The invention discloses an automatic lifting platform applied to motor homes. The automatic lifting platform comprises a screw rod fixed to a lifting platform supporting part, an inner casing pipe and an outer casing pipe which sequentially cover the screw rod, wherein the outer casing pipe is only driven to rotate by an external power source; the screw rod is fixed to the supporting part, is incapable of rotating and is only capable of moving in the height direction; the inner casing pipe rotates and moves in the height direction; the screw rod, the inner casing pipe and the outer casing pipe respectively are driven by respective threads; a cover plate I is arranged at the top end of the outer casing pipe; a through hole I with inner threads is formed in the center of the cover plate I; the inner casing pipe is in threaded connection with the through hole I; a baffle disc is arranged on the bottom end of the inner casing pipe; the outer diameter of the baffle disc is greater than that of the inner casing pipe; the baffle disc is in threaded connection with the outer casing pipe; a cover plate II in threaded connection with the screw rod is arranged at the top end of the inner casing pipe; a through hole II with inner threads is formed in the center of the cover plate; the screw rod is in threaded connection with the through hole II; a cover plate III is arranged at the bottom end of the outer casing pipe; the cover plate III is provided with a groove with a diameter which is slightly smaller than the inner diameter of the outer casing pipe and slightly greater than the diameter of the baffle disc.
Automatic lifting platform applied to motor homes
2015-04-08
Patent
Electronic Resource
English
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
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