Handrail-free multifunctional adjustable sofa bed

• Main Authors: WU XIANFA, WANG ZHIJIE
• Format: Patent
• Language: Chinese; English
• Published: 21.12.2021
• Subjects: BEDS; CHAIRS; COFFEE MILLS; DOMESTIC ARTICLES OR APPLIANCES; FURNITURE; HUMAN NECESSITIES; SOFAS; SPICE MILLS; SUCTION CLEANERS IN GENERAL

The utility model provides a handrail-free multifunctional adjustable sofa bed, which relates to the technical field of sofa beds and comprises a supporting seat, four L-shaped plates are hinged to four corners of the inner bottom wall of the supporting seat, two parallel through grooves are formed in the inner bottom wall of the supporting seat, and the L-shaped plates are hinged to the four corners of the inner bottom wall of the supporting seat. The lower end of the L-shaped plate penetrates through the through groove and is provided with a rolling wheel, and the inner bottom wall of the supporting base is fixedly connected with a lower limiting plate used for limiting rotation of the L-shaped plate. The synchronous driving device is started to drive the two upper limiting plates to move oppositely, so that the upper limiting plates are far away from the L-shaped plate, the limiting effect of the upper limiting plates on rotation of the L-shaped plate is relieved, the supporting base plays a main supportin