CN110673288A - Fine adjustment mechanism for light path correction - Google Patents
Fine adjustment mechanism for light path correction Download PDFInfo
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- CN110673288A CN110673288A CN201910989913.3A CN201910989913A CN110673288A CN 110673288 A CN110673288 A CN 110673288A CN 201910989913 A CN201910989913 A CN 201910989913A CN 110673288 A CN110673288 A CN 110673288A
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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
- G02B7/003—Alignment of optical elements
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Abstract
The invention relates to the technical field of photoelectric comprehensive observing and aiming, and discloses a fine adjustment mechanism for light path correction. The invention has the beneficial effects that: the position of height, position direction that can adjust glass subassembly makes the light path position through glass change to realize the accurate butt joint of the light path of different wave bands, and guarantee that the parallelism of optical axis satisfies photoelectric product's performance index. The fine adjustment mechanism has the characteristics of small volume, high adjustment precision, reliable adjustment and the like, and can meet the requirements of photoelectric products on complex multi-light-path structures, small space volumes and high required precision.
Description
Technical Field
The invention relates to the technical field of photoelectric comprehensive observing and aiming, in particular to a fine adjustment mechanism for optical path correction.
Background
With the development of the photoelectric technology, in order to adapt to all-weather observation, tracking and measurement of a measured target, a photoelectric observation product is gradually developed into a complex body integrating a plurality of optical systems such as visible light, near infrared, medium wave infrared, far infrared, laser ranging and the like. In order to improve the precision and performance index of observation and measurement in a multi-optical-axis system, the optical axes of the multi-optical-axis system need to be butted and kept parallel within a certain precision range, namely, the consistency of the optical axes is ensured. Therefore, an adjusting mechanism for realizing accurate butt joint of optical paths of different wave bands and ensuring consistency of optical axes is needed.
Disclosure of Invention
The invention aims to provide a fine adjustment mechanism for light path correction, which can be used for any multispectral photoelectric observing and aiming product, realizes accurate butt joint of light paths of different wave bands and ensures the consistency of optical axes.
In order to achieve the purpose, the invention is implemented according to the following technical scheme: a fine adjustment mechanism for light path correction comprises a fixed seat, a glass component, a height adjustment mechanism and an orientation adjustment mechanism;
one side of the fixed seat is provided with a U-shaped bracket;
the glass component comprises plate glass and a mirror frame, and the plate glass is fixedly arranged in the mirror frame; the mirror frame is arranged in the U-shaped bracket, and the front end and the rear end of the mirror frame are respectively connected with the two side arms of the U-shaped bracket through rotating shafts in a rotating way; a rotating shaft is arranged in the middle of the outer end face of the bottom wall of the U-shaped support and penetrates through the fixed seat to enable the U-shaped support to be rotatably connected with the fixed seat;
the height adjusting mechanism comprises a rotating sleeve, the rotating sleeve and one end of the U-shaped support rotating shaft penetrating through the fixed seat are concentrically and fixedly connected through a pin, and a positioning mechanism is arranged between the height adjusting mechanism and the fixed seat;
the direction adjusting mechanism comprises a threaded ejector rod, a vertical direction extending plate is arranged at the lower part of the right side of the mirror frame, a threaded through hole is formed in the lower part of the fixed seat, the threaded ejector rod is connected in the threaded through hole in a threaded mode, and the end part of the threaded ejector rod props against the extending plate; and a limiting mechanism is arranged between the direction adjusting mechanism and the fixed seat.
Preferably, the front end and the rear end of the left side of the mirror frame are respectively connected with the front end and the rear end of the support through tension springs.
Preferably, the end part of the threaded mandril is a ball head.
Preferably, the positioning mechanism comprises a positioning seat and a positioning block, the positioning seat is fixedly arranged on the right side of the fixing seat, an opening groove facing the rotating sleeve is formed in the positioning seat, a pressure spring is arranged in the opening groove, the positioning block is arranged on the pressure spring in the opening groove, the pressure spring abuts against the positioning block and presses on the side wall of the rotating sleeve, a positioning hole is formed in the side wall of the positioning seat, a positioning screw is connected to the inner thread of the positioning hole in a threaded manner, and.
Preferably, stop gear includes spacing seat, and spacing seat is fixed in the fixing base right side and is located screw ejector pin one side, is equipped with the screw through-hole that leads to the screw ejector pin on the spacing seat, and screw through-hole female connection has stop screw, and stop screw is used for injecing the elasticity of screw ejector pin.
The working principle of this application does: the support can rotate up and down in the front-rear direction by rotating the rotating sleeve, so that the height direction of the glass assembly is adjusted; the position of the glass component in the direction of the azimuth is adjusted by adjusting the threaded mandril to enable the picture frame to rotate up and down in the left and right directions; the tension spring can eliminate the thread clearance between the rotating sleeve or the thread ejector rod and the fixed seat, and the idle return and the micro vibration during the rotation adjustment of the rotating sleeve or the thread ejector rod are avoided.
Compared with the prior art, the invention has the beneficial effects that: the position of height, position direction that can adjust glass subassembly makes the light path position through glass change to realize the accurate butt joint of the light path of different wave bands, and guarantee that the parallelism of optical axis satisfies photoelectric product's performance index. The fine adjustment mechanism has the characteristics of small volume, high adjustment precision, reliable adjustment and the like, and can meet the requirements of photoelectric products on complex multi-light-path structures, small space volumes and high required precision.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a top view of fig. 1.
Detailed Description
The invention will be further described with reference to the drawings and specific embodiments, which are illustrative of the invention and are not to be construed as limiting the invention.
Example 1
As shown in fig. 1-2, the fine adjustment mechanism for optical path calibration includes a fixing base 1, a glass assembly, a height adjustment mechanism and an orientation adjustment mechanism;
one side of the fixed seat 1 is provided with a U-shaped bracket 2;
the glass component comprises plate glass 3 and a mirror frame 4, wherein the plate glass 3 is fixedly arranged in the mirror frame 4; the mirror frame 4 is arranged in the U-shaped support 2, and the front end and the rear end of the mirror frame 4 are respectively and rotatably connected with the two side arms of the U-shaped support 2 through rotating shafts, and when the mirror frame is applied specifically, the rotating shafts can be screw shafts, so that the mirror frame is convenient to disassemble and adjust; a rotating shaft 5 is arranged in the middle of the outer end face of the bottom wall of the U-shaped support 2, and the rotating shaft 5 penetrates through the fixed seat to enable the U-shaped support 2 to be rotatably connected with the fixed seat 1;
the height adjusting mechanism comprises a rotating sleeve 6, and in order to ensure the stability of the adjusting mechanism and improve the vibration and impact resistance, the outer wall of the rotating sleeve 6 is designed into straight knurls; the rotating sleeve 6 and one end of the rotating shaft of the U-shaped support 2, which penetrates through the fixed seat 1, are concentrically and fixedly connected through a pin, and a positioning mechanism is arranged between the height adjusting mechanism and the fixed seat 1;
the positioning mechanism comprises a positioning seat 7 and a positioning block 8, the positioning seat 7 is fixedly arranged on the right side of the fixing seat 1, an open slot facing the rotating sleeve 6 is formed in the positioning seat 7, a pressure spring 9 is arranged in the open slot, the positioning block 8 is arranged on the pressure spring 9 in the open slot, the pressure spring 9 abuts against the positioning block 8 and presses the side wall of the rotating sleeve 6, a positioning hole is formed in the side wall of the positioning seat 7, a positioning screw 10 is connected with the positioning hole in a threaded manner, and the positioning screw 10 is used for limiting; when the device is used, the positioning screw 10 is loosened, the rotating sleeve 6 is rotated to adjust the U-shaped support 2, and at the moment, the rotating sleeve 6 compresses the pressure spring 9 through the positioning block 8, so that the rotating sleeve 6 is rotated; after the adjustment is finished, the positioning screw 10 is fastened, the positioning screw 10 tightly pushes the positioning block 8, and then the rotation of the rotating sleeve 6 is locked.
The direction adjusting mechanism comprises a threaded ejector rod 11, the end part of the threaded ejector rod 11 is a ball head, a vertical direction extending plate 401 is arranged at the lower part of the right side of the mirror frame 4, a threaded through hole is arranged at the lower part of the fixed seat 1, the threaded ejector rod is connected in the threaded through hole in a threaded mode, and the end part of the threaded ejector rod 11 props against the extending plate 401; and a limiting mechanism is arranged between the direction adjusting mechanism and the fixed seat 1.
