64 results about "Seat lift mechanism" patented technology

The invention discloses a sitting horizontal type individual lower limb rehabilitation training robot. The robot comprises a leg part mechanism, a middle seat mechanism and a man-machine interface. The leg part mechanism comprises an electric control box, a leg part mechanism substrate, a leg part mechanism machinery arm and handrails; the middle seat mechanism comprises a seat, a seat lifting mechanism, a seat push mechanism and a seat angle adjusting mechanism. A thigh and a crus of the leg mechanism machinery arm of the robot are adjustable in length, the seat is adjustable in both width and height; the functions are helpful to meet the demand of a patient with different figures and provide a proper training guest for the patient. Every joint of the leg part mechanism is configured with a driving motor, a pull pressure sensor and a position sensor for providing multiple training tracks to the patient and also providing hardware support to a plurality training methods including passive training, active training and assistant training. In the process of training, the pull pressure sensor of every joint of the leg part mechanism can provide a joint force monitor in order to avoid the unexpected cases.

The invention discloses a wheelchair seat position and posture adjusting mechanism. The wheelchair seat position and posture adjusting mechanism is characterized by mainly comprising a cross four-rod mechanism a seat lifting mechanism, a seat manually-leveling mechanism, a seat electrically-leveling mechanism, a seat locking mechanism and a control system. The cross four-rod mechanism mainly comprises a right cross rod, a left cross rod, a left sliding block, a right sliding block, a left screw shaft and a right screw shaft. The seat lifting mechanism mainly comprises a seat manually-adjusting lifting mechanism and an electrically-adjusting lifting mechanism. The seat manually-leveling mechanism mainly comprises a leveling handle, a left upper wheel gear, a right upper wheel gear, a left middle wheel gear, a middle shaft, an upper tie bar, a right middle wheel gear, an upper sector gear, a small shaft, a left lower wheel gear and a right lower wheel gear and a long shaft. The electrically-leveling mechanism mainly comprises a leveling motor, a left spur wheel gear, a right spur wheel gear, a short shaft, a lower sector gear, a lower tie bar, a left spur wheel gear, a lower shaft and a right lower spur wheel gear. The seat locking mechanism mainly comprises a cam, a spring ball, a lower sliding block, a left upper spur wheel gear and a right upper spur wheel gear.

The invention relates to a desk and chair, in particular to a desk and chair for correcting sitting postures of students. According to the desk and chair for correcting the sitting posture of the student, the height can be adjusted, the angle can be adjusted, and the sitting posture of the student can be corrected. The desk and chair for correcting the sitting posture of a student comprises a slotted base having two fixed guide rail frames connected to one upper side, a movable table plate structure arranged between the fixed guide rail frames, and a movable seat mechanism mounted on the otherside of the slotted base. The height of the cushion can be adjusted through a seat lifting mechanism, the angle of the cushion can be adjusted through a rotating shaft, the height of the desk board can be adjusted through a desktop lifting mechanism, and the angle of the desk board can be adjusted through a pin rod; therefore, the height of the cushion and the desk board can be adjusted accordingto the height of a student, the distance between the cushion and the desk board can be adjusted, and the sitting posture of the student can be corrected.

A seat for a fishing or bass boat can be raised or lowered by an operator. The elevation mechanism preferably includes a power mechanism to operate a screw jack and the power mechanism may be battery powered, hydraulically powered, or operated by other power-assist means. The screw jack enables the seat to be raised to approximately twice its retracted height.

The invention discloses a mechanical system of a multi-purpose electric bath chair. The mechanical system comprises a back posture adjusting mechanism, a chair lifting mechanism, a chassis moving mechanism, a pedal plate protecting mechanism and a brake mechanism, wherein for the back posture adjusting mechanism, one motor drives two parallel four-bar mechanisms, and the angle between a backrest of the bath chair and a seat board can be adjusted, so that the sitting posture and the lying posture can be converted; for the chair lifting mechanism, the height of chair can be adjusted, and the chair lifting mechanism comprises an electric push rod connecting mechanism and a lifting parallel four-bar mechanism; the chassis moving mechanism is the support component of the whole bath chair, the bath chair adopts universal wheels and directional wheels, and thus moving and steering are convenient; the pedal plate protecting mechanism can be unfolded and folded through a rotation mechanism; forthe brake mechanism, the braking for the rear wheels, namely, the directional wheels is realized through one set of crank-link mechanism. The device belongs to the intelligent nursing type multi-purpose bath chair, the functions including flexible movement, free lifting, posture adjustment, brake locking and the like are realized, the burden of nursing staff can be alleviated, and the work including transporting of old people, bathing, massaging and the like can be assisted.

A wheelchair with an automatic seat lift mechanism is disclosed. The wheelchair includes a seat that is connected to a lift mechanism. The lift mechanism is connected to a pump that is driven by a motor, wherein the pump is an electrical pump or a hydraulic pump. In one embodiment, the motor is actuated via a hand held controller having a joystick thereon. The joystick can be used to change the height and position of the seat so as to ease the process of getting into and out of the wheelchair. When the seat is in an elevated position, the armrests of the wheelchair can be pivoted upward so that they do not interfere with the movement of the seat. The seat can be positioned adjacent to a bed or another supporting surface so that the wheelchair user can slide onto or off of the seat without being lifted.

The invention discloses a multifunctional indoor movable chair, which is characterized by comprising a bottom frame, a carrying wheel arranged on the bottom frame, an anti-reverse mechanism fixedly arranged on the bottom frame, a seat lifting mechanism rotatably arranged on the bottom frame, a seat plate rotatably arranged on the seat lifting mechanism, a back plate capable of adjusting the heightand the angle and arranged on the seat plate, a headrest capable of adjusting the height and the angle and arranged on the back plate, a pedal capable of adjusting the height and detachably arrangedon the seat plate, and a rotatable armrest frame arranged on two sides of the seat plate. The multifunctional indoor movable chair has a simple structure, can provide good assistance for different crowds such as the elderly and the people with functional disorders of lower limbs, thereby achieving comfortable lifting, completing life activities conveniently and carrying out rehabilitation walking-aid training, improving life quality, improving leg muscle strength level and promoting rehabilitation.

The invention provides a seating apparatus having a reclining movement with a corresponding seat lift movement. The apparatus further provides a seating support surface having increased comfort comprising a shaped diaphragm with a series of calculated openings provided throughout.

A lift mechanism for a reclining chair is provided. The lift mechanism can include a lock that prevents the seat from shifting from a reclining position into a seat-lift position without first shifting into an upright, closed position. The lock is shiftable between a locked position, where the chair is prevented from shifting into a seat-lift position and an unlocked position where the chair is permitted to shift into a seat-lift position. The lift mechanism can include an activator tube that can shift the lock between the unlocked and locked positions.

The invention provides a continuous timber stacking system, and belongs to the technical field of timber processing. The continuous timber stacking system comprises a tray conveying belt, a timber conveying belt and a sliding rail, and further comprises a stacking machine connected with the sliding rail and the tray conveying belt, and stacking and putting machines connected with the timber conveying belt; the stacking machine comprises a stacking machine seat slidingly connected with the sliding rail; a rotary seat capable of rotating by 360 degrees is arranged on the stacking machine seat; arotary seat lifting mechanism capable of carrying out reciprocating lifting in the vertical direction is arranged on the stacking machine seat, and is connected with the rotary seat; each stacking and putting machine comprises a stacking and putting seat located above the timber conveying belt; the stacking and putting seats are located above the stacking machine seat; and suction disc mechanismscapable of sucking timbers on the timber conveying belt and putting the timbers onto the rotary seat are arranged on the stacking and putting seats. The continuous timber stacking system is high in automation degree, and can complete assembly line work of tray receiving an conveying, timber suction, timber stacking and stack conveying.

The invention discloses an adjustable kickstand device for a burn patient. The adjustable kickstand device comprises a base, a seat mechanism, a flexion and extension mechanism, a lifting mechanism and a swing mechanism. A sliding rail is arranged on the surface of the base which is a hollow cuboid; the seat mechanism is installed on the base through the sliding rail. The flexion and extension mechanism is installed on the base and located on the same straight line with the sliding rail, and an adjustable friction part is arranged on the flexion and extension mechanism; the lifting mechanism and the swing mechanism are parallel to the sliding rail, are arranged in the base side by side, and are symmetrically arranged on the two sides of the sliding rail by taking the sliding rail as an axis; the seat mechanism comprises a seat, a raising mechanism and a chassis; the chassis is arranged on the sliding rail and is provided with a locking part; the raising mechanism is connected with thechassis and the seat to enable the seat to move up and down; passive exercise of knee joints and ankles of a patient can be carried out; when the ankle of the patient is passively exercised, the anklecan be simply moved up and down according to the condition of the patient, and then the ankle is upgraded to do circular motion, so that the exercise of the patient is progressive.

