CN101271247A - Dust-proof cover device - Google Patents
Dust-proof cover device Download PDFInfo
- Publication number
- CN101271247A CN101271247A CNA2007100896673A CN200710089667A CN101271247A CN 101271247 A CN101271247 A CN 101271247A CN A2007100896673 A CNA2007100896673 A CN A2007100896673A CN 200710089667 A CN200710089667 A CN 200710089667A CN 101271247 A CN101271247 A CN 101271247A
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- Prior art keywords
- dust
- pushing
- cover device
- proof cover
- pedestal
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Abstract
The invention relates to a dustproof cover device which comprises a pedestal, a power unit, a transmission unit and a dustproof cover. The power unit comprises a motor and a lead screw under the bidirectional driving of the motor. The transmission unit comprises a slide base for mounting the lead screw, two resisting parts arranged at the slide base and a guide combination body which ensures that the slide base traverses. The dustproof cover comprises a linkage part contained and arranged between the two resisting parts and a cover plate part which is connected with the linkage part. The lead screw is driven to drive the slide base to move, and the two resisting parts can be used for resisting the linkage part, so as to open and close the dustproof cover, which ensures that the assembly components of the invention are few and can be assembled conveniently to reduce the assembly cubage and reduce the manufacturing cost.
Description
Technical field
The present invention relates to a kind of optical devices, be meant especially a kind ofly to be applicable to camera, video camera, or device for image such as projector is to protect the dust-proof cover device of its camera lens.
Background technology
Consult Fig. 1 and Fig. 2; U.S. Pat 5; 461; dust-proof cover device 1 in 441 is to be installed in a camera casing 10 to protect a camera lens 100 of this camera; have a dust cap 11 that covers movably in this camera lens 100, and the driver element 12 of this dust cap 11 of an interlock to move between an open site and an off-position with respect to this camera lens 100.
This driver element 12 have a motor 120, one coaxial with this motor 120 and be subjected to its power gear that drives 121 two-wayly, gear bar 127 that one first gear 122, one second gear 123, one the 3rd gear 124, one the 4th gear 125, one the 5th gear 126, that are meshed are in regular turn moved by 126 pushing and pressing of the 5th gear, and one be meshed with this gear bar 127 and be connected to the 6th gear 128 of this dust cap 11.
When this dust cap 11 is moved with respect to this camera lens 100, be to activate this motor 120 earlier to rotate to drive this power gear 121, order about this first gear, 122 runnings indirectly via a driving gear set (figure does not show) again, and in order interlock this second and third, four, five gears 123,124,125,126 to move this gear bar 127, and drive the 6th gear 128, and then the rotation direction that this dust cap 11 is complied with this power gear 121 moves to this open site or this off-position.
Though the dust-proof cover device 1 of this patent case can utilize be meshed with a series of spur gear mode transferring power of transmission of the motor 120 of this driver element 12, order about this dust cap 11 and move to this open site or this off-position with respect to this camera lens 100, reach the functions of use of controlling the folding of this camera lens 100 in electronic mode, but in fact still have following defective:
Between this motor 121 and this dust cap 11, cooperate transferring power more with the number of these gears 122,123,124,125,126,128 that increase torsion, except assembling than the difficulty, the volume of this dust-proof cover device 1 that assembling is finished also increases relatively, and because of the more manufacturing cost that increases of required part, make this dust-proof cover device 1 have assembling inconvenient, take up room and the shortcoming of cost of idleness.
Summary of the invention
Therefore, the technical matters that will solve of the present invention is, more at dust-proof cover device assembly in the prior art, as to assemble inconvenience and take up room defective, but the less and ease of assembly of a kind of use part is provided, and significantly reduces to assemble volume and the dust-proof cover device that can reduce manufacturing cost.
The technical scheme that the present invention is adopted for its technical matters of solution is, a kind of dust-proof cover device is provided, and comprises: pedestal, be installed in the driving mechanism of this pedestal, and be subjected to the dust cap of this driving mechanism interlock.This driving mechanism comprises power unit, and unit is lifted in the transmission that driven by this power unit.This gear unit comprises the slide that is subjected to this power unit transmission, is arranged at first pushing and pressing part and second pushing and pressing part of this slide at intervals, and is connected between this slide and this pedestal and is the guiding assembly that non-rotatably moves around along a first direction for this slide.This dust cap is to be hubbed on this pedestal, comprises the linkage part that is placed between this first, second pushing and pressing part, and the cover plate portion that is connected with this linkage part.
By above-mentioned composition, as long as cooperate this guiding assembly just can make this slide along the displacement back and forth of this first direction with this power unit, and move the linkage part of this dust cap with this first, second pushing and pressing part pushing and pressing, and then the cover plate portion that orders about this dust cap moves between an open site and an off-position, make the present invention can reach dust cap keying effect with less assembled components, be convenient to assemble, effectively dwindle the assembling volume and have, and can reduce the advantage and the characteristic of cost of manufacture.
Description of drawings
Fig. 1 is a three-dimensional combination figure, and U.S. Pat 5,461 is described, the dust-proof cover device in 441;
Fig. 2 is a side view, and the dust cap that the dust-proof cover device of this patent is described is subjected to the situation of a driver element interlock;
Fig. 3 is a three-dimensional exploded view, and dust-proof cover device one preferred embodiment of the present invention is described;
Fig. 4 is a three-dimensional combination figure, and the state that this preferred embodiment assembling is finished is described;
Fig. 5 is a synoptic diagram, illustrates that the dust cap of this preferred embodiment is positioned at the situation of off-position;
Fig. 6 is the view of a similar Fig. 5, illustrates that this dust cap is positioned at the situation of open site; And
Fig. 7 one is similar to the view of Fig. 5, illustrates that this dust cap is subjected to external force to do the time spent, and the overload protection assembly colludes to spacing this dust cap and the situation that deforms.
Embodiment
Aforementioned and other technology contents, characteristics and the effect of dust-proof cover device of the present invention in the following detailed description that cooperates with reference to graphic preferred embodiment, can clearly be understood.
Consult Fig. 3 and Fig. 4, be respectively three-dimensional exploded view of the present invention and three-dimensional combination figure, this preferred embodiment of dust-proof cover device 2 of the present invention comprises pedestal 3, is installed in the driving mechanism 4 of this pedestal 3, is subjected to the dust cap 6 of these driving mechanism 4 interlocks, and is accordingly and divides the location sensitive unit 7 that is located at this pedestal 3 and this dust cap 6.
This pedestal 3 comprises basal wall 31, and this basal wall 31 sidewall 32 of extending and match and define spatial accommodation 33 with this basal wall 31 along first direction X certainly.
This driving mechanism 4 comprises power unit 40, and the gear unit 50 that driven by this power unit 40.
This power unit 40 is installed on the basal wall 31 of this pedestal 3, comprises the motor 41 that is positioned at these basal wall 31 outsides, and extends and be subjected to the lead screw 42 of these motor 41 bi-directional drive along this first direction X, and this lead screw 42 is to be positioned at this spatial accommodation 33.
This gear unit 50 comprise be subjected to this lead screw 42 be spirally connected transmission slide 51, be arranged at this slide 51 first pushing and pressing part 52, be connected in the overload protection assembly (overloadingprotecting member) 53 of this slide 51, and be connected between this slide 51 and this pedestal 3 and be the guiding assembly 54 that non-rotatably moves around along this lead screw 42 for this slide 51.
This slide 51 has the body 511 that spiral shell is located at this lead screw 42, and along first reference column 512, second reference column 513 that are convexly set in this body 511 perpendicular to the second direction Y of this first direction X at intervals, this first pushing and pressing part 52 is to extend from this body 511 along a third direction Z perpendicular to this first, second direction X, Y.
Preferably; this overload protection assembly 53 can be subjected to linkage part 61 interlocks of this dust cap 6 and be out of shape; in this preferred embodiment; this overload protection assembly 53 is a torsion spring; has a coiling portion 531 that is sheathed on this first reference column 512; the first end pin 532 and the second end pin 533 that extends from this coiling portion 531 respectively; this first end pin 532 is that blocking is positioned this second reference column 513; this second end pin 533 has the root 534 that is connected in this coiling portion 531 from inside to outside respectively; be connected in second pushing and pressing part 535 of this root 534, and the curved end 536 that is connected in this second pushing and pressing part 535.Wherein, second pushing and pressing part 535 of this overload protection assembly 53 is that first pushing and pressing part 52 with this gear unit 50 is configuration relation separately.
This guiding assembly 54 comprises guide shaft 541, and extend and cover is through at the anti-rotation projection 542 of this guide shaft 541 from this first pushing and pressing part 52 one, this guide shaft 541 is to be parallel in the spatial accommodation 33 that this lead screw 42 is arranged at this pedestal 3, and the one end is fixedly arranged on this basal wall 31.
This dust cap 6 is to be hubbed on the sidewall 32 of this pedestal 3 by articulated part 8, comprise this linkage part 61 that is placed between this first, second pushing and pressing part 52,535, and the cover plate portion 62 that is connected and can between open site and off-position, moves with the displacement of this linkage part 61 with this linkage part 61.
In this preferred embodiment, the linkage part 61 of this dust cap 6 is the cylinders that extend along this second direction Y, the curved end 536 that can be subjected to this first, second pushing and pressing part 52,535 pushing and pressing respectively and oppositely move, or be subjected to this overload protection assembly 53 collude to and limited.
This location sensitive unit 7 comprises sensor 72 and shading board 71, this shading board 71 be from the cover plate portion 62 of this dust cap 6 outwardly one extend, 72 of this sensors are to be fixedly arranged on the sidewall 32 of this pedestal 3 and to should shadow shield portion 71.
Consult Fig. 3, Fig. 5 and Fig. 6, wherein, this Fig. 5, Fig. 6 is respectively that this dust cap 6 is positioned at and cuts out, the synoptic diagram of open site, when will be when this off-position moves to this open site with this dust cap 6, the motor 41 that is this power unit 40 of activation earlier is clockwise to drive this lead screw 42, and cooperate this guide shaft 541 and this anti-rotation projection 542, swivel nut is moved along this first direction X up in the slide 51 of this lead screw 42, push against the linkage part 61 of these dust caps 6 simultaneously with this first pushing and pressing part 52, this linkage part 61 is also correspondingly moved along this first direction X up, and this dust cap 6 of interlock is that swing towards direction A at the center with this articulated part 8, and then this cover plate portion 62 moved to this open site from this off-position, at this moment, the shading board 71 that is arranged at this location sensitive unit 7 of this dust cap 6 also can be along with the pivot of this dust cap 6 by interlock, change in location by this shading board 71 makes this sensor 72 be able to the position of this cover plate portion 62 of perception, and send the running that signal stops this motor 41 in real time according to this position, this dust cap 6 is parked in this open site.
In the time will closing this dust cap 6; also be that the motor 41 that activates this power unit 40 earlier reverses to drive this lead screw 42; and cooperate this guide shaft 541 and this anti-rotation projection 542; swivel nut is moved down along this first direction X in the slide 51 of this lead screw 42; this overload protection assembly 53 of interlock is with the linkage part 61 of these second pushing and pressing part, 535 these dust caps 6 of pushing and pressing simultaneously; this linkage part 61 is also correspondingly moved along this first direction X down; and this dust cap 6 of interlock is that the center is towards the direction B swing reverse with direction A with this articulated part 8; and then this cover plate portion 62 moved to this off-position from this open site; at this moment; the shading board 71 that is arranged at this location sensitive unit 7 of this dust cap 6 also can be along with the pivot of this dust cap 6 by interlock; change in location by this shading board 71 makes this sensor 72 be able to the position of this cover plate portion 62 of perception; and send the running that signal stops this motor 41 in real time according to this position, this dust cap 6 is parked in this off-position.
Consult Fig. 5; normal; when the slide 51 of this dust-proof cover device 2 moves down along this first direction X, and this dust cap 6 being moved to when being positioned at this off-position, is the linkage part 61 that is resisted against this dust cap 6 with second pushing and pressing part 535 of this overload protection assembly 53.But; as shown in Figure 7; be subjected to the synoptic diagram of an external force effect for this dust cap 6; when being subjected to the external force mistake, the cover plate portion 62 of this dust cap 6 dials and from the position of originally closing; pushed this open site; or this dust cap 6 moves in the process of this off-position from this open site; in the time of can't moving because of stopped by foreign matter; this slide 51 is still and is positioned at this off-position or continues to move to this off-position; at this moment; the second end pin 533 that external force that the cover plate portion 62 of this dust cap 6 bears can this linkage part 61 of interlock continues upwards to push against this overload protection assembly 53 to be subjected to this curved end 536 collude to and limited; the coiling portion 531 of this overload protection assembly 53 is deformed; after this external force or this foreign matter are removed; the elastic-restoring force that the coiling portion 531 of this overload protection assembly 53 is accumulated can force this curved end 536 linkage part 61 of this dust cap 6 of pushing and pressing downwards; this linkage part 61 is moved down along this first direction X again get back to this off-position, and this off-position is also put back by this cover plate portion 62 of interlock.
Conclude above-mentionedly, dust-proof cover device 2 of the present invention can obtain following effect and advantage, so can reach purpose of the present invention really:
As long as cooperate this guide shaft 541 just can order about this slide 51 displacements with this anti-rotation projection 542 with this power unit 40, and with sense of displacement respectively interlock this first, second pushing and pressing part 52, the linkage part 61 of 535 these dust caps 6 of pushing and pressing, can make this dust cap 6 move to this open site and this off-position respectively, still can reach the function of this dust cap of switch though be to use simple screw mechanism, make the design of the present invention by these lead screw 42 driving mechanisms, effectively reduce assembled components quantity, and have be convenient to the assembling, dwindle the volume of this dust-proof cover device 2, and the advantage that can reduce cost of manufacture.
What deserves to be mentioned is that when this dust-proof cover device 2 was applied to the device for image of betal can, this pedestal 3 was members independently.When this dust-proof cover device 2 is in the time of will being installed in the device for image of plastic housing, then can when making this plastic housing, directly this pedestal 3 be formed in this plastic housing in one piece.
The above only is a preferred embodiment of the present invention, can not limit scope of the invention process with this, and promptly all simple equivalent of being done according to claim of the present invention and invention description content change and modify, and still belongs in the scope that patent of the present invention contains.
Claims (11)
1. a dust-proof cover device is characterized in that, comprises:
Pedestal;
Driving mechanism, be installed in described pedestal, comprise power unit, and gear unit, described gear unit comprises the slide that is subjected to described power unit transmission, is arranged at first pushing and pressing part and second pushing and pressing part of described slide at intervals, and is connected between described slide and the described pedestal, makes described slide be the guiding assembly that non-rotatably moves around along first direction; And
Dust cap is hubbed on the described pedestal, comprises the linkage part that is placed between described first, second pushing and pressing part, and the cover plate portion that is connected with described linkage part.
2. according to the described dust-proof cover device of claim 1, it is characterized in that, also comprise the location sensitive unit, described location sensitive unit comprises the shading board that the cover plate portion from described dust cap extends outwardly, and the sensor that is arranged at described pedestal and corresponding described shading board.
3. according to the described dust-proof cover device of claim 1; it is characterized in that; described gear unit also has the overload protection assembly that is connected in described slide, and described overload protection assembly has described second pushing and pressing part, and can be subjected to the linkage part interlock of described dust cap and be out of shape.
4. according to the described dust-proof cover device of claim 1, it is characterized in that, described power unit comprises the motor that is arranged at described pedestal, and extends and be subjected to described motor two-direction driven lead screw along described first direction, and the slide of described gear unit is spirally connected and transmission by described lead screw.
5. according to the described dust-proof cover device of claim 4, it is characterized in that, described slide has the body that spiral shell is located at described lead screw, and along first reference column, second reference column that are convexly set in described body perpendicular to the second direction of described first direction at intervals, extend from described body along the third direction perpendicular to described first, second direction described first pushing and pressing part.
6. according to the described dust-proof cover device of claim 5; it is characterized in that; described overload protection assembly is a torsion spring; the first end pin and the second end pin that have the coiling portion that is sheathed on described first reference column, extend respectively from described coiling portion; the described first end pin is that blocking is positioned described second reference column; the described second end pin has the root that is connected in described coiling portion from inside to outside, and described second pushing and pressing part that is connected in described root.
7. according to the described dust-proof cover device of claim 6; it is characterized in that; the second end pin of described overload protection assembly also has the curved end that is connected in described second pushing and pressing part; the linkage part of described dust cap is the cylinder that extends along described second direction; be used to be subjected to the pushing and pressing of described first, second pushing and pressing part to move, or be subjected to described curved end collude to and limited.
8. according to the described dust-proof cover device of claim 7, it is characterized in that described pedestal comprises basal wall, and extend and match along described first direction from described basal wall and define the sidewall of spatial accommodation with described basal wall.
9. according to the described dust-proof cover device of claim 8, it is characterized in that described power unit is installed on the basal wall of described pedestal, described lead screw and described motor are positioned at the outside of described basal wall, and described lead screw is positioned at described spatial accommodation.
10. according to the described dust-proof cover device of claim 9, it is characterized in that, the guiding assembly of described gear unit comprises guide shaft, and extend from described first pushing and pressing part and cover is through at the anti-rotation projection of described guide shaft, described guide shaft is parallel in the spatial accommodation that described lead screw is arranged at described pedestal, and the one end is fixedly arranged on described basal wall.
11. according to the described dust-proof cover device of claim 10, it is characterized in that, also comprise the location sensitive unit, described location sensitive unit comprises sensor and shading board, described shading board is that the cover plate portion from described dust cap extends outwardly, and described sensor then is sidewall and the corresponding described shading board that is fixedly arranged on described pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100896673A CN101271247B (en) | 2007-03-23 | 2007-03-23 | Dust-proof cover device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100896673A CN101271247B (en) | 2007-03-23 | 2007-03-23 | Dust-proof cover device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101271247A true CN101271247A (en) | 2008-09-24 |
| CN101271247B CN101271247B (en) | 2011-05-04 |
Family
ID=40005293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100896673A Expired - Fee Related CN101271247B (en) | 2007-03-23 | 2007-03-23 | Dust-proof cover device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101271247B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234545A (en) * | 2013-03-29 | 2013-08-07 | 北京控制工程研究所 | Dust-proof mechanism of spatial optical sensor |
| CN103246127A (en) * | 2013-04-15 | 2013-08-14 | 华为技术有限公司 | Shielding cover sliding structure and video equipment with same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2904473C2 (en) * | 1979-02-07 | 1982-08-26 | Agfa-Gevaert Ag, 5090 Leverkusen | Photographic camera with lens and viewfinder covers |
| JPH0869030A (en) * | 1994-08-31 | 1996-03-12 | Nikon Corp | Lens cover driving device |
| JPH1068983A (en) * | 1996-08-29 | 1998-03-10 | Canon Inc | Camera |
| TW448687B (en) * | 1998-03-09 | 2001-08-01 | Canon Kk | Image sensing apparatus having a protection cover |
-
2007
- 2007-03-23 CN CN2007100896673A patent/CN101271247B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234545A (en) * | 2013-03-29 | 2013-08-07 | 北京控制工程研究所 | Dust-proof mechanism of spatial optical sensor |
| CN103234545B (en) * | 2013-03-29 | 2015-09-23 | 北京控制工程研究所 | A kind of dust-proof mechanism of space optics sensor |
| CN103246127A (en) * | 2013-04-15 | 2013-08-14 | 华为技术有限公司 | Shielding cover sliding structure and video equipment with same |
| CN103246127B (en) * | 2013-04-15 | 2016-08-10 | 华为技术有限公司 | Shielding cover slide construction and there is the video device of this shielding cover slide construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101271247B (en) | 2011-05-04 |
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Granted publication date: 20110504 Termination date: 20160323 |
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| CF01 | Termination of patent right due to non-payment of annual fee |