CN1750151A

CN1750151A - Optical disc cassette loading and unloading device for optical disc driver

Info

Publication number: CN1750151A
Application number: CN 200410066383
Authority: CN
Inventors: 金哲奎; 刘承宪
Original assignee: Shanghai LG Electronics Co Ltd
Current assignee: Shanghai LG Electronics Co Ltd
Priority date: 2004-09-15
Filing date: 2004-09-15
Publication date: 2006-03-22
Anticipated expiration: 2024-09-15
Also published as: CN100444267C

Abstract

The optical disc cassette loading and unloading device for optical disc driver includes one frame with one end hinged to the driver body and capable of rotating up and down between one opening position for inserting the optical disc cassette and one closing position; one movable baffle opening unit protuberant into the frame to open the movable baffle for the optical disc cassette; and one clamping unit to fix the frame in closing position. The present invention makes the movable baffle opening and closing direction the same as that of optical disc cassette to pass in and out and has simple and reliable operation of the movable baffle. In addition, the movable baffle needs no hinging to the frame and this greatly reduces the thickness of the optical disc driver.

Description

Optical disc cassette loading and unloading device for optical disc driver

(1) technical field

The invention relates to optical disc cassette loading and unloading device for optical disc driver, refer in particular to a kind of optical disc cassette loading and unloading device for optical disc driver that is suitable for ultrathin CD drive structure.

(2) background technology

In general, the CD D that is arranged in optical disk cartridge inside relies on drive records concentric type magnetic track informations such as DVD, or the information of regenerative recording, this CD is realized by reading device with the optical take-up apparatus that the record surface that the semiconductor laser beam directive rotates with the linear velocity mode is cheated.

Above its formation of said CD drive with identical shown in Fig. 1,2, its formation comprises: for adhering to the dish 16 of the optical disk cartridge 10 that receives CD; Dish 16 horizontal directions can be taken out or introduced and the box 18 of device; Be provided with in the inside of box 18 and read the lamination of unloading CD; And at the top cover 22 of the top of box combination.

On the one side of optical disk cartridge 10, expose to the object lens direction of optical Pickup device for making the CD nonmagnetic portion, be provided with moveable shield 12, be provided with at the two ends of active covering plate 12 and block protuberance 12a.When taking out optical disk cartridge 10, return to original state 12 for making the active covering plate 12 that is in open state, optical disk cartridge 10 is connected with an end of spring 14 respectively with active covering plate 12.

Middle body about top cover 22 is formed with folder hole 22a greatly, and the clamper 26 of in locker 24 the CD nonmagnetic portion being clamped or being removed for the rotating disk (not shown) also is combined on the top cover.

Same as shown in Figure 2, for opening the slide bar 28 that is provided with to box 18 inner introducing optical disk cartridge 10 active covering plates 12, it movably is combined on top cover 22 bottom surfaces by hinge; In slide bar 28, insert top cover 22 and introduce hole 22b and outstanding with the projection 28a one of the restriction anglec of rotation.When taking out optical disk cartridge 10, return to initial position for making slide bar 28, the end of torque spring 30 is connected with top cover 22 with slide bar 28 respectively.

The active covering plate device for opening of existing optical disk cartridge same as described above, be the information on record or the regeneration CD, above box 18 the place ahead taking-up dishes 16, after laying optical disk cartridge 10, as press the ejector button (not shown), rely on reading device not shown in the figures, dish 16 moves and introduces to box 10 inner horizontal, at this moment, dish 16 is incorporated into to a certain degree, active covering plate 12 block the end that protuberance 12a blocks slide bar 28.

After this, along with dish 16 continuation is introduced, when expose fully at the magnetic position of CD till, slide bar 28 promotes to block protuberance, and active covering plate 12 is opened fully.At this moment, according to the anglec of rotation that the projection 28a that inserts top cover 22 introducing holes regulates active covering plate 12, the torque spring 30 that is connected with slide bar 28 other ends is kept the state of compression.

Simultaneously, active covering plate 12 is opened fully, and the clamper 26 that combines with locker 24 descends on one side and the CD non-magnetic portion is stuck in rotating disk 32.

But, identical with the above, for opening the active covering plate that places optical disk cartridge, the bottom surface of top cover combines with hinge with slide bar, thus the height of CD drive, promptly, it is big that whole size also becomes thereupon, just caused the difficulty of CD to the miniaturization development, in addition, because slide bar one end is not stuck protuberance correctly block or active covering plate when open an end of slide bar broken away from and blocked protuberance, active covering plate can not be opened fully.

(3) summary of the invention

The present invention proposes for solving the problem that exists above, the object of the present invention is to provide a kind of thickness that not only can reduce the optical disk cartridge handler, make the thickness of CD drive towards the miniaturization development, and can make the switching of active covering plate more stable, a kind of optical disc cassette loading and unloading device for optical disc driver that improves the quality of products.

The present invention is for realizing above-mentioned purpose, its formation of handler of the CD drive optical disk cartridge that is provided comprises: an end and driver itself carries out hinge and is connected, the framework of fuselage that can rotate up and down between release position of inserting optical disk cartridge and off-position; Outstanding formation in the inboard of above-mentioned framework of fuselage, and the open active covering plate open system that inserts the optical disk cartridge active covering plate; Framework of fuselage is fixed on the clamper of off-position.

Here, it constitute to wish further to comprise that recovery device, recovery device are for making framework of fuselage return to the release position described handler, and an end links to each other with described driver fuselage, and the other end is connected with framework of fuselage.

Simultaneously, its formation of described recovery device comprises: an end combines with framework of fuselage and slidably, the other end links to each other with the driver fuselage and rotatable linkage component; And one end be fixed on the described linkage component torque spring that the other end links to each other with the driver fuselage.

In addition, wish further to comprise: when framework of fuselage recovers to the release position, discharge the device for ejecting of optical disk cartridge.

Simultaneously, its formation of described device for ejecting comprises: for moving between position and the drain position packing into, be connected with framework of fuselage, for supporting around the optical disk cartridge that inserts, form the ejection folder (cart) that ejects projection; One end forms and is fixed on the laminated spring shape of framework of fuselage side, and the mounting board that makes the ejection clamping fix on charging apparatus is lived parts; Block the triggering spring assembly that equipment blocks folder along with making framework of fuselage to the operation that open system recovers, make to eject to press from both sides to get rid of; Projection forms in ejecting folder blocks projection, can block and eject folder and block the face that blocks that forms in the parts at folder (cart); Live the triggering kayser that forms in the parts at mounting board; Make trigger that kayser can block and in triggering spring members, form block sheet.

Effect of the present invention:

According to optical disc cassette loading and unloading device for optical disc driver of the present invention, two kinds of main effects are as follows:

Same as described above, it is consistent that optical disc cassette loading and unloading device for optical disc driver of the present invention makes active covering plate switching direction and optical disk cartridge go out Inbound, with the active covering plate parts together the part of projection insert opening groove and promote active covering plate, because active covering plate is open, so active covering plate opens and closes (noting: please check original text) action and compared more simply in the past, and the trust of on-off action is also increasing.

In addition, the active covering plate parts are consistent with existing slide bar, and the necessity of joining with hinge with fuselage so the thickness of CD drive also can significantly reduce, does not make CD drive develop to miniaturization.

For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.

(4) description of drawings

Fig. 1 and Fig. 2 are the organigrams of existing optical disc cassette loading and unloading device for optical disc driver:

Fig. 1 is the synoptic diagram of CD drive;

Fig. 2 is that the top cover of Fig. 1 CD drive is removed later planimetric map.

Fig. 3 to Fig. 9 is the formation synoptic diagram according to the optical disk cartridge handler of the embodiment of the invention:

Fig. 3 is the synoptic diagram of CD drive;

Fig. 4 is the device for ejecting enlarged diagram of Fig. 3 optical disk cartridge handler;

Fig. 5 is the synoptic diagram that Fig. 4 ejects folder;

Fig. 6 is that the mounting board of Fig. 4 is lived schematic representation of apparatus;

Fig. 7 is the synoptic diagram that Fig. 4 triggers spring assembly;

Fig. 8 is the synoptic diagram of Fig. 3 clamper;

Fig. 9 is the synoptic diagram of Fig. 3 restoring means.

Figure 10 to Figure 12 is the organigram of the optical disk cartridge that uses in Fig. 3 optical disk cartridge handler:

Figure 10 is the decomposing schematic representation of optical disk cartridge;

Figure 11 is the synoptic diagram of Figure 10 active covering plate open state;

Figure 12 is the synoptic diagram of Figure 10 active covering plate closed condition.

The symbol description of major part in the accompanying drawing:

500: optical disk cartridge handler 501: the active covering plate open system

520: eject folder 524: block projection

530: folder (cart) blocks parts 533a: block face

535: trigger kayser 540: trigger spring assembly

542: block sheet 550: clamper

560: restoring means 561: linkage component

562: torque spring 575: framework of fuselage

(5) embodiment

Below, with reference to accompanying drawing, the embodiment of optical disc cassette loading and unloading device for optical disc driver of the present invention is described in detail.

Just in, to well-known function or be formed under the prerequisite that does not depart from the main thought of the present invention and no longer specified to declarative procedure of the present invention.

Fig. 3 to Fig. 9 is the handler formation synoptic diagram according to the optical disk cartridge of the embodiment of the invention.Fig. 3 is the synoptic diagram of CD drive, and Fig. 4 is the expansion synoptic diagram of the device for ejecting of Fig. 3 optical disk cartridge handler; Fig. 5 is the synoptic diagram that Fig. 4 ejects folder, and Fig. 6 is that Fig. 4 presss from both sides the synoptic diagram that (cart) blocks parts; Fig. 7 is the synoptic diagram of the triggering spring members of Fig. 4; Fig. 8 is the synoptic diagram of the clamper of Fig. 3; Fig. 9 is the synoptic diagram of the recovery device of Fig. 3.

As shown in the figure, its formation of optical disk cartridge handler of CD drive of the present invention comprises: an end and driver itself carries out hinge and is connected, the framework of fuselage 575 that can rotate up and down between the release position that can insert optical disk cartridge and off-position; Support the support bar 571,572 of the both sides of framework of fuselage 575, will fix and insert the laminated spring 510 that the optical disk cartridge on the framework of fuselage 575 is pressed downwards; Be the open active covering plate open parts 501 of the outstanding to the inside active covering plate that forms in the side of framework of fuselage 575 that insert optical disk cartridge; The device for ejecting that the optical disk cartridge that inserts is discharged from framework of fuselage 575; The clamper 550 that makes framework of fuselage 575 be fixed on off-position and in the CD drive fuselage, be provided with; And one end be arranged on the CD drive fuselage, the other end is fixed on the support bar, the recovery device 560 that framework of fuselage 575 is recovered to the release position.

Above said laminated spring 510 its formations comprise: fuselage sheet 511; Project upwards two sway braces 512 that press down according to the bottom of top panel 576 in one end of fuselage sheet 511.

Above its formation of said device for ejecting comprise: for moving between position and the drain position packing into, the ejection folder 520 that is connected with framework of fuselage 575 sides; One end forms the laminated spring shape of the framework side that is fixed on framework of fuselage 575 sides, and the folder (cart) that makes the ejection clamping fix on charging apparatus blocks parts 530; Along with making framework of fuselage 575, ejection folder 520 is removed be subjected to mounting board to live the triggering spring assembly 540 that parts 530 stop to the operation that open system recovers.

Above said ejection folder 520 its formations comprise: be inserted with and the sliding bolt 513 of framework of fuselage 575 slidably guiding groove 525,526 formed fuselage plates 521; It is outstanding that fuselage plate 521 terminal inwardly surveyed, and the supporting CD box is also discharged the ejection projection 522 of optical disk cartridge; The outstanding projection 524 of blocking in the outside of fuselage plate 521; Block the spring that is bent downwardly formation in the end of projection 524 and block projection 523; One end blocks projection 523 with spring and links to each other, and the other end blocks the recovery spring 527 that projection 514 is connected with the spring of framework of fuselage 575.

Above said folder (cart) block parts 530 its formations and comprise: an end 532 is fixed on the laminated spring 531 of framework of fuselage 575; Eject folder 520 and pack into and block projection 524 in the position and can block for making, the face that the blocks 533a that the other end of laminated spring 531 projects upwards with block the mounting board that slip dip plane 533b downward-sloping in the upper end of face 533a forms and firmly lock 533; And mounting board is firmly locked in 533 the lower end the outstanding triggering that forms of horizontal direction laterally and is blocked lock 535.

Above said triggering spring assembly 540 its formations comprise: an end 541a is fixed on the laminated spring 541 on the fuselage of CD drive; And in the lower end side of laminated spring 541 outstanding form block sheet 542.

The described in the above top 542a that blocks face 542 blocks lock 535 at horizontally disposed block face 542b in the lower end for blocking to trigger from laminated spring 541 downward-sloping formation.

Above said clamper 550 its formations of device comprise: can be rotated among being stuck in the stuck position of blocking the groove (not shown) that forms in top panel 575 inboards and blocking the releasing position that the groove (not shown) do not block for making, and with the hinged hook 552 that blocks of CD drive; One end with block hook 552 and link to each other, the pillar 554 that blocks that the other end and CD drive are outstanding links to each other, and blocks the recovery spring 553 that hook 552 returns to stuck position; Can be slidingly connected in the CD drive front, and block hook 552 and link to each other, the user also can make and blocks hook 552 to removing the latch 551 that move the position.

Above said recovery device 560 comprise: an end is combined on the framework of fuselage and slidably, the other end also rotatable linkage component 561 that links to each other with the driver fuselage; And one end be fixed in the above on the said linkage component 561 torque spring 562 that the other end links to each other with the driver fuselage.

Figure 10 to Figure 12 is the synoptic diagram of optical disk cartridge structure, and Figure 10 is the decomposing schematic representation of optical disk cartridge, and Figure 11 is the active covering plate opened state synoptic diagram of Figure 10, and Figure 12 is the synoptic diagram of Figure 10 active covering plate closed condition.

As shown in the figure, it is constructed as follows according to CD optical disk cartridge of the present invention: rotatable CD 400 is housed in inside, shows out for making with CD 400 hubs 410 and the corresponding part of light picker moving line, the fuselage 200 that exposed portions serve 210 forms; In fuselage 200, slidably pack into, and close the active covering plate 300 of exposed portions serve 210.

Active covering plate 300 its formations comprise: pick up the corresponding part of moving line with CD 400 light and expose the corresponding fuselage device 320 of face; The corresponding hub protective device 310 of hub exposed portions serve; Remove the part of exposing face with the corresponding part of CD 400 light picker moving lines, cover the CD protecting device 330 of protection.

For driving the tracking of CD rotation and driving pick-up, make CD expose the minimized structure of degree, the CD optical disk cartridge of the present invention of this structure has can prevent effectively that the external contamination thing from entering into inside.

That is,, slide to drive according to active covering plate and can close its exposed portions serve for the CD exposed division and the hub exposed division of optomagnetic mobile alignment guaranteeing the pivot arm mode forms as one.

Thus, the intrusion of external contamination thing can be effectively prevented, the record regenerator miniaturization can be made according to the CD densification.

Have the means of active covering plate switch according to CD optical disk cartridge of the present invention, end insertion active covering plate open system 501 by fuselage 200 makes active covering plate 300 open, be formed with opening groove 204 in the longitudinal direction, in the CD drive of packing into, active covering plate 300 can be opened automatically, and when CD drive breaks away from, also active covering plate 300 can be automatically closed.This automatic switch means make active covering plate 300 be connected with fuselage 200 according to coil spring.

In addition, fuselage 200 appends to have constituted and blocks protuberance 220, makes active covering plate 300 be confined to the release position (Figure 11) and off-position (Figure 12) of driven for opening and closing.

Blocking of opened and closed positions swells 222 when active covering plate 300 is closed, for being seated to, active covering plate 300 can close the tram of exposed division 210 fully, the release position block protuberance 221 openings, the moving line position that active covering plate 300 is seated to guarantee pivot arm 3 according to active covering plate 300.

Below the operation of optical disk cartridge clutch optical disk cartridge handler is described.

If optical disk cartridge 200 is inserted the optical disk cartridge handler, at first active covering plate open system 501 inserts the opening groove 204 of optical disk cartridge 200, and makes the active covering plate 300 of optical disk cartridge move to the release position.

In addition, if optical disk cartridge 200 is inserted the optical disk cartridge handlers, the end of optical disk cartridge 200 promotes to eject the ejection projection 522 of folder 520, makes to eject folder 520 and move to the optical disk cartridge position of packing into.

Move to the optical disk cartridge position of packing into along with ejecting folder 520, block projection 524 with mounting board firmly lock 533 dip plane 533b downwards by after, the face 533a of blocking blocks, and ejects folder 520 and is fixed on the optical disk cartridge installation site.

Simultaneously, trigger block lock 535 contacts to trigger spring equipment 540 block sheet 542 above 542a and moving, and block face 542b.

Next, the box-packed handler of closing CD, clamper 550 block hook 552 after removing the position, move to stuck position once more, and the plate 576 that is fixed in the above.When the user takes out the situation of optical disk cartridge, push away latch 551, make and block hook and move, handler framework of fuselage 575 is rotated to the release position according to recovery device 560 to removing the position.

Rotation along with framework of fuselage 575, according to being fixed on the triggering kayser 535 that blocks face 542b, mounting board is lived parts 530 bendings, removes to be fixed on the constraint of blocking projection 524 of blocking face 533a, and make and eject folder 520 and move to drain position, optical disk cartridge is discharged.

In addition, triggering spring assembly 540 dependence mounting boards are lived parts 530 and are carried out bending, break away from from triggering kayser 535 or blocking face 542b.

Identical with the above, it is consistent that the optical disc cassette loading and unloading device for optical disc driver of the invention process example makes active covering plate switching direction and optical disk cartridge go out Inbound, with active covering plate device 501 together the part of projection insert opening groove 204 and promote active covering plate, because active covering plate is open, so the active covering plate on-off action with compared more simply in the past, and the trust of on-off action is also increasing.

In addition, the active covering plate parts are consistent with slide bar in the past, not with fuselage with hinge join very necessary, so the thickness of CD drive also can significantly reduce, CD drive is developed to miniaturization.

Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.

Claims

1, a kind of optical disc cassette loading and unloading device for optical disc driver is characterized in that comprising:

One end and driver itself carries out hinge and be connected the framework of fuselage that can rotate up and down between the release position that can insert optical disk cartridge and off-position;

In the inboard of described framework of fuselage, be provided with projection, and the open active covering plate open system that insertion optical disk cartridge active covering plate is arranged;

Described framework of fuselage is fixed on the clamper of off-position.

2, optical disc cassette loading and unloading device for optical disc driver as claimed in claim 1 is characterized in that:

For making described framework of fuselage return to the release position, an end links to each other the recovery device that the other end is connected with framework of fuselage with described driver fuselage.

3, optical disc cassette loading and unloading device for optical disc driver as claimed in claim 2 is characterized in that described recovery device comprises:

One end is combined on the framework of fuselage and slidably, the other end links to each other with the driver fuselage and rotatable linkage component;

And one end be fixed in the above on the said linkage component torque spring that the other end links to each other with the driver fuselage.

4, optical disc cassette loading and unloading device for optical disc driver as claimed in claim 1 is characterized in that the formation of described optical disk cartridge comprises:

When framework of fuselage recovers to open system, discharge the device for ejecting of optical disk cartridge.

5, optical disc cassette loading and unloading device for optical disc driver as claimed in claim 4 is characterized in that the formation of described device for ejecting comprises:

For moving between position and the drain position packing into, be connected with framework of fuselage, for supporting around the optical disk cartridge that inserts, form the ejection folder that ejects projection;

One end forms and is fixed on the laminated spring shape of described framework of fuselage side, and the mounting board that makes the ejection clamping fix on charging apparatus is lived parts;

Along with the operation that described framework of fuselage is recovered to open system, live parts from described mounting board and eliminate the triggering spring assembly that blocks;

Projection forms in ejecting folder blocks projection, can block and eject folder and live the face that blocks that forms in the parts at mounting board;

Live the triggering kayser that forms in the parts at described mounting board;

Described triggering kayser can be blocked and in triggering spring members, form block sheet.