CN1242863A - CD changer with driving mechanism operated by single driving source - Google Patents
CD changer with driving mechanism operated by single driving source Download PDFInfo
- Publication number
- CN1242863A CN1242863A CN98801622A CN98801622A CN1242863A CN 1242863 A CN1242863 A CN 1242863A CN 98801622 A CN98801622 A CN 98801622A CN 98801622 A CN98801622 A CN 98801622A CN 1242863 A CN1242863 A CN 1242863A
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- China
- Prior art keywords
- driven unit
- gear
- spare
- armed lever
- operating rod
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/04—Feeding or guiding single record carrier to or from transducer unit
- G11B17/05—Feeding or guiding single record carrier to or from transducer unit specially adapted for discs not contained within cartridges
- G11B17/053—Indirect insertion, i.e. with external loading means
- G11B17/056—Indirect insertion, i.e. with external loading means with sliding loading means
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/22—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records
- G11B17/226—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records the magazine consisting of a single rotatable tray carrying the disks
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- Automatic Disk Changers (AREA)
- Feeding And Guiding Record Carriers (AREA)
Abstract
CD changer having a simple driving mechanism is disclosed which is driven by a single driving source for a movement of a tray and a lifting and lowering operation of a driving unit. Reduction gears rotate by a driving motor installed on a body, a main gear rotates by the rotation of the reduction gears. A pinion part rotates through the rotation of the main gear and moves a rack gear, thereby a tray moves. Also, a driving unit is lifted and lowered by the operation of a driving unit elevating means, resulting in reproducing a CD or stopping the operation of the CD's reproduction.
Description
The present invention relates to a kind of compact disc changer that has the driving mechanism of handling by single drive source, more specifically say, be particularly related to a kind of compact disc changer, have simple driving mechanism, be used for promoting the pallet and the driven unit of compact disc changer by a single motor, whereby, pallet is ejected and is put into this main body from a main body, and driven unit is lifted and fallen.
Generally, selected of being housed in the wherein each dish of common compact disc changer, and by optic probe device redisplaying information from selected CD (after this being called CD).
One CD Nisc changing device comprises many members, as illustrated in fig. 1 and 2.One pallet 120 is contained on the main body 100 movably.One wheel disc 140 that is used to place many CD is contained in the upper plane of pallet 120.Wheel disc 140 can rotate a predetermined angle according to an outside output and select a predetermined CD.One chuck 160 is used for the center of selected CD is clamped under the play mode, is contained in the upside of wheel disc 140.One driven unit 180 is contained in the downside of chuck among the main body 100.Driven unit 180 has an optical head (not drawing among the figure), is used for the redisplaying information from CD.For redisplaying information from selected CD, driven unit 180 is lifted towards chuck 160.Selected CD is clamped between driven unit 180 and the chuck 160 and by a motor and makes it to rotate.Optical head is redisplaying information from selected CD.
Below wheel disc 140, a pallet feeding part is arranged, be used for from main body 100 ejection tray 120 and be used for putting pallet to main body 100; One driven unit lifts part, is used to lift and falls driven unit 180; And a wheel disc actuator, be used for rotating wheel disk 140.Pallet feeding part comprises a tooth bar 216, a feeding motor 230, a back gear 250, a feed gear wheel 270 and an ancon switch.Tooth bar 210 has a predetermined length and is contained in a side place of pallet 120 bottom surfaces.Feeding motor 230 can be provided for promoting the driving force of pallet 120.Back gear 250 sends the driving force of feeding motor 230 to feed gear wheel 270.Feed gear wheel 270 is engaged in tooth bar 210, and according to the rotation feeding pallet 120 of feeding motor 230.Ancon switch 290 is switched according to the position of pallet 120 by a pushing part that is formed on the feed gear wheel 270.Feeding motor 230 is controlled according to the state of ancon switch 290.
Driven unit lifts part and has the motor of lifting 310, is used to provide power to lift and to fall driven unit 180; One driven wheel 330 is engaged in and lifts motor 310; One cylindrical cam 350 is engaged in driven wheel 300; And one second ancon switch 370, be contained in a side place of cylindrical cam 350.Many screw threads are formed on the periphery of cylindrical cam 350, and are engaged in from one of driven unit 180 side-prominent each projection (not drawing the figure).The position of lifting that the ancon switch is detected driven unit 180 according to the rotation of cylindrical cam 350, and motor 310 is lifted in control.An other side of driven unit 180 is connected in main body 100 by a hinge fraction.
The wheel disc actuator has the table motor of wheel 147, is used to provide power with rotating wheel disk 140 and be engaged in a wheel disc gear 145 that is formed in place, wheel disc 140 bottom surfaces.
A kind of operation of aforesaid common CD Nisc changing device is as follows.
At first, under Eject mode, the control piece (not shown) is rotated feeding motor 230 according to the ejection signal from the outside on counter-clockwise direction.The driving force of feeding motor 230 sends back gear 250 to by belt.Feed gear wheel 270 rotates on counter-clockwise direction owing to back gear 250, and is engaged in tooth bar 210.Thereby pallet 120 is ejected from main body 100.That is wheel disc 140 is also ejected from main body 100.When feed gear wheel 270 during at back rotation 360 degree camber lines, pushing part 275 is opened ancon switch 290.The opening signal of ancon switch 290 offers control piece.Control piece instruction feeding motor 230 stops.The user can place many CD on the wheel disc 140 that is contained in pallet 120 places.
Then, carry out the pattern of putting.The pattern of putting is will be the inner space of wheel disc 140 that is placed with many CD and pallet 120 threading main bodys 100.Put pattern begin be since from the outside to control piece provide one put signal or since lightly pallet 120 advance the inner space of main bodys 100.Pushing part 275 changeable ancon switches 290 are to off state.Control piece can start feeding motor 230 according to the cut-off signals of ancon switch 290 and rotate in the clockwise direction.According to clockwise rotating of feeding motor 230, feed gear wheel 270 rotates in the clockwise direction and begins to be engaged in tooth bar 210.Therefore, pallet 120 moves in the horizontal direction and is put towards the inner space of main body 100.
After finishing the pattern of putting, pallet 120 is placed into the top of driven unit 180, and wheel disc 140 be placed on chuck 160 below.When the selected signal of a CD is provided for control piece, control piece starter cup table motor 147.Wheel table motor 147 rotating wheel disk gears 145.Wheel disc 140 is made it to rotate by wheel disc gear 145, then selected predetermined CD.Selected CD is placed between driven unit 180 and the chuck 160.
When a play mode signal was provided for control piece, the control piece startup was lifted motor 310 and is made it to rotate.The driving force of lifting motor 310 sends cylindrical cam 350 to via driven wheel 330.When cylindrical gear 350 rotated, the driven unit 180 that is engaged in cylindrical cam 350 rose around a hinge pin.Because the rise of driven unit 180, selected CD is clamped between chuck 160 and the driven unit 180.Captured CD is made it to rotate by a motor (not shown), and optical head redisplaying information from selected CD.
But, a common CD Nisc changing device has one respectively and is used to provide the feeding motor and of pallet feeding power to be used to provide driven unit to lift the motor that lifts of power.That is because the rotation of some motors, a CD receiving unit is shaken gently, thereby the reliability of CD Nisc changing device playback primary sound is lower.
In addition, common CD Nisc changing device is very complicated, because many gearing mesh are between feeding motor and the pallet or lifting between motor and the driven unit.Therefore, need a lot of structural elements and assembling procedure, increased manufacturing cost.
Primary and foremost purpose of the present invention is, a kind of CD Nisc changing device that has the driving mechanism of being handled by a single drive source is provided, and wherein a pallet and a driven unit are promoted by a single motor.
Secondly purpose of the present invention is to provide a kind of CD Nisc changing device that has the driving mechanism of being handled by a single drive source, to eliminate owing to the complex vibration of using motor allowable to cause.
The 3rd purpose of the present invention is to provide a kind of CD Nisc changing device that has the driving mechanism of being handled by a single drive source, to reach low manufacturing cost.
For reaching these purposes, a kind of CD Nisc changing device that has the driving mechanism of being handled by a single drive source comprises: a wheel disc, have many sabot parts, and be used to put many CDs; One pallet has a rack and pinion system and that is formed among the described pallet inner lower and puts groove, and can be ejected and be put into; One driven unit is lifted and is fallen in a position and of lifting that is used for optical disk data reproducing operation and is used to end between the lowering position of replay operations, and has some outstanding floors of locating at the two ends of driven unit two side, is used to lift and fall operation; One CD-ROM drive motor is used to start the ejection operation of pallet and puts operation, and is used to start lifting operation and falling operation of driven unit; One power transmission part transmits power from CD-ROM drive motor; One main drive gear spare is made it to rotate by power transmission part, makes one the first half gear with being integral on surface, a bottom, and is contained on the main body rotationally by a central shaft; One pinion member, having a undergear and that is engaged in main drive gear spare can be along putting the central shaft that groove moves, and the tooth bar that promotes to be engaged in pinion member by the rotation that is formed in the undergear on the pinion member bottom with being integral; A plate connects the central shaft of main drive gear spare and the central shaft of pinion member, so that the circular motion of restriction pinion member; And a driven unit lifting gear, by lifting and fall driven unit from the rotating force of main drive gear spare transmission.
Put groove and be made for a U font, have a crooked runway and a straight line runway.
Tooth bar is made for a U font, has a crooked runway and a straight line runway.
Power transmission part comprises a driven wheel spare, makes it to rotate by driving force from the CD-ROM drive motor transmission, and a relay gear spare, be engaged in driven wheel spare and on upper face, make a upper gear with being integral.
