CN104345420B - Camera lens - Google Patents

Camera lens Download PDF

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Publication number
CN104345420B
CN104345420B CN201310336857.6A CN201310336857A CN104345420B CN 104345420 B CN104345420 B CN 104345420B CN 201310336857 A CN201310336857 A CN 201310336857A CN 104345420 B CN104345420 B CN 104345420B
Authority
CN
China
Prior art keywords
lens group
revolving drum
operation space
vane operation
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.)
Active
Application number
CN201310336857.6A
Other languages
Chinese (zh)
Other versions
CN104345420A (en
Inventor
黄敦揆
刘子敬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sintai Optical Shenzhen Co Ltd
Asia Optical Co Inc
Original Assignee
Sintai Optical Shenzhen Co Ltd
Asia Optical Co Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sintai Optical Shenzhen Co Ltd, Asia Optical Co Inc filed Critical Sintai Optical Shenzhen Co Ltd
Priority to CN201310336857.6A priority Critical patent/CN104345420B/en
Publication of CN104345420A publication Critical patent/CN104345420A/en
Application granted granted Critical
Publication of CN104345420B publication Critical patent/CN104345420B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/021Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/023Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Structure And Mechanism Of Cameras (AREA)
  • Lens Barrels (AREA)

Abstract

The present invention relates to a kind of camera lens, it includes lens group, plurality of vanes, lens group frame and revolving drum.Blade activity in vane operation space, it is deployable to expose lens group to cover lens group or folding.Lens group frame supports lens group and blade.Drive lens group's frame is moved revolving drum along optical axis when rotated, and interlocks mounted blade or folding.When mounted blade covers lens group, revolving drum enters vane operation space, and when lens group is exposed in blade folding, revolving drum exits vane operation space.

Description

Camera lens
Technical field
The present invention is related to a kind of camera lens, in particular to a kind of camera lens for reducing thickness.
Background technology
The mode of operation of existing camera lens 10 shown in Fig. 1 and Fig. 2 is referred to, the members of camera lens 10 are only drawn in figure, its Its unrelated component is then omitted and is not drawn into.Lens group frame 11 is substantially cylindric, and revolving drum 12 is socketed in lens group frame 11, profit Coordinate the cam path of revolving drum 12 with the cam pin (in being shown in Fig. 5 and Fig. 6, being represented with element numbers 111) of lens group frame 11 121, the drive lens of revolving drum 12 group's frame 11 can be made to be moved along optical axis OA1.
When shooting, revolving drum 12 produces rotation, and drive lens group's frame 11 is moved along optical axis OA1, and interlocks blade 13rd, 14 folding, is shot with exposing lens group 15.When storage, revolving drum 12 rotates according to rightabout, drive lens group's frame 11 return origin-location along optical axis OA1, and interlock the expansion of blade 13,14, to cover lens group 15, there is provided dust-proof and guarantor Protect the function of lens group 15.
Lens group 15 and blade 13,14 are all arranged on lens group frame 11, are supported by lens group frame 11, refer to figure 3 and Fig. 4, vane operation space 16 is formed with wherein one end of lens group frame 11, its Leaf 13,14 either launch and Masking lens group 15 (Fig. 3), or folding and expose lens group 15 (Fig. 4), all carried out in vane operation space 16.
Refer to Fig. 5 and Fig. 6, Fig. 5 be camera lens 10 in storage by lens group frame 11 and revolving drum 12 along its circumferentially deploying Schematic diagram, Fig. 6 be camera lens 10 when shooting by lens group frame 11 and revolving drum 12 along its circumferentially deploying schematic diagram.It is such as preceding State, when the drive lens of revolving drum 12 group's frame 11, the cam pin 111 of lens group frame 11 is by the cam path 121 of revolving drum 12 Perform relative motion, be can be seen that by Fig. 5 and Fig. 6, either received or during shooting operation, extend on revolving drum 12 Cam path 121 can't have any overlapping with vane operation space 16.
Beneath explanation revolving drum 12 interlocks the mode of blade 13,14.Fig. 7 is referred to, is pulled first with elastic parts 18 Blade makees rotating ring 17 and produces rotation, and the abutting part 171 for then making rotating ring 17 using blade drives blade 13 to rotate, and then recycles The abutting part 132 of blade 13 drives blade 14 to rotate, and last blade 13,14 turns into folding state, exposes lens group 15.Conversely , when blade makees rotating ring 17 to be reversely rotated, then blade makees the abutting part 171 of rotating ring 17 by relieving blade 13, and at elastic group Under the pulling of part 19, will launch blade 13,14, to cover lens group 15.
The defect of this camera lens of the prior art is that camera lens is thicker.In recent years, portable electronic product is for convenience of people Carry and use, gradually moved towards miniaturization and lightweight, the camera lens used needed for it also must with slimming with Lightweight.Therefore, the present invention rearranges camera lens inner space, to reduce thickness during its storage.
The content of the invention
The technical problem to be solved in the present invention is, for the thicker defect of the camera lens of prior art, there is provided a kind of camera lens, Thickness when camera lens is received can be reduced.
The present invention is to provide a kind of camera lens to solve the technical scheme that its technical problem is used, and it includes lens group, answers Several blades, lens group frame and revolving drum.Blade activity in vane operation space, it is deployable covering lens group or receipts Roll over and expose lens group.Lens group frame supports lens group and blade.Revolving drum when rotated drive lens group frame along optical axis It is mobile, and interlock mounted blade or folding.When mounted blade covers lens group, it is empty that revolving drum enters vane operation Between, and when lens group is exposed in blade folding, revolving drum exits vane operation space.
Wherein, lens group frame is substantially cylindric, and vane operation space is formed in one end of lens group frame, and lens group It is arranged on outside vane operation space.
Wherein, moved towards centre by the edge in vane operation space during mounted blade, to concede vane operation space Edge, revolving drum is entered, and revolving drum exits the edge in vane operation space during blade folding, enables blade by blade Moved towards edge the centre of operating space.
Wherein, revolving drum includes an at least cam path, and lens group frame includes an at least cam pin, and cam pin stretches into cam path In, enable revolving drum drive lens group's frame.
Wherein, when mounted blade covers lens group, cam path is at least part of to overlap with vane operation space, makes Revolving drum can enter vane operation space.
Because camera lens is in storage, revolving drum can enter vane operation space, therefore the present invention can further reduce mirror The thickness of head, reaches the purpose of slimming.
Brief description of the drawings
To enable above-mentioned purpose of the invention, feature and advantage to become apparent, preferred embodiment cited below particularly simultaneously coordinates Accompanying drawing elaborates.
Fig. 1 is the stereogram of the associated component of existing camera lens when mounted blade.
Fig. 2 is the stereogram of the associated component of existing camera lens when blade folding.
Fig. 3 is the profile of the associated component of existing camera lens when mounted blade.
Fig. 4 is the profile of the associated component of existing camera lens when blade folding.
Fig. 5 be existing camera lens in storage by lens group frame and revolving drum along its circumferentially deploying schematic diagram.
Fig. 6 be existing camera lens when shooting by lens group frame and revolving drum along its circumferentially deploying schematic diagram.
Fig. 7 is the explosive view of the associated component of existing camera lens.
Fig. 8 is the stereogram of the associated component of camera lens of the present invention when mounted blade.
Fig. 9 is the stereogram of the associated component of camera lens of the present invention when blade folding.
Figure 10 is the profile of the associated component of camera lens of the present invention when mounted blade.
Figure 11 is the profile of the associated component of 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 revolving drum along its circumferentially deploying schematic diagram.
Figure 13 be according to camera lens of the present invention in shooting by lens group frame and revolving drum along its circumferentially deploying schematic diagram.
Specific embodiment
The mode of operation of camera lens of the present invention 20 shown in Fig. 8 and Fig. 9 is referred to, is only drawn in figure straight with the present invention in camera lens 20 The component of correlation is connect, other components are then omitted and are not drawn into.Lens group frame 21 is substantially cylindric, and revolving drum 22 is socketed in lens Group frame 21 in, in shooting and storage, revolving drum 22 can drive lens group frame 21 along optical axis OA2 move.
In detail, when shooting, revolving drum 22 produces rotation, and drive lens group's frame 21 is moved along optical axis OA2, and even Movable vane piece 23,24 foldings, are shot with exposing lens group 25.When storage, revolving drum 22 rotates according to rightabout, drives saturating Lens group frame 21 returns origin-location along optical axis OA2, and interlocks the expansion of blade 23,24, to cover lens group 25, there is provided 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, are supported by lens group frame 21, refer to figure 10 and Figure 11, vane operation space 26 is formed with wherein one end of lens group frame 21, and lens group 25 is arranged on blade behaviour Make outside space 26, its Leaf 23,24 either launches and covers lens group 25 (Figure 10), or folding and expose lens 25 (Figure 11) of group, are all carried out in vane operation space 26.
Compare Figure 10 and Figure 11 understand, blade 23,24 upon deployment, blade 23,24 by vane operation space 26 side Edge is moved towards centre, and the position vacated can provide revolving drum 22 and enter.When blade 23,24 folding, revolving drum 22 is moved back Go out the edge in vane operation space 26, blade 23,24 is return edge by the centre in vane operation space 26.
Because camera lens 20 is in storage, revolving drum 22 can enter vane operation space 26, therefore the present invention can be further The thickness of camera lens 20 is reduced, the purpose of slimming is reached.
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 Along the schematic diagram of its circumferentially deploying, Figure 13 be according to camera lens 20 of the present invention shooting when by lens group frame 21 and revolving drum 22 along it The schematic diagram of circumferentially deploying.When the drive lens of revolving drum 22 group's frame 21, the cam pin 211 of lens group frame 21 will be in revolving drum 22 Cam path 221 in perform relative motion, as seen from Figure 12, when stowing operation is carried out, on revolving drum 22 extend cam Groove 221 will have part to be overlapped with vane operation space 26 so that revolving drum 22 can enter vane operation space 26, to reach reduction The purpose of the thickness of camera lens 20.
Specifically, revolving drum 22 includes revolving drum main body 22a and is upwardly extended from the top of revolving drum main body 22a Extension 22b, the revolving drum main body 22a and extension 22b be located at same cylinder on different piece, revolving drum 22 is opened up After opening, 22a is rectangular for revolving drum main body, and extension 22b is in the rectangle for being connected to main body 22a tops.The first end of cam path 221 Since extension 22b, its second end extends to the bottom of revolving drum main body 22a.
Lens group frame 21 includes cylindrical body 21a and is connected to the circular base 21b on cylindrical body 21a tops, blade 23rd, 24 it is arranged on the top surface of circular base 21b.On circular base 21b, the extension 22b being provided with for revolving drum 22 enters Perforate 21c.As shown in figures 10-13, when when stowing operation is carried out, cam pin 211 slides into the second end of cam path 221, The extension 22b of revolving drum 22 enters perforate 21c, and the top of revolving drum main body 22a just contacts the bottom of circular base 21b Face, camera lens 20 is in complete receiving state.During storage, 22 simultaneous linkage blade of revolving drum 23,24 is closed.
Compared with prior art, in storage, revolving drum 22 can enter vane operation space 26, therefore the present invention to camera lens 20 The thickness of camera lens 20 can be further reduced, the purpose of slimming is reached.
Although the present invention is disclosed above with preferred embodiment, it is not limited to the present invention, the art Personnel, without departing from the spirit and scope of the present invention, can still make a little change with retouching, therefore protection scope of the present invention It is defined when depending on as defined in claim.

Claims (7)

1. a kind of camera lens, it is characterised in that including:
Lens group;
Plurality of vanes, activity, deployable to expose the lens to cover the lens group or folding in vane operation space Group;
Lens group frame, supports the lens group and these blades;
Revolving drum, drives the lens group frame to be moved along optical axis during rotation, and interlocks these mounted blades or folding, described Revolving drum includes an at least cam path;
When these mounted blades cover the lens group, the cam path is at least part of to overlap with the vane operation space, The revolving drum enters the vane operation space, and when the lens group is exposed in these blade foldings, the revolving drum exits the leaf Piece operating space.
2. camera lens as claimed in claim 1, it is characterised in that the lens group frame is cylindrical shape, and the vane operation space is formed It is arranged on outside the vane operation space in one end of the lens group frame, and lens group.
3. camera lens as claimed in claim 1, it is characterised in that by the edge court in the vane operation space during these mounted blades Moved to centre, to concede the edge in the vane operation space, the revolving drum is entered, and this time during these blade foldings Rotating cylinder exits the edge in the vane operation space, these blades is moved towards edge by the centre in the vane operation space It is dynamic.
4. camera lens as claimed in claim 1, it is characterised in that the lens group frame includes an at least cam pin, the cam pin is stretched Enter in the cam path, the revolving drum is driven the lens group frame.
5. camera lens as claimed in claim 1, it is characterised in that the revolving drum includes revolving drum main body and from the revolving drum The extension that the top of main body upwardly extends.
6. camera lens as claimed in claim 5, it is characterised in that the first end of the cam path since the extension, the second end Extend to the bottom of the revolving drum main body.
7. camera lens as claimed in claim 5, it is characterised in that lens group frame includes cylindrical body and is connected to the tubular The circular base on main body top, is provided with the perforate entered for the extension of the revolving drum on the circular base.
CN201310336857.6A 2013-08-05 2013-08-05 Camera lens Active CN104345420B (en)

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 CN104345420A (en) 2015-02-11
CN104345420B true CN104345420B (en) 2017-06-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002277706A (en) * 2001-03-22 2002-09-25 Asahi Optical Co Ltd Lens barrel
JP4216774B2 (en) * 2004-06-30 2009-01-28 日本電産コパル株式会社 Lens barrier device for camera
JP4939074B2 (en) * 2006-02-17 2012-05-23 キヤノン株式会社 Imaging device
JP4871666B2 (en) * 2006-07-31 2012-02-08 キヤノン株式会社 Lens barrel
JP5335412B2 (en) * 2008-12-27 2013-11-06 キヤノン株式会社 Imaging device
JP2011154347A (en) * 2009-12-28 2011-08-11 Panasonic Corp Lens barrel
CN102540388B (en) * 2010-12-25 2013-10-09 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

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