The present invention relates to a hinged door hinge device of a household food dryer, which is compactly constructed, and particularly, with the hinge part of the main body and the pivot door supported by the main body being stopped in the open position and the opening door being closed in the closed position. The present invention relates to a door hinge device for a food dryer which prevents high temperature leakage in a drying chamber by improving a sealing function with a main body at a pressure formed by a check and a check. The present invention constitutes a circular protruding sliding portion 30 formed of a constant width and height around the fixed hinge hole 15 of the fixed hinge member 13 protruding from the front wall surface 12 of the dryer, The opening angle of the swing door 20 together with the closing ridge 31 formed in the inner angle of the overlapping angle 2 to 5 degrees from the horizontal angle of the closing door 20 of the sliding door 20 to the sliding ridge part 30 is positioned at 150 to 180 degrees. Forming the opening ridge 32 is composed of, The sliding hinge member 22 of the hinged door 20 which is axially installed by the hinge shaft 14 is slid from the sliding ridge portion 30 and inserted into the closed ridge 31 and the opening ridge 32. And the bottom door 20 is intermittent and protrudes downward from the interlocking hinge member 22 to facilitate the opening and closing of the door 20, and the curved end 33 is formed at the end thereof and the diagonally sloped diagonally in the opening direction ( 34) the door control rod 35 is constituted by the door to have a continuous inward movement to maintain a stable in the opening and closing position and opening and closing position of the door by the internal negative pressure to facilitate the entry and exit of the tray. It is designed to prevent drying defects caused by waste of power and door opening.본 고안은 소형으로 구성되는 가정용 식품건조기의 여닫이도어 힌지장치에 관한 것으로 특히, 본체의 힌지부와 피벗(pivot)지지되는 여닫이 도어가
