CN101414038A - Lens component of projector - Google Patents
Lens component of projector Download PDFInfo
- Publication number
- CN101414038A CN101414038A CNA2007102020758A CN200710202075A CN101414038A CN 101414038 A CN101414038 A CN 101414038A CN A2007102020758 A CNA2007102020758 A CN A2007102020758A CN 200710202075 A CN200710202075 A CN 200710202075A CN 101414038 A CN101414038 A CN 101414038A
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- Prior art keywords
- lens
- collar
- projector
- projection
- holding section
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Abstract
The invention discloses a projector lens component which comprises at least one lens group, a lens body with a connecting part and a lens collar. The lens group is accommodated in the lens body and the lens collar is sheathed on the connecting part of the lens body. At lest one projection is arranged on the outer surface of the connecting part of the lens body. The inner surface of the lens collar is provided with at least one bearing base, at least one guide slot and at least one clamping part matched with the projection. The corresponding guide slot is connected with the corresponding bearing base, and the corresponding clamping part is positioned in the corresponding guide slot. The corresponding bearing base, the corresponding guide slot and the corresponding clamping part form an accommodation space to accommodate the corresponding projection, the corresponding projection leans against the corresponding clamping part, and the lens body leans against the bearing base. The projector lens component accommodates the corresponding projection by the accommodation space formed by the corresponding bearing base, the corresponding guide slot and the corresponding clamping part so as to cause the lens body to be sheathed with the lens collar, which facilitates assembly of the projector lens component and improves the assembly efficiency.
Description
Technical field
The present invention relates to a kind of optical projection system, relate in particular to a kind of lens component of projector that is used for optical projection system.
Background technology
Flourish along with science and technology, shadow casting technique is increasingly mature, it is more and more wide that the application of projector also becomes, for example be applied to commercial fields such as frequent meeting explanation, touring displaying and advertising campaign, and be applied to education sectors such as school gives lessons, academic discussion, and be applied to family fields such as home theater.
Usually, projector comprises light supply apparatus, elements such as optic modulating device and lens component of projector.Wherein, lens component of projector comprises a camera lens body, and a lens collar that is sheathed on the camera lens body.Usually offer a threaded hole on the lens collar, and offer corresponding threaded hole on the camera lens body, screw passes lens collar upper screwed hole and camera lens body upper screwed hole successively and lens collar is sheathed on the camera lens body.In addition, the circular ring structure of some lens collar for disconnecting, two ends at gap all have outstanding card-tight part, all offer threaded hole on each card-tight part, and lens collar is centered around the threaded hole that the back is passed respectively on the card-tight part by screw on the camera lens body lens collar is locked on the camera lens body.
Yet above lens collar is sheathed on and has all adopted screw connecting mode on the camera lens body, and in assembling process, owing to will utilize specific purpose tool such as screwdriver, traditional screw connecting mode is unfavorable for promoting the work efficiency that the workman assembles lens component of projector.
Summary of the invention
In view of this, be necessary to provide the lens component of projector of the work efficiency of a kind of easy operation to improve assembling procedure.
A kind of lens component of projector, it comprises at least one lens set, the camera lens body with a connecting portion, and a lens collar.Described lens set is accommodated to the camera lens body.Described lens collar is sheathed on the connecting portion of described camera lens body.The connecting portion outside surface of described camera lens body is provided with at least one projection, and the inside surface of described lens collar is provided with at least one breasting platform, at least one guide channel and holding section that at least one matches with described projection.Described each guide channel is followed with corresponding breasting platform, and described each holding section is positioned at corresponding guide channel.The breasting platform of described correspondence, guide channel and holding section form a receiving space to accommodate corresponding projection.The projection of described correspondence is accepted with described corresponding holding section.Described camera lens body and described breasting platform are accepted.
Compared with prior art, the receiving space that described lens component of projector forms by breasting platform, guide channel and holding section is accommodated projection and is made lens collar be sheathed on the camera lens body, the lens component of projector assembling becomes easily, has improved the work efficiency of assembling procedure.
Description of drawings
Fig. 1 is the three-dimensional assembly diagram of first embodiment of the invention lens component of projector;
Fig. 2 is the three-dimensional exploded view of lens component of projector among Fig. 1;
Fig. 3 is along the schematic cross-section of III-III among Fig. 1;
Fig. 4 is the three-dimensional exploded view of second embodiment of the invention lens component of projector.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
First embodiment
See also Fig. 1 and Fig. 2, be the lens component of projector 100 of first embodiment of the invention, it comprises a camera lens body 10, at least one lens set 20, and a lens collar 30.Described at least one lens set 20 is accommodated to camera lens body 10, and described lens collar 30 is sheathed on the described camera lens body 10.Present embodiment is only enumerated the situation that lens component of projector 100 comprises a lens set 20, and certainly, in order to realize zoom, lens component of projector is not limited to present embodiment and has only a lens set, adopts a plurality of lens set usually.
Along projector's light path direction, described camera lens body 10 has a fixed part 12, a body 14 and a connecting portion 16 that is connected with described lens collar 30 successively.Have both wings 122,124 on the described fixed part 12, offer through hole 126,128 respectively on the described both wings 122,124, screw (figure does not show) passes through hole 126,128 lens component of projector 100 is fixed on the outside installation portion (figure does not show), and fixedly lens component of projector 100.Described connecting portion 16 has the periphery 162 and the end face vertical with optical axis OO ' 164 that extend along optical axis OO ' direction.Described periphery 162 is provided with six projections 166, described each projection 166 has a scarf 168, move closer to described optical axis OO ' center along the described scarf 168 of projector's light path direction, wherein, described optical axis OO ' center is consistent with lens collar 30 centers.
The inside surface of described lens collar 30 is provided with guide channel 34 and three holding sections 36 of matching with described projection 166 of a breasting platform 32, three and described projection 166 corresponding settings.Described breasting platform 32 is a ring texture that is surrounded on lens collar 30 inside surfaces, described breasting platform 32 with respect to lens collar 30 inside surfaces towards outstanding near lens collar 30 center positions.Described guide channel 34 is followed with described breasting platform 32, one second block 344 that described guide channel 34 has one first block 342 and is oppositely arranged with described first block 342, described first block 342 and second block 344 are outstanding towards the direction near lens collar 30 centers with respect to described lens collar 30 inside surfaces.First block 342 and holding section 36 along the ultimate range of lens collar 30 circumferencial directions less than the maximum length of each projection 166 along lens collar 30 circumferencial directions.Second block 344 and holding section 36 along the ultimate range of lens collar 30 circumferencial directions less than the maximum length of each projection 166 along lens collar 30 circumferencial directions.Described holding section 36 is positioned at described guide channel 34, and described holding section has a scarf 362, and described scarf 362 moves closer to the center of described lens collar 30 along projector light path side.Described breasting platform 32, guide channel 34 and holding section 36 form a receiving space 38 and are appreciated that to accommodate projection 166, the quantity of described projection 166 is not limited to six in the present embodiment, can be any number, lens collar 30 is sheathed on the connecting portion 16 of camera lens body 10 as long as projection 166 can be in approaching channel 34 matches with holding section 36.The quantity of guide channel 34 and holding section 36 also is not limited to three in the present embodiment, as long as guide channel 34 is corresponding with the quantity of holding section 36.The quantity of described breasting platform 32 also and be confined in the present embodiment one can be any number, if guarantee with each guide channel 34 then.
See also Fig. 2 and Fig. 3, when lens collar 30 was sheathed on the connecting portion 16 of camera lens body 10, projection 166 was positioned at receiving space 38, and projection 166 is accepted with holding section 36, and described end face 164 is accepted with breasting platform 32.First block 342 and second block 344 limit projection 166 with respect to lens collar 30 displacement along the circumferential direction, and projection 166 is limited with respect to the displacement of lens collar 30 along optical axis OO ' direction in breasting platform 32 and holding section 36.When therefore lens collar 30 rotated, projection 166 rotated along with the rotation of lens collar 30 with respect to described body 14, thereby projection 166 drives the regulatory function that described connecting portion 16 rotations realize projector lens 100.
Second embodiment
See also Fig. 4, be the lens component of projector 200 of second embodiment of the invention, the difference of the present embodiment and first embodiment is: the quantity of guide channel 34 ', holding section 36 and projection 166 is three.Described guide channel 34 ' is a groove, and described guide channel 34 ' has second side 344 ' and bottom surface 346 that is located between described first side 342 ' and the second side 344 ' that a first side 342 ', and described first side 342 ' are oppositely arranged.Described bottom surface 346 with respect to described lens collar 30 inside surfaces towards recessed away from the center position of lens collar 30.Described first side 342 ' and described holding section 36 along the ultimate range of lens collar 30 circumferencial directions less than the maximum length of described projection 166 along lens collar 30 circumferencial directions, described holding section 36 and described second side 344 ' along the ultimate range of lens collar 30 circumferencial directions less than the maximum length of described projection 166 along lens collar 30 circumferencial directions.When lens collar 30 is sheathed on the connecting portion 16 of camera lens body 10, limit projection 166 with respect to lens collar 30 displacement along the circumferential direction by first side 342 ' and second side 344 '.Described breasting platform 32 ' gets final product towards giving prominence near lens collar 30 center positions with respect to bottom surface 346.
Certainly, can be on the lens collar inside surface projection to be set, and corresponding guide channel is set that holding section and accept platform can be sheathed on lens collar on the camera lens body and can realize the camera adjusting function as long as can reach on the connecting portion of camera lens body.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change the protection domain that all should belong to claim of the present invention with distortion.
Claims (9)
- [claim 1] a kind of lens component of projector, it comprises at least one lens set, camera lens body with a connecting portion, and lens collar, described lens set is accommodated to the camera lens body, described lens collar is sheathed on the connecting portion of described camera lens body, it is characterized in that, the connecting portion outside surface of described camera lens body is provided with at least one projection, the inside surface of described lens collar is provided with at least one breasting platform, at least one guide channel, and at least one holding section of matching with described projection, described each guide channel and described breasting platform are then, described each holding section is positioned at corresponding guide channel, the breasting platform of described correspondence, guide channel, and the holding section forms a receiving space to accommodate a corresponding projection, the projection of described correspondence is accepted with described corresponding holding section, and described camera lens body and described breasting platform are accepted.
- [claim 2] lens component of projector as claimed in claim 1 is characterized in that, described holding section has a scarf, moves closer to the center of described lens collar along projector's described scarf of light path direction.
- [claim 3] lens component of projector as claimed in claim 1 is characterized in that, described projection has a scarf, moves closer to the center of described lens collar along projector's described scarf of light path direction.
- [claim 4] lens component of projector as claimed in claim 1 is characterized in that, described breasting platform is a ring texture that is convexly set in the lens collar inside surface.
- [claim 5] lens component of projector as claimed in claim 4 is characterized in that, described breasting platform with respect to described lens collar inside surface towards outstanding near the lens collar center position.
- [claim 6] lens component of projector as claimed in claim 1, it is characterized in that, described guide channel has one first block and second block that is oppositely arranged with described first block, described first block and second block with respect to described lens collar inside surface towards outstanding near the lens collar center position.
- [claim 7] lens component of projector as claimed in claim 1, it is characterized in that, described guide channel is a groove, described groove comprises second side and bottom surface that is located between first side and the second side that a first side, and first side are oppositely arranged, described bottom surface with respect to described lens collar inside surface towards recessed away from the lens collar center position.
- [claim 8] lens component of projector as claimed in claim 6, it is characterized in that, described holding section and described first block along the ultimate range of lens collar circumferencial direction less than the maximum length of described projection along the lens collar circumferencial direction, described holding section and described second block along the ultimate range of lens collar circumferencial direction less than the maximum length of described projection along the lens collar circumferencial direction.
- [claim 9] lens component of projector as claimed in claim 7, it is characterized in that, described holding section and described first side along the ultimate range of lens collar circumferencial direction less than the maximum length of described projection along the lens collar circumferencial direction, described holding section and described second side along the ultimate range of lens collar circumferencial direction less than the maximum length of described projection along the lens collar circumferencial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710202075A CN100582847C (en) | 2007-10-16 | 2007-10-16 | Projector lens assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710202075A CN100582847C (en) | 2007-10-16 | 2007-10-16 | Projector lens assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101414038A true CN101414038A (en) | 2009-04-22 |
| CN100582847C CN100582847C (en) | 2010-01-20 |
Family
ID=40594658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710202075A Expired - Fee Related CN100582847C (en) | 2007-10-16 | 2007-10-16 | Projector lens assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100582847C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102043221A (en) * | 2009-10-26 | 2011-05-04 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
| CN101819374B (en) * | 2010-01-19 | 2011-12-07 | 苏州佳世达光电有限公司 | Projection device |
| CN102053465B (en) * | 2009-11-10 | 2012-05-23 | 中强光电股份有限公司 | Projector and lens collar module thereof |
| CN103365050A (en) * | 2012-04-09 | 2013-10-23 | 中强光电股份有限公司 | Projection device, lens ring and assembling method of lens ring |
| CN105700275A (en) * | 2014-11-24 | 2016-06-22 | 鸿富锦精密工业(武汉)有限公司 | Projector |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2590310Y (en) * | 2002-12-31 | 2003-12-03 | 玉晶光电(厦门)有限公司 | Lens regulating device for back projection television |
| CN2653532Y (en) * | 2003-10-31 | 2004-11-03 | 立晶光电(厦门)有限公司 | Rear projection TV lens regulating structure |
| JP4674130B2 (en) * | 2005-07-21 | 2011-04-20 | 日東光学株式会社 | Lens holding unit |
| JP5065588B2 (en) * | 2005-11-22 | 2012-11-07 | オリンパス株式会社 | Lens barrel and lens barrel system |
-
2007
- 2007-10-16 CN CN200710202075A patent/CN100582847C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102043221A (en) * | 2009-10-26 | 2011-05-04 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
| CN102043221B (en) * | 2009-10-26 | 2013-08-28 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
| CN102053465B (en) * | 2009-11-10 | 2012-05-23 | 中强光电股份有限公司 | Projector and lens collar module thereof |
| CN101819374B (en) * | 2010-01-19 | 2011-12-07 | 苏州佳世达光电有限公司 | Projection device |
| CN103365050A (en) * | 2012-04-09 | 2013-10-23 | 中强光电股份有限公司 | Projection device, lens ring and assembling method of lens ring |
| CN103365050B (en) * | 2012-04-09 | 2015-07-08 | 中强光电股份有限公司 | Projection device, lens ring and assembling method of lens ring |
| CN105700275A (en) * | 2014-11-24 | 2016-06-22 | 鸿富锦精密工业(武汉)有限公司 | Projector |
| CN105700275B (en) * | 2014-11-24 | 2017-06-27 | 鸿富锦精密工业(武汉)有限公司 | Projecting apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100582847C (en) | 2010-01-20 |
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