CN2724148Y - Top cover device for optical disc driver - Google Patents
Top cover device for optical disc driver Download PDFInfo
- Publication number
- CN2724148Y CN2724148Y CN 200420104807 CN200420104807U CN2724148Y CN 2724148 Y CN2724148 Y CN 2724148Y CN 200420104807 CN200420104807 CN 200420104807 CN 200420104807 U CN200420104807 U CN 200420104807U CN 2724148 Y CN2724148 Y CN 2724148Y
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- CN
- China
- Prior art keywords
- drive
- bulge
- capping device
- clamping components
- disc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a top cover device for optical disc driver, comprising at least a plane part, and a concave groove structure extending from the plane part into an optical disc driver body. While the bottom of the concave groove structure forms a broken hole, and the edge of the broken hole is provided with at least a convex structure to make a holding component carried by the concave groove structure present a small angle inclination when on static state. Adopting the structure can make the supported holding component keep a small angle inclination state when on static state, so as to realize from the point contact to the face combination in the combination process of the holding component and the rotary table. Consequently the impact force between the holding component and the rotary table is reduced, like this, the produced noise is also reduced, furthermore, the vibration state of the optical disc driver is improved.
Description
Technical field
The relevant a kind of structure that is applied to CD drive of the utility model, the structure that is used for delaying clamping that forms in particularly a kind of CD drive loam cake.
Background technology
An existing CD drive is written into a video disc and action synoptic diagram that video disc is gripped can be with reference to Figure 1A and Figure 1B.At first with reference to Figure 1A, be used for carrying disc in the CD drive 10 and the mechanism of the disc that is clamped is cooperated by rotating disk 101 (traverse), clamping components 103 and pallet 109 threes to finish.Wherein, rotating disk 101 (or being called movement) is to be linked on the Spindle Motor (not shown), the function that has possessed carrying disc and rotation simultaneously, and be provided with for example device such as magnet of magnetisable material in inside, so can be when running and the iron plate on the clamping components 103 attract each other and disc be held on wherein.And clamping components 103 mainly is made up of an iron plate (perhaps other can by the sheet metal of attraction) and a plastic cement disk, and for ring-type protuberance in this plastic cement disk top can be placed in the CD drive loam cake 105 in the formed discoid groove, reason is that its diameter of circular holes of having of this discoid bottom portion of groove is less than the above-mentioned diameter that is positioned at plastic cement disk top ring-type protuberance.Therefore, if cooperation one is encapsulated in the capping 107 of discoid groove top, then no matter this CD drive 10 is to be under the situation that keeps flat, uprightly overturns even, clamping components 103 all can't break away from from CD drive loam cake 105, but can do moving of appropriateness in this accommodation space.
The guide rail (not shown) that 109 on pallet has a disc bearing (not shown) and is positioned at both sides, therefore can move horizontally by the guide groove (not shown) in the CD drive 10, and successfully carry disc 111 lead-in light disk drives, 10 bodies or derive from CD drive 10 bodies.And shown in Figure 1A, the pallet 109 that promptly is carrying disc 111 is about to enter the preceding relative position synoptic diagram of CD drive 10 bodies, the rotating disk 101 of this moment still is positioned at the bottom of CD drive 10 and rises (suppose that CD drive 10 is in the state of a horizontal positioned), and the ring-type protuberance at clamping components 103 interior plastic cement disk tops then abuts against the holes edge of CD drive loam cake 105 and supported fully.
Then with reference to Figure 1B, when pallet 109 has been written into disc 111 CD drive 10 bodies and has just located, can order about rotating disk 101 once the linkage that is linked to pallet 109 makes it to rise, and take advantage of a situation disc 111 jack-up by rotating disk 101, at last, rotating disk 101 tops will be passed the holes at disc 111 centers and combine with the clamping components 103 of disc top, thus, rotating disk 101 just can support disc 111, and cooperate with clamping components 103, by the attraction of magnetic force disc 111 clampings are fixed, so just can be carried out the follow-up step that reads data in the disc 111.And when rotating disk 101 combined with clamping device 103 fully, 103 of clamping devices can be fully have any contact and keep a suitable apron space with the interior discoid groove of CD drive loam cake 105, as shown in Figure 1B.
On the other hand, in the time of disc 111 must being derived in CD drive 10 bodies if move back sheet (unloading) step, then rotating disk 101 stops operating, and drop to the bottom of CD drive 10, thus, disc 111 will be taken advantage of a situation landing to the disc bearing of pallet 109, but clamping components 103 still can be by the support of CD drive loam cake 105 holes and unlikely dropping, and last pallet 109 just can flatly shift out CD drive 10 with disc 111.
In the above-mentioned prior art, when pallet 109 is written into disc 111 and sends into moment of CD drive 10 inside, pallet 109 must be driven and make it to have enough speed, so just be enough to promote to be linked to the linkage of pallet 109, and then driving rotating disk 109 makes it to rise and jack-up disc 111 and clamping components 103.Therefore, rotating disk 101 and clamping components 103 are to be exceedingly fast speed collision and combining under extremely short time, therefore the instant in combination just can produce the great strength of colliding, cause the situation of CD drive 10 interior noises and shake to take place, if and CD drive 10 is to operate (CD drive of vertical type just) in vertical mode, then clamping components 103 situation that shake takes place when combining with rotating disk 101 even cause disc 111 and overall optical disk drive 10 that vibration takes place will be more obvious.
Therefore need a kind of rotating disk and clamping components reduce impulsive force in cohesive process mechanism badly, and need not on the structure of rotating disk and clamping components, do any variation; On the other hand, when CD drive when the sheet step is moved back in execution, borrowed magnetic force and the rotating disk and the clamping components of combining closely also can be helped both easier states that reaches separation according to this mechanism that reduces impulsive force.
The utility model content
Because in the above-mentioned utility model background, about CD drive inner rotary table and clamping components produce the problem that vibration makes a noise in the process that combines, the utility model provide a kind of in the CD drive loam cake the formed clamping device that delays, one of its purpose promptly delays rotating disk and combines the required time fully with clamping components postponing clamping device by this, and the impact strength that produced when combining of reduction rotating disk and clamping components.
On the other hand, in the prior art, when CD drive when the sheet step is moved back in execution, rotating disk and clamping components are owing to borrowing magnetic force to combine closely, therefore must have enough acting forces that rotating disk is descended and separate with clamping components, therefore another purpose of the present utility model promptly provide a separating mechanism allow closely attract and combine rotating disk separate with clamping components is easier.
According to above-mentioned purpose, the utility model provides a kind of CD drive capping device, comprising: at least one planar section; And one groove structure in this planar section extends to a CD drive body, and a holes is formed on this groove structure bottom, and have at least one bulge-structure on this holes edge, so that the clamping components that this groove structure carried presents a low-angle inclination when static.
Capping device of the present utility model has the structure that is used for delaying clamping, make the clamping components that this loam cake supported when static, can keep a low-angle heeling condition, therefore in clamping components and process that rotating disk combines, get final product the combination of elder generation by the face that touches of point, so just can reduce the acting force that impacts between the two, reduce the generation of noise, and the situation that CD drive takes place to shake can be improved also.
Description of drawings
Figure 1A to Figure 1B is the action synoptic diagram that existing CD drive is written into a disc and disc is gripped;
Fig. 2 A to Fig. 2 C is the action synoptic diagram that is written into a disc and disc is gripped according to a CD drive that preferred embodiment provides of the present utility model;
Fig. 2 D to Fig. 2 E is the stereographic map and the top view of the CD drive loam cake that provided according to a preferred embodiment of the present utility model;
Fig. 2 F is the top view according to the CD drive loam cake that another preferred embodiment of the present utility model provided; And
Fig. 2 G is the side view of the CD drive loam cake that provided according to a preferred embodiment more of the present utility model.
Embodiment
Next be detailed description of the present utility model, the description to CD drive in the following explanation does not comprise detailed contexture and operation principles.The prior art that the utility model is continued to use is only done quoting of emphasis formula at this, to help elaboration of the present utility model.And relevant diagram is also drawn according to actual ratio in the following interior literary composition, and its effect is only giving expression to feature of the present utility model.
CD drive capping device according to a preferred embodiment of the present utility model.At first, with reference to Fig. 2 A, in a CD drive 20, be used for carrying disc and the mechanism of the disc that is clamped is cooperated by rotating disk 201, clamping components 203 and pallet 209 threes to finish.Wherein, rotating disk 201 is same as the prior art, is linked on the Spindle Motor, and is provided with for example device such as magnet of magnetisable material in inside.And clamping components 203 is also same as the prior art, formed by an iron plate (perhaps other can by the sheet metal of attraction) and a plastic cement disk, and the ring-type protuberance at this plastic cement disk top is to be placed in the CD drive loam cake 205 in the formed groove structures (no matter be the groove of circular groove, square groove or other shapes, as long as possess the top that a circular holes is arranged and can carry the plastic cement disk in the bottom).CD drive loam cake 205 has at least one planar section (because this CD drive loam cake 205 also can combine with the side cover around the CD drive 20) that is positioned at the CD drive top, groove structure then is that planar section extends in CD drive 20 bodies since then, in the present embodiment, this groove structure is to be discoid groove, and its formed its diameter of circular holes in bottom is less than the diameter of plastic cement disk top ring-type protuberance.Therefore, the utility model still can be encapsulated in the capping 207 of discoid groove top and the activity of clamping components 203 is limited in the scope of this accommodation space and unlikelyly breaks away from CD drive loam cake 205 by one.
With reference to Fig. 2 A, this figure is the relative position synoptic diagram the pallet 209 of carrying disc 211 will soon enter CD drive 20 bodies through guidance panel 213 before, the rotating disk 201 of this moment still is positioned at the bottom of CD drive 20 and rises (suppose that CD drive 20 is in the state of a horizontal positioned), and the ring-type protuberance at clamping components 203 interior plastic cement disk tops then abuts against the holes edge of CD drive loam cake 205 and supported fully.And CD drive capping device 105 differences that provided in the utility model and the prior art, promptly be on the holes edge of the discoid bottom portion of groove that CD drive loam cake 205 is had, to form at least one bulge-structure 205A, make and to be placed in clamping components 203 in the discoid groove at the static state that can present a small angle inclination when supported because of this bulge-structure 205A
Continuation, can be ordered about rotating disk 101 once the linkage that is linked to pallet 109 and make it to rise, and take advantage of a situation disc 111 jack-up by rotating disk 101 when pallet 209 has been written into disc 211 CD drive 10 bodies and has just located with reference to Fig. 2 B.And in this side view, can see that rotating disk 201 jack-up discs 211 rigidly connect the situation when contacting clamping components 203 lower surfaces, has a low-angle angle between the lower surface of the upper surface of disc 211 and clamping components 203 at this moment, this measure is because clamping components 203 has presented a low-angle inclination when static, therefore with process that disc 211 upper surfaces contact in, just can be earlier by the contact of any to the combination of face, last clamping components 203 just can be as shown in Fig. 2 C, successfully lived disc 211 by rotating disk 201 jack-up and complete clamping, and the clamping components 203 of this moment fully with CD drive loam cake 205 without any contacting, and be not subjected to the influence of bulge-structure 205A and the energy normal rotation.In addition, in Fig. 2 B, the rotation center of rotating disk 201 is to represent with axis 215.
And CD drive loam cake 205 its perspective view provided by the utility model can be with reference to Fig. 2 D, in this figure, be that the disk 207 that will be encapsulated in CD drive loam cake 205 discoid groove tops removes, and also the clamping components 203 that this discoid groove carried is removed, therefore can know and see the bulge-structure 205A that in CD drive loam cake 205 discoid grooves, is formed at circular holes edge.And the axis 215 relativeness figure in the horizontal direction of this bulge-structure 205A and rotating disk 201 rotation centers can be with reference to Fig. 2 E.
The utility model is provided at the mode that forms at least one bulge-structure on the circular holes edge of discoid bottom portion of groove of CD drive loam cake, can be that the mode with processing makes it projection in the process that the CD drive loam cake forms, but also can directly in the CD drive loam cake that has been shaped, paste a protrusion on the circular holes edge of discoid bottom portion of groove, can allow clamping components when static, present a low-angle inclination too.
In addition, when CD drive capping device of the present utility model be when being used for the CD drive of level running, only need forming a bulge-structure and get final product, as shown in Fig. 2 E.But the utility model also can cover on CD drive and form a plurality of bulge-structures, for example with reference to Fig. 2 F, it is the top view according to the CD drive loam cake that another preferred embodiment of the present utility model provided, in this embodiment, be two bulge-structure 205A and the 205B that in the CD drive capping device, forms, but these two bulge-structure 205A must be controlled between 0 to 180 degree with the center of circle (rotary middle spindle 215 of figure turntable 201 is by the place of circular holes) the formed angle theta that links to each other of circular holes in the horizontal direction with 205B, just the distance between these two bulge-structure 205A and 205B so could allow clamping components can maintain the state of inclination when static less than the diameter of this circular holes always.If but the number of bulge-structure surpasses more than two, then all bulge-structures must be controlled in the half of circumference that accumulates in circular holes, just can all bulge-structures be distinguished in the scope of a semicircle, so also could allow clamping components when static, can maintain the state of inclination always with the diameter of a circular holes.
In addition, the CD drive capping device that is provided according to a preferred embodiment more of the present utility model also can be used on the CD drive (vertical type CD drive just) of a vertical running, but its restrictive condition then is must form at least one bulge-structure in the Lower Half of CD drive capping device.With reference to Fig. 2 G, this is one to be installed on the side view of the CD drive loam cake 215 of vertical type CD drive, wherein, axis 215 is to be an axis by the rotating disk rotation center, axis 217 then is the horizontal axis that passes through axis 215 on upright CD drive loam cake 215, and it can divide into the first half and Lower Half with CD drive loam cake 215.And in this Fig. 2 G, the utility model is to form two bulge-structure 205A and 205B on CD drive capping device 215, and these two bulge-structure 205A still are controlled between 0 to 180 degree with the center of circle (rotary middle spindle 215 of figure turntable 201 is by the place of circular holes) the formed angle theta that links to each other of circular holes in the horizontal direction with 205B, just the distance between these two bulge-structure 205A and 205B must be less than the diameter of this circular holes, but bulge-structure 205A just must be formed at the Lower Half of CD drive loam cake 215 structures in vertical direction, its reason is in the CD drive loam cake 215 of vertical type, the clamping components (not shown) might not touch the bulge-structure 205 that is positioned at CD drive loam cake 215 first halves when static, guarantee to allow clamping components maintain the state of inclination so just need be positioned at the bulge-structure 205A of CD drive loam cake 215 Lower Halves always.
Above-mentioned specifying of having done in conjunction with the accompanying drawings is embodiment of the present utility model only, is not for limiting enforcement of the present utility model; Every person skilled in the art scholar also can make the change or the replacement of other all equivalences according to feature category of the present utility model, and the change of these equivalences or replacement all should be encompassed in following the application's the claim scope.
Claims (9)
1. CD drive capping device comprises:
At least one planar section; And
One groove structure is in this planar section extends to a CD drive body, and a holes is formed on this groove structure bottom, and have at least one bulge-structure on this holes edge, so that the clamping components that this groove structure carried presents a low-angle inclination when static.
2. CD drive capping device as claimed in claim 1 is characterized in that also comprising the top that a capping is formed at this groove structure.
3. CD drive capping device as claimed in claim 1 is characterized in that when the number of this bulge-structure is two then the distance between these two bulge-structures is less than the diameter of this holes.
4. CD drive capping device as claimed in claim 1, when it is characterized in that number when this bulge-structure is greater than two, then all these bulge-structures are all in the half of circumference of this holes.
5. CD drive capping device as claimed in claim 1 is characterized in that when this CD drive capping device is used for a vertical type CD drive, is the Lower Half that is formed at this holes at this at least one bulge-structure then.
6. CD drive capping device as claimed in claim 3 is characterized in that when this CD drive capping device is used for a vertical type CD drive, then has at least this bulge-structure to be formed at the Lower Half of this holes in these two bulge-structures.
7. CD drive capping device as claimed in claim 4 is characterized in that when this CD drive capping device is used for a vertical type CD drive, then has at least this bulge-structure to be formed at the Lower Half of this holes in all these bulge-structures.
8. CD drive capping device as claimed in claim 1 is characterized in that this at least one bulge-structure is to form with mode projection on this holes edge of processing.
9. CD drive capping device as claimed in claim 1 is characterized in that this at least one bulge-structure is to paste a protrusion to form on this holes edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420104807 CN2724148Y (en) | 2004-09-17 | 2004-09-17 | Top cover device for optical disc driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420104807 CN2724148Y (en) | 2004-09-17 | 2004-09-17 | Top cover device for optical disc driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2724148Y true CN2724148Y (en) | 2005-09-07 |
Family
ID=35037771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420104807 Expired - Lifetime CN2724148Y (en) | 2004-09-17 | 2004-09-17 | Top cover device for optical disc driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2724148Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7748011B2 (en) | 2006-02-17 | 2010-06-29 | Pegatron Corporation | Optical disk drive having noise reduction functionality |
| CN102789793A (en) * | 2011-05-20 | 2012-11-21 | 东芝三星存储技术韩国株式会社 | Cover for disc driver and disc driver having the same |
-
2004
- 2004-09-17 CN CN 200420104807 patent/CN2724148Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7748011B2 (en) | 2006-02-17 | 2010-06-29 | Pegatron Corporation | Optical disk drive having noise reduction functionality |
| CN102789793A (en) * | 2011-05-20 | 2012-11-21 | 东芝三星存储技术韩国株式会社 | Cover for disc driver and disc driver having the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140917 Granted publication date: 20050907 |