CN218652275U - Electric wheelchair capable of being used as toilet - Google Patents

Abstract

The utility model mainly relates to an electric wheelchair for going to the toilet, which is composed of a main frame, a stand-up backrest assembly, a seat cushion assembly and a pedal assembly; the main frame is composed of left and right side frames, a front connecting frame, a top connecting frame and wheels , is a hollow structure with an open rear end, which is the main load-bearing part of the wheelchair; the standing backrest assembly is composed of a backrest, a standing push rod, an armrest, a standing auxiliary rod and a strap, and its function is to drive the user to complete the sitting and standing postures The cushion assembly includes a cushion, a cushion support and a bottom plate for the user to sit on and is installed on the top connecting frame; the pedal assembly includes a pedal, a top knee assembly and a push-pull device, which is installed on the The front connecting frame in front of the main frame is for users to step on, which better solves the problem of indoor toileting for disabled people with lower limb movement disorders.

Description

A toilet electric wheelchair

technical field

The utility model relates to the field of medical equipment, in particular to an electric wheelchair capable of going to the toilet.

Background technique

There are a large number of disabled people with inconvenient lower limb mobility due to various reasons in our country. Wheelchairs are an important mobile tool for these disabled people to recover at home and go out for activities. Perform physical exercise and participate in social activities in a wheelchair.

Most of the wheelchairs currently on the market are limited by their structure, and it is difficult to dock with the toilet. Disabled people need help from others or use auxiliary facilities when going to the toilet. Restricted by conditions, most of the auxiliary facilities are simple in form and can only play a protective role, and cannot fundamentally solve the problem that disabled people find it difficult to go to the toilet alone.

Therefore, the utility model designs a kind of electric wheelchair that can help the handicapped to use the toilet alone to go to the toilet aiming at the needs of the handicapped with lower limb mobility.

Utility model content

The purpose of the utility model is to provide an electric wheelchair that can go to the toilet, which can realize using the toilet to go to the toilet on the wheelchair.

An electric wheelchair capable of going to the toilet is composed of a main frame, a stand-up backrest assembly, a seat cushion assembly and a pedal assembly.

The main frame is composed of left and right side frames, a front connecting frame, a top connecting frame and wheels, and is a hollow structure with an open rear end, which is the main load-bearing part of the wheelchair. The top connecting frame is located on the upper surface jointly formed by the left and right side frames, and the cushion assembly is installed on the top connecting frame. The front connecting frame is provided with a mounting plate for mounting the pedal assembly, and the mounting plate has an adjustment slot for the user to adjust the installation position of the pedal assembly.

There are 6 wheels of the main frame, including 2 driving wheels and 4 supporting wheels. The drive wheel uses a motor tire integrated hub motor. The supporting wheels use 2 universal wheels and 2 non-unidirectional wheels. The wheels are distributed on the left and right sides, one for each type of wheel.

The stand-up backrest assembly is composed of a backrest, a stand-up push rod, a handrail, a stand-up auxiliary bar and a strap, and its function is to drive the user to complete the mutual conversion between a sitting posture and a standing posture.

The backrest comprises left and right side panels, a backrest frame and a sponge pad.

The stand-up push rod is driven by a motor, and there is one on both sides of the wheelchair. One end of the stand-up push rod is installed on the left and right side frames of the main frame, and the other end is connected with the side plate of the backrest through the mounting seat. The universal support wheel is arranged directly below the installation position of the push rod for standing up.

The armrests can be opened and closed up and down, and are installed on the left and right side panels of the backrest, one on each side.

The strap is a four-point safety strap, and the root of the strap is fixed on the backrest frame.

The standing auxiliary bar includes a back bar and a bottom bar, which can ensure the stability and accuracy of the movement track during the backrest standing. The bottom bar connects the bottom of the side panel of the backrest and the frame of the main frame. The back bar is composed of a connecting rod group and a connecting rod installation frame. The connecting rod group forms a double parallelogram structure.

The cushion assembly includes a cushion, a cushion support and a bottom plate. Wherein the seat cushion and the seat cushion support are provided with toilet grooves. The bottom plate is arranged under the cushion and the support of the cushion, and has an opening and closing device pushed by a push rod, which can close or open the toilet tank.

The pedal assembly includes a pedal, a knee jack assembly and a push-pull device. Described pedal is made up of pedal and pedal frame. The pedal frame is installed on the front connecting frame, and the height position can be adjusted. The knee support assembly includes a knee support, a knee support seat, an outer standpipe, an inner stand pipe, a knee support seat and the like. The top knee seat is installed on the pedal, and is connected with the outer standpipe by a rotating shaft. The inner vertical pipe and the outer vertical pipe are coaxially sleeved together, and the inner and outer vertical pipes are provided with a knee support height adjustment device. The position of the knee support seat can be adjusted along the front and rear directions, and the position of the knee support seat can be adjusted along the left and right directions on the knee support seat.

The push-pull device can push the top knee to be horizontal or pull it to be vertical.

A rechargeable battery is also installed on the electric wheelchair to supply power for the controller and each motor. The controller can be installed on the left-hand side or the right-hand side according to the user's choice.

Description of drawings

Figure 1 is a three-dimensional schematic diagram of an electric wheelchair that can go to the toilet

Figure 2 is a three-dimensional schematic diagram of an electric wheelchair that can go to the toilet after standing up

Figure 3 is a three-dimensional schematic diagram of the main frame of an electric wheelchair that can go to the toilet

Fig. 4 is a three-dimensional schematic diagram of an electric wheelchair that can go to the toilet after the bottom plate of the seat cushion is opened

Figure 5 is a lateral schematic diagram of an electric wheelchair that can go to the toilet after pushing the knees to the level

Among the figure: 1, main frame, 2, stand-up backrest assembly, 3, seat cushion assembly, 4, pedal assembly, 101, right frame, 102, top connecting frame, 103, left frame, 104, universal wheel, 105, drive wheel , 106, front connecting frame, 107, front casters, 201, backrest, 202, right side panel, 203, left side panel, 204, backrest frame, 205, back link group, 206, stand up push rod, 207, armrest , 208, connecting rod installation frame, 209, bottom rod, 210, strap, 301, cushion support, 302, cushion, 303, bottom plate, 304, push rod, 401, pedal, 402, pedal frame, 403, Top knee seat, 404, outer vertical pipe, 405, knee support seat, 406, knee support, 407, inner vertical pipe, 408, push rod, 409, push rod cover.

Detailed ways

see attached image

In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, the following will describe in detail with reference to the drawings and specific embodiments.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", The orientation or positional relationship indicated by "front", "rear", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must be Having a particular orientation, being constructed and operating in a particular orientation, and therefore not to be construed as limiting the invention.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

An electric wheelchair capable of going to the toilet comprises a main frame 1, a stand-up backrest assembly 2, a seat cushion assembly 3, a pedal assembly 4 and the like.

The main frame 1 consists of a right frame 101, a left frame 103, a front connecting frame 106, a top connecting frame 102, universal wheels 104, driving wheels 105, front casters 107, etc., and is the main load-bearing part of the wheelchair. The top connecting frame 102 is installed on the plane formed by the left frame 103 and the right frame 101. The front connecting frame 106 connects the front parts of the right frame 101 and the left frame 103 together, and the main frame 1 constitutes a hollow structure with an open rear end. The cushion assembly 2 is installed on the top connecting frame 102 . The front connecting frame 106 is provided with a mounting plate for mounting the pedal assembly 4 , and the mounting plate has an adjustment slot for the user to adjust the mounting position of the pedal assembly 4 .

The main frame 1 has 6 wheels in total. The driving wheel 105 uses a hub motor integrated with the motor tire to drive the wheelchair to move. The wheels are installed on the left and right frames respectively, one for each type of wheel.

The stand-up backrest assembly 2 is composed of a backrest 201, a stand-up push rod 206, an armrest 207, a stand-up auxiliary rod and a strap 210. The user has a strap 210 to bind the backrest 201, and the stand-up push rod 206 stretches and drives the backrest 201 upward or downward. Movement, the backrest 201 is kept in a vertical state by the stand-up auxiliary rod during the movement process of standing up or sitting down, and completes the mutual conversion between the sitting posture and the standing posture.

The backrest 201 comprises a left side board 203, a right side board 202, a backrest frame 204 and a sponge pad.

Stand up push rod 206 is driven by a motor, and there is one on both sides of the wheelchair. One end of stand up push rod 206 is installed on the left and right side frames 101, 103 of main frame 1, and the other end is connected with the side plates 202, 203 of the backrest through the mounting seat. The universal wheel 104 is located directly below the installation position of the push rod 206 for standing up.

The armrests 207 can be opened and closed up and down, and are installed on the left and right side panels 202, 203 of the backrest, one on each side. Armrest 207 has a position locking mechanism.

The strap 210 is a four-point safety strap, and the root of the strap is fixed on the backrest frame 204 .

The stand-up assisting rods include a back rod and a bottom rod 209, which can ensure that the backrest 201 always maintains a vertical state during the process of movement. The bottom bar 209 connects the side panels 202, 203 of the backrest and the side frames 101, 103 of the main frame. The back bar consists of a linkage set 206 and a linkage mount 208 . The connecting rod set 206 forms a double parallelogram structure.

The cushion assembly 3 includes a cushion 302 , a cushion support 301 and a bottom plate 303 . Wherein the seat cushion 302 and the seat cushion support 301 have toilet grooves. The toilet tank is designed in a U-shape, and the U-shaped opening faces to the rear. The bottom plate 303 is arranged under the cushion 302 and the cushion support 301, and has an opening and closing device pushed by a push rod 304, which can close or open the toilet tank.

The pedal assembly 4 includes a pedal, a knee jack assembly and a push-pull device. Pedal is made up of pedal 401 and pedal frame 402. The pedal frame 402 is installed on the front connecting frame 106, and the height position can be adjusted. The knee support assembly includes a knee support 406, a knee support seat 405, an outer vertical tube 404, an inner vertical tube 407, a knee support seat 403 and the like. The top knee seat 403 is installed on the pedal 401 and is connected with the outer vertical pipe 404 by a rotating shaft. The inner standpipe 407 and the outer standpipe 404 are coaxially sleeved together, and the inner and outer standpipes are provided with a knee support height adjustment device. The position of the knee support 405 can be adjusted along the front and rear directions, and the position of the knee support 406 can be adjusted along the left and right directions on the knee support 405 .

Described push-pull device is made up of push rod 408 and push rod cover 409 etc. One end of the push rod 408 is connected to the outer vertical pipe 404, and the other end is fixed on the pedal 401, which can push the top knee to the level or pull it up to the vertical. The push rod cover 409 plays the role of protecting the push rod 408, preventing the user from stepping on the push rod 408 to cause failure when getting on and off the wheelchair.

A rechargeable battery is also installed on the electric wheelchair to supply power to the controller and each motor. The controller can be installed on the left-hand side or the right-hand side according to the user's choice.

Claims (6)

1. An electric wheelchair that can go to the toilet is characterized in that: it is composed of a main frame, a stand-up backrest assembly, a cushion assembly and a pedal assembly; the main frame is composed of left and right side frames, a front connecting frame, a top connecting frame and wheels Composed of a hollow structure with an open rear end, it is the main load-bearing part of the wheelchair; the stand-up backrest assembly is composed of a backrest, a stand-up push rod, an armrest, a stand-up auxiliary rod and a strap, and its function is to drive the user to complete the sitting and standing position. Mutual conversion between postures; the cushion assembly includes a cushion, a cushion support and a bottom plate for the user to sit on, and is installed on the top connecting frame; the pedal assembly includes a pedal, a knee-top assembly and a push-pull device, installed on the on the front connecting frame in front of the above-mentioned main frame, for the user's feet to step on. 2. An electric wheelchair capable of going to the toilet according to claim 1, characterized in that: the main frame has 6 wheels in total, including 2 driving wheels and 4 supporting wheels; the driving wheels are integrated with a motor and a tire hub motor. 3. An electric wheelchair capable of going to the toilet according to claim 1, characterized in that: the standing up push rod is driven by a motor, and there is one on both sides of the wheelchair, and one end of the standing up push rod is installed on the left and right sides of the main frame. On the right frame, the other end is connected with the backrest through the mounting seat. 4. An electric wheelchair capable of going to the toilet according to claim 1, characterized in that: the standing auxiliary rod of the standing backrest assembly includes a back rod and a bottom rod, which can ensure the movement track of the backrest in the process of standing up Stability and accuracy; the back bar is composed of a connecting rod group and a connecting rod mounting frame; the connecting rod group forms a double parallelogram structure. 5. The toilet-capable electric wheelchair according to claim 1, wherein the strap is a four-point safety strap. 6. An electric wheelchair capable of going to the toilet according to claim 1, characterized in that: the seat cushion and the cushion support are provided with a toilet toilet groove; the bottom plate is arranged under the seat cushion and the seat cushion support, and has a push rod The push opening and closing device can close or open the toilet tank.

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