The invention discloses a bayonet structure for locking a holding head. The bayonet structure comprises a bracket and a holding head horizontally arranged within the bracket; the bracket comprises two side plates arranged to directly face each other and parallel to each other and a supporting mechanism for connecting the side plates; the holding head comprises two edge plates arranged on the inner sides of the two side plates, correspondingly; and one ends, facing a working side of the car lifting jack, of the edge plates are connected with holding blocks. The detent structure is characterized in that a plurality of positioning holes are formed at equal intervals in one edge plate in a horizontal direction, and a threaded hole located at the same height with the positioning holes is formed in the side plate corresponding to the edge plate; a positioning mechanism is mounted within the threaded hole; the positioning mechanism comprises a positioning sleeve and a positioning pin arranged within the positioning sleeve in a sliding manner; and the positioning pin can be inserted in any one of the positioning holes. The bayonet structure for locking the holding head has the advantages of simple structure, convenient operation, capabilities of locking the position of the holding head and favorably improving safety of a car lifting jack, and the like.
Bayonet structure for locking holding head
2016-02-03
Patent
Elektronische Ressource
Englisch
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 |