JP3594473B2 - Disk changer device - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a disk changer device that accommodates a plurality of disks in an integrated state and selectively drives one of the disks.
[0002]
[Prior art]
Conventionally, for example, there is a compact disc (hereinafter referred to as a CD) as a disc, and in a disc changer apparatus for this CD, as described in Japanese Patent Application Laid-Open No. 6-231529, a large number of CDs such as 30, 40, etc. Are stored in an integrated state, and any one of the CDs is selectively played.
[0003]
In such a disc changer device, a stocker for detachably storing a CD is provided on the front side in the housing, and a drive body for playing a CD is provided on the rear side of the stocker so as to be movable in the left-right direction. ing.
[0004]
The stocker is stacked along the left and right direction with the disk surface facing the side of the housing, that is, the disk surface is perpendicular to the front of the housing. The disk is removable.
[0005]
The drive unit is disposed on the rear side of the stocker so as not to hinder the loading / unloading of the disk with respect to the stocker. The drive unit is moved in the left-right direction corresponding to the position of an arbitrary disk, and the selected CD is loaded into the rear drive unit. Thus, the performance is performed in the capturing position, that is, with the disk surface facing the side surface of the housing.
[0006]
[Problems to be solved by the invention]
However, in the conventional disk changer device, the CD is played by the drive unit disposed on the rear side of the stocker, and the CD is played with the disk surface facing the side surface of the housing. It was not possible to confirm the title or the like displayed on the label surface (non-data recording surface) of the selected CD or to visually recognize the playing state of the CD from the front of the housing.
[0007]
Further, since such a disc changer device is combined with an amplifier, a tuner, a speaker, and the like as a component stereo, and speakers and the like are arranged on both sides of the disc changer device, the title displayed on the label surface of the selected CD is also considered. It was difficult to confirm the name and the like, and to make it possible to visually recognize the playing state of the CD.
[0008]
The present invention has been made in view of such a point, and an object of the present invention is to provide a disk changer device that allows the disk surface of the disk and the drive state of the disk to be visually recognized from the front of the housing.
[0009]
[Means for Solving the Problems]
The disk changer device according to claim 1, wherein a housing having a window on a front surface, and a plurality of disks are provided in the housing, and a plurality of disks are arranged in a front-rear direction with a disk surface facing a front surface of the housing. A stocker to be integrated, a drive mechanism provided behind the window in the housing and at the side of the stocker, and for driving a disk with the disk surface facing the front of the housing; A loading mechanism for loading and unloading a disc between the discs, and a moving mechanism for moving the disc in the front-back direction corresponding to an arbitrary disc position when loading the disc and moving the disc to the most advanced drive position facing the window of the housing when driving the disc. And a drive body having the following.
[0010]
To drive the selected disk, the moving mechanism moves the drive unit in the front-rear direction corresponding to the position of the selected disk, and the loading mechanism moves the disk selected from the stocker to the drive mechanism of the drive unit. Then, the drive mechanism is moved to the most advanced drive position facing the window of the housing by the moving mechanism, and the disk is driven. Therefore, the disk surface of the selected disk and the drive state of the disk can be viewed well through the window of the housing.
[0011]
According to a second aspect of the present invention, there is provided the disk changer device according to the first aspect, further comprising a holding mechanism for positioning and holding the drive body with respect to the housing at the drive position.
[0012]
The drive state of the disk is stabilized by positioning and holding the drive body moved to the drive position by the holding mechanism.
[0013]
According to a third aspect of the present invention, in the disk changer according to the first or second aspect, the stocker is provided so as to be able to advance and retreat from a front surface of the housing.
[0014]
By making the stocker advance from the front of the housing, the attachment and detachment of the disk to and from the stocker becomes easy.
[0015]
According to a fourth aspect of the present invention, in the disk changer device according to the first or second aspect, the stocker is provided so as to be able to advance and retreat from a front surface of the housing, and is moved forward and backward by a driving force of a stocker moving motor. It is.
[0016]
The stocker is automatically moved back and forth from the front of the housing by the driving force of the stocker moving motor. By making the stocker advance from the front of the housing, the attachment and detachment of the disk to and from the stocker becomes easy.
[0017]
According to a fifth aspect of the present invention, there is provided the disk changer device according to the second aspect, wherein the stocker is provided so as to be able to advance and retreat from the front surface of the housing, the moving mechanism is a moving motor, and the driving force from the moving motor. A drive body moving mechanism for moving the drive body in the front-rear direction by using the drive body; a clutch mechanism for releasing transmission of a driving force from the moving motor to the drive body movement mechanism in a state where the drive body is moved to the drive position; The stocker functions as a part of the moving mechanism, the drive body is moved to the drive position, and the stocker is driven by the driving force from the moving motor in a state where the transmission of the driving force from the moving motor to the drive body moving mechanism is released by the clutch mechanism. Has a stocker moving mechanism for moving the robot forward and backward.
[0018]
When the drive body is moved, the driving force from the movement motor is transmitted to the drive body movement mechanism, and the drive body is moved in the front-rear direction by the drive body movement mechanism. When the stocker moves forward and backward, the transmission of the driving force from the moving motor to the drive body moving mechanism is released by the clutch mechanism with the drive body moved to the drive position, and the driving force from the moving motor is transmitted to the stocker moving mechanism. The stocker is automatically transmitted and moved by the stocker moving mechanism. Therefore, the movement of the drive body and the movement of the stocker are performed by one movement motor. Moreover, the disk is easily attached to and detached from the stocker by allowing the stocker to advance from the front of the housing.
[0019]
A disc changer device according to a sixth aspect of the present invention is the disc changer device according to the third or fourth aspect, wherein the disc changer device is movable between a restriction position for restricting the advancement of the stocker and a release position for releasing the restriction, and moves to the restriction position. The loading mechanism includes an urging regulating member, and the loading mechanism includes a loading motor and a loading plate that is reciprocated by a driving force from the loading motor, and the loading mechanism operates by moving to one of the loading plates. The restriction member is moved to the release position by the movement of the loading plate to the other side.
[0020]
Careless advancement of the stocker is regulated by the regulating member. Further, the movement of the loading mechanism to one side of the loading plate activates the loading mechanism, and the movement of the loading plate to the other side releases the regulation by the regulating member, so that the mechanism for releasing the regulating member is also used by the loading mechanism.
