CN218684985U

CN218684985U - Novel electric drive formula wheelchair

Info

Publication number: CN218684985U
Application number: CN202222794306.1U
Authority: CN
Inventors: 陈培新
Original assignee: Foshan Nanhai Anjian Medical Equipment Fittings Co ltd
Current assignee: Foshan Nanhai Anjian Medical Equipment Fittings Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-03-24
Anticipated expiration: 2032-10-21

Abstract

A novel electric drive type wheelchair comprises a wheelchair frame for bearing the weight of a user and equipment, a driving wheel for driving, an integral balance wheel, a storage battery for energy sources, an electric control system for signal receiving and outputting, a transmission system for kinetic energy transmission and a braking system for braking the driving wheel, wherein a motor transmits power through the speed reduction function of the transmission system, so that the torque is increased, and the electric wheelchair can climb a slope more effectively; the braking system transmits braking force through a lever principle, so that the braking force is larger, and braking or parking is more effectively implemented; the protection effect on the storage battery can be improved by arranging the outer protection and the inner protection around the storage battery, so that the storage battery can work more safely and reliably.

Description

Novel electric drive formula wheelchair

Technical Field

The utility model belongs to the technical field of electronic wheelchair, concretely relates to novel electric drive formula wheelchair.

Background

The electric wheelchair is used as equipment for assisting mobility-impaired people and disabled people to move, is a necessary vehicle for disabled people, and is wide in application range, and can be used in hospitals and families, when the electric wheelchair encounters an uphill situation due to insufficient power, the electric wheelchair often cannot ascend the uphill situation due to insufficient power, when the electric wheelchair stays at a slope, the electric wheelchair causes a slope slip and other dangerous situations due to insufficient braking force, and when the electric wheelchair is used, improper operation often causes the storage battery to collide, violently vibrate, fall off and other situations, the storage battery is used as a core component of the electric wheelchair and is a dangerous article, serious potential safety hazards can occur when the storage battery is extruded and deformed, for example, the electric wheelchair on the patent CN 10266824.8 adopts a mode that a motor directly acts on a driving wheel to realize driving, the mode often causes uphill difficulty due to insufficient torque, and the storage battery is exposed and easily scratched by external objects, so that a novel electric wheelchair with high torque, anti-skid slope and strong protection on the storage battery is designed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a novel electric drive type wheelchair.

The utility model provides a technical scheme that its technical problem adopted is:

a novel electrically driven wheelchair comprises a wheelchair frame for bearing the weight of a user and equipment, a driving wheel for driving, a balance wheel for integral balance, a storage battery for energy sources, an electric control system for signal receiving and outputting, a transmission system for kinetic energy transmission and a braking system for braking the driving wheel.

The wheelchair frame includes: foot rest, cushion, back and equipment support, equipment support fixed mounting is in the cushion below, battery, electrical system and transmission system fixed mounting are on equipment support, the drive wheel passes through the axle and installs in wheelchair frame both sides, the stabilizer wheel passes through the axle and installs in the foot rest lower part, braking system fixed mounting is close to the handrail below on the seatpad next door.

As a further improvement of the present invention, the equipment stand comprises: backup pad, preceding guard plate and back fender rod, the backup pad is fixed in equipment support central authorities, and backup pad central authorities lean on the back position to be equipped with battery installation trench, preceding guard plate is fixed in equipment support the place ahead, and back fender rod is fixed at equipment support rear, preceding guard plate and back fender rod are equipped with the blotter in the trench as the inside protection of battery as the outer protection of battery, and the trench rear is equipped with the dismantlement installation that the opening is used for the battery.

As a further improvement of the utility model, transmission system divide into two sets of and fixed mounting backup pad both sides mutually independent operation on the equipment support, transmission system includes: motor, driving gear, chain and driven gear, two motor symmetries are installed and are close to the drive wheel position in backup pad both sides, and driving gear fixed mounting is in motor shaft, and driven gear fixed mounting is epaxial at the drive wheel, and driving gear and driven gear are connected as indirect power transmission to the chain, and the driving gear diameter is less than the driven gear diameter and plays the speed reduction effect, increase moment of torsion.

As a further improvement of the utility model, braking system adopts link mechanism fixed mounting to be close to the drive wheel outer lane position in the handrail below, braking system includes: the brake handle is movably connected to the upper surface of the brake seat, the connecting rod is hinged to two ends of the brake handle and the brake pressure rod, one end of the brake pressure rod is fixed to the brake seat, the brake damping is arranged at one end of the brake pressure rod, a user lifts the brake handle during braking, the brake handle drives the connecting rod to push the brake pressure rod to enable the brake damping to be extruded towards a driving wheel, and the brake handle enables more acting force applied to the brake handle to act on the driving wheel by utilizing the lever principle, so that the brake force is improved to achieve the effect of preventing landslide.

The utility model has the advantages that: the motor transmits power through the speed reduction function of the transmission system, so that the torque is increased, and the electric wheelchair can climb the slope more effectively; the braking system transmits braking force through a lever principle, so that the braking force is larger, and braking or parking is more effectively implemented; the protection effect on the storage battery can be improved by arranging the outer protection and the inner protection around the storage battery, so that the storage battery can work more safely and reliably.

Drawings

FIG. 1 is a perspective view of the novel electrically-driven wheelchair of the present embodiment;

FIG. 2 is a side view of the novel electrically driven wheelchair of the present embodiment;

FIG. 3 is a rear view of the novel electrically-driven wheelchair of the present embodiment;

FIG. 4 is a top view of the support plate of the present embodiment;

FIG. 5 is a front view of the transmission system of the present embodiment;

fig. 6 is a perspective view of the brake system of the present embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

Example (b):

as shown in fig. 1 to 4, the present embodiment discloses a novel electrically driven wheelchair, comprising: wheelchair frame 1, drive wheel 2, stabilizer wheel 3, battery 4, electrical system 5, transmission system 6, braking system 7, wheelchair frame 1 includes: foot rest 8, cushion 9, back 10 and equipment support 11, equipment support 11 fixed mounting is in cushion 9 below, battery 4, electrical system 5 and transmission system 6 fixed mounting are on equipment support 11, drive wheel 2 is installed in 1 both sides of wheelchair frame through the axle, the stabilizer 3 is installed in 8 lower parts of foot rest through the axle and is guaranteed the wheelchair overall balance, 7 fixed mounting of braking system is close to the handrail below on the seatpad next door, electrical system 5 includes: the controller 12 is mounted on the seat cushion 9, the handrail position is connected with the central controller 13 through a wire harness, the central controller 13 is mounted on the equipment support 11, a user applies an instruction through the controller 12, the storage battery 4 provides an energy source, the central controller 13 receives the instruction and outputs the instruction to the transmission system 6 after processing, the transmission system 6 drives the driving wheels 2 to rotate to achieve the driving purpose, and when the situation of descending slope or parking is needed, the user applies braking force to the driving wheels through the braking system 7 to achieve the purpose of speed reduction or parking.

As a preferred embodiment, the equipment stand 11 includes: backup pad 14, preceding guard plate 15 and back fender rod 16, backup pad 14 is fixed at equipment support 11 central authorities, and backup pad 14 central authorities lean on the back position to be equipped with the trench that is used for the installation of battery 4, preceding guard plate 15 is fixed in equipment support 11 the place ahead, and back fender rod 16 is fixed in equipment support 11 rear, preceding guard plate 15 and back fender rod 16 protect battery 4 to avoid foreign object direct impact as the outer protection of battery 4, and the built-in blotter 26 that is equipped with of trench prevents as the inside protection of battery 4 that battery 4 from receiving phenomenons such as extrusion, violent vibrations or droing, plays the effect of protection battery 4, and the groove rear is equipped with the dismantlement installation that the opening made things convenient for battery 4.

As preferred embodiment, transmission system 6 divide into two sets of fixed mounting and moves each other in backup pad 14 both sides on equipment support 11, transmission system 6 includes motor 17, driving gear 18, chain 19 and driven gear 20, two motor 17 symmetries are installed and are close to drive wheel 2 position in backup pad 14 both sides, driving gear 18 fixed mounting is in motor 17 pivot, driven gear 20 fixed mounting can drive wheel 2 and rotate on the drive wheel 2 is epaxial, chain 19 connects driving gear 18 and driven gear 20 and regards as indirect power transmission, motor 17 receives the signal of telecommunication and rotates, drive that drives driven gear 20 through chain 19 and rotate the realization wheelchair, driving gear 18 radius is less than driven gear 20, thereby increase the moment of torsion, promote climbing ability, it can guarantee that power transmission is stable to use chain 19 transmission, sliding friction can not appear.

As a preferred embodiment, the braking system 7 is fixedly installed below a handrail of a user and close to the outer ring of the driving wheel 2 by adopting a link mechanism, the braking system 7 comprises a braking seat 21, a braking handle 22, a connecting rod 23 and a braking pressure rod 24, the braking handle 22 is movably connected to the braking seat 21 in a labor-saving lever manner, the connecting rod 23 is hinged to two ends of the braking handle 22 and the braking pressure rod 24, one end of the braking pressure rod 24 is fixed to the braking seat 21, and the other end of the braking pressure rod is a braking damper 25, so that the user lifts the braking handle 22, the braking handle 22 drives the connecting rod 23 to push the braking pressure rod 24 to extrude the braking damper 25 to the driving wheel 2 to achieve the purpose of braking, and the link mechanism enables the user to double-applied force to act on the driving wheel 2 to achieve the purpose of lifting the braking force by adopting the lever principle.

The above description is only the preferred embodiment of the present invention, and the technical solutions of the objects of the present invention are all within the protection scope of the present invention as long as the objects are achieved by the substantially same means.

Claims

1. A novel electric drive formula wheelchair which characterized in that: wheelchair frame (1), drive wheel (2), stabilizer (3), battery (4), electrical system (5), transmission system (6), braking system (7), wheelchair frame (1) includes: foot rest (8), cushion (9), back (10) and equipment support (11), equipment support (11) fixed mounting is in cushion (9) below, battery (4), electrical system (5) and transmission system (6) fixed mounting are on equipment support (11), drive wheel (2) are installed in wheelchair frame (1) both sides through the axle, stabilizer (3) are installed in foot rest (8) lower part through the axle, braking system (7) fixed mounting is close to the handrail below on the seatpad next door, electrical system (5) include: the manipulator (12) is installed on the seat cushion (9) and the armrest position is connected with the central controller (13) through a wire harness, and the central controller (13) is installed on the equipment support (11).

2. The new electrically driven wheelchair as claimed in claim 1, wherein: the equipment stand (11) comprises: backup pad (14), preceding guard plate (15), blotter (26) and back fender rod (16), backup pad (14) are fixed in equipment support (11) central authorities, and backup pad (14) central authorities are equipped with the trench that is used for battery (4) installation by the back position, preceding guard plate (15) are fixed in equipment support (11) the place ahead, and back fender rod (16) are fixed at equipment support (11) rear, preceding guard plate (15) and back fender rod (16) are as the outer protection of battery (4), are equipped with in the trench and are equipped with blotter (26) as the interior protection of battery (4), and the trench rear is equipped with the dismantlement and the installation that the opening is used for battery (4).

3. The new electrically driven wheelchair as claimed in claim 1, wherein: the transmission system (6) is divided into two groups and is fixedly arranged on the equipment support (11) and the two sides of the support plate (14) run independently.

4. A new electrically driven wheelchair in accordance with claim 3, wherein: the transmission system (6) comprises: motor (17), driving gear (18), chain (19) and driven gear (20), two motor (17) symmetry are installed and are close to drive wheel (2) position in backup pad (14) both sides, and driving gear (18) fixed mounting is epaxial in motor (17) pivot, and driven gear (20) fixed mounting is epaxial at drive wheel (2), and driving gear (18) and driven gear (20) are connected as indirect power transmission in chain (19).

5. The new electrically driven wheelchair as claimed in claim 1, wherein: and the braking system (7) is fixedly arranged below the handrail at a position close to the outer ring of the driving wheel (2) by adopting a link mechanism.

6. The new electrically driven wheelchair as claimed in claim 5, wherein: the braking system (7) comprises: brake seat (21), brake handle (22), connecting rod (23), brake depression bar (24) and brake damping (25), brake handle (22) are through swing joint on brake seat (21), connecting rod (23) hinge joint is in brake handle (22) and brake depression bar (24) both ends, brake depression bar (24) one end is fixed on brake seat (21), one end is equipped with brake damping (25), user lifts up brake handle (22) during braking, brake handle (22) drive connecting rod (23) promote brake depression bar (24) make brake damping (25) to drive wheel (2) extrusion.