The invention discloses an unpowered dirt discharge device for an airtight toilet for a railway. The unpowered dirt discharge device is arranged in a device shell. The two ends of a center shaft of the unpowered dirt discharge device are arranged on a rack through bearings. A dirt discharge hose is wound around the center shaft. The fixing end of the dirt discharge hose and a dirt discharge outlet are fixed, the dirt discharge outlet is formed in the position, adjacent to the center shaft, of the device shell. The movable end of the dirt discharge hose is provided with a ball valve and a quick connector female end. A backstop device is arranged on the position, adjacent to the outer side of a left end plate, of the center shaft, and a flat spiral spring is arranged on the position, adjacent to the outer side of a right end plate, of the center shaft. A guide wheel device is arranged between the inner side of the left end plate and the inner side of the right end plate. The unpowered dirt discharge device for the airtight toilet for the railway is free of electric component and safe in use, energy is saved, and the cost is lowered.
Unpowered dirt discharge device for airtight toilet for railway
11.11.2015
Patent
Elektronische Ressource
Englisch
IPC: | B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES |
Automatic power connection device of unpowered railway vehicle
Europäisches Patentamt | 2021
|Unpowered water feeding device for railway passenger train
Europäisches Patentamt | 2015
|Built-in airtight door for railway vehicle and railway vehicle
Europäisches Patentamt | 2021
|