[0021]
According to a seventh aspect of the present invention, in the disk changer device according to the fifth aspect, the loading mechanism includes a loading motor and a loading plate reciprocated by a driving force from the loading motor. The loading mechanism is operated by the movement of the loading plate to one side, and the clutch mechanism is released by the movement of the loading plate to the other side.
[0022]
The loading mechanism is operated by the movement of the loading mechanism to one of the loading plates, and the clutch mechanism is released by the movement of the loading plate to the other, and the release of the clutch mechanism is shared by the loading mechanism.
[0023]
The disc changer device according to claim 8 is the disc changer device according to claim 6 or 7, wherein the holding mechanism is provided in the holding groove provided in the housing corresponding to the drive position and in the holding groove by moving the loading plate. It has a holding piece provided on the loading plate to be engaged.
[0024]
At the drive position, the movement of the loading plate causes the holding piece of the loading plate to engage with the holding groove of the housing to be positioned and held, and the holding mechanism is also used as the loading mechanism.
[0025]
According to a ninth aspect of the present invention, in the disk changer device according to any one of the first to eighth aspects, the loading mechanism adjusts a center of the disk in accordance with a diameter of the disk in a process of loading the disk from the stocker to the drive mechanism. It has a disk center positioning means for positioning at the center of the drive mechanism.
[0026]
By the disk center positioning means of the loading mechanism, the center of the disk is positioned at the center of the drive mechanism in accordance with the diameter of the disk during the loading of the disk from the stocker to the drive mechanism, so that disks having different diameters can be handled.
[0027]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
[0028]
FIGS. 1 to 12 show a first embodiment. In this embodiment, a CD player which handles a read-only compact disc (hereinafter, referred to as a CD) as a disc (information recording disc) is provided. A disc changer apparatus for selectively reproducing one CD from among CDs will be described. Also, CDs have a diameter of 12 cm for album size and 8 cm for single size.
[0029]
1 and 2, the disc changer device includes a housing 1, a stocker 2 and a drive unit 3 arranged in the housing 1, and a plurality of CDs are integrated on the stocker 2. Is performed.
[0030]
First, the housing 1 will be described.
[0031]
An opening 11 and a window 12 are formed on the front surface of the housing 1, a stocker 2 is provided behind the opening 11, and a drive body 3 is provided behind the window 12 so as to be movable in the front-rear direction. ing. The foremost part facing the window portion 12 where the drive body 3 can advance most is set as a drive position 13 where the drive body 3 plays a CD.
[0032]
On the upper surface of the housing 1, two racks 14 and 15, which constitute a part of a moving mechanism of the drive body 3 described later, are formed along the front-rear direction, and a guide plate 16 is attached along the front-rear direction. Have been.
[0033]
A pair of rails 17 are formed on the bottom surface of the housing 1 in correspondence with the movement area of the drive body 3, and as shown in FIG. The holding grooves 18a and 18b which form a part are formed. The holding grooves 18a and 18b are formed between the front and rear edge portions 19 raised from the bottom surface.
[0034]
Next, the stocker 2 will be described.
[0035]
The stocker 2 has a mounting table 21 that is long in the front-rear direction. The mounting table 21 has a plurality of slit-shaped disk loading grooves 22 that are horizontally long in the left-right direction and whose central areas are vertically opened. CDs are removably inserted from above into these disc loading grooves 22 and loaded. Therefore, a plurality of CDs are stacked on the stocker 2 in the front-back direction with the disk surface of the CD facing the front surface of the housing 11.
[0036]
A guide plate 23 is provided upright on the rear wall of the foremost disk loading groove 22. In addition to the CDs stacked in the stocker 2, when loading and playing CDs one by one, the CDs are loaded by the guide plate 23. It is easily inserted into the disc loading groove 22 for loading.
[0037]
In the stocker 2 according to this embodiment, a total of 35 CDs can be stacked on the rear side of the guide plate 23 and one on the front side.
[0038]
A pair of slide portions 24 are formed on the lower surface of the mounting table 21 along the front-rear direction, and these slide portions 24 are slidable on a pair of guide rails 25 arranged on the bottom surface of the housing 1 along the front-rear direction. The mounting table 21 is configured to be movable in the front-rear direction along the guide rail 25. Therefore, the stocker 2 is configured to be able to advance and retreat further forward from the opening 11 of the housing 1 so that the CD can be easily attached and detached at the advanced position.
[0039]
As shown in FIGS. 2 and 3, a plurality of detection slits 26 corresponding to each disk loading groove 22 are provided on the side surface of the mounting table 21 facing the drive body 3 at the same pitch as that of the disk loading groove 22 in the front-rear direction. And a rack 27 that forms part of a drive body moving mechanism and a stocker moving mechanism, which will be described later.
[0040]
As shown in FIGS. 1, 4 and 5, a regulating member 28 for regulating the forward movement of the stocker 2 is provided on the side of the opening 11 of the housing 1 and behind the front plate of the housing 1. Are movably disposed in the left-right direction. The restricting member 28 is movable between a restricting position in which one end advances to the opening 11 to restrict the advance of the stocker 2 to the front and a release position in which the restricting member retracts from the opening 11 and releases the restriction. 29 to the regulating position. A regulating pin 30 projecting rearward is attached to the other end of the regulating member 28.
[0041]
Next, the drive body 3 will be described.
[0042]
As shown in FIGS. 1 and 7, the drive body 3 includes a frame 31, a drive mechanism 32, a loading mechanism 33, and a moving mechanism 34.
[0043]
The frame body 31 has an opening formed on the side facing the stocker 2 for loading a CD, and has an opening formed on the front so that the disk surface of the CD played by the drive mechanism 32 can be viewed from the front. As shown in FIG. 7, a plurality of rollers 37 (only one is shown in the drawing) that engage with each rail 17 of the housing 1 are rotatably supported on the lower surface of the frame 31. The frame 31 is moved in the front-rear direction by the rollers 37 rolling on the rail portion 17.
