JPH05258445A - Disk player - Google Patents

Abstract

PURPOSE:To provide the disk player with a magazine eject device which can be made thin. CONSTITUTION:A long hole 11a is formed on the front of a side panel 11, and a long hole 11b on the rear section. A ladder-shaped cam groove 7a with seven horizontal sections is formed on the front of a slide plate 7, and a cam 7b with the horizontal section at the lowest step extended backward on the rear section. Pins 9a and 9b are inserted into the corresponding cam groove or into the long hole. At the left side of a chassis 1, a side panel 10, slide plate 6, and a side plate 8 are constructed symmetrically with the right side. The cam grooves on the front and back of the slide plate 6 are formed to mirror image for the cam groove on the front and back of the slide plate 7. A disk player section 22 is tilted so that a side of a disk ejecting means 16 comes to downward when a magazine 18 is loaded or unloaded, and a control section 16a is moved downward the groove 21.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc playing device provided with a magazine ejecting device for ejecting the magazine which uses a magazine for accommodating a plurality of discs. In particular, the disc playing device can be made thin. The present invention relates to one provided with the magazine eject device.

[0002]

2. Description of the Related Art Conventionally, a disc playing device using a magazine has been known as a device for playing a plurality of discs without a disc exchange operation. Here, FIG. 4 is a plan view showing the internal structure of a disk playing device equipped with a conventional magazine eject device, and FIGS. 5 and 6 are the left sides showing the internal structure of a disk playing device equipped with a conventional magazine eject device. It is a side view. In the following description, the right side of each side view is the front side or the front side.

As shown in FIG. 5, a magazine 18 used in these disc playing apparatuses is a stack of a plurality of disc storage portions 2 each storing one disc 19, and one side surface of the magazine 18. A disc take-out port 28 for taking out the disc 19 from each disc housing portion 2 is formed in the. A disc pushing-out means 17 for taking out the disc 19 from the disc housing part 2 through the disc taking-out port 28 is arranged in each disc housing part 2.

The disc pushing-out means 17 is a lever provided in a corner portion inside each disc housing portion 2 on the side opposite to the disc take-out port 28, and is rotatable about a substantially central rotation shaft 17a. It is installed. In order to allow the disc pushing means 17 to be operated from the outside of the magazine 18, a groove 21 is formed vertically on the side surface of the magazine 18 orthogonal to the disc take-out port 28 from the upper surface to the lower surface of the magazine. One end of the disc pushing means 17 is exposed. The disc push-out means 17 rotates when the exposed one end is operated and pressed, and the other end pushes out the disc 19 from the disc take-out port 28.

A magazine mounting opening 23 for mounting the magazine 18 is formed on one side surface of the disc playing device using the magazine 18, and the magazine mounting opening 2 is provided inside.
A disc playing portion 22 for playing the disc 19 is provided so as to face the disc 3. The disc playing portion 22 is attached so as to be vertically movable so that it can be moved to a position corresponding to each stage of each disc housing portion 2. When taking out the disc at each stage, the disc playing section 22
A disc ejecting means 16 for operating the disc pushing means 17 and a driving means (not shown) are attached.

The disc take-out means 16 is formed from the disc playing portion 22 to the groove 21, and an operating portion 16a for contacting the disc pushing-out means 17 is provided at the tip thereof. And this operation unit 16a
Is located behind the disc pushing means 17 of the disc housing portion 2 corresponding to the position of the disc playing portion 22 in the groove 21 except when the magazine 18 is attached or detached.

When the disc playing section 22 is moved to the required stage of the disc housing section 2, the disc take-out means 16 and the operating section 16a move up and down in the groove 21 together with the disc playing section 22, and the disc pushing means 17 at that stage. Since they move to the rear of the disk, the disk playing device can take out the disk 19 from a desired stage in the magazine 18 and play it.

Further, these disc playing devices are equipped with a magazine ejecting device in order to eject the magazine 18 from the magazine mounting opening 23. This magazine eject device is an eject plate 24 that moves to the outside of the magazine mounting opening 23 with the magazine 18 still mounted.
Ejecting means such as.

