CN210131016U

CN210131016U - Controller and electric wheelchair comprising same

Info

Publication number: CN210131016U
Application number: CN201920059602.2U
Authority: CN
Inventors: 章伯伦
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd
Priority date: 2019-01-14
Filing date: 2019-01-14
Publication date: 2020-03-10
Anticipated expiration: 2029-01-14

Abstract

The utility model discloses a controller and contain its electronic wheelchair, wherein the controller includes screen subassembly, rotating base and controller body, and the screen subassembly is rotatably connected with rotating base through first connecting axle, and rotating base rotatably is connected with the controller body through the second connecting axle, and first connecting axle is the contained angle setting with the second connecting axle. Two connecting axles can independently rotate certain angle, and the multi-angle adjustment of screen can be realized to the combination of different rotation methods, can deal with the visual angle change that different height of sitting and different position of sitting produced in a flexible way, solve the direct light screen scheduling problem of light. Compared with the prior art, the utility model discloses a controller possesses screen quick adjustable and small in size, advantages such as simple structure, firm.

Description

Controller and electric wheelchair comprising same

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a controller and contain its electronic wheelchair.

Background

The electric wheelchair is formed by modifying and upgrading components such as a high-performance power driving device, an intelligent control device and a battery on the basis of a traditional manual wheelchair, is provided with an intelligent controller for manual control, and can drive the wheelchair to complete multiple functions of advancing, retreating, steering, standing, lying and the like.

At present, the wheelchair controller of the existing electric wheelchair comprises a controller body and a screen, wherein the screen is fixed on the controller body, and one side of the screen is provided with an operating button and a rocker. In the process of implementing the present invention, the inventor finds that the prior art has at least the following defects: the screen is fixed on the controller body, and consequently the angle of screen can not be adjusted, sees clearly easily under outdoor sunshine is penetrated directly, is not convenient for operate wheelchair controller, and fixed screen also can not satisfy the visual angle change demand that the height of sitting and different position of sitting produced of user difference simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a controller, its simple structure, but screen multi-angle adjustment, convenient to use.

Another object of the embodiment of the present invention is to provide an electric wheelchair which is convenient to operate.

To achieve the purpose, the embodiment of the present invention adopts the following technical solutions:

the first aspect provides a controller, including screen subassembly, rotating base and controller body, the screen subassembly through first connecting axle with rotating base rotatably connects, rotating base through the second connecting axle with controller body rotatably connects, first connecting axle with the second connecting axle is the contained angle setting.

As a preferable mode of the controller, the first connecting shaft is perpendicular to the second connecting shaft.

As an optimal scheme of controller, run through on the screen subassembly and set up first shaft hole, run through the second shaft hole on the rotating base, the one end of first connecting axle is equipped with first limiting plate, and the other end passes first shaft hole and second shaft hole in proper order and can dismantle with the second limiting plate and be connected, the size of second limiting plate is greater than the diameter in second shaft hole.

As a preferred scheme of the controller, the first connecting shaft is inserted into one end inside the rotating base and is annularly provided with a limiting groove, and the second limiting plate is clamped in the limiting groove.

As a preferred scheme of controller, the screen subassembly have first side and with the second side that first side is relative, first side is used for showing and the operation, the concave mounting groove that is equipped with on the second side, the mounting groove is followed the axis of first connecting axle runs through the screen subassembly, be equipped with first connecting axle sleeve in the mounting groove, first axle hole runs through first connecting axle sleeve, the roating base epirelief is equipped with the second connecting axle sleeve, the second axle hole runs through the second connecting axle sleeve, the second connecting axle sleeve rotationally sets up in the mounting groove.

As a preferable scheme of the controller, an angle limiting mechanism for limiting the rotation angle of the screen assembly is arranged on the second connecting shaft sleeve.

