KR101620306B1 - Rotary joint hoist type wheelchair storage system for vehicle - Google Patents

Abstract

The present invention relates to a lifting unit provided inside a vehicle trunk for storing and withdrawing a wheelchair and lifting the wheelchair by gripping the wheelchair and lifting the wheelchair by the trunk, And a moving part for slidably moving the lifting part in the forward and backward direction of the trunk to accommodate and withdraw the wheelchair in the trunk. The one end portion is rotatably connected to the roof of the vehicle and the other end portion is selectively connected to the wheelchair to move the wheelchair stored in the wheelchair to the trunk storage device or to transfer the wheelchair from the trunk storage device to the outside Conveying means for moving the conveying means; And a control unit connected to the trunk storage unit to control the storage and withdrawal of the wheelchair in a trunk and to connect the wheelchair to the trunk storage unit and to transfer the wheelchair from the trunk storage unit to the outside, The lifting unit includes a grip member selectively gripping the wheel chair at one end thereof and a control unit provided at the other end of the grip member to rotate the grip member by a signal received from the control unit, The present invention provides a wheelchair storage system for a vehicle of a rotary articulated hoist type.
Therefore, minimizing the storage space of the vehicle roof minimizes the fuel consumption by minimizing the air resistance and minimizing the space required for the trunk for wheelchair storage. Therefore, it can be applied from small sedan to SUV. So that the user can broaden the selection range of the vehicle.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a rotary joint hoist type wheelchair storage system,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a wheelchair storage system for a wheelchair of a revolving joint type, and more particularly, The present invention relates to a wheelchair storage system for a vehicle of a rotary joint hoist type.

Generally, a wheelchair user uses a wheelchair as a direct means of transportation. Therefore, in case of a long distance travel, the problem of transferring a wheelchair is always accompanied. Therefore, when moving to a bus, a subway, or a taxi, In the case of self-driving, the driver relies on the passenger or others to solve the wheelchair transfer problem.

However, the above-described methods require help of others. For a wheelchair user who uses a wheelchair as a direct moving means, the problem of wheelchair transportation always occurs during a long distance travel. In order for a wheelchair user to be able to live independently, However, it is difficult to solve such a transportation problem when the wheelchair user carries out the self-driving. This is due to the fact that wheelchair users are widening their social activities through self-driving as the era of the mica era is opened, and it is urgent to find effective alternatives in light of the increasing trend of elderly self-drivers as an aging society comes along .

On the other hand, there are a top-roof hoist system and a manipulator loading hoist system as wheelchair storage systems for storing the wheelchair in a vehicle.

The top-roof hoist system is a system in which the wheelchair is lifted and lowered and the wheelchair is housed in a storage space mounted on the roof of the vehicle. In this case, the storage space of the vehicle roof is large The appearance of the vehicle is not only unnatural, but also increases the loss of energy due to an increase in air resistance when the vehicle is running. As an example of the technique for the top-loop hoist system described above, US Pat. No. 4,376,611 entitled " Car top carrier for wheelchair ", WO2006 / 006145 discloses a mechanism for insertion of a wheelchair into a car There is a bar.

On the other hand, a manipulator loading hoist method is a method in which a manipulator is mounted on a trunk and the wheelchair is directly housed in the trunk, which is the most natural and clean method by the user, &Quot; Car top carrier for wheelchair "has been disclosed in U.S. Patent No. 4,376,611.

However, in such a case, since the trunk is configured to accommodate all of the storage devices including the wheelchair, it is necessary to secure a certain amount of trunk space, which is difficult to apply to a small sedan. In particular, in the case of the Republic of Korea, the LPG vehicle can be used for the purpose of reducing the fuel cost of the handicapped. In such an LPG vehicle, since the LPG tank is embedded in the trunk, the manipulator loading hoist system There is an impossible problem.

As described above, the conventional wheelchair storage device for a vehicle is not good in appearance because of a large space occupied in the vehicle roof, which causes a decrease in fuel consumption due to air resistance, There is a problem that a vehicle applied in consideration of a trunk space and the like is limited.

The present invention minimizes the storage space of the vehicle roof to improve the appearance, minimizes the air resistance, and improves the fuel economy. In addition, the present invention can provide a rotation The object of the present invention is to provide an articulated hoist-type vehicle wheelchair storage system.