The driven unit lifting gear comprises a connecting rod, is contained on the main body rotationally by a pivot, and makes second armed lever of a projection with having one first armed lever and 11 body; One cam wheel spare, have the second half gears that are engaged in the first half gears of main drive gear spare, and a guide rail, be formed in the posterior face place of cam wheel spare, have one spiral-shapedly and guide the projection of second armed lever, so that first armed lever of connecting rod and second armed lever can rotate around pivot; One first operating rod and one second operating rod have each chute, and the outstanding floor of driven unit slides therein so that be lifted and fall, and are connected to first armed lever and second armed lever of connecting rod; And two guide members, guide first operating rod and second operating rod, and on its two ends, make each line of rabbet joint along vertical direction.
In second preferred embodiment of the present invention, the driven unit lifting gear comprises a connecting rod, be contained in rotationally on the main body by a pivot, have one first armed lever and one second armed lever, and make half gear that is engaged in the first half gears of main drive gear spare with being integral in a center side-walls; One first operating rod and one second operating rod have each chute, and the outstanding floor of each of driven unit slides therein, so that be lifted and fallen, and are connected in first armed lever and second armed lever of connecting rod respectively; And two guide members, guide first operating rod and second operating rod, and on its two ends, make each line of rabbet joint along vertical direction.
A kind of CD Nisc changing device that has the driving mechanism of being handled by a single drive source according to third preferred embodiment of the invention comprises: a wheel disc, have many optic disc holding parts, and be used to put many CDs; One pallet has the U-shaped tooth bar and the U-shaped that are formed among the described pallet inner lower and puts groove, has a crooked runway and a straight line runway, and can be ejected and be put; One driven unit is lifted and is fallen in a position and of lifting that is used for optical disk data reproducing operation and is used to end between the lowering position of replay operations, and has at the two ends of driven unit two side and locate some outstanding floors, is used to lift and fall operation; One CD-ROM drive motor is used to carry out the ejection operation of pallet and puts operation, and is used to carry out lifting operation and falling operation of driven unit; One driven wheel spare is made it to rotate by the driving force from the CD-ROM drive motor transmission; One relay gear spare is engaged in driven wheel spare and makes a upper gear with small radii with being integral on upper face; One main drive gear spare is engaged in the upper gear of relay gear spare, and is contained on the main body rotationally by a central shaft; One pinion member, having a undergear and that is engaged in main drive gear spare can be along putting the central shaft that groove moves, and the tooth bar that promotes to be engaged in pinion member by the rotation that is formed in the undergear on the pinion member bottom with being integral; A plate connects the central shaft and the central shaft of pinion wheel of main drive gear spare, so that the circular motion of restriction pinion member, an end of extension web joint is one fan-shaped to form, and has half gear teeth of making a series of gear teeth at the peripheral wall part place of its segmental arc; One driven unit lifting gear, by lifting and fall driven unit from the rotating force of main drive gear spare transmission, wherein the driven unit lifting gear comprises a connecting rod, be contained on the main body rotationally by a pivot, have one first armed lever and one second armed lever, and make half gear that is engaged in half gear of web joint with being integral in a center side-walls; One first operating rod and one second operating rod have each chute, and the outstanding floor of each of driven unit slides therein so that be lifted and fallen, and are connected in first armed lever and second armed lever of connecting rod respectively; And two guide members, guide first operating rod and second operating rod, and on its two ends, make each line of rabbet joint along vertical direction.
Under the situation of above-mentioned CD Nisc changing device, but a single motor driving tray ejects and puts into and driven unit is lifted and fallen to main body from main body.
Therefore, according to the present invention, the driving mechanism that is promoted a pallet and a driven unit by single motor can prevent that the CD Nisc changing device from occurring owing to the complex vibration of using two motors to cause also can reach low manufacturing cost.
As a result, according to the present invention, the driving mechanism that is promoted a pallet and a driven unit by single motor is owing to the many gears of cancellation are connected stability and the reliability that has improved light player operating conditions.
The present invention will better be understood from the following description in conjunction with the accompanying drawings, and its various purposes and advantage also will obtain more comprehensively understanding, in the accompanying drawing:
Fig. 1 is a skeleton view, shows a kind of common CD Nisc changing device;
Fig. 2 is a planimetric map, schematically shows a kind of common CD Nisc changing device;
Fig. 3 is a synoptic diagram, shows the driving mechanism of a kind of CD Nisc changing device according to a first advantageous embodiment of the invention, and wherein a pallet is housed among the CD Nisc changing device main body and a driven unit is fallen;
Fig. 4 is a synoptic diagram, shows the driving mechanism of CD Nisc changing device according to a first advantageous embodiment of the invention, and wherein pallet is ejected from CD Nisc changing device main body and driven unit is fallen;
Fig. 5 is a synoptic diagram, shows the driving mechanism of CD Nisc changing device according to a first advantageous embodiment of the invention, and wherein pallet is housed among the CD Nisc changing device main body and driven unit is lifted;
Fig. 6 is a synoptic diagram, shows the driving mechanism of CD Nisc changing device according to a first advantageous embodiment of the invention, and wherein pallet is ejected from CD Nisc changing device main body and driven unit is lifted;
Fig. 7 is the cut-open view of driving mechanism in the CD Nisc changing device shown in Figure 3;
Fig. 8 A and Fig. 8 B are synoptic diagram, show according to a first advantageous embodiment of the invention first operating rod and the operating conditions of one second operating rod, and some outstanding floors that are formed on the driven unit lift and a moving situation that falls in the pattern at driven unit one;
Fig. 9 is a synoptic diagram, shows the driving mechanism according to the second preferred embodiment CD Nisc changing device of the present invention, and wherein a pallet is housed among the CD Nisc changing device main body and a driven unit is fallen;
Figure 10 is a synoptic diagram, shows the driving mechanism of CD Nisc changing device according to a second, preferred embodiment of the present invention, and wherein pallet is ejected from CD Nisc changing device main body and driven unit is fallen;
Figure 11 is a synoptic diagram, shows the driving mechanism of CD Nisc changing device according to a second, preferred embodiment of the present invention, and wherein pallet is housed among the CD Nisc changing device main body and driven unit is lifted;
Figure 12 is a synoptic diagram, shows the driving mechanism of CD Nisc changing device according to a second, preferred embodiment of the present invention, and wherein pallet is ejected from CD Nisc changing device main body and driven unit is lifted;
Figure 13 A and Figure 13 B are synoptic diagram, show the operating conditions of one first operating rod according to a second, preferred embodiment of the present invention and one second operating rod, and be formed in some outstanding floors on the driven unit and lift pattern and at driven unit one and fall moving situation in the pattern;
Figure 14 is a synoptic diagram, shows the driving mechanism according to the CD Nisc changing device of the 3rd preferred embodiment of the present invention, and wherein a pallet is housed among the CD Nisc changing device main body and a driven unit is fallen;
Figure 15 is a synoptic diagram, shows the drive unit according to the CD Nisc changing device of the 3rd preferred embodiment of the present invention, and wherein pallet is ejected from CD Nisc changing device main body and driven unit is fallen;
Figure 16 is a synoptic diagram, shows the driving mechanism according to the CD Nisc changing device of the 3rd preferred embodiment of the present invention, and wherein pallet is housed among the CD Nisc changing device main body and driven unit is lifted;
Figure 17 is a synoptic diagram, shows the driving mechanism according to the CD Nisc changing device of the 3rd preferred embodiment of the present invention, and wherein pallet is ejected from CD Nisc changing device main body and driven unit is lifted.
After this, the present invention is described in detail with reference to the accompanying drawings.
Member identical in each accompanying drawing will be indicated with reference to numbering by same, and same reference numbering will be never in order to show variant member.
Referring to Fig. 3 to Fig. 8 B, describe in detail according to a first advantageous embodiment of the invention.
According to the present invention, a pallet 210 has the U-shaped that a U-shaped rack and pinion system and is formed on pallet lower interior one side and puts groove.One driven unit can lift between a position and the lowering position one and be lifted and fall.Single CD-ROM drive motor 10 produces driving force, and this driving force passes to a power transmission member.This power transferring elements comprises a driven wheel spare 20 and a relay gear spare 30.Driven wheel spare 20 is made it to rotate by the CD-ROM drive motor 10 that is contained on the CD Nisc changing device main body 200.Relay gear spare 30 has a small half of footpath upper gear 32, is used for increasing rotating force on the one upper face.One main drive gear spare 40 is engaged in the upper gear 32 of relay gear spare and constitutes one the first half gear 44 with being integral on surface, a bottom.One pinion member 50 is engaged in tooth bar 12 and has a bottom gear that is engaged in main drive gear spare 40.In addition, a driven unit lifting gear can lift and fall driven unit by the rotation of main drive gear spare 40.
Put groove 14 and be made for U-shaped at the downside place of pallet inside.
Tooth bar 12 is made the U font, has a crooked runway, and pinion member 50 is made circular motion along putting groove 14 on it, and a straight line runway, promotes tooth bar 12 by the rotation of pinion member 50.
A plate 56 connects the central shaft 42 of main drive gear spare 40 and the central shaft 54 of pinion member 50.
Thereby on crooked runway, the undergear 52 of pinion member 50 in the clockwise direction with along putting groove 14, moves on counter-clockwise direction around the central axis 42 of main drive gear spare 60 under the situation that is engaged in main drive gear spare 40.
On straightaway, because the circular motion of web joint 56 is restricted, so pinion member 50 can promote tooth bar 12.
The driven unit lifting gear comprises a connecting rod 70, a cam wheel spare 60, one first operating rod 75, one second operating rod 78, and guide member 79,79 '.
Connecting rod 70 is contained on the main body 200 rotationally by a pivot 74, has second armed lever 72 that one first armed lever 71 and 11 body ground constitute a projection 73.
In addition, two guide members 79,79 ' can guide first operating rod 75 and second operating rod 76, and have each line of rabbet joint that is formed in its place, two ends along vertical direction.
Secondly, the present invention includes a pallet open detection switch (not shown), detect the fully ejection of pallet from main body by means of contact tooth bar 12, and one chucking finish the switch (not shown), the chucking that detects the CD of driven units by means of first operating rod 75 and second operating rod 76 of contact connecting rod.
After this, with the operation of explanation according to the driving mechanism of first embodiment of the invention.
Fig. 3 is a synoptic diagram, shows the driving mechanism of a kind of CD Nisc changing device according to a first advantageous embodiment of the invention briefly, and wherein a pallet is housed among the CD Nisc changing device main body and a driven unit is fallen.
During pallet 210 among ejection is housed in main body 200, driven wheel spare 20 makes it inhour by CD-ROM drive motor and rotates, and rotates relay gear spare 30 again, and thereby rotates main drive gear spare 40 by the upper gear 32 of relay gear spare 30 on counter-clockwise direction.Because the rotation of main drive gear spare 40, pinion member 50 is rotated in the clockwise direction with the undergear 52 that is engaged in main drive gear spare 40.Thereby pinion member 50 is engaged in the straightaway of tooth bar 12 and promotes tooth bar 12.Therefore, pallet 210 is ejected towards the outside of main body 200.
When the central shaft 54 of bottom gear 52 when putting groove 14 and move, in putting the crooked runway of groove 14, central shaft 54 has circular motion, and in straightaway, the circular motion of central shaft 54 is limited by means of the web joint that is connected in main drive gear spare 40 central shafts 42.Therefore, in straightaway, the rotation of pinion member 50 is delivered to tooth bar 12, causes moving of tooth bar 12.
In addition, cam wheel spare 60 can not rotate, because the second half gears 62 are not engaged in the first half gears.
Driving mechanism under the pallet Eject mode is shown in Fig. 4.
After on the user places the wheel disc that many CD are being installed in pallet 210 places, lightly pallet 210 is advanced the inside of main bodys 200.CD-ROM drive motor 10 is handled by a control piece (not shown), and driven wheel spare 20 rotates in the clockwise direction owing to the running of CD-ROM drive motor 10.Driven wheel spare 20 is by relay gear spare 30 and main drive gear spare 40 rotation pinion spare 50 on counter-clockwise direction.Pinion member 50 is engaged in tooth bar 12, and pallet 210 is put the inside of main body 100.Therefore, the CD that is placed on the wheel disc that is installed in the pallet 210 is placed to above the driven unit 80.
Secondly, cam wheel spare 60 can not rotate, because the second half gears are not engaged in the first half gears.
The driving mechanism that pallet is put under the pattern is shown in Fig. 4.
So that during playback CD, as shown in Figure 3, CD-ROM drive motor 10 is handled by a control piece (not shown) when lifting driven unit 80, and driven wheel spare 20 is because the running of CD-ROM drive motor 10 and rotating in the clockwise direction.Driven wheel spare 20 is by relay gear spare 30 and main drive gear spare 40 rotation pinion spare 50 on counter-clockwise direction.Pinion member 50 is engaged in the crooked runway of tooth bar 12.Pinion member causes the circular motion around main drive gear spare 40 central shafts, and thereby the left side of shift-in main body 200.
Secondly, because main drive gear spare 40 rotates in the clockwise direction,, cause rotating cam gear member 60 on counter-clockwise direction so the first half gears 44 of main drive gear spare 40 are engaged in the second half gears 62 of cam wheel spare 60.
Because the rotation of cam wheel spare 60, the projection 73 of connecting rod 70 is shifted to spiral-shaped centre along the track of guide rail 64.So first armed lever 71 and second armed lever 72 turn over a predetermined angle around pivot 74 in the clockwise direction.
By means of the rotation of first armed lever 71 and second armed lever 72, first operating rod 75 and second operating rod, 76 along continuous straight runs move.The outstanding floor 77,77 of driven unit 80 ' along being formed in each chute 78,78 on first operating rod 75 and second operating rod 76 ' move up upward vertical, thus lift driven unit 80.
Wherein pallet 210 is housed among main body 200 inside and the driving mechanism that driven unit 80 is lifted is shown in Fig. 5.Under above situation, CD can reset.
Fall driven unit 80 and can obtain by the aforesaid operations of on opposite direction, carrying out the CD that is used to reset so that end operation that CD resets.
When pallet 210 being ejected beyond the main bodys 200 so that when when resetting selected CD, changing another CD, as shown in Figure 5, CD-ROM drive motor 10 is handled by a control piece (not shown), and driven wheel spare 20 rotates in the clockwise direction owing to the running of CD-ROM drive motor 10.Driven wheel spare 20 is by relay gear spare 30 and main drive gear spare 40 rotation pinion spare 50 on counter-clockwise direction.
Because the central shaft 54 of pinion member 50 is located within the straightaway of putting groove 14, in putting groove, the circular motion that is connected in the central shaft 54 of web joint 56 is restricted.So, continuing to rotate owing to be engaged in the pinion member 50 of tooth bar 12, tooth bar 12 moves with regard to along continuous straight runs, thus pallet 210 is shifted to the outside of main body 200.
Because the first half gears 44 of main drive gear spare 40 are not engaged in the second half gears 62 of cam wheel spare 60, cam wheel spare 60 can not rotate and thereby driven unit 80 keep lifting situation (replay mode of CD).
Wherein pallet 210 is shown in Fig. 6 from main body 200 driving mechanism that inner quilt ejects and driven unit 80 is lifted.
When putting pallet 210 to main body 200 inside, as shown in Figure 6, CD-ROM drive motor 10 is handled by a control piece (not shown), and driven wheel spare 20 rotates on counter-clockwise direction owing to the running of CD-ROM drive motor 10.Driven wheel spare 20 is by relay gear spare 30 and main drive gear spare 40 rotation pinion spare 50 in the clockwise direction.Therefore, tooth bar 12 along continuous straight runs move and pallet 210 is put into main body 200.
Wherein pallet 210 is put into the driving mechanism that main body 200 and driven unit 80 are lifted, and is shown in Fig. 5.
Fig. 7 is a cross section view of driving mechanism in the CD Nisc changing device shown in Figure 3.
Fig. 8 A shows the situation when driven unit 60 is in lowering position, wherein the chute 78, the 78 ' bottom that are formed on first operating rod 75 and second operating rod 76 of the outstanding floor 77,77 of driven unit 60 ' be placed in.
Fig. 8 B shows when driven unit 60 and is in situation when lifting the position, wherein the chute 78, the 78 ' top that are formed on first operating rod 75 and second operating rod 76 of the outstanding floor 77,77 of driven unit 60 ' be placed in.
So outstanding floor 77,77 ' by means of the action of first operating rod and second operating rod is along chute 78,78 ' move.
Guide the guide member 79,79 of first operating rod and second operating rod ' be formed on the main body 200, and comprise the line of rabbet joint 90,90 ' so that guiding and supporting along the outstanding floor 77,77 of chute 78,78 ' be imported into upper and lower '.
After this, with reference to Fig. 9 to Figure 13 B, explain according to second preferred embodiment of the present invention.
In a kind of driven unit lifting gear according to second preferred embodiment of the invention, a connecting rod 85 is contained on the main body 200 rotationally by a pivot 84, has first armed lever 81 and second armed lever 82.In addition, connecting rod 85 is made half gear 83 in a center side-walls with being integral, is engaged in the first half gears 44 of main drive gear spare 40.
One first operating rod 75 and one second operating rod 76 have chute 88,88 ', the outstanding floor of driven unit 80 77,77 ' therein slides so that be lifted and fall, and is connected to first armed lever 81 and second armed lever 82.
In addition, two guide members 79,79 ' can guide first operating rod 75 and second operating rod 76, and have along vertical direction be formed in the line of rabbet joint 90,90 at its place, two ends '.
Fig. 9 shows the state when driven unit 80 is in lowering position.
Driven wheel spare 20 rotates in the clockwise direction by CD-ROM drive motor 10, thereby relay gear spare 30 rotates on counter-clockwise direction.Main drive gear spare 40 is because the rotation of relay gear spare 30 and rotating on the clockwise direction, thereby the first half gears 44 of main drive gear spare 40 are engaged in half gear 83 of connecting rod 85.Therefore, first armed lever 81 of connecting rod 85 and second armed lever 82 turn over a predetermined angle around pivot 84 on counter-clockwise direction.
By means of the rotation of first armed lever and second armed lever, first operating rod 75 and second operating rod, 76 along continuous straight runs move.So, the outstanding floor 77,77 of driven unit 80 ', cause lifting driven unit 80 along chute 88, the 88 ' immigration top that is formed on first operating rod 75 and second operating rod 76.
Lifting when operating under the pattern at driven unit 80, pinion member 50 is made circular motion by clockwise rotating along putting groove 14 of main drive gear spare 40, thereby moves into the left side (Figure 11) of main body 200.
According to aforesaid operations, the optic probe device of driven unit 80 can reappear the information of selected CD.
Secondly, falling driven unit 80 can obtain by start the above-mentioned operation that is used to reset on opposite direction for the running of ending the CD playback.
Ejected and be loaded into the formation of main body and the explanation of running is similar to above-mentioned first embodiment from main body about pallet.
