CN209847623U - Electric wheelchair controller and electric wheelchair - Google Patents

Abstract

The embodiment of the utility model relates to an electric wheelchair controller and an electric wheelchair, which comprises a controller body and a display component; the display assembly is rotatably connected to the controller body; the display assembly comprises an upper display screen shell, a display screen and a lower display screen shell, and the upper display screen shell is fixedly connected with the lower display screen shell; the controller body comprises a body lower shell and a body upper shell, and the body upper shell is fixedly connected with the body lower shell. The display screen of the electric wheelchair controller can be adjusted in angle, and user experience is good.

Description

Electric wheelchair controller and electric wheelchair

Technical Field

The utility model belongs to the technical field of the wheelchair, concretely relates to electronic wheelchair controller and electronic wheelchair.

Background

Electronic wheelchair controller among the prior art generally sets up in wheelchair handrail the place ahead, and the controller outwards just extends upwards to one side, and the controller display screen is fixed motionless, and the display screen angle can not be adjusted, and the controller interface that charges sets up in the controller bottom towards the place ahead. Because the angle of the display screen can not be adjusted, the problem that the display content can not be seen clearly due to the angle of the display screen under the irradiation of outdoor sunlight can occur; due to the requirements of hardware and angles, the controller with the display screen is longer than the controller without the display screen, so that the difficulty of the wheelchair entering a table or a wash basin is increased; the display screen is easy to be collided to cause fragmentation; the charging interface is exposed on the outer side, sundries can easily enter the charging interface, and the condition that a user operates the wheelchair in a charging state due to carelessness exists, so that potential safety hazards are increased.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above technical problems, an embodiment of the present invention provides an electric wheelchair controller, which includes a controller body (10) and a display assembly (11); the display component (11) is rotatably connected to the controller body (10); the display assembly (11) comprises an upper display screen shell (12), a display screen (13) and a lower display screen shell (14), and the upper display screen shell (12) is fixedly connected with the lower display screen shell (14); the controller body (10) comprises a body lower shell (101) and a body upper shell (102), and the body upper shell (102) is fixedly connected with the body lower shell (101).

Furthermore, a first rotating shaft (21) and a second rotating shaft (22) which are opposite to each other are fixedly extended inwards and protrude from the two transverse sides of the inner side of the lower part of the display screen lower shell (14) close to the tail end of the lower part of the display screen lower shell (14); the display module comprises a machine body lower shell (101), wherein a first end of the machine body lower shell (101) extends upwards to form a connecting portion (103), a display module (11) is connected with the connecting portion (103) in a rotating mode, a first collar (51) of a partial annular structure and a second collar (52) of a partial annular structure are arranged on two transverse sides of the connecting portion (103) respectively, the first collar (51) and the second collar (52) extend backwards and upwards from the lower side of the connecting portion (103) respectively, a first rotating shaft (21) is rotatably arranged on the first collar (51), and a second rotating shaft (22) is rotatably arranged on the second collar (52).

Further, the first rotating shaft (21) and the second rotating shaft (22) are both in an annular structure or a partial annular structure, and the lower surfaces of the first rotating shaft (21) and the second rotating shaft (22) are both cambered surfaces.

Further, first pivot (21) and second pivot (22) all are partial ring structure, and the horizontal both sides of the lower part of display screen epitheca (12) extend to the inboard respectively and protrudingly be provided with third pivot (23) with the partial ring structure that first pivot (21) of partial ring structure correspond to and, fourth pivot (24) with the partial ring structure that second pivot (22) of partial ring structure correspond, the upper surface of third pivot (23) and fourth pivot (24) is the cambered surface.

Further, the horizontal both sides of display screen inferior valve (14) lower part are respectively to the inboard protrusion fixed first part annular portion (31) and second part annular portion (32) of extending, first pivot (21) protrusion sets up on first part annular portion (31), second pivot (22) protrusion sets up on second part annular portion (32), the lower surface of first part annular portion (31) and second part annular portion (32) is the cambered surface.

Furthermore, the horizontal both sides of display screen epitheca (12) lower part are respectively to inboard extension protruding fixed be provided with first part annular portion (31) corresponding third part annular portion (33), and, with second part annular portion (32) corresponding fourth part annular portion (34), the upper surface of third part annular portion (33) and fourth part annular portion (34) is the cambered surface, third pivot (23) are protruding to be set up on third part annular portion (33), fourth pivot (24) are protruding to be set up on fourth part annular portion (34).

Further, the upper machine body shell (102) comprises an arc-shaped shell (104) which is arranged corresponding to the connecting portion (103) of the lower machine body shell (101), the width of the arc-shaped shell (104) is approximately the same as the width between the third partial annular portion (33) and the fourth partial annular portion (34), and the arc-shaped shell (104) covers the third rotating shaft (23) and the fourth rotating shaft (24).

Further, a spacing portion (53) is formed between the first collar (51) and the second collar (52), and the width of the spacing portion (53) is the same as the width between the first rotating shaft (21) and the second rotating shaft (22).

Furthermore, the spacing part (53) comprises a wall (105) which is approximately vertical to the bottom surface of the machine body lower shell (101) and extends upwards, and a charging interface hole (106) is formed in the middle of the wall (105) and used for exposing a charging interface of a charging device (107).

Further, the lower part of the display screen lower shell (14) is provided with: and in the state that the display component (11) is turned outwards, the lower part of the lower display screen shell (14) shields at least one part of the charging interface.

Further, the controller further comprises an operating lever (50) for controlling the movement direction of the wheelchair, the operating lever (50) is arranged on the controller body (10), the upper surface of the body upper shell (102) comprises a first area and a second area, the display component (11) can cover the first area in a closed mode, and the upper end of the operating lever extends to the upper portion of the outside of the body from an opening formed in the second area of the body upper shell (102).

The embodiment of the utility model also provides an electronic wheelchair, its characterized in that, including one of above-mentioned electronic wheelchair controller.

The utility model discloses beneficial effect of embodiment: the embodiment of the utility model provides a wheelchair controller, display screen can angle regulation, when sunshine shines, can select suitable demonstration angle, makes the demonstration content clear.

Drawings

FIG. 1 is an oblique view of a wheelchair controller display screen assembly in a first viewing angle in an open state according to an embodiment of the present invention;

FIG. 2 is a first perspective oblique view of a wheelchair controller display screen assembly in a closed state in accordance with an embodiment of the present invention;

FIG. 3 is a second perspective oblique view of the wheelchair controller in an open position of the display screen assembly;

FIG. 4 is a second perspective oblique view of a wheelchair controller display screen assembly in a closed position in accordance with an embodiment of the present invention;

FIG. 5 is a side view of a wheelchair controller display screen assembly in an open position as provided in an embodiment of the present invention;

FIG. 6 is a side view of a wheelchair controller display screen assembly in a closed position as provided in an embodiment of the present invention;

FIG. 7 is an exploded view of a first perspective of a wheelchair controller in accordance with an embodiment of the present invention;

fig. 8 is an exploded view of a second perspective of the wheelchair controller according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the present invention is not limited to the drawings and the following embodiments.

Referring to fig. 1 to 8, the present embodiment provides an electric wheelchair controller, which includes a controller body 10, a display assembly 11, and a plurality of control components; the display module 11 is rotatably connected to the controller body 10, and a first control part of the plurality of control parts is disposed at one end of the rotating connection portion of the controller body 10 and the display module 11, the present invention can also be implemented as a second control part of the plurality of control parts is disposed at the other end of the rotating connection portion, that is, the control parts on the rotating connection portion are not limited to one.

The display assembly 11 comprises an upper display screen shell 12, a display screen 13 and a lower display screen shell 14, wherein the display screen 13 is fixed on the lower display screen shell 14, and the upper display screen shell 12 is fixedly connected with the lower display screen shell 14; the inner surface of the lower portion of the display screen lower case 14 is substantially curved, and the lower portion of the display screen lower case 14 is curved to extend inward, and those skilled in the art will understand that "inward" refers to the side having the display screen.

Close to the end of the lower part of the lower display screen shell 14, a first rotating shaft 21 and a second rotating shaft 22 which are opposite are fixedly arranged on the two transverse sides of the inner side of the lower display screen shell 14 in a protruding mode and extend inwards respectively, and the first rotating shaft 21 and the second rotating shaft 22 are arranged at intervals. The term "close" means that there is a certain distance between the axes of the first rotating shaft 21 and the second rotating shaft 22 and the projection of the lower end of the display screen lower case 14 in the longitudinal direction of the display screen lower case 14.

The first rotating shaft 21 and the second rotating shaft 22 are in annular or partial annular structures, and the lower surfaces of the first rotating shaft 21 and the second rotating shaft 22 are both cambered surfaces. The first shaft 21 of the annular or partly annular configuration constitutes a support for the first control member.

More preferably, the two lateral sides of the lower portion of the lower display screen shell 14 respectively extend inwards to fixedly form a first partial annular portion 31 and a second partial annular portion 32, the first rotating shaft 21 is arranged on the first partial annular portion 31 in a protruding manner, the second rotating shaft 22 is arranged on the second partial annular portion 32 in a protruding manner, and the lower surfaces of the first partial annular portion 31 and the second partial annular portion 32 are both arc surfaces.

The first partial annular portion 31 and the second partial annular portion 32 each have a double-layer hollow structure; near the lower end of the lower display screen case 14, a first rotation shaft 21 of a ring or partial ring structure is protrudingly provided on the inner layer of the first partial ring portion 31, and a second rotation shaft 22 of a ring or partial ring structure is protrudingly provided on the inner layer of the second partial ring portion 32.

The display screen upper shell 12 is fixedly connected to the display screen lower shell 14, a hollowed opening is correspondingly formed in the upper portion of the display screen upper shell 12 and the display screen 13 and used for exposing the display screen, and a transparent body can be arranged at the opening to protect the display screen.

Preferably, the two lateral sides of the lower portion of the display screen upper shell 12 are respectively extended inwards to fixedly and protrudingly form a third rotating shaft 23 with a partial ring structure corresponding to the first rotating shaft 21 with a partial ring structure, and a partial ring-shaped fourth rotary shaft 24 corresponding to the partial ring-shaped second rotary shaft 22, the upper surfaces of the third rotating shaft 23 and the fourth rotating shaft 24 are cambered surfaces, the radiuses of the first rotating shaft 21 and the third rotating shaft 23 are the same, the radiuses of the second rotating shaft 22 and the fourth rotating shaft 24 are the same, the upper surface of at least the inner side of the first rotating shaft 21 is correspondingly connected with the lower surface of at least the inner side of the third rotating shaft 23, the upper surface of at least the inner side of the second rotating shaft 22 is correspondingly connected with the lower surface of at least the inner side of the fourth rotating shaft 24, therefore, after the rotating shafts of the partial annular structures of the upper display screen shell 12 and the lower display screen shell 14 are connected, the rotating shafts are combined to form a rotating shaft structure of the display screen assembly; the first rotating shaft 21 of the partial ring structure and the third rotating shaft 23 of the partial ring structure are combined to form a containing part for containing the first control component.

The outer layer of the first partial annular part 31 is provided with an opening 311 having the same axial lead as the first rotating shaft 21 of the partial annular structure, the outer layer of the third partial annular part 33 is provided with an opening 331 having the same axial lead as the third rotating shaft 23 of the partial annular structure, and the opening 311 of the outer layer of the first partial annular part 31 and the opening 331 of the outer layer of the third partial annular part 33 are combined to form a hole through which the first control component passes.

More preferably, the two lateral sides of the lower portion of the display screen upper shell 12 extend inward to fixedly extend to form a third partial annular portion 33 corresponding to the first partial annular portion 31 and a fourth partial annular portion 34 corresponding to the second partial annular portion 32, the upper surfaces of the third partial annular portion 33 and the fourth partial annular portion 34 are arc surfaces, the third rotating shaft 23 is arranged on the third partial annular portion 33 in a protruding manner, the fourth rotating shaft 24 is arranged on the fourth partial annular portion 34 in a protruding manner, the upper surface of the first partial annular portion 31 corresponds to the lower surface of the third partial annular portion 33, and the upper surface of the second partial annular portion 32 corresponds to the lower surface of the fourth partial annular portion 34.

Preferably, the third partial annular portion 33 and the fourth partial annular portion 34 are both of a double-layer hollow structure, the third rotating shaft 23 of the partial annular structure is protrudingly disposed on an inner layer of the third partial annular portion 33, and corresponds to the first rotating shaft 21 of the partial annular structure, and the first rotating shaft 21 of the partial annular structure and the third rotating shaft 23 of the partial annular structure form a receiving portion for receiving the first control component in combination.

It will be understood by those skilled in the art that the term "part-annular" is not limited to a part-ring, and the curvature of the outer ring surface may be a major arc or a minor arc, and the term "part-annular portion" is not limited to a portion of a body structure having a substantially part-annular shape and having a substantially identical radius.

The first control component is, for example, a control knob assembly, and comprises a control knob and a control device; the first control component is also a common control component of the electric wheelchair, such as a volume control component, a light brightness control component and the like, and is not necessarily exemplified.

Preferably, the control knob is a speed regulation knob 60, the control device is a rotary encoder, and the speed regulation knob 60 is in driving connection with the rotary encoder. The speed regulation knob 60 is approximately in a circular structure, the middle of the outer surface of the speed regulation knob is provided with a bulge which is convenient for fingers to hold, and the middle of the inner surface of the speed regulation knob is protruded and extended to form a hollow tubular structure; the rotary encoder comprises a shaft core 61 and a shaft sleeve 62, the shaft sleeve 62 is sleeved on the shaft core 61, and one end of the shaft core 61 extends out of the shaft sleeve 62; the speed knob 60 is drivingly connected to the outer end of the shaft core 61, for example, a hollow tubular structure on the inner surface of the speed knob 60 is sleeved on the outer end of the shaft core 61. The encoder flying wire is electrically connected with a control device in the electric wheelchair controller body 10, the speed regulation knob 60 is manually rotated, and the speed regulation can be realized through a preset program. The speed knob 60 can drive the rotary encoder to switch over among a plurality of speed gears, preferably three speed gears.

Preferably, the first rotating shaft 21 of the annular or partially annular structure constitutes a support portion of the sleeve 62. More preferably, the third partial annular portion 33 and the fourth partial annular portion 34 are both of a double-layer hollow structure, the third rotating shaft 23 of the partial annular structure is protrudingly disposed on an inner layer of the third partial annular portion 33, and corresponds to the first rotating shaft 21 of the partial annular structure, and the first rotating shaft 21 of the partial annular structure and the third rotating shaft 23 of the partial annular structure form a receiving portion of the sleeve 62 in combination.

The outer layer of the first partial annular part 31 is provided with an opening 311 having the same axial lead as the first rotating shaft 21 of the partial annular structure, the outer layer of the third partial annular part 33 is provided with an opening 331 having the same axial lead as the third rotating shaft 23 of the partial annular structure, and the opening 311 of the outer layer of the first partial annular part 31 and the opening 331 of the outer layer of the third partial annular part 33 are combined to form a shaft core hole through which the shaft core 61 can pass.

Preferably, the speed control knob 60 is provided with a shift mark, the upper surface of the third partial annular portion 33 is provided with a plurality of shift scales, and the electric wheelchair can move at different speeds when the shift mark on the speed control knob 60 corresponds to different shift scales by rotating the speed control knob 60.

The electric wheelchair controller also comprises a second control part arranged on the rotating connecting part of the display screen assembly 10, the second control part is a switch assembly and comprises a switch and a switch cover 71, the switch 70 is electrically connected with a control device in the electric wheelchair controller body 10, the switch cover 71 is approximately circular, the middle part of the switch cover 71 protrudes and extends to form a hollow tubular structure, and the switch 70 is arranged in a hollow tube of the switch cover 71; the second rotating shaft 22 of the partial ring structure forms a routing space between the switch 70 and the control device, or the fourth rotating shaft 24 of the partial ring structure forms a routing space between the switch 70 and the control device, or a hollow portion formed by combining the second rotating shaft 22 of the partial ring structure and the fourth rotating shaft 24 of the partial ring structure forms a routing space between the switch 70 and the control device.

The second partial annular portion 32 and the fourth partial annular portion 34 are both of a double-layered hollow structure, the second rotating shaft 22 of the partial annular structure is formed on an inner layer of the second partial annular portion 32, and the fourth rotating shaft 24 of the partial annular structure is formed on an inner layer of the fourth partial annular portion 34. An opening 321 is formed in the outer layer of the second partial annular portion 32 of the double-layer hollow structure, an opening 341 is formed in the outer layer of the fourth partial annular portion 34 of the double-layer hollow structure, and the opening 321 in the outer layer of the second partial annular portion 32 and the opening 341 in the outer layer of the fourth partial annular portion 34 form a hollow tube accommodating hole for accommodating the switch cover 71 in a combined manner.

The controller body 10 comprises a body lower shell 101 and a body upper shell 102, wherein the body lower shell 101 is fixedly connected with the body upper shell 102; a first end of the machine body lower shell 101 extends upwards to form a connecting part 103, the display assembly 11 is rotatably connected with the connecting part 103, two lateral sides of the connecting part 103 are respectively provided with a first collar 51 with a partial annular structure and a second collar 52 with a partial annular structure, the first collar 51 is arranged corresponding to the first rotating shaft 21, the second collar 52 is arranged corresponding to the second rotating shaft 22, the first collar 51 and the second collar 52 respectively extend upwards and backwards from the bottom side of the connecting part 103, the radius of the first collar 51 is substantially the same as that of the first rotating shaft 21, and the radius of the second collar 52 is substantially the same as that of the second rotating shaft 22; preferably, a spacing portion 53 is formed between the first collar 51 and the second collar 52, and the width of the spacing portion 53 is substantially the same as the width between the first rotating shaft 21 and the second rotating shaft 22. Thus, the first rotating shaft 21 is mounted on the first collar 51, the second rotating shaft 22 is mounted on the second collar 52, the partition 53 separates the two rotating shafts, which can rotate on the two collars, the first rotating shaft 21 is rotatably provided on the first collar 51, and the second rotating shaft 22 is rotatably provided on the second collar 52; when the display screen upper shell comprises the third rotating shaft 23 and the fourth rotating shaft 24, the rotating shaft structure formed by the first rotating shaft 21 and the third rotating shaft 23 and the rotating shaft structure formed by the second rotating shaft 22 and the fourth rotating shaft 24 can rotate on the two shaft rings, so that the display screen assembly can rotate within a certain angle range.

The upper housing 102 includes an arc housing 104 corresponding to the connecting portion 103 of the lower housing 101, the width of the arc housing 104 is substantially the same as the width between the third partial annular portion 33 and the fourth partial annular portion 34, and the arc housing 104 covers the third rotating shaft 23 and the fourth rotating shaft 24.

The partition part 53 comprises a wall 105 which is approximately vertical to the bottom surface of the lower case 101 of the machine body and extends upwards, a charging interface hole 106 is formed in the middle of the wall 105 and used for exposing a charging interface of a charging device 107, and the charging interface of the charging device 107 is arranged towards the outside of the machine body; preferably, the lower part of the display screen lower shell 14 is provided with: in the outwardly flipped state of the display module 11, the lower portion of the display screen lower shell 14 covers at least a portion of the charging interface aperture 106.

The electric wheelchair controller further comprises an operating lever 50 for controlling the movement direction of the wheelchair, the operating lever 50 is arranged on the controller body 10, the upper surface of the body upper shell 102 comprises a first area and a second area, the display component 11 can close and cover the first area, and the upper end of the operating lever 50 extends to the upper part of the outside of the body from an opening formed in the second area of the body upper shell 102.

The upper body shell 102 is further provided with one or more control keys, such as control keys for unlocking a wheelchair, locking the wheelchair, lighting, a horn and the like. The positions of the control keys, the first control part and the second control part can be flexibly set by those skilled in the art after fully understanding the present disclosure.

Each controlling means, treater, battery etc. part of controller sets up in the organism, and the concrete mode of setting up of these parts does not have a relation with the utility model discloses, it can set up in a flexible way as required for technical staff in the field, needn't be repeated.

The utility model also provides an electric wheelchair, which comprises the electric wheelchair controller; preferably, the wheelchair controller is disposed at a front portion of the wheelchair armrest.

The embodiment of the utility model has the following technical effect: part of the control components are arranged at the end part of the rotary connecting part, and can be easily distinguished by a user; when the display screen is irradiated by outdoor sunlight and cannot be seen clearly, the angle of the display screen can be adjusted to avoid the irradiation of the sunlight; when the user enters the table or the wash basin, the display screen assembly can be turned over and closed, the length of the controller is reduced, and the body is closer to the edge of the table or the wash basin; when the folding wheelchair is folded, the screen can be turned over and closed, so that the storage space required by the wheelchair is reduced; when the wheelchair runs, the controller can turn backwards when the controller is slightly collided, so that the risk of crushing is reduced; when the wheelchair is not used, the display screen assembly can be closed, the display screen is protected, and meanwhile, the aging of the silica gel keys of the controller due to direct sunlight is delayed; when the display screen assembly is turned over, the charging interface is at least partially hidden, so that the possibility of being polluted by dust is reduced; when the display screen assembly is turned over and closed, the charging interface is exposed, charging can be carried out, when the wheelchair is required to be used, the display screen cannot be used in a charging state, and damage or short circuit of the charging wire caused by the fact that a user forgets to pull out the charging wire to operate the wheelchair is prevented; adopt speed governing knob governing speed gear, can discern current speed gear easily through the position of speed governing knob, improved user experience, improved the security to knob and shift knob have the same axis with the rotation axis of display screen subassembly, set up respectively in the controller both sides, convenient operation, the appearance is pleasing to the eye.

The embodiments of the present invention have been described above. However, the present invention is not limited to the above embodiment. 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 (12)

1. An electric wheelchair controller, characterized by comprising a controller body (10) and a display assembly (11); the display component (11) is rotatably connected to the controller body (10); the display assembly (11) comprises an upper display screen shell (12), a display screen (13) and a lower display screen shell (14), and the upper display screen shell (12) is fixedly connected with the lower display screen shell (14); the controller body (10) comprises a body lower shell (101) and a body upper shell (102), and the body upper shell (102) is fixedly connected with the body lower shell (101).

2. The electric wheelchair controller as claimed in claim 1, wherein a first rotating shaft (21) and a second rotating shaft (22) opposite to each other are fixedly extended inwardly and projected at both lateral sides of the inner side of the lower portion of the display screen lower casing (14) near the end of the lower portion of the display screen lower casing (14); the display module comprises a machine body lower shell (101), wherein a first end of the machine body lower shell (101) extends upwards to form a connecting portion (103), a display module (11) is connected with the connecting portion (103) in a rotating mode, a first collar (51) of a partial annular structure and a second collar (52) of a partial annular structure are arranged on two transverse sides of the connecting portion (103) respectively, the first collar (51) and the second collar (52) extend backwards and upwards from the lower side of the connecting portion (103) respectively, a first rotating shaft (21) is rotatably arranged on the first collar (51), and a second rotating shaft (22) is rotatably arranged on the second collar (52).

3. The electric wheelchair controller as claimed in claim 2, wherein the first rotating shaft (21) and the second rotating shaft (22) are both in an annular structure or a partial annular structure, and the lower surfaces of the first rotating shaft (21) and the second rotating shaft (22) are both in an arc surface.

4. The electric wheelchair controller as claimed in claim 3, wherein the first rotating shaft (21) and the second rotating shaft (22) are both in a partial ring structure, both lateral sides of the lower portion of the display screen upper shell (12) are respectively extended inwards to fixedly protrude a third rotating shaft (23) in a partial ring structure corresponding to the first rotating shaft (21) in a partial ring structure, and a fourth rotating shaft (24) in a partial ring structure corresponding to the second rotating shaft (22) in a partial ring structure, and the upper surfaces of the third rotating shaft (23) and the fourth rotating shaft (24) are both arc surfaces.

5. The electric wheelchair controller as claimed in claim 4, wherein a first partial ring portion (31) and a second partial ring portion (32) are fixedly extended and projected inwardly from both lateral sides of a lower portion of the display screen lower casing (14), the first rotating shaft (21) is projected and disposed on the first partial ring portion (31), the second rotating shaft (22) is projected and disposed on the second partial ring portion (32), and lower surfaces of the first partial ring portion (31) and the second partial ring portion (32) are both arc surfaces.

6. The electric wheelchair controller as claimed in claim 5, wherein a third partial annular portion (33) corresponding to the first partial annular portion (31) and a fourth partial annular portion (34) corresponding to the second partial annular portion (32) are fixedly extended inwardly and protruded from both lateral sides of the lower portion of the display screen upper casing (12), upper surfaces of the third partial annular portion (33) and the fourth partial annular portion (34) are arc surfaces, the third rotating shaft (23) is protruded from the third partial annular portion (33), and the fourth rotating shaft (24) is protruded from the fourth partial annular portion (34).

7. The electric wheelchair controller as claimed in claim 6, wherein the body upper shell (102) comprises an arc-shaped shell (104) disposed corresponding to the connecting portion (103) of the body lower shell (101), the arc-shaped shell (104) having a width substantially the same as a width between the third partial annular portion (33) and the fourth partial annular portion (34), the arc-shaped shell (104) being overlaid over the third rotary shaft (23) and the fourth rotary shaft (24).

8. The electric wheelchair controller as claimed in claim 2, wherein a spacer (53) is formed between the first collar (51) and the second collar (52), the spacer (53) having the same width as the width between the first rotating shaft (21) and the second rotating shaft (22).

9. The electric wheelchair controller as claimed in claim 8, wherein the partition (53) comprises a wall (105) extending upward substantially perpendicular to the bottom surface of the lower body shell (101), and a charging interface hole (106) is formed in the middle of the wall (105) for exposing a charging interface of the charging device (107).

10. The electric wheelchair controller as claimed in claim 9, wherein the lower part of the display screen lower case (14) is configured to: and in the state that the display component (11) is turned outwards, the lower part of the lower display screen shell (14) shields at least one part of the charging interface.

11. The electric wheelchair controller as claimed in claim 1, further comprising a control lever (50) for controlling the direction of movement of the wheelchair, wherein the control lever (50) is disposed on the controller body (10), the upper surface of the body upper shell (102) comprises a first area and a second area, the display member (11) can be closed to cover the first area, and the upper end of the control lever extends from an opening formed in the second area of the body upper shell (102) to above the outside of the body.

12. An electrically powered wheelchair comprising an electrically powered wheelchair controller as claimed in any one of claims 1 to 11.