CN1913011A - Incidence detection regulating mechanism of optical disk displayer - Google Patents
Incidence detection regulating mechanism of optical disk displayer Download PDFInfo
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- CN1913011A CN1913011A CN 200510091126 CN200510091126A CN1913011A CN 1913011 A CN1913011 A CN 1913011A CN 200510091126 CN200510091126 CN 200510091126 CN 200510091126 A CN200510091126 A CN 200510091126A CN 1913011 A CN1913011 A CN 1913011A
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- lock
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- displayer
- regulating mechanism
- optical disk
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Abstract
This invention relates to a test and regulation unit for tilt angles of CD machines including: a shaft motor driving the rotation of CD and a trimming unit for regulating the level state of said motor related to the optical reading head when the shaft motor of the CD is fixed on a base. The character of the unit is that a locating piece is set on the lock hole of said trimming unit as the location point, therefore, it's not necessary to use extra tools to locate the assembly.
Description
Technical field
The relevant a kind of incidence detection regulating mechanism of optical disk displayer of the present invention, the incidence detection regulating mechanism of optical disk displayer that especially relevant a kind of additionally localization tool can be assembled and finely tune.
Background technology
The whole mechanism design that reads discs information in the CD player mainly is divided into load bearing unit (Loaderunit) and movement unit (Traverse unit).And the movement unit mainly comprise in order to the carrying optical data disk make the Spindle Motor, optical read head of high speed rotating, in order to drive the dynamic mechanism such as step motor that optical read head is sought rail.This Spindle Motor mainly runs up in order to the carrying optical data disk in optical disk drive system, and (Optical Pickup Unit OPU) carries out reading of data to allow optical read head simultaneously.And whether vertical relevant owing to reading the sheet quality with the data surface of discs with the laser beam of optical read head, therefore in CD player, generally be provided with the detection regulating mechanism at inclination angle so that the laser beam of optical read head is vertical with the data surface of discs.
Improve and read the sheet quality for the data surface of the laser beam that makes optical read head and discs is vertical, the detection regulating mechanism at general inclination angle is broadly divided into dual mode.First kind of inspection accent mode comprises the surface level of first fixed main shaft motor, again optical read head is finely tuned, for example the TaiWan, China patent gazette is announced inching and the gear train that No. 579500 (application number 090116790) discloses a kind of optical disc machine pick-up head, it mainly provides the adjustment that a micro-adjusting mechanism moves up and down slide rail, because this slide rail provides optical read head and slides, therefore make the laser beam of optical read head vertical thereon with the data surface of discs by adjusting slide rail and then adjusting optical read head.
Another kind of inspection accent mode is the surface level of first fixed optics read head, again Spindle Motor is finely tuned, because Spindle Motor mainly runs up in order to the carrying optical data disk, so under the situation that the surface level of optical read head is fixed, can be by the inclination angle of adjusting Spindle Motor so that the laser beam of optical read head be vertical with the data surface of discs; This kind mode generally is to add a detection regulating mechanism in the Spindle Motor system of locking, and the laser beam of making every effort to optical read head is vertical with the data surface of discs.
Above-mentioned lock at Spindle Motor that to add a detection regulating mechanism in the system mainly be to lock in the screw in three motors, lock the hole level altitude as benchmark with one of them, lock the inspection accent that the set spring in hole is made X-axis and Y direction respectively by other two, with the requirement on the laser beam vertical precision that reaches discs load bearing unit and optical read head, and improve whereby and read sheet quality and properties of product.
In order to ensure the laser beam of the optical read head precision vertical, generally can use a trimmer to do fine setting to remedy the manually-operated adjustment precision that is beyond one's reach at this detection regulating mechanism with the data surface of discs.But because the scope that can adjust of this trimmer is very little, so generally before finely tuning operation, need screw is locked positional lock be attached to the scope that this trimmer can be adjusted earlier, just can finely tune operation.
Yet, spring is made the mode that locks that inspection transfers because of can't screw be locked positional lock being attached to the scope that this trimmer can be adjusted by artificial whereby, therefore generally must make a localization tool in addition, by this localization tool this be locked and remake last fine setting after screw rotates to the scope that this trimmer can adjust.When this mode is assembled at the volume production production line, must lock by manually locking screw earlier, place again on this localization tool will lock after screw rotates to the scope that trimmer can adjust, just can place on the trimmer to lock the screw height by adjustment and carry out the WidFin of Spindle Motor.This kind method is except needs expend into the extra tool of the design, and is also more consuming time on assembling flow path.
