CN2531499Y - Photodrive inclined angle adjusting instrument - Google Patents
Photodrive inclined angle adjusting instrument Download PDFInfo
- Publication number
- CN2531499Y CN2531499Y CN 02203833 CN02203833U CN2531499Y CN 2531499 Y CN2531499 Y CN 2531499Y CN 02203833 CN02203833 CN 02203833 CN 02203833 U CN02203833 U CN 02203833U CN 2531499 Y CN2531499 Y CN 2531499Y
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- CN
- China
- Prior art keywords
- fixed pedestal
- guide rod
- optical head
- rom drive
- regulating device
- 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 - Fee Related
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Abstract
The utility model discloses a CD driver inclination adjustment device, comprising a group of optical joint transmission guide bar, a fixing base, a set-up spring and a guide bar adjustment screw. Two ends of the optical joint transmission guide bar are installed on the fixing base, the guide bar adjustment screw passes through the fixing base and the set-up spring. The function of adjusting the inclination that the optical joint transmission guide bar relative to a turn table can be realized by adopting the structure, the precision of the light machine module can be adjusted to the preferable position coordinating with the performance index of the jitter or the inclined angle that the optical joint relative to the turn table, etc.
Description
Technical field
The utility model relates to a kind of CD-ROM drive dip angle regulating device (Tilt Adjusting Mechanismof Optical Disk Drive), especially refer to a kind of by the inclination angle of adjusting the optical head transmission guide rod, make the optical head inclination angle reach the optimum position, to guarantee the bare engine module dip angle regulating device of the optimum angle of incidence between optical head and disc rotating disk (turn table).
Technical field
Along with the progress of optical information access medium technique, the reading speed that is applied to the CD-ROM drive (optical disk drive) of computer peripheral equipment (computerperipheral) also presents development fast.
Along with the variation of application scenario and function, multifunction laser video disc player (DVD-ROM/DVD-player) is used shared ratio at the actual light storage device, and the trend that increases is year by year arranged.Generally speaking, the application demand of multifunction laser video disc player is to possess at a high speed and stable reading speed, and good movie ability.The influence that then is subjected to the spare part characteristic of being correlated with therewith in the design of CD-ROM drive is as principal axis motor rotation speed, coding chip group frequency range, optical head characteristic and optical head pedestal transmission speed etc.Therefore, the reading speed and the movie ability of multifunction laser video disc player be effectively improved, the performance of relevant spare part must be promoted earlier.
In the application of multifunction laser video disc player,, therefore in the design of optical head, must make it can read the signal of CD and two kinds of discs of DVD because of it must take into account the ability to play of CD disc and DVD disc.For this reason, optical head must have two cover light path design or shared portion part in the optical design of CD and DVD.By and large, signal quality the best of the independent light path design of two covers, but its cost is also high, and its cost of the mode of shared portion part is lower, but can't take into account the best optical signalling of CD and two kinds of discs of DVD.
Recently because each optical head manufacturing plant reduces manufacturing cost, so the dvd pickup head adopts the design of CD and DVD shared portion part more.And in order to ensure the signal that reads of the best, in design the designs of CD-ROM drive with dip angle regulating device more, its objective is when optical head is assembled to bare engine module, can be according to the specific performance properties index, be generally amount of jitter (jitter) or optical head with respect to the angle of inclination between disc rotating disk (turn table), the inclination angle of optical head is adjusted to the optimum position.
In the design of CD-ROM drive, in order to reach the requirement that height reads precision, in the design of bare engine module, have dip angle regulating device, the general following dual modes that adopt of its design more more:
(1) adjusts the Spindle Motor inclination angle: as shown in Figure 1, it mainly is Spindle Motor 10a to be arranged at one adjust on the plate 11a, and pass this adjustment plate 11a and be locked on bare engine module base plate (base) 13a, and between this adjustment plate 11a and bare engine module base plate 13a, be provided with spring 14a to adjust screw 12a; Design is whereby adjusted screw 12a and can be adjusted Spindle Motor 10a inclination angle.
(2) by the inclination angle of adjusting the optical head transmission guide rod, make the optical head inclination angle reach the optimum position: as shown in Figures 2 and 3, it is mainly at optical head transmission guide rod 20a two ends assembling shell fragment 21a, this shell fragment 21a passes with fixed screw 22a to be fixed on the guide rod positioning seat 23a, locks with adjusting screw 25a at bare engine module base plate 24a in addition; Design whereby, the inclination angle of the adjustable whole optical head transmission guide rod 20a of adjustment screw 25a makes the optical head inclination angle reach the optimum position.
Yet this kind adjusted the design of purpose for reaching the inclination angle, and cost is increased.
As from the foregoing, above-mentioned known inclination angle by adjustment optical head transmission guide rod makes the optical head inclination angle reach the CD-ROM drive dip angle regulating device of optimum position, on reality is used, obviously has inconvenience and exists with defective, and wait to be improved.
Summary of the invention
The purpose of this utility model is to provide a kind of CD-ROM drive dip angle regulating device, with low cost and when stablizing feasible mode and finishing optical head and be assembled on the bare engine module, and the adjustment of relative tilt angle between itself and disc rotating disk (turntable).
Above-mentioned purpose of the present invention is achieved in that a kind of CD-ROM drive dip angle regulating device, be arranged on the bare engine module base plate of CD-ROM drive, comprising being arranged, optical head transmission guide rod, fixed pedestal, pre-compressed spring and guide rod adjust screw, described optical head transmission guide rod two ends are assembled in described fixed pedestal, described guide rod is adjusted screw and is passed described fixed pedestal and described pre-compressed spring, is locked on the described bare engine module base plate.
CD-ROM drive dip angle regulating device of the present invention, wherein said bare engine module base plate is provided with spacer, and described fixed pedestal is positioned described spacer by putting.
CD-ROM drive dip angle regulating device of the present invention, wherein said fixed pedestal is made of plastics.
CD-ROM drive dip angle regulating device of the present invention respectively is provided with an assembly hole on the wherein said fixed pedestal, described optical head transmission guide rod two ends plant build-in is in described assembly hole.
CD-ROM drive dip angle regulating device of the present invention, wherein said fixed pedestal inside is formed with an accommodation space, and described fixed pedestal top respectively is provided with screw perforation, described screw perforation communicates with described accommodation space, described pre-compressed spring is arranged at described accommodation space inside, and described guide rod is adjusted described screw perforation and the described pre-compressed spring that screw passes described fixed pedestal.
According to CD-ROM drive dip angle regulating device of the present invention, be arranged on the bare engine module base plate of CD-ROM drive, include optical head transmission guide rod, fixed pedestal, pre-compressed spring and guide rod and adjust screw, optical head transmission guide rod two ends are assembled in fixed pedestal, guide rod is adjusted screw and is passed fixed pedestal and pre-compressed spring, and be locked on the bare engine module base plate, form a CD-ROM drive dip angle regulating device whereby.
For enabling further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet accompanying drawing only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.
Description of drawings
Fig. 1 is the stereographic map of known dip angle regulating device;
Fig. 2 is the stereographic map of another kind of known dip angle regulating device;
Fig. 3 is the stereographic map of another angle of another kind of known dip angle regulating device;
Fig. 4 is a stereographic map of the present utility model;
Fig. 5 is a three-dimensional exploded view of the present utility model;
Fig. 6 is a cut-open view of the present utility model.
Embodiment
See also Fig. 4, Fig. 5 and Fig. 6, the utility model provides a kind of CD-ROM drive dip angle regulating device, especially refer to a kind of by the inclination angle of adjusting the optical head transmission guide rod, utilize the design of pre-compressed spring, reach and adjust the function of optical head transmission guide rod with respect to disc rotating disk (turn table) inclination angle, it is arranged on the bare engine module base plate 14 of CD-ROM drive, comprises two optical head transmission guide rods 10, a plurality of fixed pedestal 11, a plurality of pre-compressed spring 12 and a plurality of guide rod adjustment screw 13.
This two optical heads transmission guide rod 10 is arranged on the bare engine module base plate 14 of CD-ROM drive, be provided with a disc rotary unit 15 and an optical head 16 on this bare engine module base plate 14 in addition, this disc rotary unit 15 includes a Spindle Motor 17 and a disc rotating disk 18, this optical head 16 is snug fit on the two optical head transmission guide rods 10, and can be driven by suitable gear train (figure slightly), can borrow these Spindle Motor 17 driving disk rotating disks 18 to rotate, and can drive optical head 16 and on optical head transmission guide rod 10, move, so that utilize this optical head 16 to read the data of the disc of being placed on the disc rotating disk 18.
These bare engine module base plate 14 tops (or below) can additionally add a spring matter piece 19 or claim absorber (absorber), make the vibration that is caused because of Spindle Motor 17 rotations on the bare engine module base plate 14, and spring matter piece 19 absorbs thus.
Described fixed pedestal 11 is to utilize insulating material such as plastics to make, it is to be arranged on the bare engine module base plate 14, and on this bare engine module base plate 14, be provided with the spacer 23 that is " recessed " font, can be for fixed pedestal 11 by putting the location, described fixed pedestal 11 is in twos and is oppositely arranged, respectively be provided with an assembly hole 20 on the described fixed pedestal 11, can supply optical head transmission guide rod 10 two ends plant build-ins, make these optical head transmission guide rod 10 two ends can be assembled in fixed pedestal 11, described fixed pedestal 11 is hollow shape, make inside be formed with an accommodation space 21, and described fixed pedestal 11 tops respectively are provided with screw perforation 22, this screw perforation 22 communicates with accommodation space 21.
Described pre-compressed spring 12 is a compression spring, and it is accommodation space 21 inside that are arranged at fixed pedestal 11, makes described pre-compressed spring 12 between fixed pedestal 11 and bare engine module base plate 14.
Described guide rod is adjusted screw perforation 22 and the pre-compressed spring 12 that screw 13 passes fixed pedestal 11, and then being spirally connected is attached on the bare engine module base plate 14; By above-mentioned composition to form CD-ROM drive dip angle regulating device of the present utility model.
Design whereby, guide rod is adjusted the inclination angle of screw 13 adjustable whole optical heads 16, amount of jitter in the cooperation (jitter) or optical head 16 can be adjusted to the optimum position with the precision of bare engine module with respect to the performance index such as angle of inclination of 18 of disc rotating disks (turn table).
In addition, on the special applications that needs optical head 16 and 14 insulation of bare engine module base plate, the utility model also can provide the effect of insulation.
The utility model proposes a kind of new bare engine module dip angle regulating device, by the inclination angle of adjusting the optical head transmission guide rod, make the optical head inclination angle reach the optimum position, the dip angle regulating device at the inclination angle of itself and known adjustment optical head transmission guide rod is compared, structure is comparatively simplified, and number of parts reduces, and its purpose is with low cost and when stablizing feasible mode and finishing optical head and be assembled on the bare engine module, the adjustment of relative tilt angle between itself and disc rotating disk.
The above only is a preferable possible embodiments of the present utility model, non-so promptly arrest limit claim of the present utility model, so the equivalent structure that uses the utility model instructions and accompanying drawing content to do such as changes, all in like manner purport is contained in the scope of the present utility model, closes and gives Chen Ming.
Claims (5)
1, a kind of CD-ROM drive dip angle regulating device, be arranged on the bare engine module base plate of CD-ROM drive, it is characterized in that, include optical head transmission guide rod, fixed pedestal, pre-compressed spring and guide rod and adjust screw, described optical head transmission guide rod two ends are assembled in described fixed pedestal, described guide rod is adjusted screw and is passed described fixed pedestal and described pre-compressed spring, is locked on the described bare engine module base plate.
2, CD-ROM drive dip angle regulating device as claimed in claim 1 is characterized in that, described bare engine module base plate is provided with spacer, and described fixed pedestal is positioned described spacer by putting.
3, CD-ROM drive dip angle regulating device as claimed in claim 1 is characterized in that, described fixed pedestal is made of plastics.
4, CD-ROM drive dip angle regulating device as claimed in claim 1 is characterized in that, respectively is provided with an assembly hole on the described fixed pedestal, and described optical head transmission guide rod two ends plant build-in is in described assembly hole.
5, CD-ROM drive dip angle regulating device as claimed in claim 1, it is characterized in that, described fixed pedestal inside is formed with an accommodation space, and described fixed pedestal top respectively is provided with screw perforation, described screw perforation communicates with described accommodation space, described pre-compressed spring is arranged at described accommodation space inside, and described guide rod is adjusted described screw perforation and the described pre-compressed spring that screw passes described fixed pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02203833 CN2531499Y (en) | 2002-02-06 | 2002-02-06 | Photodrive inclined angle adjusting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02203833 CN2531499Y (en) | 2002-02-06 | 2002-02-06 | Photodrive inclined angle adjusting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2531499Y true CN2531499Y (en) | 2003-01-15 |
Family
ID=33685901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02203833 Expired - Fee Related CN2531499Y (en) | 2002-02-06 | 2002-02-06 | Photodrive inclined angle adjusting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2531499Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1322499C (en) * | 2004-09-29 | 2007-06-20 | 常州市新科精密机械有限公司 | Optical pick-up device driver for optical disk reader |
| CN100407300C (en) * | 2005-09-26 | 2008-07-30 | 广明光电股份有限公司 | Adjuster of optical driver |
-
2002
- 2002-02-06 CN CN 02203833 patent/CN2531499Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1322499C (en) * | 2004-09-29 | 2007-06-20 | 常州市新科精密机械有限公司 | Optical pick-up device driver for optical disk reader |
| CN100407300C (en) * | 2005-09-26 | 2008-07-30 | 广明光电股份有限公司 | Adjuster of optical driver |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030115 |