The invention discloses a jack for a small automobile and belongs to the field of automobile auxiliary equipment. The jack comprises a supporting seat, a base, a pair of upper arms and a pair of lower arms. One end of each upper arm is installed on the supporting seat, the other end of each upper arm is connected with one end of each lower arm through two hinged shafts, the other end of each lower arm is installed on the base, and a screw rod penetrates between the two hinged shafts. The inner side of at least one hinged shaft is connected with a lubricating oil sleeve, an annular oil storage ring adheres to an inner side wall of the lubricating oil sleeve, and the screw rod penetrates the oil storage ring and the lubricating oil sleeve. Through the matching of the oil storage ring and the lubricating oil sleeve, the screw rod and the hinged shafts can be continuously lubricated, the abrasion between the screw rod and the hinged shafts is reduced, the lifting stability is improved; meanwhile, the rusting caused by no use for a long time is avoided; the oil storage ring can lock lubricating oil while providing lubricating oil and can supply the lubricating oil for a long time; and the lubricating oil sleeve can reduce the volatilization of the lubricating oil.
Jack for small automobile
2015-08-05
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 / F16N LUBRICATING , Schmierung |