CN220158580U - Height-adjustable electric wheelchair - Google Patents

Abstract

The utility model discloses an electric wheelchair with adjustable height, and relates to the technical field of electric wheelchairs. According to the utility model, the driving wheel telescopic column and the driven wheel telescopic column are simultaneously started to drive the support to start lifting, patients with different body types are adjusted to the comfortable height of the patients, and then a plurality of telescopic pieces can be started to drive the two armrests to synchronously move upwards according to the use requirements of the patients, so that the two armrests support the arms of the patients; when encountering an uphill, the rotating rod swings upwards, the driving wheel telescopic column is started according to the swinging angle of the rotating rod at the moment, so that the rear side of the support is raised, the support inclined due to the uphill is reset, meanwhile, when encountering a downhill, the rotating rod swings downwards, the driven wheel telescopic column is started according to the swinging angle of the rotating rod, the front side of the support is raised, the support inclined due to the downhill is reset, and the wheelchair is prevented from being fallen down due to the lack of control over the balance of a patient with inconvenient legs and feet when the support is inclined on the slope.

Description

Height-adjustable electric wheelchair

Technical Field

The utility model belongs to the technical field of electric wheelchairs, and particularly relates to an electric wheelchair with an adjustable height.

Background

The traditional electric wheelchair is formed by overlapping a power driving device, a controller, a battery and other parts on the basis of a manual wheelchair, and is formed by modifying and upgrading, and the manual operation controller can drive the wheelchair to finish forward, backward, steering, and other functional operations, so that a convenient and quick action way is provided for the elderly and disabled.

However, when in actual use, the electric wheelchair can incline when running on a slope, and at the moment, the aged and disabled people lack control on balance due to inconvenient legs, so that a user can topple over, and meanwhile, the height of the wheelchair and the height requirements of guardrails at two sides are inconsistent due to inconsistent body types of the user.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

Aiming at the problems in the related art, the utility model provides an electric wheelchair with adjustable height, which aims to overcome the technical problems in the prior art.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a height-adjustable electric wheelchair which comprises a support, a protection component, a driving component and a balancing component, wherein the protection component is arranged on two sides of the support, the driving component is arranged at four corners of the bottom of the support, the balancing component is arranged between two supporting pieces, the driving component can drive the support, the protection component and the balancing component to move, and the driving component can be inclined by rotation of a rotating rod.

Further, the support comprises a cushion and a backrest, and the backrest is arranged on the rear side of the cushion.

Further, the protection component comprises guardrails, telescopic members and handrails, wherein two guardrails are respectively arranged on two sides of the seat cushion, four telescopic members are respectively arranged on the tops of the two guardrails, and one handrail is respectively arranged above each telescopic member.

Further, the driving assembly further comprises a driving wheel telescopic column, a driven wheel telescopic column, a driving wheel and driven wheels, wherein the two driving wheel telescopic columns are arranged at one side, close to the backrest, of the bottom of the seat cushion, the two driven wheel telescopic columns are arranged at one side, far away from the backrest, of the bottom of the seat cushion, the two driving wheels are respectively connected with one end, far away from the seat cushion, of the two driving wheel telescopic columns, the two driven wheels are respectively arranged at one end, far away from the seat cushion, of the two driven wheel telescopic columns, the two supporting pieces are respectively arranged between the two driving wheel telescopic columns and the two driven wheel telescopic columns, and the two supporting pieces are mutually separated.

Further, the balance assembly further comprises pulleys, connecting pieces and supporting columns, the two supporting columns are fixedly connected with one sides, close to the two supporting pieces, of the two supporting columns respectively, the connecting pieces are arranged between the two supporting columns, the rotating rods are connected with the connecting pieces in a rotating mode, and the pulleys are arranged at one ends, far away from the connecting pieces, of the rotating rods.

The utility model has the following beneficial effects:

the driving wheel telescopic column and the driven wheel telescopic column are started simultaneously to drive the support to start lifting, patients with different body types are adjusted to the comfortable height of the patients, and then a plurality of telescopic pieces can be started to drive the two armrests to move upwards synchronously according to the use requirements of the patients, so that the two armrests support the arms of the patients; when encountering an uphill, the rotating rod swings upwards, the driving wheel telescopic column is started according to the swinging angle of the rotating rod at the moment, so that the rear side of the support is raised, the support inclined due to the uphill is reset, meanwhile, when encountering a downhill, the rotating rod swings downwards, the driven wheel telescopic column is started according to the swinging angle of the rotating rod, the front side of the support is raised, the support inclined due to the downhill is reset, and the wheelchair is prevented from being fallen down due to the lack of control over the balance of a patient with inconvenient legs and feet when the support is inclined on the slope.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings that are needed for the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a second perspective view of the present utility model;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2 in accordance with the present utility model;

FIG. 4 is a third perspective view of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a bracket; 11. a cushion; 12. a backrest; 2. a protective assembly; 21. guard bars; 22. a telescoping member; 23. an armrest; 3. a drive assembly; 31. a driving wheel telescopic column; 32. a driven wheel telescopic column; 33. a support; 34. a driving wheel; 35. driven wheel; 4. a balancing assembly; 41. a rotating lever; 42. a pulley; 43. a connecting piece; 44. and (5) supporting the column.

Detailed Description

The following description of the technical solutions in the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, based on the embodiments in the utility model, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "open," "upper," "lower," "top," "middle," "inner," and the like indicate an orientation or positional relationship, merely for convenience of description and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.

Referring to fig. 1-4, the present utility model is an electric wheelchair with adjustable height, which includes a support 1, a protection component 2, a driving component 3 and a balancing component 4, wherein the protection component 2 is disposed on two sides of the support 1, the driving component 3 is disposed at four corners of the bottom of the support 1, the balancing component 4 is disposed between two supporting members 33, the driving component 3 can drive the support 1, the protection component 2 and the balancing component 4 to move, and the driving component 3 can be tilted by the rotation of a rotating rod 41.

In one embodiment, the bracket 1 includes a seat cushion 11 and a backrest 12, and the backrest 12 is disposed at a rear side of the seat cushion 11.

In one embodiment, the protection assembly 2 includes a guard bar 21, a telescopic member 22 and armrests 23, two guard bars 21 are respectively disposed on two sides of the seat cushion 11, four telescopic members 22 are respectively disposed on the tops of the two guard bars 21, and one of the armrests 23 is respectively disposed above two telescopic members 22 on each side.

In one embodiment, the driving assembly 3 further includes a driving wheel telescopic column 31, a driven wheel telescopic column 32, a driving wheel 34, and a driven wheel 35, where the two driving wheel telescopic columns 31 are disposed at one side of the bottom of the seat cushion 11 near the backrest 12, the two driven wheel telescopic columns 32 are disposed at one side of the bottom of the seat cushion 11 far away from the backrest 12, the two driving wheels 34 are respectively rotatably connected to one ends of the two driving wheel telescopic columns 31 far away from the seat cushion 11, the two driven wheels 35 are respectively disposed at one ends of the two driven wheel telescopic columns 32 far away from the seat cushion 11, the two supporting members 33 are respectively disposed between the two driving wheel telescopic columns 31 and the two driven wheel telescopic columns 32, and the two supporting members 33 are mutually separated.

In one embodiment, the balancing assembly 4 further includes a pulley 42, a connecting member 43, and a supporting column 44, where two supporting columns 44 are fixedly connected to two sides of the two supporting members 33, respectively, where the connecting member 43 is disposed between the two supporting columns 44, the rotating rod 41 is rotatably connected to the connecting member 43, and the pulley 42 is disposed at an end of the rotating rod 41 away from the connecting member 43.

In actual use, the driving wheel telescopic column 31 and the driven wheel telescopic column 32 are started simultaneously to drive the bracket 1 to start lifting, patients are adjusted to the comfortable height of the patients according to different sizes, then a plurality of telescopic pieces 22 can be started to drive the two armrests 23 to synchronously move upwards according to the use requirements of the patients, the two armrests 23 support the arms of the patients, when the comfort is confirmed, the electric wheelchair starts to run, and when encountering a slope, the pulley 42 at the front section of the wheelchair is firstly contacted with the slope, so that the pulley 42 is lifted to drive the rotating rod 41 to swing upwards or downwards for a certain distance; when the downhill is met, the rotating rod 41 swings upwards, the driving wheel telescopic column 31 is started according to the swinging angle of the rotating rod 41 at the moment, the rear side of the support 1 is lifted, so that the support 1 inclined due to the uphill is reset, meanwhile, when the downhill is met, the rotating rod 41 swings downwards, the driven wheel telescopic column 32 is started according to the swinging angle of the rotating rod 41 at the moment, the front side of the support 1 is lifted, the support 1 inclined due to the downhill is reset, and the support 1 is prevented from falling down the wheelchair due to the fact that a patient with inconvenient feet lacks control over balance when the support 1 is inclined on the slope.

In summary, by means of the above technical solution of the present utility model, the driving wheel telescopic column 31 and the driven wheel telescopic column 32 are started simultaneously to drive the support 1 to start lifting, then the plurality of telescopic members 22 can be started to drive the two armrests 23 to move upwards synchronously according to the use requirement of the patient, so that the two armrests 23 support the arm of the patient, when the comfort is confirmed, the electric wheelchair starts to run, and when the electric wheelchair encounters a slope, the pulley 42 at the front section of the wheelchair contacts with the slope first, so that the pulley 42 is lifted to drive the rotating rod 41 to swing upwards or downwards for a certain distance; when an uphill slope is encountered, the rotating rod 41 swings upwards, at this time, the driving wheel telescopic column 31 is started according to the swinging angle of the rotating rod 41, so that the rear side of the support 1 is lifted, and the support 1 inclined due to the uphill slope is realigned again, and when a downhill slope is encountered, the rotating rod 41 swings downwards, at this time, the driven wheel telescopic column 32 is started according to the swinging angle of the rotating rod 41, so that the front side of the support 1 is lifted, and the support 1 inclined due to the downhill slope is realigned again.

The beneficial effects are that: the electric wheelchair with the adjustable height is characterized in that a driving wheel telescopic column 31 and a driven wheel telescopic column 32 are started simultaneously to drive a support 1 to start lifting, patients with different sizes are adjusted to the comfortable height of the patients, and then a plurality of telescopic pieces 22 can be started to drive two armrests 23 to synchronously move upwards according to the use requirements of the patients, so that the two armrests 23 support the arms of the patients; when the downhill is met, the rotating rod 41 swings upwards, the driving wheel telescopic column 31 is started according to the swinging angle of the rotating rod 41 at the moment, the rear side of the support 1 is lifted, so that the support 1 inclined due to the uphill is reset, meanwhile, when the downhill is met, the rotating rod 41 swings downwards, the driven wheel telescopic column 32 is started according to the swinging angle of the rotating rod 41 at the moment, the front side of the support 1 is lifted, the support 1 inclined due to the downhill is reset, and the support 1 is prevented from falling down the wheelchair due to the fact that a patient with inconvenient feet lacks control over balance when the support 1 is inclined on the slope.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 disclosed preferred embodiments of the utility model are merely intended to help illustrate the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model.

Claims (5)

1. An electric wheelchair with adjustable height, which is characterized in that: including support (1), protection component (2), drive assembly (3) and balance assembly (4), protection component (2) set up support (1) both sides, drive assembly (3) set up support (1) bottom four corners position, balance assembly (4) set up between two support pieces (33), drive assembly (3) can drive support (1), protection component (2) and balance assembly (4) remove, and the rotation of dwang (41) can make drive assembly (3) take place the slope.

2. A height adjustable electric wheelchair according to claim 1, wherein: the support (1) comprises a seat cushion (11) and a backrest (12), and the backrest (12) is arranged at the rear side of the seat cushion (11).

3. A height adjustable electric wheelchair according to claim 2, wherein: the protection component (2) comprises guardrails (21), telescopic pieces (22) and handrails (23), wherein two guardrails (21) are respectively arranged on two sides of the seat cushion (11), four telescopic pieces (22) are respectively arranged on the tops of the two guardrails (21), and one handrail (23) is respectively arranged above each telescopic piece (22).

4. A height adjustable electric wheelchair according to claim 2, wherein: the driving assembly (3) further comprises driving wheel telescopic columns (31), driven wheel telescopic columns (32), driving wheels (34) and driven wheels (35), wherein the two driving wheel telescopic columns (31) are arranged at one side, close to the backrest (12), of the bottom of the seat cushion (11), the two driven wheel telescopic columns (32) are arranged at one side, far away from the backrest (12), of the bottom of the seat cushion (11), the two driving wheels (34) are respectively connected with one end, far away from the seat cushion (11), of the two driving wheel telescopic columns (31), the two driven wheels (35) are respectively arranged at one end, far away from the seat cushion (11), of the two driven wheel telescopic columns (32), the two supporting pieces (33) are respectively arranged between the two driving wheel telescopic columns (31) and the two driven wheel telescopic columns (32), and the two supporting pieces (33) are mutually separated.

5. The electrically powered wheelchair of claim 4, wherein: the balance assembly (4) further comprises a pulley (42), a connecting piece (43) and a supporting column (44), wherein the two supporting columns (44) are fixedly connected with two sides, close to each other, of the supporting pieces (33), the connecting piece (43) is arranged between the two supporting columns (44), the rotating rod (41) is connected with the connecting piece (43) in a rotating mode, and the pulley (42) is arranged at one end, far away from the connecting piece (43), of the rotating rod (41).