CN1103982A - Device for selective replaying of magnetic disc - Google Patents
Device for selective replaying of magnetic disc Download PDFInfo
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- CN1103982A CN1103982A CN 93112902 CN93112902A CN1103982A CN 1103982 A CN1103982 A CN 1103982A CN 93112902 CN93112902 CN 93112902 CN 93112902 A CN93112902 A CN 93112902A CN 1103982 A CN1103982 A CN 1103982A
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Abstract
On the shifting unit used for choosing proper disc, are provided No.1 and No.2 shifting base disc. While motor drives the driving bar, No.2 base disc is lifted through lever mechanism and No.1 basc disc is locked with No.2 base disc. Through position decision, locking plate shifting and coupling with positioner, No.1 base disc is fixed and the chosen disc is gripped tightly and accurately.
Description
The relevant device for selective replaying of magnetic disc of from many disks, selecting, driving required disk of the present invention, especially with can carry out disk really with simple structure and select, relevant with the drive division that can prevent to drive selected disk because of the vibrative device for selective replaying of magnetic disc of external force.
As the device for selective replaying of magnetic disc of selecting required disk from many disks, resetting, for example vehicle has reached degree of being practical with the disk transducer.
, many disks are packed into lay in the box of disk with in the disk transducer in conventional truck, from then on take out the action of resetting of required disk in the box.As in disk cartridge, taking out the structure that disk is reset, make the mobile chassis that is putting the disk unloading device towards from many disks, selecting the chosen position of wherein any disk to move, in this position, disk is drawn in the mobile chassis, then disk is transmitted to disk drive portion with mobile chassis, on the position after the transmission, make disk clamped and driven on turntable by revolution, and with the adapter action of resetting.
Yet, in above-mentioned disk transducer, since with mobile chassis with disk drive portion in the disk transmit, the action of resetting, in addition, owing to make the disk after the action of resetting return space in the disk cartridge, make from taking out disk, and make disk after the playback return in the disk cartridge chronic till next time disk is reset begin to the time that makes till the beginning of resetting with mobile chassis, for example at CD(compacting disk) occasion, make the quiescent interval of playback music elongated.
Therefore, consider to adopt the disk transducer that makes disk drive portion move mode shown in Figure 13.This disk transducer is provided with and is putting turntable 2 on it, drives the motor 3 of this turntable 2, disc clamp device 4, the moving part 1 of whole disk drive cage structures of adapter 5 grades.When all lifting moving that make this moving part 1, when the disk chosen position in disk cartridge M moves, take out disk D from disk cartridge M, in the moving part 1 that is positioned at this position action of resetting in this shift position.
If adopt this mode can shorten that disk takes out and disk swap time.
Yet still there is following point in disk transducer as shown in Figure 13.
(a) make moving part 1 produce lifting action and make and be easy to generate the height and position deviation when stopping.The narrow occasion in stacked interval of disk D in disk cartridge M makes moving part 1 and needs to select the relative position of disk D to stagger, and the situation of disk can not be reliably taken out in generation.In addition, in order to make the size decreases of all diagram left and right directions of disk transducer, the structure that taking-up state till considering to adopt the way of taking out disk D from disk cartridge is then reset disc clamp in moving part 1, yet, in this occasion, when on the stop position of moving part 1, deviation being arranged, the part of disk D clamped in moving part 1 and demarcation strip in the disk cartridge M or pallet etc. are collided, can not reliably turn round thereby make.
(b), thereby must produce because of becoming flexible that backlash etc. causes at Poewr transmission mechanism owing to make moving part 1 lifting with the power of motor.Therefore, in the vehicle occasion, because of body oscillating etc. can become the vibration of the moving part 1 in the action of resetting, this will produce baneful influence to the disk servo-actuated service or the service that focuses on, and in addition, also easily produce the playback track and jump.
(c) owing to must on moving part 1, put from disk cartridge M and take out the disk unloading device of required disk D and use to binding clasp 4 is moved, the clamp system of the cam that on turntable 2, disk D is clamped etc., thus make moving part 1 interior complex structure.Particularly must put the motor that becomes the drive source that drives the disk unloading device on moving part 1, therefore, the space that need guarantee to put this motor in moving part 1 makes the shape of this moving part 1 become very big.
(d) carry out playback time then when on moving part 1, taking out required disk D,, will the disk D that stay in the disk cartridge M be flown out to the direction of moving part 1 because of from external vibrations such as body oscillatings from disk cartridge M.In order to prevent this from occurring, need to prevent that limiting member that the disk D that retains flies out is arranged on the place ahead of disk cartridge M.Yet, for when selecting, taking out required disk D, otherwise move it the mobile alignment that the path was hindered and left disk D, be necessary to make this limiting member to be removed the back and covering on the position in disk cartridge M the place ahead and move at required disk D.Therefore the mechanism that makes this limiting member action must be set in addition, thereby make device construction complicated.
The 1st purpose of the present invention is required disk D is removed, is making moving part be positioned at the disk chosen position accurately in moving part in driven device, in addition, in this position, prevents that moving part from producing vibration.
The 2nd purpose of the present invention is to make the moving part simple structure, and can clamp disk really, in addition, need not set up additional space can will become the motor of the drive source of disk unloading device put at moving part.
The 3rd purpose of the present invention is to need not to be provided with special mechanism, can make to prevent that the non-selected disk that stays from preventing to fly out and move to the position that hides the disk mobile route with limiting member to what the moving part direction flew out.
According to device for selective replaying of magnetic disc of the present invention, it is characterized in that having disk unloading device that the arbitrary disk of taking-up is set in the position that portion is set near many disks and the moving part that supports the disk support that is removed disk and making this moving part in the selecting type disk reproducer structure of the driving mechanism that the chosen position of selecting arbitrary disk moves, the multi-level positions determination section of corresponding disk chosen position is set on framework, on above-mentioned moving part, be arranged on to chosen position and move constantly, make any one and the chimeric determining positions member of jog in the above-mentioned multi-level positions determination section.
In addition, in above-mentioned structure, the power that is provided with on moving part with motor and this common motor makes the disk unloading device to the action of disk removing direction, and to the power-supply change-over mechanism that the chimeric direction of determining positions member and arbitrary determining positions portion is moved.
In addition, at moving part the 1st of the disk clamping that will take out and clamping is set, the 2nd mobile chassis, above-mentioned disk unloading device is set on the 1st mobile chassis, above-mentioned determining positions member and above-mentioned power-supply change-over mechanism, spindle drive motor that drives disk and the driving motor that is arranged on this spindle drive motor the same area are set on the 2nd mobile chassis, make and be arranged on the 2nd mobile chassis, transmit above-mentioned driving motor power power transfering part and be arranged on the 1st mobile chassis, power is passed to the power transfering part of above-mentioned power-supply change-over mechanism, the formation spline is chimeric, and can allow the interval variation of two mobile chassis simultaneously.
Perhaps, the 1st mobile chassis that has disk unloading device and above-mentioned determining positions member in the moving part setting, with the 2nd mobile chassis that produces with above-mentioned driving mechanism to the displacing force of chosen position, and when making two mobile chassis approaching mutually, make selecteed disk clamped clamping component between two mobile chassis, on above-mentioned determining positions member, form sticking department, when moving, two mobile chassis are drawn back and make at interval locking, removing this locking when determining positions member and determining positions portion tabling direction are moved with this sticking department to chosen position.
And then, take out the path at the disk that portion is set from disk limiting member is set, take out member with disk and take out required disk, make it when above-mentioned determining positions member and determining positions portion tabling direction are moved, so the displacing force of determining positions member make above-mentioned limiting member towards moving staying the position that disk that disk is provided with portion takes out the path blocking.
