Fixing device is opened to engineering machinery side door

The utility model discloses a fixing device is opened to engineering machinery side door, including door -inhale mount pad (1) and door -inhale piece (2), door -inhale piece (2) are fixed on the side door, and door -inhale mount pad (1) is fixed on the door frame, also include two flat spring (3) of providing with door -inhale mount pad (1) central symmetry, two flat spring (3) go up to open has rectangular shape hole (4) and by the rectangular shape hole (4) and door -inhale mount pad (1) fixed connection, form between two flat spring (3) and door -inhale mount pad (1) accommodation space (5) and with communicating push (the four to six -tenehs) of accommodation space (5), the width of accommodation space (5) is greater than a width that pushes (four to six -tenehs). The beneficial effects are that can be according to the difference of door weight, adjust the size of suction through the interval of adjustment two flat spring, can be applied to on the different side door of weight, simultaneously, the device simple structure, the processing preparation is convenient, with low costs.