CN103365050A - Projection device, lens ring and assembling method of lens ring - Google Patents

Projection device, lens ring and assembling method of lens ring Download PDF

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Publication number
CN103365050A
CN103365050A CN2012101005412A CN201210100541A CN103365050A CN 103365050 A CN103365050 A CN 103365050A CN 2012101005412 A CN2012101005412 A CN 2012101005412A CN 201210100541 A CN201210100541 A CN 201210100541A CN 103365050 A CN103365050 A CN 103365050A
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CN
China
Prior art keywords
section
lens
projection
collar
camera lens
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Granted
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CN2012101005412A
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Chinese (zh)
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CN103365050B (en
Inventor
陈韦如
陈启晟
陈家典
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Coretronic Corp
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Coretronic Corp
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Priority to CN201210100541.2A priority Critical patent/CN103365050B/en
Publication of CN103365050A publication Critical patent/CN103365050A/en
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  • Lens Barrels (AREA)

Abstract

Provided is a projection device which comprises a lens and a lens ring. The lens is provided with at least one protrusion pillar. The lens ring comprises a main body and an assembling part. The assembling part is connected with the main body and is provided with at least one groove. The groove is provided with a first segment and a second segment. One end of the first segment is provided with an opening at the edge of the assembling part. The other end of the first segment is connected with the second segment. The first segment is not in parallel with the second segment. The protrusion pillar is clamped inside the second segment. Besides, also related are the lens ring and an assembling method of the lens ring.

Description

The assemble method of projection arrangement, lens collar and lens collar
Technical field
The invention relates to a kind of optical devices and assemble method thereof, and particularly relevant for the assemble method of a kind of projection arrangement, lens collar and lens collar.
Background technology
Projection arrangement is a kind of in order to produce the display device of large scale picture.The image-forming principle of projection arrangement is to convert the illuminating bundle that light source produces to image strip by light valve, by camera lens image strip is converted to projected light beam again, and it is projected on screen or the metope.Along with the progress of shadow casting technique and the reduction of manufacturing cost, the use of projection arrangement is expanded to domestic use gradually from commercial use.
Projection arrangement generally is provided with lens collar, and the rotatable lens collar of user is adjusted the focal length of camera lens, and lens collar is fixed in camera lens mainly with the mode of engaging or screw lock greatly.If lens collar is fixed in too simply engaging mode, can makes it be easy to be disassembled and lose or damage.If lens collar is fixed in the mode of screw lock, then need could lock effectively rapidly by the auxiliary positioning of tool, comparatively expend man-hour and assembly cost.
United States Patent (USP) numbering 20060163481 and Taiwan patent number M318737 all disclose the fixed form between the different institutions part, yet these fixed forms have the problems such as the complicated and fixed effect of assembling process is not good.
Summary of the invention
The present invention proposes the assemble method of a kind of projection arrangement, lens collar and lens collar, can avoid lens collar to be easy to disassemble, and can simplify assembling process and save assembly cost.
Other purposes of the present invention and advantage can be further understood from the disclosed technical characterictic of the present invention.
For reaching above-mentioned one or part or whole purposes or other purposes, one embodiment of the invention provide a kind of projection arrangement, comprise camera lens and lens collar.Camera lens has at least one projection.Lens collar comprises main body and assembled portion.Assembled portion is connected in main body and has at least one fluting.Fluting comprises the first section and the second section.One end opening of the first section is in the edge of assembled portion.The other end of the first section is connected in the second section.The first section is not parallel to the second section.Projection is arranged in the second section.
For reaching above-mentioned one or part or whole purposes or other purposes, one embodiment of the invention provide a kind of lens collar, are used for projection arrangement.Projection arrangement comprises camera lens.Camera lens has at least one projection.Lens collar comprises main body and assembled portion.Assembled portion is connected in main body and has at least one fluting.Fluting comprises the first section and the second section.One end opening of the first section is in the edge of assembled portion.The other end of the first section is connected in the second section.The first section is not parallel to the second section.Projection is arranged in the second section.
For reaching above-mentioned one or part or whole purposes or other purposes, one embodiment of the invention provide a kind of assemble method of lens collar.At first, provide camera lens and lens collar, wherein camera lens has at least one projection, and lens collar has at least one fluting, and fluting comprises the first section and the second section.Then, lens collar is sheathed with camera lens, so that projection enters the first section and moves to the intersection of the first section and the second section along the first moving direction.Then, with respect to the rotation of lens lens collar, so that projection is established to the second section along the second moving direction card from intersection, wherein the first moving direction is not parallel to the second moving direction.
Based on above-mentioned, in the above embodiment of the present invention, because the fluting of lens collar comprises each other uneven the first section and the second section, so need the projection of camera lens sequentially can be pulled down lens collar along the movement in fluting of different directions from camera lens, use and avoid lens collar to be assembled to camera lens being easy to disassemble afterwards or easily separating with camera lens and lose or damage.In addition, the projection card of camera lens is being established to fluting, namely fixed the relative position of lens collar and camera lens, therefore do not needing the tool auxiliary positioning in the process in follow-up locking, and can simplify assembling process and save assembly cost.
For above-mentioned feature and advantage of the present invention can be become apparent, a plurality of embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 is the synoptic diagram of the projection arrangement of one embodiment of the invention.
Fig. 2 is the partial perspective view of the projection arrangement of Fig. 1.
Fig. 3 is that the projection arrangement of Fig. 2 is in the stereographic map at another visual angle.
Fig. 4 is the sectional view of the assembled portion of Fig. 2.
Fig. 5 is the assemble method process flow diagram of the lens collar of Fig. 2.
Fig. 6 A is that the projection of Fig. 2 is positioned at the outer synoptic diagram of fluting.
Fig. 6 B is the synoptic diagram that the projection of Fig. 2 enters fluting.
[main element symbol description]
100: projection arrangement
110: light source
120: light valve
130: camera lens
132: projection
132a: stopper section
140: lens collar
142: main body
144: assembled portion
144a: fluting
144b: edge
144c: lockhole
144d: elastic arm
144e: guide ramp
146: locking accessory
A: axis
D: assembling direction
L1: illuminating bundle
L2: image strip
L3: projected light beam
V1: the first moving direction
V2: the second moving direction
W1: external diameter
W2: width
S1: the first section
S2: the second section
S3: intersection
Embodiment
About addressing other technologies content, characteristics and effect before the present invention, in the following detailed description that cooperates with reference to graphic a plurality of embodiment, can clearly present.The direction term of mentioning in following examples, such as " on ", D score, 'fornt', 'back', " left side ", " right side " etc., only be the direction with reference to annexed drawings.Therefore, the direction term of use is explanation, but not is used for limiting the present invention.
Fig. 1 is the synoptic diagram of the projection arrangement of one embodiment of the invention.Please refer to Fig. 1, the projection arrangement 100 of present embodiment comprises light source 110, light valve 120 and camera lens 130.Light source 110 is in order to providing illuminating bundle L1, and light valve 300 is in order to converting illuminating bundle L1 to image strip L2, and camera lens 400 is in order to converting image strip L2 to the light beam L3 of projection image, and it is projected to form picture.
Fig. 2 is the partial perspective view of the projection arrangement of Fig. 1.Please refer to Fig. 2, camera lens 130 has at least one projection 132.Projection arrangement 100 also comprises lens collar 140, and lens collar 140 comprises main body 142 and assembled portion 144, and assembled portion 144 is connected in main body 142 and has at least one fluting 144a.Fluting 144a comprises the first section S1 and the second section S2.The end opening of the first section S1 is in the edge of assembled portion 144 144b, and the other end of the first section S1 is connected in the second section S2, and the first section S1 is not parallel to the second section S2.
Assembled portion 144 is in order to be sheathed with camera lens 130 along assembling direction D, so that projection 132 enters the first section S1 and moves to the intersection S3 of the first section S1 and the second section S2 along the first moving direction V1 from the edge 144a of assembled portion 144, and lens collar 140 is in order to rotate with respect to camera lens 130 along axis A, so that establishing from intersection S3 along the second moving direction V2 card to the second section S2, projection 132 becomes state shown in Figure 2, so that lens collar 140 is fixed in camera lens 130.In the present embodiment, axis A is parallel to assembling direction D, and the bearing of trend of the first section S1 for example is perpendicular to the bearing of trend of the second section S2, and the first moving direction V1 for example is perpendicular to the second moving direction V2.
Fig. 3 is that the projection arrangement of Fig. 2 is in the stereographic map at another visual angle.Please refer to Fig. 3, the lens collar 140 of present embodiment also comprises locking accessory 146, and assembled portion 144 has lockhole 144c.Locking accessory 146 for example is attached to camera lens 130 for screw and through lockhole 144c with assembled portion 144.
Under above-mentioned configuration mode, because the fluting 144a of lens collar 140 comprises each other uneven the first section S1 and the second section S2, so need the projection 132 of camera lens 130 sequentially can be pulled down lens collar 140 along the movement in fluting 144a of different directions from camera lens 130, use and avoid lens collar 140 to lose or damage because being easy to disassemble.In addition, projection 132 cards of camera lens 130 are being established to fluting 144a, namely fixed the relative position of lens collar 140 with camera lens 130, do not needed the tool auxiliary positioning when therefore utilizing locking accessory 146 to lock assembled portion 144 to camera lens 130, and can save assembly cost.
The lens collar 140 of present embodiment for example is focusing ring (focus ring), and user's rotatable mirror headring 140 comes camera lens 130 is focused on.In other embodiments, lens collar 140 also can be zoom ring (zoom ring), and user's rotatable mirror headring 140 comes camera lens 130 is carried out zoom.
Please refer to Fig. 2, the assembled portion 144 of present embodiment has elastic arm 144d in the second section S2 of fluting 144a.Projection 132 needs the elastic force of opposing elastic arm 144d to move into the second section S2, and elastic arm 144d can be limited in projection 132 in the second section S2.In addition, the projection 132 of present embodiment for example has stopper section 132a (being the head of screw) for the top of screw and projection 132.The external diameter W1 of stopper section 132a relatively moves to stop assembled portion 144 and the lock direction of camera lens 130 along projection 132 greater than the width W 2 of the second section S2.In addition, the first section S1 of fluting 144a has guide ramp 144e at the edge of assembled portion 144 144b, and projection 132 can enter by the guiding of guide ramp 144e fluting 144a, to make assembling process more smooth and easy.
Fig. 4 is the sectional view of the assembled portion of Fig. 2.Please refer to Fig. 4, in the present embodiment, the quantity of fluting 144a is a plurality of (for example illustrate is three) and be distributed in assembled portion 144 and surrounding lens 130, and the quantity of projection 132 is a plurality of (for example illustrate is three) and corresponding these flutings 144a respectively.In other embodiments, fluting 144a and projection 132 can be other right quantity, and the present invention is not limited this.
Below by the assemble method of the lens collar 140 of graphic detailed description Fig. 2.Fig. 5 is the assemble method process flow diagram of the lens collar of Fig. 2.Fig. 6 A is that the projection of Fig. 2 is positioned at the outer synoptic diagram of fluting.Fig. 6 B is the synoptic diagram that the projection of Fig. 2 enters fluting.Please refer to Fig. 6, at first, provide as shown in Figure 6A camera lens 130 and lens collar 140, wherein camera lens 130 has projection 132, and lens collar 140 has fluting 144a, and fluting 144a comprises the first section S1 and the second section S2 (step S602).Then, shown in Fig. 6 B, lens collar 140 is sheathed with camera lens 130, so that projection 132 enters the first section S1 and moves to the intersection S3 (step S604) of the first section S1 and the second section S2 along the first moving direction V1.Then, with respect to camera lens 130 rotating mirror headrings 140 to state shown in Figure 2, so that projection 132 is established to the second section S2 along the second moving direction V2 card from intersection S3, and lens collar 140 is fixed in camera lens 130, wherein the first moving direction V1 is not parallel to the second moving direction V2 (step S606).Described the first moving direction V1 for example is perpendicular to described the second moving direction V2.
In addition, in above-mentioned steps S604, for example be along the assembling direction D shown in Fig. 6 A and Fig. 6 B lens collar 140 to be sheathed with camera lens 130, and in above-mentioned steps S606, for example be along the axis A shown in Fig. 6 A and the 6B with respect to camera lens 130 rotating mirror headrings 140, wherein assemble the direction D A that parallels to the axis.
After finishing above-mentioned steps S606, also can by locking accessory 146 lens collar 140 be attached to camera lens 130 as shown in Figure 3, so that one-piece construction is more firm.
In sum, in the above embodiment of the present invention, because the fluting of lens collar comprises each other uneven the first section and the second section, so need the projection of camera lens sequentially can be pulled down lens collar along the movement in fluting of different directions from camera lens, use and avoid lens collar to lose or damage because being easy to disassemble.In addition, the projection card of camera lens is being established to fluting, namely fixed the relative position of lens collar and camera lens, do not needing the tool auxiliary positioning when therefore utilizing locking accessory to lock assembled portion to camera lens, and can simplify assembling process and save assembly cost.
The above, it only is preferred embodiment of the present invention, when not limiting scope of the invention process with this, the simple equivalence of namely generally doing according to claim of the present invention and invention description content changes and modifies, and all still belongs in the scope that patent of the present invention contains.In addition, arbitrary embodiment of the present invention or claim must not reached the disclosed whole purposes of the present invention or advantage or characteristics.In addition, summary part and title only are the usefulness of auxiliary patent document search, are not to limit interest field of the present invention.In addition, the terms such as the first section of mentioning in the instructions, the second section, the first moving direction, the second moving direction only in order to represent the title of element, are not the quantitative upper limit of limiting element or lower limit.

Claims (24)

1. projection arrangement comprises:
Camera lens has at least one projection; And
Lens collar comprises:
Main body; And
Assembled portion, be connected in this main body and have at least one fluting, wherein this fluting comprises the first section and the second section, one end opening of this first section is in the edge of this assembled portion, the other end of this first section is connected in this second section, this first section is not parallel to this second section, and this projection is arranged in this second section.
2. projection arrangement as claimed in claim 1 also comprises:
Light source is in order to provide illuminating bundle; And
Light valve, in order to convert this illuminating bundle to image strip, wherein this camera lens is in order to convert this image strip to projected light beam.
3. projection arrangement as claimed in claim 1, wherein this assembled portion is in order to be sheathed with this camera lens along the assembling direction, so that this projection enters this first section and moves to the intersection of this first section and this second section from this edge, and this lens collar in order to along axis with respect to this rotation of lens, so that this projection is established to this second section from this intersection card.
4. projection arrangement as claimed in claim 3, wherein this assembling direction is parallel to this axis.
5. projection arrangement as claimed in claim 1, wherein the bearing of trend of this first section is perpendicular to the bearing of trend of this second section.
6. projection arrangement as claimed in claim 1, wherein this lens collar is focusing ring or zoom ring.
7. projection arrangement as claimed in claim 1, wherein this assembled portion has elastic arm in this second section, and this projection moves into this second section in order to the elastic force of resisting this elastic arm, and is limited in this second section by this elastic arm.
8. projection arrangement as claimed in claim 1, wherein this first section has guide ramp at this edge, and this projection is in order to enter this fluting by the guiding of this guide ramp.
9. projection arrangement as claimed in claim 1, wherein the quantity of this at least one fluting is a plurality of and is distributed in this assembled portion and around this camera lens, the quantity of this at least one projection is a plurality of and respectively corresponding those flutings.
10. projection arrangement as claimed in claim 1, wherein this lens collar also comprises locking accessory, and this assembled portion has lockhole, and this locking accessory is attached to this camera lens in order to see through this lockhole with this assembled portion.
11. projection arrangement as claimed in claim 1, wherein the top of this projection has the stopper section, and the external diameter of this stopper section is greater than the width of this second section.
12. a lens collar is used for projection arrangement, this projection arrangement comprises camera lens, and this camera lens has at least one projection, and this lens collar comprises:
Main body; And
Assembled portion, be connected in this main body and have at least one fluting, wherein this fluting comprises the first section and the second section, one end opening of this first section is in the edge of this assembled portion, the other end of this first section is connected in this second section, this first section is not parallel to this second section, and this projection is arranged in this second section.
13. lens collar as claimed in claim 12, wherein this assembled portion is in order to be sheathed with this camera lens along the assembling direction, so that this projection enters this first section and moves to the intersection of this first section and this second section from this edge, and this lens collar in order to along axis with respect to this rotation of lens, so that this projection is established to this second section from this intersection card.
14. lens collar as claimed in claim 13, wherein this assembling direction is parallel to this axis.
15. lens collar as claimed in claim 12, wherein the bearing of trend of this first section is perpendicular to the bearing of trend of this second section.
16. lens collar as claimed in claim 12 is focusing ring or zoom ring.
17. lens collar as claimed in claim 12, wherein this assembled portion has elastic arm in this second section, and this projection moves into this second section in order to the elastic force of resisting this elastic arm, and is limited in this second section by this elastic arm.
18. lens collar as claimed in claim 12, wherein this first section has guide ramp at this edge, and this projection is in order to enter this fluting by the guiding of this guide ramp.
19. lens collar as claimed in claim 12, wherein the quantity of this at least one fluting is a plurality of and is distributed in this assembled portion and around this camera lens, and the quantity of this at least one projection is a plurality of and respectively corresponding those flutings.
20. lens collar as claimed in claim 12 also comprises locking accessory, wherein this assembled portion has lockhole, and this locking accessory is attached to this camera lens in order to see through this lockhole with this assembled portion.
21. the assemble method of a lens collar comprises:
Camera lens and lens collar are provided, and wherein this camera lens has at least one projection, and this lens collar has at least one fluting, and this fluting comprises the first section and the second section;
This lens collar is sheathed with this camera lens, so that this projection enters this first section and moves to the intersection of this first section and this second section along the first moving direction; And
With respect to this lens collar of this rotation of lens, so that this projection is established to this second section from this intersection along the second moving direction card, wherein this first moving direction is not parallel to this second moving direction.
22. assemble method as claimed in claim 21, wherein this first moving direction is perpendicular to this second moving direction.
23. assemble method as claimed in claim 21, the step that wherein this lens collar is sheathed with this camera lens comprises that edge assembling direction is sheathed with this camera lens with this lens collar, and comprise along axis that with respect to the step of this this lens collar of rotation of lens with respect to this lens collar of this rotation of lens, wherein this assembling direction is parallel to this axis.
24. assemble method as claimed in claim 21 also comprises:
Making after this projection card establishes to this second section, by locking accessory this lens collar is attached to this camera lens.
CN201210100541.2A 2012-04-09 2012-04-09 Projection device, lens ring and assembling method of lens ring Active CN103365050B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105227878A (en) * 2014-06-18 2016-01-06 中强光电股份有限公司 Projection arrangement, camera lens module and clamping structure
CN111308839A (en) * 2020-03-16 2020-06-19 管凯迎 Short-focus lens for projector

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002062466A (en) * 2000-08-22 2002-02-28 Sigma Corp Focusing mechanism
CN1495459A (en) * 2002-08-27 2004-05-12 ������������ʽ���� Lens drum with cam mechanism
CN201104277Y (en) * 2007-11-07 2008-08-20 承奕科技股份有限公司 Attachment lens fixing structure of camera
CN101266326A (en) * 2006-09-13 2008-09-17 明基电通股份有限公司 Lens barrel group and lens device using same
CN101414038A (en) * 2007-10-16 2009-04-22 鸿富锦精密工业(深圳)有限公司 Lens component of projector

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002062466A (en) * 2000-08-22 2002-02-28 Sigma Corp Focusing mechanism
CN1495459A (en) * 2002-08-27 2004-05-12 ������������ʽ���� Lens drum with cam mechanism
CN101266326A (en) * 2006-09-13 2008-09-17 明基电通股份有限公司 Lens barrel group and lens device using same
CN101414038A (en) * 2007-10-16 2009-04-22 鸿富锦精密工业(深圳)有限公司 Lens component of projector
CN201104277Y (en) * 2007-11-07 2008-08-20 承奕科技股份有限公司 Attachment lens fixing structure of camera

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105227878A (en) * 2014-06-18 2016-01-06 中强光电股份有限公司 Projection arrangement, camera lens module and clamping structure
CN105227878B (en) * 2014-06-18 2018-10-26 中强光电股份有限公司 Projection arrangement, camera lens module and clamping structure
CN111308839A (en) * 2020-03-16 2020-06-19 管凯迎 Short-focus lens for projector
CN111308839B (en) * 2020-03-16 2021-10-12 宿州青智网络科技有限公司 Short-focus lens for projector

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