CN214761860U

CN214761860U - A helping hand motor repacking structure and wheelchair car for wheelchair car

Info

Publication number: CN214761860U
Application number: CN202023221508.4U
Authority: CN
Inventors: 傅松平
Original assignee: Suzhou Xiongfeng Motor Co ltd
Current assignee: Suzhou Xiongfeng Motor Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-11-19
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a helping hand motor repacking structure for wheelchair, it relates to the motor field. The technical scheme is characterized by comprising a fixing plate, wherein a connecting rod assembly is arranged on the fixing plate, and an auxiliary motor and a brake rod are respectively arranged on the connecting rod assembly; the connecting rod assembly is used for enabling the power-assisted motor and the brake rod to be in contact with or separated from a wheel, and when one of the power-assisted motor and the brake rod is in contact with the wheel, the other one of the power-assisted motor and the brake rod is separated from the wheel. The utility model has the advantages of simple structure and low cost, and can realize the electric power-assisted advancing by being arranged on the manual wheelchair.

Description

A helping hand motor repacking structure and wheelchair car for wheelchair car

Technical Field

The utility model relates to a motor field, more specifically says, it relates to a helping hand motor repacking structure and wheelchair car for wheelchair car.

Background

Wheelchair vehicles are devices for assisting mobility-impaired people and disabled people to move, and are generally classified into manual wheelchair vehicles and electric wheelchair vehicles. The electric wheelchair is a power wheelchair which is driven by a storage battery serving as an energy source and controlled by an electronic device, and a user can drive the electric wheelchair to move by the control device. The manual wheelchair requires a user to manually drive wheels to travel.

Although the electric wheelchair is convenient to use, the electric wheelchair has large overall weight and high cost, and the manual wheelchair is not suitable for long-distance running or climbing uphill.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a helping hand motor repacking structure for wheelchair, its simple structure, it is with low costs, install and to realize that electronic helping hand is marchd on manual wheelchair.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a modified structure of a power-assisted motor for a wheelchair comprises a fixed plate, wherein a connecting rod assembly is arranged on the fixed plate, and a power-assisted motor and a brake rod are respectively arranged on the connecting rod assembly; the connecting rod assembly is used for enabling the power-assisted motor and the brake rod to be in contact with or separated from a wheel, and when one of the power-assisted motor and the brake rod is in contact with the wheel, the other one of the power-assisted motor and the brake rod is separated from the wheel.

Further, the boosting motor is a hub motor.

Further, a clamping plate assembly is arranged on the fixing plate.

Furthermore, the connecting rod assembly comprises a first connecting rod and a third connecting rod used for bearing the power-assisted motor, a first pin shaft connected with the fixing plate penetrates through the first connecting rod, and a fourth pin shaft connected with the fixing plate penetrates through the third connecting rod; a second connecting rod is hinged between the first connecting rod and the third connecting rod, and a second pin shaft is arranged between the second connecting rod and the first connecting rod in a penetrating manner; the fourth pin shaft is sleeved with a fifth connecting rod used for bearing the brake lever, a fifth pin shaft penetrates through the fifth connecting rod, and the fourth connecting rod is connected between the fifth pin shaft and the second pin shaft.

Further, a handle is arranged at the end part of the first connecting rod.

Further, a motor support is arranged on the third connecting rod, and the power-assisted motor comprises a main shaft fixed on the motor support.

Further, the splint subassembly includes two splint that pass through bolted connection, be provided with spacing draw-in groove on the splint.

Another object of the utility model is to provide a wheelchair, it includes frame horizontal pole and wheel, be provided with above-mentioned helping hand motor repacking structure on the frame horizontal pole.

To sum up, the utility model discloses following beneficial effect has:

1. the structure is simple, the cost is low, and the electric power-assisted advancing can be realized by mounting the electric power-assisted wheelchair on a manual wheelchair;

2. the connecting rod assembly is respectively provided with the power assisting motor and the brake rod, so that the electric power assisting is realized, and meanwhile, the speed reduction brake can be carried out, the operation is convenient, and the safety and the reliability are good;

3. the hub motor is adopted, so that the advantages of convenience in installation and simplification of the whole structure are achieved.

Drawings

FIG. 1 is a first schematic view showing a modified structure of a booster motor for a wheelchair in embodiment 1;

FIG. 2 is a second schematic view showing a modified structure of the assist motor for a wheelchair in accordance with embodiment 1;

fig. 3 is a schematic structural view of a wheelchair in embodiment 2.

In the figure: 1. a fixing plate; 21. a first link; 22. a second link; 23. a third link; 24. a fourth link; 25. a fifth link; 26. a handle; 27. a motor bracket; 31. a first pin shaft; 32. a second pin shaft; 33. a third pin shaft; 34. a fourth pin shaft; 35. a fifth pin shaft; 4. a booster motor; 41. a main shaft; 5. a brake lever; 6. a cleat assembly; 71. a frame rail; 72. and (7) wheels.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Example 1:

a modified structure of a power-assisted motor for a wheelchair is disclosed, and the modified structure is shown in figure 1, and comprises a fixing plate 1, wherein a connecting rod assembly is arranged on the fixing plate 1, and a power-assisted motor 4 and a brake rod 5 are respectively arranged on the connecting rod assembly; the connecting rod assembly is used for enabling the power-assisted motor 4 and the brake rod 5 to be in contact with or separated from a wheel, and when one of the power-assisted motor 4 and the brake rod 5 is in contact with the wheel, the other one is separated from the wheel.

Referring to fig. 1 and 2, in the present embodiment, the assist motor 4 is a hub motor, which is convenient to install and can simplify the overall structure; in other alternative embodiments, the power-assisted motor 4 may also be a rotating shaft type motor, and a driving wheel is mounted on the rotating shaft; a clamping plate assembly 6 is arranged on the fixing plate 1, the clamping plate assembly 6 comprises two clamping plates connected through bolts, and a limiting clamping groove is formed in each clamping plate; the clamping plate assembly 6 can be arranged on the wheelchair while fastening the fixed plate 1, so that the modification is convenient; in other alternative embodiments, the cleat assembly 6 may be replaced by other fixing structures, which are not limited herein, and the fixing plate 1 may be fixed to the wheelchair.

Referring to fig. 1, the connecting rod assembly includes a first connecting rod 21 and a third connecting rod 23 for carrying the assist motor 4, a first pin 31 connected with the fixed plate 1 penetrates through the middle of the first connecting rod 21, and a fourth pin 34 connected with the fixed plate 1 penetrates through the end of the third connecting rod 23; a second connecting rod 22 is hinged between the first connecting rod 21 and the third connecting rod 23, a second pin shaft 32 is arranged between the second connecting rod 22 and the first connecting rod 21 in a penetrating manner, and a third pin shaft 33 is arranged between the second connecting rod 22 and the third connecting rod 23 in a penetrating manner; the fourth pin shaft 34 is sleeved with a fifth connecting rod 25 used for bearing the brake lever 5, a fifth pin shaft 35 penetrates through the middle of the fifth connecting rod 25, and a fourth connecting rod 24 is connected between the fifth pin shaft 35 and the second pin shaft 32.

Referring to fig. 1 and 2, the brake lever 5 is fixed to an end of the fifth link 25, both of which are fixedly connected by a bolt; a handle 26 is obliquely arranged at the end part of the first connecting rod 21, and the connecting rod assembly is driven to move through the handle 26; the third connecting rod 23 is provided with an L-shaped motor bracket 27, and the power-assisted motor 4 comprises a main shaft 41 fixed on the motor bracket 27; after the spindle 41 passes through the motor holder 27, a nut is screwed to the spindle 41 to fix the spindle.

Example 2:

a wheelchair, referring to fig. 1 to 3, comprising a frame rail 71 and wheels 72, wherein the frame rail 71 is provided with a modified structure of a power-assisted motor in embodiment 1; the modified structure of the power-assisted motor is fixed on the frame cross rod 71 through the clamping plate assembly 6, and the position of the clamping plate assembly 6 can be adjusted according to the outer diameter of the wheel 72, namely the modified structure of the power-assisted motor can be suitable for wheels 72 with different outer diameters; in the embodiment, the wheelchair is provided with the power-assisted motor 4, and the wheelchair can move by driving one wheel 72; in other alternative embodiments, it is also possible to install the booster motor 4 at both wheels 72 and then configure the respective synchronous control structures.

The working principle is as follows:

the handle 26 is pushed forwards to drive the connecting rod assembly to act, so that the power-assisted motor 4 is in contact with the wheel 72, and the brake rod 5 is separated from the wheel 72, and the electric power is realized to enable the wheelchair to move forwards; at this time, the first pin 31, the second pin 32 and the third pin 33 are located on the same connecting line, and the first pin 31, the fourth pin 34 and the fifth pin 35 are located on the same connecting line, so that the connecting rod assembly is in a locked state, and the wheelchair can be maintained in an electric power-assisted state.

The handle 26 is pressed backwards to drive the connecting rod assembly to move and break away from a locking state, so that the power-assisted motor 4 can be separated from the wheel 72, the handle 26 is pressed backwards continuously to enable the brake rod 5 to be in contact with the wheel 72, and the wheel 72 can be braked in a speed reduction mode.

Claims

1. The utility model provides a helping hand motor repacking structure for wheelchair which characterized in that: the brake device comprises a fixed plate, wherein a connecting rod assembly is arranged on the fixed plate, and a power assisting motor and a brake rod are respectively arranged on the connecting rod assembly; the connecting rod assembly is used for enabling the power-assisted motor and the brake rod to be in contact with or separated from a wheel, and when one of the power-assisted motor and the brake rod is in contact with the wheel, the other one of the power-assisted motor and the brake rod is separated from the wheel.

2. The booster motor retrofit structure for a wheelchair as claimed in claim 1, wherein: the power-assisted motor is a hub motor.

3. The booster motor retrofit structure for a wheelchair as claimed in claim 1, wherein: and a clamping plate assembly is arranged on the fixing plate.

4. The booster motor retrofit structure for a wheelchair as claimed in claim 2, wherein: the connecting rod assembly comprises a first connecting rod and a third connecting rod used for bearing the power-assisted motor, a first pin shaft connected with the fixing plate penetrates through the first connecting rod, and a fourth pin shaft connected with the fixing plate penetrates through the third connecting rod; a second connecting rod is hinged between the first connecting rod and the third connecting rod, and a second pin shaft is arranged between the second connecting rod and the first connecting rod in a penetrating manner; the fourth pin shaft is sleeved with a fifth connecting rod used for bearing the brake lever, a fifth pin shaft penetrates through the fifth connecting rod, and the fourth connecting rod is connected between the fifth pin shaft and the second pin shaft.

5. The booster motor retrofit structure for a wheelchair as claimed in claim 4, wherein: the end part of the first connecting rod is provided with a handle.

6. The booster motor retrofit structure for a wheelchair as claimed in claim 4, wherein: and a motor bracket is arranged on the third connecting rod, and the power-assisted motor comprises a main shaft fixed on the motor bracket.

7. The booster motor retrofit structure for a wheelchair as claimed in claim 3, wherein: the clamping plate assembly comprises two clamping plates connected through bolts, and limiting clamping grooves are formed in the clamping plates.

8. A wheelchair, characterized in that: the power-assisted motor modified structure comprises a frame cross rod and a wheel, wherein the frame cross rod is provided with the power-assisted motor modified structure as claimed in any one of claims 1 to 7.