| 摘要 |
<p>A pedal type transmission device for drying machine comprises a base (1), a foot pedal (2) and an intermediate transmission system. A gear and rack transmission machine formed by engaging sector teeth of the foot pedal (2) with flat teeth (6) of a rack (5) is provided on the base (1). The intermediate transmission system is composed of a ring gear (13), a planet carrier (8), a planet gear (12) and a one-way needle roller bearing (16), which are fixed on the base (1). A planet carrier gear (9) is provided on the bottom of the planet carrier (8). A drive shaft (15) of drying machine is the central shaft of the planet carrier gear (9) which engages with the vertical teeth (7) on the side face of the rack (5). The planet gear (12) provided on the planet carrier (8) through a shaft engages with the ring gear (13), and engages with the one-way needle roller bearing (16) sleeved on the drive shaft (15) of drying machine simultaneously.</p> |
