CN113740986B - Three-dimensional optical adjusting mirror frame - Google Patents
Three-dimensional optical adjusting mirror frame Download PDFInfo
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- CN113740986B CN113740986B CN202110906660.6A CN202110906660A CN113740986B CN 113740986 B CN113740986 B CN 113740986B CN 202110906660 A CN202110906660 A CN 202110906660A CN 113740986 B CN113740986 B CN 113740986B
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- hole
- adjusting
- elastic pressing
- lens
- pressing sheet
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
Abstract
A three-dimensional optical adjusting mirror frame comprises a three-dimensional optical adjusting mirror frame body and comprises a mirror frame seat, an elastic pressing sheet, a plurality of fixing screws, three adjusting screws and two steel balls, wherein three fixing small claws are cut in the circumferential direction of the elastic pressing sheet. When the angle of the lens is adjusted, the front end of the lens is supported by three fixed small claws of the elastic pressing sheet, the ball head of the adjusting screw is propped against the lens, and the two-dimensional angle and the front-back translation of the lens are adjusted through the front-back movement of the adjusting screw. The invention has the characteristic of compact structure, does not have a middle movable mirror frame, and is suitable for the adjustment of optical elements with small space and high adjustment precision in an optical path.
Description
Technical Field
The invention relates to an adjusting frame for adjusting the posture and the position of an optical element, in particular to a three-dimensional optical adjusting mirror frame.
Background
In the light path adjustment, an optical element is generally arranged in two plate type adjusting frames, the displacement adjustment of two angles and the displacement adjustment of the optical axis direction are completed by the driving adjustment of precise threads, and three driving threads of the two plate type adjusting frames are distributed in a right angle; the mechanism lens is placed in a movable lens frame, the lens frame and a lens base are separated, and the structure size is relatively large.
The prior patent document with publication number CN2577407 discloses a gimbal fine adjustment frame, three rings with wedges are respectively responsible for adjusting three-dimensional angles, and lenses are placed in the smallest ring, because each dimension of adjustment structure is independent and separate, the number of internal parts is large, and the structure is complex. Publication number CN103984075 discloses a two-dimensional angle adjusting frame, which uses a two-dimensional flexible hinge to improve the rigidity of adjustment, but the whole structure is still a traditional two-plate structure, one fixing plate and one adjusting plate, and the lens is arranged on the adjusting plate, so that the size is large.
Disclosure of Invention
The invention aims to provide a three-dimensional optical adjustment spectacle frame, wherein lenses are placed on two steel balls on the circumference of the lower part, the lenses are fixed at the front ends by utilizing elastic pressing sheets, and the lenses are pushed by adjusting screws to complete angle and front-back displacement.
The technical solution of the invention is as follows:
the utility model provides a three-dimensional optical adjustment mirror holder, includes mirror holder seat, elasticity preforming, a plurality of fixed screw, three adjusting screw to and two steel balls, its characteristics lie in: the upper part of the lens frame seat is provided with a middle light through hole, and a plurality of fixing screw holes are uniformly distributed along the circumference of the middle light through hole, so that the fixing screws fix the elastic pressing sheet through the fixing screw holes; the outer circumference of the middle light through hole is provided with a coaxial stepped hole for placing a lens, the stepped part of the stepped hole is provided with a plurality of bulges and screw holes which are uniformly distributed, and the adjusting screw is matched with the screw holes and is used for adjusting the position of an optical element; two circular arc bosses are symmetrically distributed on the lower half circumference of the stepped hole, circular holes are formed in the circular arc bosses, the steel balls can be placed in the circular holes, and the steel balls can protrude out of circular arcs of the circular arc bosses;
the elastic pressing sheet is annular, the inner diameter of the elastic pressing sheet is matched with the outer diameter of the middle light through hole, a plurality of small protruding claws are uniformly distributed on the outer edge of the inner circumference of the annular, the protruding ends of all the small protruding claws extend to the center of the annular, and arc grooves are cut in the annular position corresponding to the small protruding claws for increasing the elasticity of the small protruding claws and realizing front and back elastic movement.
Preferably, the lower part of the lens frame seat is provided with a rectangular hole which is communicated with the front and the back, the two ends of the bottom of the lens frame seat are provided with an installation through hole which is communicated up and down, and a threaded hole which is communicated with the front and the back is communicated with the axis position corresponding to the installation through hole.
Preferably, a plurality of small through holes are uniformly distributed on the annular outer circumference of the elastic pressing sheet and are matched with a plurality of fixing screw holes of the spectacle frame base.
Preferably, the front end of the adjusting screw is provided with a ball head.
Preferably, the plurality is 3.
Compared with the prior art, the invention has the technical effects that:
1. the lens is directly placed in the fixed lens frame seat, an adjusting plate (an optical element lens is used as the adjusting plate) is not arranged, the adjusting screw directly acts on the lens, the structure is compact, and the stability is high.
2. The lens is elastically fixed by the elastic pressing sheet and is matched with a screw hole on the frame base through an adjusting screw to adjust the position of the optical element; the adjusting screw can not cause the lens to be stressed too much when moving back and forth, and the lens surface shape is deformed little.
3. Two steel balls of the lens frame seat and three steel balls of the adjusting screws ensure good constraint of the lens, and two adjusting screws on the lower part move back and forth to realize adjustment of two-dimensional angles of the lens.
4. The arc groove of the elastic pressing sheet is matched with the small claw, so that the one-dimensional front and back displacement adjustment of the lens is realized.
Drawings
Fig. 1 is a perspective view of an embodiment of a three-dimensional optically-adjusted frame of the present invention;
fig. 2 is a front view of a frame mount in the three-dimensional optical adjustment frame of the present invention;
FIG. 3 is a front view of a resilient tab of the three-dimensional optical adjustment frame of the present invention;
FIG. 4 is a front view of an adjustment screw in the three-dimensional optical adjustment frame of the present invention;
FIG. 5 is a perspective view of a mounted lens of the present invention;
Detailed Description
The invention is further described with reference to the following figures and specific examples, but not to be construed as being limited thereto.
Referring to fig. 1, fig. 1 is a perspective view of an embodiment of a three-dimensional optical adjustment frame according to the present invention, which includes a frame base 1, an elastic pressing plate 2, two steel balls, an adjusting screw 5 and a fixing screw 3. The upper part of the lens frame base 1 is provided with a middle light through hole 12, the periphery of the middle light through hole 12 is a coaxial step hole 111, a step part 112 of the step hole 111 is provided with a bulge 19 and a screw hole 13 which are uniformly distributed on the circumference, and the adjusting screw 5 is matched with the screw hole 13 and is used for adjusting the position of an optical element; the lower half circumference of the stepped hole 111 is provided with two symmetrical circular arc bosses 15, the circular arc bosses 15 are provided with circular holes 11, the circumference of the circular holes 11 is not provided with complete hole walls, the two steel balls are placed in the circular holes 11, and the steel balls protrude out of the circular arcs of the circular arc bosses 15; three fixing screw holes 14 which are uniformly distributed are formed in the front surface of the lens frame base 1 along the circumference of the middle light through hole 12 and correspond to small through holes 21 which are uniformly distributed in the circumferential direction of the elastic pressing piece 2, and the fixing screw holes are used for fixing the elastic pressing piece 2; the elastic pressing sheet 2 is a circular ring-shaped sheet, the middle part is provided with a large through hole 24, three small raised claws 22 protruding out of the large through hole 24 are uniformly distributed along the circumferential direction, and three grooves 23 are cut in the circumferential direction of the elastic pressing sheet 24 corresponding to the small raised claws 22 to enable the small raised claws 22 to elastically move back and forth.
The front part of the adjusting screw 5 is provided with a ball head 51.
The lower part of the lens frame seat 1 is provided with a rectangular hole 16 which is communicated with the front and the back, the lower step is provided with three mounting through holes 17, and the axial positions of the two mounting through holes 17 corresponding to the two sides are provided with threaded holes 18 in the front and the back direction.
Examples
The invention relates to a three-dimensional optical adjusting mirror bracket, which comprises a mirror bracket seat 1, an elastic pressing sheet 2, two steel balls, three adjusting screws 5 and three fixing screws 3. The three adjusting screws 5 are respectively matched with the screw holes 13; the two steel balls are placed in the circular hole 11 of the lens frame seat 1, and the steel balls protrude out of the arc edge of the arc boss 15;
the lower part of the lens frame seat 1 is provided with a hole 16, the lower step is provided with an installation through hole 17, and the axial positions of the two installation through holes 17 corresponding to the two side edges are provided with threaded holes 18;
as shown in fig. 2, the frame base 1 has a central light-transmitting hole 12 and a coaxial step hole 111, the step 112 of the step hole 111 has three protrusions 19 and screw holes 13 uniformly distributed on the circumference, the circumference of the lower part of the step hole 111 has two circular arc bosses 15 symmetrically distributed on the circumference, the bosses 15 have circular holes 11, the circumference of the circular holes 11 has no complete hole wall, and the front surface of the frame base 1 has three fixing screw holes 14 uniformly distributed along the circumference for fixing the elastic pressing piece 2.
As shown in fig. 3, the middle of the elastic pressing piece 2 is provided with a through hole 24, three evenly distributed small claws 22 protruding out of the through hole 24 are arranged along the circumferential direction, and three grooves 23 are cut on the corresponding small claws 22 along the circumferential direction of the elastic pressing piece 24 to enable the small claws 22 to elastically move back and forth; three small through holes 21 are uniformly distributed in the circumferential direction of the elastic pressing sheet 2;
as shown in fig. 4, the adjusting screw 5 has a ball 51 at the front.
When the optical element is adjusted, the lens 6 is placed in the stepped hole 111 of the lens frame seat 1, the steel ball supports the lens 6 from the lower part, the three small claws 22 of the elastic pressing sheet 2 press the lens 6 at the front end, the adjusting screw 5 supports the lens 6 from the back, and the angle and the front and back positions of the lens 6 can be adjusted by moving the adjusting screw 5 back and forth; if the rotation angle along the vertical axis needs to be adjusted in a wider range, corresponding screws are respectively placed into the mounting through holes 17 and the threaded holes 18, the screws in the threaded holes 18 are adjusted at the moment, the screws in the mounting through holes 17 are equivalent to rotating shafts, and the whole glasses frame rotates along the vertical axis.
Experiments show that the three-dimensional optical adjusting frame has the characteristic of compact structure, does not have an intermediate movable mirror frame, and is suitable for adjusting optical elements with small space and high adjusting precision in an optical path.
Claims (4)
1. The utility model provides a three-dimensional optical adjustment mirror holder, includes mirror holder seat (1), elasticity preforming (2), a plurality of fixed screw (3), three adjusting screw (5) to and two steel balls, its characterized in that: the upper part of the spectacle frame base (1) is provided with a middle light through hole (12), a plurality of fixing screw holes (14) are uniformly distributed along the circumference of the middle light through hole (12), so that the fixing screws (3) fix the elastic pressing sheet (2) through the fixing screw holes (14); a coaxial stepped hole (111) is formed in the outer circumference of the middle light through hole (12) and used for placing a lens, a plurality of protrusions (19) and screw holes (13) are uniformly distributed on a stepped portion (112) of the stepped hole (111), and the adjusting screw (5) is matched with the screw holes (13) and used for adjusting the position of an optical element; two circular arc bosses (15) are symmetrically distributed on the lower half circumference of the stepped hole (111), circular holes (11) are formed in the circular arc bosses (15), complete hole walls do not exist on the circumference of each circular hole (11), and the steel balls can be placed and can protrude out of circular arcs of the circular arc bosses (15);
the elastic pressing sheet (2) is annular, the inner diameter of the elastic pressing sheet is matched with the outer diameter of the middle light through hole (12), a plurality of small raised claws (22) are uniformly distributed on the outer edge of the inner circumference of the annular, the raised ends of all the small raised claws (22) extend to the center of the annular, and arc grooves (23) are cut in the position, corresponding to the small raised claws (22), of the annular to increase the elasticity of the small raised claws (22) and realize front and back elastic movement;
the lower part of the spectacle frame base (1) is provided with a rectangular hole (16) which is communicated with the front and the back, two ends of the bottom of the spectacle frame base (1) are provided with a mounting through hole (17) which is communicated up and down, and a threaded hole (18) which is communicated with the front and the back and is corresponding to the axis position of the mounting through hole (17).
2. The three dimensional optically adjusted frame of claim 1, wherein: a plurality of small through holes (21) are uniformly arranged on the annular outer circumference of the elastic pressing sheet (2) and are matched with a plurality of fixing screw holes (14) of the spectacle frame base (1).
3. A three-dimensional optically adjusted frame according to any of claims 1 or 2, wherein: the front end of the adjusting screw (5) is provided with a ball head (51).
4. Three-dimensional optically adjusted frame according to any of claims 1 or 2, wherein: the number of the plurality is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110906660.6A CN113740986B (en) | 2021-08-09 | 2021-08-09 | Three-dimensional optical adjusting mirror frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110906660.6A CN113740986B (en) | 2021-08-09 | 2021-08-09 | Three-dimensional optical adjusting mirror frame |
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| Publication Number | Publication Date |
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| CN113740986A CN113740986A (en) | 2021-12-03 |
| CN113740986B true CN113740986B (en) | 2022-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110906660.6A Active CN113740986B (en) | 2021-08-09 | 2021-08-09 | Three-dimensional optical adjusting mirror frame |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001332789A (en) * | 2000-05-19 | 2001-11-30 | Miyachi Technos Corp | Optical resonator mirror holder |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2678211Y (en) * | 2004-01-09 | 2005-02-09 | 清华大学 | Self-elastic light regulating mirror frame for cavity mirror of outside cavity laser |
| JP4799138B2 (en) * | 2005-11-16 | 2011-10-26 | シャープ株式会社 | Optical component fixing mechanism, optical scanning device, and image forming apparatus |
| CN102073117B (en) * | 2010-12-27 | 2012-07-18 | 蓝莫德(天津)科学仪器有限公司 | Integral bidimensional optical adjusting frame |
| CN102162900B (en) * | 2011-05-18 | 2012-06-13 | 中国科学院长春光学精密机械与物理研究所 | Device for clamping reflector at high accuracy |
| TWM426774U (en) * | 2011-09-23 | 2012-04-11 | Cheng Uei Prec Ind Co Ltd | Adjustable lens holder |
| US20130107379A1 (en) * | 2011-10-27 | 2013-05-02 | Cheng Uei Precision Industry Co., Ltd. | Adjustable lens holder |
| CN105988182B (en) * | 2015-02-10 | 2019-04-16 | 维嘉数控科技（苏州）有限公司 | Mirror holder regulating device and its adjusting method |
| CN205982794U (en) * | 2016-07-26 | 2017-02-22 | 中国科学院等离子体物理研究所 | Optical mirror bracket |
| CN208000404U (en) * | 2018-03-21 | 2018-10-23 | 上海以众科技有限公司 | Simple angular adjustment frame |
| CN110596848A (en) * | 2019-10-22 | 2019-12-20 | 中国科学院上海光学精密机械研究所 | Vibration-proof two-dimensional optical adjusting frame and using method |
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2021
- 2021-08-09 CN CN202110906660.6A patent/CN113740986B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001332789A (en) * | 2000-05-19 | 2001-11-30 | Miyachi Technos Corp | Optical resonator mirror holder |
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| CN113740986A (en) | 2021-12-03 |
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