Portable electric wheelchair

Abstract

The utility model discloses a portable electric wheelchair which comprises a cushion support, one side of the cushion support is connected with a backrest support through screws, the lower portion of the cushion support is connected with a lower connecting frame through screws, the outer side of the lower connecting frame is symmetrically connected with supporting frames through screws, and the supporting frames are connected with the backrest support through screws. Armrests are symmetrically connected to the outer side of the backrest support, fixing frames are symmetrically connected to the outer side of the cushion support through screws, the fixing frames are connected with the armrests through screws, the cushion support, the backrest support, the supporting frame and the fixing frames are each of a hollow structure, and the portion, connected with the supporting frame, of the lower connecting frame is of an arch-shaped structure. Through the arrangement, in the aspect of use, the weight of the device can be reduced, the strength of the wheelchair can be guaranteed, more labor is saved when the wheelchair is carried in the scenes such as a doorsill, in the aspect of transportation, the detachable structure and the lighter weight can further reduce the transportation cost, and therefore the purchase pressure of a user is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of electric wheelchairs, in particular to a lightweight electric wheelchair. Background Art

[0002] Wheelchairs are important assistive devices designed for people with limited mobility and are widely used by the elderly, disabled people and patients who temporarily lose their ability to move.

[0003] When using a wheelchair, it often encounters obstacles such as thresholds, which require manual lifting of the wheelchair, which places higher requirements on the weight of the wheelchair. Therefore, the design of the wheelchair needs to be lightweight to facilitate lifting and moving. However, while simply reducing the weight, the strength of the wheelchair also needs to be guaranteed to ensure the service life and safety of the wheelchair.

[0004] To solve the above problems, we have launched a lightweight electric wheelchair. Summary of the invention

[0005] The utility model discloses a lightweight electric wheelchair, aiming to solve the technical problems in the background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A lightweight electric wheelchair comprises a seat cushion bracket, one side of the seat cushion bracket is connected to a backrest bracket by screws, a lower connecting frame is connected to the seat cushion bracket below by screws, the outer side of the lower connecting frame is symmetrically connected to a support frame by screws, the support frame and the backrest bracket are connected by screws, the outer side of the backrest bracket is symmetrically connected to an armrest, the outer side of the seat cushion bracket is symmetrically connected to a fixing frame by screws, the fixing frames are all connected to the armrests by screws, the seat cushion bracket, the backrest bracket, the support frame and the fixing frame are all arranged as hollow structures, and the portion where the lower connecting frame is connected to the support frame is arranged as an arched structure.

[0008] The seat cushion bracket, backrest bracket, lower connecting frame and support frame are all hollow pipes, which can reduce the overall weight of the wheelchair. In addition, the overall structure is connected by screws and can form a trapezoidal structure with each other, which can improve the carrying capacity of the wheelchair. The arched structure formed by the lower connecting frame and the support frame can further improve the bearing capacity and anti-deformation ability of the wheel body, so that the device has a strong bearing capacity while being lightweight.

[0009] In a preferred solution, the front rollers are symmetrically connected below the lower connecting frame, the rear rollers are connected inside the supporting frame, the supporting frame is fixedly connected to a driving source, and the output end of the driving source is connected to the corresponding rear roller.

[0010] The front rollers and rear rollers can make the wheelchair mobile, and the driving source provides rotational power for the corresponding rear rollers. When turning is required, only one of the driving sources needs to be rotated to form a turn. Such a steering setting has a smaller turning radius than traditional wheel rotation steering and is more suitable for turning in narrow environments.

[0011] In a preferred solution, a rear balance wheel is connected to the support frame and located behind the rear roller, and a foot pedal is connected to the lower connecting frame and located between the two front rollers.

[0012] The function of the rear balance wheel is to extend the offset center of gravity of the device. When the user leans back, the entire wheelchair will not tip over due to the function of the rear balance wheel.

[0013] In a preferred solution, a seat cushion support plate is welded to the seat cushion bracket, and at least two weight-reducing grooves are provided on the seat cushion support plate and the foot pedal.

[0014] Through such a setting, the gravity of the wheelchair can be further reduced without affecting normal use.

[0015] In a preferred solution, a remote controller is installed on one of the armrests, a controller is installed below the seat cushion bracket, the remote controller is electrically connected to the controller, and the controller is electrically connected to the driving source.

[0016] Through such an arrangement, the user can control the driving source through the remote control to achieve walking, turning, backward and other operations.