Then, from the disc playing device to the magazine 1
Depending on the position of the magazine loading port 23 on the disc playing device, the direction of ejecting 8 is orthogonal to the direction of ejecting the disc 19 from the magazine 18 (direction of arrow B in FIG. 4), and parallel to this direction. (Direction of arrow A in FIG. 4).

When the operation portion 16a is attached and detached in the direction of the arrow B, it does not become an obstacle even if it is located in the groove 21. On the other hand, when the operating portion 16a is located in the groove 21 when being attached / detached in the direction of arrow A, the operating portion 16a engages or comes into contact with the magazine 18 to hinder attachment / detachment.
The disc playing device of the type that is detachable from the direction includes guide means for moving the operating portion 16 a below the groove 21. This type of disc playing device is the subject of the present invention, and FIGS. 5 and 6 show an example of a conventional disc playing device of this type.

In this disc playing device, a stepwise cam groove 27a is formed on the side slide plate 27 which can be slid forward and backward, a long hole 31a is formed on the side panel 31 of the main body chassis, and a pin is formed on the side face of the disc playing portion 22. 9a, 9b
Are provided at the front and the rear, respectively, and pins 9a and 9b are inserted into the cam groove 27a and the elongated hole 31a. In this disc playing device, when the magazine 18 is attached or detached, the disc playing portion 22 can be moved to the magazine 18 attaching or detaching position further below the lowermost position corresponding to the lowermost stage of the disc housing 2. Is. In this case, a slide plate is also arranged on the right side surface of the disc playing device, and the front and rear cam grooves thereof are formed as a mirror image of 27a.

[0012]

Certainly, according to this type of device, the magazine 18 can be attached and detached in the direction of arrow A to reproduce the desired disc. However, the disc playing portion 22 has a certain thickness because it is provided with a playing mechanism for playing the disc 19. In particular, since the optical pickup and the drive mechanism for the turntable are arranged below the turntable on which the disc 19 is mounted, the lowermost portion of the disc playing portion 22 is located below the disc ejecting means 16.

Further, in the conventional disc playing device, the front and rear cam grooves 27a of the slide plate 27 have the same shape, and the disc playing portion 22 is moved up and down in parallel while being kept horizontal. Therefore, the disc playing unit 22
In order to move the disc to the attachment / detachment position, it is necessary to secure a space below the bottommost position of the disc playing portion 22 at the bottommost position so that the bottommost part at the attachment / detachment position is located.

Therefore, the conventional disc playing device has a drawback that the entire thickness is increased due to this space. The present invention has been proposed in order to solve the above-mentioned problems of the prior art, and an object thereof is to provide a disc playing device having a magazine eject device capable of reducing the thickness of a disc playing device equipped with the same. Especially.

[0015]

In order to achieve the above object, a disc playing device of the present invention is a disc playing device using a magazine for accommodating a plurality of discs by stacking them in multiple stages, and the disc stacking direction of the magazine. A disc playing unit provided movably on the disc playing unit and a disc taking-out unit mounted on the disc playing unit. The disc taking-out unit engages or abuts the magazine at the time of attachment / detachment. Inside, the disc playing unit is moved in parallel to the magazine stacking direction, and when the magazine is attached or detached, the disc playing unit is tilted with respect to the magazine attaching or detaching direction so that the disc take-out means is engaged or abutted with the magazine. It is characterized in that it has a guide means for retracting it to a non-operating position.

In particular, the present invention according to claim 2 is a magazine in which a plurality of disc storage portions for storing one disc each are stacked in multiple stages, and a disc outlet formed on one side of each disc storage portion. , A disc pushing-out means disposed inside each disc housing portion, and a groove which is an opening from the upper surface to the lower surface of the magazine is formed on the side surface of the magazine orthogonal to the disk ejection port. A disc playing device using a magazine in which one end of a disc pushing means is exposed, and a disc playing portion movably provided in the disc stacking direction of the magazine and a disc ejecting unit mounted on the disc playing portion. And a magazine mounting opening is formed on the side facing the disc playing portion, and a part of the disc ejecting means is provided in the groove. In the disc playing device that engages with or abuts the magazine at the time of attachment / detachment, the disc playing part is moved parallel to the stacking direction of the magazines while the magazine is attached, and the disc playing part is attached / detached when the magazine is attached / detached. A guide means for retracting the disc ejecting means to the upper side or the lower side of the groove, which is not engaged or abutted with the magazine, by inclining the disc pushing means side upward or downward with respect to the direction. Is characterized by.

