Power-assisted carbon fiber leisure wheelchair
By designing a carbon fiber leisure wheelchair with an adjustable swivel seat and a locking swivel lever, the problems of large space occupation and lack of electric power assistance in existing wheelchairs have been solved. This design enables the wheelchair to be folded and electrically assisted, making it suitable for a wide range of people and improving user comfort and structural stability.
Patent Information
- Application Number
- CN202411628611.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2026-01-02
AI Technical Summary
Existing recreational wheelchairs take up a lot of space, are inconvenient to store, have non-adjustable seat depth, and lack electric power assist, making them labor-intensive to use in the long run.
A powered carbon fiber recreational wheelchair has been designed, featuring an adjustable swivel seat and a lockable swivel bar for folding, an auxiliary motor for power, adjustable retaining sleeves for controlling seat depth and backrest tilt, retractable push handles and support legs, magnets for attracting metal objects, and armrests and stabilizing wheels for enhanced comfort.
It achieves space saving for wheelchairs, is suitable for a wide range of people, is labor-saving and comfortable to use, has electric power assist function, and improves the practicality and stability of the structure.
Smart Images

Figure CN121242853A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of leisure wheelchairs, in particular to a carbon fiber leisure wheelchair with assistance. BACKGROUND
[0002] A leisure wheelchair is a portable seat designed for people with limited mobility or who need assistance with movement. It is usually composed of two large wheels, a small wheel (or more), a seat, and other components. The structure is stable and easy to move, making it suitable for people with lower limb disabilities, hemiplegia, chest below paraplegia, and the elderly with limited mobility. It helps them move indoors and outdoors and enjoy leisure time.
[0003] In existing leisure wheelchairs, the frame of the wheelchair mostly only has a simple local overturning function for adjusting the local position. When not in use, it occupies a large space and is very inconvenient to store. The depth of the seat cannot be adjusted, making it difficult to adapt to a wide range of people. It also lacks electric assistance, which is very labor-intensive for long-term use. Therefore, to solve the above problems, a carbon fiber leisure wheelchair with assistance is essential. SUMMARY
[0004] The technical problem solved by the present application is to provide a carbon fiber leisure wheelchair with assistance that can solve the problems raised in the background.
[0005] To solve the above technical problems, according to one aspect of the present application, more specifically, a carbon fiber leisure wheelchair with assistance, including a fixed frame, the top of the fixed frame is fixedly connected with a seat cushion, the bottom of the fixed frame is rotatably connected with wheels on both sides of the seat cushion, the top of the fixed frame is slidably connected with a connecting frame on one side of the seat cushion, two connecting frames are fixedly connected with a backrest between them, the bottom of the fixed frame is rotatably connected with two lockable rotating rods away from the connecting frame, the bottom of the two lockable rotating rods is rotatably connected with a front wheel, the bottom of the two connecting frames is fixedly provided with an adjustable rotating seat and rotatably connected to one side of the top of the fixed frame through the adjustable rotating seat.
[0006] Furthermore, the two connecting frames are fixedly provided with an adjustable fixing sleeve at the bottom of the adjustable rotating seat, the adjustable rotating seat is used to control the overturning of the connecting frame, the two adjustable fixing sleeves are clamped and fitted on one side of the top of the fixed frame, the adjustable fixing sleeve is used to control the sliding of the connecting frame and the backrest on the top of the fixed frame, and the top of the two connecting frames is clamped and connected with a push handle.
[0007] Further, the top of the two push handles is rotationally provided with a handle, the bottom of the two push handles is telescopically provided with a supporting leg, the outer side of the two push handles is fixedly provided with a fixed buckle, the fixed buckle is used for controlling the telescoping of the supporting leg, and the bottom of the supporting leg is provided with a magnet.
[0008] Further, the two sides of the fixed frame are rotationally connected with auxiliary motors on the side of the wheels, the bottom of the two auxiliary motors is rotationally provided with an auxiliary wheel, the two auxiliary wheels are respectively in transmission connection with the two wheels, the auxiliary motor is used for providing power and has a brake function, the side of the auxiliary motor is rotationally provided with a knob, the knob is vertically a brake mode, horizontally a power-assisted mode, and obliquely 45 degrees a reverse charging mode used for charging the auxiliary motor battery through the rotational energy of the wheels.
[0009] Further, the side of the two auxiliary motors is fixedly provided with an adjusting knob, and the adjusting knob is used for controlling the rotational speed of the auxiliary wheel.
[0010] Further, the two sides of the fixed frame are telescopically provided with an armrest between the cushion and the wheel, the top of the armrest is fixedly provided with a circular arc surface, the bottom of the fixed frame is fixedly provided with two connecting rods on the side away from the front wheel, and the bottom of the two connecting rods is rotationally provided with a stabilizing wheel.
[0011] Further, the foot support plate is clamped and connected between the two lockable rotating rods, the top of the foot support plate is fixedly provided with an anti-skid pattern, and the side away from the cushion of the two wheels is fixedly provided with an auxiliary handle.
[0012] Further, the fixed plate is fixedly arranged between the two connecting frames on the back side of the backrest, and the fixed plate and the internal supporting rod of the wheel are made of carbon fiber material.
[0013] The carbon fiber leisure wheelchair with power assistance has the following advantages:
[0014] By arranging the adjustable rotating seat and the lockable rotating rod, when not in use, the wheelchair can be folded by first disassembling the wheels and then turning over the backrest and the front wheel through the adjustable rotating seat and the lockable rotating rod respectively, thereby greatly reducing the space occupied during storage, and the auxiliary wheel is arranged to assist in controlling the rotation of the wheel, which is more labor-saving and comfortable to use.
[0015] The depth of the seat is controlled by setting the adjustable fixing sleeve to control the sliding of the connecting frame and the backrest on the top of the fixing frame, and the inclination angle of the backrest is adjusted by the adjustable rotating seat, thereby being suitable for more people, and the push handle and the supporting leg are set, so that the push handle can be used as a crutch by the telescopic supporting leg during use, and the magnet can be used to attract metal objects when necessary, thereby effectively improving the practicability of the structure.
[0016] The auxiliary motor and the adjusting knob are set, so as to adjust the rotating speed of the auxiliary wheel, and the speed of a certain auxiliary wheel can be accelerated, thereby more intelligently assisting the wheel, the armrest is set to effectively improve the comfort during use, the stabilizing wheel is set to effectively improve the stability during use, the foot support plate and the auxiliary handle are set to further improve the comfort during use, and the fixing plate is set to effectively improve the stability of the structure. BRIEF DESCRIPTION OF DRAWINGS
[0017] The application will be further described in detail below in combination with the drawings and specific implementation methods.
[0018] Figure 1 It is a whole structure schematic view of the carbon fiber leisure wheelchair with assistance of the application;
[0019] Figure 2 It is a backrest structure schematic view of the carbon fiber leisure wheelchair with assistance of the application;
[0020] Figure 3 It is a structure sectional view schematic view of the carbon fiber leisure wheelchair with assistance of the application;
[0021] Figure 4 It is a push handle structure schematic view of the carbon fiber leisure wheelchair with assistance of the application.
[0022] In the figure: 1, fixing frame; 10, foot support plate; 12, seat cushion; 13, armrest; 2, connecting frame; 20, backrest; 21, fixing plate; 22, adjustable rotating seat; 23, adjustable fixing sleeve; 3, wheel; 30, auxiliary handle; 4, auxiliary motor; 40, auxiliary wheel; 5, front wheel; 50, lockable rotating rod; 6, push handle; 60, handle; 61, supporting leg; 62, fixing buckle; 63, magnet; 7, connecting rod; 70, stabilizing wheel. DETAILED DESCRIPTION
[0023] In order to make the technical scheme of the application clearer, the application will be further described in detail below in combination with the drawings and specific examples.