In said apparatus, owing to be set to take out on the moving part of disk unloading device of disk the determining positions member is set thereon, when this moving part makes the determining positions member that is arranged on the moving part and is arranged on the arbitrary jog tabling in the multi-level positions determination section on the framework and the position of moving part is determined when the chosen position of selecting arbitrary disk moves.By the determining positions portion with framework is that benchmark stops moving part, can carry out determining positions with mutual high precision to arbitrary disk in a plurality of disks and moving part.In addition, can prevent that moving part from producing vibration because of external vibration.
In said apparatus,, in addition, can make the simple structure that puts the mechanism on moving part owing to, both are moved synchronously with same motor and same power-supply change-over mechanism's driving disk unloading device and determining positions member.
In said apparatus, because in the 2nd mobile chassis, the driving motor that drives disk unloading device etc. is arranged on same area with spindle drive motor, thereby does not need for the space of this driving motor is set.In addition,,, on the 1st mobile chassis, establish power-supply change-over mechanism even on the 2nd mobile chassis, establish driving motor owing to make power transfering part between the 1st, the 2nd mobile chassis, form splined engagement, can be with the power reliable delivery to this power-supply change-over mechanism.
In said apparatus, because with the spacing bias of the 1st, the 2nd mobile chassis and blocked locking component is arranged on the position decision member integratedly, make the locking of two mobile chassis or unlock with the action of this determining positions member and carry out the determining positions of moving part, the number of components of moving part is reduced and simple structure to framework.
In above-mentioned structure,, therefore do not need to be provided with in addition the mechanism of this limiting member of driving owing to make in order to prevent to stay disk that disk is provided with portion to the limiting member action that the moving part direction flies out with the displacing force of determining positions member.
Simple declaration to accompanying drawing.
Fig. 1 is the main body figure that schematically illustrates all structures of disk selecting type replay device one example of the present invention,
Fig. 2 represents the front view of mobile chassis travel mechanism for to see along the arrow 11 of Fig. 1,
Fig. 3 represents the front view of the interlock mechanism and the 1st mobile chassis determining positions mechanism of two mobile chassis for along seeing with Fig. 2 equidirectional,
Fig. 4 makes disk be in the front view of clamped condition for expression with the 1st and the 2nd mobile chassis,
Fig. 5 is the amplification plan view of expression as the gear wheel in large diameter structure of power-supply change-over mechanism,
Fig. 6 is the front view of expression gear wheel in large diameter drive division part,
Fig. 7 is the sectional view of a part among Fig. 6,
Fig. 8 is drawn out of the vertical view of preceding state for representing pallet,
Fig. 9 has been drawn out of the vertical view of state for representing pallet,
The disk cartridge stereographic map of Figure 10 for seeing from oblique upper,
The disk cartridge stereographic map of Figure 11 for seeing from oblique below,
Figure 12 is the in-built stereographic map of expression disk cartridge,
Figure 13 is for to make the figure that describes to traditional magnetic disk selecting type playback mechanism.
Below, with reference to accompanying drawing the embodiment of the invention is described.
Fig. 1 is the main body figure of expression disk selecting type replay device structure of the present invention overview, and among Fig. 1,10 is the box-shaped framework, and portion is provided with disk A of portion and the disk selection playback B of portion are set within it.Along the direction of arrow disk of Fig. 1 the A of the portion disk cartridge M that packs into is set.As in Figure 10～12 with described later, this disk cartridge M is a pellet type, shown in Fig. 1 tiltedly the right side be that disk is extracted out mouthful.
In addition, as shown in Figure 9, make the disk of packing into that selected pallet T among a plurality of pallet T in the disk cartridge M of the A of portion is set
1Be drawn out of halfway, make at disk select, a part that the B of playback portion becomes the disk D of clamped condition still remains under the state in the disk cartridge M and turns round driving.
At disk selection, the B of playback portion, the 1st mobile chassis 11 and the 2nd mobile chassis 12 that is positioned under it are set, constitute with two mobile chassis 11,12 and carry out the moving part that disk is selected, reset.Right part at illustrated disk selection, the B of playback portion fixedly installs two guide shafts 17,17 erectting from framework 10 bottoms, guides the above-mentioned the 1st and the 2nd mobile chassis 11,12 respectively along these guide shaft 17,17 free liftings.
As shown in Figure 3-4, on the 2nd mobile chassis 12, put the spindle drive motor of turntable 13 and this turntable of revolution driving, and the optical pickup unit (not shown) that makes the recorded information playback of the disk D that is driven by turntable.In addition, at the 1st mobile chassis 11 upper supports terminal block 15 is set.The axial region 15b of this terminal block 15 can freely be turned round on the 1st mobile chassis 11, in addition, be arranged on the pivot 15a of this axial region 15b upper end with laminated spring 16 supportings.As shown in Figure 3 and since with this laminated spring 16 be arranged on the 1st movable base plate 11 above, so laminated spring 16 makes terminal block 15 have the trend of going to diagram below.
Drive the 2nd mobile chassis 12 with the motor lifting.Now the structure to this lift drive mechanism describes.
The view of Fig. 2 for seeing along the arrow among Fig. 1 11.As shown in Figure 2, on the 2nd movable base plate 12, curved tabs 12a is set, the web joint 18 and 19 that constitutes the X connection is set in the inboard of this curved tabs 12a.Respectively web joint 18 being connected with connecting pin 21 with 19 central portion, is fulcrum thereby connect into web joint 18,19 with this connecting pin 21, also can produce X and be out of shape such freely turn round mutually.
Being supported to an end that makes a plate 18 can freely turn round around the fixed pivot pin 22 on the front side board 10a inner face that is arranged on framework 10, mobile fulcrum pin 23 is fixed on the other end of this web joint 18, this is moved in the slotted hole 12b that fulcrum pin 23 can form on the curved tabs 12a of the 2nd mobile chassis 12 is free to slide, one end of another web joint 19 can freely be turned round around the fixed pivot pin 24 on the curved tabs 12a that is arranged on the 2nd mobile chassis 12, be free to slide in the slotted hole 10c that the mobile fulcrum pin 25 on the other end that is fixed on web joint 19 can be formed at the supporting slice 10d from framework 10 bottom bend.
Shown in (2) among Fig. 2,, make the 2nd mobile chassis 12 at two web joints 18 and 19 overlap conditions when connecting pin 21 descends, descend to framework 10 bottom direction, shown in (3),, make the 2nd mobile chassis 12 be deployed condition and above diagram, move at two web joints 18 and 19 when connecting pin 21 rises.
As shown in Figure 1, the drive plate 26 that will drive above-mentioned web joint 18,19 is arranged on the outside of the front side board 10a of framework 10.This drive plate 26 is free to slide along (1)-(4) by pilot pin 27,27 guiding that are fixed on the above-mentioned front side board 10a.The long hole shape driver slot 26a that on drive plate 26, forms, make above-mentioned connecting pin 21 protruding from the hole (not shown) that forms at front side board 10a, can insert in the above-mentioned driver slot 26a with being free to slide.As shown in Figure 2, when drive plate 26 towards (4) when direction moves, above-mentioned connecting pin 21 is descended, and web joint 18,19 is overlapping, the 2nd mobile chassis 12 descends, when drive plate 26, makes because of driver slot 26a makes on the connecting pin 21 and lifts web joint 18 when direction moves to (1), 19 are the X shape launches, and will lift on the 2nd mobile chassis.
