Self-lubricating scissor jack

Self-lubricating scissor jack

The utility model discloses a self-lubricating scissor jack. A rotary connecting block is cubic, an oil cavity is formed in the rotary connecting block, and an annular dovetail sliding groove and oil outlet holes communicated with the oil cavity are formed in the side face, opposite to a fixed conne...

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1. Verfasser: SHANG LINGHUI
Format: Patent
Sprache:chi ; eng
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HAULING
HOISTING
HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD
LIFTING
PERFORMING OPERATIONS
TRANSPORTING
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description The utility model discloses a self-lubricating scissor jack. A rotary connecting block is cubic, an oil cavity is formed in the rotary connecting block, and an annular dovetail sliding groove and oil outlet holes communicated with the oil cavity are formed in the side face, opposite to a fixed connecting block, of the rotary connecting block and are arranged concentric with a threaded hole; a rotary block is arranged on the side face, opposite to the fixed connecting block, of the rotary connecting block and attached to one side, opposite to the fixed connecting block, of the rotary connecting block, a threaded hole matched with a threaded rod is formed in the rotary block, an annular dovetail sliding block corresponding to the annular dovetail sliding groove and first oil outlet grooves corresponding to the first oil outlet holes are formed in the side face, opposite to the first oil outlet holes, of the rotary block, second oil outlet grooves are formed in the side wall of the threaded hole of the rotary bl
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subjects HAULING
HOISTING
HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD
LIFTING
PERFORMING OPERATIONS
TRANSPORTING
title Self-lubricating scissor jack
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