CN1506954A - Dust guard for light pick-up lens - Google Patents
Dust guard for light pick-up lens Download PDFInfo
- Publication number
- CN1506954A CN1506954A CNA021512523A CN02151252A CN1506954A CN 1506954 A CN1506954 A CN 1506954A CN A021512523 A CNA021512523 A CN A021512523A CN 02151252 A CN02151252 A CN 02151252A CN 1506954 A CN1506954 A CN 1506954A
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- CN
- China
- Prior art keywords
- light picker
- camera lens
- shutter part
- dust guard
- lens
- Prior art date
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Abstract
The designed dust guard for light pick-up lens includes mainly the following parts: a fixed base board; a conveying base board reciprocating along a guide shaft on the fixed base board; a light pick-up device installed onto the conveying base board and with object lens; a shutter part installed via the light pick-up device and the conveying base board to open and close the outer environment via rotation around some fixed shaft during the reciprocation of the conveying base board; a cleaning part opposite to the object lens and below the shutter and sweeping the lens of the light pick-up to eliminate dust through contact with the lens surface along with the rotation of the shutter part.
Description
(1) technical field
The present invention relates to a kind of disk player, particularly about a kind of dust guard of the light picker camera lens in CD player, purpose is to prevent that dust from dropping on the interior light picker camera lens of disk player.
(2) background technology
Possessing on CD player has the information that is recorded in CD of playing, or the light picker of record.Fig. 1 is the synoptic diagram that possesses the existing CD player of above-mentioned light picker, and substrate includes following several parts for 12 li.Be installed in and transmit on the substrate 14, comprise the light picker 16 of light picker camera lens 18, on above-mentioned light picker 16, be provided with the peristome 19 that exposes outside light picker camera lens 18.
One side of substrate 12 is equipped with the universal stage 20 of laying CD, and the turning axle that is installed in the Spindle Motor (figure does not show) of substrate 12 downsides supports this universal stage 20 and also can rotate.Light picker 16 just is mounted on the transmission substrate 14 that leading axle 22 moves, and according to be arranged on the rotation that transmits the gear 26 that the tooth bar 24 on the substrate 14 matches, move back and forth to the direction of arrow along leading axle 22.
Light picker 16 illumination beam below CD, and move to the radial direction of CD, reading and saving is at optical disc data or record.
In above-mentioned CD player, the installment state of light picker 16 makes peristome 19 expose light picker camera lens 18 all the time, therefore through piling up dust after the end time on light picker camera lens 18.These dusts are reading and can produce harmful effect during record data.
In the time of the most serious, significantly reduce the function that transmits substrate 14, so light picker 16 will cause that mistake operates, and can not read or record data.Following dustproof means have been designed in order to remove effect of dust.
As Fig. 1, shown in Fig. 2 a and Fig. 2 b, in a side of light picker 16 shutter part 28 that cuts off light picker camera lens 18 from surrounding environment is installed, is provided with stationary shaft 30, on light picker 16, be provided with the stationary shaft patchhole 32 that inserts stationary shaft 30 in a side of shutter part 28.
One end of above-mentioned shutter part 28 is to prolong to be provided with closure 28a, forms hook projection 40 at an other end.
Moreover, being provided with ring spring 34 in a side of shutter part 28, a side of light picker 16 also is provided with ring spring 34, and above-mentioned two ring springs, 34 interconnective springs 36.
One side of substrate 12 is formed with detent 38.The effect of detent 38 is, when shutter part 28 is the center rotation with stationary shaft 30 switch light picker camera lens 18 time and hook projection 40 interlock rotating shutter parts 28.
Possess constitute above-mentioned CD player running shown in Fig. 2 a, in order to read the information of the CD that is placed in universal stage 20, move to the radial direction of CD and to transmit substrate 14.
This moment is according to the elasticity of the spring 36 on the ring spring that is connected above-mentioned light picker 16 and shutter part 28, on drawing, rotate above-mentioned shutter part 28 to counter clockwise direction, this moment, the closure 28a of above-mentioned shutter part 28 opened above-mentioned peristome 19, by the light of 18 irradiations of the light picker camera lens in the peristome 19, can arrive on the CD and also can read information.
When the user imports the order of ejecting CD, or when having imported the order that decommissions, above-mentioned transmission substrate 14 is to center position shown in Fig. 2 b, and the center position of universal stage 20 moves in other words.When transmitting the mobile end of substrate 14, be arranged on hook projection 40 contact and the detent 38 of an other end of shutter part 28, then move according to the continuation that transmits substrate 14, hook projection 40 is that contact is at detent 38, so shutter part 28 is the elasticity that overcomes above-mentioned spring 36, and allow closure 28a closed peristome 19 with this to clockwise direction rotation.Open when light picker camera lens 18 is carried out light picker 16 functions in other words, it is from surrounding environment closed peristome 19 in the time of outer, minimizes sneaking into of dust with this.
But above-mentioned dust guard, when carrying out the light picker function, the dust of sneaking into just can not be removed and continue to use, so can pile up a large amount of dust when permanent service time.In other words can not be basic remove the forfeiture of sneaking into dust and causing the light picker lens function.
(3) summary of the invention
The present invention is in order to address the above problem, its purpose is to provide a kind of light picker camera lens dust guard that possesses as lower member, shutter part is set, when the light picker camera lens is not carried out the light picker function, prevents dust or foreign material are blended into the light picker camera lens from external environment condition; In a side of shutter part cleaning device is installed, when the light picker camera lens executes the light picker function and when resetting, removes the dust of sneaking in the light picker function executing process.
The present invention is in order to reach described purpose, light picker camera lens dust guard of the present invention, and its characteristics are to comprise with lower member: substrate; The transmission substrate that on described substrate, moves back and forth along leading axle; One is installed on the described transmission substrate, and the light picker of thing lens is arranged by bundle at an upper portion thereof; Shutter part through described light picker with transmit substrate and install, when the moving back and forth of described transmission substrate, is the center rotation with a stationary shaft, from around external environment condition open and close the thing lenticular unit; Cleaning member is in the position of described thing lens opposite direction, and is installed in described shutter part below, follows shutter part to rotate when shutter part rotate and contacts with light picker camera lens face, clears away dust parts on the light picker camera lens with this.
The present invention also provides a kind of light picker camera lens dust guard that possesses following characteristics for reaching described purpose, and described cleaning member is to be arranged to the brush shape with a plurality of fibers.
The present invention for reach described purpose also provide a kind of possess as lower member be the light picker camera lens dust guard of its characteristic, described cleaning member is the fixed part that fibrous a bundle is hardened; Prolong described fixed part and formed the flexible portion of the soft shape of writing brush.
The present invention also provides a kind of light picker camera lens dust guard that possesses following characteristics for reaching described purpose, and described cleaning member is the below that is bonded at shutter part with alite paste.
The present invention also provides a kind of light picker camera lens dust guard that possesses following characteristics for reaching described purpose, and the width of the described cleaning member diameter than light picker camera lens at least is big.
The present invention also provides a kind of light picker camera lens dust guard that possesses following characteristics for reaching described purpose, be positioned at a side of light picker, and the peristome that the light picker camera lens is installed is to be initial point with position that the light picker camera lens is installed, prolongs with certain circumferential counter clockwise direction.
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 synoptic diagram of the shutter part in the existing CD player light picker camera lens dust guard.
Fig. 2 is mounted in the movement state diagram of the shutter part of the light picker camera lens dust guard on the existing CD player, wherein, Fig. 2 a is the open state of expression light picker camera lens, and Fig. 2 b is the light picker camera lens has been sealed in expression from environment on every side according to shutter part a state.
Fig. 3 is the planimetric map that concerns according between the shutter part of the light picker camera lens dust guard of CD player of the present invention and light picker camera lens and the light picker camera lens opening portion.
Fig. 4 is the main composition portion according to the light picker camera lens dust guard of CD player of the present invention---the installation site of cleaning member and the sectional view of structure thereof.
Fig. 5 is the view that is applied in CD player according to CD player light picker camera lens dust guard of the present invention.
(5) embodiment
Extremely shown in Figure 5 as Fig. 3, the upside of substrate 12 has the substrate 14 of transmission by bundle, transmit on the substrate 14 light picker 16 that comprises light picker camera lens 18 is installed, be provided with the peristome 19 that exposes light picker camera lens 18 above the light picker 16, peristome 19 forms with certain width extending towards the identical direction of the rotational trajectory of shutter part 28.
The top of light picker 16 is equipped with the universal stage 20 of laying CD, and this universal stage 20 is mounted on the turning axle of Spindle Motor (figure do not show) of substrate 12 downsides, and described turning axle supports this universal stage 20 and can rotate.Light picker 16 is mounted on the transmission substrate 14 that leading axle 22 moves, according to the rotation that is arranged on the gear 26 that the tooth bar 24 that transmits substrate 14 matches, move back and forth to the direction of arrow along leading axle 22.
The installment state of light picker 16 makes peristome 19 expose light picker camera lens 18 all the time, therefore through piling up dust after the end time on light picker camera lens 18.
Therefore as shown in Figure 3, in a side of light picker 16 shutter part 28 that cuts off light picker camera lens 18 from surrounding environment is installed, the installation constitution of its shutter part 28 is as follows; Side at shutter part 28 is provided with stationary shaft 30, is provided with the stationary shaft patchhole 32 that inserts stationary shaft 30 on light picker 16.
In addition, be provided with ring spring 34 in a side of shutter part 28, a side of light picker 16 also is provided with ring spring 34, with spring 36 above-mentioned two ring springs 34 is interconnected afterwards.
One end of above-mentioned shutter part 28 is to prolong to be provided with closure 28a, at an other end hook projection 40 is set.
One side of substrate 12 is provided with detent 38, when shutter part 28 is 18 switchings of center decision light picker camera lens with stationary shaft 30, with hook projection 40 interlock rotating shutter parts 28.
Be installed in the cleaning member 42 of shutter part 28,, therefore the difficulty that cleaning member 42 can be suitable be installed in addition because the space between shutter part 28 and the cleaning member 42 is very small.So in the present invention as shown in Figure 4, pasted cleaning member 42 in the above after below shutter part 28, being coated with alite paste 44.
The width of above-mentioned cleaning member 42 diameter than light picker camera lens 18 at least is big, and flexible portion 50 must be: also will contact with highly minimum outermost side face when contacting with 18 on the light picker camera lens with certain curvature.
The running that possesses the CD player of above-mentioned formation is shown in Fig. 2 a, in order to read the information of the CD that is placed in universal stage 20, moves to the radial direction of CD and to transmit substrate 14.
This moment is according to the elasticity of the spring 36 on the ring spring that is connected above-mentioned light picker 16 and shutter part 28, on drawing to counter clockwise direction rotating shutter parts 28, this moment, the closure 28a of shutter part 28 opened peristome 19, by the light of 18 irradiations of the light picker camera lens in the peristome 19, can arrive on the CD and also can read information.
When the user imports the order of ejecting CD, or when having imported the order that decommissions, above-mentioned transmission substrate 14 is to center position shown in Fig. 2 b, and the center position of universal stage 20 moves in other words.When transmitting substrate 14 mobile ends, be arranged on the hook projection 40 contact detents 38 of the other end of shutter part 28, continue to move according to transmitting substrate 14 afterwards, 40 contacts of hook projection are on detent 38, so shutter part 28 is the elasticity that overcomes above-mentioned spring 36, and, allow closure 28a closed peristome 19 with this to clockwise direction rotation.That is to say when light picker camera lens 18 is carried out light pickers 16 functions and when resetting after carrying out the light picker function, cleaning member clear light pick-up camera lens face after the light picker function that is through with, prevents sneaking into of foreign material according to shutter part.So according to the dust guard of light picker camera lens of the present invention, not only can prevent the foreign material of sneaking on the light picker camera lens face, can also in the middle of carrying out the light picker function, remove foreign material of sneaking into by force simultaneously.
Effect of the present invention:
According to the dust guard of the light picker camera lens of CD player of the present invention as mentioned above; in the shutter part of protection light picker camera lens, the cleaning member that can clean has been installed when using the light picker camera lens; prevent from light picker camera lens face, to pile up dust with this; again cleaning member be installed in shutter part below, with this clear light pick-up camera lens easily.So work that the light picker camera lens all the time can be stable.
Certainly, 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 (6)
1. the dust guard of a light picker camera lens is characterized in that comprising following parts: substrate; The transmission substrate that on described substrate, moves back and forth along leading axle; One is installed on the described transmission substrate, and the light picker of thing lens is arranged by bundle at an upper portion thereof; Shutter part through described light picker with transmit substrate and install, when the moving back and forth of described transmission substrate, is the center rotation with a stationary shaft, from around external environment condition open and close the thing lens; Cleaning member is in the position of described thing lens opposite direction, and is installed in described shutter part below, follows shutter part to rotate when shutter part rotate and contacts with light picker camera lens face, clears away dust on the light picker camera lens with this.
2. the dust guard of light picker camera lens as claimed in claim 1 is characterized in that described cleaning member is made up of with the brush form some fibre.
3. the dust guard of light picker camera lens as claimed in claim 1 is characterized in that described cleaning member is fibrous a bundle, forms with the fixed part and the flexible portion that the described fixed part of prolongation has formed the soft shape of writing brush of the sclerosis of certain unit.
4. the dust guard of light picker camera lens as claimed in claim 1 is characterized in that described cleaning member sticks on below the shutter part with alite paste.
5. the dust guard of light picker camera lens as claimed in claim 1 is characterized in that the width of described cleaning member, and the diameter than described light picker camera lens is big at least.
6. the dust guard of light picker camera lens as claimed in claim 1, the peristome that it is characterized in that being positioned at a side of light picker and the light picker camera lens is installed, be to be initial point, prolong with certain circumferential counter clockwise direction with position that the light picker camera lens is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021512523A CN1506954A (en) | 2002-12-11 | 2002-12-11 | Dust guard for light pick-up lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021512523A CN1506954A (en) | 2002-12-11 | 2002-12-11 | Dust guard for light pick-up lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1506954A true CN1506954A (en) | 2004-06-23 |
Family
ID=34234349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA021512523A Pending CN1506954A (en) | 2002-12-11 | 2002-12-11 | Dust guard for light pick-up lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1506954A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103226280A (en) * | 2012-01-31 | 2013-07-31 | 中国石油化工股份有限公司 | Video head antifouling protector |
| CN105938225A (en) * | 2015-03-02 | 2016-09-14 | 泰科电子公司 | Debris-removing cap for optical devices |
-
2002
- 2002-12-11 CN CNA021512523A patent/CN1506954A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103226280A (en) * | 2012-01-31 | 2013-07-31 | 中国石油化工股份有限公司 | Video head antifouling protector |
| CN105938225A (en) * | 2015-03-02 | 2016-09-14 | 泰科电子公司 | Debris-removing cap for optical devices |
| CN105938225B (en) * | 2015-03-02 | 2018-02-16 | 泰科电子公司 | Debris for Optical devices removes lid |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |