Electric wheelchair capable of spraying water
By designing waterproof electrical boxes, battery boxes and waterproof motors on electric wheelchairs and forming a waterproof cavity with sheet metal components, the problem of electric wheelchairs not being waterproof is solved, and the function of direct showering on wheelchairs is realized, improving cleaning efficiency and user experience.
Patent Information
- Application Number
- CN202422101826.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-28
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-08-28
AI Technical Summary
The existing electric wheelchairs do not have a waterproof design, which causes users to change seats when showering, which increases the burden on caregivers and is not thoroughly cleaned.
A water-showing electric wheelchair is designed, using a waterproof electrical box, a waterproof battery box, a back waterproof motor and a leg waterproof motor. The waterproof cavity is formed through sheet metal components to achieve all-round waterproof functions. It is equipped with a reversible back frame and foothold to form a bed body, which is convenient for showering in the wheelchair.
It realizes direct showering in a wheelchair, reducing the seat conversion steps before and after the shower, improving cleaning efficiency and user shower experience.
Smart Images

Figure CN223232907U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of wheelchairs, in particular to an electric wheelchair capable of being showered with water. Background Art
[0002] At present, wheelchairs are mainly divided into electric and manual folding wheelchairs. Wheelchairs not only meet the transportation needs of people with physical disabilities and mobility difficulties, but more importantly, they are convenient for family members to move and care for patients, so that patients can use wheelchairs to exercise and participate in social activities. Some elderly people need wheelchairs to assist in movement because their mobility is not fixed. However, the electronic control part of current electric wheelchairs is usually not waterproof. Therefore, before bathing, users can only transfer from the electric wheelchair to the seat in the bathroom or the traditional manual folding wheelchair, which makes it difficult to get wet in the rain and increases the burden on caregivers. Moreover, the manual folding wheelchair only has a simple riding function, so it is difficult for caregivers to clean the user's back or buttocks. In the narrow operating space of the bathroom, it is very difficult to lift the user from the manual folding wheelchair. As a result, the body of the wheelchair user is not cleaned thoroughly. At this time, it is necessary to improve the existing technology so that the electric wheelchair can meet the needs of getting wet in the rain. Summary of the Invention
[0003] The purpose of the utility model is to solve the above-mentioned existing problems and provide an electric wheelchair with a simple and reasonable structure and capable of being showered with water.
[0004] A water-resistant electric wheelchair comprises a seat frame, the bottom of the seat frame is connected to a front caster group and a rear caster group, the front side of the seat frame is flip-hinged with a foot support frame, the front side of the foot support frame is flip-hinged with a footrest frame, the rear side of the seat frame is flip-hinged with a back frame, a back waterproof motor is movably hinged between the rear side of the seat frame and the back frame, a leg waterproof motor is movably hinged between the front side of the seat frame and the footrest frame, the back frame, foot support frame and footrest frame are respectively driven by the back waterproof motor and the leg waterproof motor to extend and flatten relative to the seat frame to form a bed surface, and a waterproof battery box and a waterproof electrical box are also provided in the seat frame, and the waterproof electrical box is electrically connected to the waterproof battery box, the back waterproof motor and the leg waterproof motor.
[0005] The purpose of the utility model can also be solved by the following technical measures:
[0006] As a more specific solution, the seat frame is covered and connected with a sheet metal component, and the sheet metal component encloses a semi-enclosed waterproof cavity in the seat frame, and the waterproof battery box and the waterproof electrical box are fixedly arranged in the waterproof cavity.
[0007] As a further solution, the sheet metal assembly includes a drive mounting plate, which is fixedly connected to the bottom of the seat frame, and at least a portion of the drive mounting plate is inclined backward to form a drainage slope, and the waterproof battery box and the waterproof electrical box are both connected to the drainage slope.
[0008] As a further solution, the sheet metal assembly also includes two frame side panels and a frame back panel, the two frame side panels are respectively connected to the left and right sides of the seat frame, the frame back panel is connected between the two frame side panels and is arranged on the rear side of the drive mounting plate, and a waterproof cavity is enclosed between the two frame side panels, the frame back panel and the drive mounting plate.