The present invention relates to a lifting unit provided inside a vehicle trunk for storing and withdrawing a wheelchair and lifting the wheelchair by gripping the wheelchair and lifting the wheelchair by the trunk, And a moving part for slidably moving the lifting part in the forward and backward direction of the trunk to accommodate and withdraw the wheelchair in the trunk. The one end portion is rotatably connected to the roof of the vehicle and the other end portion is selectively connected to the wheelchair to move the wheelchair stored in the wheelchair to the trunk storage device or to transfer the wheelchair from the trunk storage device to the outside Conveying means for moving the conveying means; And a control unit connected to the trunk storage unit to control the storage and withdrawal of the wheelchair in a trunk and to connect the wheelchair to the trunk storage unit and to transfer the wheelchair from the trunk storage unit to the outside, The lifting unit includes a grip member selectively gripping the wheel chair at one end thereof and a control unit provided at the other end of the grip member to rotate the grip member by a signal received from the control unit, The present invention provides a wheelchair storage system for a vehicle of a rotary articulated hoist type.

The lifting unit may further include a lifting member that is rotatably coupled to the other end of the grip member and the other end of the lifting unit is rotatably coupled to the moving unit and lifting the wheelchair according to the rotation, The driving unit is provided at the other end of the lifting member, and can rotate the lifting member by a signal received from the control unit.

The moving unit may include a motor, a ball screw disposed in a direction of drawing the wheelchair and connected to the motor, and a ball screw coupled to the ball screw, the ball screw being reciprocated back and forth along the ball screw when the ball screw rotates, And a connection part connected to the lifting part.

The trunk storage device may further include a position fixing part which is provided in a trunk of the vehicle and clamps the wheelchair after the wheelchair is received in the trunk to fix the position of the wheelchair.

The trunk storage device may further include a sensing unit that recognizes whether the wheelchair is stored in the trunk or a safety device that operates when the wheelchair is received in the trunk from the sensing unit.

The trunk storage device may further include a guide portion disposed along the entrance side and the inside of the trunk and guiding the wheelchair stored and drawn in the trunk.

In the meantime, the feeding means is provided in a loop of a vehicle and has a housing space formed therein, and is provided in a housing space of the housing. When the housing is used, the wheelchair is moved from the housing space to move the wheelchair. And a conveyance portion folded and received in the storage space.

It is also preferable that the wheelchair cabinet is provided with a wheelchair storage space for accommodating the wheelchair, and the wheelchair cabinet is seated on the trunk storage device.

The wheelchair storage system for a motor vehicle of the present invention provides the following advantages.

First, by minimizing the storage space of the vehicle roof, it is possible to improve the appearance, thereby compensating for the apparent disadvantages, and minimizing the air resistance, thereby minimizing fuel consumption reduction.

Second, since there is less room for trunk space for wheelchair storage, it is possible to extend the range of applications from small sedans to SUVs, thus widening the choice of users' vehicles.

Third, the wheelchair can be transferred from the vicinity of the driver's seat to the rear trunk position, and can be easily stored and taken out into the trunk, thereby providing maximum convenience in use.

Fourth, not only convenience of use but also safety accident can be prevented, so that the safety of the user can be guaranteed.

Fifth, without a conventional top-loop wheelchair transfer manipulator hoist device, it can be easily utilized by a woman or an elderly person and can be used as an independent semi-automatic wheelchair storage system.

1 is a perspective view showing a wheelchair storage system according to an embodiment of the present invention.
Fig. 2 is a perspective view showing the trunk storage apparatus of Fig. 1;
3 is a block diagram showing a control flow of the control unit of the wheelchair storage system of Fig.
Fig. 4 and Fig. 5 are front views showing the operation of the trunk receiving apparatus of Fig. 1;
Fig. 6 is a perspective view showing a state in which a wheelchair is housed in a trunk by the trunk storage device of Fig. 1;

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 and 2, a vehicle wheelchair storage system 800 (hereinafter referred to as a "wheelchair storage system for a vehicle") of a rotary articulated hoist type according to an embodiment of the present invention includes a trunk storage device 100, A conveying unit 200, and a control unit 300. [

The trunk storage device 100 is provided inside the trunk 12 of the vehicle 10 and is configured to retract the wheelchair 20 and then store and withdraw the wheelchair 20 It plays a role.

In detail, the trunk lid 100 includes a hoisting portion 110 and a moving portion 120 in a hoist type. The lifting unit 110 grips the wheelchair 20 and lifts the wheelchair 20 to the trunk 12 and includes a grip member 111 and a lifting member 112 having a link structure, (See FIG. 4).

The grip member 111 can selectively grip the wheelchair 20 at one end in a bar shape. Here, various configurations such as a known hook structure, a clamp structure, and an electrical magnetic structure can be applied to the structure for selectively gripping the wheelchair 20, and a detailed description thereof will be omitted.

The lifting member 112 is bar-shaped and has one end rotatably coupled to the other end of the grip member 111 and the other end rotatably coupled to the moving unit 120, And lifts the wheel chair 20 according to the rotation.

The driving units 113 and 114 are provided at the other end of the grip member 111 and at the other end of the lifting member 112 and are connected to the grip member 111 and the grip member 111 by a signal received from the control unit 300. [ And serves to rotationally drive the lifting member 112.

The driving units 113 and 114 include motors, worm gears that are axially coupled to the shaft of the motor, gears that are engaged with the worm gears and include driven gears that are engaged with the grip member 111 and the lifting member 112 So that the gear portion can be rotated to move the grip member 111 and the lifting member 112 in accordance with the operation of the motor. In the meantime, although the driving units 113 and 114 include the motors and the worm gears, the driving units 113 and 114 are examples of the driving unit 113 and 114, It is needless to say that various configurations can be applied as long as they are rotatable about the shaft. In addition, although the grip member 111 and the lifting member 112 are each formed of one link, the preferred embodiment of the present invention is not limited thereto, Various links such as joint links can be applied.

The moving part 120 is connected to the lifting part 110 to slide the wheelchair 20 and the lifting part 110 in the forward and backward directions of the trunk 12 when the wheelchair 20 is lifted, And serves to store the wheelchair 20 inside the trunk 12 and pull it outward.

In detail, the moving unit 120 includes a motor 121, a ball screw 122, and a connecting unit 123. The motor 121 rotates the ball screw 122 in the normal direction and the reverse direction so that the connection portion 123 can reciprocate in the forward and backward directions along the ball screw 122. Here, the motor 121 is driven according to a signal received from the controller 300, and the rotation speed control and the like are operated in consideration of the storage and retrieval speed of the wheelchair 20.

Although the moving unit 120 transmits the power of the motor 121 to the ball screw 122 through the power transmission unit 1211 due to the narrowness of the trunk 12, This is because the motor 121 and the ball screw 122 are directly connected to each other according to the space of the trunk 12 or the like so that the power of the motor 121 is directly transmitted to the ball screw 122 Of course it is. In addition, a detailed description of the motor 121 can be applied to a known electric motor, and a detailed description thereof will be omitted.

The ball screw 122 is disposed in the pull-out direction of the wheelchair 20 and rotates by receiving a rotational force from the motor 121. One or more of the ball screws 122 may be spaced apart from each other in consideration of the size of the wheel chair 20 and the space of the trunk 12. The arrangement may be such that the wheel chair 20 is stably supported If so, a variety of applications are possible.

The connection part 123 is reciprocated back and forth along the ball screw 122 in accordance with the normal and reverse rotation of the ball screw 122 and is connected to the lifting part 110, So that the lifting unit 110 and the wheelchair 20 can be stored or taken out from the trunk 12. Here, the connection part 123 includes a connection nut which is connected to the ball screw 122 so as to be coupled with the ball screw 122 as a cylindrical inner circumferential surface, and a fixing part fixedly coupled to the connection nut and the lifting part 110 And the detailed configuration thereof will be omitted since it corresponds to the operation and configuration of the known ball screw 122 and the nut.

3, the trunk storage device 100 is provided inside the trunk 12 of the vehicle 10 and stores the wheelchair 20 in the trunk 12, And a position fixing unit 400 for clamping the position of the wheelchair 20 to fix the position of the wheelchair 20.

In addition, the trunk storage device 100 includes a sensing unit 510 for recognizing whether the wheelchair 20 is stored in the trunk 12, and a controller 50 for, when the wheelchair 20 is stored in the trunk 12, And a safety device 520 for clamping the wheelchair 20 received and receiving signals from the sensing unit 510 to fix the position of the wheelchair 20.

Here, the sensing unit 510 senses whether the wheelchair 20 is housed in the trunk 12, and may include various known positions, such as a position sensor and a contact sensor, Can be used.

The safety device 520 can secure the position of the wheelchair 20 by fixing the position of the wheelchair 20 when the wheelchair 20 is received and securely hold the wheelchair 20 safely It plays a role of catching.

The safety device 520 has a structure for clamping or unclamping the wheel chair 20 according to a signal received from the sensing unit 510. Various configurations such as an actuator, a motor, and a wire can be applied. The safety device 520 includes a hook structure for clamping the wheelchair 20 and a hook structure for hooking the wheelchair 20 or a cabinet 700 described below according to an operation, A configuration for clamping or unclamping the wheelchair 20 or the cabinet 700 according to the present invention may be applied.

In the meantime, a method in which the position fixing unit 400, the sensing unit 510 and the safety device 520 are driven independently of each other, or the control unit 300 is connected to the controller 300, And a method of integrally controlling the control unit 400 may be applied. That is, the sensing unit 510 transmits the reception information of the wheelchair 20 to the controller 300, and the controller 300 controls the safety unit 520 based on the signal of the sensing unit 510, And the like.

The position fixing unit 400 and the safety device 520 clamp or unclamp the wheelchair 20 or the wheelchair cabinet 700 according to a signal, And a clamping device that operates according to the present invention, and a detailed description thereof will be omitted.

In this embodiment, the position fixing unit 400 and the safety device unit 520 are configured separately and each is driven and controlled. However, in some cases, And the safety device 520 may be integrated into one unit.

One end of the conveying means 200 is rotatably connected to the roof 11 of the vehicle 10 and the other end is selectively connected to the wheelchair 20 to rotate the wheelchair 20 To the trunk storage device 100 or to move the wheelchair 20 from the trunk storage device 100 to the outside.

Specifically, the conveying means 200 includes a housing 210 provided in the roof 11 of the vehicle 10 and a conveying unit 220 provided in the housing 210. The housing 210 is provided in the roof 11 of the vehicle 10 and has a storage space therein to house the transfer unit 220. The housing 210 can be opened and closed and can be opened or closed according to the operation of the transfer unit 220. The opening and closing operations can be performed automatically or manually by a user by the control unit 300 .

The transfer unit 220 is provided in a storage space of the housing 210 and is extended from the storage space to move the wheelchair 20 when the control unit 300 is used by the controller 300. When the storage unit 220 is not used, As shown in Fig. Here, the feeder 220 includes a multi-joint structure (rotating joint) as shown, and various configurations such as a wire type and a telescopic configuration can be applied, and a detailed description thereof will be omitted. Further, the transfer unit 220 may include a gripper at a distal end portion coupled to the wheelchair 20 to easily clamp or unclamp the wheelchair 20. The detailed description of the gripper may be applied to a case where the above- If it can be done, it can be applied to any known configuration.

In addition, the conveying unit 200 can be applied to the conveying unit 220 as described above, but a well-known manipulator may be applied.

In the meantime, the vehicle wheelchair storage system 800 is provided with a wheelchair storage space 701 capable of receiving the wheelchair 20 in a substantially box shape having both sides thereof opened, and the wheelchair storage space 701 is provided in the trunk storage device 100 It is preferable to further include a wheelchair cabinet 700 to be seated.

The wheelchair cabinet 700 has a box shape in which the specification side is opened in consideration of the size of the wheelchair 20 and accommodates the wheelchair 20 in the wheelchair storage space 701, And the upper end portion is clamped to the transfer portion 220. [ Here, it is preferable that the coupling between the upper end of the wheelchair cabinet 700 and the end of the conveyance unit 220 is performed by using an electromagnet, but other clamping structures can be applied. Meanwhile, the wheelchair 20 is preferably a foldable wheelchair 20 for compactness of a necessary space.

Further, the vehicle wheelchair storage system 800 includes a guide unit 600 for supporting the wheelchair cabinet 700 in a stable manner when the wheelchair cabinet 700 is lifted and seated. The guide part 600 is formed to be upwardly folded so that the wheel chair cabinet 700 can be seated upward.

In addition, the vehicle wheelchair storage system 800 may include a rainwater collecting system that can be conveniently used by a user whose behavior is poor even in a rainy day through a universal design. Here, the rainwater collecting system is constructed such that the plate-shaped plate is protruded to the upper portion of the wheelchair occupant by the actuator utilizing the roof space for supporting the storage box installed in the roof 11 of the vehicle 10 Can be configured. In another embodiment, the rainwater collecting system can be configured so that the flexible material can be expanded in a horizontal direction or a fan-like direction using a folded wrinkle material.

The control unit 300 is connected to the trunk storage unit 100 to control the wheelchair 20 to be received and taken out by the trunk 12 and connected to the conveying unit 200 to rotate the wheelchair 20 And controls the conveying means 200 to retract the wheelchair 20 from the trunk storage device 100 to the outside. The control unit 300 drives and controls the position fixing unit 400 and senses the housed state signal of the wheelchair 20 from the sensing unit 510 to control the safety unit 520 have. Further, the control unit 300 may enable the integrated control of the vehicle in conjunction with the ECU of the vehicle 10. [

4 and 5 illustrate the operation of the trunk storage device 100. Referring first to FIG. 4, the wheelchair cabinet 700, in which the wheelchair 20 is housed, And is clamped to the grip member 111 of the lifting portion 110 of the trunk storage device 100 when it is positioned at the rear end. The lift member 112 and the grip member 111 are rotated by the driving units 113 and 114 so that the wheelchair cabinet 700 is moved to the inside of the trunk 12 as shown in FIG. The wheelchair cabinet 700 is lifted to the side of the trunk 12 while the wheelchair cabinet 700 is retracted to the inside of the trunk 12 by the moving part 120 at the same time. The wheelchair cabinet 700 housed in the trunk 12 is accommodated compactly in the trunk 12 as shown in FIG.

As described above, the vehicle wheelchair storage system 800 of the present invention is configured such that only the transfer means 200 is mounted on the roof 11 of the vehicle 10 to minimize the storage space of the roof 11, And the wheelchair 20 can be accommodated in the trunk 12 to maximize the space of the trunk 12 and achieve optimal storage of the wheelchair 20. [ In addition, since the vehicle wheelchair storage system 800 can transfer the wheelchair from the driver's seat to the trunk storage device 100 without the assistance of the assistant, it is possible to further improve the opportunities for self-reliance and vocational rehabilitation of the wheelchair user.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

100 ... trunk storage device 110 ... lifting part
111 ... grip member 112 ... lifting member
113, 114, ..., a driving unit 120,
121 ... Motor 1211 .. Power transmission unit
122 ... ball screw 123 ... connection
200 ... transfer means 210 ... housing
220 ... transfer unit 300 ... control unit
400 ... position fixing unit 510 ... sensing unit
520 ... Safety device part 700 ... cabinet
800 ... wheelchair storage system

Claims (5)

A lifting unit provided inside the vehicle trunk for receiving and withdrawing a wheelchair to lift the lifting unit by gripping the wheelchair and lifting the wheelchair by the trunk; and a lifting unit connected to the lifting unit to lift the wheelchair and the lifting unit, A trunk storage device including a moving part slidably moving in the front and rear direction of the trunk to store and draw the wheelchair into and out of the trunk;
The one end portion is rotatably connected to the roof of the vehicle and the other end portion is selectively connected to the wheelchair to move the wheelchair to the trunk storage device or to transfer the wheelchair from the trunk storage device to the outside, ; And
And a control unit connected to the trunk storage unit to control the wheelchair to be received and taken out by a trunk, to connect the wheelchair to the trunk storage unit and to draw the wheelchair from the trunk storage unit to the outside, And a controller for controlling the driving of the motor,
The lifting unit includes:
A grip member for selectively gripping the wheelchair at one end,
And a driving unit provided at the other end of the grip member for rotationally driving the grip member by a signal received from the control unit.
The method according to claim 1,
The lifting unit includes:
Further comprising a lifting member that is rotatably coupled to the other end of the grip member at one end and is rotatably coupled to the moving unit at the other end to lift the wheelchair as the wheel rotates,
The driving unit includes:
Wherein the lifting member is provided at the other end of the lifting member and rotates and drives the lifting member by a signal received from the control unit.
The method according to claim 1,
The moving unit includes:
A motor,
A ball screw disposed in a direction in which the wheelchair is drawn out and connected to the motor and rotating,
And a connecting part coupled to the ball screw and reciprocating back and forth along the ball screw when the ball screw rotates, and connected to the lifting part.
The method according to claim 1,
The conveying means
A housing provided in a roof of the vehicle and having a storage space therein,
And a transporting unit provided in the housing space of the housing and extending from the storage space to move the wheelchair when in use and folded and received in the storage space when not in use.
The method according to any one of claims 1 to 4,
Further comprising a wheelchair cabinet in which a wheelchair accommodating space capable of accommodating the wheelchair is provided therein and which is seated in the trunk storage device.

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