Improve freezer of controlling means installation or well interlayer of gradevin

The utility model provides an improve freezer of controlling means installation or well interlayer of gradevin, includes preceding frame, after -frame, base, lid, foam blanket and controlling means, before preceding plugboard inserts in the after -opening draw -in groove of frame, in the base draw -in groove of frame, preceding, after -frame can be dismantled and link into an integrated entity before the plugboard of after -frame inserted, the front end and the angular form inserting groove of base are pegged graft, and the apron is pegged graft with the inserting groove of under shed, on the circuit board sets up in the front the frame, circuit board upper end and under shed card slot chimeric and detachably matched, control panel pastes and pegs graft with the draw -in groove, a screw closes the rear portion at preceding frame top and the preceding plugboard spiral shell of after -frame. Owing to adopt such structure, the in need of repair circuit board, with preceding frame and after -frame separation, preceding frame and circuit board take out, alright with maintain, the change circuit board, the maintenance finishes, preceding frame and after -frame peg graft can, convenient assembling.