[0024] Example 1
[0025] As Figures 1-4As shown, according to one aspect of the present application, a carbon fiber leisure wheelchair with assistance is provided, comprising a fixed frame 1, a seat cushion 12 is fixedly connected to the top of the fixed frame 1, wheels 3 are rotatably connected to the bottom of the fixed frame 1 on both sides of the seat cushion 12, connecting frames 2 are slidably connected to the top of the fixed frame 1 on one side of the seat cushion 12, backrests 20 are fixedly connected between the two connecting frames 2, two lockable rotating rods 50 are rotatably connected to the bottom of the fixed frame 1 on the side away from the connecting frames 2, front wheels 5 are rotatably connected to the bottom of the two lockable rotating rods 50, and adjustable rotating seats 22 are fixedly arranged on the bottom of the two connecting frames 2 and rotatably connected to one side of the top of the fixed frame 1 through the adjustable rotating seats 22. By arranging the adjustable rotating seats 22 and the lockable rotating rods 50, when not in use, the wheels 3 are first disassembled, and then the backrests 20 and the front wheels 5 are respectively flipped through the adjustable rotating seats 22 and the lockable rotating rods 50 to realize the folding of the wheelchair, thereby greatly reducing the space occupied during storage.
[0026] In this embodiment, the adjustable rotating seats 22 are fixedly arranged on the bottom of the two connecting frames 2, the adjustable rotating seats 22 are used to control the flipping of the connecting frames 2, the two adjustable fixing sleeves 23 are clamped and sleeved on one side of the top of the fixed frame 1, the adjustable fixing sleeves 23 are used to control the sliding of the connecting frames 2 and the backrests 20 on the top of the fixed frame 1, the two connecting frames 2 are clamped and connected to the top of the two connecting frames 2, the depth of the seat is controlled by arranging the adjustable fixing sleeves 23 to control the sliding of the connecting frames 2 and the backrests 20 on the top of the fixed frame 1, and the inclination angle of the backrests 20 is adjusted by the adjustable rotating seats 22, thereby being suitable for a wider range of people.
[0027] In this embodiment, the two push handles 6 are rotatably arranged on the top of the two push handles 6, the two push handles 6 are telescopically arranged on the bottom of the two push handles 6, the two push handles 6 are fixedly arranged on the outer side of the two push handles 6, the fixed buckles 62 are used to control the telescopic extension of the support legs 61, and the magnets 63 are arranged on the bottom of the support legs 61. By arranging the push handles 6 and the support legs 61, the push handles 6 can be used as a walking stick by telescopic extension of the support legs 61 during use, and the magnets 63 can be used to attract metal objects when necessary, thereby effectively improving the practicality of the structure.
[0028] In this embodiment, the auxiliary motors 4 are rotatably connected to the side of the wheels 3 on both sides of the fixed frame 1, the auxiliary wheels 40 are rotatably arranged on the bottom of the two auxiliary motors 4, the two auxiliary wheels 40 are respectively in transmission connection with the two wheels 3, the auxiliary motors 4 are used to provide power and have a brake function, the knobs are rotatably arranged on one side of the auxiliary motors 4, the knobs are vertically arranged as a brake mode, horizontally arranged as an assistance mode, and obliquely arranged at 45° as a reverse charging mode for charging the battery of the auxiliary motor 4 through the rotation of the wheels 3, and the auxiliary wheels 40 are arranged to assist in controlling the rotation of the wheels 3, thereby being more labor-saving and comfortable to use.
[0029] In the embodiment, the two auxiliary motors 4 are fixedly provided with adjusting knobs on one side, and the adjusting knobs are used to control the rotating speed of the auxiliary wheels 40. By setting the auxiliary motors 4 and the adjusting knobs, the rotating speed of the auxiliary wheels 40 is adjusted, and the speed of a certain auxiliary wheel 40 can be accelerated, thereby intelligently assisting the wheels 3.
[0030] In the embodiment, the fixed frame 1 is provided with the armrests 13 between the seat cushions 12 and the wheels 3 on both sides, the top of the armrest 13 is fixedly provided with a circular arc surface, the bottom of the fixed frame 1 is fixedly provided with two connecting rods 7 away from the front wheels 5, and the bottom of the two connecting rods 7 is rotatably provided with the stabilizing wheels 70. By setting the armrests 13, the comfort during use is effectively improved, and by setting the stabilizing wheels 70, the stability during use is effectively improved.
[0031] In the embodiment, the two lockable rotating rods 50 are clamped and connected with the foot support plates 10, the top of the foot support plate 10 is fixedly provided with anti-skid lines, and the two wheels 3 are fixedly provided with the auxiliary handles 30 away from the seat cushions 12. By setting the foot support plates 10 and the auxiliary handles 30, the comfort during use is further improved.
[0032] In the embodiment, the two connecting frames 2 are fixedly provided with the fixed plates 21 behind the backrests 20, and the fixed plates 21 and the internal support rods of the wheels 3 are made of carbon fiber material. By setting the fixed plates 21, the stability of the structure is effectively improved.
[0033] The above-described embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as limiting the scope of the present application. It should be noted that for ordinary skilled in the art, without departing from the concept of the present application, several modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.
Claims
1. A carbon fiber recreational wheelchair with power assistance, comprising a fixed frame (1), characterized in that: A seat cushion (12) is fixedly connected to the top of the fixed frame (1). Wheels (3) are rotatably connected to both sides of the seat cushion (12) at the bottom of the fixed frame (1). A connecting frame (2) is slidably connected to the top of the fixed frame (1) on one side of the seat cushion (12). A backrest (20) is fixedly connected between the two connecting frames (2). Two lockable rotating rods (50) are rotatably connected to the bottom of the fixed frame (1) on the side away from the connecting frame (2). A front wheel (5) is rotatably connected to the bottom of each of the two lockable rotating rods (50). An adjustable rotating seat (22) is fixedly provided at the bottom of each of the two connecting frames (2) and is rotatably connected to the top side of the fixed frame (1) through the adjustable rotating seat (22).
2. The carbon fiber recreational wheelchair with power assistance according to claim 1, characterized in that: Both connecting frames (2) are fixedly provided with adjustable fixing sleeves (23) at the bottom of the adjustable rotating seat (22). The adjustable rotating seat (22) is used to control the flipping of the connecting frame (2). Both adjustable fixing sleeves (23) are engaged and sleeved on the top side of the fixed frame (1). The adjustable fixing sleeves (23) are used to control the sliding of the connecting frame (2) and the backrest (20) on the top of the fixed frame (1). Both connecting frames (2) are engaged and connected with push handles (6).
3. The assisted carbon fiber leisure wheelchair according to claim 2, characterized in that: Both push handles (6) are rotatably provided with a handle (60) at the top, and both push handles (6) are retractably provided with a support leg (61) at the bottom. Both push handles (6) are fixedly provided with a fixing buckle (62) on the outside. The fixing buckle (62) is used to control the extension and retraction of the support leg (61). The bottom of the support leg (61) is provided with a magnet (63).
4. The carbon fiber recreational wheelchair with power assistance according to claim 1, characterized in that: The fixed frame (1) has auxiliary motors (4) rotatably connected to both sides of the wheel (3). The bottom of each of the two auxiliary motors (4) is rotatably provided with auxiliary wheels (40). Each of the two auxiliary wheels (40) is connected to the two wheels (3) respectively. The auxiliary motors (4) are used to provide power and have a braking function. A knob is rotatably provided on one side of the auxiliary motors (4). The knob is vertical for braking mode, horizontal for power assist mode, and tilted at 45° for reverse charging mode, which is used to charge the battery of the auxiliary motors (4) by the rotation of the wheel (3).
5. A carbon fiber recreational wheelchair with power assistance according to claim 4, characterized in that: Each of the two auxiliary motors (4) has an adjustment knob fixedly installed on one side, which is used to control the rotation speed of the auxiliary wheel (40).
6. The assisted carbon fiber leisure wheelchair according to claim 1, characterized in that: Armrests (13) are telescopically provided between the seat cushions (12) on both sides of the fixed frame (1) and the wheels (3). The top of the armrests (13) is fixedly provided with an arc surface. Two connecting rods (7) are fixedly provided on one side of the bottom of the fixed frame (1) away from the front wheel (5). The bottom of the two connecting rods (7) is rotatably provided with stabilizing wheels (70).
7. A carbon fiber recreational wheelchair with power assistance according to claim 1, characterized in that: A foot support plate (10) is engaged between the two lockable rotating rods (50). The top of the foot support plate (10) is fixedly provided with anti-slip texture. The two wheels (3) are each fixedly provided with auxiliary handles (30) on the side away from the seat (12).
8. A carbon fiber recreational wheelchair with power assistance according to claim 1, characterized in that: A fixing plate (21) is fixedly installed between the two connecting frames (2) on the backrest (20) and the fixing plate (21) and the internal support rod of the wheel (3) are both made of carbon fiber material.