CN101464612A - Lens cap - Google Patents
Lens cap Download PDFInfo
- Publication number
- CN101464612A CN101464612A CNA2007102033086A CN200710203308A CN101464612A CN 101464612 A CN101464612 A CN 101464612A CN A2007102033086 A CNA2007102033086 A CN A2007102033086A CN 200710203308 A CN200710203308 A CN 200710203308A CN 101464612 A CN101464612 A CN 101464612A
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- rotating disk
- body front
- front shell
- lens cap
- supporting walls
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- Blocking Light For Cameras (AREA)
Abstract
The invention provides a lens cap which comprises a body front shell, a group of shields, a turntable, a toggle switch and a fixed flap. The fixed flap rotationally fixes the turntable between the body front shell and the fixed flap; a first lighting hole, a second lighting hole and a third lighting hole which are coaxial are formed on the body front shell, the turntable and the fixed flap respectively; the group of shields are rotationally arranged between the body front shell and the turntable and positioned in a light path formed by the first, the second and the third lighting holes; and the toggle switch is arranged on the body front shell and used for plucking the turntable, so as to drive the shields and achieve the close and the open of the light path formed by the first, the second and the third lighting holes. The lens cap with the structure has the advantages of simple structure and small volume.
Description
Technical field
The invention relates to a kind of lens cap, relate in particular to a kind of lens cap that is applied on the camera.
Background technology
The optical mirror slip of camera is the most important optical element of camera; described in use optical mirror slip need be exposed to external environment and carry out daylighting; and not the time spent it need be protected and prevent contaminated or scratch, therefore generally all can adopt a lens cap that the camera eyeglass is protected.Yet common lens cap all is to adopt a diameter to be arranged on the casing or tiny lens before the eyeglass greater than the baffle plate of eyeglass, it is bulky, and complex structure, produce and assemble all comparatively complexity, so cost is higher and do not meet current camera towards compact developing direction development.
Summary of the invention
In view of this, be necessary to provide a kind of small size and lens cap simple in structure.
A kind of lens cap, it comprises a body front shell, one group of bluff piece, a rotating disk, a toggle switch and a stator.Described stator is installed in described rotating disk between described body front shell and the described stator rotationally.Be respectively arranged with first, second and third coaxial lightlng hole on described body front shell, rotating disk and the stator.Described one group of bluff piece is rotating to be arranged between described body front shell and the rotating disk and to be arranged in the optical channel that is formed by described first, second and third lightlng hole.Described toggle switch is arranged on the described body front shell, drives sealing and the unlatching of described bluff piece rotation realization to the optical channel of described first, second and third lightlng hole formation in order to stir rotating disk.
Compare prior art; described bluff piece is arranged in the optical channel of being made up of first, second and third lightlng hole of described body front shell, rotating disk and shaft collar rotationally, thereby and the rotation by described rotating disk drives that described optical channel is opened in folding that the bluff piece rotation realizes bluff piece or the sealing protection is arranged on camera lens in the camera body.This lens cap simple in structure, easy to operate, and adopt the unitized construction of one group of bluff piece to effectively reduce the volume of lens cap.
Description of drawings
Fig. 1 is the decomposing schematic representation of a direction of lens cap of the present invention;
Fig. 2 is the decomposing schematic representation of another direction of lens cap of the present invention;
Fig. 3 to Fig. 5 is the number of assembling steps synoptic diagram of lens cap of the present invention;
Fig. 6 and Fig. 7 are lens cap user mode synoptic diagram of the present invention.
Embodiment
See also Fig. 1 and Fig. 2, lens cap 100 of the present invention comprises a body front shell 110, one group of bluff piece 120, rotating disk 130, a toggle switch 140 and a fixed head 150.Described bluff piece 120 rotatable being arranged on the described body front shell 110, described rotating disk 130 is stacked on the described bluff piece 120 and is rotationally connected with described each bluff piece 120, and rotatably be fixed on the described body front shell 110 by described fixed head 150, described toggle switch 140 is arranged on the described body front shell 110, and is fastened on a side of described rotating disk 130.
Described body front shell 110 is the side body shell of camera over against subject.This body front shell 110 has an inboard 110a and an outside 110b.On the 110b of the outside of described body front shell 110, be formed with one by the described outside 110b bulge loop 111a that vertically extends of 110a direction to the inside, be formed with an end plate 111b who is parallel to described body front shell 110 in the end of described bulge loop 111a, this end plate 111b has an inside surface 111c.On the end plate 111b of described body front shell 110, be formed with first lightlng hole 113 that runs through this end plate 111b, these first lightlng hole, 113 usefulness so that extraneous light pass through, thereby imaging on the imaging device of camera inside such as film or CCD sensor.Be formed with two symmetrical cylinders 112 on the baffle plate 111b inside surface 111c around described first lightlng hole 113, this cylinder 112 is as the pivot of the described bluff piece 120 that is rotationally connected.Around described bulge loop 111a on the inboard 110a of described body front shell 110, be formed with a plurality of height different and with the concentric arc of described first lightlng hole 113 in supporting walls 114, should comprise a plurality of first supporting section 114a and a plurality of second supporting section 114b that is connected with the first supporting section 114a by interior supporting walls 114, the described second supporting section 114b is higher than the described first supporting section 114a, wherein the first supporting section 114a is in order to support described one group of bluff piece 120, and the described second supporting section 114b is in order to support described rotating disk 130.Be formed with an outer supporting walls 116 around supporting walls 114 in described, described outer supporting walls 116 is a concentric ring with interior supporting walls 114, keep at a certain distance away between described outer supporting walls 116 and the interior supporting walls 114, and the height of described outer supporting walls 116 is greater than the height of supporting walls 114 in described.In described supporting walls 114 and outside be formed with a plurality of fixed legs 118 uniformly at interval between the supporting walls 116, offer bolt hole 115 on the described fixed leg 118 in order to by the fixing described fixed head 150 of bolt 115a.Wherein the side epirelief at described at least two fixed legs 118 sets out two reference column 118a, thereby prevents fixed head 150 installation dislocation in order to pass described fixed head 150 when described fixed head 150 is installed.The outside of supporting walls 116 is by extending a web joint 116a perpendicular to described body front shell 110, in order to connect described body front shell 110 to described camera (figure does not show) fuselage on the described body front shell 110 outside described.Described web joint 116a is provided with a perforation 117 that runs through this web joint 116a, thereby these perforation 117 usefulness are passed for described toggle switch 140 described toggle switch 140 is arranged on the described body front shell 110.Be appreciated that between the interior supporting walls 114 of this body front shell 110 and outer supporting walls 116, be provided with a plurality of connections described in supporting walls 114 reach outside the stiffening plate 112a of supporting walls 116, in order to strengthen the support strength of described inside and outside supporting walls 114,116.
Described one group of bluff piece 120 comprises two bluff pieces 120 in the present embodiment, described each bluff piece 120 structural symmetry and being separated from each other.Each bluff piece 120 comprises a semicircle baffle plate 122.Described each baffle plate 122 is along extending a rocking arm 124 on the 122a of its diameter limit, described rocking arm 124 is squarely roughly, the side of its contiguous described diameter limit 122a slightly protrudes described diameter limit 122a certain distance, and this rocking arm 124 adopts the hypotenuse transition to be connected with the outer circumferential edge 122b of described baffle plate 122.The outer ledge 124a of the diameter limit 122a of described rocking arm 124 vertical described baffle plates 122 is an arc, on this outer ledge 124a, also offer a breach 124b with described diameter limit 122a conllinear, the bottom of this breach 124b is semicircle, in order to described rocking arm 124 is fastened on respectively on the described rotating disk 130 rotationally.On an end of described rocking arm 124 contiguous described baffle plates 122, offer a circular hole 124c with described diameter limit 122a conllinear.This circular hole 124c is in order to be set in this bluff piece 120 on the cylinder 112 of described body front shell 110.Described two bluff pieces 120 cooperatively interact in the relative mode of its diameter limit 122a, and on the 122a of the diameter limit of each bluff piece 120, be formed with the otch 122c with ramped bottom surface that can cooperatively interact, on the 122a of the diameter limit of relative bluff piece 120, be formed with the projection 122d that can be fastened among the described otch 122c.Described otch 122c and projection 122d increase the cooperation compactedness of two bluff pieces 120 when cooperating in order to align mutually at two bluff pieces 120.
Described rotating disk 130 is a circular flat board, and this rotating disk 130 comprises a upper surface 130a and one and this upper surface 130a opposing lower surface 130b.Be formed with second lightlng hole 133 that runs through upper and lower surperficial 130a, the 130b of this rotating disk 130 at this rotating disk 130, this second lightlng hole 133 is in order to align mutually with first lightlng hole 113 of described body front shell 110 when being installed in this rotating disk 130 on the described body front shell 110.Along vertically extending a convex annular on the upper surface 130a of the rotating disk 130 at described second lightlng hole 133 edges along 132 in order to matching, in order to keep the right alignment of this rotating disk 130 when these rotating disk 130 rotations with described shaft collar 150.On the outward flange of rotating disk 130, be formed with a plurality of grooves 135 that run through upper and lower surperficial 130a, the 130b of this rotating disk 130 at interval uniformly, the quantity of the fixed leg 118 on the quantity of this groove 135 and the described body front shell 110 is identical, and described fixed leg 118 is housed in wherein.On the outer peripheral upper surface 130a of the rotating disk 130 that is close to described groove 135, vertically extend a clamp 134, be formed with a hole clipping 137 that runs through described clamp 134 on described clamp 134, this hole clipping 137 is in order to the ccontaining toggle switch 140 of stirring these rotating disk 130 rotations.Be stationarity and the accuracy that guarantees that described rotating disk 130 rotates, on the outward flange of the rotating disk between the groove 135 130, be convexly equipped with a plurality of slide posts 136, this slide post 136 guarantees the stability that described rotating disk 130 rotates in order to support on the outer supporting walls 116 in described body front shell 130 when rotating disk 130 rotates.In order to adapt to described rotating disk 130 in rotation process, described slide post 136 is stuck and can't rotates even damage during through the outer supporting walls 116 of diameter big rise and falls, described rotating disk 130 forms a through hole 139 at the marginal position place of described each slide post 136 of correspondence, thereby on described rotating disk 130, be formed with an elastic arm 136a who connects described slide post 136, this elastic arm 136a shrinks in order to the central elastic to described rotating disk 130 when slide post 136 is through the surface of the fluctuating of supporting walls 116, thereby guarantees described rotating disk 130 normal rotation.The rotating shaft 138 of the breach 124b of the rocking arm 124 of corresponding described one group of bluff piece 120 is rotatably connected to described bluff piece 120 and rotating disk 130 together in order to be fastened among the breach 124b on described each bluff piece 120 on the lower surface 130b of described rotating disk 130.
Described toggle switch 140 promotes described rotating disk 130 and rotates in order to match with described rotating disk 130 under the driving of external force.Described toggle switch 140 comprises that dialling plate 142, one for one forms column 144 on this group plate 142 and the buckle 146 that is formed on the end of this column 144.The described group of plate 142 be one with the corresponding arc of shape of the web joint 116a of described body front shell 110, described column 144 is formed on the inner arc side of described group of plate 142, and it is vertical with described group of plate 142, this column 144 can be that a pair of cylinder that is parallel to each other forms, and described buckle 146 corresponding described group of plates 142 are formed on described column 144 other ends.This toggle switch 140 snaps together with described rotating disk 130 in order to the perforation 117 of passing on the body front shell 110, the two ends of the buckle 146 of wherein said toggle switch 140 surpass described column 144 and wedgewise, thereby the hole clipping 137 of passing the clamp 134 of described rotating disk 130 is fastened on the clamp 134.
Described fixed head 150 is the flat board of a circle, and it diameter that comprises the 3rd lightlng hole 153, the three lightlng holes 153 that run through this fixed head 150 is greater than the diameter of the convex annular on the described rotating disk 130 along 132, and can be set on the described convex edge 132.Be formed with a plurality of fixed orifices 155 on described fixed head 150, the quantity of described fixed orifice 155 is corresponding with the fixed leg 118 on the described body front shell 110, and can this fixed head 150 be fixed on the described body front shell 110 by bolt.Be formed with on the described fixed head 150 with described body front shell 110 on reference column 118a corresponding positioning hole 157, can pass for described reference column 118a, thereby play the effect of location.Also be provided with the opening 159 of the clamp 134 of a described rotating disk 130 of correspondence on this fixed head 150, clamp 134 in order to ccontaining described rotating disk 130, simultaneously the clamp 134 of described rotating disk 130 can move a certain distance in the opening 159 of described fixed head 150, thereby guarantees that described rotating disk 130 can do the rotation of certain angle.
See also Fig. 1 to 5, during assembling, earlier described one group of bluff piece 120 is installed in the inboard 110a of described body front shell 110, wherein said two bluff pieces 120 are located on first lightlng hole 113 of end plate 111b of described body front shell 110 rotationally in the relative mode of diameter limit 122a respectively, with 113 sealings of described first lightlng hole, circular hole 124c on the rocking arm 124 of each bluff piece 120 is set on the cylinder 112 of end plate 111b of described body front shell 110, the rocking arm 124 of described each bluff piece 120 is supported on the first supporting walls 114a of described interior supporting walls 114, and the outer ledge 124a of described rocking arm 124 supports on the outer supporting walls 116 of described body front shell 110.Thereby the sealing or open described first lightlng hole 113 of rotatablely moving that described bluff piece 120 can be done relatively or deviate from mutually in the direction of the inboard 110a that is parallel to described body front shell 110 along the sheathed cylinder 112 of circular hole 124c separately.Then described rotating disk 130 is arranged on the second supporting section 114b of the interior supporting walls 114 on the described body front shell 110, two rotating shafts 138 on the lower surface 130b of described rotating disk 130 are fastened on respectively among the breach 124b on the rocking arm 124 of described bluff piece 120, and a plurality of grooves 135 of described rotating disk 130 are set in respectively on the fixed leg 118 corresponding on the described body front shell 110.A plurality of slide posts 136 on the outward flange of described rotating disk 130 support respectively on the outer supporting walls 116 on the described body front shell 110.Again with the column 144 of described toggle switch 140 and be formed on the perforation 117 that the buckle 146 of the end of this column 144 passes the web joint 116a of described body front shell 110, be fastened on the described clamp 134 after simultaneously described buckle 146 being passed the hole clipping 137 of clamp 134 of described rotating disk 130.At last described fixed head 150 is fixed on the fixed leg 118 of described body front shell 110, and the described reference column 118a that is formed on fixed leg 118 1 sides is set in the pilot hole 157 corresponding on the described fixed head 150, opening 159 on the described fixed head 150 is set on the clamp 134 of described rotating disk 130, the 3rd lightlng hole 153 on the described fixed head 150 is set on second lightlng hole 133 convex edge 132 on every side of described rotating disk 130, fixed orifice 155 on the described fixed head 150 is corresponding with the bolt hole 115 on the described fixed leg 118, and by bolt 115a described fixed head 150 is fixed on the described body front shell 110.
See also Fig. 6 and Fig. 7, in use, described toggle switch 140 is stirred to counter clockwise direction, described toggle switch 140 drives described rotating disk 130 and does anticlockwise rotation, at this moment, two rotating shafts 138 on the rotating disk 130 drive described each bluff piece 120 respectively and rotate to the direction that deviates from mutually along two cylinders 112 on the described body front shell 110, thereby described bluff piece 120 is separated from each other, first lightlng hole 113 on the described body front shell 110 of its covering is opened, when described bluff piece 120 rotates to when described first lightlng hole 113 is opened fully, on the sidewall of the perforation 117 of the web joint 116a that described toggle switch 140 supports in described body front shell 110, prevent that undue rotation from causing toggle switch 140 or rotating disk 130 to damage.Thereby drive described bluff piece 120 and relatively rotate 113 sealings of described first lightlng hole when not needing then described toggle switch 140 to be stirred in the opposite direction when first lightlng hole 113 on the described body front shell 110 opened.
In the present embodiment; described bluff piece 120 is arranged in the optical channel of being made up of the 3rd lightlng hole 153 of first, second lightlng hole 113,133 of described body front shell 110, rotating disk 130 and shaft collar 150 opening or closing, thereby thereby and the rotation by described rotating disk 130 drives that described optical channel is opened in folding that bluff piece 120 rotations realize bluff pieces 120 or the sealing protection is arranged on camera lens in the camera body.This lens cap 100 simple in structure, easy to operate adopts the unitized construction of one group of bluff piece 120 can effectively reduce the volume of lens cap 100 in addition.
In addition, those skilled in the art also can do other variation in spirit of the present invention, as long as it does not depart from technique effect of the present invention, all should be included within the present invention's scope required for protection.
Claims (16)
- [claim 1] a kind of lens cap, it comprises a body front shell, one group of bluff piece, a rotating disk, a toggle switch and a stator, described stator is installed between described body front shell and the described stator described rotating disk is rotating, described body front shell, be respectively arranged with coaxial first on rotating disk and the stator, second and third lightlng hole, described one group of bluff piece is rotating to be arranged between described body front shell and the rotating disk and to be positioned at by described first, in the optical channel that second and third lightlng hole forms, described toggle switch is arranged on the described body front shell, drives described bluff piece rotation realization to described first in order to stir rotating disk, the sealing and the unlatching of the optical channel that second and third lightlng hole forms.
- [claim 2] lens cap as claimed in claim 1, it is characterized in that: described body front shell has an inboard and an outside, on the outside of described body front shell, be formed with a bulge loop that vertically extends by side direction in the described lateral, be formed with an end plate that is parallel to described body front shell in the end of described bulge loop, this end plate has an inside surface, described first lightlng hole is formed on this end plate and runs through described end plate, be formed with two symmetrical cylinders on the inside surface of the end plate around described first lightlng hole, each bluff piece comprises that a semicircle baffle plate and one are by extending a rocking arm on this baffle plate, offer a circular hole on described each rocking arm, each bluff piece is set on the cylinder of described body front shell rotationally by described circular hole, on the outer ledge of described rocking arm, offer a breach, be fastened on rotationally in the breach of described rocking arm should breach being respectively equipped with two rotating shafts on the described rotating disk.
- [claim 3] lens cap as claimed in claim 2, it is characterized in that: the inboard of described body front shell vertically extends a web joint, described web joint is provided with a perforation that runs through this web joint, and described toggle switch passes this perforation and described rotating disk snaps together.
- [claim 4] lens cap as claimed in claim 3, it is characterized in that: described toggle switch comprises that one is dialled plate, a column and a buckle that is formed on the end of this column that forms on this group plate, described rotating disk comprises a upper surface and one and this upper surface opposing lower surface, edge at the upper surface of described rotating disk vertically extends a clamp, be formed with a hole clipping that runs through described clamp on described clamp, the column of described toggle switch passes this hole clipping and the buckle by this toggle switch is fastened on the described clamp.
- [claim 5] lens cap as claimed in claim 2, it is characterized in that: on the inboard of described body front shell around described bulge loop be formed with one with the concentric arc of described first lightlng hole in supporting walls, described bluff piece and carousel supports are in this on supporting walls.
- [claim 6] lens cap as claimed in claim 5, it is characterized in that: supporting walls comprises a plurality of first supporting sections and second supporting section in described, described second supporting section is higher than described first supporting section, described one group of bluff piece is supported on described first supporting section, and described carousel supports is on described second supporting section.
- [claim 7] lens cap as claimed in claim 5, it is characterized in that: be formed with supporting walls outside around supporting walls in described in described body front shell inboard, described outer supporting walls and interior supporting walls are concentric ring, keep at a certain distance away between described outer supporting walls and the interior supporting walls, in described supporting walls and outside be formed with a plurality of fixed legs evenly and at intervals between the supporting walls, offer bolt hole on the described fixed leg, described fixed head is by on the fixed leg that is bolted to described body front shell.
- [claim 8] lens cap as claimed in claim 6 is characterized in that: be provided with a plurality of stiffening plates between the supporting walls outside supporting walls reaches in described.
- [claim 9] lens cap as claimed in claim 6, it is characterized in that: a side epirelief of at least two fixed legs in described a plurality of fixed legs sets out two reference columns, to being provided with pilot hole by reference column, this pilot hole is set on the described reference column on described fixed head.
- [claim 10] lens cap as claimed in claim 6 is characterized in that: be formed with the corresponding groove of fixed leg of a plurality of and described body front shell on the outer ledge of described rotating disk, described groove is within it ccontaining with described fixed leg.
- [claim 11] lens cap as claimed in claim 6, it is characterized in that: the height of described outer supporting walls is greater than the height of supporting walls in described, be convexly equipped with a plurality of slide posts on the outward flange of the rotating disk in described being supported on second supporting section of supporting walls, described slide post supports outside described on the supporting walls.
- [claim 12] lens cap as claimed in claim 11 is characterized in that: described rotating disk forms a through hole at the marginal position place of described each slide post of correspondence, is formed with an elastic arm that connects described slide post on the rotating disk in this through hole outside.
- [claim 13] lens cap as claimed in claim 2, it is characterized in that: described rotating disk comprises a upper surface and one and the corresponding lower surface of this upper surface, described rotating shaft is formed on the lower surface of this rotating disk, vertically extend a convex annular edge on the upper surface at the second lightlng hole edge of described rotating disk, on the convex edge of the sheathed described rotating disk of the 3rd lightlng hole of described fixed head.
- [claim 14] lens cap as claimed in claim 2, it is characterized in that: the baffle plate of described bluff piece has a diameter limit and an outer circumferential edge, the rocking arm of described bluff piece is squarely roughly, one side on the diameter limit of the contiguous baffle plate of described rocking arm slightly protrudes described diameter limit certain distance, and this rocking arm adopts the hypotenuse transition to be connected with the outer circumferential edge of described baffle plate.
- [claim 15] lens cap as claimed in claim 14, it is characterized in that: the outer ledge on the diameter limit of the vertical described baffle plate of described rocking arm is an arc, described breach be formed on described rocking arm outer ledge and with the diameter limit conllinear of described baffle plate, the bottom of this breach is semicircle, described circular hole be formed on the end of the contiguous described baffle plate of described rocking arm and with the diameter limit conllinear of described baffle plate.
- [claim 16] lens cap as claimed in claim 14, it is characterized in that: described two bluff pieces cooperatively interact in the relative mode in its diameter limit, and formation has the ramped bottom surface otch on the diameter limit of each bluff piece, is formed with the projection that can be fastened in the described otch on the diameter limit of another relative bluff piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007102033086A CN101464612B (en) | 2007-12-21 | 2007-12-21 | Lens cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007102033086A CN101464612B (en) | 2007-12-21 | 2007-12-21 | Lens cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101464612A true CN101464612A (en) | 2009-06-24 |
| CN101464612B CN101464612B (en) | 2010-12-08 |
Family
ID=40805263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007102033086A Expired - Fee Related CN101464612B (en) | 2007-12-21 | 2007-12-21 | Lens cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101464612B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508399A (en) * | 2012-01-05 | 2012-06-20 | 南京化工职业技术学院 | Dustproof device of projector lens |
| CN101666955B (en) * | 2008-09-05 | 2012-09-19 | 深圳富泰宏精密工业有限公司 | Lens protection module |
| CN106950695A (en) * | 2017-03-31 | 2017-07-14 | 谢亦瞻 | A kind of VR glasses |
| CN109413308A (en) * | 2018-10-12 | 2019-03-01 | 马鞍山市科泰电气科技有限公司 | A kind of high temperature monitoring camera protective device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100538497C (en) * | 2004-12-14 | 2009-09-09 | 松下电器产业株式会社 | Lens hood device and its camera head of use |
-
2007
- 2007-12-21 CN CN2007102033086A patent/CN101464612B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666955B (en) * | 2008-09-05 | 2012-09-19 | 深圳富泰宏精密工业有限公司 | Lens protection module |
| CN102508399A (en) * | 2012-01-05 | 2012-06-20 | 南京化工职业技术学院 | Dustproof device of projector lens |
| CN102508399B (en) * | 2012-01-05 | 2014-07-30 | 南京化工职业技术学院 | Dustproof device of projector lens |
| CN106950695A (en) * | 2017-03-31 | 2017-07-14 | 谢亦瞻 | A kind of VR glasses |
| CN109413308A (en) * | 2018-10-12 | 2019-03-01 | 马鞍山市科泰电气科技有限公司 | A kind of high temperature monitoring camera protective device |
| CN109413308B (en) * | 2018-10-12 | 2021-01-01 | 马鞍山市科泰电气科技有限公司 | High-temperature monitoring lens protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101464612B (en) | 2010-12-08 |
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