Electric wheelchair power-assisted controller convenient to install and operate

Abstract

The utility model discloses an electric wheelchair power-assisted controller convenient to install and operate, which comprises a controller body, a fixing clamp is arranged at the lower part of the controller body, a rotating chassis is arranged between the controller body and the fixing clamp, the rotating chassis comprises a rotating upper disc and a rotating lower disc, and the rotating upper disc is connected with the rotating lower disc. A first mounting groove is formed in the upper portion of the upper rotating disc, and the controller body is connected with the first mounting groove. According to the utility model, the rotating chassis is connected and fixed through the first mounting groove and the second mounting groove, and the rotating chassis can rotate by 360 degrees and simultaneously drive the controller body to rotate. According to the electric wheelchair, the telescopic fixing clamp is adopted, the electric wheelchair can be installed on a handrail or a backrest in any shape, practicability is high, the controller rotates by 360 degrees, a user can adjust the electric wheelchair at will, a nurse can control the electric wheelchair by 360 degrees in all directions through the universal rocker, and operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of power assist controllers, and more specifically to a power assist controller for an electric wheelchair that is convenient for installation and operation. Background Art

[0002] An electric wheelchair is upgraded by superimposing high-performance power drive devices, intelligent control devices, batteries and other components on the basis of a traditional manual wheelchair. By manually operating the intelligent controller, the wheelchair can be driven to complete actions such as forward, backward, and turning. Nowadays, electric wheelchairs have become essential mobility aids for the elderly and disabled with limited mobility, providing convenience for the travel and daily life of the elderly, disabled, or those with poor health. However, when the user is unable to independently operate the main controller, a caregiver needs to assist in the operation through a power assist controller.

[0003] The power assist controller of an electric wheelchair is an electrical component used by caregivers to assist users in controlling the vehicle operation. It is usually installed near the rear push handle of the wheelchair body, and its direction is fixed, only compatible with one or two types of armrests, which is very inconvenient for both producers and users. Therefore, a new technical solution is needed to solve this problem. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a power assist controller for an electric wheelchair that is convenient for installation and operation, and solves the problem that the power assist controller of an electric wheelchair is an electrical component used by caregivers to assist users in controlling the vehicle operation. It is usually installed near the rear push handle of the wheelchair body, and its direction is fixed, only compatible with one or two types of armrests, which is very inconvenient for both producers and users.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A power assist controller for an electric wheelchair that is convenient for installation and operation, comprising: a controller body, a fixed clip is arranged at the lower part of the controller body, and a rotating chassis is arranged between the controller body and the fixed clip. The rotating chassis includes a rotating upper disk and a rotating lower disk. A first installation groove is arranged at the upper part of the rotating upper disk, and the controller body is connected to the first installation groove. A second installation groove is arranged at the lower part of the rotating lower disk, and the fixed clip is connected to the second installation groove. The fixed clip includes an inner clip and an outer clip. Corresponding screw holes are arranged inside the inner clip and the outer clip. Limit through holes are arranged at the upper end and the lower end of the outer clip. A rocker is arranged on the surface of the controller body, and a power button and an acceleration / deceleration adjustment button are arranged on the side of the rocker. Speed indicators and power indicators are respectively arranged on both sides of the power button and the acceleration / deceleration adjustment button. The rocker is electrically connected to the internal circuit of the controller body.

[0006] As a preferred embodiment of the present utility model, card teeth are provided inside both the inner clip and the outer clip.

[0007] As a preferred embodiment of the present utility model, a limiting block is provided on the side of the inner clip, and the limiting block is connected to the fiber through hole at the lower end of the outer clip.

[0008] As a preferred embodiment of the present utility model, a limiting groove is provided at the top of the inner clip, and the limiting groove is connected to the outer clip.

[0009] As a preferred embodiment of the present utility model, the power button, the acceleration and deceleration adjustment buttons, the speed indicator, and the power indicator are integrally formed and electrically connected to the internal circuit of the controller body.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] In the present utility model, a rocker is provided in the middle of the upper surface of the controller housing, a power button and acceleration and deceleration adjustment buttons are provided on the surface of the controller housing, a speed indicator light and a power indicator light are respectively provided on both sides of the acceleration and deceleration adjustment buttons, several first installation grooves matching the rotating upper disc are provided at the bottom of the controller housing, the fixed clip is divided into two parts, an inner clip and an outer clip, a limiting block and a screw hole are provided on the inner clip, a limiting groove and a limiting through hole matching the screw hole are provided on the outer clip, the outer clip and the inner clip are connected and fixed by screws, and the distance between the middle of the fixed clip is adjusted by the limiting block and the screws to adapt to handrails of any shape. Several second installation grooves matching the rotating lower disc are provided at the top of the fixed clip; the rotating chassis is connected and fixed through the first installation groove and the second installation groove, and the rotating chassis can rotate 360°, driving the controller body to rotate at the same time. The present utility model adopts a telescopic fixed clip, which can be installed on handrails or backrests of any shape, with strong practicability. The controller can rotate 360°, and the user can adjust it at will. The universal rocker can allow the caregiver to control the electric wheelchair in all directions of 360°, which is convenient for operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0013] Figure 2 is a schematic cross-sectional structure diagram of the present utility model.

[0014] In the figure: 1. Controller body; 2. Rotating chassis; 3. Rotating upper disc; 4. Rotating lower disc; 5. Fixed clip; 6. Inner clip; 7. Outer clip; 8. Rocker; 9. Power button; 10. Acceleration and deceleration adjustment buttons; 11. Speed indicator; 12. Power indicator; 13. Limiting through hole; 14. Screw hole; 15. Limiting block; 16. Limiting groove; 17. First installation groove; 18. Second installation groove. Detailed implementation mode

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0016] Please refer to Figure 1-2 , the present utility model provides a technical solution: a power assist controller for an electric wheelchair that is convenient for installation and operation, including: a controller body 1, a fixing clip 5 is arranged at the lower part of the controller body 1, and a rotating chassis 2 is arranged between the controller body 1 and the fixing clip 5. The rotating chassis 2 includes a rotating upper plate 3 and a rotating lower plate 4. A first installation groove 17 is arranged at the upper part of the rotating upper plate 3, and the controller body 1 is connected to the first installation groove 17. A second installation groove 18 is arranged at the lower part of the rotating lower plate 4, and the fixing clip 5 is connected to the second installation groove 18. The fixing clip 5 includes an inner clip 6 and an outer clip 7. Corresponding screw holes 14 are arranged inside the inner clip 6 and the outer clip 7. Limit through holes 13 are arranged at the upper end and the lower end of the outer clip 7. A rocker 8 is arranged on the surface of the controller body 1, and a power button 9 and a speed increase / decrease adjustment button 10 are arranged on the side of the rocker 8. Speed indicators 11 and power indicators 12 are respectively arranged on both sides of the power button 9 and the speed increase / decrease adjustment button 10. The rocker 8 is electrically connected to the internal circuit of the controller body 1. A rocker 8 is arranged in the middle of the upper surface of the controller housing. A power button 9 and a speed increase / decrease adjustment button 10 are arranged on the surface of the controller housing. Speed indicator lights 11 and power indicator lights 12 are respectively arranged on both sides of the speed increase / decrease adjustment button 10. A plurality of first installation grooves 17 matching the rotating upper plate 3 are arranged at the bottom of the controller housing. The fixing clip 5 is divided into two parts, an inner clip 6 and an outer clip 7. A limit block 15 and a screw hole 14 are arranged on the inner clip 6. A limit groove 16 and a limit through hole 13 matching the screw hole 14 are arranged on the outer clip 7. The outer clip 7 and the inner clip 6 are connected and fixed by screws. The distance between the middle of the fixing clip 5 is adjusted by the limit block 15 and the screws to adapt to handrails of any shape. A plurality of second installation grooves 18 matching the rotating lower plate 4 are arranged at the top of the fixing clip 5; the rotating chassis 2 is connected and fixed through the first installation groove 17 and the second installation groove 18. The rotating chassis 2 can rotate 360°, and at the same time drive the controller body 1 to rotate. The present utility model adopts a telescopic fixing clip 5, which can be installed on handrails or backrests of any shape, with strong practicability. The controller rotates 360°, and the user can adjust it at will. The universal rocker 8 allows the caregiver to control the electric wheelchair in all directions of 360°, which is convenient for operation.

[0017] Further improved, such as Figure 1 shown: The inner clip 6 and the outer clip 7 are both provided with locking teeth inside. This setting increases the internal friction of the fixing clip 5 and ensures the stability of installation.

[0018] Further improved, such as Figure 1 shown: A limiting block 15 is provided on the side of the inner clip 6, and the limiting block 15 is connected to the fiber through-hole at the lower end of the outer clip 7. The distance between the middle of the fixing clip 5 is adjusted by the limiting block 15 and the screw to adapt to handrails of any shape.

[0019] Further improved, such as Figure 2 shown: A limiting groove 16 is provided on the top of the inner clip 6, and the limiting groove 16 is connected to the outer clip 7. The distance between the middle of the fixing clip 5 is adjusted by the limiting block 15 and the screw to adapt to handrails of any shape.

[0020] Further improved, such as Figure 1 shown: The power button 9, the acceleration and deceleration adjustment buttons 10, the speed indicator 11, and the power indicator 12 are integrally formed and electrically connected to the internal circuit of the controller body 1. The speed indicator 11 and the power indicator 12 are light-transmissive.

[0021] In the present utility model, a rocker 8 is provided in the middle of the upper surface of the controller housing, a power button 9 and an acceleration and deceleration adjustment button 10 are provided on the surface of the controller housing, a speed indicator 11 light and a power indicator 12 light are respectively provided on both sides of the acceleration and deceleration adjustment button 10, and a plurality of first mounting grooves 17 matching the rotating upper disk 3 are provided at the bottom of the controller housing. The fixing clip 5 is divided into two parts, an inner clip 6 and an outer clip 7. A limiting block 15 and a screw hole 14 are provided on the inner clip 6, a limiting groove 16 and a limiting through-hole 13 matching the screw hole 14 are provided on the outer clip 7. The outer clip 7 and the inner clip 6 are connected and fixed by screws. The distance between the middle of the fixing clip 5 is adjusted by the limiting block 15 and the screw to adapt to handrails of any shape. A plurality of second mounting grooves 18 matching the rotating lower disk 4 are provided at the top of the fixing clip 5; the rotating chassis 2 is connected and fixed through the first mounting groove 17 and the second mounting groove 18. The rotating chassis 2 can rotate 360°, and at the same time drives the controller body 1 to rotate. The present utility model adopts a telescopic fixing clip 5, which can be installed on handrails or backrests of any shape, and has strong practicability. The controller rotates 360°, and the user can adjust it at will. The universal rocker 8 allows the caregiver to control the electric wheelchair in all directions of 360°, which is convenient for operation.

[0022] The foregoing has shown and described the basic principles, main features and advantages of the present invention. For a person skilled in the art, it is obvious that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the spirit or basic features of the present invention, the present invention can be implemented in other specific forms. Therefore, in any aspect, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced by the present invention. Any reference signs in the claims should not be construed as limiting the claims involved.

[0023] Finally, several points should be noted: First, in the description of the present application, it should be noted that unless otherwise specified and defined, the terms "installed", "connected", "connected" should be understood in a broad sense, which can be a mechanical connection or an electrical connection, or the communication inside two components, and can be directly connected. The terms "upper", "lower", "left", "right", etc. are only used to represent the relative position relationship. When the absolute position of the object being described changes, the relative position relationship may change.

[0024] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An electric wheelchair assist controller that is convenient for installation and operation, characterized in that: Comprising: A controller body (1), a fixing clip (5) is provided at the lower part of the controller body (1), and a rotating chassis (2) is provided between the controller body (1) and the fixing clip (5). The rotating chassis (2) includes a rotating upper disk (3) and a rotating lower disk (4). A first installation groove (17) is provided at the upper part of the rotating upper disk (3), and the controller body (1) is connected to the first installation groove (17). A second installation groove (18) is provided at the lower part of the rotating lower disk (4), and the fixing clip (5) is connected to the second installation groove (18). The fixing clip (5) includes an inner clip (6) and an outer clip (7). Corresponding screw holes (14) are provided inside both the inner clip (6) and the outer clip (7). Limit through holes (13) are provided at both the upper end and the lower end of the outer clip (7). A rocker (8) is provided on the surface of the controller body (1), and a power button (9) and an acceleration and deceleration adjustment button (10) are provided on the side of the rocker (8). Speed indicators (11) and power indicators (12) are respectively provided on both sides of the power button (9) and the acceleration and deceleration adjustment button (10). The rocker (8) is electrically connected to the internal circuit of the controller body (1).

2. The power assist controller of an electric wheelchair that is convenient for installation and operation according to claim 1, wherein: Internal teeth are provided inside both the inner clip (6) and the outer clip (7).

3. The power assist controller for an electric wheelchair that is easy to install and operate according to claim 1, wherein: A limit block (15) is provided on the side of the inner clip (6), and the limit block (15) is connected to the fiber through hole at the lower end of the outer clip (7).

4. The power assist controller of an electric wheelchair that is convenient for installation and operation according to claim 1, wherein: A limit groove (16) is provided at the top of the inner clip (6), and the limit groove (16) is connected to the outer clip (7).

5. The power assist controller of an electric wheelchair that is convenient for installation and operation according to claim 1, characterized in that: The power button (9), the acceleration and deceleration adjustment button (10), the speed indicator (11), and the power indicator (12) are integrally formed and electrically connected to the internal circuit of the controller body (1).

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