CN104345420A - Lens - Google Patents
Lens Download PDFInfo
- Publication number
- CN104345420A CN104345420A CN201310336857.6A CN201310336857A CN104345420A CN 104345420 A CN104345420 A CN 104345420A CN 201310336857 A CN201310336857 A CN 201310336857A CN 104345420 A CN104345420 A CN 104345420A
- Authority
- CN
- China
- Prior art keywords
- lens group
- revolving drum
- operation space
- vane operation
- camera lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
- Structure And Mechanism Of Cameras (AREA)
Abstract
The invention relates to a lens, which comprises a lens group, a plurality of blades, a lens group frame and a rotating cylinder. The blades move in a blade operation space, and can be unfolded to shield the lens group or folded to enable the lens group to be exposed. The lens group and the blades are supported by the lens group frame. The rotating cylinder drives the lens group frame to move along an optical axis while rotating and drives the blades to be unfolded or folded. When the blades are unfolded to shield the lens group, the rotating cylinder enters the blade operation space; when the blades are folded to enable the lens group to be exposed, the rotating cylinder is withdrawn from the blade operation space.
Description
Technical field
The present invention has about a kind of camera lens, relates to a kind of camera lens reducing thickness especially.
Background technology
Refer to the mode of operation of existing camera lens 10 shown in Fig. 1 and Fig. 2, only draw the members of camera lens 10 in figure, other irrelevant assembly then omits and does not draw.Lens group frame 11 is cylindric haply, revolving drum 12 is socketed in lens group frame 11, the cam pin of lens group frame 11 is utilized (to be shown in Fig. 5 and Fig. 6, represent with element numbers 111) coordinate the cam path 121 of revolving drum 12, revolving drum 12 drive lens group frame 11 can be made to move along optical axis OA1.
When taking, revolving drum 12 produces and rotates, and drive lens group frame 11 moves along optical axis OA1, and interlock blade 13,14 folding, take to expose lens group 15.When receiving, revolving drum 12 rotates according to reverse direction, and drive lens group frame 11 returns origin-location along optical axis OA1, and interlock blade 13,14 launches, and to cover lens group 15, provides dust-proof and the function of protection lens group 15.
Lens group 15 and blade 13,14 are all arranged on lens group frame 11, supported by lens group frame 11, refer to Fig. 3 and Fig. 4, vane operation space 16 is formed in wherein one end of lens group frame 11, no matter its Leaf 13,14 is launch and cover lens group 15 (Fig. 3), or folding and expose lens group 15 (Fig. 4), all carry out in vane operation space 16.
Refer to Fig. 5 and Fig. 6, Fig. 5 is camera lens 10 when receiving by lens group frame 11 and revolving drum 12 schematic diagram along its circumferentially deploying, Fig. 6 be camera lens 10 when taking by lens group frame 11 and revolving drum 12 schematic diagram along its circumferentially deploying.As aforementioned, when revolving drum 12 drive lens group's frame 11, the cam pin 111 of lens group frame 11 does relative motion by the cam path 121 of revolving drum 12, can be found out by Fig. 5 and Fig. 6, be no matter when carrying out receiving or taking operation, the cam path 121 that revolving drum 12 extends can't have any overlapping with vane operation space 16.
The beneath mode that revolving drum 12 interlock blade 13,14 is described.Refer to Fig. 7, first utilize elastic parts 18 to pull blade to make rotating ring 17 and produce rotation, then the abutting part 171 utilizing blade to make rotating ring 17 is with moving vane 13 to rotate, then the abutting part 132 recycling blade 13 is with moving vane 14 to rotate, last blade 13,14 becomes folding state, exposes lens group 15.Contrary, when blade does rotating ring 17 reverse rotation, then the abutting part 171 that blade makes rotating ring 17 will decontrol blade 13, and under the pulling of elastic parts 19, blade 13,14 will be made to launch, to cover lens group 15.
The defect of this camera lens of the prior art is, camera lens is thicker.In recent years, portable electronic product carries and use for convenience of people, and move towards miniaturization and lightweight gradually, the camera lens used wherein also must along with slimming and lightweight.For this reason, camera lens inner space is rearranged by the present invention, to reduce thickness during its storage.
Summary of the invention
The technical problem to be solved in the present invention is, the defect that the camera lens for prior art is thicker, provides a kind of camera lens, can reduce thickness during camera lens storage.
The technical scheme that the present invention adopts for its technical matters of solution provides a kind of camera lens, and it comprises lens group, plurality of vanes, lens group frame and revolving drum.Blade is movable in vane operation space, deployablely exposes lens group to cover lens group or folding.Lens group frame support of lens group and blade.Revolving drum when rotated drive lens group frame moves along optical axis, and interlock mounted blade or folding.When covering lens group when mounted blade, revolving drum enters vane operation space, and when exposing lens group when blade folding, revolving drum exits vane operation space.
Wherein, lens group frame is cylindric haply, and vane operation space is formed in one end of lens group frame, and lens group is arranged on outside vane operation space.
Wherein, moved towards centre by the edge in vane operation space during mounted blade, to abdicate the edge in vane operation space, revolving drum can be entered, and revolving drum exits the edge in vane operation space during blade folding, blade can be moved towards edge by the centre in vane operation space.
Wherein, revolving drum comprises at least one cam path, and lens group frame comprises at least one cam pin, and cam pin stretches in cam path, makes revolving drum energy drive lens group frame.
Wherein, when covering lens group when mounted blade, cam path has at least a part and vane operation space to overlap, and makes revolving drum can enter vane operation space.
Because camera lens is when receiving, revolving drum can enter vane operation space, and therefore the present invention can reduce the thickness of camera lens further, reaches the object of slimming.
Accompanying drawing explanation
For making above-mentioned purpose of the present invention, feature and advantage become apparent, preferred embodiment cited below particularly also coordinates accompanying drawing to elaborate.
Fig. 1 is the stereographic map of the associated component of the existing camera lens when mounted blade.
Fig. 2 is the stereographic map of the associated component of the existing camera lens when blade folding.
Fig. 3 is the sectional view of the associated component of the existing camera lens when mounted blade.
Fig. 4 is the sectional view of the associated component of the existing camera lens when blade folding.
Fig. 5 is existing camera lens when receiving by lens group frame and the revolving drum schematic diagram along its circumferentially deploying.
Fig. 6 is existing camera lens when taking by lens group frame and the revolving drum schematic diagram along its circumferentially deploying.
Fig. 7 is the explosive view of the associated component of existing camera lens.
Fig. 8 is the stereographic map of the associated component of the camera lens of the present invention when mounted blade.
Fig. 9 is the stereographic map of the associated component of the camera lens of the present invention when blade folding.
Figure 10 is the sectional view of the associated component of the camera lens of the present invention when mounted blade.
Figure 11 is the sectional view of the associated component of the camera lens of the present invention when blade folding.
Figure 12 be according to camera lens of the present invention when receiving by lens group frame and the revolving drum schematic diagram along its circumferentially deploying.
Figure 13 be according to camera lens of the present invention when taking by lens group frame and the revolving drum schematic diagram along its circumferentially deploying.
Embodiment
Refer to the mode of operation of camera lens 20 of the present invention shown in Fig. 8 and Fig. 9, only draw assembly directly related with the present invention in camera lens 20 in figure, other assembly then omits and does not draw.Lens group frame 21 is cylindric haply, and revolving drum 22 is socketed in lens group frame 21, and when taking and receive, revolving drum 22 can move along optical axis OA2 by drive lens group frame 21.
In detail, when taking, revolving drum 22 produces and rotates, and drive lens group frame 21 moves along optical axis OA2, and interlock blade 23,24 folding, take to expose lens group 25.When receiving, revolving drum 22 rotates according to reverse direction, and drive lens group frame 21 returns origin-location along optical axis OA2, and interlock blade 23,24 launches, and to cover lens group 25, provides dust-proof and the function of protection lens group 25.
Lens group 25 and blade 23,24 are all arranged on lens group frame 21, supported by lens group frame 21, refer to Figure 10 and Figure 11, vane operation space 26 is formed in wherein one end of lens group frame 21, and lens group 25 is arranged on outside vane operation space 26, no matter its Leaf 23,24 is launch and cover lens group 25 (Figure 10), or folding and expose lens group 25 (Figure 11), all carries out in vane operation space 26.
Relatively Figure 10 and Figure 11 is known, and upon deployment, blade 23,24 is moved towards centre by the edge in vane operation space 26 blade 23,24, and the position vacated can provide revolving drum 22 to enter.When blade 23,24 folding, revolving drum 22 exits the edge in vane operation space 26, makes blade 23,24 can return edge by the centre in vane operation space 26.
Because camera lens 20 is when receiving, revolving drum 22 can enter vane operation space 26, and therefore the present invention can reduce the thickness of camera lens 20 further, reaches the object of slimming.
Refer to Figure 12 and Figure 13, Figure 12 be according to camera lens 20 of the present invention when receiving by lens group frame 21 and revolving drum 22 schematic diagram along its circumferentially deploying, Figure 13 be according to camera lens 20 of the present invention when taking by lens group frame 21 and revolving drum 22 schematic diagram along its circumferentially deploying.When revolving drum 22 drive lens group's frame 21, the cam pin 211 of lens group frame 21 does relative motion by the cam path 221 of revolving drum 22, as seen from Figure 12, when carrying out stowing operation, the cam path 221 that revolving drum 22 extends will have part to overlap with vane operation space 26, make revolving drum 22 can enter vane operation space 26, to reach the object of the thickness reducing camera lens 20.
Specifically, the extension 22b that revolving drum 22 comprises revolving drum main body 22a and upwards extends from the top of revolving drum main body 22a, this revolving drum main body 22a and extension 22b is positioned at the different piece on same cylinder, after revolving drum 22 is launched, revolving drum main body 22a is rectangular, and extension 22b is in the rectangle being connected to main body 22a top.The first end of cam path 221 is from this extension 22b, and its second end extends to the bottom of revolving drum main body 22a.
Lens group frame 21 comprises cylindrical body 21a and is connected to the circular base 21b on cylindrical body 21a top, and blade 23,24 is arranged on the end face of circular base 21b.On circular base 21b, be provided with the perforate 21c supplying the extension 22b of revolving drum 22 to enter.As shown in figures 10-13, when when carrying out stowing operation, cam pin 211 slides into the second end of cam path 221, and the extension 22b of revolving drum 22 enters perforate 21c, and the top of revolving drum main body 22a just contacts the bottom surface of circular base 21b, camera lens 20 is in complete receiving state.In the process of storage, revolving drum 22 simultaneous linkage blade 23,24 is closed.
Compared with prior art, camera lens 20 is when receiving, and revolving drum 22 can enter vane operation space 26, and therefore the present invention can reduce the thickness of camera lens 20 further, reaches the object of slimming.
Although the present invention discloses as above with preferred embodiment; but it is also not used to limit the present invention, those skilled in the art person, without departing from the spirit and scope of the present invention; still can do a little change and retouching, therefore protection scope of the present invention is when being as the criterion depending on the claim person of defining.
Claims (8)
1. a camera lens, is characterized in that, comprising:
Lens group;
Plurality of vanes, movable in vane operation space, deployablely expose this lens group to cover this lens group or folding;
Lens group frame, supports this lens group and these blades;
Revolving drum, drives this lens group frame to move along optical axis during rotation, and these mounted blades of interlock or folding;
When covering this lens group when these mounted blades, this revolving drum enters this vane operation space, and when exposing this lens group when these blade foldings, this revolving drum exits this vane operation space.
2. camera lens as claimed in claim 1, it is characterized in that, this lens group frame is roughly cylindrical shape, and this vane operation space is formed in one end of this lens group frame, and lens group is arranged on outside this vane operation space.
3. camera lens as claimed in claim 1, it is characterized in that, moved towards centre by the edge in this vane operation space during these mounted blades, to abdicate the edge in this vane operation space, this revolving drum can be entered, and this revolving drum exits the edge in this vane operation space during these blade foldings, these blades can be moved towards edge by the centre in this vane operation space.
4. camera lens as claimed in claim 1, it is characterized in that, this revolving drum comprises at least one cam path, and this lens group frame comprises at least one cam pin, and this cam pin stretches in this cam path, makes this revolving drum can drive this lens group frame.
5. camera lens as claimed in claim 4, is characterized in that, when covering this lens group when these mounted blades, this cam path has at least a part and this vane operation space to overlap, and makes this revolving drum can enter this vane operation space.
6. camera lens as claimed in claim 4, is characterized in that, the extension that this revolving drum comprises revolving drum main body and upwards extends from the top of this revolving drum main body.
7. camera lens as claimed in claim 6, it is characterized in that, the first end of this cam path is from this extension, and the second end extends to the bottom of this revolving drum main body.
8. camera lens as claimed in claim 6, it is characterized in that, lens group frame comprises cylindrical body and is connected to the circular base on this cylindrical body top, and this circular base is provided with the perforate supplying the extension of this revolving drum to enter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310336857.6A CN104345420B (en) | 2013-08-05 | 2013-08-05 | Camera lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310336857.6A CN104345420B (en) | 2013-08-05 | 2013-08-05 | Camera lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104345420A true CN104345420A (en) | 2015-02-11 |
| CN104345420B CN104345420B (en) | 2017-06-06 |
Family
ID=52501403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310336857.6A Active CN104345420B (en) | 2013-08-05 | 2013-08-05 | Camera lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104345420B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002277706A (en) * | 2001-03-22 | 2002-09-25 | Asahi Optical Co Ltd | Lens barrel |
| JP2006017927A (en) * | 2004-06-30 | 2006-01-19 | Nidec Copal Corp | Lens barrier unit for camera |
| CN101025542A (en) * | 2006-02-17 | 2007-08-29 | 佳能株式会社 | Image pickup apparatus |
| CN101118310A (en) * | 2006-07-31 | 2008-02-06 | 佳能株式会社 | Lens barrel |
| US20100165488A1 (en) * | 2008-12-27 | 2010-07-01 | Canon Kabushiki Kaisha | Lens barrel and imaging apparatus |
| US20110158621A1 (en) * | 2009-12-28 | 2011-06-30 | Panasonic Corporation | Lens barrel |
| CN102540388A (en) * | 2010-12-25 | 2012-07-04 | 鸿富锦精密工业（深圳）有限公司 | Combined lens tube and zoom lens with application of combined lens tube |
| CN102608724A (en) * | 2011-01-18 | 2012-07-25 | 佳能企业股份有限公司 | Camera lens mechanism |
-
2013
- 2013-08-05 CN CN201310336857.6A patent/CN104345420B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002277706A (en) * | 2001-03-22 | 2002-09-25 | Asahi Optical Co Ltd | Lens barrel |
| JP2006017927A (en) * | 2004-06-30 | 2006-01-19 | Nidec Copal Corp | Lens barrier unit for camera |
| CN101025542A (en) * | 2006-02-17 | 2007-08-29 | 佳能株式会社 | Image pickup apparatus |
| CN101118310A (en) * | 2006-07-31 | 2008-02-06 | 佳能株式会社 | Lens barrel |
| US20100165488A1 (en) * | 2008-12-27 | 2010-07-01 | Canon Kabushiki Kaisha | Lens barrel and imaging apparatus |
| US20110158621A1 (en) * | 2009-12-28 | 2011-06-30 | Panasonic Corporation | Lens barrel |
| CN102540388A (en) * | 2010-12-25 | 2012-07-04 | 鸿富锦精密工业（深圳）有限公司 | Combined lens tube and zoom lens with application of combined lens tube |
| CN102608724A (en) * | 2011-01-18 | 2012-07-25 | 佳能企业股份有限公司 | Camera lens mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104345420B (en) | 2017-06-06 |
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