CN110934696A

CN110934696A - Foldable electric wheelchair and folding method thereof

Info

Publication number: CN110934696A
Application number: CN201910910374.XA
Authority: CN
Inventors: 廖志欣; 刘冬旭
Original assignee: Foshan Tong Tong Medical Technology Co Ltd
Current assignee: Foshan Fenghe Medical Technology Co., Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-03-31

Abstract

The invention belongs to the technical field of electric wheelchairs, and particularly relates to a foldable electric wheelchair which comprises a side frame assembly, a front wheel assembly, a pedal assembly, a backrest assembly, a seat frame assembly, a handrail assembly, a control assembly, a rear wheel assembly, an anti-overturning assembly, a battery assembly and a control box. The structure of the existing electric wheelchair is improved, the backrest assembly is used as a locking part of the wheelchair, the backrest assembly is divided into a lower support assembly, an upper leaning assembly and a locking assembly, wherein the lower support assembly and the upper leaning assembly are hinged and can rotate relatively, but the locking assembly is used for locking to play a role in fixing, so that when the wheelchair is folded, the locking assembly is mainly opened, the lower support assembly is pulled to lean backwards to complete folding work, the wheelchair has the advantages of simple folding steps and high folding speed, and the wheelchair is also convenient to convert from a folding state to a using state.

Description

Foldable electric wheelchair and folding method thereof

Technical Field

The invention relates to the technical field of electric wheelchairs, in particular to a foldable electric wheelchair and a folding method thereof.

Background

Electric wheelchair vehicles, also referred to simply as electric wheelchairs, are tools for special groups of people such as disabled persons, elderly people, people with mobility difficulties, physically impaired persons and patients for medical clinical rehabilitation to walk instead. The macrostructure of an electric wheelchair is well known, and specifically comprises a vehicle body and an electric mechanism, wherein the vehicle body comprises a frame, wheels, a chair seat, a chair back, an armrest and the like, and the electric mechanism comprises a driving motor, a power supply, a control handle, a controller and the like. Technical information on electric wheelchair vehicles, such as grant publication numbers CN106074028B (foldable electric wheelchair), CN104800009B (front-folding and anti-tipping electric wheelchair), CN102755230B (electric wheelchair), and CN107049632B (light-weight portable electric wheelchair), is not known in the prior published chinese patent documents.

Present electric wheelchair in order to conveniently carry, accomodate, transportation and storage, all design into collapsible type, but because electric wheelchair's component is many, in order to guarantee the stability of structure, can design a plurality of retaining members, take off the retaining member among the folding process, then accomplish folding operation, but can cause electric wheelchair's folding step loaded down with trivial details, can't accomplish folding operation fast, equally can't convert folded state into user state fast, consequently, it improves prior art to be necessary, the inventor proposes to do profitable design, the technical scheme who introduces below has been formed.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a foldable electric wheelchair, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a foldable electric wheelchair comprises a side frame assembly, a front wheel assembly, a pedal assembly, a backrest assembly, a seat frame assembly, a handrail assembly, a control assembly, a rear wheel assembly, an anti-turnover assembly, a battery assembly and a control box, wherein the backrest assembly consists of a lower support assembly, an upper leaning assembly and a locking assembly.

The inner side of one end of the side frame component is hinged with the front wheel component and the seat frame component.

The front wheel assembly is hinged with the pedal assembly.

The inner side of the other end of the side frame component is hinged with the lower support component and is connected with the rear wheel component through a bolt.

The top of the lower support assembly and the bottom of the upper leaning assembly are hinged and can be detachably fixed through a locking assembly.

The locking assembly is fixed to the top of the lower support assembly.

The seat frame assembly is hinged with the upper leaning assembly.

The armrest assembly is hinged with the seat frame assembly and the upper leaning assembly.

The control assembly is detachably fixed on the armrest assembly.

The rear wheel assembly is fixed to the rear side of the side frame assembly.

The anti-overturning assembly is detachably fixed on the rear wheel assembly.

The front and the back of the battery component are respectively hinged with the front wheel component and the lower support component.

The control box is fixed on the lower support assembly.

The control assembly, the rear wheel assembly, the battery assembly and the control box are electrically connected.

As a preferable technical scheme of the invention, the side frame assembly comprises two side plates, the inner sides of one ends of the two side plates are both connected with a front plate through bolts, and a frame reinforcing pipe is connected between the opposite sides of the two side plates through bolts.

As a preferable technical scheme, the front wheel assembly comprises two front wheel supporting plates, the two front wheel supporting plates are respectively hinged with the inner sides of the corresponding front plates, the bottoms of the two front wheel supporting plates are respectively and rotatably connected with a front wheel support, the interiors of the two front wheel supports are respectively and rotatably connected with a forward moving wheel, a supporting transverse pipe is connected between the opposite sides of the two front wheel supports through bolts, and two pedal lugs are welded on the outer surface of the supporting transverse pipe.

As a preferable technical scheme of the invention, the pedal assembly comprises two pedal straight pipes, one ends of the two pedal straight pipes are respectively hinged with the two pedal support lugs, and the other ends of the two pedal straight pipes are fixedly provided with pedals.

As a preferable technical scheme, the lower support assembly comprises two rotating pieces, the two rotating pieces are respectively and rotatably connected with the inner sides of the two side plates, lower support tubes are fixedly mounted on the outer surfaces of the two rotating pieces, the lower support tubes are U-shaped, two lower folding lugs are welded at the tops of the lower support tubes, and lower support reinforcing tubes are welded on the inner sides of the lower support tubes.

Go up the subassembly of leaning on and include the back pipe, the bottom welding of back pipe has two to go up folding ear, every it is articulated with two folding ears down respectively to go up folding ear, the positive fixed mounting of back pipe has the back pad, the top bolted connection of back pipe has the handle pipe.

Locking Assembly includes the locking seat, the bolted connection of locking seat is at the top of stay tube under, the inside rotation of locking seat is connected with the dead lever, the fixed surface of dead lever installs two lock hooks, the inside sliding connection of locking seat has U type couple, the both ends of U type couple all run through the back pipe, two a pot head of lock hook is equipped with the switch cover.

As a preferable technical scheme of the invention, the seat frame assembly comprises two seat frame supporting plates, the two seat frame supporting plates are respectively hinged with the two front plates, seat frame pipes are welded on the outer sides of the two seat frame supporting plates, the seat frame pipes are U-shaped, two ends of each seat frame pipe are hinged with two sides of a backrest pipe, and a cushion is fixedly arranged at the top of each seat frame pipe.

As a preferred technical scheme of the invention, the armrest assembly comprises two lower armrest tubes and two upper armrest tubes, one ends of the two lower armrest tubes are respectively hinged with two sides of the seat frame tube, the other ends of the two lower armrest tubes are respectively hinged with armrest folding pieces, one ends of the two upper armrest tubes are respectively hinged with two sides of the backrest tube, the other ends of the two upper armrest tubes are respectively hinged with the corresponding armrest folding pieces, and armrest cushions are fixedly mounted at the tops of the two upper armrest tubes.

As a preferred technical scheme of the invention, the control assembly comprises a fixed seat, the fixed seat is fixed at the bottom of one of the upper handrail tubes through a bolt, a telescopic rod is detachably fixed in the fixed seat, and one end of the telescopic rod is connected with a remote controller through a bolt.

As a preferred technical scheme of the present invention, the rear wheel assembly includes two motor fixing plates, the two motor fixing plates are respectively bolted to the rear end portions of the two side plates, brushless motor assemblies are fixedly mounted on the inner sides of the two motor fixing plates, and rear driving wheels are fixedly mounted on output shafts of the two brushless motor assemblies.

According to a preferred technical scheme, the anti-overturning assembly comprises two adjusting pipes, wheel pipes are inserted into the two adjusting pipes, each adjusting pipe and each wheel pipe are fixedly connected with a corresponding motor fixing plate through bolts, and anti-overturning wheels are arranged on the two wheel pipes.

According to a preferable technical scheme, the battery assembly comprises two supporting square pipes, two ends of each supporting square pipe are respectively hinged with a supporting transverse pipe and a supporting reinforcing pipe, battery clamping plates are connected to the inner sides of the two supporting square pipes through bolts, and a battery assembly is connected between the opposite sides of the two battery clamping plates through bolts.

As a preferred technical solution of the present invention, the remote controller, the two brushless motors assembly, the battery assembly and the control box are electrically connected.

A method of folding a foldable electric wheelchair comprising the steps of:

firstly), the downward toggle switch sleeve drives the two lock hooks to rotate, at the moment, the fixed rod rotates, meanwhile, the two lock hooks drive the U-shaped hook to slide downwards, and the U-shaped hook comes out of the inside of the backrest tube and enters the inside of the locking seat;

secondly), the lower supporting tube is pulled to rotate backwards, and the lower supporting tube rotates relative to the two side plates through the two rotating pieces;

thirdly) when the second step is carried out, the backrest pipe inclines forwards and rotates, the seat frame pipe rotates downwards, the two lower handrail pipes rotate along with the seat frame pipe and rotate towards the direction close to the seat frame pipe, the two upper handrail pipes and the backrest pipe rotate in the same direction, the two side plates rotate forwards and downwards, the two front wheel supporting plates rotate towards the upper right, the two supporting square pipes move backwards horizontally, and the two pedal straight pipes rotate backwards and upwards;

fourthly) when the contact part of the back cushion and the seat cushion starts to press the back cushion, then the pedal plate is pulled to rotate to the direction close to the seat frame pipe, and the two front wheel supporting plates are folded to be parallel to the two side plates;

fifthly), the handle pipe and the pedal plate are held by hands to be lifted vertically, so that the two anti-overturning wheels are in contact with the ground.

(III) advantageous effects

Compared with the prior art, the invention provides a foldable electric wheelchair and a folding method thereof, and the foldable electric wheelchair has the following beneficial effects:

1. the foldable electric wheelchair and the folding method thereof have the advantages that the structure of the existing electric wheelchair is improved, the backrest assembly is used as the locking part of the foldable electric wheelchair, the backrest assembly is divided into the lower support assembly, the upper leaning assembly and the locking assembly, the lower support assembly and the upper leaning assembly are hinged and can rotate relatively, the locking assembly is locked to play a role in fixing, so that when the foldable electric wheelchair is folded, the locking assembly is mainly opened, the lower support assembly is pulled to lean backwards to complete the folding work, the foldable electric wheelchair has the advantages of simple folding step and high folding speed, and the foldable electric wheelchair is also convenient to convert from the folded state to the use state.

2. According to the foldable electric wheelchair and the folding method thereof, the up-and-down folding mode is adopted, so that the folded electric wheelchair can be lifted to be vertical after being folded, the foldable electric wheelchair is convenient to move, store, carry and the like, and the stability of the electric wheelchair after being vertical can be ensured due to the design of the anti-turnover component.

Drawings

FIG. 1 is a perspective right side elevational view of the structure of the present invention;

FIG. 2 is a left side view of the structure of the present invention;

FIG. 3 is a right side view of the structure of the present invention;

FIG. 4 is a perspective front left view of the structure of the present invention;

FIG. 5 is a rear view of the structure of the present invention;

FIG. 6 is a rear left perspective view of the structure of the present invention;

FIG. 7 is a perspective view of the anti-roll assembly of the present invention;

FIG. 8 is a perspective view of the structural locking assembly of the present invention;

fig. 9 is a partial perspective view of a structural locking assembly of the present invention.

In the figure: 1. a sideframe assembly; 101. a side plate; 102. a front plate; 103. a frame reinforcement tube; 2. a front wheel assembly; 201. a front wheel support plate; 202. a front wheel carrier; 203. moving the driving wheel forwards; 204. supporting the transverse pipe; 205. the support lug is pedaled; 3. a footrest assembly; 301. a pedal straight pipe; 302. a foot pedal; 4. a backrest assembly; 401. a lower support assembly; 40101. a rotating member; 40102. a lower support tube; 40103. lower folding ears; 40104. a lower support reinforcing tube; 402. an upper reclining assembly; 40201. a back tube; 40202. an upper folding ear; 40203. a backrest cushion; 40204. a handle tube; 403. a locking assembly; 40301. a locking seat; 40302. fixing the rod; 40303. locking the hook; 40304. a U-shaped hook; 40305. a switch cover; 5. a seat frame assembly; 501. a seat frame support plate; 502. a pedestal tube; 503. a cushion; 6. an armrest assembly; 601. a lower handrail tube; 602. an upper handrail tube; 603. a handrail folding member; 604. a handrail pad; 7. a manipulation component; 701. a fixed seat; 702. a telescopic rod; 703. a remote controller; 8. a rear wheel assembly; 801. a motor fixing plate; 802. Assembling a brushless motor; 803. a rear drive wheel; 9. a rollover prevention assembly; 901. an adjusting tube; 902. a wheel tube; 903. anti-overturning wheels; 10. a battery assembly; 1001. supporting the square pipe; 1002. a battery card board; 1003. assembling the battery; 11. and a control box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Examples

Referring to fig. 1, the present invention provides the following technical solutions: a foldable electric wheelchair comprises a side frame assembly 1, a front wheel assembly 2, a pedal assembly 3, a backrest assembly 4, a seat frame assembly 5, an armrest assembly 6, a control assembly 7, a rear wheel assembly 8, an anti-overturning assembly 9, a battery assembly 10 and a control box 11, wherein the backrest assembly 4 consists of a lower support assembly 401, an upper leaning assembly 402 and a locking assembly 403.

The inner side of one end of the side frame assembly 1 is hinged with the front wheel assembly 2 and the seat frame assembly 5.

The front wheel assembly 2 is hinged with the pedal assembly 3.

The inner side of the other end of the side frame assembly 1 is hinged to the lower support assembly 401 and bolted to the rear wheel assembly 8.

The top of the lower support assembly 401 and the bottom of the upper rest assembly 402 are hinged and detachably secured by a locking assembly 403.

A locking assembly 403 is secured to the top of the lower support assembly 401.

The mounting assembly 5 is hingedly connected to the upper recliner assembly 402.

The armrest assembly 6 is hingedly connected to the mounting assembly 5 and the upper recliner assembly 402.

The operation and control assembly 7 is detachably fixed on the armrest assembly 6.

The rear wheel assembly 8 is fixed to the rear side of the side frame assembly 1.

The anti-overturn component 9 is detachably fixed on the rear wheel component 8.

The front and rear surfaces of the battery assembly 10 are hinged to the front wheel assembly 2 and the lower support assembly 401, respectively.

The control box 11 is fixed to the lower support assembly 401.

The control assembly 7, the rear wheel assembly 8, the battery assembly 10 and the control box 11 are electrically connected.

In the embodiment, the side frame component 1 provides a structural foundation for the invention, and the components are connected with each other to form a basic frame of the invention; the front wheel assembly 2 and the rear wheel assembly 8 are matched to drive the invention to move, wherein the rear wheel assembly 8 provides driving force for the movement of the invention; the foot pedal assembly 3 is used for placing the feet of a user; the backrest assembly 4 is divided into three parts, namely a lower support assembly 401, an upper leaning assembly 402 and a locking assembly 403, wherein the lower support assembly 401 plays a role in basic support connection and is hinged with the side frame assembly 1, so that the lower support assembly can rotate relative to the side frame assembly 1, and meanwhile, the lower support assembly 401 is connected with the upper leaning assembly 402 in a hinged mode, so that the lower support assembly can rotate, but the locking assembly 403 can lock and fix the lower support assembly 401 and the upper leaning assembly 402, so that the structural stability of the invention is ensured, wherein the upper leaning assembly 402 plays a role in backrest and can provide leaning for a user; the seating support assembly 5 provides a seated position for the user, wherein the seating support assembly 5 is hinged to both the upper recliner assembly 402 and the armrest assembly 6; the manipulation assembly 7 is used for operating the movement of the present invention; the anti-tipping assembly 9 is used for ensuring that the foldable bicycle cannot tip over after being folded vertically; the battery pack 10 is used for supplying power to the driving of the present invention, and the control box 11 is provided to ensure smooth completion of the control operation of the present invention.

Referring to fig. 2-6, the side frame assembly 1 includes two side plates 101, a front plate 102 bolted to the inner sides of one end of the two side plates 101, and a frame reinforcement pipe 103 bolted to the side opposite to the two side plates 101.

In this embodiment, the two side plates 101 are used as a foundation, and the two side plates 101 are connected together through the frame reinforcing pipe 103, so that the structural strength of the vehicle body is improved, and the presence of the two front plates 102 provides a position for mounting the basic component of the invention, wherein the inner sides of the side plates 101 refer to the opposite sides of the two side plates 101, in an unfolded state, the two side plates 101 are arranged obliquely towards the rear lower direction, and the two side plates 101 are formed by pouring aluminum magnesium alloy at one time, so that the structural strength is high.

Referring to fig. 2, 3, 4 and 6, the front wheel assembly 2 includes two front wheel supporting plates 201, the two front wheel supporting plates 201 are respectively hinged to the inner sides of the corresponding front plates 102, the bottoms of the two front wheel supporting plates 201 are respectively and rotatably connected with front wheel supports 202, the interiors of the two front wheel supports 202 are respectively and rotatably connected with front moving wheels 203, a supporting transverse tube 204 is connected between the opposite sides of the two front wheel supports 202 through bolts, and two pedal lugs 205 are welded on the outer surface of the supporting transverse tube 204.

In this embodiment, the two front wheel supporting plates 201 can be rotated and folded relative to the two front plates 102 to form a folding structure, wherein the front moving wheels 203 can roll on the ground, the front moving wheels 203 can rotate relative to the front wheel supporting plates 201 to change the direction, the horizontal supporting tubes 204 have two functions, one is to strengthen and improve the overall supporting strength of the present invention, and the other is to provide the installation and fixation position for the pedal assembly 3, wherein the front wheel supporting plates 201 are formed by pouring aluminum magnesium alloy at one time.

Referring to fig. 2-4, the pedal assembly 3 includes two pedal straight pipes 301, one end of each of the two pedal straight pipes 301 is hinged to each of the two pedal lugs 205, and the other end of each of the two pedal straight pipes 301 is fixedly mounted with a pedal plate 302.

In this embodiment, two straight pedal pipes 301 and one pedal plate 302 form a fixed whole, the two straight pedal pipes 301 can rotate relative to the two pedal lugs 205, wherein one end of each straight pedal pipe 301 is abutted against the surface below the horizontal support pipe 204 in a normal state, when two feet of a user are placed on the pedal plate 302, the two straight pedal pipes 301 are driven to rotate upwards, but due to the existence of the horizontal support pipe 204, a limiting and blocking effect can be achieved, so that the reasonability of the structural design of the present invention is ensured.

Referring to fig. 2-6, 8 and 9, the lower support assembly 401 includes two rotating members 40101, the two rotating members 40101 are respectively rotatably connected to the inner sides of the two side plates 101, lower support tubes 40102 are fixedly mounted on the outer surfaces of the two rotating members 40101, the lower support tubes 40102 are U-shaped, two lower folding lugs 40103 are welded to the top of the lower support tubes 40102, and lower support reinforcing tubes 40104 are welded to the inner sides of the lower support tubes 40102;

the upper leaning assembly 402 comprises a backrest tube 40201, two upper folding ears 40202 are welded at the bottom of the backrest tube 40201, each upper folding ear 40202 is hinged with two lower folding ears 40103, a backrest pad 40203 is fixedly mounted on the front surface of the backrest tube 40201, and a handle tube 40204 is connected to the top of the backrest tube 40201 through a bolt;

locking assembly 403 includes locking seat 40301, and the bolted connection of locking seat 40301 is at the top of lower support pipe 40102, and the inside rotation of locking seat 40301 is connected with dead lever 40302, and two lock hooks 40303 are installed to the surface fixed mounting of dead lever 40302, and the inside sliding connection of locking seat 40301 has U type couple 40304, and back pipe 40201 is all run through at the both ends of U type couple 40304, and the pot head of two lock hooks 40303 is equipped with switch sleeve 40305.

In this embodiment, the lower support tube 40102 and the two rotating members 40101 form a whole, so that the lower support tube 40102 can be folded and rotated relative to the two side plates 101, the lower support tube 40102 and the backrest tube 40201 are directly hinged by the lower folding lug 40103 and the upper folding lug 40202 and locked by the U-shaped hook 40304 in the locking assembly 403, and the structural firmness between the lower support tube 40102 and the backrest tube 40201 is ensured in a normal state.

Referring to fig. 2, 3, 4 and 6, the seat frame assembly 5 includes two seat frame support plates 501, the two seat frame support plates 501 are respectively hinged to the two front plates 102, seat frame pipes 502 are welded to the outer sides of the two seat frame support plates 501, the seat frame pipes 502 are U-shaped, two ends of the seat frame pipes 502 are hinged to two sides of the backrest pipe 40201, and a seat cushion 503 is fixedly installed on the top of the seat frame pipes 502.

In this embodiment, the cooperation of the two seat frame support plates 501 and the one seat frame tube 502 can ensure the stability of the seat frame assembly 5 while being foldable, and the positions of the side plate 101 and the backrest tube 40201 are not changed, so the structure of the seat frame assembly 5 can be kept stable, and the seat cushion 503 provides a sitting position for the user.

Referring to fig. 2, 3, 4 and 6, the armrest assembly 6 includes two lower armrest tubes 601 and two upper armrest tubes 602, one end of each of the two lower armrest tubes 601 is hinged to two sides of the seat frame tube 502, the other end of each of the two lower armrest tubes 601 is hinged to an armrest folding member 603, one end of each of the two upper armrest tubes 602 is hinged to two sides of the backrest tube 40201, the other end of each of the two upper armrest tubes 602 is hinged to a corresponding armrest folding member 603, and an armrest pad 604 is fixedly mounted on the top of each of the two upper armrest tubes 602.

In this embodiment, two armrest assemblies 6 provide a place for placing the user's hands, and the user can directly place the user's hands on the two armrest pads 604.

Specifically, the control assembly 7 comprises a fixed seat 701, the fixed seat 701 is fixed at the bottom of one of the upper handrail tubes 602 through a bolt, an expansion link 702 is detachably fixed in the fixed seat 701, and one end of the expansion link 702 is connected with a remote controller 703 through a bolt.

In this embodiment, wherein the operating assembly 7 is all fixed on the handrail assembly 6 on the right under the normal condition, because the operating assembly 7 is detachable structure, consequently, can dismantle and install on the left side, can be applicable to the operator of the different habits of right hand and left hand, telescopic link 702 indicates that telescopic link 702 is located the length of fixing base 701 and can adjust simultaneously, threaded passage has been seted up to the bottom of fixing base 701, when the length adjustment of telescopic link 702 is fit for the position, even the user feels convenient operation's position, through the plum blossom rotation in threaded passage internal rotation, the surface that finally can conflict telescopic link 702 is fixed with its centre gripping, thereby fix the position of remote controller 703, carry out corresponding operation through remote controller 703.

Referring to fig. 2-6, the rear wheel assembly 8 includes two motor fixing plates 801, the two motor fixing plates 801 are respectively bolted to the rear end portions of the two side plates 101, brushless motor assemblies 802 are fixedly mounted on the inner sides of the two motor fixing plates 801, and rear driving wheels 803 are fixedly mounted on the output shafts of the two brushless motor assemblies 802.

In this embodiment, the two brushless motors are assembled 802 to drive the two rear driving wheels 803 to roll on the ground, so that the invention can be driven to move, and the moving operation is simple.

Referring to fig. 2 to 7, the anti-tip assembly 9 includes two adjusting tubes 901, wheel tubes 902 are inserted into the two adjusting tubes 901, each adjusting tube 901 and each wheel tube 902 are fixedly connected to a corresponding motor fixing plate 801 by bolts, and anti-tip wheels 903 are disposed on the two wheel tubes 902.

In this embodiment, the length of the wheel tube 902 in the adjusting tube 901 can be adjusted, but the holes of the wheel tube 902 and the adjusting tube 901 after adjustment must correspond to each other one by one, so that the wheel tube 902 and the adjusting tube 901 are fixed to the side plate 101 together by bolts, and the anti-tipping assembly 9 is fixed, wherein after the anti-tipping wheel 903 is contacted with the ground after the anti-tipping wheel is folded vertically, so as to prevent tipping.

Referring to fig. 2-5, the battery assembly 10 includes two square supporting tubes 1001, two ends of each square supporting tube 1001 are respectively hinged to the horizontal supporting tube 204 and the lower reinforcing tube 40104, the inner sides of the two square supporting tubes 1001 are respectively connected with a battery clamping plate 1002 through bolts, and a battery assembly 1003 is connected between the two opposite sides of the two battery clamping plates 1002 through bolts.

In this embodiment, the battery assembly 1003 provides electric power for the electric device of the present invention as power, so as to ensure that the electric wheelchair of the present invention can be used normally, and the two square supporting tubes 1001 are provided to ensure that the battery assembly 10 can complete the folding operation smoothly.

Referring to fig. 1, 5 and 6, the remote control 703, the two brushless motors assemblies 802, the battery assembly 1003 and the control box 11 are electrically connected.

In this embodiment, the remote controller 703, the two brushless motors assemblies 802, the battery assembly 1003 and the control box 11 are mutually matched to ensure that the electric wheelchair can be normally used.

A method of folding a foldable electric wheelchair comprising the steps of:

one) a switch sleeve 40305 is dialed downwards to drive the two lock hooks 40303 to rotate, at this time, the fixing rod 40302 rotates, the two lock hooks 40303 drive the U-shaped hook 40304 to slide downwards, and the U-shaped hook 40304 comes out of the inner portion of the backrest tube 40201 and enters the inner portion of the locking seat 40301;

secondly), the lower support tube 40102 is pulled to rotate backwards, and the lower support tube 40102 rotates relative to the two side plates 101 through the two rotating pieces 40101;

thirdly) when the second step is carried out, the backrest tube 40201 is inclined forwards and rotates, the seat tube 502 rotates downwards, the two lower handrail tubes 601 rotate along with the seat tube 502 and rotate towards the direction close to the seat tube 502, the two upper handrail tubes 602 rotate in the same direction as the backrest tube 40201, the two side plates 101 rotate forwards and downwards, the two front wheel support plates 201 rotate towards the upper right, the two support square tubes 1001 move horizontally and backwards, and the two pedal straight tubes 301 rotate towards the upper back;

fourthly) when the back cushion 40203 contacts with the cushion 503, the back cushion 40203 is pressed and pressed, then the pedal plate 302 is pulled to rotate in the direction close to the seat frame pipe 502, and the two front wheel support plates 201 are folded and parallel to the two side plates 101;

fifthly), the handle tube 40204 and the pedal plate 302 are held by hands to be lifted vertically, so that the two anti-overturning wheels 903 are in contact with the ground.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a collapsible electronic wheelchair, includes side bearer subassembly (1), front wheel subassembly (2), pedal subassembly (3), back subassembly (4), seat frame subassembly (5), handrail subassembly (6), controls subassembly (7), rear wheel subassembly (8), prevents turning over subassembly (9), battery pack (10), control box (11), back subassembly (4) comprise lower support subassembly (401), upper leaning on subassembly (402) and locking Assembly (403), its characterized in that:

the inner side of one end of the side frame component (1) is hinged with the front wheel component (2) and the seat frame component (5);

the front wheel assembly (2) is hinged with the pedal assembly (3);

the inner side of the other end of the side frame assembly (1) is hinged with the lower support assembly (401) and is connected with the rear wheel assembly (8) through a bolt;

the top of the lower support assembly (401) and the bottom of the upper leaning assembly (402) are hinged and detachably fixed through a locking assembly (403);

the locking assembly (403) is fixed on the top of the lower support assembly (401);

the seat frame assembly (5) is hinged with the upper leaning assembly (402);

the armrest component (6) is hinged with the seat frame component (5) and the upper leaning component (402);

the control component (7) is detachably fixed on the handrail component (6);

the rear wheel assembly (8) is fixed at the rear side of the side frame assembly (1);

the anti-overturning assembly (9) is detachably fixed on the rear wheel assembly (8);

the front surface and the back surface of the battery component (10) are respectively hinged with the front wheel component (2) and the lower support component (401);

the control box (11) is fixed on the lower support assembly (401);

the control assembly (7), the rear wheel assembly (8), the battery assembly (10) and the control box (11) are electrically connected.

2. The foldable electric wheelchair as claimed in claim 1, wherein: the side frame assembly (1) comprises two side plates (101), the inner sides of one ends of the two side plates (101) are connected with a front plate (102) through bolts, and a frame reinforcing pipe (103) is connected between the opposite sides of the two side plates (101) through bolts.

3. The foldable electric wheelchair as claimed in claim 2, wherein: front wheel subassembly (2) are including two front wheel backup pads (201), two front wheel backup pad (201) is articulated with the inboard of corresponding front bezel (102) respectively, two the bottom of front wheel backup pad (201) is all rotated and is connected with front wheel support (202), two the inside of front wheel support (202) is all rotated and is connected with antedisplacement driving wheel (203), two bolted connection has between the relative one side of front wheel support (202) and supports violently pipe (204), the skin weld who supports violently pipe (204) has two pedal journal stirrup (205).

4. A foldable electric wheelchair in accordance with claim 3, wherein: the pedal assembly (3) comprises two pedal straight pipes (301), one ends of the two pedal straight pipes (301) are hinged to the two pedal support lugs (205) respectively, and pedals (302) are fixedly mounted at the other ends of the two pedal straight pipes (301).

5. The foldable electric wheelchair as claimed in claim 2, wherein: the lower support assembly (401) comprises two rotating parts (40101), the two rotating parts (40101) are respectively connected with the inner sides of two side plates (101) in a rotating mode, lower support tubes (40102) are fixedly installed on the outer surfaces of the two rotating parts (40101), the lower support tubes (40102) are U-shaped, two lower folding lugs (40103) are welded to the tops of the lower support tubes (40102), and lower support reinforcing tubes (40104) are welded to the inner sides of the lower support tubes (40102);

the upper leaning assembly (402) comprises a backrest pipe (40201), two upper folding lugs (40202) are welded at the bottom of the backrest pipe (40201), each upper folding lug (40202) is hinged with two lower folding lugs (40103) respectively, a backrest pad (40203) is fixedly installed on the front surface of the backrest pipe (40201), and a handle pipe (40204) is connected to the top of the backrest pipe (40201) through a bolt;

locking subassembly (403) are including locking seat (40301), the bolted connection of locking seat (40301) is at the top of lower supporting pipe (40102), the inside rotation of locking seat (40301) is connected with dead lever (40302), the fixed surface of dead lever (40302) installs two locks collude (40303), the inside sliding connection of locking seat (40301) has U type couple (40304), back pipe (40201) is all run through at the both ends of U type couple (40304), two the pot head of lock colluding (40303) is equipped with switch cover (40305).

6. The foldable electric wheelchair as claimed in claim 5, wherein: seat frame subassembly (5) include two seat frame backup pads (501), two seat frame backup pad (501) are articulated with two front bezel (102) respectively, two the outside welding of seat frame backup pad (501) has seat pipe (502), seat pipe (502) are the U type, the both ends of seat pipe (502) are articulated with the both sides of back pipe (40201), the top fixed mounting of seat pipe (502) has cushion (503).

7. The foldable electric wheelchair as claimed in claim 6, wherein: handrail subassembly (6) include two down handrail pipe (601) and go up handrail pipe (602), two the one end of handrail pipe (601) is articulated with the both sides of seat pipe (502) respectively down, two the other end of handrail pipe (601) all articulates down has handrail folded piece (603), two go up the one end of handrail pipe (602) and articulate with the both sides of back pipe (40201) respectively, two go up the other end of handrail pipe (602) and articulate with corresponding handrail folded piece (603) respectively, two go up the equal fixed mounting in top of handrail pipe (602) and have handrail pad (604).

8. The foldable electric wheelchair as claimed in claim 7, wherein: control subassembly (7) including fixing base (701), fixing base (701) pass through the bolt fastening in the bottom of one of them handrail pipe (602), the inside of fixing base (701) can be dismantled and be fixed with telescopic link (702), the one end bolted connection of telescopic link (702) has remote controller (703).

9. The foldable electric wheelchair as claimed in claim 2, wherein: rear wheel subassembly (8) include two motor fixed plate (801), two motor fixed plate (801) bolted connection respectively is in the rear end portion of two curb plates (101), two the equal fixed mounting in inboard of motor fixed plate (801) has brushless motor assembly (802), two the equal fixed mounting of output shaft of brushless motor assembly (802) has back drive wheel (803).

10. The foldable electric wheelchair as claimed in claim 9, wherein: the anti-overturning assembly (9) comprises two adjusting pipes (901), wheel pipes (902) are arranged inside the two adjusting pipes (901) in an inserting mode, each adjusting pipe (901) and each wheel pipe (902) are fixedly connected with a corresponding motor fixing plate (801) through bolts, and anti-overturning wheels (903) are arranged on the two wheel pipes (902).

11. A foldable electric wheelchair in accordance with claims 3 and 5, characterized in that: battery pack (10) are including two support side's pipe (1001), two the both ends of support side's pipe (1001) are equallyd divide and are do not violently managed (204) and lower support reinforced pipe (40104) articulated with the support, two the equal bolted connection in inboard of support side's pipe (1001) has battery cardboard (1002), two bolted connection has battery assembly (1003) between the relative one side of battery cardboard (1002).

12. A foldable electric wheelchair according to claims 1-11, wherein said remote control (703), two brushless motor assemblies (802), a battery assembly (1003) and a control box (11) are electrically connected.

13. The method for folding a foldable electric wheelchair, according to claims 1 to 12, wherein the method comprises the steps of: the method comprises the following steps:

firstly), a switch sleeve (40305) is dialed downwards to drive two lock hooks (40303) to rotate, at the moment, a fixing rod (40302) rotates, the two lock hooks (40303) drive a U-shaped hook (40304) to slide downwards, and the U-shaped hook (40304) comes out of the inside of a backrest tube (40201) and enters the inside of a locking seat (40301);

secondly), the lower supporting tube (40102) is pulled to rotate backwards, and the lower supporting tube (40102) rotates relative to the two side plates (101) through the two rotating pieces (40101);

thirdly) when the second step is carried out, the backrest pipe (40201) is inclined forwards and rotates, the seat frame pipe (502) rotates downwards, the two lower handrail pipes (601) rotate along with the seat frame pipe (502) and rotate towards the direction close to the seat frame pipe (502), the two upper handrail pipes (602) and the backrest pipe (40201) rotate in the same direction, the two side plates (101) rotate forwards and downwards, the two front wheel support plates (201) rotate towards the upper right, the two support square pipes (1001) move backwards horizontally, and the two pedal straight pipes (301) rotate backwards and upwards;

fourthly), when the back cushion (40203) is in contact with the seat cushion (503), the back cushion (40203) is pressed down, then the pedal (302) is pulled to rotate to the direction close to the seat frame pipe (502), and the two front wheel supporting plates (201) are folded to be parallel to the two side plates (101);

fifthly), the handle pipe (40204) and the pedal plate (302) are held by hands to be lifted vertically, and the two anti-overturning wheels (903) are in contact with the ground.