CN103716570B - A kind of lens adjusting apparatus and projector - Google Patents
A kind of lens adjusting apparatus and projector Download PDFInfo
- Publication number
- CN103716570B CN103716570B CN201310560663.4A CN201310560663A CN103716570B CN 103716570 B CN103716570 B CN 103716570B CN 201310560663 A CN201310560663 A CN 201310560663A CN 103716570 B CN103716570 B CN 103716570B
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- China
- Prior art keywords
- lens
- fixing base
- adjusting apparatus
- fixed mount
- set screw
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Abstract
The embodiment of the present invention provides a kind of lens adjusting apparatus and projector, and this lens adjusting apparatus includes: lens fixing base, fixed mount, Flexible Connector and at least two have the set screw of cam face nut；Wherein, described lens fixing base and fixed mount are drawn nearer one another by described Flexible Connector by elastic force, described set screw is bolted on described fixed mount, the cam contour face of the nut of described set screw offsets towards the one side of described fixed mount with described lens fixing base, by rotating the cam face nut of described set screw, to promote described lens fixing base to deflect.The embodiment of the present invention can reduce the space size occupied by lens adjusting apparatus.
Description
Technical field
The present invention relates to camera lens field, particularly relate to a kind of lens adjusting apparatus and projector.
Background technology
In the optical field needing use camera lens, it is frequently necessary to adjust the direction of camera lens, such as, use DMD
Projector in, need adjust camera lens direction so that camera lens is parallel with DMD.
Fig. 1 shows the schematic diagram of a kind of lens adjusting apparatus of the prior art, this lens adjusting apparatus bag
Including lens fixing base 11, fixed plate 12 and set screw 14, lens fixing base 11 is by Spring screws 13
Being pressed towards fixed plate 12, set screw 14 is arranged in fixed plate 12, to regulate the side of lens fixing base 11
To, and then realize the direction of the camera lens that regulation is fixedly mounted in lens fixing base 11 so that camera lens and DMD
15 is parallel.
Although the lens adjusting apparatus shown in Fig. 1 is capable of the adjustment of lens direction, but set screw
The direction that moving direction is promoted with lens fixing base 11 is identical, and this makes occupying of whole lens adjusting apparatus
Space relatively big, be unfavorable for the space configuration of other parts.
Summary of the invention
It is an object of the invention to provide a kind of lens adjusting apparatus and projector, it is possible to reduce the space occupied
Size.
One aspect of the present invention provides a kind of lens adjusting apparatus, including: lens fixing base, fixed mount, elasticity
Connector and at least two have the set screw of cam face nut；
Wherein, described lens fixing base and fixed mount are drawn nearer one another by described Flexible Connector by elastic force,
Described set screw is bolted on described fixed mount, and the cam contour face of the nut of described set screw is with described
Lens fixing base offsets towards the one side of described fixed mount, by rotating the cam face spiral shell of described set screw
Cap, to promote described lens fixing base to deflect.
In a preferred embodiment, the angular speed direction in described set screw rotary course is perpendicular to institute
State the moving direction of lens fixing base.
In a preferred embodiment, the cam face nut surface formation polygon of described set screw is recessed
Groove or polygonal hole.
In a preferred embodiment, the position described fixed mount being spirally connected with described set screw has
For housing the storage tank of the cam face nut of described set screw.
In a preferred embodiment, described Flexible Connector is Spring screws, and described Spring screws passes
Described lens fixing base, is bolted on described fixed mount.
In a preferred embodiment, described lens fixing base includes the lens barrel with flange arrangement.
In a preferred embodiment, described fixed mount has a cavity, described fixed mount and described camera lens
The through hole connected with described cavity is formed, so that light is fixed from described camera lens in the one side that fixing seat is mutually close
Enter to inject in described cavity after camera lens transmission fixing in seat, the inwall for receiving incident light of described cavity
For arranging digital micro-mirror.
In a preferred embodiment, described fixed mount also has along perpendicular with described light direction
Two perforates running through of direction.
In a preferred embodiment, the screw rod of described set screw is reinforced at described fixed mount by a glue
On the position that is spirally connected.
Another aspect of the present invention also provides for a kind of projector, including above-mentioned lens adjusting apparatus.
Compared with prior art, as the set screw of adjusting means in the lens adjusting apparatus in the present embodiment
Angular velocity of rotation direction be perpendicular to the plane of nut of this set screw, be also perpendicular to lens fixing base
Moving direction, therefore can save the space occupied by whole device, it is simple to the space configuration of other parts.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of lens adjusting apparatus in prior art；
The schematic diagram at one visual angle of one embodiment of the lens adjusting apparatus that Fig. 2 provides for the present invention；
Fig. 3 is the schematic diagram at another visual angle of lens adjusting apparatus in Fig. 2；
Fig. 4 is the schematic diagram at another visual angle of lens adjusting apparatus in Fig. 2；
The schematic diagram of another embodiment of the lens adjusting apparatus that Fig. 5 provides for the present invention；
Fig. 6 is the schematic diagram at another visual angle of lens adjusting apparatus in Fig. 5；
Fig. 7 is the schematic diagram at another visual angle of lens adjusting apparatus in Fig. 5.
Detailed description of the invention
For making the purpose of the present invention, structure, feature and function thereof are had further understanding, hereby coordinate reality
Execute example and describe in detail as follows.
Fig. 2 shows the schematic diagram at a visual angle of an embodiment of the lens adjusting apparatus that the present invention provides,
Fig. 3 shows the schematic diagram at another visual angle of lens adjusting apparatus in Fig. 2, and Fig. 4 shows mirror in Fig. 2
The schematic diagram at another visual angle of head adjusting apparatus, wherein invisible lines in Fig. 4 reality shown in broken lines.
The most referring also to Fig. 2 to Fig. 4, the lens adjusting apparatus in the present embodiment includes lens fixing base 21, fixes
Frame 22, Flexible Connector 23 and two set screw 24 with cam face nut.
Lens fixing base 21 is for being fitted into camera lens and being fixed, in the present embodiment especially, and camera lens
Fixing seat 21 includes the lens barrel with flange arrangement.
Lens fixing base 21 and fixed mount 22 are drawn nearer one another by Flexible Connector 23 by elastic force, are not having
Under the effect of other external force, lens fixing base 21 and fixed mount 22 can be moved to be in by Flexible Connector 23
Position intimate contact with one another.In Fig. 2 to Fig. 4, Flexible Connector 23 is specially Spring screws, this bullet
Spring screw is through lens fixing base 21 and is bolted on fixing seat 22.Those skilled in the art should be able to manage
Solving, Flexible Connector 23 is not limited to this kind of concrete structure, is not limited thereto in the present embodiment.
Set screw 24 is bolted on fixed mount 22, and set screw 24 includes that nut 241 and screw rod 242(are shown in
Fig. 4), wherein, nut 241 has a cam face, and the cam contour face of nut 241 and lens fixing base
21 offset towards the one side of fixed mount 22, and the cam contour of nut 241 applies in the face of lens fixing base 21
The pulling force that thrust will overcome Flexible Connector 23 to be applied lens fixing base 21 so that lens fixing base 21
Maintain current location.Owing to the nut 241 of set screw 24 is cam face, therefore regulated by rotation
The cam face nut 241 of screw 24, can promote lens fixing base 21 to deflect.In the present embodiment,
The number of set screw 24 is two, by regulating the anglec of rotation of the two set screw 24, base respectively
Originally can realize regulating in all directions the deflection angle of lens fixing base 21.
In practice, in order to more easily rotate set screw 24, in a preferred embodiment, can be by
The part surface of rotation set screw 24 is designed as the surface with bigger coefficient of friction, and such user can be led to
Cross this part of finger rubbing and there is the surface of bigger coefficient of friction to rotate set screw 24.An embodiment
In, the surface of this bigger coefficient of friction can be the surface of indentation.
In order to adapt to lens adjusting apparatus needs in practice, have in fixed mount 22 cavity 221,
The one side that fixed mount 22 is mutually close with lens fixing base 21 is formed at the through hole that this cavity 221 is connected,
So that entering to inject this cavity 221 after the camera lens transmission fixing in lens fixing base 21 of light.In practice,
For using the optical projection system of DLP technology, permissible for receiving the inwall 222 of incident light in this cavity 221
For arranging digital micro-mirror (DMD) 25.In order to enable treated light in cavity 221 to penetrate
Fixed mount 22, this fixed mount 21 also has two perforates run through along the direction that light direction is perpendicular.
In the present embodiment, after rotating set screw 24 every time, screw thread based on screw rod 242, set screw
24 can be maintained at current position.Additionally, for the steadiness increasing set screw 24 further,
In practice, lens fixing base 21 is being made to deflect into the position of pre-provisioning request by rotation set screw 24
After can be reinforced by the position that set screw 24 and fixed mount 22 are spirally connected by mode for dispensing glue.
As the angular velocity of rotation direction of set screw of adjusting means in lens adjusting apparatus in the present embodiment
It is perpendicular to the plane of the nut of this set screw, is also perpendicular to the moving direction of lens fixing base, therefore may be used
To save the space occupied by whole device, it is simple to the space configuration of other parts.
Fig. 5 shows the schematic diagram of another embodiment of the lens adjusting apparatus that the present invention provides, and Fig. 6 shows
Having gone out the schematic diagram at another visual angle of lens adjusting apparatus in Fig. 5, Fig. 7 shows that in Fig. 5, camera lens adjusts
The schematic diagram at another visual angle of device, wherein show in phantom invisible lines in reality in Fig. 7.
The most referring also to Fig. 5 to Fig. 7, the lens adjusting apparatus in the present embodiment includes lens fixing base 21, fixes
Frame 22 ', Flexible Connector 23 and two set screw 24 ' with cam face nut.Shown in Fig. 2
Lens adjusting apparatus different, the lens adjusting apparatus in the present embodiment is provided with groove 26 on fixed mount 22 '.
Specifically, lens fixing base 21 and fixed mount 22 ' are drawn nearer one another by Flexible Connector 23 by elastic force,
Under the effect not having other external force, lens fixing base 21 and fixed mount 22 ' can be drawn by Flexible Connector 23
To being in position intimate contact with one another.
Set screw 24 ' is bolted on fixed mount 22 ', and set screw 24 ' includes nut 241 ' and screw rod 242 '
(see figure 4), wherein, nut 241 ' has cam face, and the cam contour face of nut 241 ' is solid with camera lens
Reservation 21 offsets towards the one side of fixed mount 22 ', and the cam contour of nut 241 ' is executed in the face of lens fixing base 21
The pulling force that the thrust added will overcome Flexible Connector 23 to be applied lens fixing base 21 so that camera lens is fixed
Seat 21 maintains current location.Owing to the nut 241 ' of set screw 24 ' is cam face, therefore by turning
The cam face nut 241 ' of dynamic set screw 24 ', can promote lens fixing base 21 to deflect.At this
In embodiment, the number of set screw 24 ' is two, by regulating the rotation of the two set screw 24 ' respectively
Gyration, can realize regulating in all directions the deflection angle of lens fixing base 21 substantially.On fixed mount 22 '
The position being spirally connected with set screw 24 ' has the cam face nut 241 ' for housing this set screw 24 '
Storage tank 26, thus can make full use of space.
Additionally, in the present embodiment, in order to more easily rotate set screw 24 ', in set screw 24 '
Polygonal grooves 243 ', in Fig. 5 to Fig. 7, this polygonal grooves 243 ' is formed on the surface of nut 241 '
For rectangular recess, but the present embodiment is not limited.The spanner of coupling is inserted this polygonal grooves 243 '
In and rotate, can rotate set screw 24 ' with comparalive ease, and then convenient regulation lens fixing base 21
Deflection angle.Additionally, above-mentioned polygonal grooves 243 ' may be replaced by polygonal hole, this polygonal hole is passed through
Wear nut 241 ' and the screw rod 242 ' of set screw 24 '.
The present invention also system one projector accordingly, this projector includes that the camera lens in each embodiment above-mentioned is adjusted
Engagement positions.
The present invention is been described by by above-mentioned related embodiment, but above-described embodiment is only and implements the present invention's
Example.It must be noted that, the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, not
The change made in departing from the spirit and scope of the present invention and retouching, all belong to the scope of patent protection of the present invention.
Claims (10)
1. a lens adjusting apparatus, it is characterised in that including: lens fixing base, fixed mount, elastic connection
Part and at least two have the set screw of cam face nut；
Wherein, described lens fixing base and fixed mount are drawn nearer one another by described Flexible Connector by elastic force,
Described set screw is bolted on described fixed mount, and the cam contour face of the nut of described set screw is with described
Lens fixing base offsets towards the one side of described fixed mount, by rotating the cam face spiral shell of described set screw
Cap, to promote described lens fixing base to deflect.
2. lens adjusting apparatus as claimed in claim 1, it is characterised in that described set screw rotary course
In angular speed direction be perpendicular to the moving direction of described lens fixing base.
3. lens adjusting apparatus as claimed in claim 1, it is characterised in that the cam shape of described set screw
Shape nut surface forms polygonal grooves or polygonal hole.
4. lens adjusting apparatus as claimed in claim 1, it is characterised in that with described tune on described fixed mount
The position that joint screw is spirally connected has the storage tank of the cam face nut for housing described set screw.
5. lens adjusting apparatus as claimed in claim 1, it is characterised in that described Flexible Connector is spring
Screw, described Spring screws passes described lens fixing base, is bolted on described fixed mount.
6. lens adjusting apparatus as claimed in claim 1, it is characterised in that described lens fixing base includes tool
There is the lens barrel of flange arrangement.
7. lens adjusting apparatus as claimed in claim 1, it is characterised in that described fixed mount has a cavity,
The through hole connected with described cavity is formed in the one side that described fixed mount is mutually close with described lens fixing base, so that
Enter to inject in described cavity after the camera lens transmission that light is fixing in described lens fixing base, being used for of described cavity
The inwall receiving incident light is used for arranging digital micro-mirror.
8. lens adjusting apparatus as claimed in claim 7, it is characterised in that described fixed mount also have along with
Two perforates that perpendicular direction, described light direction is run through.
9. lens adjusting apparatus as claimed in claim 1, it is characterised in that reinforce described regulation by a glue
The screw rod of the screw position that is spirally connected on described fixed mount.
10. a projector, it is characterised in that include mirror as in one of claimed in any of claims 1 to 9
Head adjusting apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310560663.4A CN103716570B (en) | 2013-11-12 | 2013-11-12 | A kind of lens adjusting apparatus and projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310560663.4A CN103716570B (en) | 2013-11-12 | 2013-11-12 | A kind of lens adjusting apparatus and projector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103716570A CN103716570A (en) | 2014-04-09 |
| CN103716570B true CN103716570B (en) | 2016-09-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310560663.4A Expired - Fee Related CN103716570B (en) | 2013-11-12 | 2013-11-12 | A kind of lens adjusting apparatus and projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103716570B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3853023A4 (en) * | 2018-09-18 | 2022-06-22 | Skyphos Industries, Inc. | A suspension system for adjusting projected light images |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205539886U (en) * | 2016-01-27 | 2016-08-31 | 深圳市光峰光电技术有限公司 | Camera lens fixed knot of projector constructs and uses its ultrashort burnt projector |
| CN106842780B (en) * | 2017-02-24 | 2018-11-09 | 苏州佳世达光电有限公司 | Position adjusts module and projection arrangement |
| CN109901349A (en) * | 2017-12-11 | 2019-06-18 | 深圳光峰科技股份有限公司 | Camera lens adjusting-fixing structure and projection device |
| CN113109985B (en) * | 2020-01-09 | 2022-07-22 | 苏州佳世达光电有限公司 | Lens adjusting device and projector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1749844A (en) * | 2004-09-15 | 2006-03-22 | 台达电子工业股份有限公司 | Optical projection display device and its assembling method |
| CN1808200A (en) * | 2005-01-19 | 2006-07-26 | 明基电通股份有限公司 | Projection apparatus and its lens adjusting mechanism |
| CN201974621U (en) * | 2010-11-30 | 2011-09-14 | 日立数字映像(中国)有限公司 | Device for finely adjusting lens of projector |
| CN102566228A (en) * | 2012-01-17 | 2012-07-11 | 苏州佳世达光电有限公司 | Projector device |
| CN103034026A (en) * | 2011-09-29 | 2013-04-10 | 索尼公司 | Lens position adjusting mechanism and projection device with same |
-
2013
- 2013-11-12 CN CN201310560663.4A patent/CN103716570B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1749844A (en) * | 2004-09-15 | 2006-03-22 | 台达电子工业股份有限公司 | Optical projection display device and its assembling method |
| CN1808200A (en) * | 2005-01-19 | 2006-07-26 | 明基电通股份有限公司 | Projection apparatus and its lens adjusting mechanism |
| CN201974621U (en) * | 2010-11-30 | 2011-09-14 | 日立数字映像(中国)有限公司 | Device for finely adjusting lens of projector |
| CN103034026A (en) * | 2011-09-29 | 2013-04-10 | 索尼公司 | Lens position adjusting mechanism and projection device with same |
| CN102566228A (en) * | 2012-01-17 | 2012-07-11 | 苏州佳世达光电有限公司 | Projector device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3853023A4 (en) * | 2018-09-18 | 2022-06-22 | Skyphos Industries, Inc. | A suspension system for adjusting projected light images |
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| Publication number | Publication date |
|---|---|
| CN103716570A (en) | 2014-04-09 |
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Granted publication date: 20160907 Termination date: 20181112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |