CN1314033C

CN1314033C - Optical read-write device

Info

Publication number: CN1314033C
Application number: CNB2004100019589A
Authority: CN
Inventors: 郭宗荣; 林瑞江
Original assignee: Lite On IT Corp
Current assignee: Lite On IT Corp
Priority date: 2004-01-16
Filing date: 2004-01-16
Publication date: 2007-05-02
Anticipated expiration: 2024-01-16
Also published as: CN1641772A

Abstract

The present invention relates to an optical read-write device which comprises a substrate, a turntable, a clamp and two positioning devices, wherein the substrate comprises a via hole; the turntable is arranged on the lower part of the via hole to rotate a contacting optical disk; the clamp is arranged above the via hole, can be moved to pass through the via hole, and clamps the central part of the optical disk with the turntable; the two positioning devices are respectively arranged on both of the corresponding sides of the substrate; one end of the positioning devices, which is connected to the substrate is a positioning part; the surfaces of the relative inner sides of the two positioning parts are substantially a vertical substrate. When the optical read-write device is in side positioning, and the optical disk needs vertically putting into the optical read-write device, the two positioning parts can be used for correctly positioning before the optical disk is positioned and held to make the clamp and the turntable capable of clamping the central part of the optical disk; the other end of the positioning devices is a bending part; the surface of the inner side of the bending part is the extension from the surface of the inner side of a self-positioning part to the outer direction of the substrate.

Description

The CD read and write-in apparatus

Technical field

The invention relates to a kind of CD read and write-in apparatus, refer to a kind of CD locating device that is used for the CD read and write-in apparatus especially.

Background technology

Recently, because computer peripheral equipment is constantly progressive, and its price also keeps falling, and its price of CD-ROM drive is accepted by common people.Wherein, absorbing optical drive can be applicable to many electronic products, for example mobile computer and automobile-used CD Player etc.Fig. 1 to Fig. 6 is the locating and clamping apparatus of the known CD read and write-in apparatus of explanation (to call absorbing optical drive 8 in the following text) and the action synoptic diagram of positioning clamping CD.As Fig. 1 and shown in Figure 4, known absorbing optical drive 8 has a substrate 1, a rotating disk 2, a clamp support 3 and a clamp 4.As shown in Figure 1 to Figure 3, this substrate 1 first locating device 81 and second locating device 82 of comprising a through hole 11 and being arranged at substrate 1 both sides respectively.

Through hole 11 can make clamp 4 pass through back and forth, and first locating device 81 and second locating device 82 stablize this CD, and the position that this CD is inserted in the CD-ROM drive at every turn are all identical in order to the limit, two opposite sides of the contact CD in the CD-ROM drive of inserting.Wherein this clamp 4 is to be sheathed on this clamp support 3, and this clamp support 3 is rotatable being installed on this substrate 1, thus, this clamp support 3 and this clamp 4 just can pass through this through hole 11, centre with rotating disk 2 double team CDs, this CD of clamping rotates this CD for follow-up rotating disk 2 whereby.

When known absorbing optical drive 8 was sidelong, as Fig. 4 or shown in Figure 5, CD need vertically be put into CD-ROM drive, so that carry out read-write motion.When known absorbing optical drive 8 is sidelong as shown in Figure 4, one CD 9 is vertically put into this known CD-ROM drive by A direction shown in Figure 1, this CD 9 can enter sheet mechanism (not showing at this) via one and deliver to into sheet position, because this known absorbing optical drive 8 is to be sidelong, so this CD 9 is subjected to the influence of gravity, therefore make its excircle can touch this second locating device 82, make this CD that slightly off-centre is arranged.After this CD 9 was sent to into the sheet position, this moment, this clamp support 3 can drive these clamps 4, with this CD 9 toward these rotating disk 2 positioning clamping, also therefore make clamp 4 with rotating disk 2 double teams with eccentric slightly position, cd centre position.For CD can accurately be located before positioning clamping, can only the distance of 82 of first locating device 81 and second locating devices is consistent with the diameter of CD as far as possible.

Then further specify, first locating device 81 of known absorbing optical drive 8 and second locating device 82 are the structures for one-part form, promptly the inner surface faced mutually of first locating device 81 and second locating device 82 connects substrate 1 certainly to the locating device end, all the one-part form structure of vertical substrate 1.Because as described above, can accurately locate before positioning clamping in order to make CD, the distance that first locating device 81 and second locating device are 82 can be consistent with the diameter of CD as far as possible, thereby the spacing between CD and locating device is very little, after positioning clamping, have the problem that CD touches locating device during rotary CD.Otherwise,, the problem that can not accurately locate is arranged then if increase spacing.

Therefore, need a kind of more progressive locating device to improve above-mentioned problem.

Summary of the invention

The purpose of this invention is to provide a kind of CD locating device, need vertically put under the situation of CD read and write-in apparatus,, more avoid CD when rotating, interfere with locating device except making CD can accurately locate at CD.

The invention relates to a kind of CD read and write-in apparatus, in order to read and write data on a CD.This CD read and write-in apparatus comprises a substrate, a rotating disk, a clamp and two locating devices.

This substrate comprises a through hole.This rotating disk is arranged at the below of this through hole, in order to rotate the CD that is contacted.This clamp is arranged at the top of this through hole, is moved through this through hole, and with the centre of this this CD of rotating disk double team.

Two locating devices are arranged at the relative both sides of this substrate respectively, the end that this locating device connects this substrate is to be a location division, this opposed inside surface, two location divisions is vertical in fact this substrate, with so that CD before positioning clamping, can accurately locate, make the centre of this clamp and this this CD of rotating disk double team, the other end of this locating device is to be a kink, the inner surface of this kink is that the inner surface from this location division extends to the direction bending in this substrate outside, wherein this locating device is one-body molded with this substrate, and perhaps this locating device can rivet or be threadedly connected on this substrate.Described locating device and substrate can be made with metal, plastic or other material.

Wherein, when this CD was inserted this CD read and write-in apparatus, before positioning clamping, this CD was between this two location division, and after this CD positioning clamping, and during by this CD read and write-in apparatus driven in rotation, this CD is between this two kink.

Therefore, by locating device of the present invention, particularly utilize inner surface two location divisions of vertical substrate in fact, and make the distance of this two location divisions inner surface approaching consistent with cd diameter, by reducing the spacing of CD and locating device, make CD can accurately be placed on preposition, and then make clamp and rotating disk be able to the centre of double team CD.In addition, the kink that utilizes self-align inner surface to extend to substrate lateral direction bending when CD is pushed between two kinks, can make the spacing increase of kink and CD, and then makes the CD in the rotation can contact positioning device.

In order further to understand feature of the present invention and technology contents, consult following about detailed description of the present invention and accompanying drawing, yet appended graphic only provide with reference to and the explanation usefulness, be not to be used for limiting the invention.

Description of drawings

Fig. 1 is known absorbing optical drive synoptic diagram;

Fig. 2 is known absorbing optical drive synoptic diagram;

Fig. 3 is known absorbing optical drive synoptic diagram;

Fig. 4 is the action synoptic diagram of known absorbing optical drive positioning clamping CD;

Fig. 5 is the action synoptic diagram of known absorbing optical drive positioning clamping CD;

Fig. 6 is the action synoptic diagram of known absorbing optical drive positioning clamping CD;

Fig. 7 is to use the absorbing optical drive synoptic diagram of CD locating device of the present invention;

Fig. 8 is to use the absorbing optical drive synoptic diagram of CD locating device of the present invention, and wherein the part assembly removes;

Fig. 9 is to use the absorbing optical drive synoptic diagram of CD locating device of the present invention, and wherein the part assembly removes;

Figure 10 is to use the absorbing optical drive synoptic diagram of CD locating device of the present invention, and wherein the part assembly removes;

Figure 11 is to use the action synoptic diagram of the absorbing optical drive positioning clamping CD of CD locating device first embodiment of the present invention;

Figure 12 is to use the action synoptic diagram of the absorbing optical drive positioning clamping CD of CD locating device first embodiment of the present invention;

Figure 13 is to use the action synoptic diagram of the absorbing optical drive positioning clamping CD of CD locating device first embodiment of the present invention;

Figure 14 is to use the action synoptic diagram of the absorbing optical drive positioning clamping CD of CD locating device first embodiment of the present invention;

Figure 15 is to use the action synoptic diagram of the absorbing optical drive positioning clamping CD of CD locating device second embodiment of the present invention;

Figure 16 is to use the action synoptic diagram of the absorbing optical drive positioning clamping CD of CD locating device second embodiment of the present invention;

Figure 17 is the synoptic diagram of the 3rd embodiment of CD locating device of the present invention; And

Figure 18 is the synoptic diagram of the 4th embodiment of CD locating device of the present invention.