As shown in Figure 1, also be provided with and web joint 18 in the dorsal plate 10b inboard of framework 10, the 19 the same web joints that can produce the distortion of X shape, equally, drive this web joint with the drive plate 28 that is formed slopely being arranged on the dorsal plate 10b outside, the web joint that becomes with formation X shape makes the both sides lifting of the 2nd mobile chassis 12 from front side board 10a and dorsal plate 10b.In addition, it is symmetrical to become the relation of the fixed pivot pin 22,24 of web joint 18,19 of the relation of the fixed pivot pin of the web joint that makes dorsal plate 10b side and mobile fulcrum pin and front side board 10a side and mobile fulcrum pin 23,25.Therefore, the direction of motion symmetry of drive plate 28 and drive plate 28 when drive plate 28 moves to (1) direction, descends the 2nd mobile chassis 12, when moving to (4) direction, the 2nd mobile chassis 12 is risen.
As shown in Figure 1, being provided with in the inside of base plate 10e that disk is provided with the framework 10 of the A of portion to be the free rotating web joint 31 of fulcrum with pin 32.Can be inserted in the pin 33 on the end that is fixed on web joint 31 in the slotted hole 26b that forms on the bend of above-mentioned drive plate 26 with being free to slide, can being inserted in the pin on the other end that is fixed on web joint 31 34 in the slotted hole 28a that forms on the bend of drive plate 28 with being free to slide.Tooth bar 35 is fixed on the drive plate 28.Motor 36 is fixed on the inside of base plate 10e.The power that is arranged on the worm screw 37 on the output shaft of this motor 36 slows down with train of reduction gears 38, makes the pinion wheel 39 and tooth bar 35 engagements of the terminal that becomes tool gear set 38.
When with the power of motor 36 with tooth bar 35 when (1) direction drives, the drive plate 28 that becomes one with it is driven to (1) direction, by web joint 31 drive plate 26 is driven to (4) direction.At this moment, with the web joint 18,19 of front side board 10a side and the web joint of dorsal plate 10b side the 2nd mobile chassis 12 is descended.When motor 36 outputs revolution in the other direction, drive tooth bar 35 and drive plate 28 and drive drive plate 26 towards (1) direction towards (4) direction with by web joint 31, the 2nd mobile chassis 12 is risen.
On drive plate 26, form pitch drives groove 26a, on drive plate 28, also form the driver slot of inclination, owing to this linear driver slot web joint and mutual connecting pin 21 are driven continuously, thereby lifting drives the 2nd mobile chassis 12 linearly, its position is produced continuously change.
Then, interlock to making the 1st and the 2nd mobile chassis 11,12 reciprocal interlockings and releasing, and framework 10 determines the determining positions of the 1st mobile chassis position, interlock mechanism to describe relatively.
Fig. 3 represents the relation of the 1st and the 2nd mobile chassis 11,12.As previously mentioned, make 12 liftings of the 2nd mobile chassis, be provided with at this 2nd mobile chassis 12 and position 11 of the 1st mobile chassis thereon sticking department is set on it, as determining positions, the lockplate 41 of location decided part with the action of the X-shaped of web joint 18,19.As shown in Figure 3 determining positions, connection lockplate 41 are set in the inboard of the front side board 10a of framework 10 shown in Figure 1, also are provided with above-mentioned determining positions, lockplate 41 in the inboard of the dorsal plate 10b of framework 10 shown in Figure 1 and are direction symmetry, identical determining positions, the lockplate 45 of action.
As shown in Figure 3, in determining positions, decide on the plate 41 to form a pair of slotted hole 41a, 41a, on the curved tabs 11a of the 1st mobile chassis 11 and the place ahead bending, fixing a pair of pin 42,42, with this pin 42,42 slotting leading in above-mentioned slotted hole 41a, 41a, in view of the above, become and make determining positions, lockplate 41 relative the 1st mobile chassis 11 are free to slide relatively along (1)-(4) direction.
On determining positions, lockplate 41, form window 41b, form lock slots 41c in the bottom side of this window 41b as sticking department.With the part of this window 41b and lock slots 41c correspondence, the locking plate 12c that stretches out to the front as shown in Figure 3 is set on the 2nd mobile chassis 12.In addition, at the same locking recess 41h that forms as sticking department in the bottom, diagram left side of determining positions, lockplate 41.As shown in Figure 3, to the state that (1) direction moves, make above-mentioned lock slots 41c and locking plate 12c chimeric by pin 42,42 guiding at determining positions, jam plate 41, in addition, make locking recess 41h chimeric with the said fixing fulcrum pin 24 that is fixed on the 2nd mobile chassis 12.Its result makes the 1st and the 2nd mobile chassis 11,12 keep the interval of representing with H, makes with determining positions, lockplate 41 to interconnect locking.In addition, it is also identical to be positioned at the function of determining positions, lockplate 45 of dorsal plate 10b inboard.
In addition, on determining positions, lockplate 41, be provided with to diagram front bent position decision sheet 41d, 41e as Fig. 3.As shown in Figure 1, at two places of the front side board 10a of framework 10 portion of determining positions mechanism 43,44 is set.On position determination means portion 43 and 44, form six layers of determining positions groove 43a～43f and 44a～44f as determining positions portion.As shown in Figure 3, work as determining positions, lockplate 41 moves along (1) direction, when the 1st and the 2nd mobile chassis 11 and 12 locks mutually, each determining positions sheet 41d and 41e are from separately portion of determining positions mechanism 43,44 determining positions groove is left away, yet work as determining positions, lockplate 41 moves to 41 directions, be about to the 1st, the 2nd mobile chassis 11, before 12 the latch-release, make any one tabling among the determining positions groove 43a～43f of determining positions sheet 41d and portion of above-mentioned determining positions mechanism 43, simultaneously, make any one tabling among the determining positions groove 44a～44f of determining positions sheet 41e and portion of above-mentioned determining positions mechanism 44, thereby the 1st mobile chassis 11 is carried out the determining positions of relative framework 10.For example, Fig. 4 represents the determining positions groove 44f tabling of the superiors of the determining positions sheet 41e of determining positions, lockplate 41 and portion of determining positions mechanism 44, and among the figure during determining positions groove 43f tabling of the superiors of abridged determining positions sheet 41d and portion of determining positions mechanism 43 the 1st mobile chassis 11 be positioned at the determining positions state of uppermost position in fig-ure.
Determining positions state at this 1st mobile chassis 11, because the 1st and the 2nd mobile chassis 11 and 12 locking are disengaged, with above-mentioned web joint 18,19 and then make 12 risings of the 2nd mobile chassis, as shown in Figure 4, make the disk D that takes out from disk cartridge M clamped two mobile chassis 11 and 12.
As previously mentioned, in dorsal plate 10b inboard determining positions, lockplate 45 are set also, determining positions as shown in Figure 3, lock slots 41c, the locking recess 41h of lockplate 41 and the structure part that is equivalent to determining positions sheet 41d, 41e also are set on this determining positions, lockplate 45.This determining positions, lockplate 45 move along determining positions, lockplate 41 symmetry directions with front side board 10a side, therefore, 46 each the determining positions groove 46a～46f of portion of determining positions mechanism and the 47a～47f that are arranged on the dorsal plate 10b are formed along decision groove 43a～43f and 44a～44f symmetry direction with front side board 10a side.In dorsal plate 10b side, when determining positions, lockplate 45 to (1) when direction moves, because the 1st and the 2nd mobile chassis 11,12 not interlockings, and make the determining positions sheet embedded location decision groove 46a～46f and the 47a～47f that are arranged on the position decision lockplate 45, thereby make the position of the 1st mobile chassis 11 relative frameworks obtain decision.
Below, with Fig. 8 to above-mentioned two positions determine, lockplate 41 and 45 relation describe.
As shown in Figure 8, a determining positions, lockplate 41 are arranged on the inboard of the place ahead curved tabs of the 1st mobile chassis 11, make its pass through as shown in Figure 3 pin 42,42 relatively curved tabs 11a be supported along (1)-(4) direction with moving freely.In addition, equally also determining positions, lockplate 45 are arranged on the inboard of curved tabs 11b of the edgewise bend that supports or opposes of the 1st mobile chassis 11, make its relatively this curved tabs 11b be supported to (1)-(4) direction with moving freely.
Curved tabs 41f is arranged on the diagram right side of a determining positions, lockplate 41, on this curved tabs 41f, forms slotted hole 41g.But by pin 25 with interlock plate 51 free rotaring ground supportings on the 1st mobile chassis 11, the pin that is fixed on this interlock plate 51 53 is inserted in the above-mentioned slotted hole 41g.The top of Fig. 8 represents that web joint 54 moves freely along (7)-(6) direction in the inboard of the curved tabs 11c of the 1st mobile chassis 11.Curved tabs 54a is arranged on the diagram right part of this web joint 54, forms slotted hole 54b thereon.Pin 55 is arranged on the above-mentioned interlock plate 51, this pin 55 is inserted in the slotted hole 54b.
The 2nd interlock plate 56 is arranged on the inboard of the 1st mobile chassis 11 on Fig. 8 top.But be designed to these the 2nd interlock plate 56 free rotaring ground supportings on the guide shaft 17 that the 1st and the 2nd mobile chassis 11,12 can be supported free lifting, and energy and 11 1 liftings of the 1st mobile chassis.Curved tabs 54 is arranged on the above-mentioned web joint 54, on this curved tabs 54, forms slotted hole 54d, the pin 57 that is arranged on above-mentioned the 2nd interlock plate 56 is inserted in this slotted hole 54d.In addition, on the curved tabs 45a on the upper end that is arranged on the above-mentioned determining positions of rear side, lockplate 45, form slotted hole 45b, the pin 58 that is arranged on the moving plate 56 is inserted in this slotted hole 45b, in Fig. 8,, determining positions, lockplate 41 are driven towards (4) direction when driving 1 to counter-clockwise direction, in addition, interlock plate 54 is driven towards (6) direction, and then, by the 2nd interlock plate 56 determining positions, lockplate 45 are driven towards (1) direction.
But will be on the 1st mobile chassis 11 as gear wheel in large diameter 61 free rotaring ground supportings of power-supply change-over mechanism with axle 60.Drive above-mentioned interlock plate 51 and disk described later taking-up bar 72 with this gear wheel 61.
At first, to these gear wheel 61 rotating driving mechanisms are described.
As shown in Figure 5, make the tooth 61b engagement of pinion wheel 62a and gear wheel 61.Make intermediate diameters gear 62b and pinion wheel 62a form one.As shown in Figure 6, can freely turn round the axle 63 that is supported to this pinion wheel 62a and gear 62b is fixed on high rising and is formed on the support plate 11d of the 1st mobile chassis 11 tops.Make top driven wheel 65a and gear 62b engagement.Six prismatic 65b are arranged on the bottom of this top driven wheel 65a integratedly, as shown in Figure 7, but also with gear 62b and six prismatic 65b free rotaring ground supportings on the axle 64 that is fixed on the 1st mobile chassis 11.
In addition, will
The gear stand 66 of shape be fixed on the 2nd mobile chassis 12 below, but bottom driven wheel 67a free rotaring ground supporting is being fixed on the base plate 66a of this gear stand 66.Upper interior at this bottom driven wheel 67a forms hexagon ring 67b, six prismatic 65b are inserted in this hexagon ring 67b, make top driven wheel 65a and bottom driven wheel 67a form splined engagement with six prismatic 65b and hexagon ring 67b exactly, top driven wheel 65a and bottom driven wheel 67a are turned round together, and, form when in the 1st mobile chassis 11 and 12 formation of the 2nd mobile chassis when being spaced apart the slit of H value, by the relative slip of six prismatic 65b and hexagon ring 67b, can keep the engagement relationship of two driven wheel 65a and 67a.In addition, with motor 69 be fixed on the 2nd mobile chassis 12 below, make the worm screw (not shown) that is arranged on this motor 69 output shaft 69a and bottom driven wheel 67a engagement.The power of this motor 69 is delivered to top driven wheel 65a through bottom driven wheel 67a, and then is passed to gear wheel 61 by gear 62b and pinion wheel 62a.
In addition, as shown in Figure 6, since the motor 69 that will drive gear wheel 61 be arranged on the 2nd mobile chassis 12 following with same area above-mentioned spindle drive motor 14, because of unnecessary special arrangements are the exceptional space that this motor 69 is set, thereby help the thin typeization of device.Because pinion wheel 62a, gear 62b and each driven wheel 65a, 67a are located in the trigonum E of the disk D periphery outside that selections, reproducing unit B take out, the flat shape of device is become greatly again because of these gears are set.
On above-mentioned gear wheel 61, form model groove 61a, the follower peg 71 that is arranged on the lever portion of above-mentioned trace 51 can be inserted in this model groove 61a with being free to slide.
On the 1st mobile chassis 11, establish and take out lever 72.But this is taken out lever 72 free rotaring ground supportings on the 1st mobile chassis 11 with axle 73.Take out formation model groove 72a on the lever 72 at this.On gear wheel 61, establish sliding pin 74, this sliding pin 74 can be inserted in the model groove 74a with being free to slide.Form linear sliding tray 11e on the 1st mobile chassis 11, will take out hook 75 can be bearing in this sliding tray 11e with being free to slide.On taking out hook 75, this forms pin 75a.On the top of above-mentioned taking-up lever 72, form slotted hole 72b, above-mentioned pin 75a is inserted in this slotted hole 72b,, make and take out the rotary track revolution that lever 72 is followed sliding pin 74, taking-up hook 75 is moved along above-mentioned sliding tray 11e when driving gear wheel 61.By the revolution of gear wheel 61, make taking-up hook 75 slide, move between position shown in Figure 9, to the diagram right the pallet T that in disk cartridge M, selects in the position from Fig. 8
1Select to disk, take out the disc clamp position of reproducing unit B.
Fig. 5 amplifies the shape that is illustrated in model groove 61a that forms on the gear wheel 61 and the model groove 72a that forms on taking-up lever 72.
The model groove 61a that forms on gear wheel 61 has the 1st curve part (a) and the 2nd curve part (b).Have arc sections (c) and line part (d) at the model groove 72a that takes out formation on the lever 72.When gear wheel 61 becomes phase place shown in Figure 9 from Fig. 5 and phase place shown in Figure 8 along the clockwise revolution, drive taking-up lever 72 by sliding pin 74 to clockwise, taking-up hook 75 is moved when right-hand member shown in Figure 9, this moment, becoming the axle that the arc sections (c) that makes model groove 72a is positioned at gear wheel 61 60 is on the arc track at center.
At the state of Fig. 5, make gear wheel 61 along counter-clockwise direction revolution, make by sliding pin 74 and take out lever 72 and move along counter-clockwise direction.In addition, make the follower peg 71 that is arranged on the trace 51 be positioned at the end of the 1st curve part (a) of model groove 61a.At this moment, trace is turned round to clockwise, therefore, determining positions, lockplate 41 (1) direction in Fig. 8 is moved, the determining positions symmetrical with it, lockplate 45 are moved to (4) direction by this trace 51.
When with motor 69(referring to Fig. 6) drive gear wheel 61 from state shown in Figure 5 to clockwise sliding pin 74 slided in model groove 72a, driving taking-up lever 72 to clockwise in view of the above makes the sliding trace of sliding pin 74 in model groove 72a of this moment move to the position of groove terminal point (ⅱ) from the position of the starting point (ⅰ) of groove, and then return at line part (d), return (ⅲ) position of major trough central authorities.Slide at sliding pin 74 during the position of (ⅲ), taking out the right-hand member that the sliding tray 11e of hook 75 along formation on the 1st mobile chassis 11 is transferred to Fig. 8, can be with taking out hook 75 with the pallet T in the disk cartridge M
1Take out fully.Yet this moment, make follower peg 71 only move to terminal point (ⅴ) position of the 1st curve part (a) from groove starting point (ⅳ) position.Because during follower peg 71 moves to (ⅴ) position from (ⅳ) position, only drive trace 51 to counter-clockwise direction slightly, make determining positions, lockplate 45 to the amount of movement of (1) direction with make determining positions, lockplate 41 very little to the amount of movement of (4) direction, at this moment, owing to the lock slots 41c among Fig. 3 is not extracted from locking plate 12c, will not lock recess 41h equally extracts from fixed pivot pin 24, in addition, do not make in the determining positions groove of determining positions sheet 41d and 41e in-position determination means portion 43 and 44 yet.
When make take out hook 75 and move to Fig. 8 right-hand member after, when clockwise drives gear wheel 61, make sliding pin 74 as shown in Figure 9, only in the arc sections (c) of model groove 72a of arc position that with axle 60 is the center, move, the angle of taking-up lever 72 does not change.During sliding pin 74 slides in arc sections (c), follower peg 71 is slided in the 2nd curve part (b) of model groove 61a, make trace 51 do bigger revolution with this 2nd curve part (b) to counter-clockwise direction, make determining positions, lockplate 41 to (4) direction significantly move with trace 51 this moment, by connecting link 54 and the 2nd trace 56 determining positions, lockplate 45 significantly moved to (1) direction.
Exactly during making gear wheel 61 return back to phase place shown in Figure 9 along clockwise from phase place shown in Figure 5, initial, drive taking-up lever 72 and take out hook 75 to clockwise, the pallet T that in disk cartridge M, chooses to the driving of diagram right
1Take out.After this taking-up is finished, and then gear wheel 61 is turned round to clockwise, significantly activation point decision, lockplate 41 and 45, for example by making the determining positions among Fig. 3, lockplate 41 moves to (4) direction, make lock slots 41c leave locking plate 12, in addition, make locking recess 41h leave fixed pivot pin 24, two mobile chassis 11 and 12 go out of lock, by being positioned in arbitrary determining positions groove in the portion of determining positions mechanism 43,44, determining positions sheet 41d and 41e carry out determining positions, the determining positions of lockplate 41 and the 1st mobile chassis 11 relative frameworks 10.The action of determining positions, lockplate 45 too, making the taking-up lever after the clockwise revolution, move to (1) direction by making determining positions, lockplate 45, the 1st mobile chassis 11 is carried out determining positions, and make the latch-release of the 1st and the 2nd mobile chassis 11,12.
Like this, after making taking-up lever 72 finish the taking-up action,, can carry out the pallet that prevents described later and fly out with the action timing of limiting member 81 by activation point decision, lockplate 41 and 45.Fig. 8 and Fig. 9 represent the flat shape of this limiting member 81, and Figure 12 represents the relation of this limiting member 81 and disk cartridge M.
This limiting member 81 is by sheet bending being become V font or U font margining tablet 81a, the oblique plate 81c of Xiang Lianing and constitute therewith with supporting slice 81b that its base portion forms one, but with this supporting slice 81b free rotaring ground supporting on the axle 82 that is arranged on the framework 10 base plate 10e.In addition, with spring 83 limiting member 81 is had to conterclockwise trend.With this elasticity trend, turn round on the position that margining tablet 81a is dotted in Fig. 8.At this state, become margining tablet 81a is hidden to the side from the taking-up route of pallet T, do not counteract state to taking out pallet T.As previously mentioned, initial by the revolution of gear wheel 61, make and take out lever 72 revolutions, take out pallet T with taking out hook 75
1, after finishing this and taking out, activation point decision, lockplate 45 be significantly towards (1) direction, yet, making determining positions this moment, lockplate 45 tilts and the pressing tablet 45c that forms pushes the oblique plate 81c of limiting member 81 to the diagram left end.In view of the above, make limiting member 81 return back to the position of representing with solid line among Fig. 8 and Fig. 9, the place ahead that remains in the pallet in the disk M is covered, can prevent that pallet flies out from disk cartridge M here.In addition, as shown in Figure 9, owing to make the margining tablet 81a of the limiting member 81 under this state be arranged in the pallet T of taking-up
1The rear of sidepiece arc sections 91, the pallet T in preventing taking out here returns in disk cartridge M.
Below, the structure that the subtend disk of packing into shown in Figure 1 is provided with the disk cartridge M of the A of portion describes.
Figure 10 is the stereographic map of the disk cartridge M that sees from oblique upper, the stereographic map of Figure 11 for seeing from oblique below, and Figure 12 is the in-built stereographic map of expression disk cartridge M.
In disk cartridge M, lay a plurality of pallet T, on each pallet T, disk D is set.In addition, in device for selective replaying of magnetic disc shown in Figure 1, form 6 layers that represent with determining positions groove 43a～43f and 44a～44f etc. in the portion of determining positions mechanism on being arranged on front side board 10a and dorsal plate 10b 43,44,46,47 respectively, determining positions, lockplate 41 that energy links to each other with the 1st mobile chassis 11 with 6 layers of handle, 45 mobile height pins, formation can be selected the structure of arbitrary pallet T from 6 pallet T, and by disk cartridge M shown in Figure 10～12, the figure shows and can lay 4 pallet T.
As shown in figure 11, form multistage sliding tray 92a on the inner face of disk cartridge M two side, 92b can be placed in this sliding tray 92a with each pallet T with being free to slide, in the 92b, becomes and each pallet T can be taken out from the conveying end Ma of disk cartridge.
Lay recess 93 in each circle that formation can be provided with disk D above the pallet T respectively as shown in figure 12, in addition,, form U font center pit 94 by lay the bottom upper shed of recess 93 at this.In addition, following the facing down at the place ahead of pallet T plate 97 forms the recess 95 of the part circular that links to each other with above-mentioned center pit 94.When taking out pallet T
1Position disk D is thereon gone up act, make from the pallet T that has been removed
1The disk D that leaves of the portion of laying 93 be positioned at 95 of the recesses that this lays the part circular shape below recess 93 and the position pallet T thereon, and driven by revolution.In addition, as shown in figure 11, on the top board inner face of disk cartridge M, also form the recess 98 of part circular shape, when the pallet T with topmost takes out, the disk D on this pallet T is gone up act, disk D is driven in the space of laying recess 93 and above-mentioned recess 98.
In addition, make the teat 96 that engages with above-mentioned taking-up hook 75 in the formation of the place ahead of each pallet T.
Below, a series of actions of the device for selective replaying of magnetic disc of above-mentioned structure is described.
Do not carrying out the disk playback time, making the gear wheel 61 that is positioned at above the 1st mobile chassis 11 to the counter-clockwise direction revolution, and become Fig. 1, Fig. 5 and phase place shown in Figure 8.At this moment, make the sliding pin 74 of gear wheel 61 be positioned at the groove initiating terminal of the arc sections (c) of the model groove 72a that takes out lever 72, make and take out lever 72 and turn round to counter-clockwise direction.