[0017] In a preferred solution, a seat cushion body is arranged on the seat cushion support plate, and a backrest body is arranged on the backrest bracket.

[0018] The seat cushion body and the backrest body can provide a better riding experience.

[0019] The portable electric wheelchair provided by the utility model has the following advantages:

[0020] The seat support, backrest support, lower connecting frame and support frame are all made of hollow pipes, which reduces the overall weight of the wheelchair. The overall structure is connected by screws to form a trapezoidal structure, which enhances the load-bearing capacity. In addition, the arched structure formed by the lower connecting frame and the support frame further improves the load-bearing capacity and anti-deformation ability, so that the wheelchair has a strong load-bearing capacity while being lightweight. Through such a setting, in terms of use, the weight of the device can be reduced and the strength of the wheelchair can be ensured, and it is more labor-saving to move when encountering scenes such as thresholds. In terms of transportation, the detachable structure and lighter weight can also further reduce the transportation cost, thereby reducing the purchasing pressure of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The utility model is a top isometric view of a portable electric wheelchair.

[0022] Figure 2 This is a first isometric view of a lightweight electric wheelchair proposed by the utility model in a top-down disassembled state.

[0023] Figure 3 This is a second isometric view of a lightweight electric wheelchair proposed by the utility model in a disassembled state when viewed from above.

[0024] Figure 4 This is a third isometric view of a lightweight electric wheelchair proposed by the utility model in a top-down disassembled state.

[0025] Figure 5 This is a fourth isometric view of a lightweight electric wheelchair proposed by the utility model in a top-down disassembled state.

[0026] In the attached drawings: 1. seat cushion bracket; 2. backrest bracket; 3. lower connecting frame; 4. support frame; 5. armrest; 6. fixing frame; 7. front roller; 8. rear roller; 9. driving source; 10. rear swing wheel; 11. foot pedal; 12. seat cushion support plate; 13. weight reduction groove; 14. remote control; 15. seat cushion body; 16. backrest body; 17. controller. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application usually described and marked in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application claimed for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present application.

[0028] The utility model discloses a lightweight electric wheelchair.

[0029] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, a portable electric wheelchair comprises a seat cushion bracket 1, one side of the seat cushion bracket 1 is connected to a backrest bracket 2 by screws, a lower connecting frame 3 is connected to the lower side of the seat cushion bracket 1 by screws, a support frame 4 is symmetrically connected to the outer side of the lower connecting frame 3 by screws, the support frame 4 is connected to the backrest bracket 2 by screws, an armrest 5 is symmetrically connected to the outer side of the backrest bracket 2, a fixing frame 6 is symmetrically connected to the outer side of the seat cushion bracket 1 by screws, the fixing frame 6 is connected to the armrest 5 by screws, the seat cushion bracket 1, the backrest bracket 2, the supporting frame 4 and the fixing frame 6 are all set to hollow structures, and the portion where the lower connecting frame 3 is connected to the supporting frame 4 is set to an arched structure;

[0030] In this embodiment: the seat cushion bracket 1, the backrest bracket 2, the lower connecting frame 3 and the support frame 4 are all hollow pipes, which can reduce the overall weight of the wheelchair. In addition, the overall structure is connected by screws and can form a trapezoidal structure with each other, which can improve the carrying capacity of the wheelchair. The arched structure formed by the lower connecting frame 3 and the support frame 4 can further improve the bearing capacity and anti-deformation ability of the wheel body, so that the device has a lightweight and strong bearing capacity.

[0031] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, in a preferred embodiment, the lower connecting frame 3 is symmetrically connected to the front roller 7, the interior of the supporting frame 4 is connected to the rear roller 8, the supporting frame 4 is fixedly connected to the driving source 9, and the output end of the driving source 9 is connected to the corresponding rear roller 8;

[0032] In this embodiment: the front rollers 7 and the rear rollers 8 can enable the wheelchair to have a mobile function, and the driving source 9 provides rotational power for the corresponding rear rollers 8. When turning is required, only one of the driving sources 9 needs to be rotated to form a turn, and such a steering setting has a smaller turning radius than the traditional wheel rotation steering, and is more suitable for turning in a narrow environment.

[0033] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, in a preferred embodiment, a rear balance wheel 10 is connected to the support frame 4 and located behind the rear roller 8, and a foot pedal 11 is connected to the lower connecting frame 3 and located between the two front rollers 7;

[0034] In this embodiment, the function of the rear balance wheel 10 is to extend the offset center of gravity of the device. When the user leans back, the entire wheelchair will not fall over due to the function of the rear balance wheel 10.

[0035] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, in a preferred embodiment, a seat support plate 12 is welded on the seat support 1, and at least two weight-reducing grooves 13 are provided on the seat support plate 12 and the footrest 11;

[0036] This embodiment: Through such a setting, the gravity of the wheelchair can be further reduced without affecting normal use.

[0037] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, in a preferred embodiment, a remote controller 14 is installed on one of the armrests 5, a controller 17 is installed below the cushion bracket 1, the remote controller 14 is electrically connected to the controller 17, and the controller 17 is electrically connected to the driving source 9;

[0038] In this embodiment, through such an arrangement, the user can control the driving source 9 through the remote controller 14 to operate, thereby achieving walking, turning, backward movement and the like.

[0039] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, in a preferred embodiment, a seat cushion body 15 is provided on the seat cushion support plate 12, and a backrest body 16 is provided on the backrest bracket 2;

[0040] In this embodiment, the seat cushion body 15 and the backrest body 16 can provide a better riding experience.

[0041] Working principle: The user can control the driving source 9 to work through the remote control 14. The front roller 7 and the rear roller 8 can make the wheelchair have the function of moving. The driving source 9 provides rotational power for the corresponding rear roller 8. When turning is required, only one of the driving sources 9 needs to be rotated to form a turn. Moreover, such a steering setting has a smaller turning radius than the traditional wheel body rotation steering, and is more suitable for turning in a narrow environment. The seat cushion bracket 1, the backrest bracket 2, the lower connecting frame 3 and the support frame 4 are all hollow pipes, which can reduce the overall weight of the wheelchair. Moreover, the overall structure is connected by screws, and a trapezoidal structure can be formed between them, which can improve the carrying capacity of the wheelchair. The arched structure formed by the lower connecting frame 3 and the support frame 4 can further improve the bearing capacity and anti-deformation ability of the wheel body, so that the device has a strong bearing capacity while being lightweight.

[0042] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this. The replacement can be a replacement of part of the structure, device, method step, or a complete technical solution. Equivalent replacement or change based on the technical solution of the utility model and its utility model concept should be included in the protection scope of the utility model.

Claims

1. A lightweight electric wheelchair, comprising a seat cushion bracket (1), characterized in that: One side of the seat cushion bracket (1) is connected to the backrest bracket (2) by screws, the lower part of the seat cushion bracket (1) is connected to the lower connecting frame (3) by screws, the outer side of the lower connecting frame (3) is symmetrically connected to the support frame (4) by screws, the support frame (4) and the backrest bracket (2) are connected by screws, the outer side of the backrest bracket (2) is symmetrically connected to the armrest (5), the outer side of the seat cushion bracket (1) is symmetrically connected to the fixing frame (6) by screws, the fixing frame (6) and the armrest (5) are connected by screws, the seat cushion bracket (1), the backrest bracket (2), the supporting frame (4) and the fixing frame (6) are all arranged as hollow structures, and the portion where the lower connecting frame (3) and the supporting frame (4) are connected is arranged as an arched structure.

2. A lightweight electric wheelchair according to claim 1, characterized in that: The lower portion of the lower connecting frame (3) is symmetrically connected to a front roller (7), the interior of each of the supporting frames (4) is connected to a rear roller (8), each of the supporting frames (4) is fixedly connected to a driving source (9), and the output end of each of the driving sources (9) is connected to a corresponding rear roller (8).

3. A lightweight electric wheelchair according to claim 1, characterized in that: A rear swing wheel (10) is connected to the support frame (4) and is located behind the rear roller (8), and a foot pedal (11) is connected to the lower connecting frame (3) and is located between the two front rollers (7).

4. A lightweight electric wheelchair according to claim 1, characterized in that: A seat support plate (12) is welded to the seat support bracket (1), and at least two weight-reducing grooves (13) are provided on the seat support plate (12) and the foot pedal (11).

5. A lightweight electric wheelchair according to claim 1, characterized in that: A remote controller (14) is installed on one of the armrests (5), a controller (17) is installed below the seat cushion bracket (1), the remote controller (14) is electrically connected to the controller (17), and the controller (17) is electrically connected to the driving source (9).

6. A lightweight electric wheelchair according to claim 4, characterized in that: A seat cushion body (15) is arranged on the seat cushion support plate (12), and a backrest body (16) is arranged on the backrest bracket (2).

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