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Title:
LENS ADJUSTING DEVICE AND PROJECTION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/033383
Kind Code:
A1
Abstract:
A lens adjusting device and a projection apparatus. The lens adjusting device comprises a lens support (1), an adjusting support (2), a first direction adjusting assembly (3), a second direction adjusting assembly (4), a guide arm (5), an upper cover (6) and a shell body (7), wherein the first direction adjusting assembly (3) and the second direction adjusting assembly (4) are arranged on the upper cover (6), and the lens support (1), the adjusting support (2) and the guide arm (5) are accommodated in a space formed by the upper cover (6) and the shell body (7); and the first direction adjusting assembly (3) drives the lens support (1) to slide in a first direction, the second direction adjusting assembly (4) and the guide arm (5) drive the adjusting support (2) to rotate, the lens support (1) moves in a second direction, and the first direction is perpendicular to the second direction. By means of the lens adjusting device, the adjusting assemblies are used for making the lens move in one direction, the guide arm (5) drives the lens to rotate, and a component forms a movement in another direction, so as to adjust the position of a lens; and the two direction adjusting assemblies are relatively independent, and the whole adjusting device has a simple and compact structure and occupies a small space, thereby reducing the manufacturing cost and facilitating operation.

Inventors:
HUANG SIXIN (CN)
ZHOU ZHENGPING (CN)
LI YI (CN)
Application Number:
PCT/CN2021/110772
Publication Date:
February 17, 2022
Filing Date:
August 05, 2021
Export Citation:
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Assignee:
APPOTRONICS CORP LTD (CN)
International Classes:
G03B21/14; G03B21/00
Domestic Patent References:
WO2020149499A12020-07-23
Foreign References:
CN101493639A2009-07-29
CN208367297U2019-01-11
CN203433259U2014-02-12
CN101398520A2009-04-01
CN106773476A2017-05-31
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