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Threaded focusing device

A thread and threaded hole technology, applied in the field of threaded focusing devices, can solve the problems of gear transmission return error, high cost of gear focusing mechanism, and affecting focusing accuracy, so as to ensure high flatness, improve focusing accuracy and imaging The effect of picture quality

Pending Publication Date: 2018-03-02
JIANGSU KONSUNG BIOMEDICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The existing focusing device is generally a gear focusing mechanism. The cost of the gear focusing mechanism is high, and the gear transmission generally has a return error, which affects the focusing accuracy to a certain extent.

Method used

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  • Threaded focusing device
  • Threaded focusing device

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Embodiment Construction

[0015] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0016] Please also refer to figure 1 and figure 2 , the present invention provides a threaded focusing device, which includes a plurality of fastening bolts 1, a CMOS module 2, a base 3, a plurality of focusing bolts 4, a lens barrel 5, wherein the base 3 A guide counterbore 31 is provided, and the CMOS module 2 is fixed on one end of the base 3 through a plurality of fastening bolts 1. The shape of the CMOS module 2 is a rectangular side, and the number of fastening bolts 1 can be four, and the positions of the bolt holes are evenly distributed .

[0017] One end of the base 3 is provided with a plurality of second threaded holes, and the COMS module is connected and fixed on the base through fastening bolts 1 .

[0018] The lens barrel 5 includes a guide post 52 and a plurality of first threaded holes 51, specifically two first ...

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Abstract

A threaded focusing device disclosed by the present invention comprises a substrate, a CMOS module and a lens cone, wherein the substrate is equipped with a guiding counter bore, the CMOS module is fixed on the substrate, the lens cone comprises a guiding column and a plurality of first threaded holes, and the guiding counter bore on the substrate sleeves the guiding column on the substrate. The threaded focusing device also comprises a plurality of focusing bolts for connecting the lens cone and the substrate, and the position of the substrate can be adjusted along the direction of the guiding column by adjusting the focusing bolts. A threaded focusing mechanism of the present invention enables the focal length adjusting precision to be improved, enables the image quality to be improved,and enables the image quality not to be influenced by the outside world continuously and for a long time.

Description

technical field [0001] The invention relates to the field of optical lenses, in particular to a screw focusing device for optical lenses. Background technique [0002] In modern optical lens design, the zoom lens is an indispensable part. In order to obtain better imaging effect, the focal length of the lens must be adjusted, and the key to realize the zoom lies in the focusing device. The components of the focusing device are mainly used to adjust The position of the imaging module ensures that the image of the zoom lens is clear and stable. [0003] The existing focusing device is generally a gear focusing mechanism, and the cost of the gear focusing mechanism is high, and the gear transmission generally has a return error, which affects the focusing accuracy to a certain extent. Contents of the invention [0004] The present invention provides a thread focusing device, which can solve the problems existing in the prior art. The present invention provides a focusing pre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B7/04G02B7/02
CPCG02B7/022G02B7/04
Inventor 温之云陈彤欧梦艺吴克棋
Owner JIANGSU KONSUNG BIOMEDICAL TECH
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