CN217828249U

CN217828249U - Wheelchair traction device

Info

Publication number: CN217828249U
Application number: CN202221235111.7U
Authority: CN
Inventors: 李有
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-11-18
Anticipated expiration: 2032-05-19

Abstract

The utility model relates to the technical field of wheelchair traction, and discloses a wheelchair traction device, which comprises a frame, a handle arranged on the frame, a shock absorber and a traction wheel, wherein the traction wheel is provided with a driving motor and drives the traction wheel to rotate forwards; the wheelchair comprises a frame, a locking device arranged on the frame, a connecting assembly detachably connected with the wheelchair through the locking device, a braking system, a power supply, a speed regulating system and a control device. The connecting assembly and the locking device which are connected with the wheelchair are arranged to be connected with the frame, and when the wheelchair needs to be pulled, the hook device is hooked on the hook shaft, the handle is lifted upwards, so that the clamping shaft is clamped into the slot and connected for pulling; in order to guarantee the stability of connection, fix through setting up the latch hook piece, improve the security performance. The unlocking assembly is arranged, so that the unlocking convenience is improved, and the unlocking is convenient and quick. In order to improve the safety at night or in rainy days, a width display device is also arranged and irradiates through an infrared spotlight.

Description

Wheelchair traction device

Technical Field

The utility model relates to a wheelchair pulls technical field, concretely relates to wheelchair draw gear.

Background

At present, china enters an aging society, and the hand push wheelchair enters common people, the hand push wheelchair is light in weight, can be folded and is convenient to store and carry, and the hand push wheelchair becomes a representative tool for the disabled, the old and the weak, but in the outdoor or large-scale shopping malls, if no person pushes the wheelchair, the user cannot bear long-distance pushing, and therefore the range of activities is limited.

The wheelchair is by the wheel rim, the seat, pedal, the back, handrail and universal wheel etc. form a whole through welding and interlinkage, but to going on a journey radius very restricted, some wheelchair traction locomotive have also appeared on the existing market, all need fix wheelchair traction device's connecting piece and wheelchair through the bolt during use at every turn, use at every turn and all need dismantle the installation, and is more loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is to provide a wheelchair traction device with convenient use, convenient disassembly and stable structure.

The utility model provides a technical scheme that its technical problem adopted is: the wheelchair traction device comprises a frame, a handle, a shock absorber and traction wheels, wherein the handle, the shock absorber and the traction wheels are arranged on the frame; the wheelchair comprises a frame, a locking device arranged on the frame, a connecting assembly detachably connected with the wheelchair through the locking device, a brake system, a power supply, a speed regulating system and a control device; the brake system comprises a brake disc arranged on the traction wheel and a brake handle arranged on the handle; the speed regulating system is arranged on the handle.

Further, the method comprises the following steps: the locking device comprises a fixed sleeve, a locking device arranged on the fixed sleeve and a hook device connected with the connecting assembly; the locking device is provided with a hook shaft connected with the hook device, and the lower end far away from the hook shaft is provided with a slot; the hook device is provided with a groove connected with the hook shaft, and two sides of the lower end of the hook device, which are far away from the groove, are respectively provided with a clamping shaft.

Further, the method comprises the following steps: the lock hook piece is provided with a clamping groove used for being connected with the clamping shaft; the lock hook sheet is connected with the hook device through a rotating shaft.

Further, the method comprises the following steps: the unlocking assembly comprises an unlocking knob and a steel rope, one end of the steel rope is connected with the unlocking knob, and the other end of the steel rope is connected with the rotating shaft.

Further, the method comprises the following steps: the support is connected with the frame and positioned between the locking device and the traction wheel.

Further, the method comprises the following steps: the connecting assembly comprises a U-shaped pipe and connecting straight pipes connected to two ends of the U-shaped pipe through bolts.

Further, the method comprises the following steps: the U-shaped pipe is provided with grains for increasing friction force.

Further, the method comprises the following steps: and anti-skid teeth are arranged at the connection part of the hook device and the U-shaped pipe.

Further, the method comprises the following steps: the width display device is an infrared spotlight and is fixed on the shock absorber through a support.

Further, the method comprises the following steps: the number of the brake discs is 2, the number of the brake handles is 2, and each brake handle controls one brake disc respectively.

The utility model has the advantages that: the wheelchair traction device is connected with a frame through a locking device and a connecting component connected with a wheelchair, when traction is needed, a hook device is hooked on a hook shaft, a handle is lifted upwards, and a clamping shaft is clamped into a slot to be connected so as to facilitate traction; in order to guarantee the stability of connection, fix through setting up the latch hook piece, improve the security performance.

Through setting up the unblock subassembly, improved the convenience of unblock to unblock convenient and fast. In order to improve the safety at night or in rainy days, a width display device is further arranged and displayed through an infrared spotlight.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the present invention;

FIG. 3 is a schematic view of the locking device and the fixing sleeve;

FIG. 4 is a schematic view of a hook device;

labeled as: 10. a frame; 11. fixing the sleeve; 12. a locking device; 121. a hook shaft; 122. a slot; 131. a hooking device; 1311. a trench; 1322. clamping a shaft; 141. a U-shaped tube; 142. a straight pipe; 15. a latch hook piece; 172. a steel cord; 20. a handle; 30. a traction wheel; 40. a support member; 50. damping; 51. an infrared spot lamp; 60. an illuminating lamp; 70. a power source.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

The wheelchair traction device shown in fig. 1 to 4 comprises a frame 10, a handle 20 mounted on the frame 10, a shock absorber 50 and a traction wheel 30, wherein the traction wheel 30 is provided with a driving motor for driving the traction wheel 30 to rotate forwards; the wheelchair further comprises a locking device arranged on the frame 10, a connecting assembly detachably connected with the wheelchair through the locking device, a braking system, a power supply 70, a speed regulating system and a control device; the brake system comprises a brake disc arranged on the traction wheel 30 and a brake handle arranged on the handle 20; the governor system is mounted on the handle 20. The power supply 70 supplies power to the control device, the traction wheel 30 and the illumination lamp 60; when the wheelchair is used, the connecting assembly is firstly connected with the wheelchair, and when the wheelchair needs to be pulled, the wheelchair is manually rotated to the wheelchair traction device, and the hook device 131 is connected with the locking device 12, so that the wheelchair traction device can pull the wheel 30 to move. The brake system can take place emergency and slow down or brake when pulling to all be equipped with brake system on the both sides of handle 20, brake disc quantity is 2, and the brake lever is 2, and a brake disc is controlled respectively to every brake lever, makes things convenient for different crowds to use left hand or right hand to use.

On the basis, as shown in fig. 2 to 4, the locking device includes a fixing sleeve 11, a locking device 12 mounted on the fixing sleeve 11, and a hook device 131 connected with the connecting assembly; the locking device 12 is provided with a hook shaft 121 connected with the hook device 131, and the lower end far away from the hook shaft 121 is provided with a slot 122; the hook device 131 is provided with a groove 1311 connected with the hook shaft 121, and both sides of the lower end of the hook device 131 far away from the groove 1311 are respectively provided with a clamping shaft 1322. When the wheelchair traction device is required to perform traction, the groove 1311 in the hook device 131 is connected with the hook shaft 121 by rotating the wheelchair wheel, the hook shaft 121 is placed in the groove 1311, the handle 20 is lifted, the clamping shaft 1322 is clamped into the slot 122, and the wheelchair traction device can pull the wheel 30 to move forwards.

On the basis, as shown in fig. 1, in order to ensure the connection stability of the hook device 131 and the locker 12, a locking hook sheet 15 is further provided, and the locking hook sheet 15 is provided with a clamping groove for connecting with the clamping shaft 1322; the latch piece 15 is connected with the hook device 131 through a rotating shaft. In order to ensure the stable connection of the latch hook piece 15, a latch hook spring is further provided, the latch hook piece 15 is pulled towards the handle 20 by the latch hook spring, and when the latch hook device 131 is connected with the latch hook device, the clamping shaft 1322 cannot fall off from the clamping groove.

On the basis, as shown in fig. 1, the unlocking device further comprises an unlocking assembly for unlocking the latch piece 15, wherein the unlocking assembly comprises an unlocking knob and a steel rope 172, one end of the steel rope is connected with the unlocking knob, and the other end of the steel rope is connected with the rotating shaft. When the wheelchair traction device needs to be separated from the wheelchair, the unlocking knob on the handle 20 is twisted, and the rotation of the unlocking knob drives the steel rope 172 to be pulled upwards, so that the lower end of the steel rope 172 pulls the latch hook piece 15 to rotate downwards, and the clamping shaft 1322 can be conveniently moved out of the slot 122.

On the basis of the above, as shown in fig. 1, the vehicle further includes a support member 40, and the support member 40 is connected to the frame 10 and located between the locking device and the traction wheel 30. The support member 40 can support the wheelchair traction device when the wheelchair does not need the wheelchair traction device, so that the wheelchair can be conveniently parked.

On the basis, as shown in fig. 1, 2 and 4, the connecting assembly comprises a U-shaped pipe 141 and connecting straight pipes 142 connected to two ends of the U-shaped pipe 141 through bolts; the straight pipes 142 are arranged at the two ends of the U-shaped pipe 141, so that the straight pipes 142 can be conveniently connected with wheelchairs, and the wheelchair is suitable for wheelchairs with more specifications and is convenient to adjust. In order to improve the firmness of the connection between the hook device 131 and the U-shaped tube 141 and prevent the hook device from rotating easily, lines for increasing friction force are arranged on the U-shaped tube 141, and anti-slip teeth are arranged at the connection position of the hook device 131 and the U-shaped tube 141.

On the basis, as shown in fig. 1, in order to facilitate prompting in special weather such as night or foggy days, a width indicating device is further arranged, an infrared spot lamp 51 is adopted in the width indicating device in the embodiment, the width indicating device is fixed on a shock absorption 50 through a support, the infrared spot lamps 51 are installed for 2, and the left shock absorption 50 and the right shock absorption 50 are respectively installed for 1. An illumination lamp 60 for illuminating the advancing direction is also installed.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. Wheelchair draw gear, including the frame, install handle, shock attenuation and the traction wheel on the frame, its characterized in that: the traction wheel is provided with a driving motor and drives the traction wheel to rotate forwards; the wheelchair comprises a frame, a locking device arranged on the frame, a connecting assembly detachably connected with the wheelchair through the locking device, a brake system, a power supply, a speed regulating system and a control device; the brake system comprises a brake disc arranged on the traction wheel and a brake handle arranged on the handle; the speed regulating system is arranged on the handle.

2. The wheelchair traction device of claim 1 wherein: the locking device comprises a fixed sleeve, a locking device arranged on the fixed sleeve and a hook device connected with the connecting assembly; the locking device is provided with a hook shaft connected with the hook device, and the lower end far away from the hook shaft is provided with a slot; the hook device is provided with a groove connected with the hook shaft, and two sides of the lower end of the hook device, which are far away from the groove, are respectively provided with a clamping shaft.

3. The wheelchair traction device of claim 2 wherein: the lock hook piece is provided with a clamping groove used for being connected with the clamping shaft; the lock hook piece is connected with the hook device through a rotating shaft.

4. The wheelchair traction device of claim 3 wherein: the unlocking assembly comprises an unlocking knob and a steel rope, one end of the steel rope is connected with the unlocking knob, and the other end of the steel rope is connected with the rotating shaft.

5. The wheelchair traction device of claim 4 wherein: the support is connected with the frame and positioned between the locking device and the traction wheel.

6. The wheelchair traction device as claimed in any one of claims 2 to 5, wherein: the connecting assembly comprises a U-shaped pipe and connecting straight pipes connected to two ends of the U-shaped pipe through bolts.

7. The wheelchair traction device of claim 6 wherein: the U-shaped pipe is provided with grains for increasing friction force.

8. The wheelchair traction device of claim 7 wherein: and anti-skid teeth are arranged at the connection part of the hook device and the U-shaped pipe.

9. The wheelchair traction device of claim 8 wherein: the width display device is an infrared spotlight and is fixed on the shock absorber through a support.

10. The wheelchair traction device of claim 9 wherein: the number of the brake discs is 2, the number of the brake handles is 2, and each brake handle controls one brake disc respectively.