After this, with reference to Figure 14 to Figure 17, explain according to the 3rd preferred embodiment of the present invention.
As shown in figure 14, a plate connects the central shaft of main drive gear spare and the central shaft of pinion member, is used to limit the circular motion of pinion member.Web joint stretches an end of web joint and forms fan-shapedly, and the peripheral wall part place on an one segmental arc has half gear of making a series of gear teeth.
For the selected CD that resets, half gear 63 of web joint 66 is engaged in half gear 83 of connecting rod 85, thereby lifts driven unit 80 by operation driven unit lifting gear.
Secondly, falling driven unit 80 can obtain by start the above-mentioned operation that is used to reset on opposite direction for the operation of ending the CD playback.
Be similar to the various embodiments described above about the formation of each member and the explanation of operation.
The same with above-mentioned explanation, CD Nisc changing device according to the present invention has a driving mechanism, handle by a single drive source, and can realize the ejection of pallet effectively and put operation and driven unit lift and fall operation.
As a result, the CD Nisc changing device is simple in structure, and the number of components and assembling procedure reduce, and have reached high productivity and low manufacturing cost.
Though the present invention is illustrated particularly and is illustrated with reference to its some specific embodiments, skilled person in the art will be understood that, wherein can realize all changes in form and details and do not depart from spirit of the present invention and the category of being determined by appended every claim.
Claims (7)
1. a CD Nisc changing device has the driving mechanism of being handled by a single drive source, comprising:
One pallet have a tooth bar and that is formed among the described pallet inner lower and put groove, and pallet can be ejected and be put into;
One driven unit is lifted and is used to end between the lowering position of replay operations by being fallen in a position and of lifting that is used for the CD replay operations, and has some outstanding floors of locating at the two ends of driven unit two side, to lift and to fall operation;
One CD-ROM drive motor is used to carry out the ejection operation of pallet and puts operation, and is used to carry out lifting operation and falling operation of driven unit;
One driven unit lifting gear is used to lift and fall driven unit; And
One cogwheel gearing is engaged in tooth bar so that eject or put pallet by means of the power of CD-ROM drive motor, and is engaged in a side of driven unit lifting gear so that lift and fall driven unit.
2. according to the described CD Nisc changing device that has the driving mechanism of the drive unit of being handled by a single drive source of claim 1, wherein cogwheel gearing comprises:
One driven wheel spare is made it to rotate by the driving force from the CD-ROM drive motor transmission;
One relay gear spare is engaged in driven wheel spare and makes a upper gear with being integral on upper face;
One main drive gear spare is made it to rotate by relay gear spare, makes the first half gears on lower surface, and is contained on the main body rotationally by a central shaft;
One pinion member, having a bottom gear and that is engaged in main drive gear spare can be along putting the central shaft that groove moves, and promotes to be engaged in the tooth bar of pinion member owing to the rotation that is formed in the undergear of pinion member bottom with being integral; And
A plate connects the central shaft of main drive gear spare and the central shaft of pinion member, so that the circular motion of restriction pinion member.
3. according to the described CD Nisc changing device that has the driving mechanism of handling by a single drive source of claim 1, wherein put groove and be made for a U font, have a crooked runway and a straight line runway.
4. according to the described CD Nisc changing device that has the driving mechanism of being handled by a single drive source of claim 1, its middle rack is made for a U font, has a crooked runway and a straight line runway.
5. according to the described CD Nisc changing device that has the driving mechanism of being handled by a single drive source of claim 1, wherein the driven unit lifting gear comprises:
One connecting rod is contained on the main body rotationally by a pivot, and makes second armed lever of a projection with having one first armed lever and 11 body;
One cam wheel spare, have one the second half gearing mesh and be formed in the guide rail at the posterior face place that has a spiral-shaped cam wheel spare in the first half gears and of main drive gear spare, it guides the projection of second armed lever, so that first armed lever of connecting rod and second armed lever can rotate around pivot;
One first operating rod and one second operating rod have some chutes, and the outstanding floor of each of driven unit slides therein so that be lifted and fall, and are connected to first armed lever and second armed lever of connecting rod; And
Two guide members are guided first operating rod and second operating rod, and make the line of rabbet joint along vertical direction on its two ends.
6. according to the described CD Nisc changing device that has the driving mechanism of being handled by a single drive source of claim 1, wherein the driven unit lifting gear comprises:
One connecting rod is contained on the main body rotationally by a pivot, has one first armed lever and one second armed lever, and makes half gear that is engaged in the first half gears of main drive gear spare in the center side-walls with being integral;
One first operating rod and one second operating rod have each chute, and the outstanding floor of each of driven unit slides therein so that be lifted and fallen, and are connected to first armed lever and second armed lever of connecting rod; And
Two guide members are guided first operating rod and second operating rod, and make the line of rabbet joint along vertical direction on its two ends.