[0044]
Further, as shown in FIG. 1, the drive mechanism 32 has a pickup unit 43 including a turntable 41 and a pickup 42, which is disposed in the frame 31. It is attached to the front surface of a swing plate 44 that is swingably supported in the front-rear direction with the side as a fulcrum. A holding plate 45 is erected from the frame body 31 in front of the pickup unit 43, and a chuck unit (not shown) for chucking a CD with the turntable 41 is attached to the holding plate 45. The pressing plate 45 is formed corresponding to the center of the CD to be chucked, and has an opening corresponding to at least the upper half of the disk surface of the CD.
[0045]
Then, the loading of the CD between the pickup unit 43 and the chuck unit is enabled in a state where the swing plate 44 is retracted rearward, and at the time of chucking, the swing plate 44 is advanced forward so that the CD is moved to the turntable 41 and the chuck. It is chucked between units.
[0046]
As shown in FIGS. 3 to 5, the loading mechanism 33 has a loading plate 51 attached to the frame body 31 so as to be slidable in the left-right direction. The driving force from the loading motor 54 is transmitted via the gear train 55, and is moved leftward (one) or rightward (the other) starting from the fixed position shown in FIGS.
[0047]
A holding piece 56 is formed on the lower left side of the loading plate 51. When the drive body 3 is located at the drive position 13, the holding piece 56 is moved to one of the holding grooves 18 a, 18 b by the horizontal movement of the loading plate 51. Engaged. Therefore, the holding grooves 18a and 18b and the holding piece 56 constitute a holding mechanism 57 for positioning and holding the drive body 3 at the drive position 13 with respect to the housing 1.
[0048]
A pushing portion 58 is formed below the right edge of the loading plate 51, and when the drive body 3 is located at the drive position 13, the pushing portion 58 is regulated by the rightward movement of the loading plate 51 to regulate the regulating member 28. Engagement with the pin 30 causes the regulating member 28 to be pushed to the right release position.
[0049]
Two cam grooves 61 and 62 are formed in the loading plate 51, respectively, and two groove portions 62a and 62b are formed in the lower cam groove 62 so as to be divided into upper and lower portions to the right from a substantially middle branch point. Although details will be described later, the groove 62a is configured for a 12 cm CD, and the groove 62b is configured for an 8 cm CD. The grooves 62a and 62b are configured as a part of a disk center positioning unit described later.
[0050]
A cam groove 64 is formed on the rear surface of the loading plate 51 on the upper side of the rack 53, and a chuck pin 65 protrudes from the cam groove 64. The chuck pin 65 engages with the swing plate 44 when the loading plate 51 moves to the left, swings the swing plate 44 forward, and transfers a CD between the turntable 41 and the chuck unit. It is configured to be chucked. Further, a loading plate pin 67 protrudes from the front surface of the rack 53 of the loading plate 51.
[0051]
The configuration other than the loading plate 51 of the loading mechanism 33, that is, the structure related to CD loading will be described later.
[0052]
1 to 3, the moving mechanism 34 includes a moving motor 71, a drive body moving mechanism 72, a clutch mechanism 73, and a stocker moving mechanism 74.
[0053]
The drive body moving mechanism 72 has an interlocking shaft 81 rotatably supported so as to penetrate the frame 31 up and down, and interlocking gears 82 and 83 are fixed to upper and lower ends of the interlocking shaft 81, respectively. Of the moving motor 71 attached to the frame 31 via the intermediate gear 84.
[0054]
On the upper surface of the frame 31, an intermediate gear 86, a moving gear 87, an intermediate gear 88, and a moving gear 89 to which a driving force is sequentially transmitted from an interlocking gear 83 at an upper end of the drive shaft 81 are rotatably supported. The moving gears 87 and 89 are engaged with the racks 14 and 15 on the upper surface of the housing 1, respectively.
[0055]
On the lower surface of the frame 31, a moving gear 90 that meshes with the interlock gear 82 at the lower end of the interlocking shaft 81 is rotatably supported, and the moving gear 90 is meshed with the rack 27 of the stocker 2.
[0056]
A roller 80 rotatably engaged with the guide plate 16 is rotatably supported on the upper surface of the frame 31.
[0057]
Therefore, the interlocking shaft 81 is rotated by the driving force of the moving motor 71, and the moving gears 87, 89, 90 roll with respect to the racks 14, 15, 27, and the drive body 3 is moved in the front-rear direction. Translated.
[0058]
Further, the clutch mechanism 73 has two clutch members 91 and 92 having rack portions 91a and 92a which can be connected to the front ends of the racks 14 and 15 of the housing 1, and one clutch member 92 has a rear end side. The other clutch member 91 is connected to one clutch member 92 so as to be slidable in the left-right direction. The state in which the rack portions 91a and 92a are continuous with the front ends of the racks 14 and 15 is the clutch engaged state, and the rack portions 91a and 92a move rightward from the front ends of the racks 14 and 15 and mesh with the moving gears 87 and 89. The state in which the clutch does not operate is the clutch disengaged state. A spring 94 is provided between one clutch member 92 and the housing 1 so as to urge the clutch member 92 into the engaged state. A clutch pin 95 protrudes from the lower surface of one clutch member 92.
[0059]
As shown in FIGS. 4 and 5, when the drive body 3 moves to the drive position 13, a clutch lever 96 that engages with the clutch pin 95 is pivotally movable about a support shaft 97 as a fulcrum. Supported. An engagement groove 98 is formed at the upper end of the clutch lever 96 to engage with the clutch pin 95, and a cam opening 99 is formed at the lower end. The clutch lever 96 is urged in a counterclockwise direction in the figure by a spring (not shown).
[0060]
On the lower side of the clutch lever 96 of the frame 31, a link lever 100 is pivotally supported on a support shaft 101 as a fulcrum, and is engaged with the cam opening 99 of the clutch lever 96 from near the upper end of the link lever 100. A link pin 102 is projected, and a link pin 103 engaged with the cam groove 64 of the loading plate 51 is projected from a lower end.
