Tank body fixing structure

The utility model discloses a groove body fixing structure. The tank body comprises a tank body and a tank body center line defined along the long edge of the tank body, cleaned objects are arranged on the two sides of the center line of the tank body, a main tank body arranged outside the tank body in a sleeving mode is arranged on the tank body, a tank body supporting plate is arranged on the edge of the lower end of the main tank body, the main tank body and the short edge of the tank body are fixed to the tank body supporting plate through tank body front-back fixing codes, and positioningholes of the tank body front-back fixing codes are of kidney-hole-shaped structures. According to the utility model, the main tank body with the tank body support plate is sleeved outside the tank body; the tank body is fixed with the support plate; the fixing holes are arranged to be of kidney-shaped hole type and circular hole type structures. When the temperature is high, the tank body only extends in the kidney-shape