Plastic camera lens hood with telescopic function

Abstract

The invention discloses a plastic camera lens hood with a telescopic function, which comprises a box body, wherein the front end of the box body is movably connected with a box door, the rear end of the box door is fixedly connected with a hinge, a connecting plate is fixedly connected with an upper case, a mounting plate is fixedly connected into the box body, a Venturi tube is fixedly connectedinto the mounting plate, the lower section of the mounting plate is fixedly connected with a clamping piece, a clamping groove is formed in the clamping piece, a clamping block is connected into the clamping groove in a clamping manner, a filter bag frame is fixedly connected into the clamping block, a dust removal filter bag is detachably connected to the outer side of the filter bag frame, a dust bucket is fixedly connected to the lower end of the box body, a rotary valve is fixedly connected to the lower end of the dust bucket, a dust collecting box is detachably connected to the lower endof the rotary valve, an air suction pipe is fixedly connected to the front end of the dust bucket, and an exhaust pipe is fixedly connected to the right end of the upper case. According to the plasticcamera lens hood with the telescopic function, the whole lens hood is more convenient and faster to disassemble and assemble, the mounting time is shortened, and thus the mounting efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of camera shading covers, in particular to a plastic camera shading cover with telescopic function. Background technique [0002] The hood is a device installed on the front of the camera lens, digital camera and video camera to block harmful light, and it is also one of the most commonly used accessories for photography. The hood has various materials such as metal, hard plastic, and soft rubber. Most 135 lenses come standard with a lens hood, and some lenses need to be purchased separately. Hood models are different for different lenses and cannot be used interchangeably. Lens hoods are an indispensable accessory for visible light lenses. [0003] However, the existing camera hood has a fixed overall structure, so it is inconvenient to adjust the length of the hood according to the actual situation, which reduces the overall flexibility, resulting in the overall inability to exclude better photos, and t...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a plastic camera hood with a telescopic function, to solve the problem that the existing camera hood proposed in the above-mentioned background technology has a fixed overall structure, so it is inconvenient to adjust the length of the hood according to the actual situation. The overall flexibility is reduced, resulting in the overall inability to exclude better photos, and the existing camera hood is inconvenient to adjust and disassemble, which reduces the overall practicality.

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