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[CN 201910244317.2] Self-lubricating manual press


[CN 201910244317.2] A Self-lubricating Manual Press Title: A Self-lubricating Manual Press Application Number: CN 201910244317.2 Applicant: Xu Xinzhen Application Date: 2019-3-28 Patent Type: Invention Application The present invention specifically relates to a manual press. The purpose is to provide a self-lubricating manual press that can realize automatic lubrication. The technical solution adopted by the present invention is: a self-lubricating manual press, including a base and a pressing device, the pressing device includes a vertical mounting cylinder, the mounting cylinder is fixedly connected with the support arm, and the center hole in the mounting cylinder It is square, and a square top column matching the center hole is arranged in the center hole, and the circumferential surface of the top column is recessed inward to form an oil groove, A first rubber sealing ring is arranged between the lower part of the mounting cylinder and the top column, and an oil groove cavity located above the first rubber sealing ring constitutes a pumping cavity. The invention can efficiently lubricate the screw and the ejector rod, the mounting cylinder and the ejector rod of the press, the ejection is smooth, and the use is extremely convenient.