Escalator

The utility model discloses an escalator, including main body frame, step, guide rail and drive arrangement, the step sets up in the main body frame, the guide rail sets up main body frame is last, drive arrangement sets up main body frame is last, the drive arrangement drive the step removes, the guide rail guide the step is followed the main body frame removal that circulates, the guide rail is including moving guide rail portion, returning guide rail portion and adapting unit, adapting unit connects the setting and is in the back of operation guide rail portion with return the back of guide rail portion, make the guide rail forms cyclic annularly, adapting unit's lower extreme arrives the tilted shape on opposite side limit for descending from side slope. Can effectively prevent the oil pollution step, avoid slipping because of the passenger that oil caused, reduce the potential safety hazard of elevator, the greasy dirt of being convenient for simultaneously clear up alleviates staff's cleaning work. 本实用新