CN202490112U - A portable folding electric wheelchair - Google Patents

Abstract

The utility model discloses a portable foldable electric wheelchair, including foldable chassis, seat frame, including a motor, an end cap, a controller, and a cover plate, a lithium battery, directional control platform, seat, drive wheel, wherein foldable chassis is by back frame, the chassis folding leg is constituteed, the motor is installed on the frame of back, the drive wheel is located back frame both sides and links to each other with the motor drive axle through the belt, the seat frame is installed on foldable chassis through folding support frame, install the seat on the seat frame, directional control platform is located the seat left side, the back has been accepted at the seat rear portion, the handrail is installed to back middle part both sides, the lithium battery is installed at the. The utility model discloses chassis and seat frame adopt the folding mode of components of a whole that can function independently for foldable design, can fold the wheelchair through simple manual operation, and folding back small in size after the partition is torn open is convenient for put into the car and is carried, makes things convenient for disabled person's use.

Description

A portable folding electric wheelchair

technical field

The utility model relates to a wheelchair used by disabled people, in particular to a portable folding electric wheelchair.

Background technique

The wheelchair is an important tool for rehabilitation. It is not only a means of transportation for the physically disabled, but more importantly, it enables them to perform physical exercises and participate in social activities with the help of wheelchairs. Wheelchairs provide great convenience for these users. Now some wheelchairs have been driven by motors, which is more convenient for the disabled. However, electric wheelchairs are generally large in size and occupy a large space. At the same time, it is inconvenient to purchase and transport. There are several foldable electric wheelchairs on the market. At present, most of them are only folded left and right. The volume is still very large, so it will cause difficulties in handling and carrying, and it is not easy to apply force, which is quite inconvenient to carry. It will form a very large burden for those who have to go out often and are inconvenient to move. At present, there are two or three types of folding electric wheelchairs that can be folded into the size of a suitcase on the market, but their biggest disadvantage is that the assembly process is quite complicated and time-consuming. Before each use and recovery process, it must go through a rather tedious process. A step of.

For example, the invention of Patent No. 200810204485.0 provides an electric folding wheelchair, which adopts an X-shaped folding mechanism under the base to fold left and right, but the sequential method is only to reduce the width, and the height direction and the length direction cannot be reduced, so folding The submission volume is limited in compression and is inconvenient to carry.

Contents of the invention

Aiming at the above-mentioned technical defects, the utility model provides a portable folding electric wheelchair that can be folded and can be folded to achieve small volume and easy carrying without using dismantling tools.

The technical scheme of the utility model is: a portable folding electric wheelchair, including a folding chassis, a seat frame, a motor, a lithium battery, a steering console, a seat, and a driving wheel, wherein the folding chassis is composed of a rear frame, a chassis Composed of folding frames, the motor is installed on the rear frame, the driving wheels are located on both sides of the rear frame and connected to the motor drive shaft through a belt, the seat frame is installed on the folding chassis, the seat is installed on the seat frame, and the direction control The platform is located on the left side of the seat, the back of the seat is connected with a backrest, armrests are installed on both sides of the middle of the backrest, and the lithium battery is installed on the back of the backrest.

The bottom of the rear frame includes a cross-shaped underframe composed of a cross bar and a vertical bar, wherein two ends of the cross bar are respectively connected with a casing column, and a pulley is installed on the outside of the casing column, and the connection between the horizontal bar and the vertical bar A fixed column is installed at the intersection. A telescopic rod is installed at the front end of the vertical rod, and a supporting column is installed at the top of the telescopic rod.

The chassis folding frame is an X-shaped cross frame connected by two "V"-shaped folding rods with rotating shafts. One end of the folding rod is fixed on the fixed column, and the other end is equipped with the front wheel. A casing is provided at the part of the utility model, and the intersection of the two folding rods is movably fixed on the support column.

There are four supporting feet installed through the rotating shaft under the seat frame. The supporting legs are folded inward and placed on the back of the seat frame. An intubation tube is fixed on each supporting leg, and the intubation tube matches the sleeve tube. The seat frame is fixed to the chassis folding frame in the sleeve. There is a folding support frame between the front two supporting feet, the folding supporting frame is perpendicular to the supporting feet, and the folding supporting frame is hinged with a foot pedal that can be turned over.

A backrest adjusting piece is installed at the joint between the seat and the backrest, and the inclination angle of the joint can be changed by adjusting the backrest, and the backrest can also be folded forward simultaneously.

A rocking type direction bar is installed on the direction console, and the direction bar can control the operation of the motor.

Described driving wheel is 8.5 cun air-free tires.

The lithium battery is installed on the back of the backrest, and the battery provides sufficient energy for the electric wheelchair, so that the electric wheelchair can travel for a long distance.

The beneficial effects of the utility model are:

The chassis and seat frame of this portable folding electric wheelchair are foldable design. The wheelchair can be folded up through simple manual operation without using disassembly tools. , or can effectively save space when not in use. At the same time, the wheelchair can be driven forward through the direction console, without the need to push it by hand, which realizes humanized design and is convenient for the disabled to use.

Description of drawings

Fig. 1 is a structural schematic diagram of the portable folding electric wheelchair described in the present invention.

Fig. 2 is a schematic structural view of the seat frame of the portable folding electric wheelchair according to the present invention.

Fig. 3 is a structural schematic diagram of the foldable chassis of the portable foldable electric wheelchair of the present invention.

In the figure 1-folding chassis, 2-seat frame, 3-motor, 4-lithium battery, 5-direction console, 6-seat, 7-driving wheel, 8-rear frame, 9-chassis folding frame , 10-horizontal rod, 11-vertical rod, 12-casing column, 13-belt pulley, 14-fixed column, 15-telescopic rod, 16-supporting column, 17-folding rod, 18-front wheel, 19-supporting foot , 20-sleeve, 21-folding support frame, 22-pedal, 23-backrest, 24-belt, 25-armrest, 26-backrest adjustment piece, 27-intubation tube, 28-direction rod.

Detailed ways

The specific embodiment of the utility model will be further described below in conjunction with accompanying drawing:

As shown in Figure 1, Figure 2, and Figure 3, a portable folding electric wheelchair includes a folding chassis 1, a seat frame 2, a motor 3, a lithium battery 4, a direction console 5, a seat 6, and a driving wheel 7. The folding chassis 1 is composed of a rear frame 8 and a chassis folding frame 9. The rear frame 8 includes a cross-bar 10 and a vertical bar 11. The cross-bar 11 is composed of a cross-bar. Casing column 12, casing column 12 is perpendicular to cross bar 10 and belt pulley 13 is installed on the outside, and cross bar 10 and vertical bar 11 have a fixed column 14, are used for fixing chassis folding frame 9. A telescopic rod 15 is installed at the front end of the vertical rod 11, and a support column 16 is installed on the top of the telescopic rod 15. Seat 6 is installed on the seat frame 2, direction console 5 is positioned at seat 6 left side, and rocking type direction bar 28 is installed on the direction console 5, and this direction bar 28 can control the operation of motor 3. The seat 6 rear portion is provided with a backrest 23, and armrests 25 are installed on both sides of the middle part of the backrest 23. Seat 6 and backrest 23 junctions are equipped with backrest adjustment piece 26, change section inclination angle by adjusting backrest adjustment piece 26, backrest 23 also can be folded forward simultaneously. Lithium battery 4 is installed in the back of backrest 23, and battery provides sufficient energy for described electric wheelchair, to realize long-distance driving.

There are four supporting legs 19 installed by the rotating shaft under the seat frame 2. The supporting legs 19 can be folded inwardly and placed on the seat frame 2 backs. The bushing post 12 on the rod 10 matches the bushing 20 on the rotating shaft. When in use, the intubation tube 27 is inserted into the bushing 20 and the bushing post 12 respectively, so that the seat frame 2 is fixed on the folding chassis 1 superior. There is a folding support frame 21 between the front two supporting feet 19, the folding supporting frame 21 is perpendicular to the supporting feet 19, and the folding supporting frame 21 is hinged with a pedal 22 that can be turned over.

As shown in Figures 1 and 3, the chassis folding frame 9 is an X-shaped cross frame connected by two "V"-shaped folding rods 17 with a rotating shaft, and the rotating shaft can make the folding rods 17 freely bend and deform , one end of the folding rod 17 is fixed on the fixed column 14, the other end is equipped with the front wheel 18, and is provided with a sleeve 20 near the end point, and the intersection of the two folding rods 17 is movably fixed on the supporting column 16. When folded, the rotating shaft bends inward and retracts, and under the action of the inward thrust, the fixed column 14 pushes the telescopic rod 15 to shrink through the intersection point, and the folding rod 17 drives the front wheel 18 to move inward and close to the driving wheel 7 . Motor 3 is installed on the rear vehicle frame 8, and driving wheel 7 is positioned at rear vehicle frame both sides and links to each other with motor 3 driving shafts by belt 24, and belt 24 passes the belt pulley 13 on the driving shaft of motor 3 and casing column 12, and then Connect with the rotating shaft of drive wheel 7, drive the advance of drive wheel 7 by motor 3, drive wheel 7 uses 8.5 cun air-free tires, uses air-free tires to prevent the inconvenience to the user due to tire leakage.

Embodiment: When folding is required, the seat frame 2 is removed, and the four supporting legs 19 of the seat frame 2 are folded inwards against the back of the seat frame, and the pedals 22 are turned upward so that the top is close to the folded support frame 21, the backrest can also be folded forward and superimposed in parallel with the seat 6 simultaneously. Push the folding rod 17 of the folding chassis 1 inward to bend the rotating shaft, and the fixed column 14 pushes the telescopic rod 15 to shrink through the intersection point, and at the same time, the folding rod 17 drives the front wheel 18 to move inward and close to the driving wheel 7, The folding of the folding chassis 1 is completed. After being folded, the utility model is divided into two parts, and the volume becomes one-third of the original volume, which is convenient to be put into a car and carried. When in use, the folded part is opened and fixed to be assembled into a wheelchair. The utility model has a reasonable design, and the wheelchair can be folded through simple manual operation, and the folded volume is small and exquisite, and after being disassembled and folded, the wheelchair is convenient to be carried in a car and used.

Claims (7)

1. A portable foldable electric wheelchair, comprising a foldable chassis, a seat frame, a motor, a lithium battery, a steering console, a seat, and a driving wheel, is characterized in that: the foldable chassis is composed of a rear frame, a chassis Composed of folding frames, the motor is installed on the rear frame, the driving wheels are located on both sides of the rear frame and connected to the motor drive shaft through a belt, the seat frame is installed on the folding chassis, the seat is installed on the seat frame, and the direction control The platform is located on the left side of the seat, the back of the seat is connected with a backrest, armrests are installed on both sides of the middle of the backrest, and the lithium battery is installed on the back of the backrest. 2. The portable folding electric wheelchair according to claim 1, characterized in that: the bottom of the rear frame includes a cross-bar and a vertical bar to form a criss-cross chassis, each end of the bar is connected to a The sleeve column is equipped with a belt pulley on the outside of the casing column, a fixed column is installed at the intersection of the cross bar and the vertical bar, a telescopic rod is installed at the front end of the vertical rod, and a support column is installed at the top of the telescopic rod. 3. The portable folding electric wheelchair according to claim 1 or 2, characterized in that: the chassis folding frame is an X-shaped cross frame connected by two "V"-shaped folding rods with rotating shafts, One end of the folding rod is fixed on the fixed column, the other end is equipped with the front wheel, and a sleeve is provided near the end point, and the intersection of the two folding rods is movably fixed on the supporting column. 4. The portable folding electric wheelchair according to claim 1, characterized in that: under the seat frame, there are four supporting feet installed through the rotating shaft, the supporting feet can be folded inward and placed on the back of the seat frame, An intubation tube is fixed on each supporting foot, a folding supporting frame is arranged between the two supporting feet in front, the folding supporting frame is perpendicular to the two supporting feet, and a foot pedal capable of turning over is hinged on the folding supporting frame. 5. The portable folding electric wheelchair according to claim 1, characterized in that: said direction console is equipped with a rocking direction bar. 6. The portable folding electric wheelchair according to claim 1, characterized in that: said driving wheels are 8.5-inch non-inflatable tires. 7. The portable folding electric wheelchair according to claim 1, characterized in that: a backrest adjustment piece is installed at the joint between the seat and the backrest.

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