Food testing test tube fixing device

Abstract

The utility model discloses a food inspection test tube fixing device, including base and mounting bracket, and mounting bracket is connected with handle and multistage bidirectional screw rod, and multistage bidirectional screw rod is connected with moving plate, and moving plate is connected with first spring, and first spring is connected with first fixed plate, and the upper surface fixed connection of base has a plurality of placing seat, and the second spring is connected in placing seat, and the second spring is connected with second fixed plate. The utility model discloses through setting first spring, second spring, first fixed plate and second fixed plate, place test tube in placing seat, and second spring provides the elasticity for second fixed plate, makes its to the bottom of test tube and carries out clamping, then direct rotation handle, and handle drives multistage bidirectional screw rod and carries out direct rotation, and the two moving plates of mutual cooperation on multistage bidirectional screw rod move to each other, and from both sides further to the top of test tube and carry out clamping fixed, can adapt to the clamping fixed of test tube of different height.

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