CN214343004U

CN214343004U - Folding wheelchair

Info

Publication number: CN214343004U
Application number: CN202022223853.5U
Authority: CN
Inventors: 陈小柏
Original assignee: Shenzhen Zhiwei Health Technology Co ltd
Current assignee: Shenzhen Zhiwei Health Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-10-08
Anticipated expiration: 2030-09-30

Abstract

The utility model belongs to the technical field of the electronic wheelchair technique and specifically relates to indicate a folding wheelchair, it includes the wheelchair body, sets up at the fore-stock of wheelchair body front end and the fixed after-poppet that sets up in the fore-stock rear end, the wheelchair body includes back support and seat support, the back support with the fore-stock rotates to be connected, the seat support rotates with the fore-stock to be connected, the both sides of back support lower extreme rotate through the top both sides of folding subassembly with the fore-stock respectively and are connected, still be provided with control assembly on the back support, control assembly is used for the linkage folding subassembly is in order to be used for controlling opening or locking of folding subassembly. The utility model discloses a realize the locking of back support, difficult not hard up, the structure is reliable, the utility model discloses novel structure, design benefit makes things convenient for manual operation to realize folding, effectively reduces the utility model discloses a volume, be convenient for accomodate and carry.

Description

Folding wheelchair

Technical Field

The utility model relates to the technical field of electric wheelchairs, in particular to a folding wheelchair.

Background

In the manufacturing process of the electric wheelchair, a rocker for the electric wheelchair is required to be installed and used for controlling the advancing and steering of the wheelchair, the rocker for the electric wheelchair is generally arranged in a base and rotates 360 degrees in the base, and in the existing rocker device for the electric wheelchair, most of rocker structures are complex and inconvenient to use; in addition, most rocker structures have exposed rocker bodies, are easily corroded and polluted by the outside and have unreliable structures.

Disclosure of Invention

The utility model discloses problem to prior art provides a folding wheelchair, realizes the locking of back support, and is difficult not hard up, and the structure is reliable, the utility model discloses novel structure, design benefit makes things convenient for manual operation to realize folding, effectively reduces the utility model discloses a volume, be convenient for accomodate and carry.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a folding wheelchair, which comprises a wheelchair body, a front bracket arranged at the front end of the wheelchair body and a rear bracket fixedly arranged at the rear end of the front bracket, the two sides of the front bracket are both rotatably provided with front rotating wheels, the two sides of the rear bracket are both rotatably provided with rear rotating wheels, the wheelchair body comprises a backrest bracket and a seat bracket, the backrest bracket is rotationally connected with the front bracket, the lower end of the backrest support is connected with a rear rotating arm, the lower end of the rear rotating arm is rotationally connected with a rear support through a rear rotating shaft, the seat support is rotationally connected with the front support, two sides of the lower end of the backrest support are respectively rotationally connected with two sides of the top end of the front support through folding components, the backrest support is further provided with a control assembly, and the control assembly is used for linking the folding assembly to control the folding assembly to be opened or locked.

The folding assembly comprises a left rotating shell, a right rotating shell, a limiting plate and a movable block, wherein a clamping body is convexly arranged on one side, close to the limiting plate, of the movable block, the limiting plate is provided with a plurality of limiting holes matched with the clamping body, the limiting plate is installed in the left rotating shell, the limiting plate is arranged at the top end of a front support, the movable block is installed in the right rotating shell, an elastic resetting piece is connected between the movable block and the inner wall of the right rotating shell, the movable block is driven to be close to the limiting plate under the action of the elastic resetting piece so that the clamping body is clamped in the limiting holes, the left rotating shell is rotatably connected with the right rotating shell, and the left rotating shell is detachably installed with the right rotating shell through the matching of a bolt and a nut;

the control assembly comprises a pressing block and two pull ropes; one end of each of the two pull ropes is connected with the pressing block, and the other end of each of the two pull ropes is connected with the movable blocks of the two folding assemblies on the two sides of the lower end of the backrest support respectively; two stay cords all are located inside the back support.

The rear support extends to form an extension arm, the tail end of the extension arm is rotatably provided with an auxiliary rotating wheel, and the front support is provided with a supporting pedal.

