CN2746487Y

CN2746487Y - Suction optical drive structure

Info

Publication number: CN2746487Y
Application number: CN 200420093413
Authority: CN
Inventors: 杨敏政; 郑仁杰
Original assignee: Yuji Sct & Tech Co Ltd
Current assignee: Yuji Sct & Tech Co Ltd
Priority date: 2004-09-07
Filing date: 2004-09-07
Publication date: 2005-12-14
Anticipated expiration: 2014-09-07

Abstract

The utility model relates to a suction optical drive structure which is that a machine core is installed on a base, and the machine core is provided with a rotary disc for inserting rotary optical disc reading data. The upper end of the base is provided with a shore corresponding to the through hole of the machine core. An optical disc entering plate positioning and retreating plate mechanism mainly comprises a driving device, a sliding body, a sliding plate, a push rod, a link mechanism, a traversing body, a separating plate, an activation rod and a positioning rod. The sliding body and the sliding plate are driven to move by the driving device. The push rod is guided to swing by the positioning slot of the sliding plate to automatically push an optical disc into the optical drive, and the optical disc is positioned by the positioning rod to make the rotary disc accurately inserted into the centre hole of the optical disc, and data is read by rotating the optical disc. The optical disc can be automatically pushed out of the optical drive by pushing a dedicated reversal button. The disc clamping phenomenon happened by wrong inserting the optical disc which does not meet the specification into the optical drive can be avoided.

Description

The absorbing optical drive structure

Technical field

The utility model relates to CD-ROM structure, refer to a kind of insertion CD especially after, can automatically CD be pushed into automatically CD-ROM drive and give and establish the fixed position, guarantee that rotating disk accurately is intercalated in the cd center hole, rotary CD reads data; Push special-purpose invert button, the absorbing optical drive structure of CD-ROM drive is released CD in mechanism's counter motion automatically.

Background technology

Along with development of science and technology, CD (Compact Disk, CD) manufacturing technology also has significant progress, so the qualities of optical that produces is very high, have multiple advantages, for example, the holding time that stores data is very of a specified duration, storage volume is big, easy to carry, therefore, people mostly utilize CD to come backup data files now, especially audiovisual materials, therefore, the message exchange between the people can be promoted, and after work, film or listoning music can be watched comfily at home, to loosen working pressure, increase the joy of life.

The CD-ROM drive that reads cd resource now mostly is the disc type CD-ROM drive, promptly utilizing load plate that CD is delivered in the CD-ROM drive reads, yet the load plate of load plate formula CD-ROM drive is easily when the user places CD, produce the chuck phenomenon because of placement location is incorrect, and after the user takes out CD, as forget when being retracted into load plate in the CD-ROM drive, sever load plate easily, based on the problems referred to above, at present existing absorbing optical drive structure, this type of is without load plate, when directly CD being pushed into the absorbing optical drive structure, its internal mechanism can push CD-ROM drive with CD, just as sucking CD, yet, the absorbing optical drive structure is when advancing the sheet location to heart CD at present, can produce the inaccurate situation in location, so that can't rotary turnplate read the data on the CD, promptly accurately the intercalation rotary CD causes and can't read data by rotary CD on rotating disk, so-called location is to the heart, be CD when advancing sheet, CD be positioned one give and establish the fixed position, make cd center hole aim at rotating disk (Turntable), so that rotating disk can be intercalated in cd center hole, rotary CD reads data.

Summary of the invention

Fundamental purpose of the present utility model, when being to provide a kind of CD to advance sheet, automatically advance by push rod, set upright by push rod, second connecting rod and activation bar, locate by backstay, CD accurately is positioned the fixed position, guarantees that rotating disk accurately is intercalated in the center pit of CD, rotary CD reads the absorbing optical drive structure of data.

Another purpose of the present utility model, when being to provide a kind of CD to move back sheet, as long as push special-purpose invert button, the absorbing optical drive structure that CD can be released automatically.

A purpose more of the present utility model when being to provide a kind of CD to advance sheet, can be avoided not being pushed in the CD-ROM drive meeting the CD mistake that the utility model reads the data specification, and the absorbing optical drive structure of chuck phenomenon takes place.

In order to achieve the above object, a kind of absorbing optical drive structure is installed a movement on a pedestal, movement is provided with one and reads the rotating disk of data in order to the intercalation rotary CD, and it is characterized in that: this CD advances the sheet detent mechanism, mainly comprises: a sliding body, be located at pedestal, this sliding body can move up and down;

One gearing is located at pedestal, and the drive sliding body moves;

One sliding panel is located at this sliding body lower end;

One push rod is located at pedestal, and this sliding panel drives this push rod action;

One linkage assembly is located at the pedestal upper end, advances in the sheet process to contact at CD at CD; And

A positioning rod is located at the opposite side of the relative sliding body of pedestal, and this backstay location CD is in to heart position.

And CD moves back sheet mechanism, mainly comprises:

One sliding body is located at this pedestal, and this sliding body can move up and down;

One gearing is located at this pedestal, drives this sliding body and moves;

One linkage assembly is located at the pedestal upper end, comprises first connecting rod and second connecting rod, and first connecting rod is positioned at the sliding body upper end, and an end is articulated in pedestal and colludes and is provided with elastic parts, middle sliding inserting in the sliding body, and other end cunning inserts in the guide channel of second connecting rod; Second connecting rod is provided with a guide channel, and second connecting rod one end is articulated in pedestal, and the other end is provided with the push shaft and the pushing block of conflict CD.

Advantage of the present utility model is:

1, because cooperatively interacting of set push rod, linkage assembly and backstay when CD advances sheet, can be positioned exactly to give and establish the fixed position, and rotating disk can accurately be intercalated in cd center hole, rotary CD reads data.

2, when desiring to make CD move back sheet, as long as push quitting function button (special-purpose invert button), activate the motor backward rotation, then linkage assembly can be released CD outside the CD-ROM drive automatically.

3, when little CD (CD that falls short of specifications) mistake being pushed in the CD-ROM drive, no matter being pushed into the side or on the right side of keeping left, all CD-ROM drive will be released automatically.

Description of drawings

Fig. 1, be the stereographic map of the utility model preferred embodiment.

Fig. 2, be the three-dimensional exploded view of the utility model preferred embodiment.

Fig. 3, advance the vertical view of sheet original state for the utility model preferred embodiment CD.

Fig. 4, be the vertical view of the utility model preferred embodiment CD automatic threading state.

Fig. 5, advance sheet location vertical view for the utility model preferred embodiment CD to heart state.

Fig. 6, read the vertical view of data state for the utility model preferred embodiment CD.

Fig. 7, advance the vertical view of sheet state for the little CD of the utility model preferred embodiment.

Embodiment

For to structure of the present utility model, technical characterictic and effect thereof, can have and further understand and be familiar with, lift a preferred embodiment now, and conjunction with figs. is described in detail as follows:

Shown in Fig. 1,2, the utility model one preferred embodiment, a kind of absorbing optical drive structure is installed the fore-set 11 of a movement 30 (Traverse) and corresponding movement 30 through holes on a pedestal 10, movement 30 is provided with one and reads the rotating disk 31 of data in order to the intercalation rotary CD; Movement 30 front end both sides respectively are provided with a lifting column 32,33, pedestal 10 bottoms are provided with a gearing 38, this gearing 38 comprises a motor 39 and drives a gear set 40 rotations, connect between motor 39 and power supply and one often open trigger switch, ad hoc in addition one is installed on the reversal switch of base-plates surface, gear set 40 meshes with a tooth bar 42 of sliding body 41 bottom sides, and drive the sliding body 41 be located at pedestal 10 and move up and down, sliding body 41 upper surfaces are provided with a stopper slot 44, and upper side is provided with a traversing groove 46, this traversing

groove

46 and 42 of tooth bars are provided with the first lifting groove 48, and this first lifting groove 48 is a skewed slot.

One traversing main body 50 1 ends are provided with a sliding traversing post 51 that inserts in the sliding body 41 traversing grooves 46, traversing main body 50 sides are provided with the second lifting groove 52, the second lifting groove 52 is a skewed slot, two lifting columns 32 of

movement

30,33 are intercalated in respectively in the first lifting groove 48 and the second lifting groove 52, when gearing 38 drive sliding bodies 41 move up, because traversing groove 46 back segments are provided with an inside gradient, therefore traversing groove 46 will be guided traversing main body 50 and be moved to sliding body 41 directions, insert in two lifting columns 32 of the first lifting groove 48 and the second lifting groove 52 this moment, 33, to under the guiding of the first lifting groove 48 and the second lifting groove 52, move up, so can drive movement 30 moves up, by the movement 30 that moves up, rotating disk 31 intercalations to being positioned to give in the cd center hole 97 of establishing the fixed position, are read data with rotary CD.

Then, cause first lifting groove 48 and the second lifting groove, 52 back segments are downward skewed slot, so 30 of movements move down and leave CD, so that rotary CD reads data, this action is CD and advances the part action that sheet reads data, CD enter sheet and location to the detailed action of the heart, see also being described in detail of Fig. 3-7;

In like manner, when CD moves back sheet, as long as push special-purpose invert button, motor 39 counter-rotatings, 41 of sliding bodies move down, and traversing main body 50 moves towards leaving sliding body 41 directions, when moving down, CD is pushed up from rotating disk, to finish the subsequent action that moves back sheet movement 30 by fore-set 11.In addition, for fear of the double swerve of movement 30 when the lifting moving, be positioned on the pedestal 10 of lifting column 32,33 front ends and be respectively equipped with a limiting plate 34,36, this limiting plate 34,36 respectively is provided with a

straight trough

35,37 with respect to the position of lifting column 32,33, only can make lifting moving with restriction lifting column 32,33.

One sliding panel, 60, two fixed orifices 61 are located by two fixed legs 43 of sliding body 41 lower ends, and are fixedly arranged on sliding body 41 lower ends; Sliding panel 60 is provided with a locating slot 63, pedestal 10 places corresponding to sliding panel 60 belows are provided with a push rod 64, the through hole 65 of this push rod 64 is articulated on the projection 12 of pedestal 10, on push rod 64 upper surfaces, under be respectively equipped with a reference column 68 and a push shaft 66, what this push shaft 66 sheathed one was used to push CD pushes away

body

67,68 intercalations of reference column are to the locating slot 63 of sliding panel 60, when sliding panel 60 moves, locating slot 63 will guide push rod 64 swings, push rod 64 also is provided with and can colludes the hooked scarf 69 of establishing an elastic parts 13, elastic parts 13 other ends then collude to be located on the set hooked scarf 14 of pedestal 10, when not inserting CD, elastic parts 13 makes the push shaft 66 of push rod 64 and the sheathed body 67 that pushes away on it be positioned at the right side of pedestal 10 inlets (as Fig. 1, shown in 3).

One linkage assembly 70, comprise first connecting rod 71 and second connecting rod 75, first connecting rod 71 upper ends are provided with a through hole 72, be articulated in the set stationary shaft 15 in pedestal 10 upper ends, this stationary shaft 15 was nested with an elastic parts 16 earlier before first connecting rod 71, these elastic parts 16 two ends are colluded respectively and are located at the set set hooked scarf 99 of a hooked scarf 29 and first connecting rod 71 bottoms of pedestal 10, first connecting rod 71 belows are convexly equipped with a limited post 73, this limited post 73 is intercalated in the stopper slot 44 of sliding body 41, first connecting rod 71 is swung with moving of sliding body 41, first connecting rod 71 lower ends are provided with a guide posts 74, guide posts 74 is intercalated in the set guide channel 76 of second connecting rod 75, second connecting rod 75 is provided with a through hole 77, this through hole 77 is articulated in the set projection 17 of pedestal 10, the second connecting rod lower end is provided with a push shaft 78, and push shaft 78 sheathed is used to push the pushing block 79 of CD.

One separating plate 54, its two fixed orifice 55 is located by traversing main body 50 two set fixed legs 53, and is fixedly arranged on the traversing main body 50, and bottom, separating plate 54 upper ends is provided with a separating column 56;

One activates bar 80, be provided with a through hole 81 and be articulated in the set projection 18 in pedestal 10 upper ends, to activate bar 80 and be located at pedestal 10 upper ends, activate bar 80 other ends and be provided with a push shaft 82, these push shaft 82 sheathed pushing blocks 83, with the CD application of force to being contacted, activate bar 80 upper ends and convex with a hooked scarf 84 downwards, establish an elastic parts 19 to collude, this elastic parts 19 is placed in the storage tank 20 of pedestal 10, and elastic parts 19 other ends then collude the hooked scarf 21 of being located at storage tank 20, bottom, activation bar 80 upper ends is convexly equipped with one and pushes away post 85, push away post 85 sliding inserting in the arc groove 22 of pedestal 10, and contact at separating plate 54 front ends, guiding was stirred and is pushed away post 85 when separating plate 54 moved, force activation bar 80 to move along arc groove 22, activate bar 80 upper ends and also be provided with two fixed orifices 86, be nested in two set fixed legs 88 of an activation block 87 respectively, with fixing activation block 87, these activation block 87 bottoms are provided with one and activate post 89, activate the activation groove 23 that post 89 passes pedestal 10,, start or close the motor 39 of gearing 38 to activate trigger switch.

A positioning rod 90, be provided with a through hole 91, this through hole 91 is articulated in a projection 24 of pedestal 10 1 sides, backstay 90 lower end side upwards are convexly equipped with a fixed head 92, fixed head 92 is provided with a positioning block 93, when CD advances sheet, CD is positioned to give establishes the position, backstay 90 upper ends then are provided with a swash plate 94, swash plate 94 is inserted in the storage tank 25 of pedestal 10, contact at separating column 56, when traversing main body 50 drive separating plates 54 moved, separating column 56 will move to give by swash plate 94 drive backstays 90 established the fixed position, establish a hooked scarf 95 in the middle of backstay 90 upper ends, establish an elastic parts 26 to collude, this elastic parts 26 is placed in the storage tank 27 of pedestal 10 upper ends, and elastic parts 26 other ends then collude the hooked scarf 28 of being located at storage tank 27.

Shown in Fig. 3-7, the utility model below will be described in detail in detail enter the sheet location, read cd resource, and the motion process that moves back sheet.

Referring to shown in Figure 3, original state when not inserting CD for the utility model, this moment, motor 39 did not start, when the user pushes CD-ROM drive with CD 96, push rod 64 is under elastic force (clockwise direction) effect of elastic parts 13, make and push away body 67 and keep in touch with CD 96, when continuing that CD 96 is inwardly promoted (as shown in Figure 4), 96 of CDs promote the pushing block 79 of second connecting rod 75 and swing clockwise with the pushing block 83 that activates bar 80, the swing that activates bar 80 drives activation block 87 and moves, the activation post 89 of activation block 87 will activate trigger switch, and starter motor 39 is just changeing.

Described referring to Fig. 4, when motor 39 is just changeing drive gear set 40 rotations, driving sliding body 41 by tooth bar 42 moves up, simultaneously, the locating slot 63 of sliding panel 60 will be guided push rod 64 and be swung clockwise, promote CD 96 and enter CD-ROM drive, and first connecting rod 71 is under the guiding of sliding body 41, its elastic parts 16 down of pulling (clockwise direction) makes second connecting rod 75 swing counterclockwise, and pushing block 79 is contacted on CD 96 right sides; Activate bar 80 under the promotion of CD, (clockwise direction) elastic parts 19 that stretches makes and activates bar 80 counter-clockwise swings, makes pushing block 83 contact at upper end, CD 96 left sides; 3 of above-mentioned conflict are only played propelling and centralizing function.

