Manual focusing device

The utility model provides a manual focusing device, which comprises a fixing mechanism and a focusing mechanism, the focusing mechanism comprises a turbine seat, a worm, an adjusting rotating shaft, a lens bracket, a lens and a spring, the turbine seat comprises a turbine and a plurality of lifting...

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Bibliographic Details
Main Authors YANG LIUZHI, YIN XIAOZHI, ZHAO GUOWU
Format Patent
LanguageChinese
English
Published 14.03.2023
Subjects
CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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Summary:The utility model provides a manual focusing device, which comprises a fixing mechanism and a focusing mechanism, the focusing mechanism comprises a turbine seat, a worm, an adjusting rotating shaft, a lens bracket, a lens and a spring, the turbine seat comprises a turbine and a plurality of lifting tracks, the axial direction of the turbine and the lifting of each lifting track are along a first direction, and the adjusting rotating shaft is arranged on the adjusting rotating shaft. The multiple lifting rails are annularly arranged along the axial end face of the turbine, the adjusting rotating shaft is inserted into the worm and used for driving the turbine to drive the lifting rails to rotate after rotating the worm, one end of the spring abuts against the upper cover, the other end of the spring abuts against the lens support, and the multiple supporting sliding blocks are evenly arranged on the outer side of the lens support. The plurality of supporting sliding blocks are respectively arranged on the cor
Bibliography:Application Number: CN202123270951U