CN101246719A

CN101246719A - Cd rom

Info

Publication number: CN101246719A
Application number: CNA2007100792320A
Authority: CN
Inventors: 李明钊; 陈俊宏; 陈吏锋; 杨福仁
Original assignee: Lite On IT Corp
Current assignee: Lite On IT Corp
Priority date: 2007-02-13
Filing date: 2007-02-13
Publication date: 2008-08-20
Anticipated expiration: 2027-02-13
Also published as: CN100555430C

Abstract

The invention is a driver, comprising an optical read-write head for reading and writing files on an optical disc; a spindle motor for bearing and rotating the optical disc; a driving-withdrawing device for loading or unloading the optical disc; and an emergency withdrawing device consisting of a sliding block for connecting with the driving-withdrawing device, a rack and an elastic element for connecting the sliding block and the rack. When a user drives the sliding block with an external force, the elastic element elastically deforms because of the force, so that the sliding block shifts relative to the rack, thus driving the driving-withdrawing device to load the optical disc.

Description

CD-ROM drive

Technical field

The invention relates to a kind of CD-ROM drive, be meant a kind of CD-ROM drive especially with emergent rejecting device.

Background technology

Absorbing optical drive has the characteristic of specious and handled easily, and the user can be by the disk-ejecting mechanism of CD-ROM drive loaded disc sheet easily, and when desiring to eject CD sheet, the user can push one and move back the sheet button and make disk-ejecting mechanism carry out discs.Because it is to be driven by motor that disk-ejecting mechanism carries, when the system failure of CD-ROM drive or when losing power supply, the CD drive advance and retreat patch mechanism sheet that can't normally eject CD, then need drive an emergent rejecting mechanism with the sheet that ejects CD with manual mode this moment.

Absorbing optical drive 1 shown in United States Patent (USP) notification number 2004/0223420, CD-ROM drive 1 has a drive motor 21 and connects an emergent rejecting mechanism, and emergent rejecting mechanism is connected with an advance and retreat sheet device again, and this advance and retreat sheet device comprises into that sheet bar 17 and moves back sheet bar 18.Drive motor 21 is directly to drive emergent rejecting mechanism to move, and then drives the device loading of advance and retreat sheet or carry discs.Emergent rejecting mechanism comprises the tooth bar G2 of a driving gear set G1 and a special tectonic in order to mesh this driving gear set G1, and tooth bar G2 rear end also connects this advance and retreat sheet device.Drive motor 21 is to drive driving gear set G1 and drive tooth bar G2 in CD-ROM drive 1 inner moving, and drives advance and retreat sheet device along with moving of tooth bar G2 and load or carry discs.

When CD-ROM drive 1 because of the system failure or when losing power supply and can't normally move back sheet, meetings such as drive motor 21, driving gear set G1 and tooth bar G2 are because of the locking condition that forms of the engagement between its tooth portion.At this moment, the user needs to insert the one first perforation 3b that is located on the CD-ROM drive front panel 3 with a thimble P earlier, this first perforation 3b is located at the position that corresponds to driving gear set G1, therefore the user can be touched the member of driving gear set G1 by thimble P, and the tooth portion engagement binding between driving gear set G1 and the drive motor 21 is got loose.As driving gear set G1 not with drive motor 21 engagement after can freely rotating, the user must insert the one second perforation 3c that is located on the front panel 3 with thimble P again, this second perforation 3c is located at the position that corresponds to tooth bar G2, because of driving gear set G1 can freely rotate, therefore but user's application of force promotes tooth bar G2 in CD-ROM drive 1 inner moving, and then drive advance and retreat sheet device makes discs withdraw from CD-ROM drive 1.

So, the emergent rejecting mechanism of foregoing invention, its each element has and includes many mechanism's parts separately, similarly be that driving gear set G1 is except gear set 22,23,24,25, also comprise a sliding part 31, two latches 28,32 and a spring 33 etc., and has complicated connection relationship between mechanism's part, if one of them component failure then can cause emergent rejecting mechanism can't reach the function of hand reverse.

In addition, the user must can drive the emergent rejecting mechanism sheet that ejects CD via two operation stepss, and the user also need confirm whether the step of its hand reverse is correct, concerning the user and not convenient.

