81 results about "Wheelchair Wheels" patented technology

The present disclosure provides a wheelchair restraint apparatus that renders easy adjustment of a restraining position of a wheelchair inside a vehicle. One aspect of the present disclosure is a wheelchair restraint apparatus configured to restrain a wheelchair inside a vehicle. The wheelchair restraint apparatus includes a main body having a seat belt, and a restrained mechanism to and from which the wheelchair is attachable and detachable; and a slide mechanism configured to cause the main body to slide with respect to the vehicle. The restraint mechanism is configured to restrain the wheelchair in a state where a part of the wheelchair is inserted to the restraint mechanism in a traveling direction of the wheelchair.

A drive wheel for a wheelchair includes a wheel hub motor, wherein the wheel hub motor has a connecting structure and an output end at a side that is opposite to the connecting structure. The output end is engaged with a wheelchair wheel. The wheel hub motor is surrounded by a receiving case. The receiving case has a control terminal block that is electrically connected to a battery module and a control board which are disposed in the receiving case. Since a portion of the battery module is disposed in the receiving case, the battery module of the wheelchair are separately disposed in drive wheels and the main body of the wheelchair, so that the weight of the battery module is distributed, thereby reducing the weight of the main body and keeping the drive wheel liftable. With such design, the wheelchair could be easily transported and assembled.

A lever assembly for a wheelchair having a wheel lock system with two wheel lock assemblies. Each wheel lock assembly including a wheel lock and an actuator with an actuation cable that controllably moves a lock-pin between a locking and an unlocking position relative to the wheelchair wheels. The lever assembly has a body and a lever, with the body attached to the wheelchair and both actuation cables, and the lever attached to and controlling both actuation cables to manipulate the lock-pins to engage or disengage the wheelchair wheels. The lever is adapted for use by disabled occupants.

The embodiment of the invention relates to the field of intelligent control, and discloses a control method of a wheel-foot type wheelchair, the wheel-foot type wheelchair, equipment and a medium, the control method is applied to the wheel-foot type wheelchair, and the wheel-foot type wheelchair comprises a seat body, wheels, a sensing module and a controller. The method comprises the steps that a controller obtains an environment image of the current environment where the wheel-foot type wheelchair is located through a sensing module, and the ground type of the current environment is determined based on the environment image; the controller selects a target advancing mode from the advancing modes of the wheel-foot type wheelchair according to the ground type; and the controller enables the wheel foot type wheelchair to advance in the target advancing mode by controlling the wheel feet. According to the method, through cooperative work of the sensing module, the controller and the wheel foot mechanism, intelligent advancing mode switching based on environmental perception is achieved so as to adapt to various complex road conditions.

The utility model discloses a convenient-to-operate wheelchair fixing device for a vehicle, which comprises a fixing component fixedly mounted in a carriage of the vehicle through bolts and used for fixing wheels of the wheelchair; the fixing assembly comprises a mounting plate, a fixed check block, a movable check block and a locking mechanism, the mounting plate is a rectangular structural plate and is fixedly mounted in the carriage through bolts, an adjusting groove is formed in the mounting plate, and the movable check block is mounted in the adjusting groove. A fixing assembly is installed in a carriage of a vehicle, a fixed stop block and a movable stop block which are correspondingly arranged on the fixing assembly are used for fixing wheelchair wheels front and back, and clamping grooves with tooth-shaped structural surfaces are formed in the fixed stop block and the movable stop block which are matched in structure, so that the wheelchair wheels are clamped through the clamping grooves; therefore, the wheelchair wheels are fixed on the mounting plate on the fixing assembly, the wheelchair wheels are prevented from moving or sliding in the running process of the vehicle, and the fixing quality of the fixing device on the wheelchair on the vehicle is improved.

The utility model provides a wheelchair chassis and a wheelchair, the wheelchair chassis comprises a chassis connecting part, the chassis connecting part is used for being detachably connected with a seat, so that the wheelchair chassis and the seat have a connected state and a separated state, and when the wheelchair chassis and the seat are in the separated state, the wheelchair chassis has a relatively unfolded state and a folded state. The wheelchair chassis is detachably connected with the seat, and the wheelchair chassis can be independently folded after being detached, so that the size of the wheelchair after being folded is reduced; and the detachable connection mode is also convenient for the user to replace different seats according to needs.

The invention discloses a self-adaptive supporting assembly and a spinal cord injury patient body position transferring device and method, and belongs to the field of medical auxiliary equipment. The problems that in the body position transferring process of an existing wheelchair, dynamic height collapse is generated when the gravity center laterally moves due to elastic deformation of tires, and the wheelchair and a bed body are separated due to the fact that rigid lateral locking is lacked are solved. According to the technical scheme, the wheelchair bed is characterized by comprising a bed body and a wheelchair, a bottom plate with rollers (the rotating direction is perpendicular to driving wheels) is arranged at the bottom of the wheelchair, a motor drives a threaded rod mechanism to push the bottom plate to move downwards, the driving wheels of the wheelchair are jacked up and suspended, and flexible tire supporting is converted into rigid mechanical supporting. The wheelchair and the bed body are mechanically interlocked through the movable armrests in cooperation with a positioning frame and a positioning groove at the bottom of the bed body. The device eliminates elastic settlement during load transfer, ensures absolute stability of a transfer plane, and enables a patient with spinal cord injury to safely and independently complete'zero-clearance 'translation in cooperation with a body position adjusting mechanism.

1. Name of the designed product: Electric wheelchair wheel (3.0). 2. Use of the designed product: The designed product is used for the hub of electric wheelchair. 3. Design points of the designed product: in shape. 4. Picture or photo that best indicates the design points: perspective view.

Wheel system comprising a wheel having a hub with a main axis (X), the hub comprising an inner face with an inner conical surface; a tubular element; a main shaft inserted into the tubular element; a hand-rim comprising an extension portion having a threaded portion; a braking pad having a braking surface and a first conical surface; a coupling member translatably movable axially between a first position in which it rotatably links the hand-rim and the hub, and a second position for braking the hub; a freewheel arranged between the tubular element and the hub; and a blocking part for blocking the rotation of the tubular element relative to the frame.

The present invention relates to a wheelchair mobility handle device. The device is comprised of a handle assembly is positioned within a hollow rim, wherein the rim is fastened to a wheel of a wheelchair. A band positioned within the rim attaches to a bearing on each side of a handle housing. Each bearing then attaches to a handle such that the handle can be pushed forward or backward to tighten the band and propel the wheelchair wheel forward or backward.

1. The name of this design product: Shift plate (hook and buckle straight type). 2. Purpose of this design product: used for patients with limited mobility or disabled people to move from bed to wheelchair, from wheelchair to bed or from wheelchair to car. Realizes the rapid transfer of location. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The present invention relates to an electric wheelchair hub motor, comprising: a housing, a wheel hub, a motor shaft, a stator, a rotor, a rotor fixing seat, and a brake assembly. The housing and wheel hub are both circumferentially rotatably mounted on the motor shaft; the brake assembly comprises an electromagnetic suction base, an elastic member, a push plate, a brake plate, and a limit plate. The motor shaft passes through the electromagnetic suction base, the push plate, the brake plate, the limit plate, and the rotor fixing seat in sequence from bottom to top. The electromagnetic suction base is fixedly connected to the motor shaft, the push plate is slidably connected to the electromagnetic suction base, the limit plate is fixedly connected to the electromagnetic suction base, the rotor fixing seat is circumferentially rotatably connected to the motor shaft, a connecting sleeve is provided on the inner side of the top of the rotor fixing seat, the connecting sleeve is mounted on the motor shaft, and the brake plate is slidably mounted on the connecting sleeve; the top of the rotor fixing seat and the wheel hub are in transmission engagement. By adopting this solution, the brake assembly is integrated into the motor, making the overall structure more compact and stable, and facilitating fixed installation.

The utility model belongs to wheelchair technical field discloses a kind of wheelchair manual power drive device and wheelchair, wheelchair manual power drive device includes cross bar, clamping joint, directional swing piece and grip bar, cross bar opposite both ends are equipped with clamping joint, the position of clamping joint along the length direction of cross bar is adjustable, directional swing piece is located in the middle of cross bar, directional swing piece is configured as driving cross bar directional swing around first direction or second direction, grip bar is located in the end of directional swing piece away from cross bar;Wheelchair includes above-mentioned wheelchair manual power drive device, still includes body, wheel and limiting piece, wheel rotation is arranged in body, hand wheel ring is equipped on wheel, the clamping joint of cross bar opposite both ends is all clamped on hand wheel ring, limiting piece is arranged on body, for the swing range of limiting grip bar.This wheelchair manual power drive device, can be conveniently driven wheelchair forward and backward by user, simple structure, convenient operation is laborsaving.

1. Name of the product in this design: Wheel (front small wheel). 2. Intended use of this design: for wheelchair wheels. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention provides a special electric stair-climbing vehicle with two structures, which consists of a wheelchair, a hook, a motor, a storage battery, a transmission gear, a transmission chain, a power supply, a power supply and a power supply, wherein the hook is arranged on the upper edge of a backrest of the wheelchair and is bent backwards; the motor is fixed below a seat plate of the wheelchair; and two rear wheels and two front wheels or one front wheel are arranged below the wheelchair. A brake is arranged on a handle at the right end of the steering cross rod, and a hard brake is arranged on the right side of the wheelchair. The ladder can be hung on an inclined thicker steel pipe of a handrail of a stair handrail to slide back and forth to go upstairs and downstairs, and can also be easily separated from the inclined thicker steel pipe to run on the flat ground. And a track or a pipeline does not need to be additionally mounted on a stair, or a crawler belt does not need to be additionally mounted on the back of the wheelchair. The device can be used by themselves, is simple in structure, low in price, easy to operate and suitable for being independently used by users of common buildings with more than five floors.

The present invention discloses a self-locking mechanism and a nursing machine, which relate to the field of self-locking technology. The self-locking mechanism provided by the present invention includes: a fixed component, which is fixedly arranged; a rotating mechanism, which includes a self-locking rod and a first rotating component, the self-locking rod is rotatably connected to the fixed component, one end of the self-locking rod is connected to the first rotating component, and the other end of the self-locking rod can be forced to rotate toward the bottom of the fixed component, and the first rotating component is engaged with the external connecting piece. The self-locking mechanism of the present invention does not require manual operation, and has a simple structure and is easy to disassemble and assemble. The nursing machine of the present invention includes: a bed body; a self-locking mechanism as described above; a wheelchair, and the wheelchair is provided with a plurality of electric push rod devices. The nursing machine of the present invention has various functions and is easy to operate.

This invention discloses a high torque density dual-rotor motor and an electric wheelchair using this motor. The motor is a radial flux motor, comprising a stator assembly, an outer rotor, an inner rotor, a planetary gear assembly, a connecting disc, a front cover, and a rear cover. The front and rear covers are joined to form a cavity that encloses all core components. The stator assembly has two optional structures: one is where the stator teeth and windings are fixed to the support disc and the closed slots in the stator's inner diameter by filling with epoxy resin; the other is where several individual stator teeth with windings are connected and fixed into a single unit using epoxy resin, and the entire unit is fixed to the support disc. Finally, the support disc fixes the entire stator to the front cover. In this design, the connecting disc enables synchronous rotation of the inner and outer rotors and transmits power to the shaft. The planetary gear assembly is built into the cavity to amplify torque. Most components of this motor use interference fits, resulting in a compact and lightweight structure with high torque density and transmission efficiency, stable operation, and suitability for the hub motor requirements of electric wheelchairs.

The invention belongs to the field of intelligent control positioning navigation, and particularly relates to an indoor high-precision positioning navigation method for an intelligent wheelchair. The indoor high-precision positioning and navigation method for the intelligent wheelchair comprises the following steps that S10, a multi-view environment image of a hospital camera is obtained, wheelchair contour features and human shape contour features are extracted through a semantic segmentation network, and the human shape contour features further comprise face features; wheelchair identity codes are constructed according to the human shape contour features of the wheelchair taking patient, and different wheelchairs are distinguished according to the human shape contour features of the wheelchair taking patient. According to the scheme, accurate identification and personalized adjustment of the wheelchair, prediction of pedestrian avoidance behaviors and dynamic path planning are realized through image processing, the problem that the use experience of a patient taking the wheelchair is low due to frequent deviation of the intelligent wheelchair during local obstacle avoidance is solved, the collision risk is reduced, and the navigation efficiency is improved.

1. Name of the designed product: wheel hub. 2. Use of the designed product: for wheelchair wheel hub. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The present invention discloses a stage lifting step, which relates to the field of lifting steps, including a base and a limit rod, and the limit rod is distributed on both sides of the base, and a cylinder is installed inside the base, and the cylinders are respectively a first cylinder and a second cylinder, and a support plate is connected above the output end of the cylinder and located above the base, and a plurality of groups of movable blocks are movably installed at the bottom of the support plate, and each group of movable blocks is aligned with the output end of the cylinder, and a bellows is provided at the top of the movable block located inside the support plate. The present invention can push the movable block to squeeze the bellows when the wheelchair is moved to the top of the support plate through the movable blocks, clamps, conduction mechanisms and hydraulic cylinders, and when the support plate is supported and pushed, the hydraulic oil in the bellows enters the hydraulic belt and the hydraulic cylinder respectively through each group of pipes, and the hydraulic cylinder pushes the clamps to move to the position of the wheelchair tire, and the hydraulic belt expands to clamp the tire.

The invention discloses a joint function exercise auxiliary device for a rheumatism patient, and relates to the technical field of medical instruments, an auxiliary device body comprises a workbench, a fixing device and an exercise device, an adjusting groove is formed in the top surface of the workbench, a lead screw is installed between the inner walls of the adjusting groove, and the outer ring of the lead screw is sleeved with two sets of sliding blocks; the fixing device is installed in the adjusting groove, the fixing device comprises a fixed frame, a movable frame and an adjusting rod, and the fixing device has the advantages that the fixed frame and the movable frame are fixed through bolts, so that the movable frame can move upwards, a connecting block is installed on the top face of the movable frame, and the connecting block and the adjusting rod can rotate and move up and down; an included angle can be formed between the fixed frame and the movable frame by rotating the adjusting rod, when the included angle is larger, the wheels of the wheelchair can be lifted, otherwise, when the included angle is smaller, the wheels of the wheelchair and the fixing device are not connected, and the wheels can be driven away from the top face of the workbench at will.

The invention discloses a dual-purpose nursing bed and belongs to the field of nursing beds, a bed body comprises a bottom frame, a bed driving structure, a bed frame and a bed board, the bed driving structure comprises a lifting driving assembly, the lifting driving assembly is connected with the bottom frame and the bed frame, the bed board is installed on the bed frame, the bed frame is provided with an opening, and the opening is located in the edge of the bed frame and communicated with the outside to form an open structure; the dual-purpose nursing bed further comprises a wheelchair, the wheelchair comprises wheels, a mounting frame and a chair plate, the wheels are rotationally mounted at the bottom of the mounting frame, the chair plate is mounted at the top of the mounting frame, the wheels and the mounting frame are located at the opening, the chair plate is located on the bed frame, the bed plate and the chair plate jointly form a bed surface of the dual-purpose nursing bed, and the lifting driving assembly drives the bed frame and the bed plate to move downwards. The chair plate is separated from the bed frame, and the wheelchair can be moved out from the opening; by means of the design, when a patient lies on the nursing bed, the wheelchair can be directly detached from the nursing bed, and the patient located at the position of the wheelchair does not need to move and can be moved out along with the wheelchair.

The utility model discloses a wheel lifting mechanism of a vehicle-mounted wheelchair. The wheel lifting mechanism comprises a motor, a transmission mechanism, a four-bar mechanism, wheels and a mounting base, a mounting base is arranged between the wheels, the four-bar mechanism is connected with the wheels, and a transmission mechanism is arranged on the surface of the mounting base; the transmission mechanism comprises a shell, a driving gear, a driven gear, a ratchet wheel, a left steering gear lever, a right steering gear lever, a deflector rod, a deflector rod arm and a limiting block. The driving levers are arranged on the two sides of the driving lever arm, and the left steering gear lever and the right steering gear lever are both arranged on the inner wall of the shell and make contact with the driving levers. The device is simple in mechanical structure and high in reliability; when the seat is used, the wheels are supported on the ground, a good buffering effect is achieved, and people having difficulty in moving can sit in the seat and stand up from the seat stably.

1. Name of the product in this design: Displacement plate. 2. Purpose of this design: It is used for patients with limited mobility or disabled persons to move from bed to wheelchair, from wheelchair to bed, or from wheelchair to car, achieving rapid relocation. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention discloses a wheelchair fixing mechanism for a wheelchair storage device, and relates to the technical field of wheelchair storage equipment, the wheelchair fixing mechanism comprises a bottom plate fixedly connected in a storage rack of a wheelchair storage device main body; a plurality of mounting openings are fixedly connected to the interior of the bottom plate, and fixing assemblies are arranged in the mounting openings; the fixing assembly comprises a bottom box fixedly connected to the interior of the mounting opening, two symmetrically-distributed sliding plates are slidably connected to the interior of the bottom box, clamping plates are fixedly connected to the tops of the two sliding plates, adsorption grooves are formed in the middles of the opposite faces of the two sliding plates, and iron sheets are fixedly connected to the inner sides of the adsorption grooves; an electromagnet corresponding to the adsorption groove is fixedly connected to the center of the bottom of the inner cavity of the bottom box, and a pressing switch is fixedly connected to the bottom of the inner cavity of the bottom box. Iron sheets are attracted by electromagnets to drive the clamping plates to slide relatively, automatic clamping and fixing of wheelchair tires are achieved, convenience of fixing operation is improved, and displacement of a wheelchair in the storage process can be effectively prevented.

Wheelchair wheel system Wheel system (14,16) comprising a wheel (34) having a hub (36) having a main axis (X), the hub comprising an inner face (37) provided with an internal conical surface (38); a tubular element (22); a main shaft (20) engaged in said tubular element; a handrail (24) comprising an extension portion having a threaded part (30); a brake pad (56) having a braking surface (59) and a first conical surface (57); a coupling member (40) movable in axial translation between a first position in which it rotationally links the handrail and the hub, and a second position for braking the hub; a free wheel (44) disposed between the tubular element and the hub; and a locking piece (74) for locking the tubular element in rotation relative to the frame Figure for the abbreviation: Fig. 1.

The utility model belongs to the technical field of wheelchairs, and particularly relates to a wheelchair with a lifting platform. One end of the telescopic mechanism is fixedly arranged on the wheelchair, and the other end is fixedly provided with a lifting platform. The telescopic mechanism, the lifting platform and the wheelchair are cooperatively used, so that the problems that when an existing wheelchair is transferred on complex terrains, especially transferred from a vehicle to the ground and transferred from the ground to the vehicle, operation is inconvenient, and potential safety hazards exist are solved.

This invention discloses a detachable wheelchair lift and docking device. A fixing frame is used to secure it to the front of the wheelchair, and a wheelchair wheel is mounted on the bottom of the lift frame. One of the fixing frame and the lift frame is fixed to a first connecting part, and the other is fixed to a second connecting part. A shaft is laterally arranged on the first connecting part, and a mating part is provided on the second connecting part for engaging with the outer circumference of the shaft to rotate around it. The mating part and the shaft engage to allow the lift frame to swing and mount on the fixing frame, supporting the front of the wheelchair when the lift frame swings upright and lowering the front of the wheelchair when the lift frame swings tilted. A locking component is provided between the fixing frame and the lift frame to lock and unlock the relative displacement between the lift frame and the fixing frame. A shaft sliding outlet is provided on the radial side of the mating part for the shaft to slide in and out, allowing the lift frame to be detached from the fixing frame. This invention assists the user in raising and lowering the front of the wheelchair while solving the space occupation problem after the wheelchair lift is installed.

1. The name of the design product: Wheel for wheelchair (hollow 4-inch wheel). 2. The use of the design product: for the wheel of a wheelchair. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

1. Name of the product of this design: wheelchair wheel. 2. Purpose of this design product: wheels for wheelchairs. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.