Electric lifting device

• Main Author: ZHENG LICHUN
• Format: Patent
• Language: Chinese; English
• Published: 17.02.2010
• Subjects: BEDS; CHAIRS; COFFEE MILLS; DOMESTIC ARTICLES OR APPLIANCES; FURNITURE; HUMAN NECESSITIES; SOFAS; SPICE MILLS; SUCTION CLEANERS IN GENERAL

The utility model provides an electric lifting device suitable for industries such as hairdressing and beauty industry as well as medical treatment industry, belonging to the technical field of mechanical-electrical integration. The utility model solves the problems of relatively large friction resistance and large noise during the lifting process of a lifting sleeve in an existing electric lifting chair. The electric lifting device comprises a main body with a socket and a speed reducing motor, wherein a screw rod and a pushing rod are arranged in the socket, the pushing rod is sleeved on thescrew rod and connected with the screw rod by threads, and the inner end of the screw rod is connected with the speed reducing motor; a first chamber is formed between the outer wall of the pushing rod and the inner wall of the socket, a second chamber is formed between the inner wall of the pushing rod and the screw rod, and lubricant is filled in the first chamber and the second chamber; and alubricant flowing hole com