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Three-dimensional optical adjusting rack

A three-dimensional optics and adjustment frame technology, applied in optics, optical components, instruments, etc., can solve the problems of low precision, high adjustment precision, complicated adjustment, etc., and achieve the effect of large adjustment range, high adjustment precision and compact structure

Active Publication Date: 2019-08-23
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The former has high adjustment accuracy and needs an external locking mechanism, and its structure is larger than the three-pull three-top adjustment frame; the latter is cumbersome to adjust and has low precision, but it has its own locking

Method used

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  • Three-dimensional optical adjusting rack
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  • Three-dimensional optical adjusting rack

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Embodiment Construction

[0023] The following further describes the present invention with reference to the accompanying drawings and specific examples, but not as a limitation to the present invention;

[0024] Such as figure 1 with Figure 4 As shown, the three-dimensional optical adjustment frame of the present invention includes a base plate 1, a lens base 2, three adjusting screws 3, three adjusting bases 4, and three elastic screw assemblies 5. The elastic screw assembly 5 is composed of steel balls 7 , Compression spring 10, outer screw 8 and micro-movement screw 9 are formed.

[0025] Such as figure 2 As shown, the base plate 1 has a counterbore 112 with a boss 111. The boss 111 has three V-shaped grooves 14 evenly distributed in the circumferential direction; the base plate 1 has a through hole 113 in the middle and a mounting The threaded hole 19 has a mounting hole 15 on the upper end surface 114.

[0026] Such as image 3 As shown, the upper end surface 211 of the lens holder 2 has three thread...

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Abstract

A three-dimensional optical adjusting rack comprises a base plate, a microscope base, three adjusting screws, three adjusting seats and three elastic screw components, wherein each elastic screw component is composed of a steel ball, a compressed spring, an external screw and a slow motion screw. The elastic screw components are adjusted to control rough adjustment and the adjustment range of themicroscope base; and during fine adjustment, the compressed springs in the elastic screw components provide restoring force, the adjusting screws are rotated to adjust the front-back position and two-dimensional angle of the microscope base, and the slow motion screws lock the microscope base fixedly.

Description

Technical field [0001] The invention relates to the posture and position adjustment of optical elements, in particular to a three-dimensional optical adjustment frame. A movable lens holder is used to adjust the front and rear displacement and two-dimensional angle, which can simultaneously realize the large-stroke coarse adjustment and the small-stroke fine adjustment of the optical element, and the adjustment is completed It can be locked afterwards. Background technique [0002] In the optical path adjustment, the two angles of the optical element and the optical axis direction displacement adjustment are generally placed in a two-plate adjustment frame, which is driven and adjusted by precision threads. The three driving threads of the two-plate adjustment frame are distributed at right angles; another common adjustment frame It is a three-pull and three-top adjustment frame. The angle and displacement are adjusted by three top screws and three tension screws. The former has...

Claims

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Application Information

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IPC IPC(8): G02B7/00
CPCG02B7/00
Inventor 杜李峰杨晓伟张海青庞向阳刘志刚
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI