CN215273998U

CN215273998U - Electric wheelchair

Info

Publication number: CN215273998U
Application number: CN202120610057.9U
Authority: CN
Inventors: 章伯伦; 罗剑捷
Original assignee: Guangzhou Xicoo Medical Technology Co ltd; Guangzhou Shiyuan Electronics Thecnology Co Ltd
Current assignee: Guangzhou Xicoo Medical Technology Co ltd; Guangzhou Shiyuan Electronics Thecnology Co Ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-12-24
Anticipated expiration: 2031-03-25

Abstract

The utility model relates to a wheelchair technical field discloses an electronic wheelchair, including can dismantling wheelchair automobile body and the power assembly of connection, connect through connector structure electricity between the controller of wheelchair automobile body and the controller of power assembly, the connector structure sets up between wheelchair automobile body and power assembly, the back of wheelchair automobile body is configured to can fold, and switch between operating condition and fold condition, in order to cover or expose the connector structure, the connector structure includes connector interface and connector joint, the connector interface is installed in the seat of wheelchair automobile body, the connector interface is connected with the controller electricity of wheelchair automobile body, the connector joint passes through the wire with the controller of power assembly and is connected, the connector joint can be dismantled with the connector interface and be connected. The power assembly can be detached independently when the electric wheelchair is carried, so that the weight of the whole wheelchair is reduced; the connector structure can only be exposed after the backrest is folded, reducing the risk of accidental disconnection of the connector structure.

Description

Electric wheelchair

Technical Field

The utility model relates to a wheelchair technical field especially relates to an electronic wheelchair.

Background

With the social progress and the improvement of the living standard of people, the appearance of the electric wheelchair improves the autonomous activity of patients and improves the living quality of the patients. The existing electric wheelchair generally has no independent power assembly, so the connector structure of the electric wheelchair generally does not need to be plugged and pulled at any time, and the following problems exist:

1. the power assembly can not be detached independently, can not be detached independently during carrying, and the weight can not be detached.

2. The connector structure needs to be inserted and pulled when the power assembly needs to be disassembled or assembled, and the connector structure is exposed outside the electric wheelchair and has the risk of being accidentally disconnected.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model aims at providing an electric wheelchair, a power assembly can be detached independently so as to be convenient for carrying; and the connector structure is not exposed at ordinary times, so that the risk of accidental disconnection is reduced.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides an electric wheelchair, including the wheelchair automobile body and the power assembly that can dismantle the connection, the controller of wheelchair automobile body with be connected through connector structure electricity between the controller of power assembly, the connector structure set up in the wheelchair automobile body with between the power assembly, the back of wheelchair automobile body is configured to can fold to switch between operating condition and fold condition, in order to cover or expose the connector structure, the connector structure includes:

the connector interface is arranged on a seat of the wheelchair body and is electrically connected with a controller of the wheelchair body;

the connector joint is connected with a controller of the power assembly through a lead, and the connector joint is detachably connected with the connector interface.

The wheelchair body of the electric wheelchair is detachably connected with the power assembly, the electric connection between the wheelchair body and the power assembly is realized through a connector structure arranged between the wheelchair body and the power assembly, a connector interface is installed on a seat of the wheelchair body, a connector joint is detachably connected with the connector interface, the power assembly can be detached independently during transportation, and the weight of the whole wheelchair during transportation is reduced; the backrest of the wheelchair body can be folded and switched between a working state and a folded state to cover or expose the connector structure, so that the connector structure is not exposed at ordinary times, and the connector structure can be exposed only after the backrest is folded, thereby reducing the risk of accidental disconnection.

Drawings

Fig. 1 is a schematic structural view of an electric wheelchair provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a power assembly provided by an embodiment of the present invention;

fig. 3 is a schematic structural view of the electric wheelchair according to the embodiment of the present invention when the backrest is folded;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a schematic structural diagram of an outward pulling power assembly according to an embodiment of the present invention;

FIG. 6 is an enlarged view of a portion of the structure of FIG. 5;

fig. 7 is a schematic structural diagram of a unplugged connector joint according to an embodiment of the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 7;

FIG. 9 is a schematic view of a connector structure provided in accordance with an embodiment of the present invention mounted to a seat of a wheelchair body;

fig. 10 is a partial exploded view of fig. 9.

In the figure:

1. a wheelchair body; 11. a backrest; 12. a vehicle body main body; 121. a seat; 1211. a cross beam; 1212. a handle;

2. a power assembly; 20. a housing; 21. a limiting part; 22. a handle;

3. a connector structure; 31. a connector interface; 32. a connector fitting;

4. mounting a plate; 41. a first plate; 42. a second plate;

51. a retainer ring; 52. and a fixing ring.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. 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 first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 and fig. 2, the present embodiment provides an electric wheelchair, which includes a wheelchair body 1 and a power assembly 2 detachably connected, and in order to facilitate the detachment, in an embodiment, the power assembly 2 is engaged with a body main body 12.

As shown in fig. 2, a plurality of sets of limiting portions 21 are disposed on a housing 20 of the power assembly 2, and a clamping member (not shown) is correspondingly disposed on the wheelchair body 1, and the clamping member is clamped and matched with the limiting portions 21. In one embodiment, the limiting portion 21 is a limiting shaft disposed on the housing 20, a clamping groove is disposed on the clamping member, and the clamping groove is matched with the limiting shaft in a clamping manner, so that the mounting and dismounting are convenient. Of course, the power assembly 2 and the wheelchair body 1 can be detachably connected in other manners, and are not limited to the above-mentioned manner of engaging the limit shaft with the engaging groove 1221.

As shown in fig. 2, the power assembly 2 is provided with a plurality of sets of clamping shafts from top to bottom, each set of clamping shafts comprises two clamping shafts symmetrically arranged on the left side and the right side of the electric wheelchair, and the plurality of clamping shafts are clamped with the body main body 12 to realize stable connection of the wheelchair body 1 and the power assembly 2. Power assembly 2 still includes the power main part, and casing 20 sets up on the power main part, for the power main part provides the support, and the both sides of power main part are provided with the wheel respectively, are provided with handle 22 on the casing 20 at power assembly 2's top, can mention power assembly 2 through handle 22.

As shown in fig. 1 and fig. 3, the wheelchair body 1 includes a body 12 and a backrest 11, the body 12 includes a support body and a seat 121, the support body is detachably connected to the power assembly 2, the seat 121 is disposed on the support body, the backrest 11 is rotatably disposed on the support body of the body 12 to be folded on the seat 121 or disposed at an included angle with the seat 121, and the backrest 11 is rotatably disposed to realize switching between a working state and a folded state, which is convenient to operate. It should be noted that, in order to avoid any switching of the state of the backrest 11, the backrest 11 is in the locking state when in the working state, and when the backrest 11 needs to be folded, the unlocking needs to be performed first, and the locking device for the backrest 11 is conventional in the art and will not be described in detail here.

As shown in fig. 3-8, in order to realize the communication connection between the wheelchair body 1 and the powertrain 2, the controller of the wheelchair body 1 and the controller of the powertrain 2 are electrically connected through the connector structure 3, the connector structure 3 is disposed between the wheelchair body 1 and the powertrain 2, the backrest 11 of the wheelchair body 1 is folded and switched between the operating state and the folded state to cover or expose the connector structure 3, the connector structure 3 includes a connector interface 31 and a connector joint 32, the connector interface 31 is mounted on the support frame of the seat 121, the connector interface 31 is electrically connected with the controller of the wheelchair body 1, the connector joint 32 is connected with the controller of the powertrain 2 through a wire, the connector joint 32 is detachably connected with the connector interface 31, the connector joint 32 is connected with the controller of the powertrain 2 through a wire, so that when the connector joint 32 is detached from the connector interface 31, the circuit between the power assembly 2 and the wheelchair body 1 is disconnected. It should be noted that the controller of the wheelchair body 1 is electrically connected with the controller of the power assembly 2 to realize the power-on of the wheelchair body 1 and the data transmission.

The wheelchair body 1 and the power assembly 2 of the electric wheelchair are detachably connected, the electric connection between the wheelchair body 1 and the power assembly 2 is realized through the connector structure 3 arranged between the wheelchair body 1 and the power assembly 2, the connector interface 31 is installed on the seat 121 of the wheelchair body 1, the connector joint 32 is detachably connected with the connector interface 31, the power assembly 2 can be detached independently during transportation, and the weight of the whole wheelchair during transportation is reduced; the backrest 11 of the wheelchair body 1 can be folded and switched between an operating state and a folded state to cover or expose the connector structure 3, so that the connector structure 3 is not exposed at ordinary times, and the connector structure 3 can be exposed only after the backrest 11 is folded, thereby reducing the risk of accidental disconnection.

As shown in fig. 9 and 10, the supporting frame of the seat 121 includes a frame body and a handle 1212 disposed on the frame body, the connector interface 31 is mounted on the handle 1212, the handle 1212 is U-shaped, an opening of the U-shaped is connected to a cross beam 1211 of the frame body, the connector interface 31 is mounted on an inner side wall of the handle 1212 and is disposed parallel to the cross beam 1211, that is, the connector interface 31 is disposed along a horizontal direction, and the connector joint 32 is connected to the connector interface 31 in an inserting manner along the horizontal direction. This arrangement makes it possible to sufficiently utilize the space between the cross member 1211 and the handle 1212, and the connector interface 31 and the connector tab 32 can be connected easily by the above arrangement. When the power assembly 2 needs to be disassembled, the connector joint 32 is pulled out from the connector interface 31, so that the circuit of the wheelchair body 1 and the power assembly 2 is disconnected; when the power assembly 2 is mounted on the wheelchair body 1, the connector 32 is plugged into the connector interface 31 to connect the wheelchair body 1 and the power assembly 2 in terms of electric circuit.

The handle 1212 belongs to the bearing position of electronic wheelchair, can mention and get and put whole wheelchair automobile body 1 through the handle 1212. In order to play a role in prompting, a bearing mark can be arranged at the bearing position of the electric wheelchair, specifically, a yellow coating is arranged on the handle 1212 to play a striking prompting role, and the cross beam 1211 can also be provided with a yellow coating to play a prompting role. Of course, other colors may be set at the bearing position, or other prompting manners may be adopted, which are not specifically limited herein. Other bearing positions of the electric wheelchair can also be provided with bearing marks according to the requirements.

With continued reference to fig. 9 and 10, the connector interface 31 is mounted to the handle 1212 of the seat 121 via the mounting plate 4, the mounting plate 4 including a first plate 41 and a second plate 42, the first plate 41 being connected to the handle 1212 of the seat 121, the second plate 42 being connected perpendicular to the first plate 41, the connector interface 31 being mounted to the second plate 42. The mounting plate 4 of this structure, simple structure is convenient for link to each other with the handle 1212 through first board 41, fixes connector interface 31 through second mounting plate 4.

In one embodiment, the mounting plate 4 is detachably mounted on the handle 1212 by the first plate 41 through a fixing member, the first plate 41 is provided with a mounting hole, the handle 1212 is correspondingly provided with a threaded hole, the fixing member is a screw, and the screw passes through the mounting hole of the first plate 41 and is in threaded connection with the threaded hole on the handle 1212, so as to connect the first plate 41 and the handle 1212. The second plate 42 is provided with a mounting hole, and the connector interface 31 is inserted and fixed in the mounting hole. The connector interface 31 is provided with a retainer ring 51, the end of the connector interface 31 is connected with a retainer ring 52 by screw threads, and the retainer ring 51 and the retainer ring 52 are respectively positioned at two sides of the second plate 42 and are abutted against the mounting plate 4. The distance from the retainer ring 51, and thus the clamping force against the second plate 42, can be adjusted by screwing the retainer ring 52. Of course, the connector interface 31 may also be detachably connected to the second board 42 in other manners, for example, by means of clamping, plugging, and the like, which is not specifically limited herein, as long as the connector interface 31 can be detachably connected to the second board 42, so as to facilitate maintenance and replacement of the connector interface 31.

When the wheelchair needs to be disassembled into two parts to be transported respectively:

first, as shown in fig. 3 and 4, the backrest 11 is unlocked, the backrest 11 is rotated and the backrest 11 is folded on the seat 121 to expose the connector structure 3.

As shown in fig. 5 and 6, the handle 22 of the power unit 2 is pulled to fold the power unit 2 backward, thereby separating the engagement between the power unit 2 and the vehicle body 12.

As shown in fig. 7 and 8, the connector tab 32 is pulled out in a direction parallel to the cross member 1211 to break the electrical connection between the wheelchair body 1 and the powertrain 2. The power assembly 2 is lifted by the handle 22 of the power assembly 2, so that the power assembly 2 is separated from the wheelchair body 1.

In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are used in a descriptive sense or positional relationship based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example 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, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single technical solution, and such description is for clarity only, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that may be understood by those skilled in the art.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides an electric wheelchair, its characterized in that, including wheelchair automobile body (1) and the powertrain (2) that can dismantle the connection, the controller of wheelchair automobile body (1) with be connected through connector structure (3) electricity between the controller of powertrain (2), connector structure (3) set up in wheelchair automobile body (1) with between powertrain (2), back (11) of wheelchair automobile body (1) are configured to can fold to switch between operating condition and fold condition, with cover or expose connector structure (3), connector structure (3) include:

a connector interface (31) attached to a seat (121) of the wheelchair body (1), the connector interface (31) being electrically connected to a controller of the wheelchair body (1);

the connector joint (32) is connected with a controller of the power assembly (2) through a lead, and the connector joint (32) is detachably connected with the connector interface (31).

2. The electrically powered wheelchair according to claim 1, characterized in that the connector interface (31) is arranged in a horizontal direction, and the connector joint (32) is plug-connected to the connector interface (31) in the horizontal direction.

3. Electric wheelchair in accordance with claim 2, characterized in that the connector interface (31) is mounted on a support frame of the seat (121) by means of a mounting plate (4).

4. The electrically powered wheelchair according to claim 3, characterized in that the mounting plate (4) comprises a first plate (41) and a second plate (42), the first plate (41) being connected to the support frame, the second plate (42) being connected perpendicular to the first plate (41), the connector interface (31) being mounted on the second plate (42).

5. The electrically powered wheelchair as claimed in claim 4, wherein the second plate (42) is provided with mounting holes through which the connector interface (31) is inserted and secured.

6. The electrically powered wheelchair according to claim 5, characterized in that a retainer ring (51) is provided on the connector interface (31), a retainer ring (52) is screwed to an end of the connector interface (31), and the retainer ring (51) and the retainer ring (52) are respectively located on both sides of the second plate (42) and abut against the mounting plate (4).

7. Electric wheelchair in accordance with any of claims 1-6, characterized in that the wheelchair body (1) comprises:

a vehicle body (12) detachably connected to the power train (2), the vehicle body (12) including a seat (121); and

the backrest (11) is rotatably arranged on the vehicle body main body (12) and is folded on the seat (121) or arranged at an included angle with the seat (121).

8. Electric wheelchair in accordance with claim 7, characterized in that the drive train (2) is clamped to the body (12).

9. The electric wheelchair as claimed in claim 8, wherein a plurality of sets of limiting parts (21) are arranged on the housing (20) of the power assembly (2), and the body main body (12) is correspondingly provided with a clamping member which is in clamping fit with the limiting parts (21).

10. The electric wheelchair as claimed in claim 9, wherein the limiting part (21) is a limiting shaft arranged on the housing (20), and the clamping member is provided with a clamping groove which is in clamping fit with the limiting shaft.