[0061]
Then, as shown in FIG. 4, when the clutch is engaged, the loading plate 51 is at the fixed position, so that the clutch pin 95 and the clutch lever 96 can be disengaged by the movement of the drive body 3 with respect to the drive position 13. . As shown in FIG. 5, when the loading plate 51 is moved rightward while the drive body 3 is moved to the drive position 13, the link lever 100 is rotated counterclockwise in the drawing and the clutch is moved. The lever 96 is rotated clockwise in the figure, and the clutch members 91 and 92 are moved rightward via the clutch pin 95 to disengage the clutch. In the clutch disengaged state, at the same time, the regulating member 28 is moved to the release position to allow the stocker 2 to advance and retreat, and the holding piece 56 of the loading plate 51 engages with the holding groove 18a to position the drive body 3 in position. Will be retained.
[0062]
Further, as shown in FIG. 3, the stocker moving mechanism 74 includes a moving gear 90 and a rack 27 to which the driving force of the moving motor 71 is transmitted. When the drive body 3 is held at the drive position 13 and the clutch is disengaged and the regulating member 28 is moved to the release position, the rack 27 is engaged with the moving gear 90 rotated by the driving force of the moving motor 71. Is moved in the front-rear direction, and the stocker 2 is moved forward and backward with respect to the housing 1.
[0063]
As shown in FIG. 2, the frame 31 is provided with a sensor 105 such as a photo interrupter having a light emitting and receiving device above and below the detection slit 26 corresponding to the position of the detection slit 26 of the stocker 2. Then, the relative movement position between the stocker 2 and the drive body 3 is detected.
[0064]
Next, the loading mechanism 33 will be described.
[0065]
As shown in FIG. 7, the loading mechanism 33 includes the above-described loading plate 51, claw lever 111, holder arm 112, holder plate 113, holder lever 114, and the like.
[0066]
The claw lever 111 is disposed on the lower side of the stocker 2 and is formed in a thin plate shape capable of entering each disc loading groove 22 of the stocker 2. An arm (not shown) disposed below the arm 25 is rotatably supported by a support shaft 115. Then, as shown in FIG. 8, the pawl lever 111 is rotated upward, so that the pawl lever 111 engages with the peripheral edge of the CD loaded in the disc loading groove 22, and the CD Are pushed out toward the drive body 3 side.
[0067]
The claw lever 111 is connected to one vertex of a substantially triangular link 117 via a linear rod 116. The link 117 is swingably supported by the frame body 31 with a support shaft 118 at another vertex as a fulcrum, and a claw lever pin 119 for engaging with the cam groove 61 of the loading plate 51 protrudes from the remaining vertex. ing.
[0068]
The holder arm 112 is rotatably supported on a holder plate 113 by a support shaft 120, and at one end is formed a substantially V-shaped guide groove 121 into which the periphery of a CD is engaged. A holder arm pin 122 engaged with the cam groove 62 of the plate 51 protrudes. Between the holder arm 112 and the holder plate 113, a spring (not shown) for urging the holder arm 112 in the clockwise direction in the drawing is stretched. Then, as shown in FIG. 8, the CD pushed out from the stocker 2 by the pawl lever 111 or the CD returned from the drive unit 3 to the stocker 2 side is exchanged between the stocker 2 side and the drive unit 3 side. It is configured to deliver.
[0069]
The holder plate 113 is supported to be vertically movable with respect to the frame body 31 and is urged upward by a spring 123 (see FIG. 12). A holder portion 125 having a substantially V-shaped holder groove 124 into which the periphery of the CD is engaged is formed to project along the lower front edge of the holder plate 113. A cam groove 127 with which the loading plate pin 67 of the loading plate 51 is engaged is formed on the back surface of the holder plate 113. The cam groove 127 is formed to be rotationally symmetric with the cam groove 62 of the loading plate 51, and has two groove portions 127a and 127b which are vertically separated from the intermediate branch point to the left and right. The groove 127a is configured for a 12 cm CD, and the groove 127b is configured for an 8 cm CD. The grooves 127a and 127b are configured as a part of a disk center positioning unit described later.
[0070]
The holder lever 114 is pivotally supported on the side of the frame 31 facing the stocker 2 so as to be pivotable with a support shaft 128 at the upper end as a fulcrum, and has a substantially V-shaped front end engaged with the peripheral edge of the CD. A holder part 130 having a holder groove 129 is attached. One end of a link lever 131 is rotatably pivotally connected to the holder lever 114, and the other end of the link lever 131 is rotatably pivotally connected to the upper end of the link lever 100 so as to freely move within a predetermined range. I have. A spring (not shown) for urging the link lever 131 leftward, that is, urging the holder lever 114 clockwise in the drawing is provided between the link lever 131 and the frame 31.
[0071]
In the process of loading the CD from the stocker 2 to the drive body 3, the center of the CD is positioned at the center of the drive mechanism 32 by the cam grooves 62 and 127, the holder plate 113, the holder lever 114, and the like in accordance with the diameter of the CD. The disk center positioning means 132 is constituted.
[0072]
Next, the operation of the present embodiment will be described.
[0073]
First, loading of a CD into the stocker 2 will be described.
[0074]
When the ejection of the stocker 2 is instructed, the drive body 3 is moved to the forefront drive position 13.
[0075]
As shown in FIG. 3, the movement of the drive unit 3 is performed by driving the movement motor 71 to rotate the movement gears 87 and 89 on the upper surface of the frame 31 and the movement gear 90 on the lower surface thereof. The gears 87, 89, 90 are rolled while meshing with the racks 14, 15, 27, and the drive body 3 is translated in the forward direction.
[0076]
At this time, the regulating member 28 is at the regulating position protruding forward of the stocker 2, and regulates the advance of the stocker 2. Further, when the clutch mechanism 73 is in the clutch engaged state, the position where the moving gears 87 and 89 mesh with the rack portions 91a and 92a of the clutch members 91 and 92, that is, the drive body 3 can reach the drive position 13. I have.
[0077]
When the drive body 3 reaches the drive position 13, the movement motor 71 is stopped. In the drive position 13, as shown in FIG. 4, the pushing portion 58 of the loading plate 51 is disposed on the side of the regulating pin 30 of the regulating member 28, and the engaging groove 98 of the clutch lever 96 is Is engaged with the clutch pin 95.
