CN-121987037-A - Auxiliary chair for sitting up

Abstract

The application discloses a sitting-up auxiliary chair which comprises a base, a seat cushion and a lifting device, wherein the seat cushion is movably arranged on the base, the lifting device comprises a mounting frame, a lifting mechanism and a driving mechanism, the mounting frame is arranged on the base, the lifting mechanism is arranged on the mounting frame, the bottom of the seat cushion is connected with the lifting mechanism, the driving mechanism is arranged on the mounting frame, and the driving mechanism is used for driving the lifting mechanism to lift the seat cushion and synchronously driving the seat cushion to integrally perform fan-shaped overturning motion. According to the application, the lifting mechanism is driven by the driving mechanism, so that the cushion is controlled to lift and form a fan-shaped overturning track, the natural force-generating track when a human body rises is simulated, the physiological characteristics and the human engineering requirements of gravity center transfer in the rising process of the elderly are met, the natural posture conversion from sitting to standing is effectively assisted, and the seat cushion lifting mechanism has better use experience.

Inventors

• LI PING
• QIAO XUETAO

Assignees

• 士商(上海)智能机械有限责任公司

Dates

Publication Date

20260508

Application Date

20260128

Claims (10)

1. 1. A sit-up assist chair, comprising: A base; The seat cushion is movably arranged on the base; The lifting device comprises a mounting frame, a lifting mechanism and a driving mechanism, wherein the mounting frame is mounted on the base, the lifting mechanism is mounted on the mounting frame, the bottom of the seat cushion is connected with the lifting mechanism, the driving mechanism is mounted on the mounting frame and is used for driving the lifting mechanism to lift the seat cushion and synchronously driving the seat cushion to integrally perform fan-shaped overturning motion.
2. 2. The sit-up assisting chair according to claim 1, wherein the mounting frame comprises two fixing plates, a first cross beam and a second cross beam, the two fixing plates are installed on the base at intervals, the first cross beam and the second cross beam are arranged between the two fixing plates at intervals, two ends of the first cross beam and two ends of the second cross beam are fixedly connected with the fixing plates respectively, the lifting mechanism is hinged to one end, away from the second cross beam, of the fixing plates, one end of the driving mechanism is hinged to the second cross beam, and the other end of the driving mechanism is hinged to the lifting mechanism.
3. 3. The sit-up assisting chair according to claim 2, wherein the lifting mechanism comprises two link assemblies and a cross bar, the two link assemblies are respectively mounted on opposite sides of the two fixing plates, the link assemblies are hinged with the fixing plates, the two link assemblies are connected through the cross bar, and the driving mechanism is hinged with the cross bar.
4. 4. A sit-up assisting chair according to claim 3, wherein the link assembly comprises a first linkage member, a second linkage member and a lifting member, one end of the first linkage member is hinged to the fixing plate, the other end of the first linkage member is hinged to one side of the lifting member, one end of the second linkage member is hinged to the fixing plate, the other end of the second linkage member is hinged to the other side of the lifting member, two ends of the cross rod are fixedly connected with the first linkage members mounted on the two fixing blocks respectively, and the lifting member is fixedly connected with the seat cushion.
5. 5. The sit-up assisting chair according to claim 4, wherein one end of the first link member is hinged to the fixing plate through a first hinge shaft, the other end is hinged to the lifting member through a second hinge shaft, one end of the second link member is hinged to the fixing plate through a third hinge member, the other end is hinged to the lifting member through a fourth hinge shaft, and connecting lines of the first hinge shaft, the second hinge shaft, the third hinge shaft and the fourth hinge shaft form a quadrangle.
6. 6. The auxiliary chair of claim 3, wherein the driving mechanism comprises a telescopic push rod and a motor, the second cross beam is fixedly sleeved with a first hinge plate, the cross beam is fixedly sleeved with a second hinge plate, one end of the telescopic push rod is hinged with the first hinge plate, the other end of the telescopic push rod is hinged with the second hinge plate, and the motor is mounted on the outer wall of the telescopic push rod.
7. 7. The auxiliary chair for sitting up according to claim 1, wherein the base comprises four supporting legs and a connecting rod, the four supporting legs are all arranged vertically, two supporting legs are fixedly connected through the connecting rod, and the supporting legs are connected with the connecting rod to form a rectangular frame structure.
8. 8. The sit-up assisting chair according to claim 7, wherein the support legs are telescopic rods, and the outer walls of the support legs are provided with adjusting rods.
9. 9. The sit-up assistance chair of claim 1, further comprising a backrest fixedly mounted to the base, rotatable armrests being mounted on both sides of the backrest.
10. 10. The sit-up assistance chair of claim 9, wherein one of the armrests is fitted with a control button.

Description

Auxiliary chair for sitting up Technical Field The invention relates to the technical field of auxiliary seats, in particular to a sit-up auxiliary seat. Background Currently, there are some seats or devices on the market that aim to assist in lifting, common forms including simple armrest heightened designs, seat partial lift mechanisms, etc. However, many existing products only provide lifting assistance in the vertical direction or overturn around the rotating shaft at the front end of the seat, the overturning track is semicircular, physiological characteristics and human engineering requirements of gravity center transfer in the lifting process of the old are not fully considered, and the simple vertical lifting or semicircular overturning often cannot effectively assist a user to complete natural posture conversion from sitting to standing, so that the use experience is not smooth enough. In order to solve the problems, the application provides a sit-up auxiliary chair. Disclosure of Invention Based on the above, in order to solve the problems existing in the prior art, the application provides an auxiliary chair for sitting up, comprising a base; The seat cushion is movably arranged on the base; the lifting device comprises a mounting frame, a lifting mechanism and a driving mechanism, wherein the mounting frame is mounted on the base, the lifting mechanism is mounted on the mounting frame, the bottom of the seat cushion is connected with the lifting mechanism, the driving mechanism is mounted on the mounting frame, and the driving mechanism is used for driving the lifting mechanism to lift the seat cushion and synchronously driving the seat cushion to integrally perform fan-shaped overturning motion. Further, the mounting bracket comprises two fixed plates, a first beam and a second beam, the two fixed plates are arranged on the base at intervals, the first beam and the second beam are arranged between the two fixed plates at intervals, two ends of the first beam and two ends of the second beam are fixedly connected with the fixed plates respectively, the lifting mechanism is hinged to one end, far away from the second beam, of the fixed plates, one end of the driving mechanism is hinged to the second beam, and the other end of the driving mechanism is hinged to the lifting mechanism. Further, the lifting mechanism comprises two connecting rod assemblies and a cross rod, the two connecting rod assemblies are respectively arranged on opposite sides of the two fixing plates, the connecting rod assemblies are hinged to the fixing plates, the two connecting rod assemblies are connected through the cross rod, and the driving mechanism is hinged to the cross rod. Further, the connecting rod assembly comprises a first linkage piece, a second linkage piece and a lifting piece, one end of the first linkage piece is hinged with the fixed plate, the other end of the first linkage piece is hinged with one side of the lifting piece, one end of the second linkage piece is hinged with the fixed plate, the other end of the second linkage piece is hinged with the other side of the lifting piece, two ends of the cross rod are respectively fixedly connected with the first linkage piece arranged on the two fixed blocks, and the lifting piece is fixedly connected with the seat cushion. Further, one end of the first linkage piece is hinged with the fixed plate through a first hinge shaft, the other end of the first linkage piece is hinged with the lifting piece through a second hinge shaft, one end of the second linkage piece is hinged with the fixed plate through a third hinge piece, the other end of the second linkage piece is hinged with the lifting piece through a fourth hinge shaft, and connecting lines of the first hinge shaft, the second hinge shaft, the third hinge shaft and the fourth hinge shaft form a quadrangle. Further, the driving mechanism comprises a telescopic push rod and a motor, the second cross beam is fixedly sleeved with a first hinge plate, the cross beam is fixedly sleeved with a second hinge plate, one end of the telescopic push rod is hinged with the first hinge plate, the other end of the telescopic push rod is hinged with the second hinge plate, and the motor is arranged on the outer wall of the telescopic push rod. Further, the base includes four supporting legs and connecting rod, and four supporting legs all are vertical setting, through connecting rod fixed connection, the supporting leg is connected with the connecting rod and is formed rectangular frame structure between two liang of supporting legs. Further, the supporting leg is a telescopic rod, and an adjusting rod is arranged on the outer wall of the supporting leg. Further, the novel chair also comprises a backrest, wherein the backrest is fixedly arranged on the base, and two sides of the backrest are provided with rotatable armrests. Further, one of the armrests is provided with a control button. The application has the benefici