[0017]

In the disc playing device of the present invention having the above-mentioned structure, the disc playing portion is tilted as a means for moving the operating portion below the groove. Therefore, the disc playing portion does not move below the lowermost position. Therefore, it is not necessary to provide an extra space below the lowermost part of the disc playing portion at the lowermost position, and the disc playing device can be made thin.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the disk playing device of the present invention will be specifically described below with reference to the drawings. The same members as those of the conventional technique are designated by the same reference numerals and the description thereof will be omitted.

(1) Configuration of the embodiment ... FIGS. 1, 2, 3, 4 a. Magazine As shown in FIG. 1, the magazine 18 used in the disc playing device of the present embodiment has six disc storage units 2
And a disk ejection port 28 is formed on the back surface. A disc pushing-out means 17 is arranged at the front left corner in each disc housing 2. Further, a groove 21 is formed near the front side of the left side of the magazine 18, and each disc pushing means 1 is inserted into the groove 21.
The left end of 7 is exposed.

B. Outline of Disc Playback Device The disc play device according to the present embodiment has a main body chassis 1 around it.
, A magazine mounting opening 23 is formed in the front, a disc playing portion 22 is provided in the rear of the inside, a disc take-out means 16 is attached to the left side of the disc playing portion 22, and the disc playing portion is mainly in the lower front. Guide means for moving and inclining the portion 22 and a magazine eject device are provided. Although not shown, all of these are controlled by the control device.

C. Disc Playing Unit The disc playing unit 22 is arranged inside the disc playing device, facing the front. This disc playing part 22
Is composed of a disc ejecting means 16 for operating the disc pushing means 17 to take out the disc 19 from each disc housing 2, and a performance mechanism for playing the taken out disc 19. The disc playing portion 22 is mounted on the playing portion chassis 12 for mounting the disc playing portion 22 together with the disc take-out means 16. The playing unit chassis 12 is vertically movably mounted in the main body chassis 1 so that the disc playing unit 22 can be moved to a position corresponding to each stage of each disc housing unit 2.

D. Disc ejecting means The disc ejecting means 16 mounted on the disc playing portion 22 is formed from the disc playing portion 22 to the groove 21 through the left side of the magazine 18, and the operation portion 16a is provided at the tip thereof. .. This operation unit 16
a is a protrusion protruding to the right, and the disc playing portion 2
It is arranged so as to be located behind the disc pushing means 17 provided in the disc housing portion 2 corresponding to the position 2.

Although not shown, the base of the disc ejecting means 16 is provided with driving means for moving the disc ejecting means 16 back and forth. This drive means is arranged on the left side of the disc playing section 22,
It is composed of a motor, a transmission gear and an intermittent gear. The first motor is rotatable left and right, the transmission gear is combined with the first motor so as to reduce the rotation thereof, and the intermittent gear in which gears are formed in about half the circumference is combined with this transmission gear. .. A drive pin is formed on the intermittent gear, and the intermittent gear and the transmission gear are combined so that the drive pin takes a front front position and a rear rear position according to the rotation of the intermittent gear.

Further, the disc take-out means 16 is mounted on the disc playing portion 22 so as to be slidable forward and backward, and the root portion of the side surface of the disc playing portion 22 is a plate-like base portion. A vertical drive hole is formed in the base portion, and the drive pin of the intermittent gear is inserted into the drive hole. Therefore, the control device can move the disc ejecting means 16 back and forth by controlling the first motor.

E. Guide means for disc playing portion The guide means for the disc playing portion 22 is configured as follows. That is, the front side and the rear side of the side panel 11 on the left side of the main body chassis 1 have vertical elongated holes 11 respectively.
a and 11b are formed. The long holes 11a and 11
Unlike the conventional long hole 31a of the side panel, b has a different length corresponding to the difference in shape of the cam grooves 7a and 7b of the slide plate 7. A slide plate 7 is attached to the inside of the side panel 11 so as to be slidable back and forth. At the front part of the slide plate 7, stepwise cam grooves 7a having seven horizontal parts are formed corresponding to the uppermost stage to the lowermost stage and the attaching / detaching position of the disk storage unit 2 as in the conventional case. .. On the other hand, a cam groove 7b is also formed in the rear part, but in the cam groove 7b, a horizontal part is not formed below the lowermost stage of the disc housing portion 2, and it is assumed that it corresponds to the attachment / detachment position of the cam 7a. , The bottom horizontal part is extended rearward.

On the other hand, pins 9a and 9b are respectively provided on the front and rear portions of the side plate 9 on the left side surface of the performance chassis 12.
Is provided. Since these pins are respectively inserted in the corresponding cam grooves and elongated holes, the playing section chassis 12 moves up and down according to the slide of the slide plate 7.

Even on the left side surface of the main body chassis 1,
The side panel 10, the slide plate 6, and the side plate 8 are configured symmetrically with the right side surface, but the front and rear cam grooves of the slide plate 6 are different from the front and rear cam grooves of the slide plate 7, respectively. It is a mirror image.

The slide plates 7 and 6 are connected to both ends of a half-moon shaped gear plate 5, and a transmission gear 4 is combined with a gear portion 5a of the gear plate 5. Although not shown, the transmission gear 4 is combined with another transmission gear and a second motor that is rotatable left and right, and the slide plates 6 and 7 are rotated according to the rotation of the second motor. Slide in opposite directions.
Therefore, the control device can control the front and rear positions of the slide plates 7 and 6 by controlling the motor 2. The positioning of the slide plates 7 and 6 is performed by the control device based on the detection signal detected by the sensor 26 formed in the gear plate 5 in the detection hole 25.

F. Magazine Eject Device The magazine eject device is composed of an eject plate 24 for ejecting the magazine 18 from the magazine mounting opening 23 and a drive mechanism thereof. The eject plate 24 is horizontally arranged at a position where the rear lower surface of the magazine mounted in the magazine mounting opening 23 is mounted, and a claw for engaging the rear end of the magazine 18 is formed in the rear portion.
The eject plate 24 is attached so as to be slidable forward and backward, and as a drive mechanism thereof, a third motor 16b for moving the eject plate 24 forward and backward.
And the gear set are combined. Therefore, the control device can move the operation portion 16a below the groove 21 and then move the eject plate 24 forward to eject the magazine mounted on the eject plate 24 from the magazine mounting opening 23.

(2) Operation and effect of the embodiment This embodiment having the above-mentioned structure has the following operation.

A. Vertical movement of the disc playing part Discs 19 stored in the disc storing part 2 of a specific stage
When reproducing, the control unit controls the second motor connected to the gear plate 5, and the motion of the gear plate 5 and the slide plates 7 and 6 causes the playing section chassis 1
Move 2 up and down. At the same time, the controller controls the performance chassis 12 based on the detection signal of the detection hole 25 by the sensor 26.
Is positioned, and the pins 9a and 9b are positioned in the horizontal portion of the cam groove corresponding to the disc storage portion 2.

In each stage, the disc ejecting means 1
Since the operation portion 16a of 6 is located behind the exposed portion of each disc pushing means 17, the control device controls the first motor constituting the driving means to move the disc ejecting means 16 forward to operate. The disc pushing means 17 can be rotated by the portion 16a to take out the disc 19 from the disc housing portion 2 and reproduce it.

B. Ejecting the magazine When ejecting the magazine 18, the control device moves the slide plate 7,
6 is moved to position the pins 9a and 9b in the horizontal portions of the cam grooves 7a and 7b corresponding to the attachment / detachment positions. At this time, the position of the front pin 9a is lower than that in the lowermost stage of the disk storage unit 2, while the position of the rear pin 9b is the same height as in the lowermost stage of the disk storage unit 2. Therefore, the disc playing portion 22 tilts and the operating portion 16a moves below the groove 21, but the height behind the disc playing portion 22 does not change. Therefore, it is not necessary to secure a space below the lowermost portion of the disc playing portion 22 at the lowermost stage.