[0078]
After the drive body 3 reaches the drive position 13, the loading plate 51 is moved rightward from the home position by driving the loading motor 54, as shown in FIG. Thereby, the holding piece 56 of the loading plate 51 is engaged with the holding groove 18a of the housing 1, and the drive body 3 is positioned and held at the drive position 13. At the same time, the regulating pin 30 of the regulating member 28 is pushed rightward by the pushing portion 58 of the loading plate 51, the regulating member 28 is moved to the release position, and the advance of the stocker 2 is allowed. At the same time, the link lever 100 is rotated counterclockwise in the drawing through the engagement between the cam groove 64 of the loading plate 51 and the link pin 103 of the link lever 100, and the clutch lever 96 is turned clockwise in the drawing. The clutch member 91, 92 is rotated clockwise through the clutch pin 95 and moved rightward away from the moving gears 87, 89 to disengage the clutch.
[0079]
That is, in the state shown in FIG. 5, the drive body 3 is held at the drive position 13, the regulating member 28 is moved to the release position, and the clutch is disengaged.
[0080]
In this state, the rack is moved relative to the moving gear 90 which is rotated at a fixed position with respect to the housing 1 by driving the moving motor 71 (reversed with respect to the forward movement of the drive body 3). 27 is moved forward, and as shown in FIG. 2, the stocker 2 is moved forward from the opening 11 of the housing 1. At this time, the moving gears 87 and 89 on the upper surface of the frame 31 are also rotated, but only idlely run because the clutch is in the disengaged state. After the advance of the stocker 2 is completed, the moving motor 71 is stopped.
[0081]
Then, a CD is inserted from above into each disc loading groove 22 of the stocker 2 moved forward from the opening 11 of the housing 1 and loaded. The CD has a size of 12 cm and a size of 8 cm, and can be randomly loaded into each disk loading groove 22 of the stocker 2.
[0082]
After the loading of the CD, when the storage of the stocker 2 is instructed, the stocker 2 is retracted by driving the movement motor 71 (reversed when the stocker 2 moves forward), and is moved to a predetermined position in the housing 1. Will be accommodated.
[0083]
After the storage of the stocker 2, the moving motor 71 is stopped, and the driving of the loading motor 54 (the loading plate 51 is rotated in reverse with respect to the rightward movement) causes the loading plate to move as shown in FIG. 51 is moved to the home position in the left direction. As a result, the holding piece 56 of the loading plate 51 is disengaged from the holding groove 18a of the housing 1, and the drive body 3 is allowed to move in the front-rear direction. At the same time, the pushing of the regulating pin 30 by the pushing portion 58 of the loading plate 51 is released, the regulating member 28 is moved to the regulating position by the bias of the spring 29, and the advance of the stocker 2 is regulated. At the same time, the link lever 100 is rotated clockwise in the drawing through the engagement between the cam groove 64 of the loading plate 51 and the link pin 103 of the link lever 100, and the clutch lever 96 is turned counterclockwise in the drawing. The clutch member 91, 92 is rotated to the left so as to mesh with the moving gears 87, 89 via the clutch pin 95, and the clutch is engaged.
[0084]
Thus, the loading of the CD into the stocker 2 is performed.
[0085]
Next, the performance of a CD will be described.
[0086]
When a disc loading groove 22 in which a CD to be played is loaded is selected and selected, the drive unit 3 is moved to the position of the corresponding disc loading groove 22, as shown in FIG. 7 or FIG.
[0087]
For example, when the standby position of the drive unit 3 is set to the drive position 13, the drive unit 3 moves backward from the standby position, and the sensor 105 of the drive unit 3 detects the stocker 2. When the light beam passes through the slit 26 and counts the light-transmitting state at which light passes through the detection slit 26, the position of the selected disc loading groove 22 and the loading position of the drive unit 3 can be accurately determined. Positioned.
[0088]
After the drive body 3 is moved, the CD loaded in the selected disk loading groove 22 is loaded on the drive body 3 side, the drive body 3 is moved to the drive position 13, and the CD is played.
[0089]
Next, loading and playing of a 12 cm CD will be described with reference to FIGS.
[0090]
As shown in FIG. 7, after the drive unit 3 is moved to the position of the CD of 12 cm in the selected disk loading groove 22, the loading plate 51 is fixed by driving the loading motor 54 as shown in FIG. Moved left from position.
[0091]
As the loading plate 51 moves to the left, the pawl lever 111 is rotated upward through the engagement between the cam groove 61 of the loading plate 51 and the pawl lever pin 119 of the link 117, and the pawl lever 111 is moved to the stocker. 2 and is engaged with the outer peripheral edge of the CD, and the CD is pushed out of the disk loading groove 22 so as to roll toward the drive body 3.
[0092]
The pushed CD is engaged with the holder groove 129 of the holder portion 130 of the holder lever 114, and the holder lever 114 is pushed by the CD and rotated counterclockwise in the drawing. The rotation of the holder lever 114 is enabled by the link lever 100 and the link lever 131 being movably connected within a predetermined range. The lower side of the CD is engaged with the guide groove 121 of the holder arm 112 from the stocker 2 and is engaged with the holder groove 124 of the holder portion 125 of the holder plate 113 through the holder arm 112. Accordingly, the CD is held between the claw lever 111 and the holder lever 114 and between the holder arm 112 and the holder plate 113, and is held between the holder arm 112 and the holder plate 113. You.
[0093]
Through the engagement between the cam groove 62 of the loading plate 51 and the holder arm pin 122 of the holder arm 112, the holder arm 112 is rotated clockwise in the drawing, and following the pushing by the claw lever 111, the holder arm 112 Then, the CD is taken into the drive body 3. The pawl lever 111 is rotated in the counterclockwise direction in the figure, and returns to the initial position below the stocker 2.
[0094]
Further, as the loading plate 51 moves to the left, the branch point of the groove portions 62a and 62b of the cam groove 62 of the loading plate 51 reaches the holder arm pin 122 of the holder arm 112 and the loading plate 51 The loading plate pin 67 reaches the branch point of the groove portions 127a and 127b of the cam groove 127 of the holder plate 113.
[0095]
At this time, the holder plate 113 is urged upward by the spring 123 (see FIG. 12), but the upper side of the CD is pressed down by the holder lever 114, so that the holder plate 113 is lifted via the CD. Be regulated. When a CD of 12 cm is inserted between the holder plate 113 and the holder lever 114, the range in which the link lever 100 and the link lever 131 can move freely remains slightly. The holder lever 114 is directly connected to the loading plate 51 via the link levers 131 and 100, and the upward rotation of the holder lever 114 is restricted.
