CN1941157A - Shock-proof structure of CD driver - Google Patents
Shock-proof structure of CD driver Download PDFInfo
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- CN1941157A CN1941157A CN 200510030210 CN200510030210A CN1941157A CN 1941157 A CN1941157 A CN 1941157A CN 200510030210 CN200510030210 CN 200510030210 CN 200510030210 A CN200510030210 A CN 200510030210A CN 1941157 A CN1941157 A CN 1941157A
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Abstract
An anti-vibration structure for leaser disk driver includes a collector for information reading and writing; a drawing base for the collector; the first anti-vibration rubber fixed to one end of the drawing base on the top and to the bottom on the end; the second anti-vibration rubber fixed to the other end of the drawing base on the top; a plate fixed in between the second rubber and the disk. The embossing on the second rubber is capable of preventing a second strike with the plate upon impact from outside and shortening the failure time for reading.
Description
Technical field
The present invention is the technology of relevant CD drive shockproof structure, especially about take place upper and lower to impact the time, also can effectively prevent to cause when pick-up from playing or writing down the data on the CD shockproof structure of a kind of CD drive of error phenomenon.
Background technology
Along with the use amount of personal computer strengthens, CD drive (Optical Disk Drive) obtains popularizing extremely widely, and also can continue to increase to its demand from now on.Be this trend of active response, many personal computer manufacturers by unique separately method of testing, carry out test miscellaneous and exploitation to CD drive one after another, and the performance that requires separately also is each has something to recommend him.Although the method for testing of each manufacturer is all different, be a mathematical common ground to the performance requirement of anti-external impact of CD drive or vibration resistance.
Therefore, CD drive all possesses the vibration of cut-out or it is carried out the structure of minimization.
Referring to Fig. 1-Fig. 4, Fig. 1 is the structural plan synoptic diagram of relevant CD drive, and Fig. 2～Fig. 4 is the shockproof structure synoptic diagram of relevant conventional formula CD drive.
As shown in the figure, above-mentioned CD drive 1 is made up of following structure: promptly, move along the radial direction that inserts CD 2, and the tractor 10 that data of optical disk is play and write down; Support the 1st anti-rattler 20 at tractor 10 rears; Support the 2nd anti-rattler 30 in tractor 10 the place aheads; Form the bottom surface of the 2nd anti-rattler 20 and the 1st anti-rattler 30, and the pedestal 40 that guides the 2nd anti-rattler 20 to move; Insert the pallet 50 of CD 2 from the outside; For preventing because of external impact suffers breakage, from the shell 60 of outer most surrounding main frame.
Above-mentioned tractor 10 is made up of following structure: promptly, the traction pedestal 11 of accessories such as circuit board is set; The pick-up 12 that CD 2 data are play and write down; The guidance axis 13 that guiding pick-up 12 moves along CD 2 radial directions; Be the transmission engine 14 that makes pick-up 12 driving force take place along with guidance axis 13 moves; Be fixed on the rotating disc 2 usefulness spindle motor 15 on the traction pedestal 11; Place the rotating disk 16 of CD 2 usefulness in the roller end of spindle motor 15; Be inserted into CD drive 1 when inner at CD 2 from pallet 50, fixedly CD 2 is to guarantee its clamp that does not fall off in rotating disk 16 17.
Above-mentioned the 1st anti-rattler 20 is located at the both sides, rear of traction pedestal 11, it is made up of following structure: promptly, for reducing impact or the extent of vibration be sent on the traction pedestal 11 to greatest extent, and through the 1st Shockproof rubber 21 of the through hole 11a at above-mentioned traction pedestal 11 rears; Fix the gim peg 22 of position between the 1st Shockproof rubber 21 and the traction pedestal 11; For being located at, the 1st Shockproof rubber 21 gives prominence to the erector 23 that forms above the main basal base 41.
Above-mentioned the 2nd anti-rattler 30 is located at the both sides, the place ahead of traction pedestal 11, for reducing impact or the extent of vibration be sent on the traction pedestal 11 to greatest extent, and through the 2nd Shockproof rubber 31 of the through hole 11b in above-mentioned traction pedestal 11 the place aheads.
Said base 40 is by the main basal base 41 that forms the CD drive bottom surface, guiding the 2nd Shockproof rubber 31 upper and lower mobile guides 42, along with guide 42 moves up and down, and the rubber fixator 43 of fixing the 2nd Shockproof rubber 31 usefulness is formed.
At this, an end of the 2nd Shockproof rubber 31 will be inserted in the place ahead through hole 11b of traction pedestal 11, and the other end then is inserted and secured in the through hole 43c of rubber fixator 43.In addition, form the guiding projection 43a of the rubber fixator 43 that one move, be inserted in the guide channel 42a of guide 42, so that the 2nd Shockproof rubber 31 carries out upper and lower moving with the 2nd Shockproof rubber 31.
Have in the CD drive of said structure characteristics, insert CDs for passing through pallet 50, and traction pedestal 11 must be moved down.At above-mentioned pallet 50 after eject the outside of CD drive 1, by being connected the cam (not shown) on the pallet 50, will be along the guide channel 42a on the guide 42, the guiding projection 43a that orders about rubber fixator 43 moves down.In addition, when pallet 50 is inserted into CD drive 1 inside, by being connected the cam on the pallet 50, will be along the guide channel 42a on the guide 42, the guiding projection 43a that orders about rubber fixator 43 moves up.That is, because the 1st anti-rattler 20 is in stationary state, and be the center with the traction pedestal 11 rear through hole 11a of the 1st anti-rattler 20, only move up and down the 2nd anti-rattler 30, therefore can carry out the curvilinear motion among Fig. 3.
But in the process of under inserting the state of CD 2 CD 2 data being play or being write down, if apply impulsive force from the outside, the position of the CD 2 of the laser beam flying of being launched by pick-up 12 camera lens 12a will break away from normal trace in moment so.Especially apply from the outside upper and lower to impulsive force the time, will be as the criterion the vibration simultaneously of tractor 10 and the 2nd Shockproof rubber 31 with the rear through hole 11a of traction pedestal 11.At this moment, upper and lower move of the 2nd anti-rattler 30 causes it to contact pallet 50 up, and below bump with main basal base 41, perhaps cause reverse 2 times and impact.At this moment, pick-up 12 will can not read CD 2 data for a long time, thereby causes interrupting the drawback playing or write down.
In addition, for avoiding the impact between the 2nd Shockproof rubber 31 and the pallet 50, and the through holes (not shown) that negotiate mutually with pallet 50 in the time of can preventing 31 vibrations of the 2nd Shockproof rubber are set on pallet.At this moment, can cause the amplitude of the 2nd Shockproof rubber 31 to increase on the contrary, so that make the problems referred to above become even more serious.
Summary of the invention
Therefore, the present invention is intended to solve the problems referred to above that exist in the routine techniques, provide one from the outside when CD drive applies impulsive force, also can effectively prevent from when pick-up from playing or writing down the data on the CD to cause the shockproof structure of the CD drive of error.
Another object of the present invention is to, cheapness provide one from the outside when CD drive applies impulsive force, also can guarantee the structure that the broadcast of data of optical disk and record are normally carried out.
To achieve these goals, the shockproof structure of the CD drive among the present invention is made up of following structure: promptly, and the pick-up that the information on the CD is play and write down; Be provided with the traction pedestal of above-mentioned pick-up; The upper end is fixed on a side of above-mentioned traction pedestal, and the lower end is fixed on the 1st Shockproof rubber on the bottom surface; The upper end is fixed on the opposite side of above-mentioned traction pedestal, and the 2nd Shockproof rubber of lower end and bottom surface mutual dislocation; Be located between above-mentioned the 2nd Shockproof rubber and the CD, to insert the pallet of CD from the outside.At this, also should on the 2nd Shockproof rubber, embossing be set.
From the outside when CD drive applies impulsive force, effectively prevent to conflict mutually because of being formed at the embossing above above-mentioned the 2nd Shockproof rubber and the bottom surface of above-mentioned pallet, and the absorption impact energy, and make above-mentioned traction pedestal continue to rock, thereby the phenomenon that 2 times of causing the 2nd Shockproof rubber to clash with the bottom surface are once more impacted.In view of the above, effectively shorten the time that above-mentioned pick-up can't carry out playback process to data of optical disk, and take place upper and lower to impact the time, also can effectively prevent to cause when pick-up from playing or writing down the data on the CD phenomenon of error.
At this, above-mentioned embossing should be made up of a plurality of projections, more effectively to absorb impact energy.
In addition, compression band around above-mentioned the 2nd Shockproof rubber outer peripheral face also should be set.In view of the above, make external impact force save as the elastic deformation energy of the 2nd Shockproof rubber, and pass through the elastic deformation energy of preservation, prevent that effectively upper and lower vibratory output from continuing the phenomenon that increases, fundamentally to be contained in the phenomenon that elastic deformation takes place on the 2nd Shockproof rubber.
In addition, two the 2nd Shockproof rubbers should be set at the opposite side of above-mentioned traction pedestal, this is more proving effective aspect containment vibration.
The shockproof structure of the CD drive among the present invention is made up of following structure: promptly, and the pick-up that the information on the CD is play and write down; Be provided with the traction pedestal of above-mentioned pick-up; The upper end is fixed on a side of above-mentioned traction pedestal, and the lower end is fixed on the 1st Shockproof rubber on the bottom surface; The upper end is fixed on the opposite side of above-mentioned traction pedestal, and the 2nd Shockproof rubber of lower end and bottom surface mutual dislocation; Be located between above-mentioned the 2nd Shockproof rubber and the CD, to insert the pallet of CD from the outside; For being inserted in the pickup groove on above-mentioned the 2nd Shockproof rubber, and the outstanding fixedly projection that is located at above-mentioned tray bottom surface.
In view of the above, the fixedly projection that is located at above-mentioned tray bottom surface is inserted in the pickup groove of recessed formation on the 2nd Shockproof rubber, with from the outside along side surface direction, when CD drive applies impulsive force, shaking of physical property ground above-mentioned the 2nd Shockproof rubber of containment, and effectively shorten the time that above-mentioned pick-up can't carry out playback process to data of optical disk, and take place upper and lower to impact the time, also can effectively prevent to cause when pick-up from playing or writing down the data on the CD phenomenon of error.
At this, embossing is set on the 2nd Shockproof rubber can be more effective.In view of the above, apply from the outside upper and lower to impulsive force the time, can absorb impact energy by above-mentioned embossing.
Effect of the present invention:
As mentioned above, the shockproof structure of CD drive of the present invention has following design feature:
The present invention is owing to have the pick-up that the information on the CD is play and write down; Be provided with the traction pedestal of above-mentioned pick-up; The upper end is fixed on a side of above-mentioned traction pedestal, and the lower end is fixed on the 1st Shockproof rubber on the bottom surface; The upper end is fixed on the opposite side of traction pedestal, and the 2nd Shockproof rubber of lower end and bottom surface mutual dislocation; Be located between above-mentioned the 2nd Shockproof rubber and the CD, to insert the pallet of CD from the outside.In view of the above, from the outside when CD drive applies impulsive force, can effectively prevent to conflict mutually because of being formed at the embossing above above-mentioned the 2nd Shockproof rubber and the bottom surface of above-mentioned pallet, and the absorption impact energy, and make above-mentioned traction pedestal continue to rock, thereby the phenomenon that 2 times of causing the 2nd Shockproof rubber to clash with the bottom surface are once more impacted.In view of the above, effectively shorten the time that above-mentioned pick-up can't carry out playback process to data of optical disk, and take place upper and lower to impact the time, also can effectively prevent to cause when pick-up from playing or writing down the data on the CD phenomenon of error.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
Description of drawings
Fig. 1 is the structural plan synoptic diagram of relevant CD drive;
