CN107184326A - A kind of multi-purpose folding electric wheelchair - Google Patents

Abstract

The invention discloses a multipurpose folding electric wheelchair, which comprises a front drive module, a seat module and a rear wheel support module. The left and right folding chair surfaces are connected by a flexible connecting plate, the seat module is connected with the front drive module and the rear wheel support module through the seat surface support rod, and the rear wheel support module is composed of the support column connecting rod, the support column and the rear wheel It consists of a rear wheel at the bottom of the support column. The present invention is equipped with a foldable structure, a rotatable structure, and a movable slide rail in order to realize the maximum optimization of space occupation after folding in the two directions of seat depth and seat width; the stability is good during use, the foldable structure is easy to operate, and the foldable It occupies a small space and is easy to carry when traveling; in the context of the aging society, it is suitable for various use environments such as home use and travel, and brings convenience to the disabled.

Description

A multi-purpose folding electric wheelchair

technical field

The invention relates to a wheelchair, in particular to a multipurpose folding electric wheelchair.

Background technique

Against the backdrop of an increasingly aging society, safe and portable travel tools are rare for the disabled, making them inconvenient or even unwilling to travel. The gap between the lack of mobility tools for the disabled and their huge demand The contradiction is particularly obvious. As far as the current wheelchairs for the disabled are concerned, they are generally only used in the home environment of the disabled, and most of them can only be folded in one direction. However, due to the lack of consideration of the portability of weight and volume in the travel environment or insufficient optimization of the lightweight design, it cannot Applicable to the actual needs of the disabled in a variety of use environments.

Contents of the invention

Aiming at the problems existing in the above-mentioned prior art, the present invention provides a multi-purpose folding electric wheelchair, which can be folded and is convenient to fold, takes up little space after folding, and is suitable for various use environments such as home use and travel.

In order to achieve the above object, the technical solution adopted by the present invention is: a multi-purpose folding electric wheelchair, including a front drive module, a seat module and a rear wheel support module;

The front drive module is divided into two front drive shells, the bottom of the front drive shell is equipped with front wheels, the inner side of the front drive shell is provided with slide rails, and sliding members are arranged in the slide rails. One end of the telescopic rod is connected to the front drive housing through the slideway opened inside the front drive housing, and the other end of the telescopic rod is connected to the back rod. There is a cushion between the left and right back rods. There is a battery pack and a driving component, the battery pack is electrically connected to the driving component, and the driving component is connected to the front wheel;

The seat module is divided into left and right folding chair surfaces, which are connected by a flexible connecting plate. Right seat support rod, the inner end of the left seat support rod is hinged with the inner end of the right seat support rod, and the outer ends of the front left seat support rod and the front right seat support rod are rotated through the front seat respectively The shaft is hinged with the load-bearing member, the load-bearing member is connected with the left and right front drive shells through the sliding member, and the rear seat surface rotation shaft is provided at the outer end of the rear left seat support rod and the rear right seat support rod;

The rear wheel support module is composed of a support column connecting rod, a support column and a rear wheel. The bottom end of the support column is provided with a rear wheel, and the top of the support column is provided with a support rotation shaft. One end of the support column is connected with the middle part of the front side of the support column, the other end of the support column connecting rod is hinged with the sliding member, and the middle part of the support column connecting rod is provided with a hinge point.

Compared with the prior art, the present invention is equipped with foldable structures, rotatable structures, and movable slide rails in multiple parts to realize the maximum optimization of space occupation after folding in the two directions of sitting depth and sitting width; good stability during use, The folding structure is easy to operate, occupies a small space after folding, and is easy to carry when traveling; in the context of the aging society, it is suitable for various use environments such as home use and travel, and brings convenience to the disabled.

Description of drawings

Fig. 1 is a schematic diagram of the present invention's unfolded front view state;

Fig. 2 is a schematic diagram of folding the seat surface of the present invention;

Fig. 3 is a schematic diagram of the front view state when the seat surface slides down in the present invention;

Fig. 4 is a schematic diagram of the state of the present invention after sliding down;

Fig. 5 is a schematic diagram of the front view state after the folding of the present invention is completed;

Fig. 6 is a schematic diagram of the present invention after the folding is completed;

In the figure: 1. Front drive module, 1-1. Operating rod, 1-2. Telescopic backrest, 1-2-1. Telescopic rod, 1-2-2. Backrest rod, 1-3. Cushion, 1-3- 1. Cover bag, 1-3-2. Zipper, 1-3-3. Cover, 1-4. Front drive housing, 1-4-1. Slide member, 1-4-2. Slide rail, 1-4 -3. Folding pedals, 1-5. Front wheels, 1-6. Balance bike pedals, 1-7. Battery pack, 1-8. Drive components, 1-9. Seat belts, 2. Seat module, 2 -1. Folding seat surface, 2-1-1. Left seat support bar, 2-1-2. Right seat support bar, 2-2. Chair buckle handle, 2-3. Flexible connecting plate, 2- 4. Load-bearing components, 2-4-1. Front seat rotation shaft, 2-4-2. Rear seat rotation shaft, 3. Rear wheel support module, 3-1. Support rotation shaft, 3-2. Support column Connecting rod, 3-3. Support column, 3-4. Rear wheel.

detailed description

The present invention will be further described below in conjunction with accompanying drawing.

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in Figures 1 and 2, the present invention includes a front drive module 1, a seat module 2 and a rear wheel support module 3;

The front drive module 1 is divided into two front drive shells 1-4 on the left and right. Front wheels 1-5 are arranged at the bottom of the front drive shell 1-4. Slide rails 1-4-2 are provided on the inner side of the front drive shell 1-4. Slide rails 1-4 -2 The whole is an inclined longitudinal track, and there is a part of the horizontal track on the upper part, and the sliding member 1-4-1 is arranged in the sliding rail 1-4-2, and the sliding member 1-4-1 can be placed in the sliding rail 1-4-2 Sliding, front drive housing 1-4 rear side top is provided with telescopic backrest 1-2, telescopic backrest 1-2 is made up of telescopic rod 1-2-1 and backrest rod 1-2-2, one end of telescopic rod 1-2-1 The slideway offered inside the front drive shell 1-4 is connected with the front drive shell 1-4, and the telescopic link 1-2-1 can be stretched inside and outside in the slideway on the top of the front drive shell 1-4, and the other of the telescopic link 1-2-1 One end is connected to the backrest bar 1-2-2, a cushion 1-3 is provided between the left and right backrest bars 1-2-2, and a battery pack 1-7 and a drive assembly 1 are provided in the front drive housing 1-4 on one side -8, the battery pack 1-7 is electrically connected to the drive assembly 1-8, and the drive assembly 1-8 is connected to the front wheel 1-5;

The seat module 2 is divided into two left and right folding chair surfaces 2-1, the left and right folding chair surfaces 2-1 are connected by a flexible connecting plate 2-3, and the front and rear ends of the left folding chair surface 2-1 are respectively provided with left chair surfaces Support rod 2-1-1, the front and rear ends of the right folding chair surface 2-1 are respectively provided with the right chair surface support rod 2-1-2, and the inner end of the left chair surface support rod 2-1-1 is connected with the right seat surface. The inner end of the support bar 2-1-2 is hinged, and the outer ends of the front left seat support bar 2-1-1 and the front right seat support bar 2-1-2 pass through the front seat rotating shaft 2-4 respectively. -1 is hinged with the load-bearing member 2-4, the load-bearing member 2-4 is connected with the left and right front drive shells 1-4 through the sliding member 1-4-1, the rear left seat surface support rod 2-1-1 and the rear right seat surface support rod The outer end of 2-1-2 is provided with a rear seat surface rotating shaft 2-4-2, and the left and right folding seat surfaces 2-1 can be folded upwards until the backs of the two are completely attached;

Rear wheel support module 3 is made up of support column connecting rod 3-2, support column 3-3 and rear wheel 3-4, and support column 3-3 bottom is provided with rear wheel 3-4, and support column 3-3 top is provided with Support the rotating shaft 3-1, the supporting rotating shaft 3-1 is connected with the rear seat surface rotating shaft 2-4-2, one end of the supporting column connecting rod 3-2 is connected with the middle part of the front side of the supporting column 3-3, and the supporting column is connected The other end of the rod 3-2 is hinged with the sliding member 1-4-1, and the middle part of the supporting column connecting rod 3-2 is provided with a hinge point. When the supporting column connecting rod 3-2 is fully straightened without bending, the supporting column 3 -3 tilts to the rear side of the wheelchair to increase the support strength. When the support column connecting rod 3-2 is bent, the support column 3-3 rotates to the front side of the wheelchair with the support rotation axis 3-1 as the hinge point, and the wheelchair does not occupy space.

When the present invention is unfolded, the sliding member 1-4-1 is located on the horizontal track portion of the slide rail 1-4-2, the supporting column connecting rod 3-2 is completely straightened, and the telescopic rod 1-2-1 stretches out, and the two A folding chair surface 2-1 is in a horizontal plane, the handicapped person sits on the chair surface, and the back leans on the back cushion 1-3, and now the present invention is in normal use state; As shown in Figure 5 and Figure 6, the present invention It can be folded up for storage or transportation when idle, so as to reduce the size and facilitate storage or transportation. Firstly, fold up the joint of the two folding chair surfaces 2-1, and slide the sliding member 1-4-1 to the slide rail 1 at the same time. - the bottom of 4-2, at this time, the left and right front drive shells 1-4 will continue to approach the inside, when the backs of the left and right folding chair surfaces 2-1 are completely attached, the inner side of the front drive shell 1-4 Also fit the front side of the folding chair surface 2-1 on the corresponding side, the folding chair surface 2-1 is placed vertically at this time, and then the supporting column 3-3 is moved to the front direction of the wheelchair by bending the supporting column connecting rod 3-2 Rotate until the support column 3-3 fits with the front drive housing 1-4, and finally retract the telescopic rod 1-2-1 to the inside of the front drive housing 1-4. The folded wheelchair is greatly reduced in size, easy to carry and transport, and easy to store. Occupies space, and when it needs to be used as a wheelchair again, the wheelchair can be re-deployed by performing the above steps in reverse.

As shown in Figure 3 and Figure 4, back cushion 1-3 is made up of cover cloth bag 1-3-1 and cover cloth 1-3-3, and cover cloth bag 1-3-1 is arranged on left and right two telescopic rods 1-2-1 Between, cover cloth bag 1-3-1 back is provided with slide fastener 1-3-2, and cover cloth bag 1-3-1 interior is provided with cover cloth 1-3-3; When the present invention is used as wheelchair, cover cloth 1-3-1 3-3 folded, put in the cover bag 1-3-1, now the cover 1-3-3 in the cover bag 1-3-1 acts as a cushion for the handicapped to rely on, when the wheelchair needs to be folded, the zipper 1-3-2 Unfold and take out the cover cloth 1-3-3. After the wheelchair is completely folded, put the cover cloth 1-3-3 on the folded wheelchair to prevent the wheelchair from being bumped and also ensure dust adhesion. The cover cloth 1-3-3 has a corner and the cover cloth bag 1-3-1 is sewed and connected to ensure that the cover cloth 1-3-3 is not easy to lose.

In order to facilitate the folding of the chair surface, a seat surface buckle handle 2-2 is added, and the two ends of the chair surface buckle handle 2-2 are respectively connected with the left and right folding chair surfaces 2-1. When folding the wheelchair, the chair surface buckle handle 2 is pulled upwards -2 makes the seat surface fold, and then pulls the seat surface buckle handle 2-2 forward to make the front side of the chair sink, and the seat surface buckle handle 2-2 is located at the front of the folding chair surface 2-1. Pulling saves effort, and the seat surface buckle handle 2-2 is made of flexible material, which does not affect the seating of disabled people.

In order to improve the comfort of riding, a folding pedal 1-4-3 is arranged on the inner side of the front drive housing 1-4, and the bottom of the folding pedal 1-4-3 is hinged with the front drive housing 1-4. Pedals 1-4-3 are folded outwards, and human feet can be stepped on the folding pedals 1-4-3. When the wheelchair is folded, the folding pedals 1-4-3 are folded inward and attached to the front shell 1-4. Close; the top of the front drive housing 1-4 on one side is provided with a retractable operating rod 1-1, and the operating rod 1-1 is connected with the drive assembly 1-8, which is convenient for the handicapped to operate the wheelchair.

The folded wheelchair is still supported by two front wheels and two rear wheels, and the opening and closing angle of the rear wheels can be controlled by adjusting the connecting rod 3-2 of the support column as required to ensure the stability of the folded wheelchair. The action of the wheelchair is controlled by the operating rod 1-1, which is convenient for transportation and handling.

As shown in Fig. 4 and Fig. 6, a safety belt 1-9 is provided above the rear end surface of the front drive housing 1-4, and when the present invention is used as a wheelchair, the safety belt 1-9 is wrapped around the waist position of the handicapped to prevent the road from inclining Or the handicapped person falls off from the wheelchair when bumping, and after folding, adjust the connection length of the safety belt 1-9, and the safety belt 1-9 is used as a packing belt at this time, so that the folded wheelchair is firmer. In order to improve the scope of use of the present invention, as shown in Figure 5, a foldable balance car pedal 1-6 is provided on the outside of the front drive housing 1-4, and the bottom of the balance bike pedal 1-6 is hinged with the front drive housing 1-4. After the wheelchair is folded, put down the balance bike pedals 1-6 on the outside of the front drive housing 1-4, and people can stand on the balance bike pedals 1-6. After the wheelchair is folded, it can be used as a balance bike. People can also use it. Since the operating rod 1-1 is retractable, when used as a balance car, the operating rod 1-1 can be pulled out for people to control the driving of the balance car. At this time, the balance car is on the ground at four points, and people can conveniently driving controls.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Any minor modifications, equivalent replacements and improvements made to the above embodiments according to the technical essence of the present invention shall be included in the technical aspects of the present invention. within the scope of protection of the program.

Claims (7)

1. a kind of multi-purpose folding electric wheelchair, it is characterised in that including preceding driving module（1）, seat modular（2）And Rear wheel support Module（3）；

Preceding driving module（1）It is divided into the two forerunner's shells in left and right（1-4）, forerunner's shell（1-4）Bottom is provided with front-wheel（1-5）, it is preceding Drive shell（1-4）Medial surface offers slide rail（1-4-2）, slide rail（1-4-2）In be provided with sliding component（1-4-1）, outside forerunner Shell（1-4）Backside top is provided with telescopic backrest（1-2）, telescopic backrest（1-2）By expansion link（1-2-1）And back support bar（1-2- 2）Composition, expansion link（1-2-1）One end pass through forerunner's shell（1-4）The slideway that inside is opened up and forerunner's shell（1-4）Connection, Expansion link（1-2-1）The other end and back support bar（1-2-2）Connection, the back support bar of left and right two（1-2-2）Between be provided with back cushion（1- 3）, forerunner's shell of side（1-4）In be provided with battery pack（1-7）And drive component（1-8）, battery pack（1-7）With drive component （1-8）Electrical connection, drive component（1-9）With front-wheel（1-5）Connection；

Seat modular（2）It is divided into the folding seat of left and right two（2-1）, the folding seat of left and right two（2-1）Pass through flexible connecting plate （2-3）Connection, left folding seat（2-1）Back side rear ends set left seat support bar respectively（2-1-1）, right folding seat （2-1）Back side rear ends set right seat support bar respectively（2-1-2）, left seat support bar（2-1-1）Medial end with Right seat support bar（2-1-2）Medial end be hinged, front left seat support bar（2-1-1）With front right seat support bar（2-1- 2）Outboard end pass through preceding seat rotary shaft respectively（2-4-1）With supporting member（2-4）It is hinged, supporting member（2-4）Pass through Sliding component（1-4-1）With left and right forerunner's shell（1-4）Connection, rear left seat support bar（2-1-1）With rear right seat support bar （2-1-2）Outboard end be provided with rear seat rotary shaft（2-4-2）；

Rear wheel support module（3）By support column connecting rod（3-2）, support column（3-3）And trailing wheel（3-4）Composition, support column（3-3） Bottom is provided with trailing wheel（3-4）, support column（3-3）Top is provided with support rotary shaft（3-1）, support rotary shaft（3-1）With rear seat Rotary shaft（2-4-2）Connection, support column connecting rod（3-2）One end and support column（3-3）Leading flank in the middle part of connect, support column Connecting rod（3-2）The other end and sliding component（1-4-1）It is hinged, support column connecting rod（3-2）Middle part is provided with pin joint.

2. a kind of multi-purpose folding electric wheelchair according to claim 1, it is characterised in that described back cushion（1-3）By Cover bag（1-3-1）And cover（1-3-3）Composition, cover bag（1-3-1）It is arranged on two expansion links in left and right（1-2-1）Between, Cover bag（1-3-1）Back is provided with slide fastener（1-3-2）, cover bag（1-3-1）Inside is provided with cover（1-3-3）, cover（1-3-3） With cover bag（1-3-1）Suture connection.

3. a kind of multi-purpose folding electric wheelchair according to claim 1, it is characterised in that also including seat attacker（2- 2）, seat attacker（2-2）Two ends respectively with the folding of left and right two seat（2-1）Connection, seat attacker（2-2）Positioned at folding seat Face（2-1）Front, seat attacker（2-2）For flexible material.

4. a kind of multi-purpose folding electric wheelchair according to claim 1, it is characterised in that described forerunner's shell（1- 4）Interior side-lower is provided with Folding pedal（1-4-3）, Folding pedal（1-4-3）Bottom and forerunner's shell（1-4）It is hinged.

5. a kind of multi-purpose folding electric wheelchair according to claim 1, it is characterised in that described side forerunner's shell （1-4）Top telescopic action bars is set（1-1）, action bars（1-1）With drive component（1-8）Connection.

6. a kind of multi-purpose folding electric wheelchair according to claim 1, it is characterised in that described forerunner's shell（1- 4）Outside be provided with foldable balance car pedal（1-6）, balance car pedal（1-6）Bottom and forerunner's shell（1-4）It is hinged.

7. a kind of multi-purpose folding electric wheelchair according to claim 1, it is characterised in that described forerunner's shell（1- 4）Safety belt is provided with above rear end face（1-9）.