Referring to shown in Figure 5, under the guiding of sliding body 41, when push rod 64 is pushed into CD-ROM drive fully with CD 96, contact at the locating piece 93 of backstay 90, push rod 64 then is positioned at the bottom of CD 96, linkage assembly 70 contacts at CD 96 upper ends with activating bar 80, so CD 96 can be positioned to give and establish the position, makes the rotating disk 31 of the center pit 97 aligning movements 30 of CD 96; At this moment, sliding body 41 still continues up to move, the traversing post 51 of then traversing main body 50 will be directed to the back segment skewed slot by the traversing groove 46 of sliding body 41, and drive traversing main body 50 and move towards sliding body 41 directions, move up by the first lifting groove 48 and the second lifting groove, 52 guidings, two lifting columns 32,33, and then drive movement 30 and move up, withstand CD 96 by CD-ROM drive loam cake casing, rotating disk 31 just can accurately be inserted in the center pit 97 of CD 96.

When sliding body 41 up moves when rotating disk 31 headed into CD 96, push rod 64 position at this moment, be displaced into because of reference column 68 in the straight trough of locating slot 63, so the position can not change, and second connecting rod 75 also is displaced in the straight trough of stopper slot 44 because of the limited post 73 of first connecting rod 71, also can not change the position of second connecting rod 75, in addition, when mobile, the separating column 56 of separating plate 54 is a straight-line segment because of backstay 90 leading portions to traversing main body 50 horizontal, changes its positions so can not drive backstay 90.

Referring to shown in Figure 6, rotating disk 31 before rotary CD 96 reads data, must make contact CD 96 with the push rod 64 of fixed position, second connecting rod 75, activate bar 80 and recess CD 96 with backstay 90, just can scratch CD 96; The process that this action is finished is as follows, at this moment, sliding body 41 still up moves in continuation, sliding panel 60 moves with sliding body 41, make locating slot 63 back segment skewed slots guiding push rod 64 move away the lower end of CD 96, and the limited post 73 of first connecting rod 71 will make the second connecting rod 75 of interlock recess right side, CD 96 upper end under the guiding of sliding body 41 stopper slots 44 back segment skewed slots; Because traversing main body 50 moves towards sliding body 41 directions, separating plate 54 edge direction of turning right is moved, and push away post 85 by what separating plate 54 front ends promoted to activate bar 80, make and activate bar 80 and recess CD 96; Simultaneously, drive the swash plate 94 of backstays 90, make backstay 90 recess CD 96 by the separating column 56 of separating plate 54; Because the first lifting groove 48 and the second lifting groove, 52 back segments are downward-sloping skewed slot, so will guide the movement 30 disengaging CD that moves down, so far, activate bar 80 sides disengaging trigger switch, after motor 39 is shut down, can read data by rotating disk 31 rotary CDs 96.

When the user desires to make CD 96 to move back sheet, as long as push ad hoc quitting function button (ad hoc invert button), activate motor 39 backward rotation, drive sliding body 41 and move down, at this moment, the first lifting groove 48 and the second lifting groove 52 will be guided lifting column 32,33 rise earlier, the back descends, fully to advance the sheet finder opposite, last with CD 96 for motor program, and fore-set 11 pushes up CD 96 behind rotating disk 31, second connecting rod 75 by linkage assembly 70 outwards promotes CD 96, and CD 96 is released outside the CD-ROM drive.

