Lens cap device
A technology for lens caps and lenses, applied in projection devices, instruments, optics, etc., can solve problems affecting the movement of lens caps, inaccurate linkage transmission, oil leakage, etc.
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[0043] see figure 1 , figure 2 and image 3 As shown, the lens cover device of the present invention includes a body device 10, a cover device 20, a linkage mechanism 30, a lens cover 40 and a sensing device 50; wherein the body device 10 includes a body 11, and the body 11 has a body formed with a A body front cover 12 of the lens through hole 121, and the body front cover 12 is provided with a plurality of fixing holes 122A, 122B, etc., the body 11 is provided with a lens 13 relative to the lens through hole 121, and the lens inside the body 11 13 and the body front cover 12 form a space.
[0044] The protective cover device 20 is arranged on the body 11 of the body device 10, and is located in the space between the lens 13 and the front cover 12 of the body. It includes a protective cover 21 and a protective cover seat 22. The protective cover 21 is provided with a The lens through hole 211 of the lens through hole 121, the outer inner surface of the protective cover 21...
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