KR101372262B1 - Motorized lifting device for wheelchair - Google Patents

Abstract

The present invention relates to a lifting device for a wheelchair, which is used in mounting a wheelchair in a mounting unit in a vehicle. The lifting device for a wheelchair comprises: a mounting unit (10) where a wheelchair is seated; a rotating unit (20) which rotates the mounting unit (10); a lifting unit (30) which lifts the mounting unit (10) and the rotating unit (20); a moving unit (40) which is installed on the lower part of the lifting unit (30) in order to move the lifting device; and a controller (50) which controls the operation of the lifting unit (30). Therefore, the lifting device of the present invention for the said wheelchair can be accurately positioned to a mounting unit, etc. in a vehicle without moving the entire lifting device even when the lifting device is not accurately positioned to the mounting unit in the vehicle.

Description

Motorized Lifting Device for Wheelchair

The present invention relates to a lift device for a wheelchair, and more particularly, when getting on or off a vehicle such as a car or a train, or when climbing up or down a staircase, the occupant of the wheelchair gets out of the wheelchair or the assistant does not lift the wheelchair. The present invention relates to a wheelchair elevating device that can get on and off or climb stairs, and can be accurately and safely positioned on a vehicle's boarding or stairs.

As society develops, policies to protect the socially underprivileged are being implemented. As part of this, devices and facilities for improving the convenience of the handicapped and the elderly are being supported and developed. Can be.

Wheelchair lifting devices are generally used to lift a wheelchair up and down while an elderly person, a patient, or a disabled person (hereinafter referred to as a "passenger") is in a wheelchair. It is used to move up and down the "boarding gate".

Such a wheelchair lift device allows a passenger in a wheelchair to lift the wheelchair up to the height of a vehicle by using a lift provided in the wheelchair lift. It can be used to board a vehicle without getting off, or a wheelchair occupant in a vehicle that is lifted up to the height of the gate of the vehicle to safely get off the ground using the lift.

However, the conventional wheelchair lift device is used after the wheelchair lift device is roughly positioned toward the gate of the vehicle, either manually or by power, even though the position and the distance from the gate or stairs must be accurately positioned. And if the distance is correct, the wheel of the wheelchair is severely shaken or caught in the gap between the gate and the wheelchair lift while the wheelchair is getting on and off using the wheelchair lift, which causes the wheelchair to The occupant may feel insecure and lack safety.

In this way, when the position or direction of the wheelchair lift device is incorrect, the wheelchair lift device is normally positioned in accordance with the position and distance of the boarding gate or the stairs while moving backward and forward several times. There are many difficulties in using wheelchair lifts.

In order to solve the problems of the conventional wheelchair lifting device as described above, the inventors have received a patent (Patent No. 1083365) by proposing a wheelchair lifting device, and the wheelchair lifting device includes a board for riding a wheelchair ( 110 and the boarding auxiliary plate 120 provided at one side of the board 110 and the boarding auxiliary board 120 provided at the other side of the boarding board 110 and the boarding board 110 to get off the wheelchair and the boarding auxiliary board 120. ) Between the boarding table 100 and the boarding table 100, which are fastened to the boarding plate 110 and configured to include a protection guide 140 having a predetermined height, at a predetermined interval. It is fastened to the upper frame 200 and the upper frame 200 and the at least one guide frame 310 to be fastened to the lower side of the board plate 110 to enable horizontal movement horizontally, the upper frame 200 or the guide frame (3) 10 is fastened with the lift 300 is fastened to the lifting table 100 and the upper frame 200 to move up and down, consisting of a lower frame 400 provided with a caster 410, the wheelchair lifting device Even if it is not accurately located in the boarding gate, it can be accurately positioned in the boarding gate, etc. without repeatedly moving the entire wheelchair lifting device several times.

However, the wheelchair lifting device proposed in the above document can only be accurately positioned at the gate without having to repeatedly move the entire wheelchair lifting device several times only if the wheelchair lifting device is not accurately positioned in the vehicle gate. If the wheelchair lift device is positioned at an angle that is displaced from the boarding gate, etc., it is still inconvenient to repeatedly move the entire wheelchair lift device several times in order to accurately position the wheelchair lift device at the gate.

On the other hand, the lifting device for wheelchairs is generally provided with a drop-off subsidiary board so that the wheelchair can easily access a staircase or a boarding gate, and the height of the gate or stairway of the vehicle because the get-off subsidiary plate has a predetermined length If the height is higher than normal, the boarding board does not reach the top of the boarding or stairway, or there is a gap or stepped between the boarding board and the top of the stairs there is a problem that the wheelchair can not easily board the gate of the vehicle. .

The present invention has been made to solve the problems of the conventional wheelchair lifting device as described above, even if the wheelchair lifting device is not accurately positioned or positioned at the displaced angle of the vehicle wheelchair without having to repeatedly move the entire lifting device for wheelchairs It is to provide a lift device for wheelchairs so that the passengers can safely board the gates of the vehicle and also easily ride the wheelchairs to the gates of the vehicle even when the height of the gates or stairs of the vehicle is higher than usual. There is a purpose.

An object of the present invention as described above is a lifting device for a wheelchair, a riding plate seated on an upper surface of the wheelchair and provided with hinge shafts at both ends, a riding auxiliary plate connected to one side hinge shaft of the riding plate, and the other side of the riding plate. A boarding portion comprising a lowering auxiliary plate connected to a hinge shaft and a pair of protective guides disposed between the lowering auxiliary plate and the lowering auxiliary plate and installed vertically along a side of the upperboard; The rotary plate is installed in the lower portion of the boarding unit and provided with a rotary shaft having a downward length in the center and spaced along the circumference of the rotary shaft and a circular guide groove is formed, and is located below the rotary plate, the rotary shaft is rotatably coupled A rotation part installed on the rotation support plate and the upper surface of the rotation support plate, the rotation part including a plurality of bolt transferers contacting the guide groove; A moving part installed at a lower part of the rotating part and provided with a caster and a wheel;

One end of the lifting frame is fixed or slidably coupled, the other end of the lifting frame is installed opposite to each other in the form of "X" so as to be slidably coupled or fixed to the moving portion, and the lifting frame in the cross section An elevating unit including a connecting member installed at one end thereof, and a lift having one end fixed to the moving unit and the other end fixed to the connecting member to slide the pair of elevating frames by a draw-out operation; It is achieved by configuring a controller installed in the moving part to control the operation of the lift of the lifting unit.

In this case, it is preferable that the subsidiary plate consists of a first subsidiary plate and a second subsidiary plate, and the first subsidiary plate and the second subsidiary plate are hinged by a hinge axis and a hinge coupler.

And the hinge shaft is provided with a plurality of torsion springs, it is more preferable that the riding auxiliary plate and the getting off auxiliary plate is elastically supported by the torsion spring.

In addition, it is preferable that the guide groove is formed to have a plurality of stop grooves that are relatively deeper than the depth of the guide groove at a predetermined angle interval.

And the moving part is provided with a driving device for providing a driving force, the driving device is preferably made of an electric motor or a transaxle.

The wheelchair lifting device of the present invention can be rotated at any angle, so if the wheelchair is not accurately positioned on the gate of the vehicle, the wheelchair lift device for the gate of the vehicle is merely rotated accordingly without moving the entire lifting device. Can be positioned accurately

In addition, the present invention can be extended to extend the stop board consisting of a two-stage or multi-stage as necessary, so that even if the height of the boarding gate is higher than usual, even if the distance from the boarding gate of the vehicle, etc., the wheelchair can be safely boarded to the boarding gate of the vehicle, etc. have.

In addition to the present invention, since the transaxle is mounted on the moving part, the elevating device for the wheelchair can be moved by an electric method, and the movement is simple and convenient.

In addition, in the present invention, since a plurality of torsion springs are installed at a portion where the boarding board and the boarding board or the boarding board and the boarding board are connected, the boarding board and the boarding board do not need to be grounded by the elasticity of the torsion spring. It is more convenient because it folds on its own.

1 is a perspective view showing the structure of a conventional wheelchair lifting device;
2 is a perspective view of a lift device for a wheelchair according to the present invention;
3 is a side view of a lift device for a wheelchair according to the present invention;
4 is an exploded perspective view of a lift device for a wheelchair according to the present invention;
Figure 5 (a), Figure 5 (b) is a perspective view showing the riding auxiliary plate and the getting off auxiliary plate of the lifting device for wheelchairs according to the present invention, respectively;
Figure 6 (a) is a perspective view of the boarding portion of the lifting device for wheelchairs according to the present invention,
Figure 6 (b) is a perspective view showing the bottom of the vehicle by rotating the Figure 6 (a) 180 °,
Figure 7 (a) is a perspective view of the bolt transfer unit of the rotating portion according to the present invention,
Figure 7 (b) is a perspective view showing a ball bearing of the rotating part according to the present invention,
8 is a side view showing a fastening relationship between the riding unit and the rotating unit according to the present invention;
9 is a use state diagram showing the rotation operation of the riding unit according to the present invention,
10 is a perspective view showing a coupling relationship between the lifting unit and the moving unit according to the present invention;
11 is a state diagram showing the lifting operation of the lifting unit according to the present invention.

Hereinafter, the configuration of the present invention through the accompanying drawings showing a preferred embodiment will be described in more detail.

The present invention relates to a wheelchair lifting device for safely elevating a wheelchair, such as a gate of the vehicle, as shown in Figures 2 and 3, the boarding unit 10, the rotating unit 20, the lifting unit 30, the moving unit 40 and the controller 50.

As shown in FIG. 4, the boarding unit 10 is provided on one side of the boarding plate 11 on which the wheelchair on which the passenger boards is seated and the boarding board 11 to ride the wheelchair on the boarding plate 11. It is provided between the auxiliary plate 12 and the other side of the boarding plate 11 and is provided between the boarding board 13 for getting off the wheelchair from the boarding board 11, and the boarding board 12 and the boarding board 13. It consists of a protective guide 14 which is installed on both sides of the plate 11 to a certain height.

The boarding plate 11 on which the wheelchair to be boarded is seated on an upper portion thereof is made of a square plate of a size sufficient to seat the wheelchair, and both ends of the boarding board 12 and the boarding board 13, which will be described later, are coupled to each other. Hinge shaft (S) is provided.

And the board plate 11 may be further provided with a wheelchair wheel fixing means (not shown) so that the wheelchair can be fixed without moving while the wheelchair lifting device is operating.

The ride assistance plate 12 provided on one side of the ride plate 11 to allow the wheelchair to ride on the ride plate 11 may be configured as shown in FIGS. 5 (a) and 6 (a), respectively. As the hinge coupler C is coupled to one side hinge shaft S, the riding subsidiary plate 12 can be rotated about the hinge axis S, thereby folding or unfolding the riding subsidiary plate 12 as necessary. have.

At this time, when the boarding auxiliary plate 12 is unfolded, it functions as an auxiliary plate for riding, and when folded, it functions as a protective plate for guiding the wheelchair not to leave the boarding plate 11, and thus the boarding auxiliary plate 12 is folded to serve as a protective plate. When functioning, it is preferable that the side board of the boarding board 11 is provided with the board | substrate board | substrate hanger 11A so that the folded state of the boarding board 12 may be maintained as it is.

And when the ride auxiliary plate 12 is extended to function as an auxiliary plate for riding, one end of the ride auxiliary plate 12 is in contact with the ground, wherein the height of one end of the ride auxiliary plate 12 in contact with the ground is formed stepped In order to prevent the wheelchair from being easily moved because of this, it is preferable that one end of the riding subsidiary plate 12 is formed to have a relatively thin thickness or to be inclined relative to other parts.

And the other side of the boarding plate 11, the getting off auxiliary plate 13 is installed on the other side of the boarding plate 11 so as to move the wheelchair to the boarding gate of the vehicle.

In this case, as described above, when the height of the boarding gate or the stairs of the vehicle is higher than usual, the subsidiary board 13 may not come into contact with the top of the boarding or stairs of the vehicle. As shown in (b), the get-off subplate 13 is composed of the first subplate 13A and the second subplate 13B, and the first subplate 13A and the second subplate 13B are hinge shafts 13D. And hinge coupling by the hinge coupler 13E enables folding and unfolding, thereby allowing the wheelchair to be safely and easily moved to the boarding gate, regardless of the height of the boarding or stairway of the vehicle.

In addition, a portion to which the board 11 is hinged to the board subsidiary board 12 or the board subsidiary board 13, that is, the hinge shaft (S) may be further provided with a plurality of torsion springs, respectively, by lifting the wheelchair After moving on the device or after placing the wheelchair on the boarding gate or the like, the board and the board 12 and the board and the board 13 are folded by themselves by the torsion spring without having to ground the board and the board and the board. It is convenient and safety is further enhanced since they each function as a protective guide when folded. In addition, although the above-described getting-off auxiliary plate 13 has a structure that can be folded in two stages of the first subsidiary plate 13A and the second subsidiary plate 13B, it may be configured in multiple stages as necessary.

Route guide guides 12A and 13C each having a predetermined height are formed on both side surfaces of the ride assistance plate 12 and the getoff assistance plate 13, whereby the movement of the wheelchair is guided safely.

In addition, a protective guide 14 having a predetermined height is installed on both sides of the board 11 to prevent falling of the wheelchair when the wheelchair is elevated, and an assistant or the like is provided on the upper side of the protective guide 14. A pair of handles 15 are provided to easily adjust the moving direction of the elevating device.

According to the present invention, if necessary, the wheelchair 10 by rotating the vehicle 10 at an appropriate angle, for example, when the wheelchair lifting device is positioned at an angle that is displaced from the gate of the vehicle. Rotating portion 20 is provided to easily board the gate, such a rotating portion 20 is located in the lower portion of the boarding portion 10, as shown in Figure 6 and 7, the rotating plate 21, the rotating support plate ( 22) and the support frame 23.

The rotating plate 21 is a plate-shaped frame that is fixedly installed on the bottom surface of the boarding plate 11 of the boarding unit 10, and a rotating shaft 21A is fixedly installed at the center thereof and spaced along the circumference of the rotating shaft 21A. As a result, a circular guide groove 21B is formed around the rotation shaft 21A.

In addition, the upper surface of the rotary support plate 22 coupled to the rotary plate 21 while being positioned below the rotary plate 21 is inserted into the guide groove 21B of the rotary plate 21 to guide the guide groove 21B. A plurality of bolt transfers 22A moving along the surface are provided, and the center of the bottom surface of the rotary support plate 22, that is, the rear surface of the surface on which the plurality of bolt transfers 22A is provided, has a center of the rotating plate 21 therein. The ball bearing 22B to which one end of the rotating shaft 21A fixed thereto is coupled is fixedly installed, and as a result, as shown in FIG. 9, the rotating plate 21 has a circular guide groove 21B around the rotating shaft 21A. By rotating along), the boarding portion 10 located above is rotated. At this time, a plurality of stop grooves H, which are dug deeper than the grooves around the grooves are formed in the guide groove 21B at regular angle intervals, and a plurality of bolt transferers are formed in these stop grooves H. By selectively inserting 22A, the rotating plate 21 can be stopped at an angle without being easily rotated. At this time, the bolt lancer (22A) is a structure in which a ball is inserted into the cylindrical housing and a spring is provided in the lower part of the ball, and the ball is moved up and down according to the depth of the guide groove 21B by this structure. Rotates along 21B.

The support frame 23 which supports the rotating support plate 22 and is coupled to the lifting unit 30 to be described later is a rectangular frame having a space formed therein, and the first inner frame 23A is spaced at a predetermined interval in the space portion. And the second inner frame 23B are installed in the longitudinal direction of the support frame 23, and the first inner frame 23A and the second inner frame 23B are installed by the rotation support plate 22 installed at right angles thereto. Connected.

As shown in FIG. 10, the elevating unit 30 that provides the elevating force necessary for elevating the boarding unit 10 and the rotating unit 20 has an “X” between the inner link 31A and the outer link 31B. Lifting frame 31 which is respectively installed on the left and right in a state intersecting in the shape of a child, a hinge shaft 32 for fixing two ends of the four ends of the lifting frame 31, and the rest of the lifting frame 31. Roller 33 provided on the side of the two ends, a fixing pin 34 for fixing the intersection of the lifting frame 31, and a pair of "X" shaped lifting frame 31 across each other Connecting member 35 and coupled to the lift 36 to be described later, one end thereof is connected to the connecting member 35 and the other end is fixed to the lower frame 41 of the moving part 40 to be described later, the lifting unit ( And a lift 36 that provides lifting power to 30.

In this case, the lift 36 may be made of a hydraulic or pneumatic cylinder or an electric motor as in a conventional lift, and a detailed configuration thereof is well known and thus will be omitted.

And two ends of the elevating frame (31) installed on the left and right cross each other in the form of "X" is fixed to the support frame 23 and the lower frame 41 by the hinge shaft 32, respectively, the remaining two The side of the end is provided with a roller 34 to move along the support frame 23 and the lower frame 41, respectively, whereby the lifting unit 30 is moved up and down by the operation of the lift 36 The roller 34 moves up and down along the support frame 23 and the lower frame 41.

In addition, the lift 36 providing the lifting force to the lifting unit 30 is provided with a switch (not shown) for operating the lift 36, the switch is a controller installed at a predetermined position of the lower frame 41 Connected with 50.

The moving part 40 is provided at the lower part of the lifting part 30 so that the wheelchair lifting device of the present invention can move to the gate of the vehicle, and the like. The moving part 40 is the lifting part 30 as shown in FIG. 10. A hinge shaft 32 for hinge connecting the inner link 31A and the outer link 31B of the lower side is formed to support the lifting unit 30 on one side of the bottom of the lower frame 41 and the bottom of the lower frame 41. A pair of left and right casters 42 to be installed, a driving device 43 for providing a driving force to the moving part 40, and a pair connected to the driving device 43 and installed on the other side of the bottom of the lower frame 41. The wheel 44 is made of.

In addition, the drive unit 43 is provided on the bottom of the lower frame 41 at a predetermined distance from the caster 42 to provide a driving force for movement to the moving unit 40 is connected to the drive gear and the driven gear of various forms And a method of transmitting rotational power, a method of transmitting rotational power by connecting a chain and a sprocket or a timing belt and a pulley, a method of transmitting a rotational power by installing a reduction gear and an electric motor on a drive shaft, and a known transaxle ( transaxle) can be implemented in any one drive mode selected by those skilled in the art for ease of implementation.

And it is preferable that each of the four corners of the lower frame 41 is further provided with a buffer rubber 45 so as to act as a buffer against collision with obstacles and the like during the movement of the lifting device for wheelchairs of the present invention.

And one side of the lower frame 41 is provided with a controller 50 that can control the driving of the lifting unit 30 and the drive device 43, such a controller 50 is installed in a housing made of a rectangular box shape, Inside the housing, a power supply, a control circuit, a hydraulic or pneumatic generator, and the like are installed to properly operate the lifting unit 30, the driving device 43, and the like.

Hereinafter, a brief description of the operation of the wheelchair lifting device of the present invention made of the above configuration.

First, the assistant operates the driving device 43 using the controller 50 or manually positions the wheelchair lift device using the handle 15 to the boarding gate of the vehicle, and then the board of the wheelchair lift device. After unfolding the boarding assistance plate 12 provided at the front end of (11), the wheelchair boarded by the occupant is seated on the boarding board 11 to seat the wheelchair on the boarding board 11.

After the controller 50 is operated to raise and lower the elevator 30 so that the wheelchair is at the same height as the boarding gate of the vehicle, the elevator 30 stops rising, and then the assistant gets off the auxiliary board installed at the rear end of the board 11. After unfolding (13), the wheelchair is moved through the subsidiary board 13 and drawn into the gate.

In this case, when the direction of the getting-off auxiliary plate 13 is not accurately positioned at the gate of the vehicle, the board 10 is properly rotated so that the getting-off auxiliary plate 13 is accurately positioned in the door of the vehicle, and also the end of the getting-off auxiliary plate 13 If the end of the getting-off board 13 is not seated on the boarding gate because the distance from the boarding gate of the vehicle is far from the vehicle, the unloading board 13 is allowed to rest on the boarding gate by unfolding the folded drop-off board 13 to extend the distance. Move the wheelchair toward the vehicle's gate.

As described above, the wheelchair lifting device of the present invention may be rotated at an arbitrary angle, so that when the wheelchair lifting device 10 is not accurately positioned at the gate of the vehicle, the lifting device 10 may be adjusted accordingly without moving the entire lifting device. The height of the boarding gate is higher than usual because it is convenient to move the wheelchair lift device to the boarding gate of the vehicle just by rotating it, and it is also possible to extend the unloading subsidiary plate 13 consisting of two or more stages as necessary. As a result, even when the distance from the gate of the vehicle is far, the wheelchair can be safely boarded in the gate of the vehicle.

10: boarding section 11: boarding board
11A: Ride Aid Hanger 12: Ride Aid
12A: Route Guide 13: Getting Off
13A: First Auxiliary Plate 13B: Second Auxiliary Plate
13C: Path Guide 13D: Hinge Shaft
13E: Hinge splice 14: Protective guide
15: handle 20: rotating part
21: rotating plate 21A: rotating shaft
21B: guide groove 22: rotary support plate
22A: Bolt transfer 22B: Ball bearing
23: support frame 23A: first internal frame
23B: second internal frame 30: lifting unit
31: lifting frame 31A: inner link
31B: outer link 32: hinge shaft
33: roller 34: fixing pin
35: connecting member 36: lift
40: moving part 41: lower frame
42: caster 43: drive unit
44: wheel 45: cushioning rubber
50: controller C: hinge coupler
H: Stop groove S: Hinge shaft

Claims (5)

In the wheelchair lifting device used to elevate the wheelchair of the occupant to the gate of the vehicle, etc.
Ride plate 11 seated on the upper surface and the hinge shaft (S) is provided at both ends, the ride auxiliary plate 12 connected to one side hinge shaft (S) of the board 11, and the board (11) positioned between the dismounting auxiliary plate 13 and the riding subsidiary plate 12 and the disengaging subsidiary plate 13 connected to the other hinge shaft S of the eleven, and installed vertically along the side of the riding plate 11. A boarding unit 10 formed of a pair of protective guides 14;
A rotating plate 21 installed below the boarding unit 10 and having a rotating shaft 21A having a downward length at a center thereof, and spaced apart along a circumference of the rotating shaft 21A to form a circular guide groove 21B; Located in the lower portion of the rotating plate 21, the rotary support plate 22 and the plurality of rotational support plate 22 is rotatably coupled to the upper surface of the rotary support plate 22 is installed in contact with the guide groove 21B A rotating part 20 formed of a bolt transferer 22A;
A moving part 40 installed below the rotating part 20 and provided with a caster 42 and a wheel 44 to travel;
An elevating frame 31 having one end fixed or slidably coupled to the rotating unit 20 and the other end installed opposite to each other in an “X” shape such that the other end is slidably coupled or fixed to the moving unit 40, The connecting member 35 and the one end is fixed to the moving part 40 and the other end is coupled to the connecting member 35 and the lifting member 31 is installed at the intersection where the lifting frame 31 crosses each other. A lifting unit 30 including a lift 36 sliding and lifting the pair of lifting frames 31;
Is installed in the moving part 40 is composed of a controller 50 for controlling the operation of the lift 36 of the lifting unit 30,
The hinge shaft (S) is provided with a plurality of torsion springs, the boarding auxiliary plate 12 and the getting off auxiliary plate 13 is elastically supported by the torsion spring,
Lifting device for a wheelchair, characterized in that formed in the guide groove (21B) a plurality of stop grooves (H) relatively deeper than the depth of the guide groove (21B) at a predetermined angle interval.
The method according to claim 1,
The getting-off subplate 13 includes a first subplate 13A and a second subplate 13B, and the first subplate 13A and the second subplate 13B include a hinge shaft 13D and a hinge coupler 13E. Wheel lift device characterized in that the hinge is coupled by).
delete delete The method according to claim 1 or 2,
The moving part 40 is provided with a driving device 43 for providing a driving force, the driving device 43 is a wheelchair lifting device, characterized in that consisting of an electric motor or a transaxle.

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