In addition, make the follower peg 71 that is positioned on the trace 51 be positioned at the groove initiating terminal of the 1st curve part (a) of the model groove 61a of gear wheel 61, become and make trace 51 to the clockwise turn state.Therefore, make the determining positions that links to each other with this trace 51 by pin 53.Lockplate 41 moves to (1) direction.And then, connecting link 54 (7) direction in Fig. 8 that links to each other with trace 51 by pin 55 is moved, make by the 2nd trace 56 therewith the determining positions, the lockplates 45 that link to each other of connecting link 54 move to (4) direction.
As shown in Figure 3, at determining positions, lockplate 41 to (1) direction mobile status, the locking plate 12c that makes the lock slots 41c that is arranged on this determining positions, the lockplate 41 and stretch out from the 2nd mobile chassis 12 is chimeric, and locking recess 41h and the fixed pivot pin 24 that is fixed on the 2nd mobile chassis 12 are chimeric.Because determining positions, lockplate 41 are bearing on the pin 42,42 that is arranged on the 1st mobile chassis 11, become by determining positions, lockplate 41 the 1st, the 2nd mobile chassis 11,12 is locked mutually along separating predetermined distance H up and down.
In addition, owing to make a pair of determining positions sheet 41d that is arranged on position decision, the lockplate 41,41e is the portion of determining positions mechanism 43 from the front side board 10a that is formed on framework 10 jointly, 44 determining positions groove 43a～43f and any one among 44a～44f are all thrown off, therefore, first mobile chassis 11 is in the position in framework 10 and does not determine state.Be positioned at the action of the determining positions plate 45 of its symmetric position too, at this moment, owing to make the 1st, the 2nd mobile chassis 11 by determining positions lockplate 45,12 lockings mutually, make determining positions plate 45 also not with the determining positions groove 46a～46f, the 47a～47f that are arranged on the portion of determining positions mechanism 46,47 on the backplate 10b in any one is chimeric.
In addition, move to (4) direction, make the pressing tablet 45c that on its diagram left part, forms leave limiting member 81, make this limiting member 81 be attitude shown in dotted lines in Figure 8 because of the elastic force of spring 83 shown in Figure 12 by making determining positions, lockplate 45.
Under this state, carry out the filling of disk cartridge M.As shown in Figure 1, make conveying end Ma be in towards disk select, the state of the B of playback portion carries out the filling of disk cartridge M to the direction of arrow.When carrying out disk cartridge M when filling, as shown in the figure, the taking-up hook 75 that moves to the diagram left will enter the inboard of the teat 96 of any one pallet T in the disk cartridge M.
Carry out selection action by driving motor shown in Figure 1 to pallet T that required disk D is set on it.The power of this motor 36 is passed to tooth bar 35 from train of reduction gears 38 through pinion wheel 39, driving tooth bar 35 moves along (1)-(4) direction, meanwhile driving driving stem 28 moves along equidirectional, by connect 31 with this transmission of power to another driving stem 26, thereby drive two driving stems 28,26 along the symmetry direction continuous motion.As shown in Figure 2, the driver slot 26a that is used on the driving stem 26 inclination that forms drives connecting pin 21 and produces elevating movements, and it is closed or open to make the web joint 18 and 18 that accompanies therewith be the X shape.Owing to web joint 18 is arranged between front side board 10a and the 2nd mobile chassis 12 by fixed pivot pin 22 and mobile fulcrum pin 23, in addition, also web joint 19 is arranged between framework supporting slice 10d and the 2nd mobile chassis 12 by fixed pivot pin 24 and mobile fulcrum pin 25, therefore, by web joint 18,19 are the open and close action of X state, and the 2nd mobile chassis 12 is moved up and down.
In addition, as previously mentioned,, the 1st mobile chassis 11 is kept under the situation that is spaced apart H at relative the 2nd mobile chassis 12 moved up and down together owing to the 1st mobile chassis 11 and the 2nd mobile chassis 12 are locked mutually with determining positions, lockplate 41,45.
By moving up and down of the 1st and the 2nd mobile chassis 11 and 12, carry out the selection of disk cartridge M inner pallet T.During filling by for example conducting disk box M, make the 1st, the 2 mobile chassis 11,12 move to foot, from start motor 36 shown in Figure 1 this moment, with driving stem 26,28 and web joint 18,19 the 2nd mobile chassis 12 is risen continuously, detect the gyration time of motor 36 this moment, in addition, configuration codes device on the gyroscopic output route of motor 36 carries out the control of above-mentioned chosen position to revolution counter.Perhaps also can control by the detection tooth bar or the straight line shift position of driving stem 26,28 and the detection part of displacement are set.Move the height and position of controlling and detect the 1st, the 2 mobile chassis 11,12 by above-mentioned any detection.
If the 1st, the 2 mobile chassis 11,12 is to required disk D(pallet T) chosen position move, motor 36 is stopped.
Then, make be arranged on the 2nd mobile chassis 12 the insides motor 69(referring to Fig. 6) starting.Make the revolution of the output shaft 69a of this motor 69 be passed to bottom driven wheel 67a, the splined engagement of this turning power by hexagon ring 67b and six prismatic 65b is passed to top driven wheel 65a from worm screw (not shown).The turning power of top driven wheel 65a is passed to gear 62b, is passed to gear wheel 61 from the pinion wheel 62a that fuses with it, thereby gear wheel 61 is driven to clockwise.
By making gear wheel 61 to clockwise revolution initial specification angle, the sliding pin 74 that is arranged on the gear wheel 61 is slided in taking out lever 72 model groove 72a, turn back to the centre position of (ⅲ) groove through the terminal location of (ⅱ) groove from the initiating terminal position of (ⅰ) shown in Figure 5 groove, make and take out lever 72 and be driven, make the taking-up hook 75 that links to each other with its top right-hand mobile to diagram from the position of Fig. 8 to clockwise.At this moment, with taking out hook 75 with the selecteed pallet T in the disk cartridge M
1Teat 96 to the diagram right-hand drawing, thereby make pallet T
1Be removed at the 1st mobile chassis 11 and 12 of the 2nd mobile chassis.
In addition, till making this moment the follower peg 71 that is arranged on the trace 51 move to the terminal location (ⅴ) of the 1st curve part (a) from the position, top (ⅳ) of model groove 61a shown in Figure 5, yet this motion track makes trace 51 turn round very low-angle to counter-clockwise direction.Therefore, make driven determining positions, lockplate 45 make the pressing tablet 45c of its left end leave limiting member 81 when direction moves to (4) with this trace 51 and connecting link shown in Figure 8 54.Therefore, make limiting member 81 because of spring 83(referring to Figure 12) elastic force turn round to clockwise, become the attitude that dots among Fig. 8, form pallet T in disk cartridge M, taking out
1Mobile alignment do not hinder.
Take out lever 72 to the clockwise revolution making, with take out hook 75 with pallet T when the diagram right is drawn, as previously mentioned, the position that the usefulness (V) that makes the follower peg 71 that is arranged on the trace 51 be positioned at model groove 61a is represented.When so when clockwise continue to drive gear wheel 61, make follower peg 71 move to the groove terminal of usefulness (ⅵ) expression along the 2nd curve part (b) of model groove 61a like this till, make follower peg 71 from (ⅴ) position during move (ⅵ) position, significantly drive trace 51 to counter-clockwise direction.In addition, sliding pin 74 is only moved in the arc sections (c) of the model groove 72a in Fig. 9, the position of taking-up lever 72 is become as shown in Figure 9.
When counter-clockwise direction significantly drives trace 51, drive determining positions shown in Figure 3, lockplate 41 to (4) direction, in addition, with connecting link 54 and the 2nd trace 56(with reference to Fig. 8) drive determining positions, the lockplate 45 that is in symmetric position to (1) direction.
When in Fig. 3, to the decision of (4) direction activation point, lockplate 41, the joint of groove 41c and locking plate 12c that unlocks, and locking recess 41h is taken off from fixed pivot pin 24, thus remove the locking of two mobile chassis 11,12.In addition, in front of it, make any tabling among determining positions groove 43a～43f, the 44a～44f of the portion of determining positions mechanism 43,44 on the front side board 10a that is arranged on determining positions sheet 41d and the 41e on position decision, the lockplate 41 and is arranged on framework 10.When the determining positions that is in symmetric position, lockplate 45 move to (1) direction, remove the 1st and the 2nd mobile chassis 11 with this determining positions, lockplate 45,12 locking, and make and be arranged on the determining positions sheet on position decision, the lockplate 45 and be arranged on portion of determining positions mechanism 46 on the dorsal plate 10b and any tabling among 47 determining positions groove 46a～46f, the 47a～47f.By making each position determination means portion 43,44,46,47 tabling on this two positions decision, lockplate 41,45 and front side board 10a and the dorsal plate 10b, carry out the determining positions of the 1st mobile chassis 11 relative frameworks 10 by determining positions, lockplate 41,45.
Fig. 4 represents to carry out the selection occasion of the pallet T of the superiors in the disk cartridge M, in this occasion, the determining positions sheet 41e of determining positions, lockplate 41 and the topmost bit position of portion of determining positions mechanism 44 decision groove 44f engage, the topmost bit position decision groove 43f tabling of determining positions sheet 41d and portion of determining positions mechanism 43, this moment the superiors by making portion of determining positions mechanism 46,47 determining positions groove 46f and the determining positions that the 47f tabling is in symmetric position, the determining positions of lockplate 45.In addition, selecteed pallet T for example be positioned at disk cartridge M from the 2nd layer occasion, make the 1st, the 2nd mobile chassis 11 and 12 mobile height and position are lower slightly than above-mentioned position, thereby make each determining positions sheet 41d of determining positions, lockplate 41,45, each position determination means portion 43 such as 41e, 44,46,47 from last determining positions groove 43e of the 2nd layer, 44e, 46e, the 47e tabling.
In this embodiment, on the front side board 10a of framework 10 and dorsal plate 10b, form each determining positions groove of portion of determining positions mechanism 43,44,46,47, on the base plate 10e of framework 10, disk cartridge M is set.Therefore, can improve portion of determining positions mechanism 43,44,46, the precision of the Working position of each determining positions groove of 47 and the bending machining position of base plate 10e, and then, by making determining positions, lockplate 41, loosening (the becoming flexible between pin 42 shown in Figure 3 and the slotted hole 41a) of the 45 and the 1st mobile chassis 11 is minimum, can make the selected pallet T in the 1st mobile chassis 11 relative disk cartridge M face-to-face on high precision position.
In addition, because with portion of determining positions mechanism 43,44,46, each determining positions groove 43a～43f of 47, formation such as 44a～44f have as Fig. 2 and the v-shaped openings portion shown in Fig. 4 etc. and the shape of the thin fitting portion (f) that links to each other therewith, therefore, even at mobile chassis 11, on 12 the adjustable height position deviation is arranged slightly, and in determining positions, the determining positions sheet 41d of lockplate 41, the shutheight position of 41e produces error, at determining positions lockplate 41 when (4) direction moves, each determining positions sheet 41d, 41e can carry out high-precision height and position decision to the 1st mobile chassis 11 by fitting portion (f) guiding really of determining positions groove.In addition, when being used for vehicle-mounted occasion, even the effect of generation body oscillating etc., determining positions, lockplate 41,45 and the 1st mobile chassis do not produce vibration yet.
In addition, by the determining positions, the lockplate 45 that are arranged in symmetric position are moved to Fig. 8 (1) direction, pressing tablet 45c with its left end is pressed the oblique plate 81c of limiting member 81, make limiting member 81 become the attitude of representing with solid line among Fig. 8, make the place ahead of other pallet T become blocked state, thereby can prevent that non-selected pallet T from flying out from disk cartridge M.In addition, as previously mentioned, can prevent to be in the pallet T in the selected taking-up
1Turn back in the disk cartridge M.
As previously mentioned, take out required pallet T
1, remove the locking of the 1st, the 2nd mobile chassis 11 and 12, and then, make portion of the determining positions mechanism tabling of determining positions, lockplate 41 and framework 10, in the moment that the position of the 1st mobile chassis 11 is determined, motor shown in Figure 6 69 is stopped.
Below, make motor 36 startings shown in Figure 1 once more, drive tooth bar 35 and driving stem 28 to (4) direction, drive driving stem 26 to (1) direction.Driver slot 26a with the driving stem 26 that moves to (1) direction upwards lifts connecting pin 21, makes web joint 18,19 be the X shape and opens, and then the 2nd mobile chassis 12 is upwards lifted.This moment, the 2nd mobile chassis 12 was disengaged because of determining positions, lockplate 41 make locking, in addition, because the position of the 1st mobile chassis 11 determined, the 2nd mobile chassis 12 was risen.In this uphill process, the pallet T that makes turntable 13 and be removed
1On the medium pore tabling of disk D, make disk D from pallet T
1The recess 93 of laying lift (referring to Figure 12) on slightly.Therefore, as shown in Figure 4, make disk D be arranged on that binding clasp 15 on the 1st mobile chassis 11 and 13 of turntables are held and clamped.
As shown in figure 12, make the disk D of this moment still stay the state of disk cartridge M inside, from being removed pallet T in its part
1The recess 93 of laying lift on slightly, become recess 98(below the top board of the recess that makes the part circular shape below the pallet T thereon of disk D position or disk cartridge M referring to Figure 11) and lay in the space of 93 in portion, drive disk D at this state with spindle drive motor 14, with being arranged on the action of resetting of adapter on the 2nd mobile chassis 12.
When making the disk of resetting after finishing return disk cartridge M, with motor 36 shown in Figure 1 the 2nd mobile chassis 12 is descended, the disk D that lifts on quilt on the turntable 13 is returned at pallet T
1Lay in the recess 93.And then the 2nd mobile chassis 12 is descended, until with being spaced apart 11 o'clock of the 1st mobile chassis 11 till, motor 36 is stopped, the decline of the 2nd mobile chassis 12 is stopped.
Then, drive gear wheel 61 with motor 69 shown in Figure 6 to counter-clockwise direction.Counter-clockwise direction revolution with this gear wheel 61, at first pass through trace 51 to the decision of (1) direction activation point, lockplate 41, to determining positions, the lockplate 45 of (4) direction driving symmetric position, make the portion of determining positions mechanism 43,44 of its relative framework 10,46,47 locking is disengaged, and with determining positions, lockplate 41,45, make the 1st and the 2nd mobile chassis 11,12 open H at interval state lock mutually.
When so make gear wheel 61 to counter-clockwise direction revolution, drive to inhour and take out lever 72, make take out hook 75 as shown in Figure 8 to the diagram left to moving, make pallet T
1Turn back in the disk cartridge M.
In addition, the invention is not restricted to the foregoing description.
At first, in the above-described embodiments, by two mobile chassis 11,12 moving parts of forming are as the determining positions portion that carries out determining positions, on framework 10, directly form determining positions groove 43a～43f etc., yet, also the member that forms this determining positions groove can be installed on the framework 10.In addition, also can have the determining positions member of V-shaped valley, the multilayer projection is set as determining positions portion, make the V font groove of determining positions member of mobile chassis side and any one tabling in the multilayer projection in the framework side in the setting of mobile chassis side.
In addition, in the above-described embodiments, the 1st mobile chassis 11 that is positioned at upside is carried out determining positions, the 2nd mobile chassis 12 that is positioned at downside is risen, make disk D clamped between two mobile chassis, yet, also can make the 1st mobile chassis be positioned at downside conversely, the 2nd mobile chassis is positioned at upside, and the 1st mobile chassis of downside is carried out determining positions, and then the 2nd mobile chassis of upside is descended, between two mobile chassis with disc clamp.
In addition, also can on the 2nd mobile chassis 12, binding clasp be set, on the 1st mobile chassis 11, turntable and adapter be set.
And then, also can make relative the 2nd mobile chassis of the 1st mobile chassis keep certain H interval with spring, the 2nd mobile chassis is moved, at assigned position the 1st mobile chassis is carried out determining positions, thereafter, spring is shunk, makes the 2nd mobile chassis near the 1st mobile chassis, between two mobile chassis with disc clamp.
In addition, above-mentioned disk can be any in compression moulding disk, disk, hard disc, photomagneto disk, the microcomputer disk etc.In addition, also be not limited to disk is placed in the box, also be not subjected in advance disk to be placed in the restriction that disk is provided with the number of disks of the A of portion.
In addition, the invention is not restricted to vehicle usefulness, also it can be arranged on indoor.
Aforesaid the present invention when the chosen position of arbitrary disk moves, makes determining positions member that is arranged on the moving part and the arbitrary jog tabling that is arranged on the multi-level positions determination section on the framework at moving part, thus the position of decision moving part.As benchmark moving part is stopped by determining positions portion, can carry out determining positions mutually accurately arbitrary disk in a plurality of disks and moving part with framework.In addition, can prevent that also moving part from producing vibration because of external vibration.
According to the present invention,, can make the driving mechanism that puts on moving part simple owing to drive disk unloading device and determining positions member with common motor that is arranged on moving part and power-supply change-over mechanism.
According to the present invention, because the driving motor that is used for driving disk unloading device etc. is arranged on the same area of the 2nd mobile chassis and spindle drive motor, thereby do not need to be provided with the special space of this driving motor.In addition, owing to make power transfering part between the 1st and the 2nd chassis, carry out splined engagement, even driving motor is arranged on the 2nd mobile chassis, power-supply change-over mechanism is arranged on the 1st mobile chassis, become and power can be able to be relied on the transmission of power-supply change-over mechanism, therefore, can not make all structures of moving part become huge.
In the present invention, because the locking component that is used to lock the 1st and the 2nd mobile chassis is arranged on position decision member integratedly, can make the number of components of moving part reduce simple structure.
In addition, according to the present invention, because with the relative action clamping disk of the 1st mobile chassis and the 2nd mobile chassis, thereby there is no need to be set to other driving mechanism with disc clamp at moving part.
In the present invention, owing to make in order to prevent to stay disk that disk is provided with portion, therefore, do not need to be provided with in addition the mechanism of this limiting member of driving to the limiting member action that the moving part direction flies out with the displacing force of determining positions member.
Claims (5)
1, device for selective replaying of magnetic disc, comprise having on it to be positioned at portion, the desirable driving mechanism that goes out the moving part of the disk unloading device of arbitrary disk and the disk support that supporting is removed disk and this moving part is moved towards the optional chosen position that goes out arbitrary disk are set near many disks, it is characterized in that on framework, being provided with the multi-level positions determination section of corresponding disk chosen position, on above-mentioned moving part, be arranged on the moment of moving, make any one and the chimeric determining positions member of jog in the above-mentioned multi-level positions determination section to chosen position.
2, device according to claim 1, it is characterized in that being provided with on above-mentioned moving part power with common motor makes the disk unloading device to the action of disk removing direction with make the determining positions member towards the power-supply change-over mechanism that moves with arbitrary determining positions portion chimeric direction.
3, device according to claim 2, it is characterized in that being provided with on the moving part the 1st of the disk clamping that will take out and clamping, the 2nd mobile chassis, above-mentioned disk unloading device is set on the 1st mobile chassis, above-mentioned determining positions member and above-mentioned power-supply change-over mechanism, the spindle drive motor that drives disk is set on the 2nd mobile chassis and is positioned at driving motor with this spindle drive motor same area, the power transfering part that above-mentioned driving motor power is transmitted is set on the 2nd mobile chassis, on the 1st mobile chassis, be provided with power to the power transfering part that above-mentioned power-supply change-over mechanism transmits, make two mobile chassis can allow that it changes at interval that such to form spline chimeric.
4, device according to claim 1, it is characterized in that being provided with on the moving part the 1st mobile chassis with above-mentioned disk unloading device and above-mentioned determining positions member, acceptance is because of 2nd mobile chassis of above-mentioned driving mechanism to the displacing force of chosen position, when two mobile chassis are near each other, between two mobile chassis with the clamp system of selecteed disc clamp, on above-mentioned determining positions member, form sticking department, when moving to chosen position, make two mobile chassis locked when drawing back at interval with this sticking department, this locking is disengaged when the chimeric direction of determining positions member and determining positions portion is moved.
5, device according to claim 1, it is characterized in that limiting member being set in the path of taking out disk from the disk portion of setting, take out required disk when taking out member with disk, and make it when the chimeric direction of above-mentioned determining positions member and determining positions portion is moved, with the displacing force of this determining positions member, above-mentioned limiting member is moved towards the position that the taking-up path that will stay disk covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93112902A CN1042371C (en) | 1993-12-14 | 1993-12-14 | Device for selective replaying of magnetic disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93112902A CN1042371C (en) | 1993-12-14 | 1993-12-14 | Device for selective replaying of magnetic disc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1103982A true CN1103982A (en) | 1995-06-21 |
| CN1042371C CN1042371C (en) | 1999-03-03 |
Family
ID=4990312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93112902A Expired - Fee Related CN1042371C (en) | 1993-12-14 | 1993-12-14 | Device for selective replaying of magnetic disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1042371C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100481231C (en) * | 2000-09-21 | 2009-04-22 | 松下电器产业株式会社 | Disk device |
| CN101369437B (en) * | 2003-03-31 | 2012-05-16 | 歌拉利旺株式会社 | Disk device and disk holder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR910003937B1 (en) * | 1987-03-04 | 1991-06-17 | 상요덴기 가부시기가이샤 | Disk player |
| US5247500A (en) * | 1987-12-09 | 1993-09-21 | Matsushita Electric Industrial Co., Ltd. | Elevating and lowering system in a multi-disk player |
| JPH02132350U (en) * | 1989-04-04 | 1990-11-02 | ||
| JP2804307B2 (en) * | 1989-09-11 | 1998-09-24 | パイオニア株式会社 | Magazine storage disc player |
| JPH0814915B2 (en) * | 1989-09-29 | 1996-02-14 | アルパイン株式会社 | Disc loading device for disc player |
-
1993
- 1993-12-14 CN CN93112902A patent/CN1042371C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100481231C (en) * | 2000-09-21 | 2009-04-22 | 松下电器产业株式会社 | Disk device |
| CN101369437B (en) * | 2003-03-31 | 2012-05-16 | 歌拉利旺株式会社 | Disk device and disk holder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1042371C (en) | 1999-03-03 |
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Legal Events
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 19990303 Termination date: 20101214 |