Therefore, for mechanism's number of packages order of the emergent rejecting mechanism that reduces CD-ROM drive to save cost and to reduce the CD-ROM drive size, propose a kind of CD-ROM drive, it has the less mechanism's number and the emergent rejecting mechanism of simple operation method, for being familiar with the direction that the people made joint efforts in this field.

Summary of the invention

In view of this, the purpose of this invention is to provide a kind of CD-ROM drive, this CD-ROM drive has an emergent rejecting device, and it is simple in structure, and easy to operate.If CD-ROM drive is in the system failure or lose under the situation of power supply, the user can manual mode drive the emergent rejecting device and the sheet that ejects CD.

Therefore, the present invention proposes a kind of CD-ROM drive, it is characterized in that, comprises:

One optical read/write head is in order to read and write the data on the discs;

One Spindle Motor is in order to carrying and rotate this discs;

One advance and retreat sheet device is in order to load or to carry this discs; And

One emergent rejecting device, this emergent rejecting device comprises:

One tooth bar;

One sliding shoe is to be connected with this advance and retreat sheet device; And

One flexible member is in order to connect this sliding shoe and this tooth bar;

Wherein, when the user drove this sliding shoe with an external force, this flexible member was because of stressed elastic deformation, and this sliding shoe is moved with respect to this tooth bar, and then drove this advance and retreat sheet device to carry this discs.

Wherein this flexible member has a protuberance and both ends, and these both ends are to be arranged on this sliding shoe together, and this tooth bar has a recess, with respect to this protuberance, in order to chimeric this protuberance, when this flexible member stress deformation, this protuberance is to break away from this recess.

Wherein this flexible member has a protuberance and both ends, and these both ends are to be arranged on this tooth bar together, and have a recess on this sliding shoe, with respect to this protuberance, in order to chimeric this protuberance, when this flexible member stress deformation, this protuberance is to break away from this recess.

Wherein this flexible member is a spring, and this spring has both ends and is arranged at respectively on this sliding shoe and this tooth bar.

Wherein this emergent rejecting device also comprises an ejection piece, and this ejection piece has a top board and a junction, and wherein this connecting portion is connected on this sliding shoe, and this ejection piece is to rotate with moving of this sliding shoe.

Description of drawings

In order to describe structure of the present invention and characteristics place in detail, below enumerate a preferred embodiment and conjunction with figs. the explanation as after, wherein:

Fig. 1 is the synoptic diagram of first embodiment of CD-ROM drive of the present invention.

Fig. 2 is the slide glass synoptic diagram of the CD-ROM drive of Fig. 1.

Fig. 3 is for to drive the synoptic diagram of the CD-ROM drive of the 1st figure with the sheet that ejects CD with manual mode.

Fig. 4 is the synoptic diagram of second embodiment of CD-ROM drive of the present invention.

Fig. 5 is for to drive the synoptic diagram of the CD-ROM drive of the 4th figure with the sheet that ejects CD with manual mode.

Fig. 6 is the synoptic diagram of the 3rd embodiment of CD-ROM drive of the present invention.

Fig. 7 is the slide glass synoptic diagram of the CD-ROM drive of Fig. 6.

Fig. 8 is for to drive the synoptic diagram of the CD-ROM drive of the 6th figure with the sheet that ejects CD with manual mode.

Embodiment

See also Fig. 1, it is the synoptic diagram of first embodiment of CD-ROM drive 1 of the present invention.CD-ROM drive 1 has an optical read/write head 2 in order to reading and writing data on the discs 16, a Spindle Motor 3 in order to carrying and rotary CD sheet 16, and an advance and retreat sheet device 4 is in order to load or to carry discs 16.

In addition, CD-ROM drive 1 comprises a drive motor 5, a worm screw 6, a gear set 7 and an emergent rejecting device 8 again, wherein worm screw 6 is socketed on the rotation axis of drive motor 5 and with gear set 7 and is meshed, and gear set 7 is to be connected with emergent rejecting device 8, and emergent rejecting device 8 is connected with advance and retreat sheet device 4.When drive motor 5 drove worm screws 6 and gear set 7 and rotates, because gear set 7 is connected with emergent rejecting device 8, so emergent rejecting device 8 can be in CD-ROM drive 1 inner moving, and then drive that advance and retreat sheet device 4 loads or year go out discs 16.

In the present invention, the detailed structure and the non-staple invention emphasis of advance and retreat sheet device, know this art person, can adopt the structure of different known structure as advance and retreat sheet device, therefore do not influencing under the exposure integrality, the advance and retreat sheet device of each icon of instructions is the clipped details, and only showing advance and retreat sheet device is to be connected with the emergent rejecting device, and driven by the emergent rejecting device, and also repeat no more in instructions about the detailed structure of advance and retreat sheet device.

Please consult Fig. 1 once more, the emergent rejecting device 8 of first embodiment of CD-ROM drive 1 of the present invention comprises a tooth bar 9, a flexible member 10 and a sliding shoe 11, wherein sliding shoe 11 is to be connected by flexible member 10 with tooth bar 9, when drive motor 5 drive tooth bars 9 moved, sliding shoe 11 can move with tooth bar 9.Tooth bar 9 has a tooth portion 91, and gear set 7 is connected with emergent rejecting device 8 by the tooth portion 91 of pinion rack 9.When CD-ROM drive 1 loads or carries discs 16, after the power of drive motor 5 outputs rotates via worm screw 6 driven gear groups 7, gear set 7 is adjusted the power of drive motor 5 outputs and is driven emergent rejecting device 8 in CD-ROM drive 1 inner moving, and then drive advance and retreat sheet device 4 loads or carry discs 16.

As shown in Figure 1, in the present embodiment, flexible member 10 has a protuberance 101 and one first and one the second end 102,103, and both ends the 102, the 103rd are arranged on the sliding shoe 11.Protuberance 101 is that semicircle and its two ends link to each other with both ends 102,103 respectively, and tooth bar 9 has one and protuberance 101 corresponding recesses 92, in order to the protuberance 101 that holds flexible member 10.Therefore, flexible member 10 is to be embedded recess 92 and connected sliding shoe 11 and tooth bar 9 by protuberance 101; When tooth bar 9 was driven by gear set 7, flexible member 10 can be restrained sliding shoe 11, makes it along with tooth bar 9 moves, and then drove the advance and retreat sheet device 4 that is connected in sliding shoe 11 ends, and therefore advancing and retreat, sheet device 4 is loaded or carry discs 16.So, in the present invention, the both ends 102,103 of flexible member 10 do not limit with being arranged on the sliding shoe 11, also can be arranged on the tooth bar 9, and recess 92 then is arranged on sliding shoe 11 accordingly; In addition, protuberance 101 is not defined as semicircle, also can be other shape.

Please consult Fig. 1 once more, it is the not slide glass synoptic diagram of CD-ROM drive 1 of the present invention, and Fig. 2 is the slide glass synoptic diagram of CD-ROM drive 1 of the present invention.As mentioned above, when CD-ROM drive 1 was desired loaded disc sheet 16, drive motor 5 was to drive worm screw 6, gear set 7, and tooth bar 9 is moved toward the direction away from the rear end 12 of CD-ROM drive 1 with sliding shoe 11, and then drive advance and retreat sheet device 4 with discs 16 loading CD-ROM drives 1 inside, as shown in Figure 2; Opposite, when CD-ROM drive 1 desire was carried out discs 16, tooth bar 9 and sliding shoe 11 were to be driven toward the direction near the rear end 12 of CD-ROM drive 1 to move, and returned back to position as shown in Figure 1.

Then see also Fig. 3, it moves back the synoptic diagram of sheet with manual mode for CD-ROM drive 1 of the present invention.Behind CD-ROM drive 1 loaded disc sheet 16, as shown in Figure 2, if because lose factors such as the power supply or the system failure, and make that CD-ROM drive 1 can't be by driving drive motor 5 when ejecting CD sheet 16, meetings such as drive motor 5, worm screw 6, gear set 7 and tooth bar 9 form a locking condition because of the engagement between its tooth portion, at this moment, the user can manual mode drive CD-ROM drive 1 of the present invention with the sheet 16 that ejects CD.

The user be earlier with a thimble 13 by a perforation that defaults on CD-ROM drive 1 front panel, and this perforation is to be located at the position that corresponds to sliding shoe 11, therefore, thimble 13 is to touch sliding shoe 11 by this perforation.Because the protuberance 101 of flexible member 10 is embedded in the recess 92 of tooth bar 9, and tooth bar 9 can't move because of being in locking condition, so when the user promotes sliding shoe 11 by thimble 13, the protuberance 101 of flexible member 10 can be because of the stressed elastic deformation that produces, and then break away from the recess 92 of tooth bar 9, sliding shoe 11 no longer is connected and can be inner mobile in CD-ROM drive 1 with tooth bar 9.Therefore, when the user promoted sliding shoe 11 and moves toward the rear end 12 of CD-ROM drives 1, advance and retreat sheet device 4 was discs 16 to be withdrawed from by drive, as shown in Figure 3.

Then see also Fig. 4, it is the synoptic diagram of second embodiment of CD-ROM drive 1 of the present invention, and in the present embodiment, the start direction when the emergent rejecting device 8 drive advance and retreat sheet devices 4 of CD-ROM drive 1 are advanced and retreat sheet is opposite with first embodiment, other element is all identical, and label is also continued to use.

In the present embodiment, the emergent rejecting device 8 of CD-ROM drive 1 comprises an ejection piece 14 again except sliding shoe 11, flexible member 10 and tooth bar 9.Ejection piece 14 is to be coupling in CD-ROM drive 1 and to have a junction 141 and a top board 142, and wherein connecting portion 141 is to be connected with sliding shoe 11, makes ejection piece 14 to rotate with moving of sliding shoe 11.

The flowing mode of doing as first embodiment, when CD-ROM drive 1 is desired loaded disc sheet 16, drive motor 5 drives worm screw 6 and gear set 7, and then drive emergent rejecting device 8 and move toward direction near the rear end 12 of CD-ROM drive 1, make advance and retreat sheet device 4 loaded disc sheets 16, as shown in Figure 4, and in the process that sliding shoe 11 moves, ejection piece 14 is the direction rotations toward arrow B; Opposite, when advance and retreat sheet device went out discs 16 in 4 years, sliding shoe 11 was to move toward the direction away from the rear end 12 of CD-ROM drive 1, and ejection piece 14 is the direction rotations toward arrow A.

See also Fig. 5, it moves back the synoptic diagram of sheet with manual mode for the CD-ROM drive 1 of present embodiment.Behind CD-ROM drive 1 loaded disc sheet 16, as shown in Figure 4, if because lose factors such as the power supply or the system failure, and make that CD-ROM drive 1 can't be by driving drive motor 5 when moving back sheet, meetings such as drive motor 5, worm screw 6, gear set 7 and tooth bar 9 form a locking condition because of the engagement between its tooth portion, at this moment, the user can manual mode drive CD-ROM drive 1 of the present invention with the sheet 16 that ejects CD.

The user be by a thimble 13 by defaulting in a perforation of CD-ROM drive 1 front panel, and the position of this perforation is corresponding to the position of top board 142 behind advance and retreat sheet device 4 loaded disc sheets 16.When the user promotes top board 142 with thimble 13, because ejection piece 14 is connected with sliding shoe 11 with connecting portion 141, therefore, when the thrust that applies because of the user when top board 142 is desired to rotate toward the direction of arrow A, the rotation meeting of ejection piece 14 produces a pulling force that moves down to sliding shoe 11, when the user applies enough big thrust to top board 142, pulling force can make the protuberance 101 of flexible member 10 produce elastic deformation, and protuberance 101 is the recesses 92 that can break away from tooth bar 9, and sliding shoe 11 no longer is connected with tooth bar 9 via flexible member 10.Therefore, when the user by thimble 13 with ejection piece 14 during toward the direction rotation of arrow A, be can spur sliding shoe 11 to move toward direction away from the rear end 12 of CD-ROM drive 1, so drive connect its end advance and retreat sheet device 4 with the sheet 16 that ejects CD, as shown in Figure 5.

Then see also Fig. 6, it is the synoptic diagram of the 3rd embodiment of CD-ROM drive 1 of the present invention, and present embodiment and first and second embodiment difference are that flexible member 10 is a spring 15, and other element is all identical, and label is also continued to use.

In present embodiment, the emergent rejecting device 8 of CD-ROM drive 1 comprises a spring 15, a tooth bar 9 and a sliding shoe 11, its medi-spring 15 connects sliding shoe 11 and tooth bar 9, and the first end 102 of spring 15 is fixed on the sliding shoe 11, and the second end 103 is fixed on the tooth bar 9, sliding shoe 11 is to be moved with tooth bar 9 by the binding of spring 15, and the end of sliding shoe 11 is to connect advance and retreat sheet device 4 in addition.

See also Fig. 6 and Fig. 7, its CD-ROM drive that is respectively present embodiment went out and the synoptic diagram of loaded disc sheet 16 in 1 year.In the present embodiment, what CD-ROM drive 1 loaded and carried discs 16 makes flowing mode as described in first embodiment, the drive motor 5 of CD-ROM drive 1 is to drive worm screw 6 and gear set 7, and then drive emergent rejecting device 8 toward near or move away from the direction of the rear end 12 of CD-ROM drive 1, advance and retreat sheet device was gone out or loaded disc sheet 16 in 4 years.When advance and retreat sheet device went out discs 16 in 4 years, the position of sliding shoe 11 was the rear ends 12 near CD-ROM drive 1, as shown in Figure 6; Opposite, when advance and retreat sheet device 4 loaded disc sheets 16, the position of sliding shoe 11 is away from CD-ROM drive 1 rear end 12, as shown in Figure 7.

Then see also Fig. 8, it moves back the synoptic diagram of sheet with manual mode for the CD-ROM drive 1 of present embodiment.Behind CD-ROM drive 1 loaded disc sheet 16, as shown in Figure 7, if because power supply or other factors and can't be by driving drive motor 5 when moving back sheet, meetings such as drive motor 5, worm screw 6, gear set 7 and tooth bar 9 form a locking condition because of the engagement between its tooth portion.At this moment, the user can pass a perforation that defaults on CD-ROM drive 1 front panel by a thimble 13, and this perforation is to be located at the position that corresponds to sliding shoe 11, and therefore, the user can promote sliding shoe 11 by thimble 13 application of forces.When the user applies enough external force when overcoming the elastic force of spring 15, just can promote sliding shoe 11 and move, and then drive advance and retreat sheet device 4 sheet 16 that ejects CD toward the rear end 12 of CD-ROM drives 1.

As mentioned above, CD-ROM drive of the present invention has an emergent rejecting device, it is to be connected with an advance and retreat sheet device, load and carry discs to drive advance and retreat sheet device, wherein the emergent rejecting device comprises a tooth bar, a sliding shoe and a flexible member, and flexible member is to connect sliding shoe and tooth bar, and sliding shoe is to connect this advance and retreat sheet device.When CD-ROM drive can't move back sheet by drive motor, the user made every effort to overcome the elastic force that the clothes flexible member connects sliding shoe and tooth bar beyond being, drove sliding shoe and moved in CD driver, and then drive the advance and retreat sheet device sheet that ejects CD.Therefore, the CD-ROM drive of the present invention sheet that can under CD-ROM drive loses the situation of power supply or fault, eject CD, and have simple in structure and maneuverable characteristic.

Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; anyly have the knack of this operator; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is when looking accompanying being as the criterion that claim defines.

Claims

1. a CD-ROM drive is characterized in that, comprises:

One Spindle Motor is in order to carrying and rotate this discs;

One emergent rejecting device, this emergent rejecting device comprises:

One tooth bar;

2. as claim 1 a described CD-ROM drive, it is characterized in that, wherein this flexible member has a protuberance and both ends, these both ends are with being arranged on this sliding shoe, and this tooth bar has a recess, with respect to this protuberance, in order to chimeric this protuberance, when this flexible member stress deformation, this protuberance is to break away from this recess.

3. as claim 1 a described CD-ROM drive, it is characterized in that, wherein this flexible member has a protuberance and both ends, these both ends are with being arranged on this tooth bar, and has a recess on this sliding shoe, with respect to this protuberance, in order to chimeric this protuberance, when this flexible member stress deformation, this protuberance is to break away from this recess.

4. as claim 1 a described CD-ROM drive, it is characterized in that wherein this flexible member is a spring, this spring has both ends and is arranged at respectively on this sliding shoe and this tooth bar.

5. as claim 1 a described CD-ROM drive, it is characterized in that wherein this emergent rejecting device also comprises an ejection piece, this ejection piece has a top board and a junction, wherein this connecting portion is connected on this sliding shoe, and this ejection piece is to rotate with moving of this sliding shoe.