CN1246846C - Optical axis adjusting device of reconstructor for optical recording - Google Patents
Optical axis adjusting device of reconstructor for optical recording Download PDFInfo
- Publication number
- CN1246846C CN1246846C CN 02137178 CN02137178A CN1246846C CN 1246846 C CN1246846 C CN 1246846C CN 02137178 CN02137178 CN 02137178 CN 02137178 A CN02137178 A CN 02137178A CN 1246846 C CN1246846 C CN 1246846C
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- China
- Prior art keywords
- adapter
- base plate
- guide
- axis
- cam part
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- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
The present invention relates to an optical axis regulating device of an optical recording and reproducing device, which makes an adapter base plate combined on the adapter base plate. The adapter base plate is provided with an optical disk driving motor. The present invention comprises the adapter base plate provided with the optical disk driving motor, wherein the upper surface of the adapter base plate is provided with an adapter and an adapter tilting device; the adapter is used for recording information or reproducing recorded information on an optical disk which is driven to rotate by the optical disk driving motor; the adapter tilting device is arranged on one side of the adapter, and is arranged a bottom plate of the adapter so as to make the adapter do angular rotation. The present invention can reduce assembling expenses and manufacturing expenses with the reduction of parts, and can also realize machine miniaturization with the volume and weight reduction of devices. Besides, because the design freedom of related loading systems and circuit parts are added to the present invention, the present invention brings manufacture convenience.
Description
(1) technical field
The present invention relates to the optical axis adjustable device of a kind of optical recording and reconstructor, refer in particular to the adapter of recorded information on the CD or information reproduction,, make it corresponding automatically optical axis adjustable device along with the inclination of CD.
(2) background technology
Optical pickup unit is, when the axle right angle error of the pitch angle error of optical axis or cd-rom drive motor exists, distorted signals is big, is difficult to do correct signal Processing, generally speaking, utilize other adjusting gear, the adjustment of machinery is carried out at the pitch angle of optical axis and optical disc surface, or the adjustment means are installed in optical recording and reconstructor, adjust optical pickup unit automatically according to the irrelevance of CD, if the former is a hand, the latter is a self-action so.
Referring to Fig. 1, Fig. 2, Fig. 1 and Fig. 2 are for the optical recording shown in the existing self-action optical axis adjustable device and the planimetric map and the outboard profile of reconstructor inside are described.
Shown here, existing optical recording and reconstructor are, by the main shaft chassis 10 of the disc drives that possesses rotating disk 11 electronic 12; Read CD D information or write down the adapter 21 of new information, be connected the adapter base plate 20 of main shaft chassis 10 upsides; Possess in main shaft chassis 10 and adapter base plate 20 front sides, the horizontality of adapter base plate 20 is constituted with the adapter rake of automatically adjusting 30.
Again, on main shaft chassis 10, combine with a side hinge protrusions portion 13 of adapter base plate 20, consider so-called electric axis (off-axis) phenomenon that is connected is reversed with the center of adapter 21 in the center of cd-rom drive motor 12, the Spring screws 23 of adjusting two centers has been installed.
Again, main shaft chassis 10 and adapter base plate 20 are when adapter rake 30 drives, disconnect fully in main shaft chassis 10 in order to prevent adapter base plate 20, then in the middle of both sides, rear portion and front part with spring S separately
1, S
2, S
2Connect.
Adapter rake 30 is the tilt drive motor 31 by the front side that is installed in main shaft chassis 10; Meshing several neutral gears 32 in tilt drive motor 31; Prolongation is in the front side of adapter base plate 20 and be combined in the cam part 32a of last neutral gear 32, according to the height of that cam part 32a, makes adapter base plate 20, is formed with the guiding rotating part 33 that hinge protrusions portion 13 carries out each spinning as the center.
The operation of the above-mentioned existing optical recording and the optical axis adjustable device of reconstructor is as follows:
At first, with flatness detecting sensor 27, be shelved on after the record surface emission light of the CD on the rotating disk 11, the light that detection of reflected is returned detects the distance with CD D record surface, calculates the irrelevance of CD D by this.
Afterwards,, adjust the inclinator of adapter base plate 20, carry out the record of adapter 21 optical axises on the adapter base plate 20 and CD D and make vertical adjustment operation for the rub-out signal that irrelevance took place along with CD D reaches minimum value.
Words of Guan Chaing in more detail, the distance that flatness detecting sensor 27 is detected to record surface, be that interior week of CD D is when nearer than periphery, as Fig. 3 a, think that CD slightly down partially, suppose tilt drive motor 31, rotate with clockwise, thereby the cam part 32a step-down of final neutral gear 32, the direction protrusion portion 33 of adapter base plate 20 is also along with step-down, the result, and adapter base plate 20 is that the center is rotated separately with hinge protrusions 13, strengthen the distance of adapter 21 and CD, become the record surface of the optical axis of adapter 21 perpendicular to CD D.
On the contrary, shown in Fig. 3 b, then think CD D slightly on the upper side when the distance that flatness detecting sensor 27 is detected, the periphery of CD D are nearer than interior week, tilt drive motor 31 is carried out the counter clockwise direction rotation, the cam 32a of final neutral gear 32 and 33 of the guiding rotating parts of adapter base plate 20 uprise, simultaneously, adapter base plate 20 is rotated the result with counterclockwise, the close proximity of adapter 21 and CD D, the optical axis that makes adapter 21 is with the record surface of vertical irradiation in CD D.
But, above-mentioned existing optical recording and reconstructor are that CD drive 12 is installed on main shaft chassis 10, adapter 21 is disposed at adapter base plate 20, adapter base plate 20 hinges are incorporated into main shaft chassis 10, several support spring S1, S2, S3 and the hinge axis that can flexibly combine main shaft chassis 10 and adapter 20, the Spring screws 23 the same optical axises of adjusting that also have the consideration electric axis (off axis) of drive motor 12 and 21 of adapters, need many parts, so there is the problem that improves production cost.
And for example the main shaft chassis 10, and adapter base plate 20 along with using these many group base plates, increases the volume of optical recording and reconstructor, have the relative problem that reduces, exists its weight of increase of design freedom to loading system and loop part etc.
(3) summary of the invention
The present invention be directed to above-mentioned optical recording and reconstructor brought that problem proposed, purpose provides can adjust optical axis easily, can reduce the optical recording of volume and weight and the optical axis adjustable device of reconstructor.
The object of the present invention is achieved like this: the optical axis adjustable device of a kind of optical recording and reconstructor comprises: comprising: the adapter base plate of fixing disc drive motor; Above the described adapter base plate, be provided with adapter; Be installed on the adapter base plate, make adapter carry out the adapter tilting gearing of angle rotation; Wherein said adapter tilting gearing comprises: the described adapter guide part of adapter guide part that the guiding adapter moves possesses slidably dip plane; Be installed in the cam part that the corresponding described adapter axis of guide on the adapter base plate carries out vertical moving; Combine the pitch drives portion that the corresponding adapter guide part of described cam part is vertically moved with described cam part; Wherein said adapter guide part comprises: the adapter drive motor that is installed in described adapter base plate; With described adapter with about the screw shaft that moves; Be slidingly connected at described adapter, one section reverse side that is resilient support at the adapter base plate, another section is that the adapter axis of guide by at least more than one that is slidingly connected at the dip plane of cam part is constituted, and it is characterized in that:
The epimere of described cam part has the dip plane, and the described adapter axis of guide is slidingly mounted on described dip plane;
One side of the described adapter axis of guide is installed in described adapter base plate with making the described adapter axis of guide be close to the resilient material that supports the dip plane;
The both sides of the described adapter axis of guide, the inboard and the outside are installed in described adapter base plate to the guiding separately of the disengaging that prevents the adapter axis of guide with the cut-out teat;
Described cam part is, has the dip plane therebetween, and the adapter axis of guide is slidably inserted into;
Effect of the present invention: optical recording of the present invention and reconstructor optical axis adjustable device are owing to be installed in the adapter base plate to drive motor at the bottom of the CD and adapter tilting gearing together and constitute, so along with the reduction of part number can be reduced assembly process and producing cost, along with the minimizing of the volume and weight of machine can be done miniaturization.Increased the design freedom of loading system and loop part, made easily.
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
The internal plane and the outboard profile of existing optical recording of Figure 1 and Figure 2 and reconstructor;
The outboard profile of the optical axis adjustment process of optical recording and reconstructor shown in Fig. 3 a and the 3b;
The internal plane and the outboard profile of Fig. 4 and optical recording of the present invention shown in Figure 5 and reconstructor;
The cam part oblique view of optical recording of the present invention shown in Figure 6 and reconstructor;
The outboard profile of the optical axis adjustment process of optical recording of the present invention and reconstructor shown in Fig. 7 a, the 7b.
(5) embodiment
Below, with the optical axis adjustable device of optical recording of the present invention and reconstructor, the embodiment shown in is elaborated with reference to the accompanying drawings.
Fig. 4 and shown in Figure 5 be the internal plane and the outboard profile of optical recording of the present invention and reconstructor, shown in Figure 6 is the oblique view of the lobe plate of optical recording and reconstructor.
The same as shown in the figure, according to the present invention, the optical recording and the reconstructor that possess optical axis adjustable device are, the adapter base plate 110 that has comprised the cd-rom drive motor 112 that possesses the rotating disk 111 that rotary CD D uses, be slidingly connected at adapter base plate 110 and slidable in the above adapter 120, make it to be positioned at the front side of adapter 120, and be installed in adapter base plate 110, adjust the adapter tilting gearing 130 of adapter 120 optical axises.
Again, front side at adapter base plate 110, installed and driven the tilt drive motor 132A of pitch drives portion 132 and a plurality of neutral gear 132B that combine with this drive motor 132A, and be equipped with wherein last neutral gear 132B is mutually meshing, the above-mentioned adapter axis of guide 114 is carried out the cam part 131 of the adapter tilting gearing 130 of angular motion, it is slided by the vertical direction of the adapter axis of guide 114.Will make it smooth sliding and insertion at the 131C of direction protrusion portion of cam part 131 described later again, thereby form the guide hole 116 of deep hole image.
Again, form the 131C of direction protrusion portion in front, be slidably inserted into guiding aperture 116, make it to combine in adapter base plate 110.
Rake 131a is, forming according to the same number of the number of each adapter axis of guide 114, should be set as vergence direction and the angle of inclination of each rake 131a same.Again,, break away from from the facial 131a that tilts, should be provided with and cut off teat 131d for breaking off the adapter axis of guide 114 at left and right sides and the preceding side periphery of rake 131a.
Pitch drives portion 132 is, is fixed on the tilt drive motor 132A of the front side of adapter base plate 110, and connect tilt drive motor 132A, and the revolving force of motor is sent to being made of a plurality of neutral gear 132B of cam part 131.Wherein, last neutral gear 132B is meshing bar gear 131b in cam part 131, and rotatablely moving of tilt drive motor 132A is converted to the rectilinear motion of cam part 131, has made it the effect of neutral gear.
Between adapter 120 and cam part 131, be connected to form with laminated spring, make the adapter axis of guide 114 tight connectings at rake 131a, the 2nd support spring of being pushed down simultaneously 117 is installed in adapter base plate 110, the interior outside at the adapter axis of guide 114, of the action of that adapter axis of guide 114 along with cam part 131, and the guiding of concrete work is formed on adapter base plate 110 with guiding rotating part 118 is outstanding, is that officials go property.
According to the action effect of the optical axis adjustable device of above-mentioned optical recording of the present invention and reconstructor, as follows.
Promptly, the words that CD D places turntable sheet 111 to be rotated, adapter drive motor 113 and adapter driving shaft 113A are rotated, adapter 120 is carried out translation from the inside to the outside from CD D, at this moment, the top flatness detecting sensor 122 that is installed in adapter 120 detect the record surface emission of the CD D on rotating disk 111 and the light that reflects after, calculate the distance of CD D thus to record surface, can mark irrelevance thus.
Afterwards, irrelevance at CD D, for vertically to adjust the optical axis of adapter 121, if the rotation amount of known tilt drive motor 132A, tilt drive motor 132A just is rotated by its rotation amount, simultaneously adapter 120 is carried out the angle rotation, the optical axis of the record surface of CD D and adapter 121 is made it vertical, adjust.
Illustrate in greater detail, as follows:
Shown in Fig. 7 a, when CD D down departs from, the tilt drive motor 132A that is passed by which direction (correct is the direction that makes the inclination step-down that the adapter axis of guide of adapter contacted) is rotated, then through neutral gear 132B, that cam part 131 of steering handle by the facial 131a step-down of inclination moves in the left and right directions for the bar gear 131b of neutral gear 132B and cam part 131 is coincideing mutually at last, along with cam part 131 moves, place the adapter axis of guide 114 of rake 131a to drop to suitable height, the record surface of the optical axis of adapter 120 and CD D just meets with vertical.
At this moment, the adapter axis of guide 114 is that the 1st support spring 115 of resilient support back segment carries out the same of each spinning as the center, and leading portion is, is pushed down by the 2nd support spring 117 supporting brute forces, then is contacted with dip plane 131a all the time.
Again, cam part 131 is, along with the 131C of direction protrusion portion of that bottom surface moves at the pilot hole about 116 along with adapter base plate 110 fully, in the process of cam part 131 with move left and right, the both sides adapter axis of guide 114 is to lead and carry out work by being equipped with guiding rotating part 118 in the interior outside, the cut-out teat 131d that possesses in cam part 131 is hung up, so the disconnection fully of the rake 131a that can prevent in cam part 131.
Shown in Fig. 7 b, when CD D upwards departs from, tilt drive motor 132A and above-mentioned operation reverse direction rotation, then cam part 131 also is that the same both sides adapter axis of guide 114 that combines with adapter 121 is under the state of being pushed down by the 2nd support spring 117 with oppositely mobile, carry out each spinning as the 1st support spring 115 as the center, up to the optical axis of adapter 121 and the record surface of CD D form vertical till, the rake 131a with cam part 131 will be moved upwards up to suitable height.
Come to this, cam part 131, guiding teat 131C along with that bottom surface, pilot hole 116 move left and right in 110 formation of adapter base plate, in cam part 131 move left and right processes the both sides adapter axis of guide 114 by each at the guiding rotating part 118 of sidepiece with put at the cut-out teat 131d of cam part 131 fully, thereby can prevent to disconnect fully.
Then,, then do not need other axis or Spring screws, can reduce the part number along with cd-rom drive motor and adapter tilting gearing are combined, thus few operational sequence of letter and production cost.
Again, along with using a base plate relatively to reduce the volume and weight of optical recording and reconstructor, Miniaturizable has strengthened the design freedom of loading system and loop part etc., so make simple.
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. the optical axis adjustable device of optical recording and reconstructor comprises: the adapter base plate of fixing disc drive motor; Above the described adapter base plate, be provided with adapter; Be installed on the adapter base plate, make adapter carry out the adapter tilting gearing of angle rotation; Wherein said adapter tilting gearing comprises: the adapter guide part that the guiding adapter moves; Described adapter guide part possesses slidably dip plane; Be installed in the cam part that the corresponding described adapter axis of guide on the adapter base plate carries out vertical moving; Combine the pitch drives portion that the corresponding adapter guide part of described cam part is vertically moved with described cam part; Wherein said adapter guide part comprises: the adapter drive motor that is installed in described adapter base plate; With described adapter with about the screw shaft that moves; Be slidingly connected at described adapter, one section reverse side that is resilient support at the adapter base plate, another section is that the adapter axis of guide by at least more than one that is slidingly connected at the dip plane of cam part is constituted, and it is characterized in that:
The epimere of described cam part has the dip plane, and the described adapter axis of guide is slidingly mounted on described dip plane;
One side of the described adapter axis of guide is installed in described adapter base plate with making the described adapter axis of guide be close to the resilient material that supports the dip plane;
The both sides of the described adapter axis of guide, the inboard and the outside are installed in described adapter base plate to the guiding separately of the disengaging that prevents the adapter axis of guide with the cut-out teat;
Described cam part is, has the dip plane therebetween, and the adapter axis of guide is slidably inserted into.
2. the optical axis adjustable device of optical recording as claimed in claim 1 and reconstructor, a side that it is characterized in that described cam part, be provided with the one side of tooth bar, have pinion wheel in described pitch drives portion, rotatablely moving of pitch drives portion converted to the rectilinear motion of cam part, and the adapter guide part is along with angular motion is carried out in the dip plane of cam part.
3. the optical axis adjustable device of optical recording as claimed in claim 1 and reconstructor, it is characterized in that being provided with direction protrusion portion in the bottom surface of described cam part, bottom surface in described cam part is formed with pilot hole on described adapter base plate, at the interior outside of the described adapter axis of guide outstanding guiding rotating part that is formed with on described adapter base plate, described pilot hole is in a side of described guiding rotating part, and described cam part direction protrusion portion is slidably inserted in described pilot hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02137178 CN1246846C (en) | 2002-09-27 | 2002-09-27 | Optical axis adjusting device of reconstructor for optical recording |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02137178 CN1246846C (en) | 2002-09-27 | 2002-09-27 | Optical axis adjusting device of reconstructor for optical recording |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1485827A CN1485827A (en) | 2004-03-31 |
| CN1246846C true CN1246846C (en) | 2006-03-22 |
Family
ID=34146903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02137178 Expired - Fee Related CN1246846C (en) | 2002-09-27 | 2002-09-27 | Optical axis adjusting device of reconstructor for optical recording |
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| Country | Link |
|---|---|
| CN (1) | CN1246846C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108182954B (en) * | 2018-03-13 | 2024-01-09 | 北部湾大学 | Computer CD-ROM drive tray with shock attenuation dustproof function |
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2002
- 2002-09-27 CN CN 02137178 patent/CN1246846C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1485827A (en) | 2004-03-31 |
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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 | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060322 Termination date: 20091027 |