Stop gear includes spacing seat 12, and spacing seat 12 is fixed in the fixing base right side and is located screw ejector pin 11 one side, is equipped with the screw through-hole that leads to screw ejector pin 11 on the spacing seat 12, and screw through-hole female connection has stop screw 13, and stop screw 13 is used for injecing the elasticity of screw ejector pin 11. When the adjusting device is used, the limiting screw 13 is loosened, the threaded ejector rod 11 rotates, the ball head end part of the threaded ejector rod 11 abuts against the extension plate 401 to move back and forth, the direction adjustment of the mirror frame 4 is realized, and after the adjustment is finished, the limiting screw 13 is screwed down to tightly abut against the threaded ejector rod 11, so that the limiting is realized.
Both ends pass through extension spring 14 with support front and back both ends respectively around picture frame 4 left side and are connected, when specifically setting up, can fix respectively and set up a foraminiferous screw around both ends and support front and back both ends around picture frame 4 left side, connect two foraminiferous screws that correspond the side through extension spring 14, easy to assemble. The tension spring 14 can eliminate the thread clearance between the rotating sleeve or the thread mandril and the fixed seat, and avoid idle return and slight vibration when the rotating sleeve 6 or the thread mandril 11 rotates and adjusts.
The technical solution of the present invention is not limited to the limitations of the above specific embodiments, and all technical modifications made according to the technical solution of the present invention fall within the protection scope of the present invention.
Claims (5)
1. A fine adjustment mechanism for optical path correction, characterized in that: comprises a fixed seat, a glass component, a height adjusting mechanism and an orientation adjusting mechanism;
one side of the fixed seat is provided with a U-shaped bracket;
the glass component comprises plate glass and a mirror frame, and the plate glass is fixedly arranged in the mirror frame; the mirror frame is arranged in the U-shaped bracket, and the front end and the rear end of the mirror frame are respectively connected with the two side arms of the U-shaped bracket through rotating shafts in a rotating way; a rotating shaft is arranged in the middle of the outer end face of the bottom wall of the U-shaped support and penetrates through the fixed seat to enable the U-shaped support to be rotatably connected with the fixed seat;
the height adjusting mechanism comprises a rotating sleeve, the rotating sleeve and one end of the U-shaped support rotating shaft penetrating through the fixed seat are concentrically and fixedly connected through a pin, and a positioning mechanism is arranged between the height adjusting mechanism and the fixed seat;
the direction adjusting mechanism comprises a threaded ejector rod, a vertical direction extending plate is arranged at the lower part of the right side of the mirror frame, a threaded through hole is formed in the lower part of the fixed seat, the threaded ejector rod is connected in the threaded through hole in a threaded mode, and the end part of the threaded ejector rod props against the extending plate; and a limiting mechanism is arranged between the direction adjusting mechanism and the fixed seat.
2. The fine adjustment mechanism for optical path correction according to claim 1, characterized in that: the front end and the rear end of the left side of the mirror frame are respectively connected with the front end and the rear end of the bracket through tension springs.
3. The fine adjustment mechanism for optical path correction according to claim 1, characterized in that: the end part of the threaded ejector rod is a ball head.
4. The fine adjustment mechanism for optical path correction according to claim 1, characterized in that: the positioning mechanism comprises a positioning seat and a positioning block, the positioning seat is fixedly arranged on the right side of the fixing seat, an open slot facing the rotating sleeve is formed in the positioning seat, a pressure spring is arranged in the open slot, the positioning block is arranged on the pressure spring in the open slot, the pressure spring abuts against the positioning block and presses on the side wall of the rotating sleeve, a positioning hole is formed in the side wall of the positioning seat, a positioning screw is connected with the inner thread of the positioning hole, and the positioning screw.