As a preferred scheme of the controller, the screen assembly includes a screen body, a screen bottom shell and a screen panel, the screen bottom shell and the screen panel are detachably connected, an accommodating cavity is formed between the screen bottom shell and the screen panel, and the screen body is installed in the accommodating cavity;

the screen panel is provided with an opening for exposing the screen body, or the screen panel is a transparent plate.

As a preferred scheme of the controller, a first wire passing hole is formed in the screen bottom shell, a second wire passing hole and a third wire passing hole are formed in the rotating base, a fourth wire passing hole is formed in the controller body, one end of a connecting wire is connected with the screen body, and the other end of the connecting wire sequentially penetrates through the first wire passing hole, the second wire passing hole, the third wire passing hole and the fourth wire passing hole to be connected with an electronic component of the controller body.

As a preferred scheme of the controller, the first wire passing hole corresponds to the second wire passing hole in position, and the first wire passing hole and/or the second wire passing hole are arc-shaped holes;

the third wire passing hole corresponds to the fourth wire passing hole in position, and the third wire passing hole and/or the fourth wire passing hole are arc-shaped holes.

As a preferred scheme of the controller, a third shaft hole is formed in the rotating base in a penetrating manner, and a fourth shaft hole is formed in the controller body corresponding to the third shaft hole;

one end of the second connecting shaft is provided with a third limiting plate, the other end of the second connecting shaft penetrates through the third shaft hole and the fourth shaft hole in sequence and extends into the controller body, one end of the third limiting plate is far away from the second connecting shaft and is provided with a limiting part, and the limiting part limits the second connecting shaft to be separated from the fourth shaft hole.

As a preferred scheme of controller, the second connecting axle includes that at least two are fixed arc on the third limiting plate, two the arc winds the axis ring of second connecting axle is arranged, has the clearance between the two, spacing part protruding is established the arc is kept away from the one end of third limiting plate.

As a preferable mode of the controller, the stopper member has an inclined guide surface, the guide surface has a first end close to the third stopper plate and a second end opposite to the first end, and the first end has a height greater than that of the second end.

As a preferred scheme of the controller, the controller body comprises a controller bottom shell, a controller panel, a key and a rocker assembly, the controller bottom shell is detachably connected with the controller panel, the key and the rocker assembly are arranged on the controller panel at intervals, and the rotating base is connected with the controller bottom shell.

As a preferable scheme of the controller, an included angle between the rotating base and the controller panel is an obtuse angle.

In a second aspect, an electric wheelchair is provided, which includes an armrest, and the controller is disposed on the armrest, wherein a controller body of the controller is connected to the armrest.

The utility model discloses beneficial effect of embodiment: two connecting axles can independently rotate certain angle, and the multi-angle adjustment of screen can be realized to the combination of different rotation methods, can deal with the visual angle change that different height of sitting and different position of sitting produced in a flexible way, solve the direct light screen scheduling problem of light. Compared with the prior art, the utility model discloses a controller possesses screen quick adjustable and small in size, advantages such as simple structure, firm.

Drawings

Fig. 1 is a schematic perspective view of a controller according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of a controller according to an embodiment of the present invention (the screen assembly is rotated to a left angle).

Fig. 3 is a schematic perspective view of a controller according to an embodiment of the present invention (the screen assembly has a right-handed rotation with a certain angle).

Fig. 4 is a schematic perspective view of a controller according to an embodiment of the present invention (the rotating base is rotated to a left angle).

Fig. 5 is a schematic perspective view of a controller according to an embodiment of the present invention (the rotating base rotates rightwards by a certain angle).

Fig. 6 is an exploded view of a first view angle of a controller according to an embodiment of the present invention.

Fig. 7 is an exploded view of a second perspective of the controller according to an embodiment of the present invention.

Fig. 8 is a first perspective view of the electric wheelchair according to the embodiment of the present invention.

Fig. 9 is a second perspective view of the electric wheelchair according to the embodiment of the present invention.

In the figure:

1. a screen assembly; 101. a first shaft hole; 102. mounting grooves; 103. a first connecting sleeve; 104. a screen body; 105. a screen bottom case; 106. a screen panel; 107. an accommodating chamber; 108. a first wire passing hole; 109. a connecting wire;

2. rotating the base; 201. a second shaft hole; 202. a second connecting shaft sleeve; 203. a convex portion; 204. a second wire passing hole; 205. a third wire passing hole; 206. a third shaft hole;

3. a controller body; 301. a fourth wire passing hole; 302. a fourth shaft hole; 303. a controller bottom case; 304. a controller panel; 305. pressing a key; 306. a rocker assembly;

4. a first connecting shaft; 401. a first limit plate; 402. a second limiting plate; 403. a limiting groove;

5. a second connecting shaft; 501. a third limiting plate; 502. a limiting component; 503. an arc-shaped plate; 504. a gap;

100. an electric wheelchair; 110. a handrail.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do 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", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third", "fourth" may explicitly or implicitly include one or more of the features.

In the description of the present invention, unless otherwise expressly specified or limited, the term "fixed" is to be understood in a broad sense, e.g., as either a fixed connection or a removable connection, or as an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the word "over" a first feature or feature in a second feature may include the word "over" or "over" the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under" a second feature may include a first feature that is directly under and obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 7, the controller of the embodiment of the present invention includes a screen assembly 1, a rotating base 2 and a controller body 3, the screen assembly 1 is rotatably connected with the rotating base 2 through a first connecting shaft 4, the rotating base 2 is rotatably connected with the controller body 3 through a second connecting shaft 5, and the first connecting shaft 4 and the second connecting shaft 5 are arranged at an included angle. Two connecting axles can independently rotate certain angle, and the multi-angle adjustment of screen can be realized to the combination of different rotation methods, can deal with the visual angle change that different height of sitting and different position of sitting produced in a flexible way, solve the direct light screen scheduling problem of light. Compared with the prior art, the utility model discloses a controller possesses screen quick adjustable and small in size, advantages such as simple structure, firm.

Optionally, the first connecting shaft 4 is perpendicular to the second connecting shaft 5. The design can enable the rotation adjustment range of the screen assembly 1 to be larger, and an operator can watch the screen conveniently.

In the utility model discloses a preferred embodiment, run through on the screen subassembly 1 and set up first shaft hole 101, run through second shaft hole 201 on the rotating base 2, the one end of first connecting axle 4 is equipped with first limiting plate 401, and the other end passes first shaft hole 101 and second shaft hole 201 in proper order and can dismantle with second limiting plate 402 and be connected, and the size of second limiting plate 402 is greater than the diameter of second shaft hole 201. Two shaft holes can supply first connecting axle 4 to pass through to realize connecting screen subassembly 1 and rotating base 2, and first limiting plate 401 and second limiting plate 402 then restrict first connecting axle 4 on screen subassembly 1 and rotating base 2, prevent that first connecting axle 4 from breaking away from screen subassembly 1 and rotating base 2.

In this embodiment, a limit groove 403 is annularly formed at one end of the first connecting shaft 4 inserted into the rotating base 2, and the second limit plate 402 is clamped in the limit groove 403. Preferably, the second limiting plate 402 is a snap spring plate, a snap groove is formed in the snap spring plate, a portion of the first connecting shaft 4 located in the limiting groove 403 is snapped in the snap groove, and the size of a notch of the snap groove is smaller than the diameter of the portion of the first connecting shaft 4 located in the limiting groove 403. The jump ring board has certain elasticity, under the exogenic action, the jump ring board inserts in spacing recess 403, force the notch in joint groove to be opened, make the partial joint that first connecting axle 4 is located spacing recess 403 in the joint inslot, the exogenic force of withdrawing from, the jump ring board will press from both sides tight first connecting axle 4, prevent that the jump ring board from breaking away from first connecting axle 4, and then make second limiting plate 402 realize prescribing a limit to the position of first connecting axle 4, prevent that first connecting axle 4 from removing along self axis direction.

Of course, the second limiting plate 402 is not limited to a plate-shaped structure, and may be a pin, and a moving position of the first connecting shaft 4 is limited by forming a socket in the first connecting shaft 4, inserting one end of the pin into the socket, and extending the other end of the pin to the outside of the first connecting shaft 4. Or, the second limiting plate 402 is not limited to a structure with a snap spring plate, nor is it limited to annularly forming the limiting groove 403 on the first connecting shaft 4, a thread may be formed on the first connecting shaft 4, a threaded hole may be formed in the second limiting plate 402, and the second limiting plate 402 is screwed on the end portion of the first connecting shaft 4.

In another embodiment of the present invention, the screen assembly 1 includes a screen body 104, a screen bottom shell 105 and a screen panel 106, the screen bottom shell 105 and the screen panel 106 are detachably connected to form a containing cavity 107 therebetween, the screen body 104 is installed in the containing cavity 107; the screen panel 106 is provided with an opening for exposing the screen body 104, or the screen panel 106 is a transparent plate.

Optionally, the screen assembly 1 has a first side and a second side opposite to the first side, the first side is used for displaying and operating, that is, the first side is located at a side (front of the whole screen assembly 1) of the screen panel 106 departing from the screen bottom case 105, the second side is located at a side (back of the whole screen assembly 1) of the screen bottom case 105 departing from the screen panel 106, the second side is provided with a mounting groove 102 in a concave manner, the mounting groove 102 penetrates through the screen assembly 1 along an axis of the first connecting shaft 4, a first connecting shaft sleeve 103 is arranged in the mounting groove 102, the first shaft hole 101 penetrates through the first connecting shaft sleeve 103, the rotating base 2 is provided with a second connecting shaft sleeve 202 in a convex manner, the second shaft hole 201 penetrates through the second connecting shaft sleeve 202, and the second connecting shaft sleeve.

In one embodiment, the second connecting sleeve 202 is provided with an angle limiting mechanism for limiting the rotation angle of the screen assembly 1. The rotation angle of the screen assembly 1 can be limited by providing the angle limiting mechanism, preferably, the rotation angle of the screen assembly 1 is less than 90 degrees, and more preferably, the rotation angle of the screen assembly 1 is 60 degrees.

Optionally, the angle limiting mechanism is a convex portion 203 convexly disposed on the second connecting shaft sleeve 202, a cross section of the convex portion 203 is in a sector shape, a length of the convex portion 203 extends along an axis of the first connecting shaft 4, and two side surfaces of the convex portion 203 along a rotation direction of the second connecting shaft sleeve 202 are selectively abutted with the second side surface.

In this embodiment, the screen bottom case 105 is provided with a first wire passing hole 108, the rotating base 2 is provided with a second wire passing hole 204 and a third wire passing hole 205, the controller body 3 is provided with a fourth wire passing hole 301, one end of the connecting wire 109 is connected to the screen body 104, and the other end of the connecting wire passes through the first wire passing hole 108, the second wire passing hole 204, the third wire passing hole 205 and the fourth wire passing hole 301 in sequence to be connected to the electronic component of the controller body 3. Through setting up the line hole, can be that connecting wire 109 walks in the inside of whole controller, avoid connecting wire 109 to expose, guaranteed connecting wire 109's safety in utilization.

Optionally, the first wire passing hole 108 corresponds to the second wire passing hole 204 in position, and the first wire passing hole 108 and/or the second wire passing hole 204 are arc-shaped holes; the third wire passing hole 205 corresponds to the fourth wire passing hole 301 in position, and the third wire passing hole 205 and/or the fourth wire passing hole 301 are arc-shaped holes. Preferably, the first wire passing hole 108, the second wire passing hole 204, the third wire passing hole 205 and the fourth wire passing hole 301 are all arc-shaped holes, the arc-shaped centers of the first wire passing hole 108 and the second wire passing hole 204 are concentric with the axis of the first connecting shaft 4, and the arc-shaped centers of the third wire passing hole 205 and the fourth wire passing hole 301 are concentric with the axis of the second connecting shaft 5. This design can prevent that connecting wire 109 from hindering the rotation of screen pack 1 and rotating base 2, can effectively avoid screen pack 1 and rotating base 2 to pull connecting wire 109 when rotating.

The utility model discloses an in the embodiment, rotating base 2 is last to run through and to set up third shaft hole 206, corresponds third shaft hole 206 and sets up fourth shaft hole 302 on the controller body 3, and the one end of second connecting axle 5 is equipped with third limiting plate 501, and the other end passes third shaft hole 206 and fourth shaft hole 302 in proper order and extends to controller body 3 in, and the one end that third limiting plate 501 was kept away from to second connecting axle 5 is provided with stop block 502, and stop block 502 restriction second connecting axle 5 breaks away from fourth shaft hole 302.

Optionally, the second connecting shaft 5 includes at least two arc plates 503 fixed on the third limiting plate 501, the two arc plates 503 are annularly arranged around an axis of the second connecting shaft 5, a gap 504 exists between the two arc plates, and the limiting component 502 is convexly disposed at an end of the arc plate 503 far away from the third limiting plate 501. The external force presses the arc-shaped plates 503 to make at least two arc-shaped plates 503 close to the center of the second connecting shaft 5, the gap 504 is to leave a moving space for the arc-shaped plates 503 when pressing the arc-shaped plates 503, so that the second connecting shaft 5 can be inserted into the fourth shaft hole 302, when the second connecting shaft 5 is inserted into the fourth shaft hole 302, the arc-shaped plate 503 tightly abuts against the hole wall of the fourth shaft hole 302 due to its own elastic force, at the same time, the limiting member 502 limits the second connecting shaft 5 from disengaging from the fourth shaft hole 302, so that the entire second connecting shaft 5 can only rotate along its own axis, cannot move, and, because the arc-shaped plate 503 abuts against the hole wall of the fourth shaft hole 302, a larger friction exists between the second connecting shaft 5 and the fourth shaft hole 302 during rotation, therefore, the requirement of users for adjusting different angles can be met without additionally arranging an angle limiting mechanism to limit the rotating angle of the second connecting shaft 5.

Preferably, the stopper member 502 is formed with an inclined guide surface having a first end adjacent to the third stopper plate 501 and a second end opposite to the first end, the first end having a height greater than that of the second end. The provision of the guide surface further facilitates the insertion of the second connecting shaft 5 into the fourth shaft hole 302.

In another embodiment of the present invention, the controller body 3 includes a controller bottom case 303, a controller panel 304, a button 305 and a rocker assembly 306, the controller bottom case 303 is detachably connected to the controller panel 304, the button 305 and the rocker assembly 306 are disposed on the controller panel 304 at an interval, and the rotating base 2 is connected to the controller bottom case 303.

In the present embodiment, the included angle between the rotating base 2 and the controller panel 304 is an obtuse angle. This design makes the angle of the screen assembly 1 more suitable for the operator to see, and usually the operator sits on the electric wheelchair, the controller is arranged on the armrest, if the included angle between the rotating base 2 and the controller panel 304 is obtuse, then the screen assembly 1 is tilted upward for the operator to see and operate.

As shown in fig. 8 and 9, the embodiment of the present invention further provides an electric wheelchair 100, which includes an armrest 110, and the controller of any of the above embodiments is disposed on the armrest 110, wherein the controller body 3 of the controller is connected to the armrest 110. The detailed structure of the controller is not described herein.

In the description herein, references to the description of the terms "preferred embodiment," "alternative embodiment," etc., mean that a particular feature, structure, material, or characteristic described in connection with the example or embodiment is included in at least one example or embodiment of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above embodiments are only used to illustrate the detailed embodiments of the present invention, and the present invention is not limited to the above detailed embodiments, i.e. the present invention must not be implemented depending on the detailed embodiments. It should be clear to those skilled in the art that any improvement of the present invention, to the equivalent replacement of each raw material of the present invention, the addition of auxiliary components, the selection of specific modes, etc., all fall within the protection scope and disclosure scope of the present invention.

Claims

1. The utility model provides a controller, its characterized in that, includes screen subassembly, rotating base and controller body, the screen subassembly through first connecting axle with rotating base rotatably connects, rotating base through the second connecting axle with controller body rotatably connects, first connecting axle with the second connecting axle is the contained angle setting.

2. A control as claimed in claim 1, wherein the first connecting axis is perpendicular to the second connecting axis.

3. The controller of claim 1, wherein a first shaft hole is formed in the screen assembly in a penetrating manner, a second shaft hole is formed in the rotating base in a penetrating manner, a first limiting plate is arranged at one end of the first connecting shaft, the other end of the first connecting shaft penetrates through the first shaft hole and the second shaft hole in sequence to be detachably connected with a second limiting plate, and the size of the second limiting plate is larger than the diameter of the second shaft hole.

4. The controller according to claim 3, wherein a limit groove is annularly formed at one end of the first connecting shaft inserted into the rotating base, and the second limit plate is clamped in the limit groove.

5. The controller of claim 3, wherein the screen assembly has a first side and a second side opposite to the first side, the first side is used for displaying and operating, a mounting groove is concavely formed on the second side, the mounting groove penetrates through the screen assembly along an axis of the first connecting shaft, a first connecting shaft sleeve is arranged in the mounting groove, the first shaft hole penetrates through the first connecting shaft sleeve, a second connecting shaft sleeve is convexly arranged on the rotating base, the second shaft hole penetrates through the second connecting shaft sleeve, and the second connecting shaft sleeve is rotatably arranged in the mounting groove.

6. The controller according to claim 5, wherein the second connecting sleeve is provided with an angle limiting mechanism for limiting the rotation angle of the screen assembly.

7. The controller of claim 1, wherein the screen assembly comprises a screen body, a bottom screen shell and a screen panel, the bottom screen shell and the screen panel are detachably connected to form a containing cavity therebetween, and the screen body is installed in the containing cavity;

8. The controller according to claim 7, wherein a first wire passing hole is formed in the screen bottom case, a second wire passing hole and a third wire passing hole are formed in the rotating base, a fourth wire passing hole is formed in the controller body, one end of a connecting wire is connected with the screen body, and the other end of the connecting wire sequentially passes through the first wire passing hole, the second wire passing hole, the third wire passing hole and the fourth wire passing hole to be connected with an electronic component of the controller body.

9. The controller of claim 8, wherein the first wire passing hole corresponds to the second wire passing hole in position, and the first wire passing hole and/or the second wire passing hole are arc-shaped holes;

10. The controller according to claim 1, wherein a third shaft hole is formed through the rotating base, and a fourth shaft hole is formed on the controller body corresponding to the third shaft hole;

11. The controller according to claim 10, wherein the second connecting shaft comprises at least two arc plates fixed on the third limiting plate, the two arc plates are annularly arranged around an axis of the second connecting shaft, a gap exists between the two arc plates, and the limiting component is convexly arranged at one end of each arc plate far away from the third limiting plate.

12. The controller according to claim 11, wherein the stopper member has an inclined guide surface having a first end adjacent to the third stopper plate and a second end opposite to the first end, the first end having a height greater than a height of the second end.

13. The controller according to claim 1, wherein the controller body comprises a controller bottom shell, a controller panel, a key and a rocker assembly, the controller bottom shell is detachably connected with the controller panel, the key and the rocker assembly are arranged on the controller panel at intervals, and the rotating base is connected with the controller bottom shell.

14. The controller of claim 13, wherein the angle between the swivel base and the controller panel is an obtuse angle.

15. An electrically powered wheelchair comprising an armrest, wherein a controller as claimed in any one of claims 1 to 14 is provided on the armrest, wherein a controller body of the controller is connected to the armrest.