7. CD Nisc changing device that has the driving mechanism of being handled by a single drive source comprises:
One pallet has the U-shaped that a U-shaped rack and pinion system and that is formed among the described pallet inner lower has a crooked runway and a straight line runway and puts groove;
One driven unit is lifted and falls in a position and of lifting that is used for the CD replay operations and is used to end between the lowering position of replay operations, and has some outstanding floors at the place, two ends of driven unit two side to lift and to fall operation;
One CD-ROM drive motor is used to start the ejection operation of pallet and puts operation, and is used to carry out lifting operation and falling operation of driven unit.
One driven wheel spare is made it to rotate by the driving force from the CD-ROM drive motor transmission;
One relay gear spare is engaged in driven wheel spare and makes a upper gear with being integral on upper face;
One main drive gear spare is engaged in the upper gear of relay gear spare, and is contained on the main body rotationally by a central shaft;
One pinion member, having a bottom gear and that is engaged in main drive gear spare can be along putting the central shaft that groove moves, and promotes to be engaged in the tooth bar of pinion wheel by means of being formed in the rotation of the undergear on the pinion member bottom with being integral;
A plate, connect the central shaft of main drive gear spare and the central shaft of pinion member, so that the circular motion of restriction pinion member, an end of extending web joint is fan-shaped to form, and has half gear that forms a series of gear teeth at the peripheral wall part place of one segmental arc;
One driven unit lifting gear is by lifting and fall driven unit from the rotating force of main drive gear spare transmission.
Wherein the driven unit lifting gear comprises a connecting rod, is contained in rotationally on the main body by a pivot, has first armed lever and second armed lever, and makes half gear that is engaged in half gear of web joint in a center side-walls with being integral;
One first operating rod and one second operating rod respectively have chute, and the outstanding floor of each of driven unit slides therein so that be lifted and fallen, and first armed lever and second armed lever that are connected to connecting rod; And
Two guide members are guided first operating rod and second operating rod, and make the line of rabbet joint along vertical direction on its two ends.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970056759A KR19990035039A (en) | 1997-10-31 | 1997-10-31 | Drive structure of CD changer |
| KR1997/56759 | 1997-10-31 | ||
| KR1997/56752 | 1997-10-31 | ||
| KR1019970056753A KR100249551B1 (en) | 1997-10-31 | 1997-10-31 | Structure for chucking cd of cd changer |
| KR1019970056752A KR19990035032A (en) | 1997-10-31 | 1997-10-31 | Drive structure of CD changer using single power source |
| KR1997/56753 | 1997-10-31 | ||
| PCT/KR1998/000345 WO1999023654A1 (en) | 1997-10-31 | 1998-10-30 | Cd changer with a driving mechanism operated by a single driving source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1242863A true CN1242863A (en) | 2000-01-26 |
Family
ID=27349625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98801622A Pending CN1242863A (en) | 1997-10-31 | 1998-10-30 | CD changer with driving mechanism operated by single driving source |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0950243A1 (en) |
| JP (1) | JP2001511934A (en) |
| CN (1) | CN1242863A (en) |
| WO (1) | WO1999023654A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100372014C (en) * | 2004-12-16 | 2008-02-27 | 建兴电子科技股份有限公司 | Changer and its disc-pulling device |
| CN100378848C (en) * | 2003-12-10 | 2008-04-02 | 三菱电机株式会社 | Optical disk device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW402591B (en) | 1997-07-11 | 2000-08-21 | Janssen Pharmaceutica Nv | Monocyclic benzamides of 3- or 4-substituted 4-(aminomethyl)-piperidine derivatives |
| JP3588713B2 (en) * | 1999-04-12 | 2004-11-17 | 松下電器産業株式会社 | Disc player |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0675329B2 (en) * | 1986-02-18 | 1994-09-21 | ソニー株式会社 | Disc player |
| JPH07122951B2 (en) * | 1991-06-04 | 1995-12-25 | 日本コロムビア株式会社 | Disc player |
| JPH08102123A (en) * | 1994-09-29 | 1996-04-16 | Aiwa Co Ltd | Disk device |
-
1998
- 1998-10-30 WO PCT/KR1998/000345 patent/WO1999023654A1/en not_active Application Discontinuation
- 1998-10-30 CN CN98801622A patent/CN1242863A/en active Pending
- 1998-10-30 EP EP98951797A patent/EP0950243A1/en not_active Withdrawn
- 1998-10-30 JP JP52599999A patent/JP2001511934A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100378848C (en) * | 2003-12-10 | 2008-04-02 | 三菱电机株式会社 | Optical disk device |
| CN100372014C (en) * | 2004-12-16 | 2008-02-27 | 建兴电子科技股份有限公司 | Changer and its disc-pulling device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001511934A (en) | 2001-08-14 |
| WO1999023654A1 (en) | 1999-05-14 |
| EP0950243A1 (en) | 1999-10-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |