阅读说明：本技术 一种用于光路校正的微调机构 (Fine adjustment mechanism for light path correction ) 是由 王端天 魏保 李明海 张永安 尚丽明 吴同彬 王锟 于 2019-10-17 设计创作，主要内容包括：本发明涉及光电综合观瞄技术领域,公开了一种用于光路校正的微调机构,包括固定座、玻璃组件、高低调整机构和方位调整机构。本发明的有益效果为：可以调整玻璃组件的高低、方位方向的位置,使通过玻璃的光路位置发生改变,从而实现不同波段的光路的精准对接,并保证光轴的平行性满足光电产品的性能指标。该微调机构具有体积小、调节精度高、调整可靠等特点,能够满足光电产品多光路结构复杂、空间体积小、要求精度高的要求。(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.)

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.

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.