Electric wheelchair with self-balancing function

Abstract

The utility model relates to the technical field of electric wheelchairs, in particular to an electric wheelchair with a self-balancing function, which comprises a wheelchair body, a balancing component is arranged on the back of the wheelchair body and comprises a connecting plate, and a limit slide rail is arranged on the left side of the back of the connecting plate. The electric wheelchair with the self-balancing function is provided with a balancing assembly, when the electric wheelchair with the self-balancing function climbs a slope, the driving rack can be driven to move by operating a first electric telescopic rod, and a rotating rod can be driven to rotate under the cooperation of a driving gear; and a second electric telescopic rod is operated to adjust the length of the balance wheel, so that the position of the balance wheel can be adjusted according to different uphill angles, the wheelchair body is more stable and safer when moving uphill, and a patient can be better protected.

Description

Technical Field

[0001] The utility model relates to the technical field of electric wheelchairs, in particular to an electric wheelchair with a self-balancing function. Background Art

[0002] Electric wheelchairs typically consist of a motor, battery, control system, wheels, seat, armrests, and pedals. They can be operated by the rider or caregiver, are driven by one or more motors, and have a seat for support. They come in two types: manual and power steering. They are used for transporting patients with mobility impairments and for assisting with walking function.

[0003] Existing electric wheelchairs lack a self-balancing function. When a patient uses the wheelchair to move on an uphill slope, the wheelchair may easily tip over backward, thereby posing a danger to the patient.

[0004] Therefore, an electric wheelchair with a self-balancing function is needed to improve the above problems. Summary of the Invention

[0005] The purpose of the present utility model is to provide an electric wheelchair with a self-balancing function to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] An electric wheelchair with a self-balancing function comprises a wheelchair body, wherein a balancing assembly is provided on the back of the wheelchair body;

[0008] The balancing assembly includes a connecting plate, a limited slide rail is provided on the left side of the back side of the connecting plate, a driving rack is provided for sliding inside the limited slide rail, a first electric telescopic rod is provided on the back side of the connecting plate and located on the left side of the limited slide rail, an adapter plate is provided on the upper end of the first electric telescopic rod, a first support seat is provided on the back side of the connecting plate and located on the right side of the limited slide rail, a second support seat is provided on the right side of the back side of the connecting plate, a rotating rod is rotatably provided between the first support seat and the second support seat, the left end of the rotating rod passes through the first support seat and is provided with a driving gear, the outer wall of the rotating rod is sleeved with a connecting sleeve, the bottom of the connecting sleeve is provided with a second electric telescopic rod, and the driving end of the second electric telescopic rod is provided with a balancing plate, a first shock absorber is provided on the left side of the bottom of the balancing plate, and a second shock absorber is provided on the right side of the bottom of the balancing plate, and a balancing wheel is provided at the bottom of the first shock absorber and the second shock absorber.

[0009] As a preferred solution of the present invention, the front side of the connecting plate is fixedly connected to the back side of the wheelchair body.

[0010] As a preferred solution of the present invention, the upper end of the driving rack is connected to the adapter plate.

[0011] As a preferred solution of the present invention, a slider is provided at the bottom of the driving rack corresponding to the limiting slide rail.

[0012] As a preferred solution of the present invention, the driving gear is meshedly connected with the driving rack.

[0013] As a preferred solution of the present invention, the rotating rod is rotatably connected to the first support seat and the second support seat respectively through a rotating shaft.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] In the utility model, a balancing component is provided on the electric wheelchair with a self-balancing function. When going uphill, the driving rack can be driven to move by operating the first electric telescopic rod, and the rotating rod can be driven to rotate with the cooperation of the driving gear, so that the angle of the balancing wheel can be adjusted. The length of the balancing wheel can be adjusted by operating the second electric telescopic rod, so that the position of the balancing wheel can be adjusted according to the angle of the uphill slope. In this way, the wheelchair body is more stable and safer when moving uphill, and the patient can be better protected. The overall device has a simple structure, is easy to operate and has higher practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the overall main view of the utility model;

[0017] Figure 2 This is a partial structural diagram of the utility model;

[0018] Figure 3 This is a rear view of the balancing component of the present invention.

[0019] In the figure: 1. wheelchair body; 2. balancing assembly; 201. connecting plate; 202. limiting slide rail; 203. driving rack; 204. first electric telescopic rod; 205. adapter plate; 206. first support seat; 207. second support seat; 208. rotating rod; 209. driving gear; 210. connecting sleeve; 211. second electric telescopic rod; 212. balancing plate; 213. first shock absorber; 214. second shock absorber; 215. balancing wheel. DETAILED DESCRIPTION

[0020] The following will combine the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0021] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0022] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are for the purpose of describing specific embodiments only and are not intended to limit this invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0024] For examples, see Figure 1-3 , the utility model provides a technical solution:

[0025] An electric wheelchair with a self-balancing function comprises a wheelchair body 1, and a balancing assembly 2 is provided on the back of the wheelchair body 1;

[0026] In this embodiment, please refer to Figure 3The balancing assembly 2 includes a connecting plate 201, a limiting slide rail 202 is provided on the left side of the back of the connecting plate 201, a driving rack 203 is provided for sliding inside the limiting slide rail 202, a first electric telescopic rod 204 is provided on the back of the connecting plate 201 and on the left side of the limiting slide rail 202, an adapter plate 205 is provided on the upper end of the first electric telescopic rod 204, a first support seat 206 is provided on the back of the connecting plate 201 and on the right side of the limiting slide rail 202, a second support seat 207 is provided on the right side of the back of the connecting plate 201, the first support seat 206 and the second support seat A rotating rod 208 is rotatably provided between 207, and the left end of the rotating rod 208 passes through the first support seat 206 and is provided with a driving gear 209. The outer wall of the rotating rod 208 is sleeved with a connecting sleeve 210, and a second electric telescopic rod 211 is provided at the bottom of the connecting sleeve 210. A balancing plate 212 is provided at the driving end of the second electric telescopic rod 211, a first shock absorber 213 is provided on the left side of the bottom of the balancing plate 212, and a second shock absorber 214 is provided on the right side of the bottom of the balancing plate 212. Balance wheels 215 are provided at the bottoms of the first shock absorber 213 and the second shock absorber 214.

[0027] Among them, the front side of the connecting plate 201 is fixedly connected to the back side of the wheelchair body 1, the upper end of the driving rack 203 is connected to the adapter plate 205, the bottom of the driving rack 203 is provided with a slider corresponding to the limiting slide rail 202, the driving gear 209 is meshed and connected to the driving rack 203, and the rotating rod 208 is rotatably connected to the first support seat 206 and the second support seat 207 through the rotating shaft. By providing a balancing assembly 2 on the electric wheelchair with a self-balancing function, when going uphill, the driving rack 203 can be driven to move by operating the first electric telescopic rod 204, and the rotating rod 208 can be driven to rotate with the cooperation of the driving gear 209, so that the angle of the balancing wheel 215 can be adjusted. The length of the balancing wheel 215 can be adjusted by operating the second electric telescopic rod 211, so that the position of the balancing wheel 215 can be adjusted according to the angle of the uphill slope. Therefore, the wheelchair body 1 is more stable and safer when moving uphill, and can better protect the patient. The overall device has a simple structure, is easy to operate and has higher practicality.

[0028] The working process of the present utility model is as follows: when using the electric wheelchair with a self-balancing function, when going uphill, first operate the first electric telescopic rod 204. The first electric telescopic rod 204 drives the driving rack 203 to move during operation. Since the driving gear 209 is meshed and connected with the driving rack 203, when the driving rack 203 moves, it drives the driving gear 209 to rotate, and the driving gear 209 drives the rotating rod 208 to rotate. When the rotating rod 208 rotates, the angle of the balancing wheel 215 can be adjusted through the connecting sleeve 210. Then operate the second electric telescopic rod 211. The second electric telescopic rod 211 can adjust the length of the balancing wheel 215 during operation, so that the position of the balancing wheel 215 can be adjusted according to the angle of the uphill slope. Therefore, the wheelchair body 1 is more stable and safer when moving uphill, and can better protect the patient.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric wheelchair with a self-balancing function, comprising a wheelchair body (1), characterized in that: A balancing component (2) is provided on the back of the wheelchair body (1); The balancing assembly (2) includes a connecting plate (201), a limiting slide rail (202) is provided on the left side of the back of the connecting plate (201), a driving rack (203) is provided inside the limiting slide rail (202), a first electric telescopic rod (204) is provided on the back of the connecting plate (201) and on the left side of the limiting slide rail (202), an adapter plate (205) is provided on the upper end of the first electric telescopic rod (204), a first support seat (206) is provided on the back of the connecting plate (201) and on the right side of the limiting slide rail (202), a second support seat (207) is provided on the right side of the back of the connecting plate (201), the first support seat (206) and the second support seat (207) is provided with a rotating rod (208) for rotation, the left end of the rotating rod (208) passes through the first support seat (206) and is provided with a driving gear (209), the outer wall of the rotating rod (208) is sleeved with a connecting sleeve (210), the bottom of the connecting sleeve (210) is provided with a second electric telescopic rod (211), the driving end of the second electric telescopic rod (211) is provided with a balancing plate (212), the left side of the bottom of the balancing plate (212) is provided with a first shock absorber (213), the right side of the bottom of the balancing plate (212) is provided with a second shock absorber (214), and the bottoms of the first shock absorber (213) and the second shock absorber (214) are both provided with a balancing wheel (215).

2. The electric wheelchair with self-balancing function according to claim 1, characterized in that: The front side of the connecting plate (201) is fixedly connected to the back side of the wheelchair body (1).

3. The electric wheelchair with self-balancing function according to claim 1, characterized in that: The upper end of the driving rack (203) is connected to the adapter plate (205).

4. The electric wheelchair with self-balancing function according to claim 1, characterized in that: A sliding block is provided at the bottom of the driving rack (203) corresponding to the limiting slide rail (202).

5. The electric wheelchair with self-balancing function according to claim 1, characterized in that: The driving gear (209) is meshedly connected with the driving rack (203).

6. The electric wheelchair with self-balancing function according to claim 1, characterized in that: The rotating rod (208) is rotatably connected to the first support seat (206) and the second support seat (207) via a rotating shaft.

Images