[0096]
Therefore, although the holder plate 113 is urged upward by the spring 123, since the upper side of the CD is pressed down by the holder lever 114, the elevation of the holder plate 113 is restricted by the CD, and the holder arm pin 122 Are engaged with the lower groove 62a, and the upper groove 127a is engaged with the loading plate pin 67. By this engagement, the vertical movement of the holder plate 113 is controlled by the cam grooves 62a, 127a.
[0097]
As described above, the CD captured while being sandwiched between the holder plate 113 and the holder lever 114 is captured at a position where the center hole of the CD coincides with the center of the pickup unit 43 and the chuck unit.
[0098]
After the CD is taken into a predetermined position of the drive body 3, the chuck pins 65 of the loading plate 51 are engaged with the rocking plate 44 to which the pickup unit 43 is attached, and the rocking plate 44 is rocked forward to pick up. The center hole of the CD is chucked between the turntable 41 of the unit 43 and the chuck unit. At this point, the loading motor 54 is temporarily stopped.
[0099]
The drive body 3 is moved forward by the drive of the movement motor 71 and stopped at the drive position 13.
[0100]
By re-driving the loading motor 54, as shown in FIG. 9, the loading plate 51 is further moved leftward, the holding pieces 56 are engaged with the holding grooves 18b, and the drive body 3 is positioned and held in the housing 1. Is done. At the same time, the holder lever 114 is rotated counterclockwise in the figure to separate from the CD, the holder plate 113 is lowered and separated from the CD, and the holder lever 114 is raised and separated from the CD. Therefore, the CD can be rotated while being chucked between the turntable 41 of the pickup unit 43 and the chuck unit, and the performance is performed by the rotation of the CD and the pickup operation.
[0101]
When the drive 3 is moved to the drive position 13, the disc surface of the CD in the drive 3 can be easily visually recognized through the window 12 of the housing 1. The title name displayed on the side (non-data recording side) can be visually recognized.
[0102]
On the other hand, when returning the CD in the drive body 3 to the stocker 2, the operation is performed in the reverse of the above-described performance. That is, first, from the state shown in FIG. 9, the loading plate 51 is moved rightward, the CD is held between the holder arm 112, the holder plate 113 and the holder lever 114, and the holding piece 56 is removed from the holding groove 18b. You. Thereafter, the drive unit 3 is moved to the position of the disk loading groove 22 for returning the CD of the stocker 2. After that, the loading plate 51 is moved rightward, the CD is pushed out toward the stocker 2 by the holder lever 114, and as shown in FIG. Through the disk loading groove 22.
[0103]
Next, loading and playing of an 8 cm CD will be described with reference to FIGS. The operation similar to the above-described loading and playing of a 12 cm CD will be briefly described.
[0104]
As shown in FIGS. 10 and 11, when the loading plate 51 is moved to the left and loading is started, an 8 cm CD in the stocker 2 is pushed out toward the drive body 3 by the pawl lever 111, and this CD is used. While pushing up the holder lever 114, the CD moves onto the holder arm 112, following the claw lever 111, the CD is taken into the drive body 3 side by the holder arm 112, and the CD moves onto the holder plate 113.
[0105]
As the loading plate 51 moves to the left, the branch point of the groove portions 62a and 62b of the cam groove 62 of the loading plate 51 reaches the holder arm pin 122 of the holder arm 112 and the loading plate of the loading plate 51 is moved. The pin 67 reaches the branch point of the groove portions 127a and 127b of the cam groove 127 of the holder plate 113.
[0106]
At this time, the holder lever 114 for holding the CD of 8 cm between the holder plate 113 and the holder plate 113 can sufficiently rotate upward because the link lever 100 and the link lever 131 have a sufficient free movement range. It has become. Therefore, the holder plate 113 urged upward by the spring 123 is raised without being pressed by the holder lever 114 as in the case of a 12 cm CD, and the holder arm pin 122 is engaged with the upper groove 62b. At the same time, the lower groove 127b is engaged with the loading plate pin 67. With this engagement, the vertical movement of the holder plate 113 is controlled by the cam grooves 62b and 127b.
[0107]
When the loading plate 51 is further moved to the left, the holder plate 113 is raised in parallel by the cam grooves 62b and 127b, the CD and the holder lever 114 are pushed up through the CD, and the center hole of the CD is moved to the pickup unit. It is taken into a position that coincides with the center of the chuck unit 43 and the chuck unit.
[0108]
Thereafter, the center hole of the CD is chucked between the turntable 41 of the pickup unit 43 and the chuck unit, and the drive body 3 is moved to the front drive position 13.
[0109]
Thereafter, as shown in FIG. 12, the loading plate 51 is further moved leftward, the holding pieces 56 are engaged with the holding grooves 18b, and the drive body 3 is positioned and held in the housing 1. At the same time, the holder lever 114, the holder plate 113 and the holder lever 114 are separated from the CD. Therefore, the CD can be rotated while being chucked between the turntable 41 of the pickup unit 43 and the chuck unit, and the performance is performed by the rotation of the CD and the pickup operation.
[0110]
In a state where the drive body 3 has moved to the drive position 13, the disc surface of the 8 cm CD in the drive body 3 can be easily visually recognized through the window 12 of the housing 1, and the 8 cm CD is rotating. You can visually check the performance status and the title name displayed on the label surface.
[0111]
On the other hand, when returning the CD of 8 cm in the drive body 3 to the stocker 2, the operation is performed in the reverse of the above-described performance. That is, first, from the state shown in FIG. 12, the loading plate 51 is moved rightward, the CD is held between the holder arm 112, the holder plate 113 and the holder lever 114, and the holding piece 56 is removed from the holding groove 18b. You. Thereafter, the drive unit 3 is moved to the position of the disk loading groove 22 for returning the CD of the stocker 2. Thereafter, the loading plate 51 is moved rightward, and the CD is pushed out toward the stocker 2 by the holder lever 114 while the CD is lowered together with the holder plate 113. As shown in FIG. 11, the raised pawl lever 111 is also added. The CD is returned to the disc loading groove 22 through the holder arm 112 while holding the CD.
