A sit-to-stand training device

Abstract

A sit-to-stand training device comprises a chassis, four walking wheels rotatably mounted at four corner portions of the chassis respectively, a motor drive connected to the front connecting rotating wheel, a vertical frame fixedly mounted on the chassis, an up-down guide rail fixedly mounted above the vertical frame, a sliding block slidingly fitted on the guide rail, an adjusting frame fixedly connected to the sliding block, a first electric push rod with a movable end hinged to the sliding block and a body hinged to the vertical frame, a table board mounted on the top of the adjusting frame, handrail frames fixedly arranged at both sides of the table board, a hinge seat fixedly connected to the fixed frame, a rocker arm hinged to the hinge seat through a horizontal left-right direction shaft, a second electric push rod with an upper end hinged to the lower end of the rocker arm and a body hinged to the vertical frame, an L-shaped rod fixedly mounted at the upper end of the rocker arm, a sitting board fixedly connected to the lower end of the L-shaped rod, and C-shaped leg supports mounted at both sides of the hinge seat. The training device is convenient to dock with a wheelchair, a sickbed, a toilet and other facilities.

Description

Technical Field

[0001] This utility model relates to rehabilitation training equipment, and in particular to a sitting and standing assisted walking training device, belonging to the field of rehabilitation training machinery technology. Background Technology

[0002] For patients with insufficient leg support, using a walking aid can accelerate the rehabilitation process, prevent muscle atrophy, and improve cardiopulmonary function. Existing traditional standing and sitting walking aids only have a seat-turning function. Many such devices exist, some powered, others merely providing support. Several technical solutions are disclosed in Chinese patent applications, such as CN108744416B (lower limb rehabilitation training walking aid robot), CN112263446A (a walking aid with integrated training and walking functions), CN110934723A (a foot-driven walking training walking aid), and CN110974633A (an intelligent walking rehabilitation training robot). However, these devices are not only structurally complex, but also cannot be easily transferred from a wheelchair or bedside to the walking aid, nor can they be connected to a toilet. Furthermore, during the walking process, the affected leg of a hemiplegic patient with limited mobility may drag haphazardly on the ground, causing injury during the movement of the drive wheels. Additionally, patients cannot connect to a toilet and require assistance. Summary of the Invention

[0003] The purpose of this invention is to overcome the aforementioned problems in existing walking aids and to provide a sitting-standing walking aid.

[0004] To achieve the purpose of this utility model, the following technical solution is adopted: a sitting-standing walking aid trainer, including a chassis, with wheels rotatably installed at the four corners of the chassis, a connecting wheel at the front connected to a motor drive, the motor connected to a controller, and a power supply for the drive motor configured on the trainer, characterized in that: a vertical frame is fixedly installed on the chassis, a vertical guide rail is fixedly installed above the vertical frame, a slider is slidably fitted on the guide rail, an adjustment frame is fixedly connected to the slider, the movable end of the first electric push rod is hinged to the slider, the body is hinged to the vertical frame, a chest guard is fixedly installed on the rear end face of the movable frame, a table is installed on the top of the movable frame, and handrail frames are fixedly installed on the lower sides of the table;

[0005] A hinge seat is fixedly connected to the fixed frame. The rocker arm is hinged to the hinge seat through a horizontal axis. The upper end of the second electric push rod is hinged to the lower end of the rocker arm, and the machine body is hinged to the vertical frame. The upper tail end of the L-shaped rod is fixedly installed on the upper end of the rocker arm, and a seat plate is fixedly connected to the lower end of the L-shaped rod.

[0006] C-shaped leg supports are installed on both sides of the hinge seat, and sponge pads are fixedly installed inside the leg supports.

[0007] Both the first and second electric push rods are connected to the controller for control.

[0008] Two pairs of fixing members are fixedly installed on the chassis at the corresponding positions of the two feet. The front pair of fixing members are connected to foot restraint straps with Velcro, and the two rear fixing members are connected to heel limiters.

[0009] Furthermore, the seat is detachably and fixedly connected to the L-shaped rod.

[0010] Furthermore, the handrail frame is fixedly connected to the inner sleeve, the inner sleeve is slidably inserted into the outer sleeve in the left and right direction, the outer sleeve has a set screw hole, the outer sleeve is fixedly connected to the top of the adjustment frame, and the inner sleeve is locked by a set screw screw on a handle screwed into the set screw hole.

[0011] Furthermore, the tabletop is supported on the outer sleeve, and a hinge plate is fixedly connected to the lower part of the tabletop. The hinge plate has multiple indexing holes, and a hinge block is fixedly installed on the vertical frame. The hinge block is hinged to the hinge plate through an indexing hole.

[0012] The positive and beneficial technical effects of this utility model are as follows: the structure of this training device is relatively simple and it can be easily connected with facilities such as wheelchairs, hospital beds, and toilets, which can reduce the labor of assistive personnel. Attached Figure Description

[0013] Figure 1 This is an overall schematic diagram of the present invention.

[0014] Figure 2 This is a partial schematic diagram of the upper part of this utility model.

[0015] Figure 3 This is a partial schematic diagram of the supporting table's lower part.

[0016] Figure 4 This is a schematic diagram of the second electric actuator drive. Detailed Implementation

[0017] To more fully explain the implementation of this utility model, implementation examples are provided. These implementation examples are merely illustrative of this utility model and do not limit its scope.

[0018] :5. The present invention will be further explained in detail with reference to the accompanying drawings, in which the following references are made: 1: chassis; 2: wheels; 3: motor; 4: foot restraint strap; 5: heel limiter; 6: adjustment frame; 7: chest protector; 8: armrest frame; 9: leg support; 10: L-shaped rod; 11: seat; 12: table; 13: guide rail; 14: slider; 15: first electric push rod; 16: inner sleeve; 17: outer sleeve; 18: handle set screw; 19: hinge block; 20: hinge plate; 21: indexing hole; 22: rocker arm; 23: hinge seat; 24: second electric push rod; 25: vertical frame;

[0019] As shown in the attached diagram, a sitting-standing walking aid training device includes a chassis 1, with wheels 2 rotatably mounted at the four corners of the chassis. A motor 3 drives a connecting wheel at the front, enabling the chassis to move. Different speeds of the two motors create differential speed, allowing the chassis to turn. The motors are connected to a controller. The training device is equipped with a power supply for the drive motors. A vertical frame 25 is fixedly mounted on the chassis. A vertical guide rail 13 is fixedly mounted above the vertical frame, with a slider 14 slidingly engaged on the guide rail. An adjustment frame 6 is fixedly connected to the slider. The movable end of a first electric push rod 15 is hinged to the slider, and the main body is hinged to the vertical frame. The first electric push rod drives the adjustment frame to move up and down to accommodate different heights. A chest protector is fixedly mounted on the rear end face of the movable frame. A tabletop 12 is installed on the top of the movable frame, and armrest frames 8 are fixedly installed on both sides of the tabletop. In this embodiment, the armrest frames 8 are fixedly connected to the inner sleeve 16, which is slidably inserted into the outer sleeve 17 in the left-right direction. The outer sleeve 17 has a set screw hole and is fixedly connected to the top of the adjusting frame. The inner sleeve is locked to the outer sleeve by a handle set screw 18 screwed into the set screw hole. The left and right positions of the armrest frames can be adjusted by moving the inner sleeve in the outer sleeve. The tabletop 12 is supported on the outer sleeve 17. A hinge plate 20 is fixedly connected to the lower part of the tabletop. The hinge plate has multiple indexing holes 21. A hinge block 219 is fixedly installed on the vertical frame 25. The hinge block 19 is hinged to the hinge plate through an indexing hole. The angle of the tabletop can be adjusted by hinged to different indexing holes.

[0020] A hinge seat 23 is fixedly connected to the vertical frame. The rocker arm 22 is hinged to the hinge seat via a horizontal axis. The upper end of the second electric push rod 24 is hinged to the lower end of the rocker arm, and the body is hinged to the vertical frame. The upper tail end of the L-shaped rod 10 is fixedly installed on the upper end of the rocker arm 22. A seat plate 11 is fixedly connected to the lower end of the L-shaped rod. The seat plate is detachably and fixedly connected to the L-shaped rod, so that the seat plate can be easily replaced with a toilet seat for the patient's convenience.

[0021] C-shaped leg supports 9 are installed on both sides of the hinge seat, and sponge pads are fixedly installed inside the leg supports; in this embodiment, the leg supports can be adjusted left and right and forward and backward using the above-mentioned inner sleeve and outer sleeve adjustment structure.

[0022] Both the first and second electric push rods are connected to the controller for control.

[0023] Two pairs of fixing members are fixedly installed on the chassis at the corresponding positions of the two feet. The front pair of fixing members are connected to foot restraint straps 4 with Velcro, and the two rear fixing members are connected to heel limiters 5. The foot restraint straps 4 and heel limiters 5 are used to limit the feet and prevent the patient's feet from being injured.

[0024] When using this device, if the trainer is needed at the bedside or in a wheelchair, the user operates the handle to control the motor to move forward or backward simultaneously, and can also turn left or right at differential speed. The second electric push rod, controlled by the handle, moves the seat up and down to align with the bed / wheelchair. The user then moves their hips to the seat. The second push rod, controlled by the handle, assists the user in standing, thus aligning the seat with the table. When the user needs to use the toilet, the seat is replaced with a toilet seat. The user sits on the toilet seat and uses the handle to raise the trainer to a certain height above the toilet. When the patient is only performing daily activities, a soft pad can be placed on the seat. This trainer can meet the user's needs for transfers, toileting, and reading while standing or sitting.

[0025] After a detailed description of the embodiments of this utility model, those skilled in the art will clearly understand that various changes and modifications can be made without departing from the scope and spirit of the above-mentioned patent applications. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of this utility model shall fall within the scope of the technical solution of this utility model, and this utility model is not limited to the embodiments of the examples given in the specification.

Claims

1. A sitting-standing walking aid trainer, comprising a chassis, with wheels rotatably mounted at the four corners of the chassis, a connecting wheel at the front connected to a motor drive, the motor connected to a controller, and a power supply for the drive motor configured on the trainer, characterized in that: A vertical frame is fixedly installed on the chassis, and a vertical guide rail is fixedly installed above the vertical frame. A slider is slidably fitted on the guide rail. An adjustment frame is fixedly connected to the slider. The movable end of the first electric push rod is hinged to the slider, and the machine body is hinged to the vertical frame. A chest guard is fixedly installed on the rear end face of the movable frame. A table is installed on the top of the movable frame, and handrail frames are fixedly installed on the lower sides of both sides of the table. A hinge seat is fixedly connected to the fixed frame. The rocker arm is hinged to the hinge seat through a horizontal axis. The upper end of the second electric push rod is hinged to the lower end of the rocker arm, and the machine body is hinged to the vertical frame. The upper tail end of the L-shaped rod is fixedly installed on the upper end of the rocker arm, and a seat plate is fixedly connected to the lower end of the L-shaped rod. C-shaped leg supports are installed on both sides of the hinge seat, and sponge pads are fixedly installed inside the leg supports. Both the first and second electric push rods are connected to the controller for control. Two pairs of fixing members are fixedly installed on the chassis at the corresponding positions of the two feet. The front pair of fixing members are connected to foot restraint straps with Velcro, and the two rear fixing members are connected to heel limiters.

2. The sitting-standing walking aid training device according to claim 1, characterized in that: The seat is detachably and fixedly connected to the L-shaped rod.

3. The sitting-standing assistive walking trainer according to claim 1, characterized in that: The handrail frame is fixedly connected to the inner sleeve, which is slidably inserted into the outer sleeve in the left-right direction. The outer sleeve has a set screw hole and is fixedly connected to the top of the adjustment frame. The inner sleeve is locked by a set screw screw on a handle screwed into the set screw hole.

4. A sitting-standing assisted walking training device according to claim 3, characterized in that: The tabletop is supported on the outer sleeve, and a hinge plate is fixedly connected to the lower part of the tabletop. The hinge plate has multiple indexing holes, and a hinge block is fixedly installed on the vertical frame. The hinge block is hinged to the hinge plate through an indexing hole.

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