The invention relates to scissors lifting gears, and especially relates to a seat lifting mechanism. The seat lifting mechanism comprises an upper bracket, a lower bracket, a first support bar, a second support bar, an upper sliding block, a lower sliding block and a transmission rod. The transmission rod is fixedly connected to the bottom of the lower bracket, the first support bar and the second support bar are hinged in a center crossing way, the upper end of the first support bar is hinged to the upper bracket, the lower end of the first support bar is hinged to the lower sliding block, the lower sliding block is connected to the lower bracket in a sliding way, the upper end of the second support bar is hinged to the upper sliding block, the lower end of the second support bar is hinged to the lower bracket, the upper sliding block is connected to the upper bracket in a sliding way, the lower sliding block comprises a lower bracket connection portion and a transmission rod connection portion, the lower bracket connection portion is connected to the lower bracket in a sliding way, the transmission rod is provided with a transmission part, and the transmission part is used for connecting the transmission rod connection portion to the transmission rod in a sliding way. The accurate vertical adjustment can be guaranteed, the lifting height range is great, and the reliable stiffness and bearing capacity are guaranteed.

A lift mechanism for a reclining chair is provided. The lift mechanism can include a lock that prevents the seat from shifting from a reclining position into a seat-lift position without first shifting into an upright, closed position. The lock is shiftable between a locked position, where the chair is prevented from shifting into a seat-lift position and an unlocked position where the chair is permitted to shift into a seat-lift position. The lift mechanism can include an activator tube that can shift the lock between the unlocked and locked positions.

The invention is suitable for the technical field of medical auxiliary instruments, and provides a self-service type displacement robot. The robot comprises a main frame body, an opening and closing seat, a seat rotating mechanism, a seat lifting mechanism, a walking mechanism and an electric control module, the opening and closing seat is composed of a left seat frame assembly and a right seat frame assembly, the electric control module controls the seat rotating mechanism to drive the opening and closing seat to be unfolded or closed relatively, the electric control module controls the seatlifting mechanism to drive the opening and closing seat to ascend and descend vertically, and the electric control module controls the walking mechanism to drive the main frame body to move forwards.Therefore, according to the robot, a patient can be helped to realize automatic displacement, nursing accompanying personnel are not needed, the nursing workload is reduced, and the service quality and the service efficiency are improved.

The invention discloses a seat lifting mechanism. The seat lifting mechanism comprises an upper support, a lower support, a left shear rack and a right shear rack. The left shear rack and the right shear rack are each internally provided with an inner shear plate and an outer shear plate. The inner shear plates and the outer shear plates are provided with a rotary volute spiral spring shaft. A ratchet wheel and two volute spiral spring coils are arranged on the volute spiral spring shaft. The two volute spiral spring coils are located on the two sides of the inner shear plates respectively, one end of each volute spiral spring coil is fixed to the volute spiral spring shaft, and the other end of each volute spiral spring coil is fixed to the corresponding inner shear plate. Two upper sliding grooves and two lower sliding grooves are formed in the corresponding positions of the upper support and the lower support. Lower sliders are installed in the two lower sliding grooves respectively. An upper slider is installed in one of the two upper sliding grooves. A locking slider is arranged in the other of the two upper sliding grooves. A lower slider connection rod is connected between the two lower sliders. The upper slider and the locking slider are connected through an upper slider connection rod. A gear groove is formed in the end of the locking slider. The seat lifting mechanism further comprises a stabilizing mechanism. Compared with the prior art, the seat lifting mechanism is convenient and stable to operate.

A walking assistance device configured to permit the independent movement of an individual via simulated weight reduction is described. The device is configured to partially suspend a portion of a user's weight via a seat-lifting system, facilitating the movement of a user with experiencing difficulty walking without assistance. The system of the device preferably employs a seat, a hydraulic or electric seat-lift mechanism, a seat restraint, a frame, wheels, a brake system, and a power source. The seat-lift mechanism is configured to rise and lower the seat, enabling the user to control the percentage of weight lifted, while the feet of the user remain in partial contact with the floor. The frame forms the structure and support of the device, and is configured to move laterally via wheels on the bottom of the frame of the device.