5. The fine adjustment mechanism for optical path correction according to claim 1, characterized in that: the limiting mechanism comprises a limiting seat, the limiting seat is fixed on the right side of the fixing seat and located on one side of the threaded ejector rod, a threaded through hole leading to the threaded ejector rod is formed in the limiting seat, a limiting screw is connected to the inner thread of the threaded through hole, and the limiting screw is used for limiting the tightness of the threaded ejector rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910989913.3A CN110673288B (en) | 2019-10-17 | 2019-10-17 | Fine adjustment mechanism for light path correction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910989913.3A CN110673288B (en) | 2019-10-17 | 2019-10-17 | Fine adjustment mechanism for light path correction |
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| CN110673288A true CN110673288A (en) | 2020-01-10 |
| CN110673288B CN110673288B (en) | 2021-11-05 |
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| JPH06258566A (en) * | 1993-03-04 | 1994-09-16 | Mitsubishi Electric Corp | Optical axis adjusting device |
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| CN204760741U (en) * | 2015-05-22 | 2015-11-11 | 江苏中科大港激光科技有限公司 | Accurate adjusting device of Q -switch |
| CN105137561A (en) * | 2015-09-28 | 2015-12-09 | 河南平原光电有限公司 | Adjustment mechanism based on flat glass correction optical axis system |
| CN106091815A (en) * | 2016-08-15 | 2016-11-09 | 江苏北方湖光光电有限公司 | A kind of multi-functional distant tower crane rifle and the bindiny mechanism of mirror rifle |
| US20180217347A1 (en) * | 2014-12-24 | 2018-08-02 | Newport Corporation | System and method for mounting and aligning different size optical components using linked-rail mounting |
| CN208588861U (en) * | 2018-08-03 | 2019-03-08 | 郑州采知企业孵化器有限公司 | A kind of telescopic VR device |
| CN109633602A (en) * | 2018-11-30 | 2019-04-16 | 河南平原光电有限公司 | A kind of micromatic setting of the treadmill body for optical path docking |
| CN109683271A (en) * | 2018-12-29 | 2019-04-26 | 上海铭源数康生物芯片有限公司 | A kind of optical lens center is to mutatis mutandis adjustable apparatus |
| CN208818902U (en) * | 2018-11-07 | 2019-05-03 | 成都科信达实业有限公司 | A kind of small-sized grating Multi-azimuth adjustment support |
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2019
- 2019-10-17 CN CN201910989913.3A patent/CN110673288B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06258566A (en) * | 1993-03-04 | 1994-09-16 | Mitsubishi Electric Corp | Optical axis adjusting device |
| CN2733390Y (en) * | 2003-12-29 | 2005-10-12 | 中国科学院光电技术研究所 | One-way differential regulating mechanism for 45 degree reflecting mirror |
| US20050264467A1 (en) * | 2004-04-28 | 2005-12-01 | Hung-Yuan Lin | Orientation adjusting apparatus for a satellite antenna set with fine tuning units |
| US20180217347A1 (en) * | 2014-12-24 | 2018-08-02 | Newport Corporation | System and method for mounting and aligning different size optical components using linked-rail mounting |
| CN204760741U (en) * | 2015-05-22 | 2015-11-11 | 江苏中科大港激光科技有限公司 | Accurate adjusting device of Q -switch |
| CN105137561A (en) * | 2015-09-28 | 2015-12-09 | 河南平原光电有限公司 | Adjustment mechanism based on flat glass correction optical axis system |
| CN106091815A (en) * | 2016-08-15 | 2016-11-09 | 江苏北方湖光光电有限公司 | A kind of multi-functional distant tower crane rifle and the bindiny mechanism of mirror rifle |
| CN208588861U (en) * | 2018-08-03 | 2019-03-08 | 郑州采知企业孵化器有限公司 | A kind of telescopic VR device |
| CN208818902U (en) * | 2018-11-07 | 2019-05-03 | 成都科信达实业有限公司 | A kind of small-sized grating Multi-azimuth adjustment support |
| CN109633602A (en) * | 2018-11-30 | 2019-04-16 | 河南平原光电有限公司 | A kind of micromatic setting of the treadmill body for optical path docking |
| CN109683271A (en) * | 2018-12-29 | 2019-04-26 | 上海铭源数康生物芯片有限公司 | A kind of optical lens center is to mutatis mutandis adjustable apparatus |
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| CN110673288B (en) | 2021-11-05 |
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