Multifunctional convenience wheelchair for ascending and descending stairs

• Main Authors: YU BINJIE, GAO ZEJIE, LIU JIAN
• Format: Patent
• Language: Chinese; English
• Published: 28.02.2020
• Subjects: CHAIRS FOR DENTISTRY; FUNERAL DEVICES; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; OPERATING TABLES OR CHAIRS; TRANSPORT OR ACCOMODATION FOR PATIENTS

The invention discloses a multifunctional convenience wheelchair for ascending and descending stairs, comprising a cushion, two front wheels, two rear wheels, a seat rotating mechanism and an ascending-descending mechanism, wherein the seat rotating mechanism is used for controlling the rotation of the cushion, the ascending-descending mechanism comprises a lifting mechanism and a horizontal movement mechanism, the lifting mechanism comprises a lifting mechanism upper plate, a lifting mechanism lower plate, a first screw-nut set, two second screw-nut sets and two third screw-nut sets, the lifting mechanism upper plate is connected with the lifting mechanism lower plate through four pneumatic springs, and the horizontal movement mechanism comprises two guide rods, a plurality of sliders anda fourth screw-nut set horizontally arranged between a rotating mechanism lower plate and the lifting mechanism upper plate. The wheelchair according to the invention allows for automated ascent anddescent of stairs, is suit