opposite to the disk pull-out direction. .

[Effect of device]

As described above, in the magazine unlocking mechanism of the automatic disk changing device of the present invention, when the magazine 3 loaded in the holder 2 is unlocked, the pull-out lever 4 for pulling out the disk is used. Since there is no need for other members for use, space can be created, and the number of parts can be reduced, the cost can be reduced, and the size of the device can be reduced.

[Brief description of drawings]

FIG. 1 is a plan view showing the structure of a magazine lock releasing mechanism of the automatic disk changing device of the present invention before loading the magazine in the holder, and FIG. 2 is a view showing the structure of the lock releasing mechanism of the present invention, the magazine holder FIG. 3 is a plan view of the oscillating plate after it has been loaded into FIG. 3, FIG. 3 is a view from the direction of arrow A in FIG. 2, and FIGS. 4 (a) and 4 (b) are explanatory views showing the operation of the oscillating plate. FIG. 6 is an explanatory perspective view showing the operation, FIG. 6 is a perspective view showing the configuration of a disc reproducing device with an automatic disc changing device, and FIG. 7 is an assembled perspective view showing an example of the holder elevating device of FIG. 1 ... Disk reproducing device, 2 ... Holder, 3 ... Magazine, 5
… Ejection mechanism, 10… Automatic disk changer, 11… Insert hole,
21 ... bottom of holder, 23 ... swing plate, 24 ... lock lever, 25
... lock release lever, 31 ... magazine lever, 32 ... lock groove, 33 ... disk, 41 ... moving plate, 42 ... engaging projections, 43,44
… Claws, 204… Pins protruding from the holder, 208… Openings, 223
… End plates, 225… Pins protruding from the slide plates, 231,232…
Guide hole, 233 ... Column plate, 242 ... Lock pin, 243,253,25
4 ... Engaging protrusion, 313 ... Engaging protrusion.

Claims (1)

[Scope of utility model registration request] A desired disc (33) is reproduced from a magazine (3) having a magazine lever (31) for pulling out a disc for each of a plurality of disc storage parts and having a lock groove (32) at the bottom. A release mechanism of a mechanism for locking the magazine (3) in the automatic disk replacement device (10) in an automatic disk replacement device (10) for automatically supplying or replacing the device (1), The surface of the holder (2) accommodating 3) that faces the magazine lever (31) is provided so as to be engageable with the magazine lever (31), and the drive mechanism (50 to 53) is provided on the side surface of the holder (2). A pull-out lever (4) slidable in the moving direction of the magazine lever (31), one end of which is pivotally supported by the bottom of the holder (2) and the other end of which projects into the holder (2). (3) is this A lock lever (2) having a lock pin (242) that engages with the lock groove (32) when housed in the holder (2).
4) and the holder (2) is slidably attached to the bottom of the holder (2) in the same direction as the pull-out lever (4), and only when the pull-out lever (4) performs a specific operation other than its normal operation. And a lock release lever (25) which engages with the lever (4) and slides, and at the time of this slide, engages with the lock lever (24) and can rotate the lock lever (24) in the lock release direction, When the magazine (3) is removed from the holder (2), the drive mechanism (50 to 53) causes the pull-out lever (4) to move in a direction opposite to the normal operation range of the pull-out lever (4) to pull out the disc. A magazine lock releasing mechanism of an automatic disk changing device, which is characterized by moving to a specific operation.