After this, the control device moves the eject plate 24 forward, and ejects the magazine mounted on the eject plate 24 from the magazine loading port 23.

(3) Other Embodiments The present invention is not limited to the above embodiments, and the specific shape, mounting position, mounting structure, etc. of each member can be changed as appropriate. Therefore, the present invention includes the following other embodiments. For example, the means for taking out the disc from the magazine is the disc pushing means 17
The tray is not limited to this, and a tray can be used. A magazine using a tray is one in which a tray that can be freely taken in and out is provided in each disk housing portion, and the disk is taken out by rotating the tray on which the disk is mounted. Even in this case, the present invention can be applied as long as a groove is formed on the side surface of the magazine orthogonal to the magazine mounting opening and a means for taking out the disc from the outside of the magazine is inserted in the groove.

Further, the disc take-out means is not limited to the one for operating the disc pushing-out means in the magazine, and the disc take-out means can be used only for that purpose.

Further, the magazine may be taken out by inclining the disc playing portion 22 so that the operating portion 16a is located above the magazine.

[0038]

As described above, according to the present invention, it is possible to make the disc playing device thinner. Therefore, the installation space of the disk playing device can be reduced.

[Brief description of drawings]

FIG. 1 is a left side view (attaching / detaching position) showing an internal structure of a disc playing device of the present invention.

FIG. 2 is a left side view (uppermost position) showing the internal structure of the disc playing device.

FIG. 3 is a left side view (bottom position) showing the internal structure of the disc playing device.

FIG. 4 is a plan view showing the internal structure of a conventional disk playing device and the present invention.

FIG. 5 is a left side view (attaching / detaching position) showing an internal structure of a conventional disc playing device.

FIG. 6 is a left side view (lowermost position) showing the internal structure of the disc playing device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Main body chassis 2 ... Disk storage part 4 ... Transmission gear 5 ... Gear plate 5a ... Gear part 6,7,27 ... Slide plate 7a, 7b ... Cam groove 8,9 ... Side plate 9a, 9b ... Pin 10,11, 31 ... Side panels 11a, 11b ... Oblong holes 12 ... Playing part chassis 16 ... Disc ejecting means 16a ... Operation part 17 ... Disc pushing means 17a ... Rotating shaft 18 ... Magazine 19 ... Disc 21 ... Groove 22 ... Disc playing part 23 ... Magazine Mounting port 24 ... Eject plate 25 ... Detection hole 26 ... Sensor 27a ... Cam groove 28 ... Disc ejection port 31a ... Oval hole

Claims (2)

[Claims] 1. A disc playing device using a magazine for accommodating a plurality of discs stacked in multiple stages, the disc playing part being movably provided in the disc stacking direction of the magazine, and mounted on the disc playing part. In a disc playing device in which the disc taking-out means engages or abuts the magazine at the time of loading / unloading, the disc playing part is moved in parallel to the stacking direction of the magazines while the magazine is being loaded. Is a disc playing device characterized by having guide means for retracting the disc take-out means to a position where it does not engage with or abut the magazine by tilting the disc playing portion with respect to the magazine attaching / detaching direction. 2. A magazine in which a plurality of disc storage units each storing one disc are stacked in multiple stages, and a disc take-out port formed on one side surface of each disc storage unit and disposed inside each disc storage unit. And a disc pushing-out means that is formed on the side surface of the magazine orthogonal to the disc take-out opening. A disc playing device using an exposed magazine, which comprises a disc playing part movably provided in the disc stacking direction of the magazine and a disc ejecting means mounted on the disc playing part, facing the disc playing part. A magazine loading port is formed on the side surface, and a part of the disc ejecting means is located inside the groove. In a disc playing device that engages with or abuts the magazine during attachment / detachment, the disc playing part is moved parallel to the stacking direction of the magazine while the magazine is attached, A disc performance characterized by having guide means for retracting the disc take-out means to the upper or lower side of the groove without engaging or abutting with the magazine by inclining the push-out means side upward or downward. apparatus.