CN100414614C - Disc clamping device for CD driver - Google Patents
Disc clamping device for CD driver Download PDFInfo
- Publication number
- CN100414614C CN100414614C CNB2004100283789A CN200410028378A CN100414614C CN 100414614 C CN100414614 C CN 100414614C CN B2004100283789 A CNB2004100283789 A CN B2004100283789A CN 200410028378 A CN200410028378 A CN 200410028378A CN 100414614 C CN100414614 C CN 100414614C
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- disc
- crane
- device attached
- ship building
- tongs device
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Abstract
The present invention relates to a disk clamping device which comprises a clamping device and a rotary disk, wherein the rotary disk is arranged correspondingly to the clamping device in a movable mode, and the rotary disk and the clamping device are used for jointly clamping disks. The clamping device is provided with a first buffering structure arranged at the bottom surface of the clamping device, and the first buffering structure is used to lower the instant impacting force of the clamping device and the rotary disk when the disks are clamped.
Description
Technical field
The present invention relates to a kind of disc gripping mechanism of CD-ROM drive, particularly relate to a kind of disc gripping mechanism with pooling feature.
Background technology
In recent years, because digital multimedia optical disc is universal, CD-ROM drive has become indispensable work and amusing products in modern's life.The tradition CD-ROM drive comprises an optical module, a rotating disc and a Tongs device attached to crane for ship building at least.Rotating disc can closely contact in order to clamping one disc with Tongs device attached to crane for ship building.When rotating disc drove the disc high speed rotating, rotating disc and Tongs device attached to crane for ship building stable holding disc and avoid the disc beat were beneficial to optical module and read and write data on the disc.
Wherein, have a default internal force between Tongs device attached to crane for ship building and the rotating disc, for example be a magnetic force, but make rotating disc and Tongs device attached to crane for ship building fluid-tight engagement so that the clamping disc.Should be enough to stablize high-revolving disc by default interior intensity of force.Yet, when rotating disc and Tongs device attached to crane for ship building are subjected to this by force default endogenetic process, will produce the bump sound and form noise in clamping disc moment.How to reduce the interference of noise, improving the quality of CD-ROM drive, this is one of problem of endeavouring of industrial community.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of disc clamping device, the impact of disc clamping moment is diminished, reach the effect that reduces noise with this with pooling feature.
According to purpose of the present invention, a kind of disc gripping mechanism is proposed, comprise a Tongs device attached to crane for ship building and a rotating disc.Tongs device attached to crane for ship building has one first buffer structure, and first buffer structure is arranged on the bottom surface of Tongs device attached to crane for ship building.Rotating disc disposes so that mobilizable mode is relative with Tongs device attached to crane for ship building, the common clamping disc of rotating disc and Tongs device attached to crane for ship building.
According to a further object of the present invention, a kind of CD-ROM drive is proposed, comprise a casing, an optical module and a disc gripping mechanism.The disc gripping mechanism comprises a Tongs device attached to crane for ship building and a rotating disc.Optical module is arranged on a side of a disc, in order to read the data on the disc.The disc gripping mechanism is arranged on casing inside, in order to clamping one disc.Tongs device attached to crane for ship building has one first buffer structure, and first buffer structure is arranged on the bottom surface of Tongs device attached to crane for ship building.Rotating disc disposes so that mobilizable mode is relative with Tongs device attached to crane for ship building, and rotating disc and Tongs device attached to crane for ship building are in order to common clamping disc.
Description of drawings
For making above-mentioned purpose of the present invention, feature and the advantage can more obvious easy to understand, below especially exemplified by a preferred embodiment, and conjunction with figs. elaborates.In the accompanying drawing:
Fig. 1 represents the part side view according to a kind of CD-ROM drive of a preferred embodiment of the present invention;
Fig. 2 A represents the vertical view according to the Tongs device attached to crane for ship building of disc gripping mechanism;
Fig. 2 B represents the sectional view seen along 2B-2B ' the alignment direction of arrow according to the Tongs device attached to crane for ship building of Fig. 2 A;
The Tongs device attached to crane for ship building of the disc gripping mechanism of Fig. 3 A presentation graphs 1 and the side view of rotating disc when not engaging;
Fig. 3 B represents that the Tongs device attached to crane for ship building of disc gripping mechanism is contacting the side view of moment with rotating disc;
Fig. 3 C represents the Tongs device attached to crane for ship building and the side view of rotating disc when fluid-tight engagement of disc gripping mechanism.
Embodiment
With reference to Fig. 1, its expression is according to the part side view of a kind of CD-ROM drive of a preferred embodiment of the present invention.CD-ROM drive 200 comprises a casing 101, an optical module (not shown) and a disc gripping mechanism 100.Disc gripping mechanism 100 comprises a Tongs device attached to crane for ship building 110 and a rotating disc 130.Optical module and disc gripping mechanism 100 are arranged on casing 101 inside.When disc 120 high speed rotating, disc gripping mechanism 100 stable holding discs 120 are beneficial to optical module and read data on the disc 120.Tongs device attached to crane for ship building 110 is arranged on casing 101 inside.Rotating disc 130 and Tongs device attached to crane for ship building 110 relative configurations.By the drive of gear, rotating disc 130 can rise or descend with respect to Tongs device attached to crane for ship building 110.When CD-ROM drive was not read and write disc data as yet, rotating disc 130 dropped to minimum point, and rotating disc 130 and Tongs device attached to crane for ship building 110 are at a distance of a segment distance.When disc 120 send into CD-ROM drive 200 and be positioned at rotating disc 130 and Tongs device attached to crane for ship building 110 between the time, rotating disc 130 rises to peak and the discs 120 of being separated by closely contacts with Tongs device attached to crane for ship building 110, as shown in Figure 1.At this moment, rotating disc 130 and Tongs device attached to crane for ship building 110 common clamping discs 120.
With reference to Fig. 2 A, the vertical view of the Tongs device attached to crane for ship building 110 of the disc gripping mechanism of its presentation graphs 1.The first buffer structure 112a is arranged on the bottom surface of Tongs device attached to crane for ship building 110.Refer again to Fig. 2 B, the sectional view that its expression is seen along 2B-2B ' the alignment direction of arrow according to the Tongs device attached to crane for ship building of Fig. 2 A.Tongs device attached to crane for ship building 110 also comprises an opening 111a, is arranged on the bottom surface of Tongs device attached to crane for ship building 110.The end of the first buffer structure 112a is connected the inwall of opening 111a, and the other end of the first buffer structure 112a is given prominence to outside opening 111a, and can swing inside and outside opening 111a.In addition, the first buffer structure 112a also has a projection 114a, has an accommodation space 113a in the opening 111a, and projection 114a is arranged on outside the other end and outstanding opening 111a of the first buffer structure 112a.
Simultaneously with reference to Fig. 3 A～3C, the Tongs device attached to crane for ship building 110 of the disc gripping mechanism 100 of Fig. 3 A presentation graphs 1 and the side view of rotating disc 130 when not engaging, Fig. 3 B represents that the Tongs device attached to crane for ship building 110 of disc gripping mechanism 100 is contacting the side view of moment with rotating disc 130, and Fig. 3 C represents the Tongs device attached to crane for ship building 110 and the side view of rotating disc 130 when fluid-tight engagement of disc gripping mechanism 100.In the process of clamping disc 120, at first, in Fig. 3 A, rotating disc 130 carrying discs 120, and with Tongs device attached to crane for ship building 110 distance of being separated by.Then, during when rotating disc 130 risings and near Tongs device attached to crane for ship building 110, shown in Fig. 3 B, rotating disc 130 does not contact with Tongs device attached to crane for ship building 110 as yet, and projection 114a at first contacts the surface of rotating disc 130 and/or disc 120.Then, rotating disc 130 continues near Tongs device attached to crane for ship building 110, and shown in Fig. 3 C, projection 114a is stressed and be pushed in the accommodation space 113a.Thus, Tongs device attached to crane for ship building 110 is able to and rotating disc 130 fluid-tight engagement, so that disc 120 is clamped between Tongs device attached to crane for ship building 110 and the rotating disc 130.According to above-mentioned, the first buffer structure 112a is by prolonging the duration of contact of rotating disc 130 and Tongs device attached to crane for ship building 110, reduces instant impact and then reaches the effect of noise-decreasing.
In addition, shown in Fig. 2 A, in disc gripping mechanism 100, the bottom surface of Tongs device attached to crane for ship building 110 can be symmetrically formed a plurality of buffer structures, for example disc gripping mechanism 100 also comprises one second buffer structure 112b and one the 3rd buffer structure 112c, and is separately equidistant between any two with the first buffer structure 112a.Wherein, the bottom surface of Tongs device attached to crane for ship building 110 has a plurality of corresponding openings, for example is three opening 111a, 111b and 111c.One buffer structure is set, for example the second buffer structure 112b and the 3rd buffer structure 112c among opening 111b and the 111c respectively.Wherein, buffer structure is an elastic body, for example is a shell fragment, a spring or an elastic cantilever structure.
In addition, in disc gripping mechanism 100, the first buffer structure 112a and Tongs device attached to crane for ship building 110 are one-body molded.Shown in Fig. 2 B, for example, Tongs device attached to crane for ship building 110 has a plastic casing, and the first buffer structure 112a is identical material and is the extended structure of this shell.Therefore, on making, need not increase extra cost.
The disc gripping mechanism that the above embodiment of the present invention disclosed, buffer structure wherein can reduce the disc clamping impact of moment, and then reach the effect that reduces noise.In addition, buffer structure and Tongs device attached to crane for ship building are one-body molded, need not increase extra manufacturing cost.
In sum, though the present invention discloses with preferred embodiment, it is not in order to limit the present invention; any those skilled in the art; do not breaking away from the spirit and scope of the invention, can make many changes and retouching, so protection scope of the present invention is being defined with accompanying Claim.
Claims (8)
1. disc gripping mechanism, in order to clamping one disc, this disc gripping mechanism comprises:
One Tongs device attached to crane for ship building has one first buffer structure, and this first buffer structure is arranged on the bottom surface of this Tongs device attached to crane for ship building; And
One rotating disc disposes so that mobilizable mode is relative with Tongs device attached to crane for ship building, and this rotating disc and Tongs device attached to crane for ship building are in order to this disc of common clamping;
Wherein, when rotating disc during near the bottom surface of Tongs device attached to crane for ship building, first buffer structure at first contacts rotating disc or disc, Tongs device attached to crane for ship building closely contacts with rotating disc or disc again, disc is clamped between Tongs device attached to crane for ship building and the rotating disc, and this first buffer structure reduces Tongs device attached to crane for ship building and the moment impact of rotating disc when the clamping disc;
Wherein, described Tongs device attached to crane for ship building also comprises an opening, is arranged on the bottom surface of Tongs device attached to crane for ship building, and an end of first buffer structure is connected the inwall of opening, and the other end of first buffer structure is given prominence to outside opening, and can swing inside and outside opening.
2. disc gripping mechanism as claimed in claim 1, wherein said first buffer structure also has a projection, and opening has an accommodation space, and this projection is arranged on outside the other end and outstanding opening of first buffer structure; Wherein, near Tongs device attached to crane for ship building, projection contacts the surface of rotating disc or disc at rotating disc, and after being pushed in the accommodation space, Tongs device attached to crane for ship building closely contacts with rotating disc, so that disc is clamped between Tongs device attached to crane for ship building and the rotating disc.
3. disc gripping mechanism as claimed in claim 1, wherein said first buffer structure are one of to be selected from an elastic body, a shell fragment and the elastic cantilever structure.
4. disc gripping mechanism as claimed in claim 1 wherein also comprises one second buffer structure and one the 3rd buffer structure, and is separately equidistant between any two with first buffer structure.
5. CD-ROM drive comprises:
One casing;
One optical module is arranged on a side of a disc, in order to read the data on this disc; And
One disc gripping mechanism is arranged on this casing inside, and in order to clamping one disc, this disc gripping mechanism comprises:
One Tongs device attached to crane for ship building has one first buffer structure, and this first buffer structure is arranged on the bottom surface of this Tongs device attached to crane for ship building; And
One rotating disc disposes so that mobilizable mode is relative with this Tongs device attached to crane for ship building, this rotating disc and Tongs device attached to crane for ship building in order to it with the clamping disc;
Wherein, when rotating disc when the Tongs device attached to crane for ship building, first buffer structure at first contacts rotating disc or discs, Tongs device attached to crane for ship building closely contacts with rotating disc or discs again, disc is clamped between Tongs device attached to crane for ship building and the rotating disc, and first buffer structure is in order to reduce Tongs device attached to crane for ship building and the rotating disc moment impact when the clamping disc;
Wherein, when rotating disc drove the disc high speed rotating, disc gripping mechanism stable holding disc was beneficial to optical module and reads data on the disc;
Wherein, described Tongs device attached to crane for ship building also comprises an opening, is arranged on the bottom surface of Tongs device attached to crane for ship building, and an end of first buffer structure is connected the inwall of opening, and the other end of first buffer structure is given prominence to outside opening, and can swing inside and outside this opening.
6. CD-ROM drive as claimed in claim 5, wherein said first buffer structure also has a projection, and opening has an accommodation space, and this projection is arranged on outside the other end and outstanding opening of first buffer structure; Wherein, at rotating disc when the Tongs device attached to crane for ship building, the surface of projection contact rotating disc or disc, and being pushed into after the accommodation space, Tongs device attached to crane for ship building closely contacts with rotating disc, so that disc is clamped between Tongs device attached to crane for ship building and the rotating disc.
7. CD-ROM drive as claimed in claim 5, wherein said first buffer structure be selected from an elastic body, a shell fragment, and an elastic cantilever structure in one of.
8. CD-ROM drive as claimed in claim 5 wherein also comprises one second buffer structure and one the 3rd buffer structure, and is separately equidistant between any two with first buffer structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100283789A CN100414614C (en) | 2004-03-11 | 2004-03-11 | Disc clamping device for CD driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100283789A CN100414614C (en) | 2004-03-11 | 2004-03-11 | Disc clamping device for CD driver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1667706A CN1667706A (en) | 2005-09-14 |
| CN100414614C true CN100414614C (en) | 2008-08-27 |
Family
ID=35038755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100283789A Expired - Fee Related CN100414614C (en) | 2004-03-11 | 2004-03-11 | Disc clamping device for CD driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100414614C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI325583B (en) | 2006-02-17 | 2010-06-01 | Pegarton Corportation | Disk player having noise reduction functionality |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2503567Y (en) * | 2001-10-22 | 2002-07-31 | 建兴电子科技股份有限公司 | Leaf type gripping mechanism |
| CN1447334A (en) * | 2002-03-25 | 2003-10-08 | 三星电子株式会社 | Hard disk driver with disk vibration damping unit |
| CN2596499Y (en) * | 2002-12-09 | 2003-12-31 | 建兴电子科技股份有限公司 | Optic drive clamp device |
-
2004
- 2004-03-11 CN CNB2004100283789A patent/CN100414614C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2503567Y (en) * | 2001-10-22 | 2002-07-31 | 建兴电子科技股份有限公司 | Leaf type gripping mechanism |
| CN1447334A (en) * | 2002-03-25 | 2003-10-08 | 三星电子株式会社 | Hard disk driver with disk vibration damping unit |
| CN2596499Y (en) * | 2002-12-09 | 2003-12-31 | 建兴电子科技股份有限公司 | Optic drive clamp device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1667706A (en) | 2005-09-14 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080827 Termination date: 20100311 |