Visual device fixing device suitable for various types of visual channels

The utility model relates to a visual device fixing device suitable for various types of visual channels, which comprises a pipeline and a positioning piece, the pipeline is used for a camera shooting element to be inserted, the pipeline is arranged in a front-and-back extending mode and is arranged in the visual channel in a pluggable mode, the pipeline is provided with a plurality of limiting pieces and positioning pieces, and the limiting pieces and the positioning pieces are used for fixing the pipeline and the upper portion of the visual channel. A limiting matching piece is arranged on the positioning piece towards the limiting piece, and the limiting matching piece is configured to be telescopic to be matched with the limiting piece in a limiting mode so as to limit displacement of the pipeline relative to the visual channel; in order to be suitable for various types, sizes and types of visual channels, the size of the pipeline can be reduced under the condition that the camera element is smoothly plac