Seal structure of gas stove secondary variable speed

The utility model discloses a seal structure of gas stove secondary variable speed, the dustproof wireless router comprises an upper shell, go up bearing cover, the vertical scroll, pinion and piniongland, the vertical scroll is located on the casing, the vertical shaft connection pinion, it locates between pinion and the last casing to go up bearing cover, the bottom of pinion is equipped with ring groove, upward be equipped with sealed boss on the bearing cover, ring groove is corresponding with sealed boss, be equipped with seal part between sealed boss and the ring groove, the longitudinal distribution has the holding tank on the sealed boss, be equipped with O type sealing washer in the holding tank, it forms the inner groovy to go up between bearing cover and the vertical scroll, beequipped with the skeleton oil blanket in the inner groovy, be equipped with the annular groove on the bottom surface of pinion gland, be equipped with the gland seal circle in the annular groove. The utility model discloses