[0112]
As described above, in the housing 1 having the window portion 12 on the front surface, the stocker 2 for stacking a plurality of CDs in the front-back direction with the disk surface facing the front surface of the housing 1 is provided. A drive body 3 is provided movably in the front-rear direction behind the window 12 and along the side of the stocker 2, and after loading an arbitrary CD from the stocker 2 into the drive mechanism 32 of the drive body 3, the drive body 3 Moves to the most advanced drive position 13 facing the window 12 of the housing 1 and drives the CD, so that the disk surface of the CD and the drive state of the CD can be visually recognized from the front of the housing 1.
[0113]
In addition, the CD can be easily attached to and detached from the stocker 2 with the stocker 2 advanced from the front of the housing 1.
[0114]
The drive unit 3 is moved in the front-rear direction by the drive unit moving mechanism 72 by the driving force of the movement motor 71, and the drive unit 3 is moved from the drive motor 71 by the clutch mechanism 73 while the drive unit 3 is moved to the drive position 13. By releasing the transmission of the driving force to the moving mechanism 72, the stocker moving mechanism 74 moves the stocker 2 forward and backward by the driving force from the moving motor 71. The stocker 2 can move forward and backward.
[0115]
In addition, the careless advance of the stocker 2 can be regulated by the regulating member 28. Further, the loading mechanism 33 is operated by moving the loading plate 51 to the left of the loading mechanism 33, and the loading plate 51 is moved to the right. As a result, the restriction by the restricting member 28 is released, so that the releasing mechanism of the restricting member 28 can be shared by the loading mechanism 33, so that a special releasing mechanism is not required and the structure can be simplified. Further, since the clutch mechanism 73 is released by moving the loading plate 51 to the right of the loading plate 33, the release of the clutch mechanism 73 can be shared by the loading mechanism 33, so that a special release mechanism is not required and the structure is simplified. it can.
[0116]
Further, since the drive body 3 moved to the drive position 13 is positioned and held by the holding mechanism 57, the drive state of the CD can be stabilized. Further, at the drive position 13, the movement of the loading plate 51 allows the holding pieces 56 of the loading plate 51 to be engaged with the holding grooves 18 a and 18 b of the housing 1 for positioning and holding, so that the holding mechanism 57 is shared by the loading mechanism 33. And the structure can be simplified.
[0117]
In addition, the center of the CD can be positioned at the center of the drive mechanism 32 in accordance with the diameter of the CD in the process of loading the CD from the stocker 2 to the drive mechanism 32 by the disk center positioning means 132 of the loading mechanism 33. Compatible with CD.
[0118]
Next, FIG. 13 shows a second embodiment.
[0119]
In the second embodiment, the forward / backward movement of the stocker 2 and the movement of the drive body 3 are performed by separate driving.
[0120]
A rack 151 is formed on the bottom plate of the housing 1 along the front-rear direction below the stocker 2. A stocker moving motor 152 is arranged on the rear upper side of the mounting table 21 of the stocker 2, and a drive gear 153 of the stocker moving motor 152 is arranged on the rear lower side of the mounting table 21. An intermediate gear 154 and a moving gear 155 to which the driving force is sequentially transmitted are rotatably supported on a shaft, and the moving gear 155 is meshed with the rack 151.
[0121]
The moving mechanism 34 on the drive body 3 side is separated from the stocker 2 side, and no drive force is transmitted.
[0122]
Then, the stocker 2 can be automatically advanced and retracted from the front surface of the housing 1 by the driving force of the stocker moving motor 152.
[0123]
When the forward and backward movement of the stocker 2 and the movement of the drive body 3 are performed by separate driving, a clutch that alternately switches between the forward and backward movement of the stocker 2 and the movement of the drive body 3 as in the first embodiment. The mechanism 73 is not required and can be simplified.
[0124]
The CD may be attached to and detached from the stocker 2 by, for example, opening the upper surface or side surface of the housing 1 so that the CD can be attached and detached.
[0125]
Further, the disc includes read-only, recording-only, and both recording and reproducing, and includes, for example, a compact disc, a video disc, a magneto-optical disc, a flexible magnetic disc, and the like. Further, the drive mechanism includes reproduction only, recording only, and both recording and reproduction. The drive means recording or reproduction of a disc, and includes rotation of the disc.
[0126]
【The invention's effect】
According to the disk changer device of the first aspect, a stocker for stacking a plurality of disks along the front-rear direction with the disk surface facing the front surface of the housing is provided in the housing having the window on the front surface. At the same time, a drive unit is provided movably in the front-back direction behind the window and along the side of the stocker, and after loading any disc from the stocker into the drive mechanism of the drive unit, the drive unit is opened Since the disk is driven by moving to the most advanced drive position facing the unit, the disk surface of the disk and the drive state of the disk can be viewed well from the front of the housing.
[0127]
According to the disk changer device of the second aspect, in addition to the effect of the disk changer device of the first aspect, the drive state of the disk is stabilized by positioning and holding the drive body moved to the drive position by the holding mechanism. Can be.
[0128]
According to the disk changer device of the third aspect, in addition to the effect of the disk changer device of the first or second aspect, the disk can be easily attached to and detached from the stocker with the stocker advanced from the front surface of the housing. it can.
[0129]
According to the disk changer device of the fourth aspect, in addition to the effects of the disk changer device of the first or second aspect, the stocker can be automatically advanced and retracted from the front surface of the housing by the driving force of the motor for moving the stocker. The disk can be easily attached to and detached from the stocker with the stocker advanced from the front of the housing.
[0130]
According to the disk changer device of the fifth aspect, in addition to the effect of the disk changer device of the second aspect, the drive body is moved in the front-rear direction by the drive body moving mechanism by the driving force of the moving motor, and the drive body is moved. By releasing the transmission of the driving force from the moving motor to the drive body moving mechanism by the clutch mechanism in a state in which is moved to the drive position, the stocker moving mechanism moves the stocker forward and backward by the driving force from the moving motor, The movement of the drive unit and the movement of the stocker can be performed by one moving motor, and the disk can be easily attached to and detached from the stocker with the stocker advanced from the front of the housing.