[0009] As a further solution, the frame back panel includes a water-discharge plate and a battery decorative plate. The lower side of the water-discharge plate is bent to form an upper water discharge slope. The battery decorative plate is connected to the upper water discharge slope. The lower side of the battery decorative plate is bent to form a lower water discharge slope. The drive mounting plate is spaced apart from the lower water discharge slope in front and rear to form a drainage gap.
[0010] As a further solution, the sheet metal assembly also includes a toilet pan baffle, which is connected to the upper part of the seat frame, and the inner cavity of the toilet pan baffle forms a sheet metal groove, in which a toilet pan is arranged, the rear side of the toilet pan baffle is connected to the downspout plate, and the rear end of the sheet metal groove is open to form an entrance and exit of the toilet pan, and the toilet pan is installed in the sheet metal groove in a push-pull manner through the entrance and exit of the toilet pan.
[0011] As a further solution, the back frame includes a backrest frame and a backrest, the backrest frame is provided with a slide rail assembly, the backrest is connected to the backrest frame by sliding up and down through the slide rail assembly, and the rear side of the backrest frame is connected to a back frame decorative panel that blocks the slide rail assembly.
[0012] As a further solution, the back waterproof motor is longitudinally arranged beside the toilet tray entrance and exit, the fixed end of the back waterproof motor is rotatably hinged between the water-flowing plate and the battery decorative plate, and the telescopic end of the back waterproof motor is rotatably hinged on the upper side of the back frame.
[0013] As a further solution, the leg waterproof motor is horizontally arranged on the symmetry line of the seat frame, the fixed end of the leg waterproof motor is rotatably hinged to the middle part of the seat frame, the telescopic end of the leg waterproof motor is rotatably hinged to a pull rod assembly, the upper end of the pull rod assembly is rotatably hinged to the front side of the seat frame, and the lower end of the pull rod assembly is rotatably hinged to the rear side of the footrest frame.
[0014] As a further solution, a seat is connected to the upper side of the seat frame, and a defecation opening is provided on the seat corresponding to the toilet pan opening, and an opening cover is detachably connected to the defecation opening; a back cushion is connected to the front side of the back frame, and a leg bed board of the foot support.
[0015] The beneficial effects of the utility model are as follows:
[0016] The utility model discloses an electric wheelchair that can be showered with water. This electric wheelchair has an overall waterproof function through a waterproof electrical box, a waterproof battery box, a waterproof motor on the back and waterproof motors on the legs. The user can shower directly on the wheelchair for easy cleaning. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the wheelchair structure of the present invention.
[0018] Figure 2 This is a schematic diagram of the structure of the electrical controls and sheet metal components in the present invention.
[0019] Figure 3 This is a schematic diagram of the back structure of the wheelchair in this utility model.
[0020] Figure 4 This is a schematic diagram of the exploded structure of the wheelchair in this utility model.
[0021] Figure 5 This is a schematic diagram of the wheelchair structure of the present invention when it is flattened separately. DETAILED DESCRIPTION
[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0023] like Figures 1 to 5 As shown, the water-resistant electric wheelchair includes a seat frame 11, the bottom of the seat frame 11 is connected to a front caster group 15 and a rear caster group 16, the front side of the seat frame 11 is flip-hinged with a foot support frame 13, the front side of the foot support frame 13 is flip-hinged with a footrest frame 14, the rear side of the seat frame 11 is flip-hinged with a back frame 12, a back waterproof motor 1 is movably hinged between the rear side of the seat frame 11 and the back frame 12, a leg waterproof motor 2 is movably hinged between the front side of the seat frame 11 and the footrest frame 14, the back frame 12, the foot support frame 13 and the footrest frame 14 are respectively driven by the back waterproof motor 1 and the leg waterproof motor 2 to extend and flatten relative to the seat frame 11 and form the bed surface of the bed, and a waterproof battery box 3 and a waterproof electrical box 4 are also provided in the seat frame 11, and the waterproof electrical box 4 is electrically connected to the waterproof battery box 3, the back waterproof motor 1 and the leg waterproof motor 2.
[0024] This electric wheelchair is waterproof through the waterproof design of the waterproof electrical box 4, waterproof battery box 3, back waterproof motor 1 and leg waterproof motor 2. The user can shower directly on the wheelchair without having to convert it into a regular single-function folding wheelchair before and after showering, which is convenient for cleaning.