The explanation of accompanying drawing figure number:

1 substrate, 11 through holes

1A substrate 11A through hole

2 rotating disk 2A rotating disks

3 clamp support 3A clamp supports

4 clamp 4A clamps

The 5A motor

The 6A roller

8 known absorbing optical drive 81 first locating devices

82 second locating devices

8A absorbing optical drive 81A first locating device

The 82A second locating device 81A1 location division

82A1 location division 81A2 kink

82A2 kink 81A3 extension

The 82A3 extension

9 CD 9A CDs

Embodiment

The embodiment of the following description of the present invention is relevant with absorbing optical drive.Yet, the present invention comprises read-only CD-ROM drive (CD-ROM), recordable CD ROM (CD-RW), half-height type CD-ROM drive (Half Height), COMBO CD-ROM drive, DVD-R/RW CD-ROM drive, externally-connected optical drive, all optical media logging machines and player etc. applicable to all CD-ROM drive products.Yet the scope of application is not limited thereto.

Fig. 7 has wherein loaded a CD 9A for the synoptic diagram of the CD read and write-in apparatus (to call absorbing optical drive 8A in the following text) of use CD locating device of the present invention; Fig. 8, Fig. 9 and Figure 10 are for the synoptic diagram of the absorbing optical drive 8A of use CD locating device of the present invention, wherein with the part assembly removal; Figure 11 to Figure 14 is the action synoptic diagram of the absorbing optical drive 8A positioning clamping CD of use CD locating device first embodiment of the present invention; Figure 15 and the 16 figure are the positioning clamping action synoptic diagram of CD locating device second embodiment of the present invention; Figure 17 is the synoptic diagram of CD locating device the 3rd embodiment of the present invention; Figure 18 is the synoptic diagram of CD locating device the 4th embodiment of the present invention.

Consult Fig. 7, Fig. 8 and Figure 11, absorbing optical drive 8A is in order to read and write data on a CD 9A, and absorbing optical drive 8A has a substrate 1A, a rotating disk 2A, a clamp support 3A, a clamp 4A, a motor 5A and a roller 6A.Substrate 1A comprises a through hole 11A.Rotating disk 2A is arranged at the below of through hole 11A, in order to rotate the CD 9A that is contacted.Clamp 4A covered device is on clamp support 3A, and clamp support 3A is the rotatable top that is installed in the through hole 11A of substrate 1A, and so, clamp 4A can be moved through the below of through hole 11A to through hole 11A, and with the centre of rotating disk 2A double team CD 9A.

Consult Fig. 8 to Figure 10, this substrate 1A further comprises one first locating device 81A and one second locating device 82A, wherein this first locating device 81A and the second locating device 82A can be one-body molded with this substrate 1A or mechanically (rivet, be threaded ... etc.) fixed thereon.Its material can be made by metal or plastics, but is not limited to these materials.

Distance between the first locating device 81A and the second locating device 82A is slightly larger than but the excircle of this CD 9A no better than, so that this CD 9A can accurately locate after sending into this absorbing optical drive 8A.Among first embodiment as Figure 11, the first locating device 81A and the second locating device 82A are arranged at the relative both sides of substrate 1A respectively, and the first locating device 81A and the second locating device 82A also comprise a location division 81A1,82A1 and a kink 81A2,82A2 separately.

