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[CN 201910262816.4] Title of a Self-locking Press: Application Number of a Self-locking Press: CN 201910262816.4 Applicant: Date of Application: 2019-4-2 Patent Type: Application for Invention The present invention specifically relates to a manual press. The purpose is to provide a self-locking press which is easy to keep pressure. The technical solution adopted by the present invention is: a self-locking press, including a machine base and a pressing device located above the machine base, the pressing device is connected to the machine base through a support column; the pressing device includes a beam, a lifting column, Gear shaft and driving mechanism, one end of the gear shaft is also provided with a self-locking assembly, the self-locking assembly includes a ratchet and a pawl, the ratchet is sleeved on the circumferential surface of one end of the gear shaft and fixed with the gear shaft; the middle part of the pawl is hinged with the side wall of the beam through a hinge shaft, one end of the pawl abuts on the ratchet, and the other end extends into the U limit card; the side wall of the beam behind the pawl is also fixed There is a guide sleeve, and a sliding rod matched with the guide sleeve is inserted into the guide sleeve. The invention can realize the self-locking of the manual press, is convenient for pressure holding, and can be easily and quickly unlocked after the pressure holding is completed.
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