[0025] The electric wheelchair can be pushed into the bathroom for use, allowing the user to realize a variety of bathing methods. For example, the backrest can be lowered to facilitate washing the user's hair, and the user's legs can be lifted electrically for washing, so that the caregiver does not need to bend down. The electric wheelchair can also be stretched flat in the bathroom to form a wheelchair bed. The user can turn up and down while lying flat in the shower, which can make the washing more thorough and enhance the user's shower experience.
[0026] The seat frame 11 is covered and connected with a sheet metal component, which encloses a semi-enclosed waterproof cavity A in the seat frame 11, and the waterproof battery box 3 and the waterproof electrical box 4 are fixedly arranged in the waterproof cavity A; by enclosing the waterproof cavity A with the sheet metal component, the sheet metal component can block water, reduce or avoid water flowing onto the waterproof electrical box 4 and the waterproof battery box 3 during bathing, and improve the waterproof effect.
[0027] The sheet metal assembly includes a drive mounting plate 6, which is fixedly connected to the bottom of the seat frame 11, and at least a portion of the drive mounting plate 6 is inclined backward to form a drainage slope 601, and the waterproof battery box 3 and the waterproof electrical box 4 are both connected to the drainage slope 601; this structure ensures that even if water flows onto the drive mounting plate 6, the water can be quickly drained away by utilizing the drainage slope 601, keeping the waterproof battery box 3 and the waterproof electrical box 4 dry and preventing accumulated water from soaking into the waterproof battery box 3 and the waterproof electrical box 4.
[0028] The sheet metal assembly also includes two frame side panels 7 and a frame back panel 8. The two frame side panels 7 are respectively connected to the left and right sides of the seat frame 11. The frame back panel 8 is connected between the two frame side panels 7 and is arranged on the rear side of the drive mounting plate 6. A waterproof cavity A is enclosed between the two frame side panels 7, the frame back panel 8 and the drive mounting plate 6. The two frame side panels 7 and the frame back panel 8 respectively protect the side and rear sides of the seat frame 11, forming a waterproof cavity A with all-round protection.
[0029] The frame back panel 8 includes a water-discharge plate 81 and a battery decorative plate 82. The lower side of the water-discharge plate 81 is bent to form an upper water discharge slope 811. The battery decorative plate 82 is connected to the upper water discharge slope 811. The lower side of the battery decorative plate 82 is bent to form a lower water discharge slope 821. The drive mounting plate 6 and the lower water discharge slope 821 are spaced apart from each other in front and back to form a drainage gap 83. When it rains, when water flows onto the water-discharge plate 81 and the battery decorative plate 82, the upper water discharge slope 811 and the lower water discharge slope 821 can also be used to quickly drain the water to prevent water from flowing into the seat frame 11.
[0030] The sheet metal assembly also includes a toilet pan baffle 9, which is connected to the upper portion of the seat frame. The inner cavity of the toilet pan baffle 9 forms a sheet metal groove 901, and the toilet pan 10 is disposed in the sheet metal groove 901. The rear side of the toilet pan baffle 9 is connected to the water flow plate 81, and the rear end of the sheet metal groove 901 is open to form a toilet pan entrance 902. The toilet pan 10 is push-pull installed into the sheet metal groove 901 through the toilet pan entrance 902.
[0031] The toilet pan baffle 9 can block the water flowing down from the top of the seat frame 11, and the toilet pan 10 is placed in the sheet metal groove 901, which is convenient for cleaning the sheet metal groove 901 and preventing feces from falling into the gap of the seat frame 11. The sewage generated during cleaning can only flow to the downflow plate 81 through the toilet pan inlet and outlet 902, and then the upper drainage slope 811 and the lower drainage slope 821 are used to discharge the sewage. Cleaning is simple and no sewage remains.
[0032] The back frame 12 includes a backrest frame 121 and a backrest 122. The backrest frame 121 is provided with a slide rail assembly 123. The backrest 122 is connected to the backrest frame 121 by sliding up and down through the slide rail assembly 123. A backrest decorative plate 124 is connected to the rear side of the backrest frame 121 to block the slide rail assembly 123.
[0033] The backrest 122 on this wheelchair can slide up and down relative to the backrest frame 121, which can decompose the adhesion force to a certain extent, making it easier for the skin to leave the leather surface of the backrest 122, making it more comfortable for the user to use, reducing the pain of bathing, and providing a better experience; and the back frame decorative panel 124 can cover the slide rail assembly 123, so that the back side of the wheelchair can remain beautiful, and prevent foreign objects or the fingers of the accompanying person from entering the slide rail assembly 123 during the sliding process of the slide rail assembly 123, causing damage to the slide rail assembly 123 or injury to the accompanying person; in addition, when the user takes a bath in the wheelchair, it can avoid or reduce water splashing onto the slide rail assembly 123, causing the slide rail assembly 123 to rust and affect its service life.
[0034] In this embodiment, the slide rail assembly 123 is mainly composed of a conventional fixed slide rail and a movable slider, which will not be elaborated in detail here.
[0035] The back waterproof motor 1 is longitudinally arranged beside the toilet pan entrance and exit 902, the fixed end of the back waterproof motor 1 is rotatably hinged between the water-relief plate 81 and the battery decorative plate 82, and the telescopic end of the back waterproof motor 1 is rotatably hinged on the upper side of the back frame 12; the back waterproof motor 1 is arranged on the side, so that it can avoid the toilet pan entrance and exit 902, and the space left is convenient for pulling the toilet pan 10 backward.
[0036] The leg waterproof motor 2 is laterally arranged on the symmetry line of the seat frame 11, the fixed end of the leg waterproof motor 2 is rotatably hinged to the middle part of the seat frame 11, the telescopic end of the leg waterproof motor 2 is rotatably hinged with a pull rod assembly 20, the upper end of the pull rod assembly 20 is rotatably hinged to the front side of the seat frame 11, and the lower end of the pull rod assembly 20 is rotatably hinged to the rear side of the footrest frame 14; the pull rod assembly 20 is lifted by the leg waterproof motor 2, so that when the pull rod assembly 20 lifts the footrest frame 14 to turn it flat, it also drives the foot support frame 13 to turn it upward.
[0037] In this embodiment, the pull rod assembly 20 mainly includes a group of connecting rod lugs 201 and a group of pull rods 202. The group of connecting rod lugs 201 are fixedly connected to the rear side of the footrest frame 14 and extend downward. The upper end of the group of pull rods 202 is rotatably hinged to the front side of the seat frame 11, and the lower end of the pull rod 202 is rotatably hinged to the lower end of the connecting rod lug 201.
[0038] The upper side of the seat frame 11 is connected to a seat plate 111, and the seat plate 111 is provided with a defecation opening 101 corresponding to the opening of the toilet pan 10, and the defecation opening 101 is detachably connected to an opening cover 17; the front side of the back frame 12 is connected to a back cushion 18 and a leg bed board 19 of the foot support 13; this structure enables the user to defecate in the wheelchair, and only needs to remove the opening cover 17 and defecate into the toilet pan 10 through the defecation opening 101.
[0039] The above is a preferred embodiment of the present invention, which shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are within the scope of the present invention as claimed, which is defined by the appended claims and their equivalents.
Claims
1. A water-resistant electric wheelchair, comprising a seat frame (11), wherein the bottom of the seat frame (11) is connected to a front caster group (15) and a rear caster group (16), the front side of the seat frame (11) is hingedly connected to a foot support frame (13), the front side of the foot support frame (13) is hingedly connected to a footrest frame (14), and the rear side of the seat frame (11) is hingedly connected to a back frame (12), characterized in that: A back waterproof motor (1) is movably hinged between the rear side of the seat frame (11) and the back frame (12), and a leg waterproof motor (2) is movably hinged between the front side of the seat frame (11) and the footrest frame (14). The back frame (12), the footrest frame (13) and the footrest frame (14) are respectively driven by the back waterproof motor (1) and the leg waterproof motor (2) to stretch and flatten relative to the seat frame (11) to form a bed surface. A waterproof battery box (3) and a waterproof electrical box (4) are also provided in the seat frame (11). The waterproof electrical box (4) is electrically connected to the waterproof battery box (3), the back waterproof motor (1) and the leg waterproof motor (2).
2. The water-dispensable electric wheelchair according to claim 1, characterized in that: The seat frame (11) is covered and connected with a sheet metal component, and the sheet metal component encloses a semi-enclosed waterproof cavity (A) in the seat frame (11), and the waterproof battery box (3) and the waterproof electrical box (4) are fixedly arranged in the waterproof cavity (A).
3. The water-dispensable electric wheelchair according to claim 2, characterized in that: The sheet metal assembly includes a drive mounting plate (6), the drive mounting plate (6) is fixedly connected to the bottom of the seat frame (11), and at least a portion of the drive mounting plate (6) is arranged with a rearward slope to form a drainage slope (601), and the waterproof battery box (3) and the waterproof electrical box (4) are both connected to the drainage slope (601).
4. The water-dispensable electric wheelchair according to claim 3, characterized in that: The sheet metal assembly further comprises two frame side panels (7) and a frame back panel (8), wherein the two frame side panels (7) are respectively connected to the left side and the right side of the seat frame (11), and the frame back panel (8) is connected between the two frame side panels (7) and is arranged on the rear side of the drive mounting plate (6), and a waterproof cavity (A) is enclosed between the two frame side panels (7), the frame back panel (8) and the drive mounting plate (6).
5. The water-dispensable electric wheelchair according to claim 4, characterized in that: The frame back plate (8) includes a water-discharging plate (81) and a battery decorative plate (82); the lower side of the water-discharging plate (81) is bent to form an upper water-discharging slope (811); the battery decorative plate (82) is connected to the upper water-discharging slope (811); the lower side of the battery decorative plate (82) is bent to form a lower water-discharging slope (821); the drive mounting plate (6) and the lower water-discharging slope (821) are spaced apart from each other in front and back to form a drainage gap (83).
6. The water-dispensable electric wheelchair according to claim 5, characterized in that: The sheet metal assembly further comprises a toilet pan baffle (9), the toilet pan baffle (9) being connected to the upper portion of the seat frame, and the inner cavity of the toilet pan baffle (9) forming a sheet metal groove (901), a toilet pan (10) being arranged in the sheet metal groove (901), the rear side of the toilet pan baffle (9) being connected to the water flow plate (81), and the rear end of the sheet metal groove (901) being open to form a toilet pan inlet and outlet (902), and the toilet pan (10) being push-pull mounted into the sheet metal groove (901) through the toilet pan inlet and outlet (902).
7. The water-dispensable electric wheelchair according to claim 1, characterized in that: The back frame (12) comprises a backrest frame (121) and a backrest (122), a slide rail assembly (123) is provided on the backrest frame (121), the backrest (122) is connected to the backrest frame (121) by sliding up and down through the slide rail assembly (123), and a back frame decorative plate (124) is connected to the rear side of the backrest frame (121) for blocking the slide rail assembly (123).
8. The water-dispensable electric wheelchair according to claim 6, characterized in that: The back waterproof motor (1) is longitudinally arranged beside the toilet pan entrance (902), the fixed end of the back waterproof motor (1) is rotatably hinged between the water-dispensing plate (81) and the battery decorative plate (82), and the telescopic end of the back waterproof motor (1) is rotatably hinged on the upper side of the back frame (12).
9. The water-dispensable electric wheelchair according to claim 1, characterized in that: The leg waterproof motor (2) is laterally arranged on the symmetry line of the seat frame (11), the fixed end of the leg waterproof motor (2) is rotatably hinged to the middle part of the seat frame (11), the telescopic end of the leg waterproof motor (2) is rotatably hinged to a pull rod assembly (20), the upper end of the pull rod assembly (20) is rotatably hinged to the front side of the seat frame (11), and the lower end of the pull rod assembly (20) is rotatably hinged to the rear side of the footrest frame (14).
10. The water-dispensable electric wheelchair according to claim 6, characterized in that: The upper side of the seat frame (11) is connected to a seat plate (111), and the seat plate (111) is provided with a defecation opening (101) corresponding to the opening of the toilet pan (10), and the defecation opening (101) is detachably connected to an opening cover plate (17); the front side of the back frame (12) is connected to a back cushion (18), and the leg bed plate (19) of the foot support frame (13).