CN212997086U - Lifting device and wheelchair - Google Patents

Abstract

The utility model relates to a wheelchair field, concretely relates to elevating gear, including elevating platform, inclination detector, controller and rotating electrical machines, the elevating platform includes roof, first flexible subassembly and bottom plate, the roof with the bottom plate sets up respectively the both ends of first flexible subassembly, inclination detector are used for detecting framework inclination, the input of controller is connected the inclination detector, the rotating electrical machines is connected to the first output of controller, the second output of controller is connected first flexible subassembly, the rotating electrical machines is fixed in the framework, the gear connection of rotating electrical machines the elevating platform. The utility model provides a wheelchair includes two elevating gear, takes place to turn on one's side when the wheelchair, and two elevating gear are rotatory to the outside respectively, prevent that the wheelchair from further turning on one's side, and the elevating gear that this application provided simultaneously can independently right the wheelchair to make the wheelchair continue to move ahead.

Description

Lifting device and wheelchair

Technical Field

The utility model relates to a wheelchair, concretely relates to elevating gear and wheelchair.

Background

By the end of 2018, the aged population above 60 years old in China already reaches about 2.5 hundred million people, accounting for 18 percent of the total population, wherein the aged population above 65 years old and above reaches 1.67 hundred million people, accounting for 11.9 percent of the total population, and the demand of a large number of aged people on wheelchairs is increasing.

The wheelchair is an important auxiliary instrument for rehabilitation, is an important tool for walking instead of walking for people with limb disabilities, old people and people with temporary dysfunction, and can participate in normal social activities by virtue of the wheelchair. The common wheelchair consists of a wheelchair frame, a wheelchair wheel, a braking device and a backrest, however, if a user uses the wheelchair under the conditions of sudden turning, ascending and descending, or sudden convulsion symptoms such as epilepsy and the like, the wheelchair is likely to turn on one's side, and secondary damage is caused to the user.

At present, the common side-turning prevention device only can prevent the wheelchair from continuing to turn on the side, at the moment, the wheelchair is inclined for a certain angle and is difficult to continue to use the wheelchair for riding instead of walking, and a user with inconvenient movement is also incapable of independently righting the wheelchair to continue to move forwards. Therefore, the existing wheelchair rollover prevention device still needs to be perfected, and the function of self-righting the rollover wheelchair is added to meet more requirements of users.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a device of turning on one's side of preventing of solving current wheelchair only can prevent the wheelchair to continue to turn on one's side, can't right the wheelchair after taking place to turn on one's side and continue the problem that moves ahead, provides a elevating gear, can self-righting the wheelchair after taking place to turn on one's side, then can continue to travel.

A lifting device, comprising:

the lifting platform comprises a top plate, a first telescopic assembly and a bottom plate, wherein the top plate and the bottom plate are respectively arranged at two ends of the first telescopic assembly;

the inclination angle detector is used for detecting the inclination angle of the frame body;

the input end of the controller is connected with the inclination angle detector, the first output end of the controller is connected with the rotating motor, and the second output end of the controller is connected with the first telescopic assembly;

the rotating motor is fixed on the frame body, and a gear of the rotating motor is connected with the lifting platform.

Further, the inclination angle detector is arranged on a top plate of the lifting platform and used for detecting an included angle between the upper surface of the top plate and a reference horizontal plane.

Further, the reference horizontal plane is a plane where the upper surface of the top plate of the lifting table is located when the frame body is horizontally stable.

Further, elevating gear still includes the shock attenuation platform, the shock attenuation platform sets up the bottom plate below of elevating platform, still be provided with the backup pad under the shock attenuation platform.

Further, the size of the supporting plate is larger than the size of the bottom plate of the lifting platform.

Furthermore, the rotating motor is connected with two sides of the bottom plate of the frame body through a motor base.

The utility model discloses a device of turning on one's side of preventing of solving current wheelchair only can prevent the wheelchair to continue to turn on one's side, can't right the wheelchair after taking place to turn on one's side and continue the problem that moves ahead, provides a wheelchair, can automatic right the wheelchair after taking place to turn on one's side, then can continue to travel.

A wheelchair comprising the above-mentioned lifting device and further comprising a leg plate device, the leg plate device comprising:

the leg plate comprises a first plate, a second plate and a third plate which are hinged in sequence;

the support assembly comprises a U-shaped support piece, and two ends of the U-shaped support piece are respectively connected with the first plate and the third plate;

the ground supporting assembly comprises at least two ground supporting rods and at least one ground supporting wheel, the two ground supporting rods are respectively configured into a first supporting rod and a second supporting rod, one end of the first supporting rod is connected with the U-shaped supporting piece, the other end of the first supporting rod is connected with one side of the ground supporting wheel, one end of the second supporting rod is connected with the frame body, and the other end of the second supporting rod is connected with the other side of the ground supporting wheel;

and one end of the second telescopic assembly is connected with the second plate, and the other end of the second telescopic assembly is connected with the frame body.

Furthermore, the bottom plate of the frame body is connected with two lifting devices, and the two lifting devices are respectively fixed on two sides of the bottom plate of the frame body through the motor base.

Further, when the wheelchair turns on one side, the two lifting devices rotate outwards respectively.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a lifting device that provides is used for the wheelchair, and a lifting device of movable mounting respectively is taken place to the frame bottom plate both sides of wheelchair, and when lifting device detected that the wheelchair takes place to turn on one's side, then lifting device from original for rotatory alpha angle, prevents that the wheelchair from further turning on one's side, then lifting device controls the work of electronic flexible push rod according to the angle of turning on one's side, will empty one side jack-up to right the wheelchair, so that the wheelchair can continue to travel, the utility model provides a problem that the wheelchair can't right the wheelchair by oneself of anti-rollover device among the prior art, the utility model discloses not only can prevent that the wheelchair from turning on one's side, still can realize self;

2. the utility model provides a wheelchair still includes leg board device, and the leg board device of this application is provided with and props ground subassembly, and at the wheelchair in-process of traveling, should prop ground subassembly and can support the wheelchair, prevents that the wheelchair from leaning forward.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a lifting device provided in an embodiment of the present invention;

fig. 3 is a schematic view of the installation of the lifting device on the wheelchair according to the embodiment of the present invention;

fig. 2 is a schematic view of an original state of the lifting device according to the embodiment of the present invention;

fig. 4 is a schematic view of a side-turning prevention state of the lifting device according to the embodiment of the present invention;

fig. 5 is a schematic structural diagram of a leg board device according to an embodiment of the present invention;

fig. 6 is a left side view of a leg board device according to an embodiment of the present invention;

fig. 7 is a schematic view of an expanded state of the leg board device according to an embodiment of the present invention;

fig. 8 is a schematic view of a folded state of the leg plate device according to an embodiment of the present invention.

In the drawings, 1 is a frame body, 11 is a front beam, 12 is a top beam, 14 is a seat plate support plate, 15 is a seat plate, 2 is a lifting device, 21 is a top plate, 22 is a first telescopic member, 23 is a bottom plate, 24 is a damping table, 25 is a support plate, 26 is a first connection plate, 27 is a second connection plate, 28 is a connection seat, 2a is a controller, 2b is a rotary motor, 2c is a motor base, 2d is a battery, 30 is a connection block, 31 is a second plate, 32 is a first plate, 33 is a third plate, 34 is a first connection member, 35 is a second connection member, 36 is a third connection member, 37 is a fourth connection member, 38 is a fifth connection member, 39 is a sixth connection member, 4 is a "U" -shaped support frame, 41 is a first connection rod, 42 is a second connection rod, 43 is a third connection rod, 51 is a second ground wheel, 52 is a first ground wheel, 53 is a shaft, 54 is a first ground wheel, 55 is the second pole, 56 is the third pole, 57 is the fourth pole, 6 is the sole, 7 is the second subassembly that stretches out and draws back.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The first embodiment is as follows:

fig. 1 shows a lifting device provided by the embodiment of the utility model, including the elevating platform, inclination detector 29, controller 2a and rotating electrical machines 2b, wherein, the elevating platform includes roof 21, first flexible subassembly 22 and bottom plate 23, roof 21 and bottom plate 23 set up the both ends at first flexible subassembly 22 respectively, inclination detector 29 is used for detecting framework 1 inclination, inclination detector 29 is connected to controller 2 a's input, rotating electrical machines 2b is connected to controller 2 a's first output, first flexible subassembly 22 is connected to controller 2 a's second output, rotating electrical machines 2b fixes on framework 1, rotating electrical machines 2 b's gear connection elevating platform.

In the present embodiment, as shown in fig. 2, the inclination angle of the wheelchair is detected by the inclination angle detector 29, and when the inclination angle of the wheelchair is greater than a predetermined angle, the wheelchair is considered to be turned sideways, and at this time, the rotating motor 2b operates to rotate the lifting platform by an angle α, and then the first telescopic assembly 22 is controlled to be lifted up according to the inclination angle of the wheelchair, so as to jack up the side where the wheelchair is tilted, and to right the wheelchair.

Specifically, as shown in fig. 3 and 4, during normal travel, the lifting device 2 is not in contact with the ground and is in a retracted state, and therefore does not affect normal travel of the wheelchair; when the wheelchair turns over, the lifting device 2 is opened, and the first telescopic component 22 drives the lifting device 2 to land, so that the wheelchair is supported and prevented from further turning over.

Specifically, the first retraction assembly 22 is configured as an electrically retractable push rod in this embodiment.

Further, the inclination angle detector 29 is disposed on the top plate 21 of the lifting platform and configured to detect an included angle between the upper surface of the top plate 21 and a reference horizontal plane, where the reference horizontal plane is a plane where the upper surface of the lifting platform top plate 21 is located when the frame 1 is horizontally stable, and when the included angle between the reference horizontal plane and the upper surface of the top plate 21 is greater than a set angle, it is determined that the wheelchair is turned on one side, and the inclination angle detector 29 may be disposed at other positions without any limitation.

Further, this embodiment still includes shock attenuation platform 24, and shock attenuation platform 24 sets up in the bottom plate 23 below of elevating platform, still is provided with backup pad 25 under shock attenuation platform 24, and the size of backup pad 25 is greater than the bottom plate 23 size of elevating platform, through set up shock attenuation platform 24 between backup pad 25 and the bottom plate 23 of elevating platform to reduce elevating gear 2 because the effort of each part is each other in the elevating platform motion process.

Further, the rotating electric machine 2b is connected to the bottom plate of the housing 1 via a motor base 2 c.

Further, as shown in fig. 4, two lifting devices 2 are connected to the bottom plate of the frame 1, the two lifting devices 2 are respectively fixed to two sides of the bottom plate of the frame 1 through motor bases 2c, when the wheelchair turns over, the two lifting devices 2 respectively rotate to the outside by an angle α, and then the electric telescopic push rod works to make the support plate 25 land on the ground to support the wheelchair and prevent the wheelchair from further turning over.

Specifically, in this embodiment, the wheelchair turns over, and the two lifting devices 2 rotate outward by 60 degrees, but other rotation angles may be set according to practical application, which is not limited to this.

Further, a battery 2d is disposed on the bottom plate of the wheelchair frame 1 for supplying power to the tilt angle detector 29, the controller 2a, the rotating electric machine 2b and the first telescopic assembly 22.

Example two:

the embodiment also provides a wheelchair, as shown in fig. 2 and 4, the wheelchair comprises the lifting device 2, the wheelchair is prevented from rolling over left and right through the lifting device 2, and the self-righting function is realized through the lifting device 2.

The wheelchair provided by the embodiment further comprises a leg plate device, wherein the leg plate device comprises a leg plate, a supporting component, a ground supporting component and a second telescopic component 7, and the wheelchair is prevented from inclining forwards through the leg plate device.

As a specific embodiment of the leg plate provided in this embodiment, the leg plate includes a first plate 32, a second plate 31, and a third plate 33 hinged in this order.

Specifically, the second plate 21 is movably connected with the seat plate 15 of the wheelchair through a first connecting piece 34 and a second connecting piece 35, the first plate 32 is movably connected with the second plate 31 through a fourth connecting piece 36 and a fifth connecting piece 37, and the second plate 31 is movably connected with the third plate 33 through a sixth connecting piece 38 and a seventh connecting piece 39.

Specifically, in the present embodiment, a connection block 30 is disposed below the third plate 33, one end of the second expansion assembly 7 is connected to the connection block 30, and the other end of the second expansion assembly 7 is connected to the top cross beam 12 of the frame 1.

As a specific embodiment of the supporting assembly provided in this embodiment, as shown in fig. 5, the supporting assembly includes a "U" shaped supporting member 4, and two ends of the "U" shaped supporting member 4 are respectively connected to a first plate 32 and a third plate 33.

Specifically, as shown in fig. 8, in the present embodiment, the "U" -shaped supporting member 4 includes a first connecting rod 41, a second connecting rod 42 and a third connecting rod 43, one end of the first connecting rod 41 is connected to the third plate 33, the other end of the first connecting rod 41 is connected to one end of the second connecting rod 42 via the third connecting rod 43, the other end of the second connecting rod 42 is connected to the first plate 32, when the "U" -shaped supporting member 4 is forced to move upward, the leg plate is lifted up, the first plate 32 and the third plate 33 hang down naturally due to gravity, and thus the effect of pushing and unfolding the leg plate is achieved, when the "U" -shaped supporting member 4 is forced to move downward, the leg plate is driven to move downward, and the first plate 32 and the third plate 33 are folded under the effect of the protruding portion of the seat supporting plate 14.

As a specific embodiment of the ground supporting assembly provided in this embodiment, the ground supporting assembly includes at least two ground supporting rods and at least one ground supporting wheel 52, the two ground supporting rods are respectively configured as a first ground supporting rod 54 and a second ground supporting rod 55, one end of the first ground supporting rod 54 is connected to the "U" -shaped supporting member 4, the other end of the first ground supporting rod 54 is connected to one side of the ground supporting wheel 52, one end of the second ground supporting rod 55 is connected to the frame body 1, and the other end of the second ground supporting rod 55 is connected to the other side of the ground supporting wheel 52.

Preferably, as shown in fig. 5 and 8, in the present embodiment, the ground supporting assembly is provided with four ground supporting rods and two ground supporting wheels, the two ground supporting rods are respectively configured as a first ground supporting rod 54, a second ground supporting rod 55, a third ground supporting rod 56 and a fourth ground supporting rod 57, the two ground supporting wheels are respectively configured as a first ground supporting wheel 52 and a second ground supporting wheel 51, one ends of the first ground supporting rod 54 and the second ground supporting rod 55 are respectively arranged at two sides of the first ground supporting wheel 52, the other end of the first ground supporting rod 54 is connected with the "U" -shaped support member 4, the other end of the second ground supporting rod 55 is connected with the front cross beam 11 of the frame 1, one ends of the third ground supporting rod 56 and the fourth ground supporting rod 57 are respectively connected with two sides of the second ground supporting wheel 51, the other end of the third ground supporting rod 56 is connected with the "U" -shaped support member 4, and the other end of the fourth ground supporting rod 57 is connected with the top cross beam 12 of the frame 1.

Preferably, a shaft 53 is arranged between the other ground supporting wheels, one end of the shaft 53 is connected with the first ground supporting wheel 52, and the other end of the shaft 53 is connected with the second ground supporting wheel 51, so as to further improve the working stability of the ground supporting assembly.

Further, in this embodiment, the second telescopic assembly 7 is configured as an electric telescopic push rod, one end of the second telescopic assembly 7 is connected to the second plate 31, the other end of the second telescopic assembly 7 is connected to the frame body 1, the second telescopic assembly 7 extends out to push the leg plate to move upward and lay flat, and the second telescopic assembly 7 contracts to drive the leg plate to move downward and fold.

Further, the wheelchair provided by the embodiment is further provided with a foot plate 6, and one end of the foot plate 6 is fixedly connected with the front end of the second plate 31 of the leg plate, so that the use and the placement of feet are facilitated.

Further, a universal wheel is provided at the bottom front end of the frame 1, and a motor wheel 13 is provided at the bottom rear end of the frame 1.

In conclusion, the lifting device 2 provided by the embodiment is applied to a wheelchair, and can not only prevent the wheelchair from rolling over, but also be self-righting, and the leg plate device provided by the embodiment can prevent the wheelchair from leaning forward.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims (9)

1. A lifting device, comprising:

the lifting platform comprises a top plate (21), a first telescopic assembly (22) and a bottom plate (23), wherein the top plate (21) and the bottom plate (23) are respectively arranged at two ends of the first telescopic assembly (22);

an inclination detector (29) for detecting the inclination angle of the frame body (1);

the input end of the controller (2a) is connected with the inclination angle detector (29), the first output end of the controller (2a) is connected with the rotating motor (2b), and the second output end of the controller (2a) is connected with the first telescopic assembly (22);

the rotating motor (2b), the rotating motor (2b) is fixed on the frame body (1), and a gear of the rotating motor (2b) is connected with the lifting platform.

2. Lifting device according to claim 1, characterised in that the inclination detector (29) is arranged on the top plate (21) of the lifting table for detecting the angle between the upper surface of the top plate (21) and a reference horizontal plane.

3. The lifting device according to claim 2, characterized in that the reference level is the level of the upper surface of the top plate (21) of the lifting platform when the frame (1) is horizontally stable.

4. The lifting device according to claim 1, characterized by further comprising a damping table (24), wherein the damping table (24) is arranged below a bottom plate (23) of the lifting table, and a support plate (25) is arranged below the damping table (24).

5. Lifting device according to claim 4, characterized in that the support plate (25) has a size larger than the base plate (23) of the lifting table.

6. Lifting device according to claim 1, characterised in that the rotating motor (2b) is connected to the bottom plate of the frame (1) via a motor base (2 c).

7. A wheelchair comprising a lifting device as claimed in any one of claims 1 to 6, and further comprising a leg plate device comprising:

a leg plate comprising a first plate (32), a second plate (31) and a third plate (33) hinged in sequence;

a support assembly comprising a U-shaped support (4), the two ends of the U-shaped support (4) being connected to the first plate (32) and the third plate (33), respectively;

the ground supporting assembly comprises at least two ground supporting rods and at least one ground supporting wheel (52), the two ground supporting rods are respectively configured into a first ground supporting rod (54) and a second ground supporting rod (55), one end of the first ground supporting rod (54) is connected with the U-shaped supporting piece (4), the other end of the first ground supporting rod (54) is connected with one side of the ground supporting wheel (52), one end of the second ground supporting rod (55) is connected with the frame body (1), and the other end of the second ground supporting rod (55) is connected with the other side of the ground supporting wheel (52);

the second telescopic assembly (7), one end of the second telescopic assembly (7) is connected with the second plate (31), and the other end of the second telescopic assembly (7) is connected with the frame body (1).

8. The wheelchair according to claim 7, wherein two lifting devices (2) are connected to the bottom plate of the frame body (1), a motor base (2c) is arranged on each of the two lifting devices (2), and the two lifting devices (2) are fixed on both sides of the bottom plate of the frame body (1) through the motor bases (2 c).

9. Wheelchair according to claim 7, characterized in that the two lifting devices (2) are each rotated to the outside when the wheelchair rolls on its side.

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