CN204178105U - Lens position adjusting apparatus and possess the image documentation equipment of this device - Google Patents
Lens position adjusting apparatus and possess the image documentation equipment of this device Download PDFInfo
- Publication number
- CN204178105U CN204178105U CN201290001216.4U CN201290001216U CN204178105U CN 204178105 U CN204178105 U CN 204178105U CN 201290001216 U CN201290001216 U CN 201290001216U CN 204178105 U CN204178105 U CN 204178105U
- Authority
- CN
- China
- Prior art keywords
- lens
- elongated hole
- adjusting apparatus
- position adjusting
- pad
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/003—Alignment of optical elements
- G02B7/004—Manual alignment, e.g. micromanipulators
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/142—Adjusting of projection optics
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
The utility model provides a kind of lens position adjusting apparatus and possesses the image documentation equipment of this device, and wherein lens position adjusting apparatus structure is simple, and can carry out the adjustment of successional position and can carry out inching.Lens position adjusting apparatus comprises: framework (hood (2)); Adjustment, with parts (pad (5)), remains on hood (2); And lens carrier (4), be arranged on pad (5), and keep lens (3).Lens carrier (4) is installed in the mode can slided relative to pad (5), according to its installation site, the distance between the lens (3) that lens carrier (4) keeps and hood (2) changes continuously.
Description
Technical field
The present invention relates to a kind of lens position adjusting apparatus and the image documentation equipment such as the projector possessing this device.
Background technology
In the image documentation equipments such as projector, be provided with lens position adjusting apparatus (with reference to patent documentation 1 ~ 3) in order to built-in lens are configured at preposition accurately.Figure 11 ~ Figure 13 illustrates an example of lens position adjusting apparatus.As shown in Figure 11, Figure 12, lens 11 weld and apply and be fixed on lens carrier 12.The holding section 12a of lens carrier 12 engages with the hood 14 of the part as framework across one or more pad 13 (with reference to Figure 13).To holding section 12a be arranged at and be screwed into hood 14 along the elongated hole 12b in the direction orthogonal with the optical axis of lens 11 and notch 13a (with reference to Figure 13) the through screw 15 of pad 13, thus lens carrier 12 is fixed on hood 14.In this lens position adjusting apparatus, lens 11 are welded is applied to lens carrier 12, therefore, it is possible to adjust the position of lens 11 in the mobile range of lens carrier 12.On the direction that distance between lens 11 with hood 14 can not change, namely orthogonal with the optical axis of lens 11 and parallel with the surface of hood 14 direction (left and right directions), in the scope of movement in elongated hole 12b, can adjust the position of lens 11 and lens carrier 12 continuously at screw 15.On the other hand, that the distance between lens 11 and hood 14 changes, and the optical axis of lens 11 and the surface normal of hood 14 direction (above-below direction) on lens 11 and the position of lens carrier 12 adjust the quantity by changing the pad 13 between lens carrier 12 and hood 14 and carry out.
Prior art document
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2009-251207 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2002-189249 publication
Patent documentation 3: Japanese Unexamined Patent Publication 2000-330194 publication
Summary of the invention
The problem that invention will solve
In the lens adjusting device shown in above-mentioned Figure 11 ~ Figure 13, pass through the quantity of used pad 13 and carry out the position adjustment of the above-below direction of lens 11 and lens carrier 12, therefore can only carry out interim adjustment and can not inching be carried out.In addition, extract pad 13 owing to having to, therefore there is operation complexity and the problem of regulation time length.
As mentioned above, the lens position adjusting apparatus of the image documentation equipments such as projector has the multiple adjustment part such as the adjustment part of above-below direction and the adjustment part of left and right directions with the surface normal of the optical axis of lens and hood 14, therefore complex structure.In addition, particularly the adjustment part of above-below direction can only be carried out interim adjustment and can not carry out inching.
Therefore, the object of the invention is to, solve the above problems, provide a kind of structure simple and the adjustment of successional position can be carried out and the lens position adjusting apparatus of inching can be carried out and possess the image documentation equipment of this device.
For solving the technical scheme of problem
Lens position adjusting apparatus of the present invention comprises: framework; Adjustment parts, are held in this framework; And lens carrier, be installed on this adjustment parts, and keep lens.Described lens carrier is can install relative to the mode of described adjustment members slides, and according to its installation site, the distance of the described lens that described lens carrier keeps and described framework changes continuously.
Invention effect
According to the present invention, can to the lens being built in image documentation equipment easily and continuity carry out position adjustment and can inching be carried out, realize the simple lens position adjusting apparatus of structure and possess the image documentation equipment of this device.
Accompanying drawing explanation
Fig. 1 is the stereographic map of the framework that the major part forming image documentation equipment of the present invention is shown.
Fig. 2 is the stereographic map of the lens position adjusting apparatus that the first embodiment of the present invention is shown.
Fig. 3 is the cut-open view of the lens position adjusting apparatus shown in Fig. 2.
Fig. 4 is the amplification stereogram of the pad that the lens position adjusting apparatus shown in Fig. 1, Fig. 2 is shown.
Fig. 5 is the stereographic map of the lens position adjusting apparatus that the second embodiment of the present invention is shown.
Fig. 6 is the cut-open view of the lens position adjusting apparatus shown in Fig. 5.
Fig. 7 is the amplification stereogram of the adjustment platform that the lens position adjusting apparatus shown in Fig. 5, Fig. 6 is shown.
Fig. 8 is the amplification stereogram of the lens carrier that the lens position adjusting apparatus shown in Fig. 5, Fig. 6 is shown.
Fig. 9 is the cut-open view that erect state that direction elongated hole deviate from of rib from the adjustment platform shown in Fig. 7 of the hinge part that the lens carrier shown in Fig. 8 is shown.
Figure 10 is the stereographic map erecting the state of direction elongated hole that the rib of the hinge part that the lens carrier shown in Fig. 8 is shown is inserted into the adjustment platform shown in Fig. 7.
Figure 11 is the stereographic map of the lens position adjusting apparatus that correlation technique is shown.
Figure 12 is the cut-open view of the lens position adjusting apparatus shown in Figure 11.
Figure 13 is the amplification stereogram of the pad that the lens position adjusting apparatus shown in Figure 11, Figure 12 is shown.
Embodiment
Below, with reference to accompanying drawing, embodiments of the present invention are described.
Fig. 1 illustrates major part and the body of the projector of the example as image documentation equipment of the present invention, and this body comprises the framework, built-in or be attached to the optical elements such as the image formation component such as the light source (not shown), liquid crystal cell (not shown) of this framework, multiple lens and prism be made up of body base 1 and hood 2.Fig. 2, Fig. 3 illustrate the lens position adjusting apparatus of the lens 3 maintained in optical element.In the lens position adjusting apparatus shown in Fig. 2, Fig. 3, so that the mode of movement the pad 5 of the example as adjustment parts can be maintained on the hood 2 of the part as framework, pad 5 is provided with lens carrier 4.Further, pad 5 and lens carrier 4 are fixed on hood 2 by screw 8,9.Lens carrier 4 maintains lens 3.
As amplified illustratively in Fig. 4, the pad 5 of present embodiment has the dip plane 5a and constant height that change highly continuously and the thin tabular surface 5b of the thickest part of the thickness of slab of thickness ratio dip plane 5a.Dip plane 5a is provided with the moving direction elongated hole 5d that can insert for screw 8, tabular surface 5a is provided with the moving direction elongated hole 5c that can insert for screw 9.Moving direction elongated hole 5c and moving direction elongated hole 5d extends in the same direction, this direction is following direction: parallel with the optical axis direction (thickness direction) of lens 3 under the state being provided with lens carrier 4, and parallel with the direction of the height change of dip plane 5a.The rear side (downside of Fig. 3) of pad 5 is smooth and be positioned on the smooth surface of hood 2.Pad 5 can be held on hood 2 relative to the mode of lens carrier 4 movement, thus dip plane 5a can be changed, the position that abuts with abutting part and the corresponding tilt face 4c of the holding section 4b of lens carrier 4 described later.
Lens carrier 4 has: lens maintaining part 4a, keeps lens 3; And holding section 4b, in fact at right angles bend from lens maintaining part 4a and formed, engaging with hood 2 across pad 5.Further, the rear side of holding section 4b is provided with corresponding tilt face 4c, this corresponding tilt face 4c is as the abutting part abutted with the dip plane 5a of pad 5.The bracket side elongated hole 4d that can insert for screw 8 is formed at holding section 4b, this bracket side elongated hole 4d is relative with a part of the moving direction elongated hole 5d of the dip plane 5a of pad 5, and extends on the direction orthogonal with the bearing of trend of moving direction elongated hole 5c, 5d and the optical axis direction of lens 3.
The surface of hood 2 is placed with pad 5, and the moving direction elongated hole 5c of the through pad 5 of screw 9, is screwed into the not shown threaded hole of hood 2, thus on hood 2 setting-up piece 5.And, the dip plane 5a of pad 5 is placed with the corresponding tilt face 4c of the holding section 4b of lens carrier 4, the bracket side elongated hole 4d of holding section 4b of the through lens carrier 4 of the screw 8 and moving direction elongated hole 5d of the dip plane 5a of pad 5, be screwed into the not shown threaded hole of hood 2, thus lens carrier 4 is fixed on hood 2 across pad 5.
In the structure shown here, do not change with the distance between hood at lens 3, on orthogonal with the optical axis direction of lens 3 and parallel with the surface of hood 2 left and right directions, when adjusting the position of lens 3, under the state of screw 8 of relaxing, lens carrier 4 is moved in the lateral direction.So, to be held in bracket side elongated hole 4d and can in the scope of movement in bracket side elongated hole 4d at screw 8, lens carrier 4 is mobile along the length direction (left and right directions) of bracket side elongated hole 4d relative to hood 2.Therefore, it is possible to carry out the position adjustment of the left and right directions of the lens 3 kept on lens carrier 4.In addition, in the example shown in Fig. 2, a pair directing pin 2a being arranged at hood 2 is inserted in elongated hole 4d in the both sides of screw 8, and therefore the directed pin 2a of lens carrier 4 movement in the lateral direction guides and moves in parallel.
In addition, when adjusting the position of lens 3 on the above-below direction of the surface normal of the optical axis direction and hood 2 with lens 3, under the state of screw 8,9 of relaxing, to remain in moving direction elongated hole 5c, 5d at screw 8,9 and can in the scope of movement in moving direction elongated hole 5c, 5d, make pad 5 upper mobile at length direction (optical axis directions of lens 3).When pad 5 moves, lens carrier 4 carries out relative movement relative to pad 5, slides on the 5a of dip plane to make corresponding tilt face 4c.By this slip, the position (lens carrier 4 is relative to the installation site of pad) abutted with the corresponding tilt face 4c of lens carrier 4 of the dip plane 5 of pad 5 changes.That is, the height change of the dip plane 5 of the pad 5 in the part abutted with the corresponding tilt face 4 of lens carrier 4.This means, lens carrier 4 changes continuously relative to the position of the above-below direction of hood 2, and correspondingly, the distance be held between the lens 3 of lens carrier 4 and hood 2 changes continuously.Thus, the position adjustment of the above-below direction of lens 3 is carried out.In addition, the slip of screw 8 in moving direction elongated hole 5d and the slip of screw 9 in moving direction elongated hole 5c are carried out simultaneously, and therefore the movement of pad 5 and lens carrier 4 movement vertically move in parallel.
When after the position adjustment completing left and right directions and above-below direction in the above described manner, trip bolt 8, the 9 and lens carrier 4 maintaining lens 3 is fixed on hood 2.
As mentioned above, according to the present embodiment, by the slip in moving direction elongated hole 5c, 5d of slip on the 5a of dip plane of the corresponding tilt face 4c that realized relative to the relative movement of pad 5 by lens carrier 4 and screw 8,9 and the slip of screw 8 in bracket side elongated hole 4d, carry out the position adjustment of lens 3 on left and right directions and above-below direction, therefore, it is possible to carry out the adjustment of successional position.Owing to not needing to change the quantity of pad 5, therefore do not need to extract pad 5, operation easily and can complete with the shorter activity duration.In addition, form position regulator mainly through the bracket side elongated hole 4d of moving direction elongated hole 5c, 5d of pad 5 and dip plane 5a, lens carrier 4 and corresponding tilt face 4c and screw 8,9, therefore structure is very simple.
Then, the lens position adjusting apparatus of other embodiments of the present invention is described.
In the lens position adjusting apparatus shown in Fig. 5 ~ Fig. 6, as adjustment parts, replace pad 5 and make adjustment platform 6 (with reference to Fig. 7) between hood 2 and lens carrier 7.Adjustment platform 6 has by the planar portions 6a on the smooth surface being positioned over hood 2 and and that upward extend rising portions 6b formed L-shaped shape at right angles bending from planar portions 6a.Planar portions 6a is provided with horizontal elongated hole 6c, and this horizontal elongated hole 6c orthogonal and orthogonal with the optical axis of lens 3 left and right directions in direction extending with described later erecting and can insert for screw 10.Rising portions 6b is provided with erect direction (above-below direction) upper extend erect direction elongated hole 6d.
The lens carrier 7 (with reference to Fig. 8) of present embodiment has can the hinge part 7a of displacement, and this hinge part 7a has rib 7b and engaging portion 7c.The rib 7b being arranged at hinge part 7a be inserted into the rising portions 6b of adjustment platform 6 upper set by erect in the elongated hole 6d of direction.Engaging portion 7c engages with the dual-side of rising portions 6b, thus lens carrier 7 is installed on adjustment platform 6 in the mode that can slide.
In the structure shown here, when adjusting the position on the indeclinable left and right directions of the distance of lens 3 between lens 3 and hood, under the state of the screw 10 relaxing through horizontal elongated hole 6c, lens carrier 7 is moved in the lateral direction.So, to be held in horizontal elongated hole 6c at screw 10 and can in the scope of movement in horizontal elongated hole 6c, lens carrier 7 moves in the lateral direction relative to hood 2, can adjust the position of the left and right directions of the lens 3 be held on lens carrier 4.In addition, a pair directing pin 2a being arranged at hood 2 is inserted in elongated hole 6c in the both sides of screw 10, and the directed pin 2a of lens carrier 7 movement in the lateral direction guides and moves in parallel.
When position on the above-below direction to lens 3 adjusts, as shown in Figure 9, under the state that the elongated hole 6d making the rib 7b of hinge part 7a from adjustment platform 6 deviates from, lens carrier 7 and above-below direction (erecting direction) are slided abreast along rising portions 6b.Further, make hinge part 7a be displaced to desired installation site, and as shown in Fig. 5, Fig. 6, Figure 10 rib 7b is pressed into erects in the elongated hole 6d of direction and be fixed.Under the state that the engaging portion 7c by claw-like clamps rising portions 6b, rib 7b is pressed into and erects in the elongated hole 6d of direction, thus lens carrier 7 is fixed on the position of adjustment desired by platform 6.Due to rib 7b can both be pressed in which part erecting direction elongated hole 6d, therefore according to its installation site, the distance be held between the lens 3 of lens carrier 4 and hood 2 can be changed continuously.Thus, lens carrier 4 and lens 3 position relative to the above-below direction of hood 2 is specified.In the example shown in Fig. 7, Figure 10, be provided with and erect direction elongated hole 6d and a pair rib 7b for a pair, therefore lens carrier 7 movement vertically moves in parallel.
When after the position adjustment completing left and right directions and above-below direction in the above described manner, trip bolt 10, is fixed on hood 2 by the lens carrier 7 maintaining lens 3.
In the present embodiment, by the slip of screw 10 in horizontal elongated hole 6c and lens carrier 7 along the slip of rising portions 6b and rib 7b to the insertion of desired locations erecting direction elongated hole 6d, carry out lens 3 to adjust, therefore, it is possible to carry out the adjustment of successional position in the position of left and right directions and above-below direction.Lens 3 position adjustment operation be easier to and the activity duration shorter.In addition, mainly through having horizontal elongated hole 6c and erecting the adjustment platform 6 of direction elongated hole 6d, the hinge part 6a with the rib 7b of lens carrier 7 and screw 10 to form position regulator, therefore structure is very simple.
Label declaration
1 body base (framework)
2 hoods (framework)
3 lens
4,7 lens carriers
4b holding section
4c corresponding tilt face (abutting part)
4d bracket side elongated hole
5 pads (adjustment parts)
5a dip plane
5c, 5d moving direction elongated hole
6 adjustment platform (adjustment parts)
6a planar portions
6b rising portions
The horizontal elongated hole of 6c
6d erects direction elongated hole
7a hinge part
7b rib
8,9,10 screws
Claims (9)
1. a lens position adjusting apparatus, comprising:
Framework;
Adjustment parts, are held in this framework; And
Lens carrier, is installed on this adjustment parts, and keeps lens,
Described lens carrier is can install relative to the mode of described adjustment members slides, and according to its installation site, the distance of the described lens that described lens carrier keeps and described framework changes continuously.
2. lens position adjusting apparatus according to claim 1, wherein,
Described adjustment parts are the mode of movement can remain on pad in described framework, to have the dip plane changed highly continuously,
Described lens carrier has holding section, this holding section comprises the abutting part abutted with a part for the described dip plane of described pad, this holding section engages with described framework across described pad, by the movement of described pad in described framework, described lens carrier can carry out relative movement in the mode making described abutting part slide on described dip plane relative to described pad.