In view of above-mentioned known disadvantage, the inventor etc. carry out broad research to the detection regulating mechanism of CD player, thereby finish the present invention.
Summary of the invention
The relevant a kind of incidence detection regulating mechanism of optical disk displayer of the present invention, it comprises: the Spindle Motor of a discs; And a micro-adjusting mechanism, with so that the whirligig of discs when being fixed on the pedestal so as to adjusting the horizontality of this Spindle Motor with respect to read head; This inclination angle detection regulating mechanism is characterised in that the hole that locks of this micro-adjusting mechanism is provided with positioning piece as anchor point; When assembling, must not use extra localization tool can reach the purpose of location assembling and carry out the surface level fine setting subsequently whereby.
In the incidence detection regulating mechanism of optical disk displayer of the present invention, be provided with keeper and lock as this of anchor point and be provided with an elastic parts on hole again, providing a buffer action between the hole, and borrow this elastic parts that potential difference required when finely tuning subsequently is provided locking screw and locking.
According to incidence detection regulating mechanism of optical disk displayer of the present invention, supply locking of fine setting effect to be provided with positioning piece on the hole owing to be provided with elastic parts at this micro-adjusting mechanism as anchor point, therefore when volume production is assembled, must not utilize extra localization tool, get final product the online aborning screw deadlock that directly will lock to keeper, that is after reaching the scope that trimmer can adjust, utilize the hole deadlock that locks that is not provided with elastic parts to fix as reference point, place the screw height that locks the hole that is provided with elastic parts on the trimmer by adjustment, carry out the surface level fine setting of Spindle Motor, can examine the laser beam vertical precision of light modulation disc bearing unit and optical read head more accurately, and can save localization tool cost and human cost, reach the purpose that sheet quality and performance are read in improvement simultaneously.
In the incidence detection regulating mechanism of optical disk displayer of the present invention, be fixed in this micro-adjusting mechanism and as the height that the hole height is higher than keeper that locks that locks the hole of positioning reference, and be provided with keeper lock the hole height less than this keeper height.
Fine setting among the present invention on trimmer mainly is X-axis and the Y-axis coordinate that shows on the trimmer display, and promptly (X when Y) coordinate is (0,0), promptly reaches fine setting to falling within this coordinate diagram initial point to make the fine setting of fine setting anchor point.Therefore represent with X and Y-axis sometimes with regard to the fine setting direction of Spindle Motor surface level hereinafter.The direction relations figure of this X and Y-axis and movement unit can be referring to accompanying drawing Fig. 2.
In the incidence detection regulating mechanism of optical disk displayer of the present invention, be presented at X-axis on the trimmer display and the elastic parts set on the hole that locks of Y-axis is not limited to them in order to adjustment, as long as can provide flexible material all can.Generally can use compression spring, silica gel sheet, rubber etc. that the material of buffer action can be provided.
According to incidence detection regulating mechanism of optical disk displayer of the present invention, this pedestal can be a damping device.
According to incidence detection regulating mechanism of optical disk displayer of the present invention, positioning piece is set as anchor point by be provided with elastic parts at this micro-adjusting mechanism on the hole for locking of fine setting effect, can and not increase under the material cost in the design that does not change Spindle Motor inclination angle precision detection regulating mechanism, need not utilize localization tool can reach the precisely purpose of location of assembling, and improve CD player reliability of products and stability whereby.
Description of drawings
Fig. 1 has the three-dimensional exploded view of movement unit of the incidence detection regulating mechanism of optical disk displayer of the embodiment of the invention for device;
Fig. 2 display device has the combination top view of movement unit of the incidence detection regulating mechanism of optical disk displayer of the embodiment of the invention;
Fig. 3 and Fig. 4 are the sectional views along Fig. 2 A-A line;
Fig. 5 A and Fig. 5 B show respectively in the incidence detection regulating mechanism of optical disk displayer of the embodiment of the invention that the front elevation of this micro-adjusting mechanism reaches view down.
Embodiment
Know this skill person and be easier to understand the present invention for making, the present invention will be illustrated with the preferred embodiment conjunction with figs..
Fig. 1 is the three-dimensional exploded view of embodiment of the invention incidence detection regulating mechanism of optical disk displayer.Among Fig. 1,1 is optical read head, and 2 seek the slide rail that rail action is moved for the guided optical read head, 3 is Spindle Motor, and 4 is micro-adjusting mechanism, and 5 is pedestal, 6 is step motor, the 7th, and driven by step motor 6 and guide the guide rail that optical read head moves on slide rail.Wherein Spindle Motor 3 is installed on this pedestal 5 by micro-adjusting mechanism 4.One end of this slide rail 2 and guide rail 7 is fixed on this pedestal 5 and therefore fixed optics read head 1 by screw 21 and 22 respectively, and this slide rail 2 is fixed in again on holder set on the micro-adjusting mechanism 4 44 and 45 with the other end of guide rail 7, and this optical read head 1 is reached away from the reciprocal action of seeking rail of the mode of this Spindle Motor 3 with approaching on slide rail 2 and guide rail 7.
As shown in Figure 1, Spindle Motor 3 by lock screw 31,32 and 33 respectively with micro-adjusting mechanism 4 lock hole 41,42 and 43 the locking, and respectively be provided with positioning piece (stopper) 411 and 431 locking hole 41 and 43 1 sides, and lock hole 41 and 43 with lock that each is connected by an elastic parts 412 and 413 between screw 31 and 33.
Fig. 2 shows the combination top view of embodiment of the invention incidence detection regulating mechanism of optical disk displayer.Arrow X shown in Fig. 2 and Y representative when incidence detection regulating mechanism of optical disk displayer places on the trimmer, shown X-axis and Y-axis grid bearing on this trimmer display, and this X-axis and the formed plane of Y-axis are vertical with this optical read head emitted light beams.This trimmer display is to be used to show that the rotary middle spindle of Spindle Motor departs from the distance of this X-axis and Y-axis, with with the rotary middle spindle adjustment of Spindle Motor to true origin, i.e. the rotary middle spindle of this Spindle Motor position parallel with the optical read head emitted light beams.Fig. 3 and Fig. 4 are the sectional views along Fig. 2 A-A line, in the incidence detection regulating mechanism of optical disk displayer that shows the embodiment of the invention, and the synoptic diagram that this micro-adjusting mechanism is finely tuned. Lock screw 31,32 and 33 and the locking hole 41,42 and 43 whens locking of micro-adjusting mechanism 4 when Spindle Motor 3, by locking an altitude datum in hole 42 and stopping of keeper 411 and 431, can directly be locked into the end (deadlock) with locking screw, promptly this Spindle Motor 3 bears against this keeper 411,431 and locks on the hole 42.And for example shown in Figure 3, locking screw 32 this moment is fixed in and locks on the hole 42 and be altitude datum with the height that locks hole 42, relend subsequently by screw 33 is transferred pine, utilize the resilient support Spindle Motor 3 of elastic parts 432, make screw 33 be fixed on height with the same level of this altitude datum, can depart from the distance of this Y-axis whereby by the rotary middle spindle that the degree of revolving on the screw 33 is adjusted Spindle Motor.And for example shown in Figure 4, locking screw 32 this moment is fixed in and locks on the hole 42 and be altitude datum with the height that locks hole 42, relend subsequently by screw 31 is transferred pine, utilize the resilient support Spindle Motor 3 of elastic parts 412, make screw 31 be fixed on height with the same level of this altitude datum, can depart from the distance of this X-axis whereby by the rotary middle spindle that the degree of revolving on the screw 31 is adjusted Spindle Motor.Mode is carried out WidFin whereby, reaches to make the laser beam that optical read head 1 sent can be vertical with the data surface of discs on being loaded into this Spindle Motor, reads quality and obtain good data of optical disk.
Fig. 5 A and Fig. 5 B show respectively in the incidence detection regulating mechanism of optical disk displayer of the present invention again, and the front elevation of this micro-adjusting mechanism reaches view down.Shown in Fig. 5 A and Fig. 5 B, on this micro-adjusting mechanism 4, lock that hole 42 has a height and the altitude datum during as the adjustment Spindle Motor with this height as the screw 32 of fixed reference is pairing; Keeper 411 and 431 height are slightly less than this altitude datum, and this altitude range that differs falls within the scope that trimmer can finely tune, make screw 31 and 33 can directly secure to the height of keeper 411 and 431, and revolve degree on screw 31 and 33 and the elastic parts 412 and 432 of arranging in pairs or groups comes the inclination angle of adjustment Spindle Motor; This locks hole 41 and 43 and also has a height, and less than the height of this keeper 411 and 431.
According to incidence detection regulating mechanism of optical disk displayer of the present invention, owing to be provided with keeper 411 and 431 on the hole locking of this micro-adjusting mechanism 4, therefore when assembling, can make screw lock one-time-reach-place, must not utilize any extra localization tool can reach the location purpose again, can save the cost of making localization tool, and screw locks one-time positioning and more can reduce built-up time, can more economical ground volume production.
In addition, locking the incidence detection regulating mechanism of optical disk displayer that is provided with keeper on the hole by of the present invention, can and not increase under the material cost in the design that does not change Spindle Motor inclination angle precision detection regulating mechanism, do not need extra localization tool can reach the precisely purpose of location of assembling, and improve CD player reliability of products and stability whereby.
The present invention has borrowed the more detailed description the present invention of above-mentioned preferred embodiment, and only the present invention is not limited in this specific embodiment.In the protection domain that instructions and claims of the present invention disclosed, know this skill person and can do various modifications and improvement.These modifications and improvement all belong to scope of the present invention.
Claims (5)
1, a kind of incidence detection regulating mechanism of optical disk displayer is characterized in that, comprising:
One Spindle Motor with so that discs is rotated, which is provided with a plurality of screws that lock of locking usefulness;
One micro-adjusting mechanism which is provided with a plurality of holes that lock, and with so that the Spindle Motor of discs borrows those to lock screw when being fixed on the substrate, temporarily transfers whole this and locks screw and adjust the surface level state of this Spindle Motor; And
A plurality of keepers, those that be located at this micro-adjusting mechanism lock on the hole as anchor point, but one-time positioning when borrowing those keepers to make assembling.
2, incidence detection regulating mechanism of optical disk displayer as claimed in claim 1 is characterized in that, those that wherein are provided with those keepers lock the hole and are provided with an elastic parts again, to provide an anchorage force to this Spindle Motor.
3, incidence detection regulating mechanism of optical disk displayer as claimed in claim 1, it is characterized in that, wherein this micro-adjusting mechanism is when carrying out WidFin, be utilize set on it one this lock the hole as reference point, those that are provided with those keepers by adjustment lock the hole those lock the screw height and finely tune.
4, incidence detection regulating mechanism of optical disk displayer as claimed in claim 3 is characterized in that, wherein locks the height of its height of hole greater than those keepers as this of reference point in this micro-adjusting mechanism, and other those lock the height of its height of hole less than those keepers.
5, incidence detection regulating mechanism of optical disk displayer as claimed in claim 1 is characterized in that, wherein this pedestal is a damping device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100911265A CN100373472C (en) | 2005-08-08 | 2005-08-08 | Incidence detection regulating mechanism of optical disk displayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100911265A CN100373472C (en) | 2005-08-08 | 2005-08-08 | Incidence detection regulating mechanism of optical disk displayer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1913011A true CN1913011A (en) | 2007-02-14 |
| CN100373472C CN100373472C (en) | 2008-03-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100911265A Expired - Fee Related CN100373472C (en) | 2005-08-08 | 2005-08-08 | Incidence detection regulating mechanism of optical disk displayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100373472C (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0183889B1 (en) * | 1996-06-25 | 1999-04-15 | 김광호 | A tilt-adjustable disk player |
| DE19707562A1 (en) * | 1997-02-26 | 1998-08-27 | Thomson Brandt Gmbh | Playback and / or recording device for optical recording media with device for adjusting the inclination of a bearing |
| KR100636127B1 (en) * | 2001-12-01 | 2006-10-19 | 삼성전자주식회사 | Actuator for optical pickup |
| JP3878066B2 (en) * | 2002-06-21 | 2007-02-07 | 三菱電機株式会社 | Tilt adjustment mechanism |
| JP2005063549A (en) * | 2003-08-11 | 2005-03-10 | Sony Corp | Disk drive and its skew adjustment method |
-
2005
- 2005-08-08 CN CNB2005100911265A patent/CN100373472C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN100373472C (en) | 2008-03-05 |
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Granted publication date: 20080305 |