CN215689211U

CN215689211U - Novel telescopic electric wheelchair

Info

Publication number: CN215689211U
Application number: CN202121407180.7U
Authority: CN
Inventors: 刘占河
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-02-01
Anticipated expiration: 2031-06-23

Abstract

The utility model discloses a novel telescopic electric wheelchair, which comprises a wheelchair body, an adjustable storage battery box, an electric push cylinder, a storage basket, a lock catch, a supporting vertical beam, a rear wheel cross beam, a supporting cross beam, a swing arm support, a swing arm, a clamping groove, a supporting clamping pipe, a box body, a fixed bottom plate, a sliding bottom plate, a slide way, a pressing plate, a first supporting arm, a second supporting arm, a pedal plate supporting frame, a baffle, a seat, a supporting shaft clamping seat, a safety belt, an electric hub, an outer ring hub, a hand push wheel and a supporting steel pipe, wherein the adjustable storage battery box is arranged in the wheelchair body; the manufacturing cost and the noise are reduced, and the cruising ability and the use comfort of the electric wheelchair are greatly improved.

Description

Novel telescopic electric wheelchair

Technical Field

The utility model belongs to the technical field of electric wheelchairs, and particularly relates to a novel telescopic electric wheelchair.

Background

The electric wheelchair sold in the market at present generally has the speed of 6 kilometers per hour and the cruising ability of 12 kilometers, and cannot meet the travel requirements of disabled people or people with diseases in legs and feet.

The Ukay over-the-road electric wheelchair in Germany is the most advanced electric wheelchair sold in the modern market, the speed of the electric wheelchair reaches 13 kilometers, if a 75AH lithium battery is configured, the cruising ability is 45 kilometers, and if a 100AH lithium battery is configured, the cruising ability can reach 65 kilometers, thereby being greatly helpful for the disabled to go out. However, the electric wheelchair cannot rotate 360 degrees in situ, cannot be used in a room, can only be used for shopping, cannot be used indoors, cannot be used as a real electric wheelchair, is expensive, and has low sales volume all the time in the market.

A national golden lily electric locomotive does not belong to an electric wheelchair. It is used to tow a manual wheelchair. Its speed per hour reaches 25 km. Because of its high speed, it is popular with disabled people. However, since it is limited by its structure to be equipped with only a 10AH lithium battery, the endurance is insufficient.

The speed of a telescopic electric wheelchair (patent number ZL201920231742.3) invented by the inventor reaches 25 kilometers per hour, a 20AH lithium battery is arranged in the telescopic electric wheelchair, the cruising ability is 40 kilometers, and the telescopic electric wheelchair can meet the requirement of short-distance travel among disabled people. But can not meet the requirement of the disabled on long-distance travel. In addition, the rear wheel extension land driving device adopts mechanisms such as a turbine speed reducer, a push-pull rod and the like, so that the noise is high when the rear wheel extension land driving device is used, the noise pollution is brought to the surrounding environment, and other people are influenced; the manufacturing cost is higher, thereby increasing the selling price of the electric wheelchair.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a novel telescopic electric wheelchair, which solves the problems of insufficient cruising ability and high noise cost of a driving device for extending a rear wheel.

In order to achieve the above purpose, the utility model provides the following technical scheme: a novel telescopic electric wheelchair comprises a wheelchair body, wherein the wheelchair body comprises an adjustable storage battery box and a rear wheel extension device, the adjustable storage battery box can be provided with lithium batteries with different capacities such as 10AH, 15AH, 20AH, 25AH, 35AH, 40AH, 55AH, 63AH, 75AH and the like, and the rear wheel extension device comprises:

the bottom of each supporting vertical beam is fixedly connected with the bottom of the wheelchair body;

a rear wheel cross member;

the two swing arm supports are fixedly arranged on two sides of the wheelchair body respectively;

the two ends of the supporting cross beam are respectively and fixedly connected with the two swing arm supports, and the supporting cross beam is arranged above the rear wheel cross beam;

one end of the swing arm is fixedly connected with the rear wheel cross beam, and the other end of the swing arm is hinged with the swing arm support;

one end of the electric push cylinder is hinged to the supporting vertical beam, and one end of an electric push rod on the electric push cylinder is hinged to the rear wheel cross beam;

the supporting clamp pipe is fixedly connected to the swing arm, two clamping grooves are formed in two sides of the bottom of the swing arm support, and the supporting clamp pipe can be clamped into the clamping grooves.

Furthermore, the swing arm is fixedly connected with the rear wheel cross beam through a bolt.

Further, the wheelchair body includes an adjustable battery box, the adjustable battery box includes:

the box, box both sides inside is provided with the slide respectively.

The fixed base plate is fixedly installed at one end inside the box body, and a first supporting arm is vertically connected to the top of the fixed base plate.

The sliding bottom plate is connected with the two sides of the box body in a sliding mode, and the top of the sliding bottom plate is connected with a second supporting arm in a sliding mode; and

the pressing plate is provided with a plurality of adjusting screw holes, and two ends of the pressing plate are fixedly connected with the first supporting arm and the second supporting arm through bolts respectively.

Furthermore, the adjustable battery box is fixedly arranged at the rear end of the wheelchair body.

Further, the box top is provided with a storage basket, the rear side of the bottom of the storage basket is hinged to the rear side of the top of the box, and the left side and the right side of the bottom of the storage basket are connected with the left side and the right side of the top of the box through lock catches.

Furthermore, the wheelchair body comprises foldable pedals, each foldable pedal comprises two pedals arranged at the front end of the wheelchair body, and the bottom of each pedal is fixedly connected with the front end of the wheelchair body through a pedal support frame in a hinged mode.

Furthermore, the top of the pedal plate is provided with a surrounding baffle at the position of the heel and the side edge of the foot of the human body.

Furthermore, the front end of the wheelchair body is connected with a detachable child seat, the child seat comprises a seat, the seat is connected with the wheelchair frame at the front end of the wheelchair body through bolts, a support shaft is fixedly connected to the bottom of the seat, and a support shaft clamping seat is fixedly connected to the pedal support frame.

Furthermore, a safety belt is arranged on the child seat.

Further, the wheelchair body includes electronic manual dual-purpose wheel, electronic manual dual-purpose wheel includes electronic wheel hub and outer loop wheel hub, electronic wheel hub through support the steel pipe with outer loop wheel hub is fixed, outer loop wheel hub lateral wall fixedly connected with hand push wheel.

Due to the technical characteristics, the utility model has the following advantages:

1. the electric pushing cylinder is used for driving, so that the manufacturing cost is reduced, the noise is low when the electric pushing cylinder is used, the noise pollution to the surrounding environment is avoided, and the use comfort of a user is improved.

2. The adjustable battery box can be used for placing batteries with different electric quantities, can be selected at will as required, not only improves the flexibility of use but also can be configured with a large-capacity storage battery, thereby greatly improving the cruising ability of the electric wheelchair and meeting the requirement of long-distance travel of the disabled.

3. The swing arm passes through bolt and rear wheel crossbeam fixed connection, improves the stability of connecting.

4. The storage basket is convenient for a user to place articles.

5. The foldable pedals are convenient for a user to get on or off the wheelchair, and when the user gets on the wheelchair, the pedals are folded towards two sides, so that the user can conveniently and smoothly sit on the wheelchair, and the pedals are put down to place two feet after the user sits on the wheelchair.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic diagram of the overall structure provided by an embodiment of the present invention;

FIG. 2 is a schematic diagram of a rear wheel extension apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a top view of an adjustable battery box according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a side view cross-sectional structure of an adjustable battery box according to an embodiment of the present invention;

FIG. 5 is a schematic view of a basket mounting arrangement according to an embodiment of the present invention;

FIG. 6 is a schematic view of a foldable footrest configuration provided by an embodiment of the present invention;

FIG. 7 is a schematic side view of a child seat according to an embodiment of the present invention;

FIG. 8 is a schematic front view of a child seat according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a dual-purpose electric and manual wheel provided by the embodiment of the utility model.

In the figure: the wheelchair comprises a wheelchair body 1, a storage basket 2, a lock catch 21, a vertical beam 31, a rear wheel beam 32, a supporting beam 33, a swing arm 34, a clamping groove 35, a supporting clamping pipe 36, an electric pushing cylinder 37, a swing arm support 38, an electric pushing rod 39, a box body 4, a fixed bottom plate 41, a sliding bottom plate 42, a slide rail 43, a pressing plate 44, a first supporting arm 45, a second supporting arm 46, a pedal plate 5, a pedal plate supporting frame 51, a surrounding baffle 52, a seat 62, a supporting shaft 63, a supporting shaft clamping seat 64, a safety belt 65, an electric hub 71, an outer ring hub 72, a hand-push wheel 73 and a supporting steel bar 74.

Detailed Description

The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and the detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, a novel telescopic electric wheelchair according to an embodiment 1 of the present invention includes a wheelchair body 1, the wheelchair body includes a rear wheel extension device, and the rear wheel extension device includes:

a support vertical beam 31, and the bottom of the support vertical beam 31 is fixedly connected with the bottom of the wheelchair body 1.

A rear wheel cross member 32; the two ends of the supporting beam 33 are respectively and fixedly connected with the two sides of the swing arm bracket 38, and the supporting beam 33 is arranged above the rear wheel beam 32; one end of the swing arm 34 is fixedly connected with the rear wheel cross beam 32, and the other end of the swing arm 34 is hinged with a swing arm support 38; the rear part of the electric push cylinder 37 is hinged on the supporting vertical beam 31; the electric push rod 39 is hinged on the rear wheel cross beam 32, supports the clamping tube 36, the supporting clamping tube 36 is fixedly connected on the swing arm 34, two clamping grooves 35 are respectively formed in the bottoms of the two side walls of the swing arm support, the two clamping grooves 35 are respectively arranged on the two sides of the swing arm 34, and the supporting clamping tube 36 can be clamped in the clamping grooves 35.

When the wheelchair is used, a power supply is switched on, the reset switch controls the electric push rod to stretch, and when the wheelchair is stretched, the rear wheel beam is pushed towards the rear end of the wheelchair body, so that the supporting clamp tube 36 on the swing arm is clamped into the clamping groove 35 at the back, and the extension of the wheelchair is realized; when the wheelchair contracts, the electric push rod pulls the rear wheel cross beam to the front end of the wheelchair body, so that the supporting clamping pipe 36 on the swing arm is clamped into the clamping groove 35 in the front, and the wheelchair contracts.

With continued reference to fig. 2, the swing arm 34 is fixedly connected to the rear wheel cross member 32 by bolts.

Referring to fig. 3 and 4, the wheelchair body 1 includes an adjustable battery box, and the adjustable battery box includes:

the box body 4, the insides of both sides of the box body 4 are respectively provided with a slideway 43; the fixed bottom plate 41 is fixedly arranged at one end inside the box body 4, and the top of the fixed bottom plate 41 is vertically connected with a first supporting arm 45; the sliding bottom plate 42 is connected with the slide ways 43 on the two sides of the box body 4 in a sliding manner, and the top of the sliding bottom plate 42 is connected with a second supporting arm 46 in a sliding manner; and the pressure plate 44 is provided with a plurality of adjusting screw holes, and two ends of the pressure plate 44 are respectively fixedly connected with the first supporting arm 45 and the second supporting arm 46 through bolts. The adjustable battery box is fixedly arranged at the rear end of the wheelchair body 1.

The adjustable battery box can be used for placing batteries with different electric quantities, can be selected at will according to needs, and improves the use flexibility. During the use, demolish the bolt, according to the size of battery volume, adjustment sliding bottom makes the battery place between first support arm and second support arm, then presses the clamp plate at the battery top, and the bolt is installed back again and is fixed.

Referring to fig. 5, a basket 2 is disposed on the top of the box 4, the bottom of the rear side of the basket 2 is hinged to the rear side of the top of the box 4, and the left and right sides of the bottom of the basket 2 are connected to the left and right sides of the top of the box 4 through latches 21.

The user can place articles conveniently.

Referring to fig. 6, the wheelchair body 1 includes a foldable pedal, the foldable pedal includes two pedals 5 disposed at the front end of the wheelchair body 1, the bottom of each pedal 5 is fixedly connected to the front end of the wheelchair body 1 by hinging a pedal support frame 51, and a barrier 52 is disposed at the top of each pedal 5 at the heel and the side of the foot of the human body. The foldable pedal plate is convenient for a user to get on or off the wheelchair, when the user gets on the wheelchair, the pedal plate is turned over towards two sides, the user can conveniently and smoothly sit on the wheelchair, and after the user sits on the wheelchair, the pedal plate is put down to place two feet.

Referring to fig. 7 and 8, a detachable child seat is connected to the front end of the wheelchair body 1, the child seat includes a seat 62, the seat 62 is connected to the wheelchair frame at the front end of the wheelchair body 1 through bolts, a support shaft 63 is fixedly connected to the bottom of the seat 62, a support shaft seat 64 is fixedly connected to each of the footrest support frames 51, and a safety belt 65 is disposed on the child seat.

Referring to fig. 9, the wheelchair body 1 includes a dual-purpose electric/manual wheel, the dual-purpose electric/manual wheel includes an electric hub 71 and an outer ring hub 72, the electric hub 71 is fixed to the outer ring hub 72 through a support steel pipe 74, and a hand push wheel 73 is fixedly connected to a side wall of the outer ring hub 72.

The utility model is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.

Claims

1. The utility model provides a novel telescopic electronic wheelchair, its characterized in that, including the wheelchair body, the wheelchair body includes rear wheel extension device, rear wheel extension device includes:

a rear wheel cross member;

2. The novel telescopic electric wheelchair as claimed in claim 1, wherein the swing arm is fixedly connected with the rear wheel cross member through bolts.

3. The new and improved electric wheelchair as claimed in claim 1, wherein said wheelchair body includes an adjustable battery compartment, said adjustable battery compartment comprising:

the box body is internally provided with slideways at two sides respectively;

the fixed bottom plate is fixedly arranged at one end inside the box body, and the top of the fixed bottom plate is vertically connected with a first supporting arm;

the sliding bottom plate is connected with the slideways on the two sides of the box body in a sliding manner, and the top of the sliding bottom plate is connected with a second supporting arm in a sliding manner; and

4. The novel telescopic electric wheelchair as claimed in claim 3, wherein the adjustable battery box is fixedly mounted at the rear end of the wheelchair body.

5. The novel telescopic electric wheelchair as claimed in claim 4, wherein a basket is arranged on the top of the box body, the rear side of the bottom of the basket is hinged to the rear side of the top of the box body, and the left side and the right side of the bottom of the basket are connected with the left side and the right side of the top of the box body through lock catches.

6. The novel telescopic electric wheelchair as claimed in claim 1, wherein the wheelchair body comprises foldable pedals, the foldable pedals comprise two pedals arranged at the front end of the wheelchair body, and the bottom of each pedal is fixedly connected with the front end of the wheelchair body through a hinged pedal support frame.

7. The novel telescopic electric wheelchair as claimed in claim 6, wherein a barrier is arranged at the position of the top of the pedal plate at the heel and the side edge of the human body.

8. The novel telescopic electric wheelchair as claimed in claim 6, wherein a detachable child seat is connected to the front end of the wheelchair body, the child seat comprises a seat, the seat is connected with the wheelchair frame at the front end of the wheelchair body through bolts, support shafts are respectively and fixedly connected to two sides of the seat, and each pedal support frame is fixedly connected with a support shaft clamping seat.

9. The new telescopic electric wheelchair as claimed in claim 8, wherein a safety belt is provided on the child seat.

10. The novel telescopic electric wheelchair as claimed in claim 1, wherein the wheelchair body comprises an electric and manual dual-purpose wheel, the electric and manual dual-purpose wheel comprises an electric hub and an outer ring hub, the electric hub is fixed with the outer ring hub through a support steel pipe, and a hand push wheel is fixedly connected to the side wall of the outer ring hub.