Referring to shown in Figure 7, for fear of the user little CD 98 is inserted into the chuck problem that the utility model causes, for example use 8 centimeters CDs, deflection left side in little CD is pushed into CD-ROM drive of the present utility model, can't promote to activate bar 80 fully and activate trigger switch, so can't finish the subsequent action that sheet into reads CD 98, therefore, when little CD 98 enters the sheet location, can avoid the phenomenon of chuck, and activate bar 80 under the effect of elastic parts 19 pulling force, and little CD 98 can be ejected, can not be stuck in the CD-ROM drive; In addition, when little CD 98 is pushed into the utility model deflection right side, then can push up second connecting rod 75, at this moment, first connecting rod 71 is under the 16 clockwise elastic force effects of lower end elastic parts, to drive second connecting rod 75 contrary pin rotations and move, CD 98 will be released, and can avoid little CD 98 to be stuck in the CD-ROM drive equally.

The above is not to limit practical range of the present utility model with this, and those who are familiar with this art use principle of the present utility model and technical characterictic such as, and various changes and the decoration done all should be covered by within the category that these claims protect.

Claims

1. absorbing optical drive structure is installed a movement on a pedestal, movement is provided with one and reads the rotating disk of data in order to the intercalation rotary CD, it is characterized in that: this CD advances the sheet detent mechanism, mainly comprise: a sliding body, be located at pedestal, this sliding body can move up and down;

One gearing is located at pedestal, and the drive sliding body moves;

One sliding panel is located at this sliding body lower end;

2. absorbing optical drive structure according to claim 1 is characterized in that: this CD-ROM structure more comprises an activation bar of being located at the pedestal upper end, and this CD advances sheet and then promotes this activation bar, to activate trigger switch, the running of turning circuit drive transmission.

3. absorbing optical drive structure according to claim 1 is characterized in that: side, described sliding body bottom is provided with a tooth bar, and gearing comprises a motor and a gear set, and this gear set of motor driven and the rack drives sliding body that is meshed move.

4. absorbing optical drive structure according to claim 1 is characterized in that: described sliding panel is established a locating slot, and a reference column cunning that is articulated on the pedestal push rod inserts in this locating slot, and drives the push rod action, promotes this CD and enters the sheet location.

5. absorbing optical drive structure according to claim 4 is characterized in that: described sliding body continues to move up after the CD location is to the heart and drives this sliding panel, and this locating slot is guided this reference column, promotes push rod and recesses CD.

6. absorbing optical drive structure according to claim 1 is characterized in that: described push rod colludes and is provided with an elastic parts, and this elastic parts other end colludes is located at pedestal.

7. absorbing optical drive structure according to claim 1, it is characterized in that: described linkage assembly includes first connecting rod one end and is articulated in pedestal, and collude and be provided with an elastic parts, this elastic parts other end colludes is located at pedestal, this first connecting rod is positioned at the sliding body upper end, and other end cunning inserts in the guide channel of second connecting rod, and second connecting rod one end is articulated in pedestal, first connecting rod drives second connecting rod, makes the second connecting rod other end contact at CD.

8. absorbing optical drive structure according to claim 7, it is characterized in that: described first connecting rod below is convexly equipped with a limited post, this limited post cunning inserts in the stopper slot of sliding body upper end, sliding body continues to move up, this stopper slot drives limited post moves first connecting rod, and the drive second connecting rod is recessed CD.

9. absorbing optical drive structure according to claim 1, it is characterized in that: described sliding body upper side is provided with a traversing groove, one end cunning of one transverse-moving mechanism inserts in this slippage slot, moving this transverse-moving mechanism of shipper pole moves towards the sliding body direction on this sliding body, this sliding body moves on continuing, and then this transverse-moving mechanism drives this backstay and recesses CD.

10. absorbing optical drive structure according to claim 9 is characterized in that: described transverse-moving mechanism includes a traversing main body, and this traversing main body one end is provided with a traversing post, and this traversing post cunning inserts in the traversing groove; This traversing main body is provided with a separating plate, and this separating plate below convexes with a separating column, and when mobile, this separating column drives the set swash plate of this backstay one end to this traversing main body, makes this backstay recess this CD after this CD location is to the heart.

11. absorbing optical drive structure according to claim 1 is characterized in that: described backstay one end colludes and is provided with an elastic parts, and this elastic parts one end colludes is located at pedestal.

12. absorbing optical drive structure according to claim 1, it is characterized in that: this CD-ROM structure more comprises one and activates bar, and the one end is located at the pedestal upper end, and colludes and be provided with an elastic parts, this elastic parts other end colludes is located at pedestal, and this activation bar contacts at CD in CD is located heart process.

13. absorbing optical drive structure according to claim 12, it is characterized in that: described CD location is to behind the heart, this sliding body continues to move up, and drive the transverse-moving mechanism be located at the sliding body upper side and move towards the sliding body direction, this transverse-moving mechanism drives this activation bar and recesses CD, this sliding body upper side is provided with a traversing groove, and this transverse-moving mechanism one end is intercalated in this slippage slot, and moves in this traversing groove.

14. absorbing optical drive structure according to claim 13, it is characterized in that: described transverse-moving mechanism comprises a traversing main body, the set traversing post of this traversing main body one end is intercalated in traversing groove, this traversing main body is provided with a separating plate, this traversing main body is after CD location is to the heart when mobile, this separating plate drive activate that bar below is convexly equipped with one push away post, drive this activation bar and recess this CD.

15. absorbing optical drive structure according to claim 1, it is characterized in that: described sliding body side is provided with a traversing groove and the first lifting groove, this traversing groove intercalation has the traversing post of traversing main body one end, this traversing main body side is provided with the second lifting groove, these movement front end both sides respectively are provided with a lifting column, be embedded at respectively in the first lifting groove and the second lifting groove, this slippage main body is in CD location on to mind-set when mobile, driving this traversing main body moves towards this slippage main direction, the first lifting groove and the second lifting groove are then guided lifting column and are risen, the drive movement rises, and CD is headed in the rotating disk.

16. absorbing optical drive structure according to claim 1 is characterized in that: described backstay bottom is provided with a positioning block, and the location CD is established the fixed position in giving.

17. an absorbing optical drive structure is installed a movement on a pedestal, movement is provided with one and reads the rotating disk of data in order to the intercalation rotary CD, and it is characterized in that: its CD moves back sheet mechanism, mainly comprises:

One gearing is located at this pedestal, drives this sliding body and moves;

18. absorbing optical drive structure according to claim 17, it is characterized in that: described sliding body lower end side is provided with a tooth bar, gearing comprises a motor and a gear set, and this motor driven gear set rotates, and moves by the rack drives sliding body that is engaged in gear set.

19. absorbing optical drive structure according to claim 17, it is characterized in that: described first connecting rod one end is convexly equipped with a guide posts, this guide posts cunning inserts in the second connecting rod guide channel, the first connecting rod below is convexly equipped with a limited post, this limited post cunning inserts in the stopper slot of sliding body upper end, this stopper slot drives limited post, makes first connecting rod drive the second connecting rod swing.

20. absorbing optical drive structure according to claim 17 is characterized in that: described first connecting rod colludes the elastic parts of establishing, its other end colludes is located at pedestal.

21. absorbing optical drive structure according to claim 17, it is characterized in that: described sliding body side is provided with a traversing groove and the first lifting groove, the sliding traversing post of inserting a traversing main body of this traversing groove, this traversing main body side is provided with the second lifting groove, these movement front end both sides respectively are provided with a lifting column, be embedded at respectively in the first lifting groove and the second lifting groove, this slippage main body is moved back sheet when moving down in CD, drive traversing main body towards moving away from the slippage main direction, the first lifting groove and the second lifting groove are then guided two lifting columns and are moved down, the drive movement descends, and this CD is pushed up from rotating disk by a fore-set.