Mechanical device of geezer chair

Abstract

The invention relates to a mechanical extension device of a geezer chair. The mechanical extension device comprises a left-side component, a right-side component, a lifting base and an electric device, wherein the left-side component and the right-side component are respectively provided with a geezer chair handrail installing plate, a second lifting connecting piece, a leg switching piece, a first lifting connecting piece, a back-and-forth switching connecting piece, a backrest switching connecting piece, a geezer chair seat frame installing plate, a rear installing support, a geezer chair leg rod I, a geezer chair leg rod II, a geezer chair leg rod III, a geezer chair leg rod IV, a geezer chair foot plate, a geezer chair connecting rod, a third lifting connecting piece, a front installing piece, a rear installing piece and a bolt connecting piece; the lifting base comprises a chassis, a square lifting frame, a lifting frame, a lifting connecting rod, a welding connecting piece and an adjustable connecting piece; the electric device comprises a motor and a motor pushing rod; the motor is rotationally arranged on the chassis; the motor pushing rod is rotationally connected with the welding connecting piece. The mechanical extension device disclosed by the invention has the advantages that safety and stability are realized, the structure is firm, the installing efficiency is high, materials are saved, and the design of the geezer chair is improved.

Description

technical field [0001] The invention relates to a mechanical device of an old man's chair, in particular to a mechanical device for an old man's chair which can realize four postures and can realize slow and stable lifting. The invention is used to help the elderly with inconvenient legs and weak waist to stand up from the sofa, so as to facilitate the activities of the elderly. Background technique [0002] At present, the existing mechanical device of the elderly chair has six major deficiencies: 1. The lifting part of the mechanical device of the elderly chair is not stable, easy to shake, reduces the comfort, and is prone to safety problems; 2. Divided into multiple parts for assembly, the steps 3. The consumption of steel is large and the cost is high; 4. The backrest is easy to shake; 5. The legs cannot be fully folded; 6. There is a cumbersome intermediate structure, which is easy to cause safety problems. Contents of the invention [0003] The invention provides a...

AI Technical Summary

Problems solved by technology

[0002] At present, the existing mechanical device of the elderly chair has six major deficiencies: 1. The lifting part of the mechanical device of the elderly chair is not stable, easy to shake, reduces the comfort, and is prone to safety problems; 2. Divided into multiple parts for assembly, the steps 3. The consumption of steel is large and the cost is high; 4. The backrest is easy to shake; 5. The legs cannot be fully folded; 6. There is a cumbersome intermediate structure, which is easy to cause safety problems

Images