The end that these locating devices 81A, 82A connect substrate 1A is to be location division 81A1,82A1, this two location division 81A, 82A opposed inside surface are perpendicular substrate 1A, with so that CD 9A before positioning clamping, can accurately locate, make the centre of clamp 4A and rotating disk 2A double team CD 9A.The other end of these locating devices is kink 81A2,82A2, and the inner surface of kink 81A2,82A2 is that the inner surface of self-align 81A1,82A1 extends to the direction bending in the substrate 1A outside, and its section is a two-part structure.But three stage structure that also can be as shown in second, third and the 4th embodiment among Figure 15 to Figure 18, but be not limited to these shapes.Wherein, when CD 9A inserts absorbing optical drive 8A, before positioning clamping, CD 9A is between this two location division 81A1,82A1, after CD 9A positioning clamping, and when being inhaled into formula CD-ROM drive 8A driven in rotation, CD 9A is then rotated by rotating disk 2A between this two kink 81A2,82A2 again.

The inner surface of this location division 81A1 and 82A1 distance is approaching with CD 9A diameter length, makes location division 81A1 and 82A1 inner surface and CD 9A spacing very little, and making CD after sending into CD-ROM drive, clamp not before the chucking optical disk, more can accurately locate CD as yet.The inner surface of this kink 81A2 and 82A2 distance is big than CD 9A diameter length, and so after clamp was with the CD positioning clamping, making between this CD locating device and CD had an appropriate gap, and producing interference with this locating device when avoiding CD to rotate is purpose.

When this absorbing optical drive 8A is sidelong as shown in figure 11, and a CD 9A is vertically put into this absorbing optical drive 8A by A direction shown in Figure 7, the motor 5A of this absorbing optical drive 8A can drive a gear drive group and then drive this roller 6A and this CD 9A is delivered to one predetermined enter the sheet position, as shown in Figure 7, its sectional drawing as shown in figure 11.Consult Figure 11 and Figure 12, because this moment, this absorbing optical drive 8A was sidelong, so the excircle of this CD 9A is subjected to the influence of gravity, can touch the location division 81A1 of this first locating device 81A, and almost touch with the location division 82A1 of this second locating device 82A, it is looked closely distance between this first locating device 81A and the second locating device 82A and how to design and decide.If the distance design between this first locating device 81A and the second locating device 82A suitably, just can make this CD 9A successfully deliver to one and predetermined enter the sheet position, and utilize this location division 81A1 and 82A1 that this CD 9A is located exactly.

Consult Figure 13 and Figure 14, then this clamp support 3A can drive this clamp 4A with past this rotating disk 2A (B direction) positioning clamping of this CD 9A, and this CD 9A just firmly is clamped between this clamp 4A and the rotating disk 2A thus.Because this first locating device 81A and the second locating device 82A have a kink 81A2 and a 82A2 separately, with location division 81A1 and 82A1 not at grade and to the direction bending in the substrate 1A outside, so CD 9A and kink 81A2 and 82A2 inner surface can form a bigger gap.When this clamp 4A with this CD 9A when this rotating disk 2A (B direction) positioning clamping, this CD 9A can be moved toward the B direction, make between the location division 81A1 and 82A1 of this CD 9A by original place, move between kink 81A2 and the 82A2, finish positioning clamping and rotate and write to carry out reading of data, and because CD 9A and kink 81A2 and 82A2 inner surface form a suitable gap, can avoid this CD 9A when rotating with this locating device generation interference.

Figure 15 and Figure 16 are second embodiment of CD locating device of the present invention.As shown in figure 15, the first locating device 81A of second embodiment and the second locating device 82A have a location division 81A1 and 82A1, a kink 81A2 and 82A2 and an extension 81A3 and a 82A3 separately, its can be one-body molded with this substrate 1A or mechanically (rivet, be threaded ... etc.) thereon affixed; Its material can be made by metal or plastics, but be not limited to these materials, and the distance between this first locating device 81A and the second locating device 82A is slightly larger than the excircle of this CD 9A, so that this CD 9A can accurately locate after sending into this absorbing optical drive 8A.This kink 81A2 and 82A2 are being close to this location division 81A1 and 82A1 and the direction outside substrate 1A to bend, with this location division 81A1 and 82A1 not at grade, then be close to this kink 81A2 and 82A2 on the plane identical in fact, extend again with this location division 81A1 and 8,2A1 one suitably distance to form this extension 81A3 and 82A3, making its section is three stage structure, extension 81A3 wherein, the inner surface of 82A3 extends from kink 81A2, the inner surface of 82A2, and with location division 81A1, the inner surface of 82A1 is substantially parallel, kink 81A2, the end of 82A2 and location division 81A1, the end of 82A1 connects, the other end and extension 81A3, the end of 82A3 connects.

When this absorbing optical drive 8A is sidelong, and a CD 9A is vertically put into this absorbing optical drive 8A by A direction shown in Figure 7, the motor 5A of this absorbing optical drive 8A can drive a gear drive group and then drive this roller 6A and this CD 9A is delivered to one predetermined enter the sheet position, as shown in Figure 7.Consult Figure 15, because this moment, this absorbing optical drive 8A was sidelong, so the excircle of this CD 9A can touch the location division 81A1 of this first locating device 81A, and almost touch with the location division 82A1 of this second locating device 82A, it is looked closely distance between this first locating device 81A and the second locating device 82A and how to design and decide.If the distance design between this first locating device 81A and the second locating device 82A suitably, just can make this CD 9A successfully deliver to one and predetermined enter the sheet position, and utilize this location division 81A1 and 82A1 that this CD 9A is located exactly.

Consult Figure 16, then this clamp support 3A can drive this clamp 4A with past this rotating disk 2A (B direction) positioning clamping of this CD 9A, this CD 9A just firmly is clamped between this clamp 4A and the rotating disk 2A thus, because this first locating device 81A and the second locating device 82A have a kink 81A2 and a 82A2 separately, with location division 81A1 and 82A1 not at grade, and with this location division 81A1 and the same plane of 82A1 on extend again one suitably distance to form this extension 81A3 and 82A3, can form a gap, when this clamp 4A with this CD 9A when this rotating disk 2A (B direction) positioning clamping, this CD 9A can be moved toward the B direction, make this CD 9A move to extension 81A3 and 82A3 through kink 81A2 and 82A2 by the location division 81A1 and the 82A1 at original place, finish positioning clamping and rotate and write to carry out reading of data, and because this location division 81A1,82A1 and kink 81A2,82A2 and extension 81A3,82A3 forms a suitable gap, can avoid this CD 9A to produce interference with this locating device when rotating.

Figure 17 is the 3rd embodiment of CD locating device of the present invention.As shown in figure 17, the first locating device 81A of the 3rd embodiment and the second locating device 82A have a location division 81A1 and 82A1, a kink 81A2 and 82A2 and an extension 81A3 and a 82A3 separately, its can be one-body molded with this substrate 1A or mechanically (rivet, be threaded ... etc.) thereon affixed, what be different from the second embodiment locating device is that it is to be a right cylinder; Its material can be made by metal or plastics, but be not limited to these materials, and the distance between this first locating device 81A and the second locating device 82A is slightly larger than the excircle of this CD 9A, so that this CD 9A can accurately locate after sending into this absorbing optical drive 8A.

Figure 18 is the 4th embodiment of CD locating device of the present invention.As shown in figure 18, the first locating device 81A of the 4th embodiment and the second locating device 82A have a location division 81A1 and 82A1, a kink 81A2 and 82A2 and an extension 81A3 and a 82A3 separately, its can be one-body molded with this substrate 1A or mechanically (rivet, be threaded ... etc.) thereon affixed, what be different from the 3rd embodiment locating device is that it is to be a semicylinder; Its material can be made by metal or plastics, but be not limited to these materials, and the distance between this first locating device 81A and the second locating device 82A is slightly larger than the excircle of this CD 9A, so that this CD 9A can accurately locate after sending into this absorbing optical drive 8A.

The one-part form locating device that is different from known CD-ROM drive for before the CD positioning clamping, can accurately be located, and can't allow CD after positioning clamping, and making has an appropriate gap between locating device and CD; Or in order to allow CD after positioning clamping, make an appropriate gap is arranged between locating device and CD, and shortcoming such as can't allow that CD can accurately be located before positioning clamping, the main spirit of CD locating device of the present invention is to utilize a location division that the CD of loading can accurately not located before the clamping as yet at clamp, then utilize a kink and an extension to form two-period form structure or three stage structure again, make CD after the clamp clamping, allow an appropriate gap is arranged between locating device and CD, can avoid CD when rotating, to produce interference, improve the shortcoming of the one-part form locating device of known CD-ROM drive with locating device.

In sum; though the present invention with preferred embodiment openly as above; yet it is not in order to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; certainly can be used for a variety of modifications and variations, thus protection scope of the present invention should with claims of applying for a patent scope was defined is as the criterion.

Claims

1. CD read and write-in apparatus, this CD read and write-in apparatus is in order to read and write data on a CD, and this CD read and write-in apparatus comprises:

One substrate, this substrate comprises a through hole;

One rotating disk, this rotating disk is arranged at the below of this through hole, in order to rotate the CD that is contacted;

One clamp, this clamp is arranged at the top of this through hole, is moved through this through hole, and with the centre of this this CD of rotating disk double team; And

Two locating devices, this locating device is arranged at the relative both sides of this substrate respectively, the end that this locating device connects this substrate is to be a location division, this opposed inside surface, two location divisions is vertical this substrate, with so that insert the CD of this CD read and write-in apparatus and can accurately locate, make the centre of this clamp and this this CD of rotating disk double team, the other end of this locating device is a kink, and the inner surface of this kink is that the inner surface from this location division extends to the direction bending in this substrate outside;

Wherein, when this CD was inserted this CD read and write-in apparatus, this CD was between this two location division, and when this CD during by this CD read and write-in apparatus driven in rotation, this CD is between this two kink.

2. CD read and write-in apparatus as claimed in claim 1, it is characterized in that: this locating device also comprises an extension, the inner surface of this extension extends the inner surface from this kink, and parallel in fact with the inner surface of this location division, an end of this extension differs from an end that is connected this location division with this kink and connects.

3. CD read and write-in apparatus as claimed in claim 2 is characterized in that: this locating device is a right cylinder.

4. CD read and write-in apparatus as claimed in claim 2 is characterized in that: this locating device is a semicylinder.

5. CD read and write-in apparatus as claimed in claim 1 is characterized in that: this CD locating device is one-body molded with this substrate.

6. CD read and write-in apparatus as claimed in claim 1 is characterized in that: this CD locating device is to be fixed on this substrate with riveted way.

7. CD read and write-in apparatus as claimed in claim 1 is characterized in that: this CD locating device is to be fixed on this substrate in the mode that is threaded.

8. CD locating device, this CD locating device is with so that insert the CD of a CD read and write-in apparatus and can accurately locate, this CD read and write-in apparatus comprises: a substrate, a rotating disk and a clamp, this substrate comprises a through hole, and this rotating disk is arranged at the below of this through hole, in order to rotate the CD that is contacted, this clamp is arranged at the top of this through hole, be moved through this through hole, and with the centre of this this CD of rotating disk double team, this CD locating device comprises:

Two location divisions, this two location division is arranged at the relative both sides of this substrate respectively, one end of this location division connects this substrate, this opposed inside surface, two location divisions is vertical this substrate, with so that insert the CD of this CD read and write-in apparatus and can accurately locate, make the centre of this clamp and this this CD of rotating disk double team;

Two kinks, an end of this kink are to be connected with the other end of this location division, and the inner surface of this kink is that the inner surface from this location division extends to the direction bending in this substrate outside;

9. CD locating device as claimed in claim 8, it is characterized in that: this locating device also comprises an extension, the inner surface of this extension extends the inner surface from this kink, and parallel with the inner surface of this location division, an end of this extension differs from an end that is connected this location division with this kink and connects.

10. CD locating device as claimed in claim 9 is characterized in that: this locating device is a right cylinder.

11. CD locating device as claimed in claim 9 is characterized in that: this locating device is a semicylinder.

12. CD locating device as claimed in claim 8 is characterized in that: this CD locating device is one-body molded with this substrate.

13. CD locating device as claimed in claim 8 is characterized in that: this CD locating device is to be fixed on this substrate with riveted way.

14. CD locating device as claimed in claim 8 is characterized in that: this CD locating device is to be fixed on this substrate in the mode that is threaded.