The invention provides an auxiliary sitting-up assisting device for old people falling down. Two symmetrical lifting mechanisms can help the old people falling down and lying on the ground to lift theupper half body, and therefore a seat can be delivered to the position below the buttocks and the back of the old people; the hip and the back of the old person are supported by the two symmetrical chair back transfer mechanisms, so that the old person is helped to change the posture from lying on the ground to sitting on the ground; the seat adopts a soft and hard combined pocket piece with a seat surface and a net bag, so that secondary injury possibly caused in the process of assisting the old to sit on the ground is avoided; the two symmetrical seat lifting mechanisms achieve lifting of the seat, and help the old to change the posture from sitting on the ground to sitting off the ground.

The invention discloses an intelligent seat arranged on a bus station. The intelligent seat includes a box body, wherein a box body empty bin with an upward opening is arranged in the box body; a baseis fixedly arranged on the lower end surface of the box body; a seat lifting mechanism is arranged in the box body empty bin; the seat lifting mechanism comprises a first rack; the movement range ofthe first rack is stabilized by four fixed plates; the four fixed plates are fixedly arranged on the inner wall of the rear side of the empty bin of the box body; the rotating shaft is rotationally arranged at the upper end of the first rack; when no passenger waits for the bus, the intelligent seat can be accommodated in the box and is small in occupied area, so that the bus station can be provided with more waiting chairs to meet the seat requirements when the passenger flow is large, normal use of the chairs cannot be affected in severe weather due to the fact that the chairs are stored inthe box, and certain vulnerable groups (old people, pregnant women and the like) can sit on the bus more safely and comfortably through the automatic armrests of the chairs.

To assist disabled persons that cannot get from the floor into a wheelchair without assistance or other lift devices, the wheelchair is provided with a translatable carriage on which the wheelchair seat is mounted. A DC motor is arranged to drive a lead screw that engages a travelling nut secured to the carriage to lower the seat to floor level where a paraplegic can leave and re-enter upon the wheelchair seat. Accessible controls allow the occupant to be able to operate the motor from the seat when at floor level so as to be raised to a normal chair seating height.

The invention relates to a multi-posture lower limb rehabilitation robot. The multi-posture lower limb rehabilitation robot comprises a base, a base supporting frame fixedly installed on the base, a weight reduction device fixed to the upper end of the base supporting frame through a right-angle connecting plate, lower limb training mechanisms symmetrically installed on the inner side of the basesupporting frame through lower limb training connecting plates, and a seat mechanism fixed to the base through a seat connecting plate. According to the lower limb rehabilitation robot, through a seatlifting mechanism and a seat moving mechanism which are arranged between a seat and the base, the height and the position of the seat can be adjusted, and the angle of a seat back is adjusted in cooperation with a seat angle adjusting mechanism, so that conversion of multiple postures such as a standing posture, a standing-up posture, a lying posture and a user-defined angle is achieved.

The invention discloses a walking assisting instrument convenient for senior citizens having difficulty in walking and disabled people. The walking assisting instrument comprises a main structure framework, front foot wheels, rear foot wheels, a creeping mechanism, a liftable telescopic handrail mechanism, a seat, and a seat lifting mechanism, wherein the front foot wheels are arranged at the lower parts of the main structure framework; the rear foot wheels are arranged at the lower part of the main structure framework through rear foot wheel connecting rods; the liftable telescopic handrail mechanism is arranged at the top of the main structure framework; the creeping mechanism is arranged on two sides of the main structure framework and is located at the front part of the front foot wheel; and the seat is in transmission connection with the seat lifting mechanism through a seat position maintaining mechanism and a seat lifting shock absorber. The walking assisting instrument disclosed by the invention can assist people that have difficulty in walking to perform auxiliary walking and recovering training; the standing and the sitting of the people are easier; the walking assistinginstrument can automatically help a person that needs assistance to independently stand up or sit down from a bed or a chair; and when the walking assisting instrument is used, people can walk stably,can climb up and down a slope with the cooperation of hands and feet, and can climb up and down a step which is less than or equal to 180mm under manual assistance.

The invention relates to a lifting device, in particular to a lightweight seat lifting mechanism. The lightweight seat lifting mechanism comprises a hollow upright post and a movable inner pipe, wherein a seat plate support is fixed to the upper end of the hollow upright post; a handle is fixed below the seat plate support. The lightweight seat lifting mechanism is characterized in that a spring is fixed to the bottom of the hollow upright post; a lock rod is inserted into the center of the hollow upright post; a lock ring is arranged on the lock rod; the lock rod on the lower part of the lock ring is inserted into the center of the spring; a nylon tile sleeve is sleeved on the lock ring; the inner pipe is sleeved on the lock rod; the bottom end of the inner pipe is conical; the bottom end of the inner pipe is inserted into the center of the nylon tile sleeve. The lightweight seat lifting mechanism has the advantages of simple structure, labor conservation in adjustment, safety in use and convenience in installation.

The invention relates to an exercise device, in particular to an upper limb muscle exercising device for the neurology department. The upper limb muscle exercising device for the neurology department has the advantages of automatic lifting, automatic shoulder beating and automatic back massaging. The upper limb muscle exercising device for the neurology department comprises a seat, a lifting mechanism, two containing plates, a clamping mechanism and a back massage mechanism, wherein the seat is arranged on the upper portion of a fixing frame; the lifting mechanism is arranged on the fixing frame; the two containing plates are arranged on the lifting mechanism; the clamping mechanism is connected between the two containing plates; and the back massage mechanism is connected between the seat and the lifting mechanism. People control a telescopic rod of an air cylinder to move downwards, so that a lifting frame and the containing plates are driven to move downwards, a first spring and a second spring play a buffering role, and the lifting effect is achieved.

The invention discloses a bike-riding fitness builder capable of generating electricity. The bike-riding fitness builder capable of generating electricity comprises a machine frame, a shell, a seat adjustment device, and a storage battery; the shell is horseback-shaped and is fixed on the machine frame; two sides of the shell are fixed with a handle respectively; the front side of the shell is provided with a storage battery adjustment instrument panel, and an output socket; the storage battery is fixed on the machine frame in the shell; the seat adjustment device is fixed on the machine frame; the profile curve of a seat is consistent with that of the shell when the seat is not adjusted; the seat adjustment device comprises the seat, a seat lifting mechanism, and an adjustment rotation handle; the bike-riding fitness builder capable of generating electricity also comprises a hollow rotation wheel, an electric generator and a pedal; an annular gear is fixed in the center of the outer surface of the hollow rotation wheel, and two sides of the outer surface of the hollow rotation wheel are provided with self-lubricating rotation materials; the hollow rotation wheel can be arranged on the machine frame in a rotatable way and is also fixed with two pedal shafts; the pedal can be sleeved on the pedal shafts in a rotatable way; the electricity generator is fixed on the machine frame; and an input end of the electricity generator is fixed with a pinion which is in gearing mesh with the annular gear. The invention provides a novel, and environment-friendly bike-riding fitness builder capable of generating electricity.

The invention discloses a wheelchair with a stair climbing function. The wheelchair comprises a seat mechanism, seat lifting mechanisms, a crawler driving mechanism and a flat land driving mechanism,wherein the seat lifting mechanisms are symmetrically arranged on seat frameworks on two sides of a seat plate, the tops of seat lifting rods are connected with the seat plate, and seat hydraulic cylinders are fixedly installed on the seat frameworks; the crawler driving mechanism comprises crawlers, a walking mechanism platform and crawler lifting mechanisms, the bottoms of crawler lifting rods of the crawler lifting mechanisms are connected with the walking mechanism platform, and the crawler hydraulic cylinders are fixed at the bottoms of the seat frameworks; the flat land driving mechanismcomprises a pair of rear wheels and a pair of front wheels, the front wheels are fixed below the seat frameworks through front wheel shafts and front wheel supporting frames, and the rear wheels aredriven through a rear driven motor. According to the wheelchair, the transition between the stair climbing process and the flat land driving process is completed through a hydraulic mechanism, so thatthe switching of stair climbing and flat land driving of the wheelchair is smoother and more convenient, and the wheelchair has the advantages of being simple in structure and convenient to use.

The invention discloses an automatic stretching and retracting device and method for an old-age-assisting toilet bowl. The device comprises a seat, a lifting mechanism, a rocker mechanism, a sensing mechanism and a controller. The seat comprises a support, a cushion and a backrest. Each lifting mechanism comprises a rod motor, a driving rod, a first bevel gear, a second bevel gear, a ball screw and a screw sleeve, and each rocker mechanism comprises a rocker motor, a first crank, a second crank, a first sensing mechanism pressure sensor and a second sensing mechanism pressure sensor. The controller firstly drives the cushion to ascend, a change curve of a leg pressing force is drawn, it is finally judged whether the leg pressing force is kept in a constant range or not, if yes, the rotation of the rod motor close to the cushion is stopped, the rotation of the rod motor far away from the cushion is stopped after the inclination angle of the cushion reaches a preset angle, and the rockermotor is finally driven to rotate to enable the cushion to move towards the direction of the person having difficulty in moving. The system is safer and more reliable, does not need to carry other equipment, and is more convenient to use.