Heavy-load wheelchair tractor
By designing a heavy-duty wheelchair tractor, the expansion and contraction function of the vacant load and electric push rod in the middle of the frame is solved, and the problem of insufficient load space in the existing technology is achieved, achieving a larger load space and simple operation effect.
Patent Information
- Application Number
- CN202420410461.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-04
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-03-04
AI Technical Summary
During the use of existing wheelchair pull heads, passengers lack space to carry items, which leads to inconvenience and poses a major safety hazard.
A heavy-duty wheelchair tractor is designed, the middle part of the frame is vacant for the load, equipped with an electric push rod and a rotation direction handle, realizing the rotation of the front and rear connecting parts and the telescopic function of the electric push rod, increasing the load space and simplifying the operation.
The design provides a larger cargo space to meet the needs of daily carry items or parent-child travel. It is simple to operate and has good practicality, reducing safety hazards during use.
Smart Images
Figure CN222584843U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wheelchairs, in particular to a heavy-duty wheelchair tractor. Background Art
[0002] Wheelchairs are important tools for rehabilitation. They are not only a means of transportation for people with physical disabilities, but more importantly, they can use wheelchairs to exercise and participate in social activities. With the development of the times, in order to better serve people with physical disabilities, many manufacturers have improved wheelchairs, some of which have added improvements to the mechanism, and some have added functional modules, such as voice control, induction, etc. Electric wheelchairs and combined wheelchairs have also become a new research hotspot.
[0003] Manual wheelchairs are mostly used by patients, disabled people and the elderly, and are usually pushed by caregivers or moved by the user's own hand wheel rims, which is particularly inconvenient for users to travel long distances alone. Therefore, a rideable wheelchair has appeared on the market. The rideable wheelchair consists of a traction head and a wheelchair. The wheelchair traction head and the wheelchair are detachably connected through a connecting structure, realizing the electric ride function of the manual wheelchair.
[0004] Generally, when a wheelchair traction head is in use, passengers do not have extra space to carry items and can only place them on their legs or hang them on the wheelchair. This is not only inconvenient, but also increases great safety hazards. Utility Model Content
[0005] In order to solve the above technical problems, the utility model discloses a heavy-duty wheelchair tractor, comprising a frame, a front head tube of the frame being connected to a front fork, the front fork being equipped with a motor, a front fork and a disc brake, the middle part of the frame being vacant and used for carrying objects, a turning handlebar being installed on the rear head tube of the frame, the front fork and the turning handlebar being connected by a steering rod, so that the turning handlebar drives the front fork to rotate, thereby realizing the function of steering the entire vehicle; a battery is also installed on the frame to provide power for the entire vehicle, a front and rear connecting part is installed below the turning handlebar for connecting a manual wheelchair part, the front and rear connecting parts are connected to the rear part of the frame by an electric push rod, and when the front and rear connecting parts are connected to the manual wheelchair, the front and rear connecting parts are rotated by controlling the extension and retraction of the electric push rod.
[0006] In the above technical solution, the front fork can rotate 360° with the front head tube of the frame as the rotation axis, and the rotation direction handle can rotate 360° with the rear head tube of the frame as the rotation axis. The positions where the front and rear connecting parts are connected to the rear of the frame and the electric push rod are both provided with rotation axes set as the first rotation axis and the second rotation axis. The electric push rod is installed on the first rotation axis and the second rotation axis and can realize the functions of extension and shortening. The frame is provided with a rotation axis set as the third rotation axis for installing the front and rear connecting parts, and the front fork and the rotation direction are each provided with a rotation axis set as the fourth and fifth rotation axes for installing the steering rod.
[0007] Beneficial effects of the utility model: Compared with the prior art, the heavy-duty wheelchair tractor of the utility model has a large usage space, fully meets the requirements for carrying carry-on items or parent-child travel during daily use, is easy to operate, and has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0008] Figure 1 It is a structural schematic diagram of the utility model.
[0009] Figure 2 It is a schematic diagram of the steering shaft structure in the utility model.
[0010] Figure 3 It is a schematic diagram of the assembly of various parts of the utility model.
[0011] Figure 4 It is a schematic diagram of the use process of the utility model.
[0012] Figure 5 It is a schematic diagram of the use state of the utility model.
[0013] In the figure, 1-front fork, 2-frame, 3-steering rod, 4-battery, 5-turning handlebar, 6-electric push rod, 7-connecting part, 8-front head tube, 9-rear head tube, 10-first rotation axis, 11-second rotation axis, 12-third rotation axis, 13-fourth rotation axis, 14-fifth rotation axis. DETAILED DESCRIPTION
[0014] In order to deepen the understanding of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. The embodiments are only used to explain the present invention and do not limit the protection scope of the present invention.
[0015] Example: Figure 1 , Figure 2 and Figure 3As shown, a heavy-duty wheelchair tractor comprises a frame 2, wherein a front head tube 8 of the frame 2 is connected to a front fork 1, on which a motor, the front fork 1 and a disc brake are installed, and the middle part of the frame 2 is left vacant for carrying objects, and a turning handlebar 5 is installed on the rear head tube 9 of the frame 2, and the front fork 1 and the turning handlebar 5 are connected via a steering rod 3, so that the turning handlebar 5 drives the front fork 1 to rotate, thereby realizing the steering function of the whole vehicle; a battery 4 is also installed on the frame 2 to provide power for the whole vehicle, and a front and rear connecting part 7 for connecting a manual wheelchair part is installed below the turning handlebar 5, and the front and rear connecting part 7 is connected to the rear part of the frame 2 via an electric push rod 6. When the front and rear connecting part 7 is connected to the manual wheelchair, the front and rear connecting part 7 is rotated by controlling the extension and retraction of the electric push rod 6.
[0016] In this embodiment, the front fork 1 can rotate 360° with the front head tube 8 of the frame 2 as the rotation axis, and the turning direction handle 5 can rotate 360° with the rear head tube 9 of the frame 2 as the rotation axis. The positions where the front and rear connecting parts 7 are connected to the rear of the frame 2 and the electric push rod 6 are provided with a rotation axis set as a first rotation axis 10 and a second rotation axis 11. The electric push rod 6 is installed on the first rotation axis 10 and the second rotation axis 11, and can achieve the function of extension and shortening. The frame 2 is provided with a rotation axis set as a third rotation axis 12 for installing the front and rear connecting parts 7. The front fork 1 and the rotation direction are each provided with a rotation axis set as a fourth rotation axis 13 and a fifth rotation axis 14 for installing the steering rod 3.
[0017] like Figure 4 and Figure 5 As shown, first, the front and rear connecting parts 7 are clamped on the rear head tube 9 of the frame 2, and then the length of the electric push rod 6 is contracted to rotate the front and rear connecting parts 7 around the rear head tube 9, so that the load-carrying tractor and the wheelchair are raised at the same time, and the wheels leave the ground, so that the whole is transformed into a three-wheeled vehicle structure.
[0018] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A heavy-duty wheelchair tractor, characterized in that: The bicycle comprises a frame, wherein a front head tube of the frame is connected to a front fork, and a motor, a front fork and a disc brake are installed on the front fork; a middle part of the frame is left vacant for carrying objects; a rotating handlebar is installed on the rear head tube of the frame; the front fork and the rotating handlebar are connected by a steering rod, so that the rotating handlebar drives the front fork to rotate, thereby realizing the steering function of the whole vehicle; a battery is also installed on the frame to provide power for the whole vehicle; a front and rear connecting part is installed below the rotating handlebar for connecting a manual wheelchair part; the front and rear connecting parts are connected to the rear part of the frame by an electric push rod; when the front and rear connecting parts are connected to the manual wheelchair, the front and rear connecting parts are rotated by controlling the extension and retraction of the electric push rod.
2. The heavy-duty wheelchair tractor according to claim 1, characterized in that: The front fork can rotate 360 degrees with the front head pipe of the frame as a rotation axis.
3. The heavy-duty wheelchair tractor according to claim 2, characterized in that: The rotating handle can rotate 360 degrees with the rear head pipe of the frame as the rotation axis.
4. The heavy-duty wheelchair tractor according to claim 3, characterized in that: The positions where the front and rear connecting parts and the rear part of the frame are connected to the electric push rod are all provided with rotating axes set as the first rotating axis and the second rotating axis. The electric push rod is installed on the first rotating axis and the second rotating axis and can realize the functions of extension and shortening.
5. The heavy-duty wheelchair tractor according to claim 4, characterized in that: The frame is provided with a rotation axis which is set as a third rotation axis for mounting the front and rear connecting parts.
6. The heavy-duty wheelchair tractor according to claim 5, characterized in that: The front fork is respectively provided with a rotation axis in the rotation direction, which is set as the fourth and fifth rotation axes for installing the steering rod.