3. lens position adjusting apparatus according to claim 2, wherein,
The described abutting part of described lens carrier is the corresponding tilt face corresponding with the described dip plane of described pad.
4. lens position adjusting apparatus according to claim 2, wherein,
Described pad has the moving direction elongated hole extended on the direction that the direction of the height change with described dip plane is parallel, and can move abreast with this moving direction elongated hole,
Described lens carrier is provided with bracket side elongated hole, and this bracket side elongated hole is relative with a part for the described moving direction elongated hole of described pad, and extends on the direction orthogonal and orthogonal with the optical axis of described lens with described moving direction elongated hole,
Described lens position adjusting apparatus also has screw, the described moving direction elongated hole of the through described pad of this screw and the described bracket side elongated hole of described lens carrier and be screwed in described framework.
5. lens position adjusting apparatus according to claim 4, wherein,
Under the state of described screw of relaxing, described screw remains in described moving direction elongated hole and described pad can move along the length direction of described moving direction elongated hole, and described screw to remain in described bracket side elongated hole and described lens carrier can move along the length direction of described bracket side elongated hole simultaneously.
6. lens position adjusting apparatus according to claim 1, wherein,
Described adjustment parts have the planar portions be placed in described framework and the rising portions bending from described planar portions and extend, and are be provided with erecting the adjustment platform erecting direction elongated hole that direction extends on described rising portions,
Described lens carrier has can the hinge part of displacement, this hinge part possesses the rib inserting and to erect described in described adjustment platform in the elongated hole of direction, at described rib from erecting state that direction elongated hole deviates from described in described adjustment platform, described lens carrier can slide along described rising portions abreast with the described direction that erects.
7. lens position adjusting apparatus according to claim 6, wherein,
The described planar portions of described adjustment platform is provided with horizontal elongated hole, this horizontal elongated hole is extending with described erecting on orthogonal and orthogonal with the optical axis of described lens direction, direction, described lens position adjusting apparatus also has screw, the described horizontal elongated hole of the through described adjustment platform of this screw and being screwed in described framework.
8. lens position adjusting apparatus according to claim 7, wherein,
Under the state of described screw of relaxing, described screw remains in described horizontal elongated hole, and described adjustment platform can move along the length direction of described horizontal elongated hole.
9. an image documentation equipment, comprising:
Lens position adjusting apparatus according to claim 1;
Light source; And
Image formation component between described light source and described lens.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2012/055686 WO2013132595A1 (en) | 2012-03-06 | 2012-03-06 | Lens position adjustment device and video device equipped with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204178105U true CN204178105U (en) | 2015-02-25 |
Family
ID=49116111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201290001216.4U Expired - Fee Related CN204178105U (en) | 2012-03-06 | 2012-03-06 | Lens position adjusting apparatus and possess the image documentation equipment of this device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204178105U (en) |
| WO (1) | WO2013132595A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106842780A (en) * | 2017-02-24 | 2017-06-13 | 苏州佳世达光电有限公司 | Position adjustment module and projection arrangement |
| WO2021017659A1 (en) * | 2019-07-31 | 2021-02-04 | 广州市浩洋电子股份有限公司 | Stage lamp light path adjusting structure and stage lamp having same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6289637U (en) * | 1985-11-27 | 1987-06-08 | ||
| WO1992015041A1 (en) * | 1991-02-22 | 1992-09-03 | Seiko Epson Corporation | Projection-type liquid crystalline projector |
| JP2005274703A (en) * | 2004-03-23 | 2005-10-06 | Seiko Instruments Inc | Lens barrel |
| JP2007041529A (en) * | 2005-06-30 | 2007-02-15 | Konica Minolta Opto Inc | Method for manufacturing projection optical system and projection optical system |
| JP5691257B2 (en) * | 2010-06-22 | 2015-04-01 | セイコーエプソン株式会社 | projector |
-
2012
- 2012-03-06 CN CN201290001216.4U patent/CN204178105U/en not_active Expired - Fee Related
- 2012-03-06 WO PCT/JP2012/055686 patent/WO2013132595A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106842780A (en) * | 2017-02-24 | 2017-06-13 | 苏州佳世达光电有限公司 | Position adjustment module and projection arrangement |
| WO2021017659A1 (en) * | 2019-07-31 | 2021-02-04 | 广州市浩洋电子股份有限公司 | Stage lamp light path adjusting structure and stage lamp having same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013132595A1 (en) | 2013-09-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20210306 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |