CN215350081U

CN215350081U - Electric wheelchair convenient to disassemble and assemble

Info

Publication number: CN215350081U
Application number: CN202121851098.3U
Authority: CN
Inventors: 李刚
Original assignee: Langfang Zhengjie Wheelchair Manufacturing Co ltd
Current assignee: Langfang Zhengjie Wheelchair Manufacturing Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2021-12-31
Anticipated expiration: 2031-08-09

Abstract

The application discloses electronic wheelchair car convenient to dismouting, including first pivot, first bearing, drive mechanism, adjustment mechanism and shrink mechanism, shrink mechanism includes second bracing piece, third bracing piece and sixth bracing piece, first bearing bottom outer wall fixed surface connects the mount, mount outer wall surface rotates connects second bracing piece and third bracing piece, second bracing piece outer wall fixed surface connects the second pivot, second pivot outer wall surface rotates connects the third bracing piece, second bracing piece and third bracing piece fixed connection third pivot respectively, third pivot outer wall surface rotates connects the sixth bracing piece, sixth bracing piece outer wall fixed surface connects the support frame. Through set up the inner chamber in the backup pad inside, and set up the slide bar in second bracing piece bottom and slide in the inner chamber is inside, be convenient for adjust the whole height of wheelchair, and can improve the usability of wheelchair according to patient's health height-adjusting.

Description

Electric wheelchair convenient to disassemble and assemble

Technical Field

The application relates to the field of wheelchairs, in particular to an electric wheelchair convenient to disassemble and assemble.

Background

The wheelchair is an important tool for rehabilitation, not only is the walking tool for the disabled with limbs injured, but also is more important for the disabled to do physical exercise and participate in social activities by means of the wheelchair. The common wheelchair generally comprises a wheelchair frame, wheels, a brake device and a seat back. In the world-recognized history of wheelchairs, the earliest record was that the carving of a chair with wheels on a stone coffin in the south and north directions (525 years) of China is also the precursor of modern wheelchairs.

When the existing wheelchair is not suitable for use and occupies space, medical care personnel who take care of patients are inconvenient to walk, and the height of the wheelchair can not be adjusted according to the body of the patient, so that the practicability of the wheelchair is low. Therefore, the electric wheelchair convenient to assemble and disassemble is provided for solving the problems.

Disclosure of Invention

The electric wheelchair convenient to disassemble and assemble is provided in the embodiment and used for solving the problem that medical care personnel who take care of patients are inconvenient to walk when a wheelchair in the prior art is not suitable and occupies space.

According to one aspect of the application, an electric wheelchair convenient to disassemble and assemble is provided, which comprises a first rotating shaft, a first bearing, a transmission mechanism, an adjusting mechanism and a contraction mechanism;

the contraction mechanism comprises a second support rod, a third support rod and a sixth support rod, the surface of the outer wall of the bottom end of the first bearing is fixedly connected with a fixed frame, the surface of the outer wall of the fixed frame is rotatably connected with the second support rod and the third support rod, the surface of the outer wall of the second support rod is fixedly connected with a second rotating shaft, the surface of the outer wall of the second rotating shaft is rotatably connected with the third support rod, the second support rod and the third support rod are respectively fixedly connected with the third rotating shaft, the surface of the outer wall of the third rotating shaft is rotatably connected with the sixth support rod, the surface of the outer wall of the sixth support rod is fixedly connected with a second support frame, and the middle part of the second support frame is rotatably connected with a sixth rotating shaft;

the adjusting mechanism comprises a supporting plate, a sliding plate and a fourth supporting rod, the surface of the outer wall of the first bearing is fixedly connected with the supporting plate, an inner cavity is formed in the supporting plate, the sliding plate is slidably connected in the inner cavity, and the surface of the outer wall of the top end of the sliding plate is fixedly connected with the fourth supporting rod.

Further, the outer wall surface of the fourth supporting rod is fixedly connected with the supporting plate through a bolt, and the outer wall surface of the top end of the fourth supporting rod is fixedly connected with a fixing rod.

Further, dead lever outer wall fixed surface connects the fourth pivot, fourth pivot outer wall surface rotates connects the fifth bracing piece, the fifth bracing piece middle part rotates connects the fifth pivot, fifth bracing piece outer wall fixed surface connects the second connecting block, wall surface sliding connection connecting plate in the second connecting block, the first connecting block of fifth bracing piece outer wall surface, first connecting block outer wall fixed surface connects the cushion.

Furthermore, a first clamping groove is formed in the surface of the outer wall of the sliding plate, the surface of the outer wall of the first clamping groove is connected with a sliding block in a sliding mode, and the sliding block is connected with the supporting plate in a sliding mode.

Further, the surface of the outer wall of the second support frame is fixedly connected with the cushion, the surface of the outer wall of the sixth support rod is connected with one end of the first support rod in a sliding mode, one end of the first support rod is connected with the second clamping groove in a sliding mode, and the second clamping groove is formed in the second support rod and the third support rod respectively.

Further, drive mechanism includes motor and gear, backup pad outer wall fixed surface connects the motor, motor output end fixed connection gear, first pivot outer wall fixed surface connects the gear, first pivot outer wall fixed surface connects first bearing, first pivot outer wall fixed surface connects first wheel middle part.

Furthermore, the surface of the outer wall of the first bearing is fixedly connected with a first support frame, the surface of the outer wall of the first support frame is fixedly connected with a second bearing, and the surface of the outer wall of the second bearing is fixedly connected with a second wheel.

Through the above embodiment of the present application, a first rotating shaft, a first bearing, a transmission mechanism, an adjusting mechanism and a shrinking mechanism are adopted, the shrinking mechanism comprises a second supporting rod, a third supporting rod and a sixth supporting rod, the outer wall surface of the bottom end of the first bearing is fixedly connected with a fixing frame, the outer wall surface of the outer wall of the fixing frame is rotatably connected with the second supporting rod and the third supporting rod, the outer wall surface of the second supporting rod is fixedly connected with the second rotating shaft, the outer wall surface of the second rotating shaft is rotatably connected with the third supporting rod, the second supporting rod and the third supporting rod are respectively fixedly connected with the third rotating shaft, the outer wall surface of the third rotating shaft is rotatably connected with the sixth supporting rod, the outer wall surface of the sixth supporting rod is fixedly connected with a supporting frame, the middle part of the supporting frame is rotatably connected with the sixth rotating shaft, the adjusting mechanism comprises a supporting plate, a sliding plate and a fourth supporting rod, the outer wall surface of the first bearing is fixedly connected with a fixing plate, the inner chamber is seted up to the fixed plate inside, the inside sliding connection slide of inner chamber, slide top outer wall fixed surface connects the fourth bracing piece, solve the wheelchair when not suitable and occupation space, inconvenient nursing patient's medical personnel problem of walking about has been got and has been rotated along the second pivot through second bracing piece and third bracing piece, and has driven the support frame and rotate along the sixth pivot, and the sixth bracing piece that drives the support frame both ends is from supporting the inside roll-off of inslot, and the fifth bracing piece is folding along the fifth pivot, be convenient for with the folding shrink of wheelchair, save the effect of the space that the wheelchair took when not suitable.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

FIG. 3 is a schematic top view of an embodiment of the present application;

FIG. 4 is an enlarged view of a portion of the structure of FIG. 2 according to an embodiment of the present disclosure;

fig. 5 is a schematic view of a portion of the enlarged structure at B in fig. 2 according to an embodiment of the present application.

In the figure: 1. the support device comprises a first rotating shaft, 2, a fixed frame, 3, a first wheel, 4, a gear, 5, a motor, 6, a first bearing, 7, a first support frame, 8, a second bearing, 9, a second wheel, 10, a support plate, 11, an inner cavity, 12, a sliding plate, 13, a first clamping groove, 14, a sliding block, 15, a first support rod, 16, a second clamping groove, 17, a second support rod, 18, a second rotating shaft, 19, a third support rod, 20, a third rotating shaft, 21, a support groove, 22, a fourth support rod, 23, a support plate, 24, a fixing rod, 25, a fourth rotating shaft, 26, a back cushion, 27, a fifth support rod, 28, a fifth rotating shaft, 29, a first connecting block, 30, a second support frame, 31, a sixth support rod, 32, a sixth rotating shaft, 33, a seat cushion, 34, a second connecting block, 35 and a connecting plate.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The transmission mechanism in this embodiment can be applied to various wheelchairs, for example, the following height-adjustable stair climbing wheelchair is provided in this embodiment, and the transmission mechanism in this embodiment can be used for installing the following wheelchair.

The wheelchair mechanism includes: handle and montant, the lower extreme of handle is provided with the montant, the handle is connected through cup jointing with the montant, through cup jointing, thereby can make overall structure's stability obtain promoting, the left end of montant is provided with the headrest, the lower extreme of headrest is provided with holds up the handle, the left end of holding up the handle is provided with control switch, the lower extreme of holding up the handle is provided with the hydraulic stem, the right-hand member of hydraulic stem is provided with the transmission case, the lower extreme of hydraulic stem is provided with the track that climbs, the lower extreme of the track that climbs is provided with the steamboat, the right-hand member of steamboat is provided with the bull wheel, transmission case and switch electric connection, control switch and switch electric connection.

The constitution of hydraulic stem is including stiff end, head rod, second connecting rod and link, and the upside of the right-hand member of stiff end is provided with the head rod, and the upside of the right-hand member of head rod is provided with the second connecting rod to the transmission of the track that climbs that can be better, the right side upper end of second connecting rod is provided with the link, the hydraulic stem through the stiff end with climb track fixed connection.

The constitution of transmission case is including following the driving wheel, the box, the fixed axle, the connecting band, action wheel and motor, the inside upper end of box is provided with the fixed axle, the lower extreme of fixed axle is provided with from the driving wheel, the right-hand member from the driving wheel is provided with the connecting band, the right-hand member of connecting band is provided with the action wheel, setting through the action wheel to the effect of carrying on the transmission that can be better, the lower extreme of action wheel is provided with the motor, the transmission case passes through bolt fixed connection through the fixed axle and the track that climbs.

The constitution of montant is including upper boom, hole, knob and lower beam, and the lower extreme of upper boom is provided with the lower beam, and the inside of lower beam is provided with the hole, and the right side of the upper end of lower beam is provided with the knob, and the knob plays fixed effect to can make the height of montant adjust, the montant cup joints with the handle through the upper boom and is connected.

The climbing crawler belts are provided with two, the two climbing crawler belts are symmetrically arranged on two sides of the lower end of the holding handle respectively, so that the climbing crawler belts can work better, and the two climbing crawler belts are electrically connected with the motor.

The upper rod and the lower rod are of cylindrical structures, the section diameter of the upper rod is smaller than that of the lower rod, so that the upper rod can be better spliced with the lower rod, the section diameter of the upper rod is five centimeters at two points, and the section diameter of the lower rod is five centimeters at three points.

The headrest is of a rectangular structure, the headrest is made of plastic foam, and the outer skin of the headrest is made of HIPS (high impact polystyrene) environment-friendly materials, so that the headrest has the characteristic of no pollution.

The handles are arranged two in number, the two handles are symmetrically arranged at the left end and the right end of the headrest respectively, so that the handles can be pushed better through the handles, and the handles are made of aluminum alloy materials

Of course, the embodiment can also be used for wheelchair rod machines with other structures. The details are not repeated here, and the transmission mechanism of the embodiment of the present application is described below.

Referring to fig. 1-5, an electric wheelchair convenient for disassembly and assembly includes a first shaft 1, a first bearing 6, a transmission mechanism, an adjusting mechanism and a contracting mechanism;

the contraction mechanism comprises a second support rod 17, a third support rod 19 and a sixth support rod 31, the surface of the outer wall of the bottom end of the first bearing 6 is fixedly connected with the fixed frame 2, the surface of the outer wall of the fixed frame 2 is rotatably connected with the second support rod 17 and the third support rod 19, the surface of the outer wall of the second support rod 17 is fixedly connected with the second rotating shaft 18, the surface of the outer wall of the second rotating shaft 18 is rotatably connected with the third support rod 19, the second support rod 17 and the third support rod 19 are respectively fixedly connected with the third rotating shaft 20, the surface of the outer wall of the third rotating shaft 20 is rotatably connected with the sixth support rod 31, the surface of the outer wall of the sixth support rod 31 is fixedly connected with the second support frame 30, and the middle part of the second support frame 30 is rotatably connected with the sixth rotating shaft 32;

the adjusting mechanism comprises a supporting plate 10, a sliding plate 12 and a fourth supporting rod 22, the surface of the outer wall of the first bearing 6 is fixedly connected with the supporting plate 10, an inner cavity 11 is formed in the supporting plate 10, the sliding plate 12 is slidably connected in the inner cavity 11, the surface of the outer wall of the top end of the sliding plate 12 is fixedly connected with the fourth supporting rod 22, the inner cavity 11 is formed in the supporting plate 10, a sliding rod is arranged at the bottom end of the second supporting rod 17 and slides in the inner cavity 11, the whole height of the wheelchair can be adjusted conveniently, the height can be adjusted according to the body of a patient, and the usability of the wheelchair is improved;

the outer wall surface of the fourth supporting rod 22 is fixedly connected with a supporting plate 23 through a bolt, the outer wall surface of the top end of the fourth supporting rod 22 is fixedly connected with a fixing rod 24, the outer wall surface of the fixing rod 24 is fixedly connected with a fourth rotating shaft 25, the outer wall surface of the fourth rotating shaft 25 is rotatably connected with a fifth supporting rod 27, the middle part of the fifth supporting rod 27 is rotatably connected with a fifth rotating shaft 28, the outer wall surface of the fifth supporting rod 27 is fixedly connected with a second connecting block 34, the inner wall surface of the second connecting block 34 is slidably connected with a connecting plate 35, the outer wall surface of the fifth supporting rod 27 is fixedly connected with a first connecting block 29, the outer wall surface of the first connecting block 29 is fixedly connected with a back cushion 26, the outer wall surface of the sliding plate 12 is provided with a first clamping groove 13, the outer wall surface of the first clamping groove 13 is slidably connected with a sliding block 14, the sliding block 14 is slidably connected with a supporting plate 10, and the outer wall surface of the second supporting frame 30 is fixedly connected with a cushion 33, the surface of the outer wall of the sixth support rod 31 is slidably connected with one end of a first support rod 15, one end of the first support rod 15 is slidably connected with a second clamping groove 16, the second support rod 17 and the third support rod 19 are respectively provided with the second clamping groove 16 so as to support a second support frame 30, the transmission mechanism comprises a motor 5 and a gear 4, the surface of the outer wall of the support plate 10 is fixedly connected with the motor 5, the output end of the motor 5 is fixedly connected with the gear 4, the surface of the outer wall of the first rotating shaft 1 is fixedly connected with a first bearing 6, the surface of the outer wall of the first rotating shaft 1 is fixedly connected with the middle part of a first wheel 3 so as to drive the wheelchair to move, the surface of the outer wall of the first bearing 6 is fixedly connected with a first support frame 7, the surface of the outer wall of the first support frame 7 is fixedly connected with a second bearing 8, and the surface of the outer wall of the second bearing 8 is fixedly connected with a second wheel 9, is convenient for stabilizing the wheelchair.

When the wheelchair is used, the gear 4 is driven to rotate by the motor 5, the first rotating shaft 1 is driven to rotate along the first bearing 6 by the transmission between the gears 4, the first rotating shaft 1 is driven to rotate, the inner cavity 11 is formed in the supporting plate 10, the sliding plate 12 is arranged at the bottom end of the second supporting rod 17 to slide in the inner cavity 11, the whole height of the wheelchair is convenient to adjust, the height can be adjusted according to the body of a patient, the usability of the wheelchair is improved, the second supporting rod 17 and the third supporting rod 19 are arranged in the middle of the two second bearings 8, the second rotating shaft 18 is arranged between the second supporting rod 17 and the third supporting rod 19, the top ends of the second supporting rod 17 and the third supporting rod 19 are respectively fixed outside the sixth supporting rod 31 in the second supporting frame 30, the sixth rotating shaft 32 is arranged in the middle of the second supporting frame 30, and the second supporting rod 17 and the third supporting rod 19 can rotate along the second rotating shaft 18 when the wheelchair is retracted, and the second supporting frame 30 is driven to rotate along the sixth rotating shaft 32, and the sixth supporting rods 31 at the two ends of the second supporting frame 307 are driven to slide out from the inside of the supporting groove 21, and the fifth supporting rod 27 is folded along the fifth rotating shaft 28, so that the wheelchair can be folded and contracted conveniently, and the space occupied by the wheelchair when the wheelchair is not suitable for use is saved.

The application has the advantages that:

1. the inner cavity is formed in the supporting plate, and the sliding rod is arranged at the bottom end of the second supporting rod and slides in the inner cavity, so that the overall height of the wheelchair can be adjusted conveniently, the height can be adjusted according to the body of a patient, and the usability of the wheelchair is improved;

2. through set up second bracing piece and third bracing piece in two second bearing middle parts, and set up the second pivot between second bracing piece and the third bracing piece, and second bracing piece and third bracing piece top are fixed respectively in the inside sixth bracing piece outside of support frame, and the support frame middle part sets up the sixth pivot, and can rotate along the second pivot through second bracing piece and third bracing piece when contracting the wheelchair, and drive the support frame and rotate along the sixth pivot, and drive the sixth bracing piece at support frame both ends from supporting the inside roll-off of inslot, and the fifth bracing piece is folding along the fifth pivot, be convenient for fold the wheelchair and contract, save the space that the wheelchair took when not suitable.

The motor adopts GH28-750W-15S model and related matched power supply and circuit.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides an electronic wheelchair car convenient to dismouting which characterized in that: comprises a first rotating shaft (1), a first bearing (6), a transmission mechanism, an adjusting mechanism and a contraction mechanism;

the contraction mechanism comprises a second supporting rod (17), a third supporting rod (19) and a sixth supporting rod (31), the surface of the outer wall of the bottom end of the first bearing (6) is fixedly connected with a fixed frame (2), the surface of the outer wall of the fixed frame (2) is rotatably connected with a second supporting rod (17) and a third supporting rod (19), the outer wall surface of the second supporting rod (17) is fixedly connected with a second rotating shaft (18), the outer wall surface of the second rotating shaft (18) is rotatably connected with a third supporting rod (19), the second supporting rod (17) and the third supporting rod (19) are respectively fixedly connected with a third rotating shaft (20), the surface of the outer wall of the third rotating shaft (20) is rotationally connected with a sixth supporting rod (31), the surface of the outer wall of the sixth supporting rod (31) is fixedly connected with a second supporting frame (30), the middle part of the second support frame (30) is rotatably connected with a sixth rotating shaft (32);

the adjusting mechanism comprises a supporting plate (10), a sliding plate (12) and a fourth supporting rod (22), the outer wall surface of the first bearing (6) is fixedly connected with the supporting plate (10), an inner cavity (11) is formed in the supporting plate (10), the inner cavity (11) is slidably connected with the sliding plate (12) in the inner cavity (11), and the outer wall surface of the top end of the sliding plate (12) is fixedly connected with the fourth supporting rod (22).

2. The electric wheelchair as claimed in claim 1, wherein: the outer wall surface of the fourth supporting rod (22) is fixedly connected with the supporting plate (23) through a bolt, and the outer wall surface of the top end of the fourth supporting rod (22) is fixedly connected with a fixing rod (24).

3. The electric wheelchair as claimed in claim 2, wherein: dead lever (24) outer wall fixed surface connects fourth pivot (25), fourth pivot (25) outer wall fixed surface rotates and connects fifth bracing piece (27), fifth bracing piece (27) middle part rotates and connects fifth pivot (28), fifth bracing piece (27) outer wall fixed surface connects second connecting block (34), second connecting block (34) inner wall surface sliding connection connecting plate (35), first connecting block (29) of fifth bracing piece (27) outer wall surface, first connecting block (29) outer wall fixed surface connects cushion (26).

4. The electric wheelchair as claimed in claim 1, wherein: a first clamping groove (13) is formed in the surface of the outer wall of the sliding plate (12), a sliding block (14) is connected to the surface of the outer wall of the first clamping groove (13) in a sliding mode, and the sliding block (14) is connected with the supporting plate (10) in a sliding mode.

5. The electric wheelchair as claimed in claim 1, wherein: second support frame (30) outer wall fixed surface connects cushion (33), first bracing piece (15) one end of sixth bracing piece (31) outer wall surface sliding connection, first bracing piece (15) one end sliding connection second draw-in groove (16), second draw-in groove (16) are seted up respectively in second bracing piece (17) and third bracing piece (19).

6. The electric wheelchair as claimed in claim 1, wherein: drive mechanism includes motor (5) and gear (4), backup pad (10) outer wall fixed surface connects motor (5), motor (5) output end fixed connection gear (4), first pivot (1) outer wall fixed surface connects first bearing (6), first pivot (1) outer wall fixed surface connects first wheel (3) middle part.

7. The electric wheelchair as claimed in claim 1, wherein: the wheel is characterized in that the surface of the outer wall of the first bearing (6) is fixedly connected with a first support frame (7), the surface of the outer wall of the first support frame (7) is fixedly connected with a second bearing (8), and the surface of the outer wall of the second bearing (8) is fixedly connected with a second wheel (9).