CN100433149C - Device for correcting inclination of CD driver - Google Patents
Device for correcting inclination of CD driver Download PDFInfo
- Publication number
- CN100433149C CN100433149C CNB2005100299457A CN200510029945A CN100433149C CN 100433149 C CN100433149 C CN 100433149C CN B2005100299457 A CNB2005100299457 A CN B2005100299457A CN 200510029945 A CN200510029945 A CN 200510029945A CN 100433149 C CN100433149 C CN 100433149C
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- China
- Prior art keywords
- mentioned
- inclined base
- inclination
- cabin
- seat
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Abstract
The tilt correction device includes following parts: cabin seat of connecting piece; tilt base seat setup inside the connecting piece; hinge needle in use for connecting the cabin seat to the tilt base seat; pick device with one end being fixed on the tilt base seat, and the other end being fixed on the cabin seat; with the hinge needle as center, swiveling device of making the tilt base seat rotate. Since the tilt base seat and the cabin seat are at same plane, thickness of tilt adjustment fixture cabin is reduced so as to reduce weight and fabricating cost. The cabin seat and the tilt base seat are integrated designed. Thus, the tilt correction device is suitable to thinner optical disk drive.
Description
[technical field]
The invention relates to the correcting inclination equipment of CD drive, its principal character is that driver correcting inclination equipment has been realized lightweight because of it, thereby has reduced expense.
[background technology]
The CD drive of optical recording playback equipment is to utilize the optical instrument identical with pickup unit, a kind of equipment of record/broadcast CD.According to such optical recording playback equipment, behind the selected optical disc copy equipment the secure rom of record/broadcast information put into the rotating disk of spindle motor, be rotated with the speed of stipulating then.During CD rotation, Yi Bian pickup unit on one side to the radial direction of CD move check the light beam in the CD and read light signal after, write down this information.
At this moment, from the light beam that pickup unit begins to check, promptly light beam must be the surface of perpendicular recording at CD.Pickup unit must be kept cd-rom recording surface and move under the situation of certain level degree.If, the amount of bending CD regulation or because the transmission of pickup unit assembly error partly, the light beam that begins to check from pickup unit is being found light beam not under the situation perpendicular to optical disc surface, the information in record/broadcasts CD will be very difficult.Particularly, DVD that is widely used recently or BD, since more much smaller than the record pit of general compression CD, so the sensitivity suitable to levelness.
So, the light beam of checking from the pickup unit of optical recording playback equipment, under can not the situation vertical with CD, adjust the upper and lower position of pickup unit this moment, makes the levelness of its suitable pick-up.Correcting inclination equipment has possessed above-mentioned functions.
Fig. 1 and Fig. 2 represent the CD drive synoptic diagram that former correcting inclination equipment 1 is possessed.Shown in picture, former correcting inclination equipment is only supported a pair of guide function of pickup unit, makes its rising or decline according to the angle of inclination of an inclined base, adjusts the levelness of optical pick-up unit.
If we examine above-mentioned diagram, former CD drive mainly contains following a few part and forms.After CD 2 is put into safely, the cabin portion 10 that the spindle motor 12 that drives is provided with, recording disk 2 information, the pick device of playing 20, adjust the correcting inclination part 30 of pick device 20 levelnesss, allow the regulation amplitude of fluctuation of the position between correcting inclination portion 30 and the cabin portion 10, also comprise 3 fixing springs 40 simultaneously.
Here this can see that above-mentioned cabin portion 10 is as long as be made of following part.Constitute the cabin seat 11 that the electric accessories circuit is installed, the spindle motor of fixing above the cabin seat 11 12, the CD 2 that safety is inserted above the spindle motor 12, above-mentioned part has just constituted a complete rotating disk 13.
Above-mentioned pick device 20 comprises following a plurality of part.On CD 2, check the pickup unit 21 of light beam, drive the transmission motor 22 of transmission pickup unit 21, the guider screw 23 that is connected the back rotation with transmission motor 22, the connecting portion 24 that connects pickup unit 21 guider screws, the a pair of axis of guide 25 that guiding pickup unit 21 moves forward and backward, fixedly the spring 26 at two ends can make an axis of guide 25 in a pair of axis of guide 25 move up at upper and lower, the fixed object 27 of another axis of guide 25 in the fixing a pair of axis of guide 25, the optical sensor 28 that pickup unit 21 adheres to above can be checked the levelness of pickup unit 21.
Above-mentioned correcting inclination portion 30 mainly is made of following part.The inclined base 31 that forms for the dip plane that can regulate pick device 20, cabin portion 10 comprises the hinge pin 32 that connects inclined base 31 in order to make inclined base portion 31 rotate cabin seat 11 again, inclined base 31 also comprises with the hinge pin being that the center provides the inclination motor 33 of driving force for making 11 rotations of cabin seat, pinion wheel 34 with inclination motor 33 interlocks, the inclination gearing 35 that is connected with pinion wheel, according to the rotation that the central overhang of inclination gearing 35 forms, beginning the dip plane from the side can constantly raise.In addition, also have the inclination cam 36 that is connected with the bottom surface of the side (11a) of cabin seat 11 to constitute complete correcting inclination portion 30.
Below we will be elaborated to the principle of operation of the correcting inclination equipment 1 of past CD drive.
In CD drive, if the CD 2 of bending is copied, before the information that reads CD 2, the optical sensor 28 that is installed in above the pickup unit 21 can be checked the levelness of pickup unit 21 and CD 2 bottoms.Check the result after the levelness, if surpass the setting of pickup unit 21 and CD 2 levelnesss, this moment is inclination motor 33 startings, and the inclination gearing 35 of the pinion wheel 34 that linking rotates together with inclination motor 33 is rotated simultaneously.Rotation according to inclination gearing 35, inclination gearing 35 formed inclination cams 36 are because can increase gradually, so make the cabin seat 11 that rotates to be the center with hinge pin 32 carry out trickle rotation, therefore must suitably regulate to the levelness of pickup unit 21.Therefore, pickup unit 21 is followed a pair of axis of guide 25, moves according to driving motor 22 again, and this has just formed normal video disc recording/playing process.
But overseas Chinese's correcting apparatus of former CD drive is the structure that combines again after being installed separately by cabin portion 10 and tilt adjustments portion 30.So, as shown in Figure 2, must guarantee to represent the space length of length with symbol L, but it is the same with the employed CD drive of P C machine, if it is just relatively more difficult in the goods of determining with a higher standard correcting inclination equipment to be carried out the length setting, the existing problem of the correcting inclination equipment place before Here it is.Simultaneously, former correcting inclination equipment, because it has a lot of annexes, so also correspondingly increased manufacturing expense, this also is one of main crux of its existence.
[summary of the invention]
As the above, the correcting inclination equipment of a kind of new CD drive that the present invention researches and develops for the technical matters that solves former existence.The fundamental purpose that we make CD drive correcting inclination equipment is, to the user a kind of correcting inclination equipment of independent cabin seat CD drive is provided, in the light-weighted manufacturing expense that reduces simultaneously of realization equipment.
In addition, another object of the present invention is to provide a kind of to the user, and cabin seat and inclined base make the CD drive correcting inclination equipment of its CD drive that suitable thicknesses is thinner as far as possible on an aspect.
To achieve these goals, we research and develop this CD drive correcting inclination equipment, and the present invention comprises following feature altogether.Recording disk; Have the driver of playing CD; The cabin seat that can connect; Inclined base with above-mentioned connecting portion setting; In order to make inclined base and cabin seat on a plane, cabin seat and inclined base have been connected to form hinge pin; One end is fixed by above-mentioned inclined base, and the other end is fixed on the pick device on the seat of cabin; With above-mentioned hinge pin is the center, makes the whirligig of above-mentioned inclined base rotation.
The present invention also has following feature, at above-mentioned connecting portion inclined base is set, and the part of inclined base and cabin seat reduce the thickness that it comprises the cabin portion equipment of inclination adjustment device on same plane, realize its lightweight, and reduces manufacturing expense.Simultaneously, cabin seat and inclined base on an aspect, the thinner CD drive of suitable thicknesses so as far as possible.
In addition, the connecting portion that in the seat of above-mentioned cabin, forms, part has formed the workbench of a broad in the central.At this moment, only central part can connect, and the connecting portion of central part just can successfully connect like this.
In addition, above-mentioned pick device comprise can be in CD recorded information and the pickup unit that can play; Guide the axis of guide of above-mentioned pickup unit.One end of the above-mentioned axis of guide is connected with the cabin seat, and the other end of the axis of guide is connected with inclined base.
At this moment, the two ends of the above-mentioned axis of guide are because be connected with each spring, so for above-mentioned cabin seat, the rotation of inclined base just has been more prone to.
On the other hand, be installed in the optical sensor above the above-mentioned pickup unit, very good to the effect that the pickup unit levelness is examined.
In addition, above-mentioned inclined base comprise "
" shape, this is to constitute easier for the whirligig that makes above-mentioned inclined base rotation.More concrete "
" "
" "
" or the situation of "+" shape under, for making above-mentioned inclined base rotation, make it to the directions distortion that adds 90 degree; Occur "
" and "
" under the situation of shape, so can make above-mentioned inclined base rotation because its direction to above-mentioned inclined base plane is afterburning.
And the main following feature of above-mentioned whirligig constitutes.The inclination motor that is provided with on the seat of above-mentioned cabin is carried out the interlock rotation with above-mentioned inclination motor, according to rotation the inclination cam of formation is uprised gradually; Set above-mentioned inclination cam and be connected with the one side of inclined base, this moment, above-mentioned inclined base was that the center is rotated with the hinge pin according to the rotation of above-mentioned inclination cam.
As mentioned above, the invention relates to a new invention of CD drive correcting inclination equipment, have following main portion to constitute.This equipment mainly comprises, have and connect cabin seat partly, be arranged on the inclined base of above-mentioned connecting portion, connect the formed hinge pin of above-mentioned cabin and inclined base, one end is fixed on the other end on the above-mentioned inclined base and is fixed on pick device on the said base, with above-mentioned hinge pin is the equipment that the center makes the rotation of above-mentioned inclined base, and the part of above-mentioned inclined base and cabin seat are on same plane and the inclination adjusting device that carries out.The thickness that we have reduced cabin portion formation has achieved lightweight, also reduced simultaneously manufacturing expense, because being formed on the aspect of cabin seat and inclined base is so the CD drive correcting inclination equipment that we provide can the thinner CD drive of suitable thicknesses.
[description of drawings]
Fig. 1 Fig. 2 represents, the synoptic diagram of past CD drive, and wherein Fig. 1 is a planimetric map,
Fig. 2 represents, according to the cross sectional representation of the line of cut II-II of Fig. 1;
Fig. 3 and Fig. 4 represent, when using device for correcting inclination in an embodiment, are suitable for CD drive synoptic diagram of the present invention, and wherein Fig. 3 is a planimetric map,
Fig. 4 represents, according to the cross sectional representation of the line of cut IV-IV of Fig. 3.
[embodiment]
Embodiment to CD drive correcting inclination equipment of the present invention is elaborated below with reference to accompanying drawings.
Because only the present invention will be described, in order more to be expressly understood main idea of the present invention, so we will omit function or the specifying of formation known altogether.In addition, identical part with aforesaid formation and identical some, we will mark identical reference marks, and we will omit the detailed description of this part for this reason.
Fig. 3 and Fig. 4 represent, carry out the CD drive synoptic diagram of the correcting inclination equipment formation of embodiment according to the present invention; Fig. 3 is a planimetric map, and Fig. 4 is the cross sectional representation according to the line of cut IV-IV of Fig. 3.
Just as shown in the figure, the present invention's correcting inclination equipment 100 of carrying out embodiment has CD drive and has comprised following a plurality of parts.Make CD 101 safe load facilities and drive the cabin portion 110 that its spindle motor 12 is provided with, the pick device 120 of record and broadcast CD 101 information, regulate the correcting inclination portion 130 of pick device 120 levelnesss, allow the regulation amplitude of fluctuation of the position between correcting inclination portion 130 and the cabin portion 110, also have 3 fixing springs 40.
Above-mentioned cabin portion 110 mainly is made of following part.Make its forming circuit after motor accessories is installed,, be fixed on the spindle motor 112 above the cabin seat 111, make CD 101 safe rotating disks 113 of packing into above the spindle motor 112 with the formed cabin of connecting portion (11a) seat 111 of central part.
Above-mentioned pick device 120 mainly is made of following a plurality of parts.In CD 101, check the pickup unit 121 of light beam, the driving transmission motor 122 of transmission pickup unit 121, that uses that gearing connects transmission motor 122 and guider screw 123 is connected partly 124, one end is fixed on the other end on the cabin seat 111 and is fixed on a pair of axis of guide 125 on the inclined base 131, can guide pickup unit 121 to move forward and backward, the fixing spring 126 at two ends, can make the axis of guide 125 in up and down universal, do the mobile of regulation like this, the optical sensor 127 that pickup unit 121 is installed above can be checked the levelness of pickup unit 121.
Above-mentioned correcting inclination portion 130 comprises following part and principal character.
For pick device 120 is carried out tilt adjustment, at the connection of cabin seat 11 111a place partly, the cross section is set is "
" and "
" inclined base 131 of the shape that connects; according to cabin portion 110; hinge pin 132 that the both sides of inclined base 131 are connected with cabin seat 111 rotates inclined base 131; hinge base 133 of fixed hinge pin 132; spring 134 that begins in order to prevent that hinge pin 132 from coming off from hinge base 133; interconnective drag spring 135 between inclined base 131 and cabin seat 111, making cabin seat 111 is the power inclination motor 136 that the center is rotated with hinge pin 132, carry out the pinion wheel 137 that interlock rotates with inclination motor 136, the inclination gearing 138 that is connected pinion wheel 137, form rotation according to inclination gearing 138 central portions are outstanding, begin the dip plane from the side and constantly raise, connect the inclination cam of seat 111 1 side bottom surfaces, cabin.
Below, the principle of operation of the present invention being carried out embodiment is elaborated.
If in CD drive, put into the CD 101 of bending, before the information that reads CD 101, check according to 127 pairs of levelnesss of the top optical sensor that is installed in pickup unit 121 in pickup unit 121 and CD 101 bottom surfaces.Check the result of levelness, if the levelness of pickup unit 121 and CD 101 has surpassed setting, inclination motor 136 will start, and the guiding inclination gearing 138 that the pinion wheel 137 with inclination motor 136 one is rotated simultaneously also begins rotation.Rotation according to inclination gearing 138, the height of inclination gearing 138 formed inclination cams 139 begins to change, cam 139 makes a side 131a of inclined base 131 begin to move, and inclined base 131 is that the center fine is rotated with the hinge pin 132 of rotation center simultaneously.According to the rotation of inclined base 131, regulate the height of the axis of guide 125 1 ends, according to the dumper of the axis of guide 125, so just can regulate simultaneously the levelness of pickup unit 121.Simultaneously, the transmission motor 122 that carries out work according to a pair of axis of guide 125 of pickup unit 121 normally carries out video disc recording/broadcast while move.The present invention that Here it is carries out the principle of operation and the whole process of work.
In addition,, significantly reduce, achieved lightweight, also reduced manufacturing expense simultaneously so comprise its thickness of cabin portion of adjusting reclining device because inclined base 131 and cabin seat 111 are at grade.Because being formed on the aspect of cabin seat and inclined base is so the CD drive correcting inclination equipment that we provide can the thinner CD drive of suitable thicknesses.
On the other hand, compare with the length (L1) that begins from hinge pin 132 to inclined base 131 ends, (L2) is more abundant for the length of the axis of guide 125, so use the levelness of identical 139 pairs of pickup units 121 of inclination cam to control more accurately.
Simultaneously, inclined base 131 as shown in Figure 4, according to "
" and "
" connect formed form, towards the direction of cabin seat 111 bottom surfaces, the height of inclination cam 139 begins to increase gradually; Inclination cam 139 and end "
" connect, be that the center is rotated inclined base 131 therefore with hinge pin 132, use "
" fixed part 126 of the terminal axis of guide 125 of shape to be to be up and down that direction is moved, so just can regulate the levelness of pickup unit 121.
By above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.
Therefore, the technical scope of this invention is not limited to the content on the instructions, must determine its technical scope according to interest field.
Claims (10)
1, the device for correcting inclination of CD drive comprises:
The driver that has record and broadcast CD;
The cabin seat that possesses connection;
The inclined base that is provided with at the connecting portion of above-mentioned connection;
Above-mentioned cabin seat is connected with above-mentioned inclined base and the hinge pin that forms;
One end is fixed on the other end on the above-mentioned inclined base and is fixed on pick device on the seat of above-mentioned cabin;
With above-mentioned hinge pin is the center, makes the whirligig of above-mentioned inclined base rotation.
2, as the device for correcting inclination of claim item 1 described CD drive, it is characterized in that,
The part of above-mentioned cabin seat and above-mentioned inclined base is on same plane.
As the device for correcting inclination of claim item 2 described CD drive, it is characterized in that 3, described device also comprises:
The pick device of record and broadcast information in above-mentioned CD;
Guide the axis of guide of above-mentioned pick device.
4, as the device for correcting inclination of claim item 3 described CD drive, it is characterized in that,
One end of the above-mentioned axis of guide is connected on the seat of cabin, and the other end of the axis of guide is connected on the above-mentioned inclined base.
5, as the device for correcting inclination of claim item 4 described CD drive, it is characterized in that,
The two ends of the above-mentioned axis of guide are all connected by each spring.
6, as the device for correcting inclination of claim item 3 described CD drive, it is characterized in that,
The optical sensor of the levelness that can check pickup unit of on above-mentioned pickup unit, installing.
7, as the device for correcting inclination of claim item 2 described CD drive, it is characterized in that, comprised in above-mentioned inclined base "
" shape.
As the device for correcting inclination of each described CD drive in the claim item 1 to 7, it is characterized in that 8, above-mentioned whirligig comprises:
Be arranged on the inclination motor on the seat of above-mentioned cabin;
With above-mentioned inclination motor interlock, and according to rotating the cam that forms differing heights, above-mentioned cam is connected with the one side of above-mentioned inclined base, and according to the rotation of cam, above-mentioned inclined base is that the center is rotated with the hinge pin.
9, as the device for correcting inclination of each described CD drive in the claim item 1 to 7, it is characterized in that,
Above-mentioned whirligig comprises:
Be installed in the inclination motor on the above-mentioned inclined base;
With above-mentioned inclination motor interlock, and according to rotating the cam that forms, this cam increases gradually, and above-mentioned cam is connected with the one side of above-mentioned inclined base, and according to the rotation of cam, above-mentioned inclined base is that the center is rotated with the hinge pin.
10, as the device for correcting inclination of each described CD drive in the claim item 1 to 7, it is characterized in that,
Be connected the spring between above-mentioned inclined base and the above-mentioned cabin seat, can make between above-mentioned inclined base and the above-mentioned cabin seat to spur with the elastic force of stipulating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100299457A CN100433149C (en) | 2005-09-23 | 2005-09-23 | Device for correcting inclination of CD driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100299457A CN100433149C (en) | 2005-09-23 | 2005-09-23 | Device for correcting inclination of CD driver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1937054A CN1937054A (en) | 2007-03-28 |
| CN100433149C true CN100433149C (en) | 2008-11-12 |
Family
ID=37954514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100299457A Expired - Fee Related CN100433149C (en) | 2005-09-23 | 2005-09-23 | Device for correcting inclination of CD driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100433149C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1183615A (en) * | 1996-11-25 | 1998-06-03 | 三星电子株式会社 | Tilt adjusting device for optical disk player |
| US6426925B1 (en) * | 1998-10-09 | 2002-07-30 | Sony Corporation | Recording and/or reproducing apparatus with tilt adjustment mechanism |
| CN1466130A (en) * | 2002-06-17 | 2004-01-07 | 上海乐金广电电子有限公司 | Regulator for offset of pick up head of disc driver |
-
2005
- 2005-09-23 CN CNB2005100299457A patent/CN100433149C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1183615A (en) * | 1996-11-25 | 1998-06-03 | 三星电子株式会社 | Tilt adjusting device for optical disk player |
| US6426925B1 (en) * | 1998-10-09 | 2002-07-30 | Sony Corporation | Recording and/or reproducing apparatus with tilt adjustment mechanism |
| CN1466130A (en) * | 2002-06-17 | 2004-01-07 | 上海乐金广电电子有限公司 | Regulator for offset of pick up head of disc driver |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1937054A (en) | 2007-03-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20081112 Termination date: 20091023 |