Main axle for bicycle

The utility model relates to a main axle for bicycles, which comprises a five-way pipe, a sleeve pipe, an axle center, ball bearings and threaded rings. The inner part of the five-way pipe is provided with the sleeve pipe and the axle center, the both ends of the axle center are respectively sheathe...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MINCHANG LIN, JINCHENG LIN
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model relates to a main axle for bicycles, which comprises a five-way pipe, a sleeve pipe, an axle center, ball bearings and threaded rings. The inner part of the five-way pipe is provided with the sleeve pipe and the axle center, the both ends of the axle center are respectively sheathed with a ball bearing, and the threaded rings are screwed on the axle center, so that the axle center combines with the sleeve pipe. The inner side of one end of the five-way pipe is provided with screw thread, and an inner edge of the other end of the five-way pipe is provided with a conical surface. The external side of one end of the sleeve pipe is correspondingly provided with screw thread, and the other end is also correspondingly provided with a conical surface. The sleeve pipe can be easily arranged in the five-way pipe, and is fixed on the five-way pipe through the mutual screw connection of the screw thread. The utility model has the advantages of few components, convenient operation, no need of correction, time saving, labor saving and low cost.