CN1508782A - Optical pickup base board lifting device for CD drive - Google Patents
Optical pickup base board lifting device for CD drive Download PDFInfo
- Publication number
- CN1508782A CN1508782A CNA021551774A CN02155177A CN1508782A CN 1508782 A CN1508782 A CN 1508782A CN A021551774 A CNA021551774 A CN A021551774A CN 02155177 A CN02155177 A CN 02155177A CN 1508782 A CN1508782 A CN 1508782A
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- mentioned
- light picker
- substrate
- base plate
- drive
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Abstract
The device comprises main base plate and the base plate of optical picker inside the main base plate. The main base plate through an antivibration area supports both sides of the optical picker at rear end. A spindle motor, a rotary table and the optical picker are installed the base plate of optical picker. A fluctuating interlocked region at front end of the base plate of optical picker is extended forwards to form the interlocking lug. A fluctuating guiding unit is installed at front end of the main base plate. Based on driving force of the motor, the fluctuating guiding unit with a lifter cam being installed is acted. The lifter cam is guided by the interlocking lug. The interlocking lug is supported from antivibration area so as to cut off noise and vibration transmitted between the main base plate and the base plate of optical picker. In the invention, the interlocking lug supports the lifter cam directly, thus additional lifting base plate is not needed.
Description
(1) technical field
The present invention relates to a kind of light picker substrate lifting device of CD drive, refer in particular to the corresponding action of loading, unloading CD, the light picker substrate lifting device of the CD drive of the front end of lifting light picker substrate.
(2) background technology
Referring to Fig. 1,2, Fig. 1 has showed that with planimetric map pie graph according to the CD drive of prior art, Fig. 2 are the pie graphs of simply having showed according to the lifting light picker substrate of the CD drive of prior art.
As shown in Figure 1, main substrate 1 forms the bone of CD drive.Form the through-hole section of general one-tenth square shape in the central authorities of above-mentioned main substrate 1, light picker substrate 3 is installed in above-mentioned through-hole section.
The rearward end of above-mentioned light picker substrate 3 is supported by the anti-earthquake region 5 of above-mentioned main substrate 1.Above-mentioned anti-earthquake region 5 is to form with the rubber-like material, in main substrate 1 upper support light picker substrate 3, cuts off the vibrations and the noise of mutual transmission between them.
The Spindle Motor 7 of rotary CD is installed on the above-mentioned light picker substrate 3.The upper end of above-mentioned Spindle Motor 7 is to possess the universal stage 8 of laying CD and being rotated by Spindle Motor 7 is arranged.Light picker 9 along leading axle 10 guiding is installed on above-mentioned light picker substrate 3.Above-mentioned light picker 9 is the signal recording surface irradiates lights to CD, and with the signal of this tracer signal or reading and recording, it is to be transmitted motor (not diagram) control, moves along above-mentioned leading axle 10.
Simultaneously, the front end of above-mentioned light picker substrate 3 is supported by elevation base plate 12, anti-earthquake region 5 ' also is installed, between above-mentioned elevation base plate 12 and the light picker substrate 3 on elevation base plate 12, when supporting above-mentioned light picker substrate, prevent the reception and registration of noise and vibrations.
Above-mentioned elevation base plate 12 is as shown in Figure 2, and the portion two ends possess rotary middle spindle 13 is arranged in its back-end.Above-mentioned rotary middle spindle 13 is to be inserted in above-mentioned main substrate 1, becomes the rotation center of the front end lifting of elevation base plate 12.Form interlock projection 15 on the front end of above-mentioned elevation base plate 12, along lifter cam 28 guiding of lifting guiding 12.Link plate 12 ' is to insert anti-earthquake region 5 ' usefulness.
Front end at above-mentioned main substrate 1 is equipped with the loading motor 17 that loading is provided and unloads the required driving force of CD then.The driving force of above-mentioned loading motor 17 is to be transmitted to drive pulley 18 by travelling belt 19, and the gear part that possesses in above-mentioned drive pulley 18 is to intersect with driven wheel 20.Be formed with rack drives gear part 22 on the above-mentioned driven wheel 20, above-mentioned rack drives gear part 22 is to load behind the CD and the pallet of unloading not have the rack pinion that possesses on the diagram crossing with laying.
Simultaneously, the illustrated gear part that do not have of above-mentioned driven wheel 20 is crossing with the longitudinal rack 27 of lifting guiding 25.Above-mentioned lifting guiding 25 is at the rise front end of above-mentioned light picker substrate 3 of the latter end that loads action, at the descend front end of above-mentioned light picker substrate 3 of the unloading action initial stage of CD, allow above-mentioned universal stage 8 and pallet load and the unloading action in the middle of mutually noninterfere.
One side of above-mentioned then lifting guiding 25 is formed with urgent cam part 28 '.Above-mentioned urgent cam part 28 ' be with urgent lever 29 interlocks when the emergency, with the above-mentioned lifting guiding 25 of manual operation, the front end of decline light picker substrate 3 can eject pallet outside with this.
Action to the CD drive of prior art with formation like this is elaborated below.
At first, illustrate the loading of the CD that is through with on Fig. 1, the CD that is placed in universal stage 8 is rotated by Spindle Motor 7, and the light according to light picker 9 irradiations on above-mentioned CD forms the record of signal and the state of broadcast.
At this moment, support the elevation base plate 12 interlock projections 15 of the front end of above-mentioned light picker substrate 3, guiding is in the upper end of the lifter cam 28 of above-mentioned mobile guide 25, so the front end of light picker substrate 3 is the states that are in rising.
Under above-mentioned state, when input had the signal of unloading CD, above-mentioned loading motor 17 was activated, and allowed above-mentioned lifting guiding 25 move to the arrow A direction of Fig. 1.According to moving of above-mentioned lifting guiding 25, above-mentioned interlock projection 15 moves to the low relatively part of above-mentioned lifter cam 28, and this moment, the front end of above-mentioned light picker substrate 3 can descend.When so moving, move to the outside of CD drive, therefore form the unloading of CD according to above-mentioned driven wheel 20 pallets.This moment above-mentioned longitudinal rack 27 and driven wheel 20 crossing be to be disengaged on the initial point that finishes of the decline at above-mentioned light picker substrate 3.
Then the explanation move to unloading position pallet how to move to " loaded " position again.
Load the initial stage of action, the driving of above-mentioned loading motor 17 is to be communicated to driven wheel 20 and to be communicated on the pallet by rack drives gear part 22, therefore forms moving of pallet.
When moving to of pallet when loading the latter stage of action, the driving projection 27 ' of above-mentioned lifting guiding 25 moves lifting guiding 25 when being directed to guide groove below the pallet, according to so mobile, above-mentioned driven wheel 20 and longitudinal rack 27 intersect, and have passed on the power of loading motor 17.So according to the driving force of above-mentioned loading motor 17, above-mentioned lifting guiding 25 is the opposite directions that move to direction of arrow A.According to moving of the guiding of lifting so 25, above-mentioned interlock projection 15 is the high relatively parts that are directed to above-mentioned lifter cam 28, allows the above-mentioned elevation base plate 12 be the center rotation with the rotary middle spindle, and with this, the leading section of above-mentioned light picker substrate 3 can rise.
According to so rising of light picker substrate 3, the CD that is placed on the pallet is placed on the universal stage 8 that is installed in the Spindle Motor 7 on the above-mentioned light picker substrate 3, above-mentioned universal stage 8 is clip to be installed do not have diagram to allow CD be fixed on the universal stage 8, along with the rotation of universal stage is rotated together.
But the existing technology with said structure formation is to have following problem:
Promptly be, the front end that existing light picker substrate lifting device is a light picker substrate 3 is supported on the main substrate 1 by elevation base plate 12, is carried out lifting with the lifting guiding 25 of interlock projection 15 interlocks that are formed on above-mentioned elevation base plate 12 front ends again.Four corners of above-mentioned then light picker substrate 3 are to be supported on main substrate 1 and the elevation base plate 12 by anti-earthquake region 5,5 ' respectively.
So existing light picker substrate lifting device its number of spare parts that has been relative increase, therefore existing has increased assembling procedure, the assembling tolerance of accumulation part and the problems such as correctness of action of having reduced.
(3) summary of the invention
The present invention is in order to solve above-mentioned existing technical matters, its objective is the light picker substrate lifting device of the CD drive that a kind of relative minimizing number of spare parts is provided.
The object of the present invention is achieved like this:
A kind of light picker substrate lifting device of CD drive comprises:
One main substrate;
Install on the described main substrate can the moving CD play position and the CD ejected position between pallet;
Central authorities at described main substrate constitute with rectangular perforation shape up and down, and at this position installation light picker substrate, the rearward end of this light picker substrate is to be supported on the above-mentioned main substrate by anti-earthquake region, the front end of this light picker substrate has possessed the interlock projection and has been installed on the described main substrate, and can rotate;
The light picker of installation and measuring recording light information on disk on described light picker substrate;
Described light picker substrate can be shuttled back and forth between dvd playback position and CD ejected position having installed on the described main substrate, the lifter cam that possesses the described interlock projection of guiding, this lifter cam is in described light picker substrate moves between the cam areas of dvd playback position, possesses the lifting guiding in the anti-earthquake region of supporting described interlock projection.
Effect of the present invention:
As top detailed description, be that the light picker substrate is directly to support by the interlock projection at the lifter cam of lifting guiding, does not therefore need other elevation base plate according to optical disk drive optical pickup device substrate lifting device of the present invention.
In addition,, prevent to shake the anti-earthquake region with noise, only be mounted on the correspondence position of the back segment both sides of light picker substrate and front end central authorities and get final product the quantity in the therefore relative anti-earthquake region of minimizing in the present invention.
So, can reduce the constituent part quantity of light picker substrate lifting device according to structure of the present invention, thereby reach the effect that reduces the assembly operation operation.
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.
(4) description of drawings
Fig. 1 is the planimetric map of having showed according to the formation of the CD drive of prior art.
Fig. 2 is the breakdown diagrammatic sketch of simply having showed according to the formation of the lifting light picker substrate of the CD drive of prior art.
Wherein (a): lifting guide frame figure;
(b): the elevation base plate structural drawing;
(c): the Spindle Motor of the rotary CD on the light picker substrate and the structural drawing of universal stage.
Fig. 3 is a planimetric map of having showed the CD drive formation of the light picker substrate lifting device that has possessed embodiments of the invention.
Fig. 4 is a breakdown diagrammatic sketch of having showed the pith formation of embodiments of the invention.
Wherein (a): lifting guide frame figure;
(b): the Spindle Motor of the rotary CD on the light picker substrate and the structural drawing of universal stage.
Fig. 5 has showed the lifter cam of the embodiment of the invention and the movement state diagram of the relation between the interlock projection.
The symbol description of major part in the accompanying drawing
30: main substrate 40: the light picker substrate
42: anti-earthquake region 43: Spindle Motor
44: universal stage 46: light picker
47: leading axle 50: lifting interlock district
52: interlock projection 70: loading motor
73: travelling belt 75: driven wheel
80: lifting guiding 83: lifter cam
84: chase 85: anti-earthquake region
(5) embodiment
3-5 with reference to the accompanying drawings describes the embodiment according to the light picker substrate lifting device of CD drive of the present invention in detail below.
As Fig. 3 and shown in Figure 4, the shape of main substrate 30 is to constitute with rectangle, and it forms the bone of CD drive.The central authorities of above-mentioned main substrate 30 constitute with rectangular perforation shape up and down, and at this position light picker substrate 40 are installed.
Be equipped with on the above-mentioned then main substrate 30 and move the pallet (not shown) that ejects between CD position and the dvd playback position.Above-mentioned pallet is the top that is positioned at above-mentioned light picker substrate 40.
The rearward end of above-mentioned light picker substrate 40 is to be supported on the above-mentioned main substrate 30 by anti-earthquake region 42.Above-mentioned anti-earthquake region 42 is to form with the rubber-like material, in main substrate 30 upper support light picker substrates 40, cuts off the vibrations and the noise of mutual transmission between them.The part that is connected with main substrate 30 by anti-earthquake region 42 is the center that becomes the front end lifting of light picker substrate 40.
The part of detection record information on CD is installed on the above-mentioned light picker substrate 40, and above-mentioned part is the Spindle Motor 43 of rotary CD and the light picker 46 of the information of detection.
In the upper end of above-mentioned Spindle Motor is to possess the universal stage 44 of laying CD and being rotated by Spindle Motor 43 is arranged.
Light picker 46 along leading axle 47 guiding is installed on above-mentioned light picker substrate 40.Above-mentioned light picker 46 is the signal recording surface irradiates lights to CD, and with the signal of this tracer signal or reading and recording, it is to be transmitted motor (not diagram) control, moves along above-mentioned leading axle 47.
Simultaneously, the front end of above-mentioned light picker substrate 40 is to possess lifting interlock district 50.Above-mentioned lifting interlock district 50 is molded over by outstanding that above-mentioned light picker substrate 40 is installed or the stroke operation forms as one.Possesses the interlock projection 52 that has with lifter cam 83 interlocks of lifting guiding 80 on the front end in above-mentioned lifting interlock district 50.Above-mentioned interlock projection 52 is the tab-like one-tenth of preceding extreme direction towards above-mentioned light picker substrate 40.
Front end at above-mentioned main substrate 30 is equipped with the loading motor 70 that loading and unloading CD required drive are provided then.The driving force of above-mentioned loading motor 70 is to convey to drive pulley 72 by travelling belt 73.The gear part (not diagram) that possesses in above-mentioned drive pulley 72 is to intersect with driven wheel 75.The rack drives gear part 77 of above-mentioned driven wheel 75 be with lay load behind the CD and the pallet (not have diagram) of unloading on the rack pinion that possesses crossing.
Simultaneously, the illustrated gear part that do not have of above-mentioned driven wheel 75 is the longitudinal racks 82 that intersect lifting guiding 80.Above-mentioned lifting guiding 80 is at the rise front end of above-mentioned light picker substrate 40 of the latter end that loads action, at the unloading action initial stage of CD, the descend front end of above-mentioned light picker substrate 40, allow above-mentioned universal stage 44 and pallet load and the unloading action in the middle of mutually noninterfere.
One side of above-mentioned lifting guiding 80 possesses the projection 86 of driving.Above-mentioned driving projection 86 be with the following guide groove that is formed on pallet and when CD loads the above-mentioned pallet of action latter end and has arrived ad-hoc location interlock, allow the longitudinal rack 82 of above-mentioned lifting guiding 80 and above-mentioned driven wheel 75 intersect, pass on power with this.
Urgent lever 90 is to use when emergency.
Describe effect below in detail according to the light picker substrate lifting device of CD drive of the present invention with formation like this.
The CD that is placed in universal stage 44 is rotated by Spindle Motor 43, on above-mentioned CD, begin to move and to the tracer signal face irradiates light of CD according to light picker 46, and write down under the state that reads, the rising that the front end of above-mentioned light picker substrate 40 is relative, it all becomes horizontality.This moment, above-mentioned interlock projection 52 was, was represented by dotted lines as Fig. 5, was positioned at the upper end 83t of above-mentioned lifter cam 83.Under above-mentioned state, when the user had imported the signal of unloading CD, the rotation of above-mentioned Spindle Motor 43 was stopped, and above-mentioned loading motor is activated and to ejecting the CD position mobile pallet.
According to the driving force of above-mentioned loading motor 70, above-mentioned driven wheel 75 begins rotation, and rack pinion drive division 77 and rack pinion intersect, and allows pallet move to the outside of device.According to the rotation of loading motor 70, above-mentioned lifting guiding 80 is the direction of arrow A directions that move to Fig. 3 simultaneously.According to moving of such lifting guiding 80, the above-mentioned interlock projection 52 that is directed to above-mentioned lifter cam 83 is along above-mentioned rake 83s guiding, to allow the front end of above-mentioned light picker substrate 40 descend.Descend according to such light picker substrate 40, above-mentioned Spindle Motor 43 also descends together, is placed in the CD on the universal stage 44 simultaneously, is positioned on the pallet.
Then, when above-mentioned interlock projection 52 was directed into above-mentioned bottom 83b, the front end of above-mentioned light picker substrate 40 can descend fully.Like this, the pallet of laying CD moves freely under the state of the interference that is not subjected to Spindle Motor 43 or universal stage 44.
Simultaneously, when pallet moves to dvd playback position or loading optical disk, be opposite with top explanation, lifting guiding 80 is towards moving in the other direction, and above-mentioned interlock projection 52 is that the bottom 83b from above-mentioned lifter cam 83 moves to upper end 83t.Lay above-mentioned interlock projection 52 in the anti-earthquake region 85 of above-mentioned upper end 83t.Afterwards, CD is to be placed on the universal stage 44, and rotates according to the revolving force of Spindle Motor 43.
At this moment, shake according to the reasons such as deviation at the weight center of CD, these vibrations are to be communicated to light picker substrate 40.
But the part that above-mentioned light picker substrate 40 is connected with main substrate 30 is all supported by anti-earthquake region 42,85, so above-mentioned vibrations are attenuated by anti-earthquake region 42,85, has prevented the reception and registration of vibrations and noise with this between light picker substrate 40 and main substrate 30.
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 (3)
1, a kind of light picker substrate lifting device of CD drive is characterized in that described light picker substrate lifting device comprises:
One main substrate;
Install on the described main substrate can the moving CD play position and the CD ejected position between pallet;
Central authorities at described main substrate constitute with rectangular perforation shape up and down, and at this position installation light picker substrate, the rearward end of this light picker substrate is to be supported on the above-mentioned main substrate by anti-earthquake region, the front end of this light picker substrate has possessed the interlock projection and has been installed on the described main substrate, and can rotate;
The light picker of installation and measuring recording light information on disk on described light picker substrate;
Described light picker substrate can be shuttled back and forth between dvd playback position and CD ejected position having installed on the described main substrate, the lifter cam that possesses the described interlock projection of guiding, this lifter cam is in described light picker substrate moves between the cam areas of dvd playback position, possesses the lifting guiding in the anti-earthquake region of supporting described interlock projection.
2, the light picker substrate lifting device of CD drive as claimed in claim 1 is characterized in that described interlock projection is in the outstanding lifting interlock district that is formed on the described light picker substrate.
3, the light picker substrate lifting device of CD drive as claimed in claim 1 is characterized in that described interlock projection is to form as one on described light picker substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02155177 CN1254803C (en) | 2002-12-18 | 2002-12-18 | Optical pickup base board lifting device for CD drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02155177 CN1254803C (en) | 2002-12-18 | 2002-12-18 | Optical pickup base board lifting device for CD drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1508782A true CN1508782A (en) | 2004-06-30 |
| CN1254803C CN1254803C (en) | 2006-05-03 |
Family
ID=34235770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02155177 Expired - Fee Related CN1254803C (en) | 2002-12-18 | 2002-12-18 | Optical pickup base board lifting device for CD drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1254803C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1989558B (en) * | 2004-07-15 | 2010-05-12 | 松下电器产业株式会社 | Optical disc device |
| CN101256792B (en) * | 2006-11-15 | 2010-12-29 | 株式会社理光 | Disk substrate conveying mechanism and recording medium disk |
-
2002
- 2002-12-18 CN CN 02155177 patent/CN1254803C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1989558B (en) * | 2004-07-15 | 2010-05-12 | 松下电器产业株式会社 | Optical disc device |
| CN101256792B (en) * | 2006-11-15 | 2010-12-29 | 株式会社理光 | Disk substrate conveying mechanism and recording medium disk |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1254803C (en) | 2006-05-03 |
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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 | ||
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Granted publication date: 20060503 Termination date: 20100118 |