Fig. 2～Fig. 4 is the shockproof structure synoptic diagram of relevant conventional formula CD drive;
Fig. 2 is the formation side skeleton diagram of relevant shockproof structure;
Fig. 3 is the expansion synoptic diagram of the guide among relevant Fig. 2;
Fig. 4 is the vibration shape skeleton diagram of the traction pedestal among relevant Fig. 2;
Fig. 5～Fig. 7 is the shockproof structure synoptic diagram of the CD drive of the 1st embodiment among relevant the present invention,
Fig. 5 is the formation side skeleton diagram of relevant shockproof structure;
Fig. 6 is the expansion synoptic diagram of the A part among relevant Fig. 5;
Fig. 7 (a) and (b) are driving condition skeleton diagrams of relevant Shockproof rubber;
Fig. 8～Fig. 9 is the shockproof structure synoptic diagram of the CD drive of the 2nd embodiment among relevant the present invention;
Fig. 8 is relevant shockproof structure texture edge generalized schematic;
Fig. 9 is the expansion synoptic diagram of the B part among relevant Fig. 9;
Figure 10～Figure 12 is the relevant synoptic diagram that the driving condition of CD drive shockproof structure is compared;
Figure 10 is the driving condition side schematic view of relevant conventional formula CD drive;
Figure 11 is the driving condition side schematic view of the CD drive of the 1st embodiment among relevant the present invention;
Figure 12 is the driving condition side schematic view of the CD drive of the 2nd embodiment among relevant the present invention.
The symbol description of major part in the accompanying drawing:
1: CD drive 10: tractor
11: 20: the 1 anti-rattlers of traction pedestal
30: the 2 anti-rattlers of 21: the 1 Shockproof rubbers
The 131,231: the 2nd Shockproof rubber 131a: embossing
231a: pickup groove 143: rubber fixator
143a: guiding projection 143b: compression band
Embodiment
Embodiment to the shockproof structure of CD drive of the present invention is elaborated below with reference to accompanying drawings.
In the process that the present invention describes, for emphasizing the object of the invention, and omitted detailed description to well-known function or structure.
Fig. 2～Fig. 4 is the shockproof structure synoptic diagram of relevant conventional formula CD drive, and Fig. 2 is the formation side skeleton diagram of relevant shockproof structure, and Fig. 3 is the expansion synoptic diagram of the guide among relevant Fig. 2, and Fig. 4 is the vibration shape skeleton diagram of the traction pedestal among relevant Fig. 2.
Fig. 5～Fig. 7 is the shockproof structure synoptic diagram of CD drive of the present invention, and Fig. 5 is the formation side skeleton diagram of relevant shockproof structure, and Fig. 6 is the expansion synoptic diagram of the A part among relevant Fig. 5, and Fig. 7 (a) and (b) are driving condition skeleton diagrams of relevant Shockproof rubber.
As shown in the figure, the CD drive shockproof structure among the present invention the 1st embodiment in the configuration aspects of the rubber fixator 143 of fixing the 2nd Shockproof rubber 131 and the 2nd Shockproof rubber 131, has very big other with conventional formula shockproof structure.
On above-mentioned the 2nd Shockproof rubber 131, will the embossing 131a of the outstanding a plurality of projection shapes that form be set.
In addition, the guiding projection 143a that moves by the guide channel 42a on guide 42 of above-mentioned rubber fixator 143, around the compression band 143b of the 2nd Shockproof rubber 131 outer peripheral faces, insert and the fixed orifice 143c that fixes the 2nd Shockproof rubber 131 lower ends forms.
Drive principle with the 1st embodiment among the present invention is elaborated below.
From the outside along upper and lower to, when CD drive applies impulsive force, the 1st Shockproof rubber 21 will be along upper and lower to small elastic deformation takes place, but because by gim peg 22, be fixed on the main basal base 41, therefore hardly can the amount of deforming, the 2nd Shockproof rubber 131 is the center with the rear through hole 11a of the traction pedestal 11 that connects the 1st Shockproof rubber 21 then, along upper and lower to rocking.At this moment, the embossing 131a that is located at above the 2nd Shockproof rubber 131 will negotiate mutually with the bottom surface of pallet 50, and embossing 131a then shrinks with small displacement.Because the embossing 131a that made by the rubber material has viscous-elastic behaviour, therefore can play the effect of vibrations annihilator, and according to the contraction of embossing 131a, impact energy also will absorb into the strain energy of distortion of embossing 131a.In view of the above, the impact energy that applies from the outside of CD drive, major part is all absorbed by embossing 131a, so that most of upper and lower that reduces traction pedestal 11 to rock energy, thereby can reduce the initiation possibility of 2 impacts that following and the main basal base 41 of the 2nd Shockproof rubber 131 bumps against to greatest extent.
For making embossing 131a more effectively absorb the impact energy that passes into from the outside, and should form by a plurality of projections little by diameter, that length is enough.
Fig. 7 (a) causes the form synoptic diagram of the 2nd Shockproof rubber 131 distortion because of the impulsive force of last side direction, Fig. 7 (b) because of lower side to impulsive force cause the form synoptic diagram of the 2nd Shockproof rubber 131 distortion.The effect of external impact annihilator is played in the outstanding distortion that is located at the embossing 131a above the 2nd Shockproof rubber 131, but it is thicker relatively, and the elastomeric effect of preserving external impact energy is but played in the sidewall 131b of the 2nd Shockproof rubber 131 that the deformation extent of per unit area is less distortion.Therefore, for fully eliminating external impact energy by the 2nd Shockproof rubber 131, can be by compression band 143b around the 2nd Shockproof rubber 131 outer peripheral faces, effectively containment is along the variation in thickness of the sidewall 131b amplitude direction of the 2nd Shockproof rubber 131.
Fig. 8～Fig. 9 is the shockproof structure synoptic diagram of the CD drive of the 2nd embodiment among relevant the present invention, and Fig. 8 is relevant shockproof structure texture edge generalized schematic, and Fig. 9 is the expansion synoptic diagram of the B part among relevant Fig. 9.
As shown in the figure, the CD drive shockproof structure among the present invention the 2nd embodiment on pallet 250 structures that are installed on above the 2nd Shockproof rubber 231 and the 2nd Shockproof rubber 231, has very big other with conventional formula shockproof structure.
Above-mentioned the 2nd Shockproof rubber 231 is central authorities in the above, are provided with to connect fixed orifice 231a, and are provided with tab-like pallet 250 bottom surfaces that are formed in, to be inserted into the fixedly projection 251 in the fixed orifice 231a.
At this, rubber fixator 143 is provided with the compression band 143b around the 2nd Shockproof rubber 231 usefulness.
To the drive principle of the 2nd embodiment among the present invention be elaborated below.
Passing through pallet 250, when being inserted into CD in the CD drive from the outside, the fixed orifice 231a on the 2nd Shockproof rubber 231 will be interlocked with the fixedly projection 251 on pallet 250 bottom surfaces.In view of the above, except upper and lower to impact energy, when the impact energy of side surface direction is applied on the CD drive, will be by the fixed orifice 231a and the fixing fastening of projection 251, containment traction pedestal 11 rocks.
In addition, connect the 1st embodiment and the 2nd embodiment, and on the 2nd Shockproof rubber 231, a plurality of embossings (not shown) be set, with upper and lower to impact energy when transmit into the outside, distortion by embossing absorbs impact energy, effectively weakens outside impact energy with this.In view of the above, from the outside to CD drive apply upper and lower to or during the impact energy of side surface direction, will be by fixedly projection 251 and embossing, weaken the vibrational energy of traction pedestal 11 to greatest extent, and effectively shorten the time that above-mentioned pick-up can't carry out playback process to data of optical disk with this, and take place upper and lower to impact the time, also can effectively prevent to cause when pick-up from playing or writing down the data on the CD phenomenon of error.
Figure 10～Figure 12 is the driver shockproof structure synoptic diagram of the 1st, 2 embodiment among relevant conventional formula CD drive shockproof structure, the present invention.As shown in the figure, different from the height of outstanding the 2nd Shockproof rubber 231 that forms of the place ahead through hole 11b of above-mentioned traction pedestal 11.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.
Claims (11)
1, a kind of shockproof structure of CD drive is characterized in that being made up of following structure:
Information on the CD is play and write down;
Be provided with the traction pedestal of above-mentioned pick-up;
The upper end is fixed on a side of above-mentioned traction pedestal, and the lower end is fixed on the 1st Shockproof rubber on the bottom surface;
The upper end is fixed on the opposite side of above-mentioned traction pedestal, and the 2nd Shockproof rubber of lower end and bottom surface mutual dislocation;
Be located between above-mentioned the 2nd Shockproof rubber and the CD, to insert the pallet of CD from the outside.
At this, also should on the 2nd Shockproof rubber, embossing be set.
2, the shockproof structure of CD drive as claimed in claim 1 is characterized in that:
Above-mentioned embossing is made up of a plurality of projections.
3, the shockproof structure of CD drive as claimed in claim 1 is characterized in that also comprising:
Compression band around above-mentioned the 2nd Shockproof rubber outer peripheral face.
4, the shockproof structure of CD drive as claimed in claim 1 is characterized in that also comprising in said structure:
Compression band around above-mentioned the 1st Shockproof rubber outer peripheral face.
5, as the shockproof structure of claim 1 or 2 or 3 or 4 described CD drive, it is characterized in that:
Opposite side at described traction pedestal should be provided with two the 2nd Shockproof rubbers.
6, a kind of shockproof structure of CD drive is characterized in that being made up of following structure:
The pick-up that information on the CD is play and write down;
Be provided with the traction pedestal of above-mentioned pick-up;
The upper end is fixed on a side of above-mentioned traction pedestal, and the lower end is fixed on the 1st Shockproof rubber on the bottom surface;
The upper end is fixed on the opposite side of above-mentioned traction pedestal, and the 2nd Shockproof rubber of lower end and bottom surface mutual dislocation;
Be located between above-mentioned the 2nd Shockproof rubber and the CD, to insert the pallet of CD from the outside;
For being inserted in the pickup groove on above-mentioned the 2nd Shockproof rubber, and the outstanding fixedly projection that is located at above-mentioned tray bottom surface.
7, the shockproof structure of CD drive as claimed in claim 6 is characterized in that also comprising:
Compression band around above-mentioned the 2nd Shockproof rubber outer peripheral face.
8, the shockproof structure of CD drive as claimed in claim 6 is characterized in that also comprising:
Compression band around above-mentioned the 1st Shockproof rubber outer peripheral face.
9, as the shockproof structure of claim 6 or 7 or 8 described CD drive, it is characterized in that:
Opposite side at above-mentioned traction pedestal should be provided with two the 2nd Shockproof rubbers.
10, as the shockproof structure of claim 6 or 7 or 8 described CD drive, it is characterized in that:
On above-mentioned the 2nd Shockproof rubber, embossing is set.
11, the shockproof structure of CD drive as claimed in claim 10 is characterized in that:
On above-mentioned the 2nd Shockproof rubber, a plurality of embossings are set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510030210 CN1941157A (en) | 2005-09-29 | 2005-09-29 | Shock-proof structure of CD driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510030210 CN1941157A (en) | 2005-09-29 | 2005-09-29 | Shock-proof structure of CD driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1941157A true CN1941157A (en) | 2007-04-04 |
Family
ID=37959229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510030210 Pending CN1941157A (en) | 2005-09-29 | 2005-09-29 | Shock-proof structure of CD driver |
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| Country | Link |
|---|---|
| CN (1) | CN1941157A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101295523B (en) * | 2007-04-27 | 2010-12-08 | 日立乐金资料储存股份有限公司 | Optical disc apparatus |
| CN101377937B (en) * | 2007-08-27 | 2011-02-02 | 日立乐金资料储存股份有限公司 | Optical disc apparatus |
-
2005
- 2005-09-29 CN CN 200510030210 patent/CN1941157A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101295523B (en) * | 2007-04-27 | 2010-12-08 | 日立乐金资料储存股份有限公司 | Optical disc apparatus |
| CN101377937B (en) * | 2007-08-27 | 2011-02-02 | 日立乐金资料储存股份有限公司 | Optical disc apparatus |
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