Cam, slit device, micro Raman scattering spectrometer device

A cam and slit technology, applied in the field of optics, can solve problems such as troublesome adjustment and loss of accuracy, and achieve the effect of preventing uneven bearing, preventing wear and maintaining accuracy

Active Publication Date: 2018-03-23
徐州博创建设发展集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The slit device for optical instruments in the prior art is adjusted by thread advancement, which is cumbersome to adjust and is prone to loss of accuracy due to thread wear of the screw, and there is room for improvement

Method used

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  • Cam, slit device, micro Raman scattering spectrometer device
  • Cam, slit device, micro Raman scattering spectrometer device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1. The cam has an outer contact surface (T1), an inner cavity (T2), an inner contact surface (T4), and a rotating shaft;

[0021] The inner cavity (T2) is a circular blind hole, opening on the lower surface of the cam, the axis of the inner cavity (T2) coincides with the axis of the rotating shaft; the inner contact surface (T4) and the cylindrical surface of the cavity interface of the inner cavity (T2) coincide;

[0022] The outer contact surface (T1) is a cylindrical surface, and the axis of the outer contact surface (T1) does not coincide with the axis of the rotating shaft; the axis of the outer contact surface (T1) is parallel to the axis of the rotating shaft;

[0023] The diameter of the outer contact surface (T1) is larger than the diameter of the inner contact surface (T4);

[0024] The limit wall is between the outer contact surface (T1) and the inner contact surface (T4);

[0025] The upper surface of the cam has a scale line, the scale line is ...

Embodiment 2

[0031] Embodiment 2. The slit device is characterized in that it includes the cam described in 1, the fork (CJ), the first hard plate (CK1), the second hard plate (CK2), the third hard plate (CK3), the sliding rail;

[0032] The rotating shaft of the cam forms a rotational connection with the fork (CJ), and the cam can rotate freely around the rotating shaft;

[0033] The top of the first hard plate (CK1) has a counter cylinder, and the axis of the counter cylinder is parallel to the axis of the rotating shaft of the cam;

[0034] The first hard plate (CK1) is in contact with the inner contact surface (T4) of the cam, and the diameter line of the first hard plate (CK1) is coincident with the diameter line of the inner contact surface (T4) of the cam;

[0035] The first hard plate (CK1) can slide on the slide rail, and the first hard plate (CK1) can contact the inner contact surface (T4) of the cam;

[0036] The third hard plate (CK3) can slide on the slide rail, and the thir...

Embodiment 3

[0046] Embodiment 3. On the basis of Embodiment 2, the slit device also includes an automatic control device. Before the cam rotates, the first hard plate (CK1) retreats in the direction of the camshaft to prevent the gap between the first hard plate (CK1) and the cam. Friction, the third hard plate (CK3) moves away from the cam before the cam rotates to prevent friction between the third hard plate (CK3) and the cam; after the cam rotates, the first hard plate (CK3) moves away from the cam (CK1) slides toward the inner contact surface (T4) of the inner cavity (T2), and the third hard plate (CK3) slides toward the outer contact surface (T1) of the cam.

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Abstract

A cam has an outer contact surface, a cavity, an inner contact surface, and a rotary shaft; the cavity is a round blind hole opened on the bottom surface of the cam, and the cavity axis overlaps with that of the rotary shaft; the inner contact surface overlaps with a cylindrical surface of the cavity interface; the outer contact surface is a cylindrical surface, and the outer contact surface axis does not overlap with the rotary shaft axis; the outer contact surface axis is parallel to the rotary shaft axis; the outer contact surface diameter is bigger than the inner contact surface diameter; a limit wall is arranged between the outer and inner contact surfaces; the top surface of the cam is provided with a scale line; the scale line is a straight line, a delay line of the scale line penetrates the rotary shaft axis, and the scale line cannot penetrate the rotary shaft axis; the scale line is marked with the thickness value of the limit wall. A slit unit, a minisize Raman scattering spectrum device, and the cam having said structures are provided; the cam can prevent wearing, and can prevent precision changes caused by unevenness of a wearing bearing; the cam can keep the precision unchanged.

Description

technical field [0001] The invention relates to the field of optics, in particular to a cam, a slit device, and a miniature Raman scattering spectroscopy device. technical background [0002] The slit devices for optical instruments in the prior art are all adjusted in the manner of thread advancing, which is troublesome to adjust, and is prone to loss of precision due to thread wear of the screw rod, and there is room for improvement. SUMMARY OF THE INVENTION [0003] The invention relates to a cam, a slit device and a micro Raman scattering spectroscopic device, and provides a new design idea. [0004] 1. The cam is characterized in that it has an outer contact surface (T1), an inner cavity (T2), an inner contact surface (T4), and a rotating shaft; [0005] The inner cavity (T2) is a circular blind hole, opening on the lower surface of the cam, the axis of the inner cavity (T2) coincides with the axis of the rotating shaft; the inner contact surface (T4) and the cylindr...

Claims

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Application Information

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Patent Type & AuthorityPatents(China)
IPC IPC(8): G01J3/44G01J3/02G01J3/04
CPCG01J3/0202G01J3/04G01J3/44
Inventor聂新明田亚平姚悦段凌风王稳邹琦包旭翔韩彩芹
Owner徐州博创建设发展集团有限公司