Wherein, the wheelchair body is provided with armrests, the front end of one of the armrests is provided with a support part, and the support part is provided with a rocker mechanism; the armrest is rotatably connected with the backrest support;

the rocker mechanism comprises a rocker body, a mounting shell and a control circuit board, wherein a spherical ball part is arranged at the lower end of the rocker body, a spherical cavity for accommodating the ball part is arranged in the mounting shell, and the swinging of the rocker can drive the ball part to move in the spherical cavity; the lower end of the sphere part is provided with a magnetic part, and the control circuit board is matched with the magnetic part to generate and output a movement direction signal of the electric wheelchair according to the change condition of a magnetic field generated by the magnetic part when the rocker body is operated; an insulating protective shell is arranged on the periphery of the rocker body;

the front side and the rear side of the spherical part are both provided with limiting grooves, the two sides of the inner wall of the spherical cavity are both provided with limiting convex shafts matched with the limiting grooves, and the limiting convex shafts slide in the limiting grooves.

The upper end of the mounting shell is buckled with an upper cover, the lower end of the mounting shell is provided with a mounting groove, the control circuit board is arranged in the mounting groove, and the mounting groove is communicated with the spherical cavity; the lower end of the mounting shell is detachably connected with a bottom cover, the bottom cover is provided with an opening, the control circuit board is provided with an electric connector, and the electric connector is exposed to the opening.

The upper end face of the mounting shell is provided with a plurality of buckling grooves in an evenly-spaced mode, the lower end face of the upper cover is provided with a plurality of buckling blocks in an evenly-spaced mode, and the buckling blocks are matched and buckled with the buckling grooves.

The inner wall of the mounting groove is provided with a plurality of positioning blocks in an equally spaced mode, and the outer edge of the control circuit board is provided with a plurality of positioning grooves matched with the positioning blocks in an equally spaced mode.

The corner of the mounting shell is provided with mounting holes; the lower extreme of installation shell is provided with protruding ring portion, the bottom is provided with the concave station, the concave station cover is located protruding ring portion.

The insulation protection shell comprises a middle silica gel shell, the lower end of the middle silica gel shell is sleeved on the periphery of the upper cover, and the outer wall of the middle silica gel shell is arranged in a wavy manner from top to bottom;

the insulating protective housing still includes insulating handle, insulating handle cover is located the upper end of rocker body.

The rocker mechanism further comprises a reset assembly, the reset assembly comprises an upper rod sleeve, a lower rod sleeve and a spring, the upper rod sleeve is fixedly sleeved on the periphery of the rocker body in a fixed mode, the spring is movably sleeved on the periphery of the rocker body in a sleeved mode, the lower rod sleeve is sleeved on the lower end of the rocker body in a sliding mode, the upper end of the spring is fixedly connected with the upper rod sleeve, and the lower end of the spring is connected with the lower rod sleeve; the upper end face of the upper cover is provided with a through hole, the cross section of the through hole is in a trapezoidal arrangement, the lower rod sleeve is accommodated in the through hole, the cross section of the lower rod sleeve is in a trapezoidal arrangement, and the lower rod sleeve is in matched butt joint with the inner wall of the through hole.

The utility model has the advantages that:

the utility model discloses realize the locking of back support, difficult not hard up, the structure is reliable, the utility model discloses novel structure, design benefit makes things convenient for manual operation to realize folding, effectively reduces the utility model discloses a volume, be convenient for accomodate and carry.

Drawings

Fig. 1 is a schematic structural view of a foldable wheelchair of the present invention.

Fig. 2 is a schematic view of a part of the structure of the backrest support, the armrests, the seat support, the rear rotating arm, the rear rotating shaft and the front support of the present invention.

Fig. 3 is a schematic structural diagram of the cooperation of the control assembly and the folding assembly of the present invention.

Fig. 4 is a partial exploded view of the present invention.

Fig. 5 is a schematic structural diagram of the rocker mechanism of the present invention.

Fig. 6 is an exploded view of the rocker mechanism of the present invention.

Fig. 7 is an exploded view of another perspective of the rocker mechanism of the present invention.

The reference numerals in fig. 1 to 7 include:

1. a rocker body; 2. mounting a shell; 3. a control circuit board; 4. a spherical portion; 5. a spherical cavity; 6. a magnetic member; 7. a limiting groove; 8. a limit convex shaft; 9. an upper cover; 10. mounting grooves; 11. a wheelchair body; 12. a bottom cover; 13. an opening; 14. an electrical connector; 15. buckling grooves; 16. buckling blocks; 17. Positioning blocks; 18. positioning a groove; 19. mounting holes; 20. a convex ring part; 21. a concave platform; 22. a middle silica gel shell; 23. an insulating handle; 24. a rod sleeve is arranged; 25. a lower rod sleeve; 26. a spring; 27. a through hole; 28. a front bracket; 29. a rear bracket; 30. a front runner; 31. a rear rotating wheel; 32. a handrail; 33. a support member; 34. a rocker mechanism; 35. a support pedal; 36. an extension arm; 37. an auxiliary runner; 38. a backrest support; 39. a seat support; 40. a rear swing arm; 41. a folding assembly; 42. a control component; 43. a left turn shell; 44. a right turn housing; 45. a limiting plate; 46. A movable block; 47. a card body; 48. a limiting hole; 49. an elastic reset member; 50. a pressing block; 51. And pulling a rope.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. It is to be understood that the drawings are designed solely for the purposes of illustration and description and not as a definition of the limits of the invention. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; either mechanically or electrically, and may be internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

It should be further noted that 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 the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific 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.

A folding wheelchair is shown in figures 1 to 7 and comprises a wheelchair body 11, a front bracket 28 arranged at the front end of the wheelchair body 11 and a rear bracket 29 fixedly arranged at the rear end of the front bracket 28, wherein front wheels 30 are rotatably arranged on two sides of the front bracket 28, and rear wheels 31 are rotatably arranged on two sides of the rear bracket 29; the wheelchair body 11 includes back support and seat support, the back support with fore-stock 28 rotates and connects, the lower extreme of back support is connected with the back rotor arm, and the lower extreme of back rotor arm rotates with fore-stock 29 through the back pivot to be connected, the middle part and the fore-stock 28 of seat support rotate to be connected, the rear end of seat support with the back rotor arm rotates to be connected, the back support rotates through the top of folding subassembly with fore-stock 28 to be connected, still be provided with control assembly on the back support, control assembly is used for the linkage folding subassembly is in order to be used for controlling opening or locking of folding subassembly.

Specifically, the backrest support is rotatably connected with the front support 28, the arrangement of the rear rotating arm and the rear rotating shaft facilitates the backrest support to rotate relative to the rear support 29, the middle part of the seat support is rotatably connected with the front support 28, and the rear end of the seat support is rotatably connected with the rear rotating arm, so that the backrest support and the seat support are conveniently folded on the front support 28; when folding, operating personnel is through controlling control assembly for folding assembly opens, and the relative rotation of the back support of being convenient for and fore-stock 28 realizes folding, when needs locking back support and fore-stock 28, loosens control assembly, folding assembly locking realize the locking of back support on fore-stock 28, difficult not hard up, and the structure is reliable, the utility model discloses novel structure, design benefit makes things convenient for manual operation to realize folding, effectively reduces the utility model discloses a volume, convenient to accomodate and carry.

The folding wheelchair comprises a left rotating shell, a right rotating shell, a limiting plate and a movable block, wherein a clamping body is convexly arranged on one side, close to the limiting plate, of the movable block, the limiting plate is provided with a plurality of limiting holes matched with the clamping body, the limiting plate is installed in the left rotating shell, the limiting plate is arranged at the top end of a front support, the movable block is installed in the right rotating shell, an elastic resetting piece is connected between the movable block and the inner wall of the right rotating shell, the movable block is driven to be close to the limiting plate under the action of the elastic resetting piece to enable the clamping body to be clamped in the limiting holes, the left rotating shell is rotatably connected with the right rotating shell, and the left rotating shell is detachably installed with the right rotating shell through the matching of a bolt and a nut;

the control assembly comprises a pressing block and two pull ropes; one end of each of the two pull ropes is connected with the pressing block, and the other end of each of the two pull ropes is connected with the movable blocks of the two folding assemblies on the two sides of the lower end of the backrest support respectively; the pressing block is arranged on the back of the backrest bracket in a sliding manner; two stay cords all are located inside the back support.

Specifically, when the backrest support is locked with the front support 28, namely the clamping body of the movable block is clamped in one of the limiting holes of the limiting plate, locking is realized, looseness is not easy to occur, and stability is good; when the folding backrest is required, an operator can press or push the pressing block to enable one end of the pull rope to retract into the pressing block, the movable block is pulled by the pull rope to lift, at the moment, the elastic reset piece is compressed and can be a spring, when the elastic reset piece is compressed, the clamping body exits from the limiting hole, at the moment, the backrest support and the seat support can be rotated to realize the folding of the backrest support and the seat support relative to the front support 28, the folding backrest is simple to operate, after the folding is in place, the clamping body is aligned with the corresponding limiting hole, the pressing block is released, the clamping body is clamped into the corresponding limiting hole, the locking is realized, the folding is ensured, and the folding backrest is stable in structure and not easy to loosen; when the pull rope needs to be opened, the pressing block is pressed or pushed in the same way to enable the pull rope to work, and the pull rope is simple to operate and convenient to use.

In the foldable wheelchair of the present embodiment, the wheelchair body 11 is provided with armrests 32, a support 33 is provided at the front end of one of the armrests 32, the support 33 is provided with a rocker mechanism 34, and the front bracket 28 is provided with a support pedal 35; the armrest 32 is rotatably connected with the backrest support; facilitating folding of the armrest 32;

the rocker mechanism 34 comprises a rocker body 1, a mounting shell 2 and a control circuit board 3, wherein a spherical sphere part 4 is arranged at the lower end of the rocker body 1, a spherical cavity 5 for accommodating the sphere part 4 is arranged in the mounting shell 2, and the sphere part 4 can be driven to move in the spherical cavity 5 by the swinging of the rocker; the lower end of the sphere part 4 is provided with a magnetic part 6, and the control circuit board 3 is matched with the magnetic part 6 to generate and output a movement direction signal of the electric wheelchair according to the change condition of a magnetic field generated by the magnetic part 6 when the rocker body 1 is operated; an insulating protective shell is arranged on the periphery of the rocker body 1.

Specifically, in the utility model, the support pedal 35 facilitates the placement of the feet of the user, improves the comfort of the user, the armrest 32 facilitates the placement of the hands of the user, and the wheelchair body 11 is provided with a cotton pad, which improves the comfort of the user when sitting down; the rocker mechanism 34 is arranged, the structure is novel, the design is ingenious, and the rocker 5 is matched with the sphere part 4, so that when the rocker body 1 is operated, the rocker rotates along the circle center of the sphere part 4, the sphere part 4 is restrained in the space by the sphere cavity 5, the rocker is not easy to fall off, and the structure is reliable; in addition, the control circuit board 3 based on the hall principle is arranged, wherein the control circuit board 3 is provided with a hall sensor which is matched with the magnetic part 6, the magnetic change generated by the movement of the magnetic part 6 is converted into a movement direction signal of the wheelchair body 11, and the rocker mechanism 34 drives the movement of the wheelchair body 11 through the movement direction signal of the wheelchair body 11; further, this embodiment is provided with the insulating protective housing, can protect rocker body 1, avoids external pollution or corruption, and the structure is reliable, convenient to use.

In the folding wheelchair of the embodiment, the rear bracket 29 is provided with an extension arm 36 in an extending way, and the tail end of the extension arm 36 is provided with an auxiliary rotating wheel 37 in a rotating way. Specifically, the above arrangement makes the wheelchair body 11 more stable when moving.

In the folding wheelchair of this embodiment, both sides all are provided with spacing recess 7 around the spheroid portion 4, the inner wall both sides of spherical cavity 5 all be provided with spacing protruding axle 8 of spacing recess 7 complex, spacing protruding axle 8 slide in spacing recess 7. Particularly, the rocker body 1 can move forwards, backwards, leftwards and rightwards conveniently through the arrangement, the structure is simplified, and the installation is more convenient.

In the foldable wheelchair of the embodiment, the upper end of the mounting shell 2 is buckled with the upper cover 9, the lower end of the mounting shell 2 is provided with a mounting groove 10, the control circuit board 3 is arranged in the mounting groove 10, and the mounting groove 10 is communicated with the spherical cavity 5; a bottom cover 12 is detachably connected to the lower end of the mounting shell 2, the bottom cover 12 is provided with an opening 13, the control circuit board 3 is provided with electrical connectors 14, and the electrical connectors 14 are exposed to the opening 13. Specifically, the installation is convenient to assemble and disassemble, the installation groove 10 is communicated with the spherical cavity 5, and the control circuit board 3 is convenient to convert the magnetic change generated by the movement of the magnetic part 6 into a movement direction signal of the electric wheelchair; wherein, the electric connector 14 is convenient for the utility model to be assembled with the wheelchair body 11 to control the wheelchair body 11.

In the foldable wheelchair of this embodiment, the equal-spacing ring on the upper end surface of the mounting shell 2 is provided with a plurality of fastening grooves 15, the equal-spacing ring on the lower end surface of the upper cover 9 is provided with a plurality of fastening blocks 16, and the fastening blocks 16 are matched with the fastening grooves 15 for fastening. Specifically, the fastening block 16 is fastened to the fastening groove 15, so that the upper cover 9 and the mounting shell 2 are assembled together conveniently.

In the foldable wheelchair of this embodiment, the inner wall of the mounting groove 10 is provided with a plurality of positioning blocks 17 at equal intervals, and the outer edge of the control circuit board 3 is provided with a plurality of positioning grooves 18 at equal intervals, which are matched with the positioning blocks 17. Specifically, the control circuit board 3 is convenient to mount through the arrangement, and the mounting accuracy of the control circuit board 3 is guaranteed.

In the foldable wheelchair of the present embodiment, the corners of the mounting shell 2 are provided with mounting holes 19. Specifically, the installation holes 19 are arranged to facilitate the assembly of the installation shell 2 with the wheelchair body 11 through screws.

In the foldable wheelchair of this embodiment, the lower end of the mounting shell 2 is provided with a convex ring portion 20, the bottom cover 12 is provided with a concave platform 21, and the convex ring portion 20 is sleeved with the concave platform 21. In particular, the above arrangement facilitates the assembly of the bottom cover 12 and the mounting case 2, and preferably, the corners of the bottom cover 12 are provided with through holes, which are arranged corresponding to the mounting holes 19.

According to the folding wheelchair, the insulation protection shell comprises a middle silica gel shell 22, the lower end of the middle silica gel shell 22 is sleeved on the periphery of the upper cover 9, and the outer wall of the middle silica gel shell 22 is arranged in a wavy manner from top to bottom; the insulation protection shell further comprises an insulation handle 23, and the insulation handle 23 is sleeved at the upper end of the rocker body 1. Specifically, insulating handle 23 and middle part silica gel shell 22 all play anticorrosion, anti-pollution effect, make things convenient for operating personnel to use, the outer wall of middle part silica gel shell 22 is wavy setting from last to down, conveniently produces deformation, adapts to the swing of rocker body 1.

In the foldable wheelchair of this embodiment, the rocker mechanism 34 further includes a reset assembly, the reset assembly includes an upper rod sleeve 24, a lower rod sleeve 25 and a spring 26, the upper rod sleeve 24 is fixedly sleeved on the periphery of the rocker body 1, the spring 26 is movably sleeved on the periphery of the rocker body 1, the lower rod sleeve 25 is slidably sleeved on the lower end of the rocker body 1, the upper end of the spring 26 is fixedly connected with the upper rod sleeve 24, and the lower end of the spring 26 is connected with the lower rod sleeve 25; the up end of upper cover 9 is provided with through-hole 27, the cross-section of through-hole 27 is trapezoidal setting, lower beam sleeve 25 hold establish in through-hole 27, lower beam sleeve 25's cross-section is trapezoidal setting, lower beam sleeve 25 with the inner wall cooperation butt of through-hole 27. Particularly, the arrangement facilitates the reset of the rocker body 1 and the shaking of the rocker body 1, and the rocker is convenient to use and compact in structure.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a folding wheelchair, includes wheelchair body, sets up at the fore-stock of wheelchair body front end and the fixed after-poppet that sets up in the fore-stock rear end, the both sides of fore-stock all rotate and are provided with preceding runner, the both sides of after-poppet all rotate and are provided with back runner, its characterized in that: the wheelchair body includes back support and seat support, the back support with the fore-stock rotates to be connected, the lower extreme of back support is connected with back rotor arm, and the lower extreme of back rotor arm rotates with the rear bracket through the back pivot to be connected, the seat support rotates with the fore-stock to be connected, the both sides of back support lower extreme rotate through the top both sides of folding subassembly with the fore-stock respectively and are connected, still be provided with control assembly on the back support, control assembly is used for the linkage folding subassembly is in order to be used for controlling opening or locking of folding subassembly.

2. A folding wheelchair in accordance with claim 1, wherein: the folding assembly comprises a left rotating shell, a right rotating shell, a limiting plate and a movable block, wherein a clamping body is convexly arranged on one side, close to the limiting plate, of the movable block, the limiting plate is provided with a plurality of limiting holes matched with the clamping body, the limiting plate is arranged in the left rotating shell, the limiting plate is arranged at the top end of a front support, the movable block is arranged in the right rotating shell, an elastic resetting piece is connected between the movable block and the inner wall of the right rotating shell, the movable block is driven to be close to the limiting plate under the action of the elastic resetting piece so that the clamping body is clamped in the limiting holes, the left rotating shell is rotatably connected with the right rotating shell, and the left rotating shell is detachably mounted with the right rotating shell through the matching of a bolt and a nut; the control assembly comprises a pressing block and two pull ropes; one end of each of the two pull ropes is connected with the pressing block, and the other end of each of the two pull ropes is connected with the movable blocks of the two folding assemblies on the two sides of the lower end of the backrest support respectively; two stay cords all are located inside the back support.

3. A folding wheelchair in accordance with claim 1, wherein: the rear support extends and is provided with an extension arm, the tail end of the extension arm rotates and is provided with an auxiliary rotating wheel, and the front support is provided with a supporting pedal.

4. A folding wheelchair in accordance with claim 1, wherein: the wheelchair body is provided with armrests, the front end of one of the armrests is provided with a support piece, and the support piece is provided with a rocker mechanism; the armrest is rotatably connected with the backrest support;

the rocker mechanism comprises a rocker body, a mounting shell and a control circuit board, wherein a spherical ball part is arranged at the lower end of the rocker body, a spherical cavity for accommodating the ball part is arranged in the mounting shell, and the swinging of the rocker can drive the ball part to move in the spherical cavity;

the lower end of the sphere part is provided with a magnetic part, and the control circuit board is matched with the magnetic part to generate and output a movement direction signal of the electric wheelchair according to the change condition of a magnetic field generated by the magnetic part when the rocker body is operated; an insulating protective shell is arranged on the periphery of the rocker body;

5. A folding wheelchair in accordance with claim 4, wherein: the upper end of the mounting shell is buckled with an upper cover, the lower end of the mounting shell is provided with a mounting groove, the control circuit board is arranged in the mounting groove, and the mounting groove is communicated with the spherical cavity; the lower end of the mounting shell is detachably connected with a bottom cover, the bottom cover is provided with an opening, the control circuit board is provided with an electric connector, and the electric connector is exposed to the opening.

6. A folding wheelchair in accordance with claim 5, wherein: the equal-spacing ring of the upper end surface of the mounting shell is provided with a plurality of buckling grooves, the equal-spacing ring of the lower end surface of the upper cover is provided with a plurality of buckling blocks, and the buckling blocks are matched and buckled with the buckling grooves.

7. A folding wheelchair in accordance with claim 5, wherein: the inner wall of mounting groove is equipped with a plurality of locating pieces with the equidistant ring, the outer fringe of control circuit board is provided with a plurality of constant head tanks with locating piece complex at the equidistant.

8. A folding wheelchair in accordance with claim 5, wherein: mounting holes are formed in the corners of the mounting shell; the lower extreme of installation shell is provided with protruding ring portion, the bottom is provided with the concave station, the concave station cover is located protruding ring portion.

9. A folding wheelchair in accordance with claim 5, wherein: the insulation protection shell comprises a middle silica gel shell, the lower end of the middle silica gel shell is sleeved on the periphery of the upper cover, and the outer wall of the middle silica gel shell is arranged in a wavy manner from top to bottom;

10. A folding wheelchair in accordance with claim 5, wherein: the rocker mechanism further comprises a reset assembly, the reset assembly comprises an upper rod sleeve, a lower rod sleeve and a spring, the upper rod sleeve is fixedly sleeved on the periphery of the rocker body in a fixed mode, the spring is movably sleeved on the periphery of the rocker body in a sleeved mode, the lower rod sleeve is sleeved on the lower end of the rocker body in a sliding mode, the upper end of the spring is fixedly connected with the upper rod sleeve, and the lower end of the spring is connected with the lower rod sleeve; the upper end face of the upper cover is provided with a through hole, the cross section of the through hole is in a trapezoidal arrangement, the lower rod sleeve is accommodated in the through hole, the cross section of the lower rod sleeve is in a trapezoidal arrangement, and the lower rod sleeve is in matched butt joint with the inner wall of the through hole.