[0131]
According to the disc changer device of the sixth aspect, in addition to the effect of the disc changer device of the third or fourth aspect, an inadvertent advancement of the stocker can be restricted by the restricting member, and further, one of the loading plates of the loading mechanism. In addition to operating the loading mechanism by moving to the other side and releasing the restriction by the restricting member by moving the loading plate to the other side, the releasing mechanism of the restricting member can also be used as the loading mechanism, and a special releasing mechanism is not required, and the structure is reduced. Can be simplified.
[0132]
According to the disc changer device of the seventh aspect, in addition to the effect of the disc changer device of the fifth aspect, the loading mechanism is operated by moving the loading mechanism to one of the loading plates, and the loading mechanism is moved to the other of the loading plates. Since the clutch mechanism is disengaged by the movement, the disengagement of the clutch mechanism can be shared by the loading mechanism, and a special disengaging mechanism is not required and the structure can be simplified.
[0133]
According to the disk changer device of the eighth aspect, in addition to the effect of the disk changer device of the sixth or seventh aspect, the movement of the loading plate at the drive position causes the holding piece of the loading plate to move into the holding groove of the housing. Since it can be engaged and positioned and held, the loading mechanism can be used as the holding mechanism, and the structure can be simplified.
[0134]
According to the disk changer device of the ninth aspect, in addition to the effect of the disk changer device of the first aspect, in the process of loading the disk from the stocker to the drive mechanism by the disk center positioning means of the loading mechanism. Since the center of the disc can be positioned at the center of the drive mechanism in accordance with the diameter of the disc, discs having different diameters can be handled.
[Brief description of the drawings]
FIG. 1 is a perspective view of a disc changer device according to a first embodiment of the present invention.
FIG. 2 is a plan view showing a state where a stocker of the disc changer device has advanced.
FIG. 3 is a front view showing a part of a stocker and a drive body of the disk changer device.
FIG. 4 is a front view showing a part of a stocker and a drive body of the disk changer device, showing a connected state of a clutch mechanism and a state where the advancement of the stocker is restricted.
FIG. 5 is a front view showing a part of the stocker and the drive body of the same disc changer device, showing a disengaged state of the clutch mechanism and a state where the advancement of the stocker is released.
FIG. 6 is a plan view of a bottom plate of a housing of the disc changer device.
FIG. 7 is a front view of the disc changer device before loading a 12 cm compact disc.
FIG. 8 is a front view of the loading process of the compact disc of 12 cm following FIG.
FIG. 9 is a front view of the playing state of the compact disc of 12 cm following FIG.
FIG. 10 is a front view of the disc changer device before loading an 8 cm compact disc;
11 is a front view of the loading process of the compact disc of 8 cm following FIG.
FIG. 12 is a front view of the playing state of the 8 cm compact disc continued from FIG. 11;
FIG. 13 is a plan view of a disc changer device according to a second embodiment of the present invention, in which a stocker has advanced.
[Explanation of symbols]
1 housing
2 Stockers
3 Drive body
12 windows
18a, 18b Holding groove
28 Regulation members
32 drive mechanism
33 Loading mechanism
34 Moving mechanism
51 Loading plate
54 Loading motor
56 Holding piece
57 Holding mechanism
71 Moving motor
72 Drive body moving mechanism
73 Clutch mechanism
74 Stocker moving mechanism
132 Disk center positioning means
152 Stocker moving motor
CD disc

Claims (9)

A housing having a window on the front,
A stocker provided in the housing, in which a plurality of disks are accumulated along the front-back direction with the disk surface facing the front of the housing,
A drive mechanism that is provided behind the window in the housing and on the side of the stocker and drives the disk in a state where the disk surface faces the front of the housing, and detaches the disk between the stocker and the drive mechanism. A loading mechanism, and a drive unit having a moving mechanism for moving the disc in the front-back direction corresponding to an arbitrary disc position when loading the disc and moving the disc to the most advanced drive position facing the window of the housing when driving the disc. A disk changer device comprising: 2. The disc changer device according to claim 1, further comprising a holding mechanism for positioning and holding the drive body with respect to the housing at the drive position. 3. The disc changer device according to claim 1, wherein the stocker is provided so as to be able to advance and retreat from a front surface of the housing. 3. The disc changer device according to claim 1, wherein the stocker is provided so as to be able to move forward and backward from a front surface of the housing, and is moved forward and backward by a driving force of a motor for moving the stocker. The stocker is provided to be able to advance and retreat from the front of the housing,
The moving mechanism includes a moving motor, a drive body moving mechanism that moves the drive body in the front-rear direction by driving force from the moving motor, and a drive body moving mechanism from the moving motor to the drive body moving mechanism in a state where the drive body is moved to the drive position. A clutch mechanism capable of canceling the transmission of the driving force, functions as a part of the drive body moving mechanism, the drive body is moved to the drive position, and the clutch mechanism transmits the driving force from the moving motor to the drive body moving mechanism. 3. The disc changer device according to claim 2, further comprising a stocker moving mechanism for moving the stocker forward and backward by a driving force from a moving motor in a state where the transmission is released. A regulating member that is movable between a regulating position that regulates the advancement of the stocker and a release position that releases the regulation and is biased to the regulating position,
The loading mechanism has a loading motor and a loading plate that is reciprocated by a driving force from the loading motor. The movement of the loading plate to one side activates the loading mechanism, and the loading plate moves to the other side. 5. The disc changer device according to claim 3, wherein the regulating member is moved to the release position by the movement. The loading mechanism has a loading motor and a loading plate that is reciprocated by a driving force from the loading motor. The movement of the loading plate to one side activates the loading mechanism, and the loading plate moves to the other side. 6. The disc changer device according to claim 5, wherein the clutch mechanism is released by the movement. The holding mechanism has a holding groove provided in the housing corresponding to the drive position, and a holding piece provided on the loading plate engaged with the holding groove by movement of the loading plate. The disc changer device according to claim 6. 2. The loading mechanism according to claim 1, wherein the loading mechanism includes disk center positioning means for positioning the center of the disk at the center of the drive mechanism in accordance with the diameter of the disk during the loading of the disk from the stocker to the drive mechanism. 9. The disc changer device according to any one of claims 8 to 8.

Images