Foldable electric wheelchair

Abstract

The utility model relates to the technical field of wheelchairs, in particular to a foldable electric wheelchair which comprises a wheelchair body, a soft cushion assembly, a moving assembly, a control handle and a power supply assembly are installed on the wheelchair body, the power supply assembly is used for supplying power to the moving assembly and the control handle, and the control handle is used for controlling starting and stopping of the moving assembly. Fixed frames are arranged on the left side and the right side of the vehicle body, containing boxes with the open upper ends are fixedly installed on the outer sides of the fixed frames, movable buckling strips are detachably connected to the upper ends of the containing boxes, and the power supply assembly is installed in the containing boxes and fixedly connected with the containing boxes through the movable buckling strips. According to the electric wheelchair, the containing box with the open upper end is arranged on the outer side of the fixed frame, and the power supply assembly is placed in the containing box and fixedly installed through the movable buckling strip, so that the power supply assembly can be conveniently replaced and charged; and the containing box and the power supply assembly which are arranged on the outer side of the fixed frame do not affect folding of the bicycle body, and storage and placement are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wheelchair technical field, concretely is a foldable electric wheelchair. BACKGROUND

[0002] With the growth of population aging, the number of disabled, semi-disabled old people increases year by year, and electric wheelchair becomes important auxiliary tool for the crowd with inconvenient movement and their social family, provides reliable power source for user travel movement, greatly improves the independence and life quality of user, makes them more easily participate in social activities and daily life.Electric wheelchair usually includes car body, drive motor, wheel and power supply assembly, power supply assembly is used to provide electric energy for drive motor, to drive car body to move, generally, the greater the capacity of power supply assembly, the greater the volume of power supply assembly, to increase the endurance mileage of electric wheelchair, generally, the power supply assembly of large volume is fixedly integrated in the bottom of seat cushion of car body, but such design will affect the folding of electric wheelchair. SUMMARY

[0003] In order to achieve the above object, the utility model provides a foldable electric wheelchair, including car body, the car body is installed with soft pad assembly, moving assembly, control handle and power supply assembly, the power supply assembly is used for power supply for the moving assembly and the control handle, the control handle is used for controlling the moving assembly start and stop, the car body includes two fixed frames that are arranged at left and right intervals, X type folding frame is arranged between two fixed frames, the outer side of fixed frame is fixedly installed with the containing box that upper end is open, the upper end of containing box is detachably connected with movable buckle strip, the power supply assembly is installed in containing box and is fixedly connected with containing box through movable buckle strip.

[0004] In some possible embodiments, the fixed frame includes main fixed pipe and transverse reinforcing pipe, one end of the main fixed pipe is downwardly bent and is installed with telescopic sleeve pipe, one end of the transverse reinforcing pipe is fixed to the bent section of the main fixed pipe, and the containing box is fixedly connected to the transverse reinforcing pipe.

[0005] In some possible embodiments, the bottom of the containing box is provided with a water drain groove and a power taking plate, the power taking plate is arranged at the middle position of the containing box, the power supply assembly is arranged in the containing box and is electrically connected with the power taking plate, a water drain hole is formed in the bottom of the water drain groove, one end of the connecting wire is connected with the power taking plate and penetrates out from the bottom of the containing box, the other end of the connecting wire penetrates into the transverse reinforcing pipe and is connected with the moving assembly / the control handle.

[0006] In some possible embodiments, the moving assembly comprises a driving wheel and a driven wheel, the driving wheel is connected with a driving motor, and the driven wheel is connected to a mounting base which is mounted on the lower end of the telescopic sleeve.

[0007] In some possible embodiments, the other end of the main fixed tube is fixedly connected with a secondary fixed tube, the secondary fixed tube is vertically arranged and its lower end is horizontally bent to form a motor mounting tube, and the driving motor is fixedly mounted on the motor mounting tube.

[0008] In some possible embodiments, the soft cushion assembly comprises a seat cushion, a back cushion and a headrest, the seat cushion is arranged at the upper end of the main fixed tube, the back cushion is swingably hinged to the upper end of the secondary fixed tube, and the headrest is detachably clamped to the upper end of the back cushion.

[0009] In some possible embodiments, a damping rod is further arranged between the back cushion and the secondary fixed tube, an outer side of the back cushion is provided with a back tube, the secondary fixed tube is provided with an outwardly extending mounting segment, and two ends of the damping rod are hingedly connected to the mounting segment and the back tube respectively.

[0010] In some possible embodiments, an armrest is arranged above the main fixed tube, one end of the armrest is fixedly connected with the back tube, and the control handle is mounted at the free end of the armrest.

[0011] Compared with the prior art, the electric wheelchair has the advantages that the electric wheelchair of the utility model is provided with an open upper end containing box outside the fixed frame, the power supply assembly is arranged in the containing box and fixedly installed through the movable buckle, the power supply assembly can be conveniently replaced and charged, and the containing box and the power supply assembly arranged outside the fixed frame do not affect the folding of the vehicle body and are convenient to store and place. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0013] Fig. 1 The three-dimensional structure schematic diagram of the electric wheelchair provided by the utility model embodiment is shown in the figure.

[0014] Fig. 2 The three-dimensional assembly structure schematic diagram of the electric wheelchair provided by the utility model embodiment is shown in the figure.

[0015] Fig. 3The utility model discloses a cross section structure diagram of containing box and power supply assembly part for the embodiment of the utility model provides.

[0016] Explanation of reference numerals: fixed frame 11, main fixed pipe 111, transverse reinforcing pipe 112, vice fixed pipe 113, telescopic sleeve pipe 114, motor installation pipe 115, installation section 116, handrail 117, X type folding frame 12, containing box 13, water drain groove 131, power taking plate 132, water drain hole 133, movable buckle strip 14, cushion 21, back pad 22, headrest 23, damping rod 24, back pipe 25, driving wheel 31, driven wheel 32, driving motor 33, mounting seat 34, control handle 4, power supply assembly 5. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Hereinafter, the terms "first" and "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more features. In the description of the embodiments of the present disclosure, unless otherwise specified, the meaning of "multiple" is two or more.

[0018] Referring to Figs. 1 to 3 The utility model discloses a kind of foldable electric wheelchair shown in the drawing, it includes vehicle body, soft pad assembly, mobile assembly, control handle 4 and power supply assembly 5 are installed on vehicle body, wherein power supply assembly 5 is used to power supply mobile assembly and control handle 4, user can be stopped by control handle 4 control mobile assembly start, to realize mobile travel, vehicle body includes two fixed frame 11 that are arranged at left and right interval, X type folding frame 12 is arranged between two fixed frame 11, vehicle body can make two fixed frame 11 mutually close by X type folding frame 12 to realize folding storage, the outer side of fixed frame 11 is fixedly installed with the containing box 13 of open upper end, power supply assembly 5 is installed in containing box 13 and is connected mobile assembly and control handle 4 by fixed frame 11 internal wiring, the upper end of containing box 13 is provided with detachable movable buckle strip 14, movable buckle strip 14 is used to fix power supply assembly 5 in containing box 13, when disassembling, power supply assembly 5 can be taken out from containing box 13 by only first disassembling movable buckle strip 14, it is convenient to replace and maintain.

[0019] The utility model discloses an electric wheelchair, which is provided with an open-top containing box 13 on the outer side of the fixed frame 11, and the power supply assembly 5 is placed in the containing box 13 and fixedly installed through the movable buckle strip 14, so that the power supply assembly 5 can be conveniently replaced and charged, and the containing box 13 and the power supply assembly 5 arranged on the outer side of the fixed frame 11 do not affect the folding of the vehicle body and are convenient to store and place.

[0020] In some possible embodiments, the fixed frame 11 comprises a main fixed pipe 111 and a transverse reinforcing pipe 112 arranged below the main fixed pipe 111, one end of the main fixed pipe 111 is bent downward and provided with an expansion sleeve 114, the height and / or pitch angle of the vehicle body can be adjusted by adjusting the expansion sleeve 114, one end of the transverse reinforcing pipe 112 is welded and fixed to the bent section of the main fixed pipe 111, and the transverse reinforcing pipe is arranged in the same direction as the main reinforcing pipe, the containing box 13 is connected with the transverse reinforcing pipe 112 through a hoop connection, a clamping connection or a bolted connection, when the vehicle body is folded for storage, the containing boxes 13 / power supply assemblies 5 on both sides are located outside the vehicle body and below the main fixed pipe 111, and do not interfere with the action of relatively close to the two main fixed pipes 111 to complete the folding.

[0021] In some possible embodiments, as shown in Fig. 3 The bottom of the containing box 13 is provided with a ring-shaped water drainage groove 131, a power taking plate 132 is installed at the middle position of the containing box 13, the power taking plate 132 is located above the water drainage groove 131 to avoid the risk of water immersion into the containing box 13 and staining the power taking plate 132 to cause short circuit, the bottom of the water drainage groove 131 is provided with a water drainage hole 133 to drain the immersed water, the power taking plate 132 is electrically connected with the moving assembly and the control handle 4 through a connecting wire, specifically, one end of the connecting wire is connected with the power taking plate 132, then the connecting wire penetrates out from the bottom of the containing box 13 and extends from the side of the containing box 13 after being bent, and finally the connecting wire penetrates into the transverse reinforcing pipe 112 until the moving assembly and the control handle 4 are connected.

[0022] In some possible embodiments, the moving assembly comprises two driving wheels 31 and two driven wheels 32, the driving wheel 31 is connected with a driving motor 33, the driving motor 33 is used for driving the driving wheel 31 to rotate forward and reverse, so as to drive the wheelchair to move forward or backward, the driven wheel 32 is connected to an installation seat 34, the installation seat 34 is rotatably connected to the lower end of the expansion sleeve 114, so that the wheelchair can realize turning.

[0023] In some possible embodiments, the fixed frame 11 further comprises a secondary fixed pipe 113, the secondary fixed pipe 113 is arranged vertically and welded and fixed to the other end of the main fixed pipe 111 and the other end of the transverse reinforcing pipe 112, the lower end of the secondary fixed pipe 113 is bent horizontally and extended to form a motor installation pipe 115, and the driving motor 33 is fixedly installed on the motor installation pipe 115 through a motor installation plate.

[0024] In some possible embodiments, the soft cushion assembly includes a seat cushion 21, a back cushion 22 and a headrest 23, the seat cushion 21 is arranged at the upper end of the main fixed tube 111 to ensure that the user can sit stably on the electric wheelchair, the back cushion 22 is swingably hinged at the upper end of the auxiliary fixed tube 113 to support the back of the human body, and the headrest 23 is detachably clamped with the upper end of the back cushion 22; it should be noted that, in order to ensure that the back cushion 22 can be folded and stored while meeting the function of supporting the back of the human body, two back tubes 25 are arranged outside the back cushion 22, the two back tubes 25 are hingedly connected to the upper ends of the two auxiliary fixed tubes 113, the headrest 23 is detachably connected with the back tubes 25, and when folding and storing, the headrest 23 can be first detached, and when the two fixed frames 11 are relatively close, the seat cushion 21 and the back cushion 22 can be folded and stored by moving the fixed frame 11; in order to improve the riding experience of the user, a damping rod 24 is further arranged between the back cushion 22 and the auxiliary fixed tube 113, specifically, the auxiliary fixed tube 113 is provided with an installation section 116 extending outward, and the two ends of the damping rod 24 are hingedly connected to the installation section 116 and the back tube 25, respectively, when the user leans on the back cushion 22, the damping rod 24 can provide a supporting force for the back cushion 22 / back tube 25 and enable the back cushion 22 to swing forward and backward.

[0025] In some possible embodiments, a handrail 117 is further arranged above the main fixed tube 111, one end of the handrail 117 is fixedly connected with the back tube 25, and the control handle 4 is installed at the free end of the handrail 117, so as to facilitate the user to control the driving motor 33 to start and stop through the control handle 4.

[0026] It should be noted that the power supply assembly 5 of all the above embodiments can adopt a conventional storage battery or a lithium ion supercapacitor to supply power to the driving motor 33.

[0027] The above is only a specific implementation manner of the present application, but the protection scope of the present application is not limited thereto, any change or replacement within the technical scope disclosed in the present application should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A foldable electric wheelchair, comprising a body, wherein a cushion assembly, a moving assembly, a control handle (4), and a power supply assembly (5) are mounted on the body, the power supply assembly (5) supplying power to the moving assembly and the control handle (4), the control handle (4) controlling the starting and stopping of the moving assembly, characterized in that, The vehicle body comprises two fixed frames (11) arranged at left and right sides, an X-shaped folding frame (12) is arranged between the two fixed frames (11), an accommodating box (13) with an open upper end is fixedly installed on the outer side of the fixed frame (11), a movable buckle strip (14) is detachably connected to the upper end of the accommodating box (13), and the power supply assembly (5) is installed in the accommodating box (13) and fixedly connected with the accommodating box (13) through the movable buckle strip (14).

2. The foldable electric wheelchair of claim 1, wherein, The fixed frame (11) comprises a main fixed tube (111) and a transversely arranged reinforcing tube (112), one end of the main fixed tube (111) is downwardly bent and provided with an elastic sleeve (114), and one end of the reinforcing tube (112) is fixed to the bent section of the main fixed tube (111), and the accommodating box (13) is fixedly connected to the reinforcing tube (112).

3. The foldable electric wheelchair of claim 2, wherein, A drain groove (131) and a power taking plate (132) are arranged at the bottom of the accommodating box (13), the power taking plate (132) is arranged at the middle position of the accommodating box (13), the power supply assembly (5) is arranged in the accommodating box (13) and electrically connected with the power taking plate (132), a drain hole (133) is formed at the bottom of the drain groove (131), one end of a connecting wire is connected with the power taking plate (132) and passes out from the bottom of the accommodating box (13), and the other end of the connecting wire passes into the reinforcing tube (112) and is connected with the moving assembly / the control handle (4).

4. The foldable electric wheelchair of claim 2, wherein, The moving assembly comprises a driving wheel (31) and a driven wheel (32), the driving wheel (31) is connected with a driving motor (33), the driven wheel (32) is connected to a mounting seat (34), and the mounting seat (34) is mounted at the lower end of the elastic sleeve (114).

5. The foldable electric wheelchair of claim 4, wherein, The other end of the main fixed tube (111) is fixedly connected with a secondary fixed tube (113), the secondary fixed tube (113) is arranged in a vertical direction, and the lower end of the secondary fixed tube (113) is horizontally bent to form a motor mounting tube (115), and the driving motor (33) is fixedly mounted on the motor mounting tube (115).

6. The foldable electric wheelchair of claim 5, wherein, The soft cushion assembly comprises a seat cushion (21), a back cushion (22) and a headrest (23), the seat cushion (21) is arranged at the upper end of the main fixed tube (111), the back cushion (22) is swingably hinged to the upper end of the secondary fixed tube (113), and the headrest (23) is detachably clamped to the upper end of the back cushion (22).

7. The foldable electric wheelchair of claim 6, wherein, A damping rod (24) is further arranged between the back cushion (22) and the secondary fixed tube (113), a back tube (25) is arranged on the outer side of the back cushion (22), an installation section (116) extending outwardly is arranged on the secondary fixed tube (113), and the two ends of the damping rod (24) are hingedly connected to the installation section (116) and the back tube (25) respectively.

8. The foldable electric wheelchair of claim 7, wherein, An armrest (117) is arranged above the main fixed tube (111), one end of the armrest (117) is fixedly connected with the back tube (25), and the control handle (4) is mounted at the free end of the armrest (117).

Images