WO2018010551A1 - 越障轮椅 - Google Patents

越障轮椅 Download PDF

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Publication number
WO2018010551A1
WO2018010551A1 PCT/CN2017/090969 CN2017090969W WO2018010551A1 WO 2018010551 A1 WO2018010551 A1 WO 2018010551A1 CN 2017090969 W CN2017090969 W CN 2017090969W WO 2018010551 A1 WO2018010551 A1 WO 2018010551A1
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WO
WIPO (PCT)
Prior art keywords
leg
obstacle
walking
connecting plate
motor
Prior art date
Application number
PCT/CN2017/090969
Other languages
English (en)
French (fr)
Inventor
邱昌贤
Original Assignee
嘉兴川页奇精密自动化机电有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 嘉兴川页奇精密自动化机电有限公司 filed Critical 嘉兴川页奇精密自动化机电有限公司
Publication of WO2018010551A1 publication Critical patent/WO2018010551A1/zh

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/06Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/06Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
    • A61G5/061Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps for climbing stairs
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10Parts, details or accessories
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00General characteristics of devices
    • A61G2203/10General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00General characteristics of devices
    • A61G2203/10General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
    • A61G2203/16Touchpads

Definitions

  • the present invention relates to a wheelchair, and more particularly to a wheelchair barrier.
  • Wheelchairs are a means of transport for physically disabled or inconvenient people.
  • conventional wheelchairs have poor adaptability and mobility. If you encounter complicated road conditions such as downhill, stairs, obstacles, etc., wheelchairs will be difficult to pass. technical problem
  • the present invention provides a wheelchair barrier.
  • a wheelchair barrier comprising a frame and a walking system disposed on the frame, a seat system, a carrying balance system and an operating system, the walking system comprising a plurality of walking legs
  • the walking leg includes a connecting member, a first leg and a second leg, wherein the first leg and the second leg are respectively hinged on the connecting member, and the first driving mechanism is configured to form a hinge end to rotate forward or backward.
  • the first leg and the second leg are both telescopic structures, and the first leg and the second leg are respectively provided with a second driving transmission mechanism for driving the telescopic thereof.
  • the first transmission mechanism includes a first motor, a first gear, a second gear, a first curved rack, and a second curved rack; the first curved rack is fixed on the first leg, The second curved type rack is fixed on the second leg, the first motor is fixed on the connecting member, and is driven to connect the first gear, the first gear is respectively meshed with the second gear and the first curved rack, the first The two gears mesh with the second curved rack.
  • the first leg includes a first upper leg and a first lower leg, and the first upper leg is slidably sleeved with the first lower leg;
  • the second leg includes a second upper leg and a second lower leg.
  • the second upper leg is slidably sleeved with the second lower leg;
  • the second drive transmission mechanism includes a second motor, a first ball screw, and the second motor is driven to connect the first ball screw,
  • the first ball screw is disposed on the first upper leg and the first lower leg Between the feet or between the second upper leg and the second lower leg.
  • the bottom of the first lower leg is provided with a crawler walking assembly
  • the crawler walking assembly includes a first support member, a third motor, a first rotating shaft, a crawler wheel, and a crawler belt;
  • the first supporting member is symmetrically disposed.
  • the crawler wheel is symmetrically disposed on the two first support members and connected by the first rotating shaft, the crawler pulleys on the same first support member are connected by the crawler belt, the third motor is fixed on the first support member, and the output thereof is The end drive is connected to the first shaft.
  • the bottom of the second lower leg is provided with a roller walking assembly, the roller walking assembly includes a second supporting member, a universal wheel, a fixed wheel and a fourth motor; the fixed wheel is fixed on the second lower leg, The second support member is hinged at a center of the fixed wheel, the universal wheel is fixed on the second support member, the fourth motor is fixed on the second support member, and the output end thereof drives the connection fixed wheel.
  • the walking feet are provided with four sets, wherein the two sets of walking legs are rotatably connected to both sides of the bottom of the rack through a connecting member, and the steering is controlled by a steering mechanism.
  • the other two sets of walking legs are slidably connected to the two sides of the rear end of the rack through the connecting member, and are controlled to be lifted and lowered by a lifting mechanism.
  • the seat system includes a seat, a backrest, a foot pedal, a connecting plate; the seat is fixed on the frame, and the backrest and the rear end of the seat, one end of the connecting plate Between the front ends of the seats, the other end of the connecting plate and the foot pedals are rotatably engaged by a set of rotation adjustment mechanisms.
  • the connecting plate comprises an upper connecting plate and a lower connecting plate, wherein the upper connecting plate and the lower connecting plate are slidably engaged, and the third connecting plate and the lower connecting plate are provided with a third driving driving relative sliding Drive the drive mechanism.
  • the lower end of the lower connecting plate is further provided with a rolling wheel.
  • DRAWINGS 1 is a schematic structural view of a wheelchair barrier according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural view of a walking system after hiding part of the structure according to an embodiment of the present invention.
  • FIG. 3 is an enlarged schematic view of a portion A in FIG. 2.
  • FIG. 4 is a schematic structural view of a crawler walking assembly according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural view of a roller walking assembly according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural view of a seat system according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural view of the seat system after the upper connecting board is hidden according to an embodiment of the present invention.
  • a wheelchair barrier includes a frame 3 and a walking system and a seat system disposed on the frame 3.
  • the rack 3 includes a bottom plate 31 and side plates 32 surrounding the bottom plate 31.
  • the walking system includes four sets of walking feet 1, wherein two sets of walking feet 1 are symmetrically disposed on both sides of the bottom of the bottom plate 31. The other two groups are disposed on the side plate 32 on the rear side.
  • the walking feet 1 each include a connecting member 11, a first leg 12, and a second leg 13, the first leg 1 2, the second leg 13 is respectively hinged on the connecting member 11, and the first driving transmission mechanism 14 constitutes a coordinated engagement of the hinge end to rotate forward or backward, and the first leg 12 and the second leg 13 are both telescopic
  • the first leg 12 and the second leg 13 are respectively provided with a second drive transmission mechanism 15 for driving and contracting.
  • the first driving transmission mechanism 14 can realize the front and rear relative swinging of the first leg 12 and the second leg 13, and the second driving transmission mechanism 15 can realize the expansion and contraction change of the first leg 12 and the second leg 13.
  • the first driving transmission mechanism 14 can realize the front and rear relative swinging of the first leg 12 and the second leg 13
  • the second driving transmission mechanism 15 can realize the expansion and contraction change of the first leg 12 and the second leg 13.
  • the first driving transmission mechanism 14 includes a first motor 141, a first gear 142, a second gear 143, a first curved rack 144, and a second curved rack. 145; the first curved rack 144 is fixed on the first leg 12, the second curved rack 145 is fixed on the second leg 13, the first motor 141 is fixed on the connecting member 1 1 and is driven to connect the first gear 142, the first gear 142 meshes with the second gear 143 and the first curved rack 144, respectively, and the second gear 143 meshes with the second curved rack 145.
  • the first motor 141 can drive the first gear 142 to rotate synchronously, and the first gear 142 drives the first curved rack 144 to rotate in the opposite direction, thereby driving the first leg 12 to rotate in a direction opposite to the first motor 141.
  • the first gear 142 drives the second curved rack 145 to rotate in the same direction by the second gear 143, thereby driving the second leg 13 to rotate in the same direction as the first motor; thereby changing the first motor 141 by Forward and reverse, the first foot 12 and the second leg 13 are continuously oscillated back and forth.
  • the linkage is ingenious, and the control is more precise; and only one first motor 141 can drive the first leg 12 and the second leg 13 at a lower cost.
  • the first leg 12 includes a first upper leg 121 and a first lower leg 122, and the first upper leg 121 is slidably sleeved with the first lower leg 122.
  • the second drive transmission mechanism 15 includes a second motor 151 and a first ball screw 152.
  • the second motor 151 is drivingly coupled to the first ball screw 152.
  • the first ball screw 152 is disposed on the first upper leg 121. Between the first lower leg 12.
  • the first ball screw 152 is driven by the second motor 151 to achieve relative slippage of the first upper leg 121 and the first lower leg 122, thereby realizing the length expansion and contraction of the first leg 12.
  • the structure of the ball screw is used to realize the length change, the structure is simple, and the expansion and contraction is more stable and reliable.
  • the second leg 13 has the same structure as the first leg 12, and includes a second upper leg 31 and a second lower leg 132.
  • the second upper leg 131 and the second lower leg 132 slide the sleeve.
  • the length expansion and contraction is realized by the second motor 151 and the first ball screw 152.
  • a crawler walking assembly 16 is disposed at the bottom of the first lower leg 122, and the crawler row is
  • the walking assembly 16 includes a first supporting member 161, a third motor 162, a first rotating shaft 163, a crawler pulley 164, and a crawler belt 1 65; the first supporting member 161 is symmetrically disposed, and the crawler pulley 164 is symmetrically disposed at two first positions.
  • the support member 16 1 is connected to the first rotating shaft 163, and the crawler wheel 164 on the same first supporting member 161 is connected by a crawler belt 165.
  • the third motor 162 is fixed on the first supporting member 161, and the output end thereof is driven.
  • the first rotating shaft 163 is connected.
  • the first foot 12 touches the ground, and the second foot is lifted up, and the third rotating shaft 163 is driven to rotate by the third motor 16 2 to drive the crawler wheel 164 and the crawler belt 165 to rotate, thereby realizing the automatic walking function of the wheelchair.
  • Track-type structure even on uneven roads, it can realize automatic walking more smoothly
  • each of the first support members 161 is provided with three crawler wheels 164, and arranged in a triangular structure, the structure is more stable and the walking is more stable.
  • a roller running assembly 17 is disposed at the bottom of the second lower leg 132.
  • the first leg 12 can be lifted, the second leg 13 can be touched, and the roller walking component 17 can be easily pushed.
  • the roller running assembly 17 includes a second support member 171, a universal wheel 172, a fixed wheel 173, and a fourth motor 1 74.
  • the second support member 171 has a triangular structure, wherein one side is a barrier and a ground a contact surface, the universal wheel 172 is mounted on the opposite side of the contact surface; the fixed wheel 173 is fixed on the second lower leg 132, and the second support member 171 is hinged at the center of the fixed wheel 173.
  • the four motor 174 is fixed to the second support member 171, and its output end drives the connection fixing wheel 173.
  • the second support member 171 When the obstacle is removed, the second support member 171 is in contact with the ground, and when the ground is manually pushed, the fourth motor 174 is driven to realize the second support member 171 as a whole, so that the universal wheel 172 faces downward, thereby realizing The ground pushes the walk. Not only is the structure simple, but it also realizes automatic switching and is more convenient to use.
  • the two sets of walking feet 1 connected to the bottom plate 31 of the frame 3 are rotatably connected and controlled by a steering mechanism 18.
  • the steering mechanism 18 includes a third curved rack 181 and a fifth motor 182.
  • the third curved rack 181 is fixed on the connecting member 11, and the fifth motor 182 is fixed on the frame 3, and The output end drives the third curved rack 181.
  • the fifth motor 182 is coupled to the third curved rack 181 by the structure of the worm gear.
  • the two sets of walking feet 1 and the side plates 32 connected to the rear side side plate 32 of the frame 3 are slid down. And, the lift is controlled by the lifting mechanism 19.
  • the lifting and lowering mechanism 19 can further control the lifting and lowering of the two walking legs 1 as a whole, which is more advantageous for climbing stairs and obstacles.
  • the lifting mechanism 19 includes a sixth motor 191 and a second ball screw 192, the sixth motor 19 1 is drivingly connected to the second ball screw 192, and the second ball screw 192 is disposed on the connecting member 11 Between the rack 3.
  • the structure of the ball screw is used to realize the length change, the structure is simple, and the lifting is more stable and reliable.
  • the connecting members of the two sets of walking legs 1 are connected to each other through a sliding plate 193, and a guide rail 194 is disposed on the back of the sliding plate 193.
  • the side plate 32 is correspondingly provided with a sliding slot 195 and a second ball screw 192. Between the sliding plate 193 and the side plate 32, this structure makes the two sets of walking legs 1 in an integrated structure, and has absolute synchronization consistency during lifting, and only one sixth motor 191 and second ball screw 192 are used. , the cost is lower.
  • the seat system includes a seat 21, a backrest 22, a footboard 23, and a connecting plate 24; the seat 21 is fixed to the bottom plate 31 of the frame 3, Between the backrest 22 and the rear end of the seat 21, between one end of the connecting plate 24 and the front end of the seat 21, and between the other end of the connecting plate 24 and the foot pedal, a set of rotation adjusting mechanisms are adopted. 25 active rotation fits. By the rotation adjustment mechanism 25, the angle between the backrest 22 and the seat 21, the angle between the seat 21 and the connecting plate 24, the angle between the connecting plate 24 and the footboard 23 can be appropriately adjusted, so that the user can sit. It's more comfortable in a wheelchair, and it can be adjusted directly into a flat structure, turning into a movable bed, lying flat on it.
  • the rotation adjusting mechanism 25 includes a second rotating shaft 251 and a seventh motor 252.
  • the second rotating shaft 251 is driven to rotate by the seventh motor 252, thereby directly adjusting the angular position thereof, and the structure is simple and the angle adjustment is convenient.
  • the connecting plate 24 includes an upper connecting plate 241 and a lower connecting plate 242.
  • the upper connecting plate 241 and the lower connecting plate 242 are slidably engaged, and the upper connecting plate 241 is
  • a third drive transmission 26 that drives its relative slip is provided between the lower plates 242.
  • the connecting plate 24 is arranged in an adjustable length structure, so that the wheelchair can be adapted to a variety of users with different leg lengths, and the length adjustment of the same length is adjusted. When climbing stairs or obstacles, the obstacle can be assisted. .
  • the third driving transmission mechanism 26 includes an eighth motor 261 and a third ball screw 262.
  • the structure of the ball screw is used to realize the length change, the structure is simple, and the length adjustment is more stable and reliable.
  • the lower end of the lower connecting plate 242 is further provided with a rolling wheel 27, which is assisted in climbing or over obstacles. Walk, avoid friction.
  • an armrest 28 is further disposed between the seat 21 and the backrest 22, and the armrest includes a first link 281 and a second link 282 that are hingedly engaged, and the first link 281 and The backrest 22 is hinged, the second link 282 is hinged to the seat 21, and the armrest 28 can be adjusted according to the adjustment of the angles of the seat 21 and the backrest 22.
  • the adaptability is good, and the safety of the wheelchair can be further improved.
  • the back sides of the backrest 22 are further provided with a handshake groove 29 for providing a convenient grip for the artificial pusher.
  • a touch control screen 4 is further provided, which is fixed on the frame 3 by a plurality of hinged links, and is disposed at a position in front of the seat 21, and can be adjusted to a proper position.
  • the touch control panel 4 is connected to each motor through a circuit board, and can control the forward rotation, reverse rotation or stop of each motor, thereby realizing automatic walking, climbing, and obstacle crossing of the wheelchair.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Rehabilitation Tools (AREA)
  • Invalid Beds And Related Equipment (AREA)

Abstract

一种越障轮椅,其行走系统包括多组行走脚,行走脚包括连接件(11)、第一脚(12)、第二脚(13),所述第一脚(12)、第二脚(13)分别铰接在连接件(11)上,并通过第一驱动传动机构(14)构成铰接端相向旋转实现前进或后退的联动配合;所述第一脚(12)、第二脚(13)均为可伸缩结构,所述第一脚(12)与第二脚(13)上均设有驱动其伸缩的第二驱动传动机构(15)。该越障轮椅通过操作系统进行行动,通过第一驱动传动机构(14)实现第一脚(12)与第二脚(13)行走间相互转化,前后摆动,通过第二驱动传动机构(15)实现第一脚(12)与第二脚(13)的伸缩变化,从而很方便的实现障碍物跨越,适应各种路况。

Description

越障轮椅
技术领域
[0001] 本发明涉及一种轮椅, 特别涉及一种越障轮椅。
背景技术
[0002] 轮椅是肢体伤残或行动不便者的代步工具, 但是常规轮椅适应能力、 机动性都 比较差, 如果碰到如上下坡、 楼梯、 障碍物等复杂路况吋, 轮椅将难以通过。 技术问题
[0003] 因此, 急需幵发一种适应能力强、 灵活机动性好, 而且能够通过各种复杂路况 的越障轮椅。
问题的解决方案
技术解决方案
[0004] 为了克服背景技术的不足, 本发明提供一种越障轮椅。
[0005] 本发明所采用的技术方案: 一种越障轮椅, 包括机架和设置在机架上的行走系 统、 座椅系统、 运载平衡系统以及操作系统, 所述行走系统包括多组行走脚, 所述行走脚包括连接件、 第一脚、 第二脚, 所述第一脚、 第二脚分别铰接在连 接件上, 并通过第一驱动传动机构构成铰接端相向旋转实现前进或后退的联动 配合; 所述第一脚、 第二脚均为可伸缩结构, 所述第一脚与第二脚上均设有驱 动其伸缩的第二驱动传动机构。
[0006] 所述第一传动机构包括第一电机、 第一齿轮、 第二齿轮、 第一曲型齿条、 第二 曲型齿条; 第一曲型齿条固定在第一脚上, 第二曲型齿条固定在第二脚上, 第 一电机固定在连接件上, 并驱动连接第一齿轮, 所述第一齿轮分别与第二齿轮 、 第一曲型齿条啮合, 所述第二齿轮与第二曲型齿条啮合。
[0007] 所述第一脚包括第一上支脚、 第一下支脚, 所述第一上支脚与第一下支脚滑移 套接; 所述第二脚包括第二上支脚、 第二下支脚, 所述第二上支脚与第二下支 脚滑移套接; 所述第二驱动传动机构包括第二电机、 第一滚珠丝杆, 所述第二 电机驱动连接第一滚珠丝杆, 所述第一滚珠丝杆设置在第一上支脚与第一下支 脚之间或第二上支脚与第二下支脚之间。
[0008] 所述第一下支脚底部设有履带行走组件, 所述履带行走组件包括第一支撑件、 第三电机、 第一转轴、 履带轮、 履带; 所述第一支撑件对称设置 2个, 履带轮对 称设置在两个第一支撑件上, 并通过第一转轴连接, 同一第一支撑件上的履带 轮通过履带连接, 所述第三电机固定在第一支撑件上, 且其输出端驱动连接第 一转轴。
[0009] 所述第二下支脚底部设有滚轮行走组件, 所述滚轮行走组件包括第二支撑件、 万向轮、 固定轮、 第四电机; 所述固定轮固定在第二下支脚上, 所述第二支撑 件铰接在固定轮中心, 所述万向轮固定在第二支撑件上, 所述第四电机固定在 第二支撑件上, 且其输出端驱动连接固定轮。
[0010] 所述行走脚设有 4组, 其中两组行走脚通过连接件可旋转地连接在机架底部两 侧, 并通过一转向机构控制转向。
[0011] 另外两组行走脚通过连接件上下滑移地连接在机架后端两侧, 并通过一升降机 构控制升降。
[0012] 所述座椅系统包括座椅、 靠背、 脚踏板、 连接板; 所述座椅固定在机架上, 所 述靠背与座椅的后端之间、 所述连接板的一端与座椅的前端之间、 所述连接板 的另一端与脚踏板之间均通过一组旋转调整机构活动旋转配合。
[0013] 所述连接板包括上连板、 下连板, 所述上连板与下连板滑移配合, 所述上连板 与下连板之间设有驱动其相对滑移的第三驱动传动机构。
[0014] 所述下连板下端还设有滚动轮。
发明的有益效果
有益效果
[0015] 本发明的有益效果是: 采用以上方案, 通过操作系统进行行动, 通过第一驱动 传动机构实现第一脚与第二脚行走间相互转化, 前后摆动, 通过第二驱动传动 机构实现第一脚与第二脚的伸缩变化, 从而很方便的实现障碍物跨越, 适应各 种路况。
对附图的简要说明
附图说明 [0016] 图 1为本发明实施例越障轮椅的结构示意图。
[0017] 图 2为本发明实施例隐藏部分结构后行走系统的结构示意图。
[0018] 图 3为图 2中 A处的放大示意图。
[0019] 图 4为本发明实施例履带行走组件的结构示意图。
[0020] 图 5为本发明实施例滚轮行走组件的结构示意图。
[0021] 图 6为本发明实施例座椅系统的结构示意图。
[0022] 图 7为本发明实施例座椅系统隐藏上连板后的结构示意图。
[0023] 图中 1-行走脚, 11-连接件, 12-第一脚, 121-第一上支脚, 122-第一下支脚, 13 -第二脚, 131-第二上支脚, 132-第二下支脚, 14-第一驱动传动机构, 141-第一 电机, 142-第一齿轮, 143-第二齿轮, 144-第一曲型齿条, 145-第二曲型齿条, 1 5-第二驱动传动机构, 151-第二电机, 152-第一滚珠丝杆, 16-履带行走组件, 16 1-第一支撑件, 162-第三电机, 163-第一转轴, 164-履带轮, 165-履带, 17-滚轮 行走组件, 171-第二支撑件, 172-万向轮, 173-固定轮, 174-第四电机, 18-转向 机构, 181-第三曲型齿条, 182-第五电机, 19-升降机构, 191-第六电机, 192-第 二滚珠丝杆, 193-滑板, 194-导轨, 195-滑槽, 21-座椅, 22-靠背, 23-脚踏板, 24-连接板, 241-上连板, 242-下连板, 25-旋转调整机构, 251-第二转轴, 252- 第七电机, 26-第三驱动传动机构, 261-第八电机, 262-第三滚珠丝杆, 27-滚动 轮, 28-扶手, 281-第一连杆, 282-第二连杆, 29-握手槽, 3-机架, 31-底板, 32- 侧板, 4-触摸控制屏。
本发明的实施方式
[0024] 下面结合附图对本发明实施例作进一步说明:
[0025] 如图所示, 一种越障轮椅, 包括机架 3和设置在机架 3上的行走系统、 座椅系统
、 运载平衡系统以及操作系统。
[0026] 其中, 所述机架 3包括底板 31以及围在底板 31四周的侧板 32, 所述行走系统包 括 4组行走脚 1, 其中两组行走脚 1对称设置在底板 31的底部两侧, 另外两组设置 在后侧的侧板 32上。
[0027] 如图所示, 所述行走脚 1均包括连接件 11、 第一脚 12、 第二脚 13, 所述第一脚 1 2、 第二脚 13分别铰接在连接件 11上, 并通过第一驱动传动机构 14构成铰接端相 向旋转实现前进或后退的联动配合, 所述第一脚 12、 第二脚 13均为可伸缩结构 , 所述第一脚 12与第二脚 13上均设有驱动其伸缩的第二驱动传动机构 15。
[0028] 所述第一驱动传动机构 14能够实现第一脚 12与第二脚 13的前后相对摆动, 所述 第二驱动传动机构 15则能够实现第一脚 12与第二脚 13的伸缩变化, 从而实现爬 楼梯、 跨越障碍物, 适应各种复杂路况。
[0029] 如图 2及图 3所示, 所述第一驱动传动机构 14包括第一电机 141、 第一齿轮 142、 第二齿轮 143、 第一曲型齿条 144、 第二曲型齿条 145; 第一曲型齿条 144固定在 第一脚上 12, 第二曲型齿条 145固定在第二脚 13上, 第一电机 141固定在连接件 1 1上, 并驱动连接第一齿轮 142, 所述第一齿轮 142分别与第二齿轮 143、 第一曲 型齿条 144啮合, 所述第二齿轮 143与第二曲型齿条 145啮合。
[0030] 第一电机 141能驱动第一齿轮 142同步转动, 第一齿轮 142则带动第一曲型齿条 1 44反向转动, 从而带动第一脚 12绕与第一电机 141相反的方向转动; 同吋, 第一 齿轮 142通过第二齿轮 143带动第二曲型齿条 145同向转动, 从而带动第二脚 13绕 与第一电机相同的方向转动; 由此通过改变第一电机 141的正反转, 实现第一脚 12、 第二脚 13不断的相对来回摆动。 不仅结构简单, 联动巧妙, 控制更加精确 ; 而且只用一个第一电机 141就能同吋驱动第一脚 12、 第二脚 13, 成本更低。
[0031] 如图 2及图 3所示, 所述第一脚 12包括第一上支脚 121、 第一下支脚 122, 所述第 一上支脚 121与第一下支脚 122滑移套接; 所述第二驱动传动机构 15包括第二电 机 151、 第一滚珠丝杆 152, 所述第二电机 151驱动连接第一滚珠丝杆 152, 所述 第一滚珠丝杆 152设置在第一上支脚 121与第一下支脚 12之间。 通过第二电机 151 驱动第一滚珠丝杆 152实现第一上支脚 121与第一下支脚 122的相对滑移, 从而实 现第一脚 12的长度伸缩。 采用滚珠丝杆的结构实现长度变化, 结构简单, 而且 伸缩更加稳定可靠。
[0032] 同样的, 所述第二脚 13与第一脚 12的结构相同, 包括第二上支脚 31、 第二下支 脚 132, 所述第二上支脚 131与第二下支脚 132滑移套接, 并通过第二电机 151、 第一滚珠丝杆 152实现长度伸缩。
[0033] 如图 2及图 4所示, 所述第一下支脚 122底部设有履带行走组件 16, 所述履带行 走组件 16包括第一支撑件 161、 第三电机 162、 第一转轴 163、 履带轮 164、 履带 1 65; 所述第一支撑件 161对称设置 2个, 履带轮 164对称设置在两个第一支撑件 16 1上, 并通过第一转轴 163连接, 同一第一支撑件 161上的履带轮 164通过履带 165 连接, 所述第三电机 162固定在第一支撑件 161上, 且其输出端驱动连接第一转 轴 163。 当需要轮椅自动行走吋, 第一脚 12触地, 第二脚抬起, 通过第三电机 16 2驱动第一转轴 163转动, 带动履带轮 164、 履带 165转动, 从而实现轮椅的自动 行走功能。 履带式结构, 即使在不平坦的路上, 也能更加平稳的实现自动行走
[0034] 其中, 每个第一支撑件 161上均设有 3个履带轮 164, 且成三角结构排列, 这种 结构更加稳定, 行走更加平稳。
[0035] 如图 2及图 5所示, 所述第二下支脚 132底部设有滚轮行走组件 17。 当需要人工 推动轮椅是, 可使第一脚 12抬起, 第二脚 13触地, 通过滚轮行走组件 17, 更容 易推动。
[0036] 所述滚轮行走组件 17包括第二支撑件 171、 万向轮 172、 固定轮 173、 第四电机 1 74; 所述第二支撑件 171呈三角形结构, 其中一边作为越障吋与地面的接触面, 所述万向轮 172安装在该接触面的相反面; 所述固定轮 173固定在第二下支脚 132 上, 所述第二支撑件 171铰接在固定轮 173中心, 所述第四电机 174固定在第二支 撑件 171上, 且其输出端驱动连接固定轮 173。
[0037] 当越障吋, 第二支撑件 171与地面接触, 当需要地面人工推动吋, 通过第四电 机 174驱动, 实现第二支撑件 171整体反正, 使万向轮 172朝下, 从而实现地面推 动行走。 不仅结构简单, 而且实现自动切换, 使用更加方便。
[0038] 如图 1及图 2所示, 与机架 3的底板 31连接的两组行走脚 1为可旋转连接, 并通过 一转向机构 18控制。 所述转向机构 18包括第三曲型齿条 181、 第五电机 182, 所 述第三曲型齿条 181固定在连接件 11上, 所述第五电机 182固定在机架 3上, 且其 输出端驱动连接第三曲型齿条 181。 在自动行走吋, 通过第五电机 182驱动, 带 动第三曲型齿条 181转动, 从而实现自动转向。 其中, 第五电机 182通过蜗轮蜗 杆的结构与第三曲型齿条 181配合。
[0039] 如图 1-3所示, 与机架 3的后侧侧板 32连接的两组行走脚 1与侧板 32上下滑移配 合, 并通过升降机构 19控制升降。 通过升降机构 19能进一步控制该两组行走脚 1 整体的升降, 更有利于爬楼梯、 越障碍。
[0040] 其中, 所述升降机构 19包括第六电机 191、 第二滚珠丝杆 192, 所述第六电机 19 1驱动连接第二滚珠丝杆 192, 第二滚珠丝杆 192设置在连接件 11与机架 3之间。 采用滚珠丝杆的结构实现长度变化, 结构简单, 而且升降更加稳定可靠。
[0041] 进一步的, 将该两组行走脚 1的连接件通过一滑板 193连接成一整体结构, 滑板 193背面设置导轨 194, 所述侧板 32上对应设置滑槽 195, 第二滚珠丝杆 192设置 在滑板 193与侧板 32之间, 这种结构使两组行走脚 1呈一体结构, 升降过程中, 具有绝对的同步一致性, 而且只用一个第六电机 191和第二滚珠丝杆 192, 成本 更低。
[0042] 如图 1及图 6所示, 所述座椅系统包括座椅 21、 靠背 22、 脚踏板 23、 连接板 24; 所述座椅 21固定在机架 3的底板 31上, 所述靠背 22与座椅 21的后端之间、 所述连 接板 24的一端与座椅 21的前端之间、 所述连接板 24的另一端与脚踏板之间均通 过一组旋转调整机构 25活动旋转配合。 通过旋转调整机构 25, 能够适当调整靠 背 22与座椅 21之间的角度、 座椅 21与连接板 24之间的角度, 连接板 24与脚踏板 2 3之间的角度, 使使用者坐在轮椅上吋, 更加舒适, 而且可以直接调整成平躺的 结构, 变成一张可移动的床, 直接平躺在上面。
[0043] 其中, 所述旋转调整机构 25包括第二转轴 251、 第七电机 252, 通过第七电机 25 2驱动第二转轴 251转动, 从而直接实现其角度位置调整, 结构简单, 角度调整 方便。
[0044] 如图 6及图 7所示, 所述连接板 24包括上连板 241、 下连板 242, 所述上连板 241 与下连板 242滑移配合, 所述上连板 241与下连板 242之间设有驱动其相对滑移的 第三驱动传动机构 26。 连接板 24设置成长度可调的结构, 使轮椅能适应各种不 同身高腿长的使用者, 同吋长度调整配合角度调整, 在爬楼梯或者越障碍吋, 能够起到辅助爬梯越障的效果。
[0045] 其中, 所述第三驱动传动机构 26包括第八电机 261、 第三滚珠丝杆 262, 采用滚 珠丝杆的结构实现长度变化, 结构简单, 而且长度调整更加稳定可靠。
[0046] 进一步的, 所述下连板 242下端还设有滚动轮 27, 在爬梯或越障吋, 实现辅助 行走, 避免摩擦。
[0047] 如图 6所示, 所述座椅 21与靠背 22之间还设有扶手 28, 所述扶手包括铰接配合 的第一连杆 281、 第二连杆 282, 第一连杆 281与靠背 22铰接, 第二连杆 282与座 椅 21铰接, 扶手 28能够随着座椅 21、 靠背 22角度的调整而调整, 适应性好, 进 一步能够提高轮椅的安全性。
[0048] 如图 6所示, 所述靠背 22背后两侧, 还设有握手槽 29, 为人工推动吋提供一个 方便抓握的结构。
[0049] 如图 1所示, 还设有触摸控制屏 4, 该触摸控制屏 4通过多根铰接的连杆固定在 机架 3上, 并设置在座椅 21前方位置, 能够调整至合适位置方便操作, 所述触摸 控制屏 4通过电路板连接各个电机, 能够控制各个电机的正转、 反转或停止, 从 而实现轮椅的自动行走、 爬梯、 越障。
[0050] 实施例不应视为对发明的限制, 但任何基于本发明的精神所作的改进, 都应在 本发明的保护范围之内。

Claims

权利要求书
[权利要求 1] 一种越障轮椅, 包括机架 (3) 和设置在机架 (3) 上的行走系统、 座 椅系统、 运载平衡系统以及操作系统, 其特征在于: 所述行走系统包括多组行走脚 (1) , 所述行走脚 (1) 包括连接件 ( 11) 、 第一脚 (12) 、 第二脚 (13) , 所述第一脚 (12) 、 第二脚 ( 13) 分别铰接在连接件 (11) 上, 并通过第一驱动传动机构 (14) 构 成铰接端相向旋转实现前进或后退的联动配合;
所述第一脚 (12) 、 第二脚 (13) 均为可伸缩结构, 所述第一脚 (12 ) 与第二脚 (13) 上均设有驱动其伸缩的第二驱动传动机构 (15) 。
[权利要求 2] 根据权利要求 1所述的越障轮椅, 其特征在于: 所述第一传动机构 (1
4) 包括第一电机 (141) 、 第一齿轮 (142) 、 第二齿轮 (143) 、 第 一曲型齿条 (144) 、 第二曲型齿条 (145) ; 第一曲型齿条 (144) 固定在第一脚上 (12) , 第二曲型齿条 (145) 固定在第二脚 (13) 上, 第一电机 (141) 固定在连接件 (11) 上, 并驱动连接第一齿轮 (142) , 所述第一齿轮 (142) 分别与第二齿轮 (143) 、 第一曲型 齿条 (144) 啮合, 所述第二齿轮 (143) 与第二曲型齿条 (145) 啮 合。
[权利要求 3] 根据权利要求 2所述的越障轮椅, 其特征在于: 所述第一脚 (12) 包 括第一上支脚 (121) 、 第一下支脚 (122) , 所述第一上支脚 (121 ) 与第一下支脚 (122) 滑移套接;
所述第二脚 (13) 包括第二上支脚 (31) 、 第二下支脚 (132) , 所 述第二上支脚 (131) 与第二下支脚 (132) 滑移套接;
所述第二驱动传动机构 (15) 包括第二电机 (151) 、 第一滚珠丝杆 (152) , 所述第二电机 (151) 驱动连接第一滚珠丝杆 (152) , 所 述第一滚珠丝杆 (152) 设置在第一上支脚 (121) 与第一下支脚 (12 ) 之间或第二上支脚 (131) 与第二下支脚 (132) 之间。
[权利要求 4] 根据权利要求 3所述的越障轮椅, 其特征在于: 所述第一下支脚 (122
) 底部设有履带行走组件 (16) , 所述履带行走组件 (16) 包括第一 支撑件 (161) 、 第三电机 (162) 、 第一转轴 (163) 、 履带轮 (164 ) 、 履带 (165) ; 所述第一支撑件 (161) 对称设置 2个, 履带轮 (1 64) 对称设置在两个第一支撑件 (161) 上, 并通过第一转轴 (163) 连接, 同一第一支撑件 (161) 上的履带轮 (164) 通过履带 (165) 连接, 所述第三电机 (162) 固定在第一支撑件 (161) 上, 且其输出 端驱动连接第一转轴 (163) 。
[权利要求 5] 根据权利要求 3所述的越障轮椅, 其特征在于: 所述第二下支脚 (132
) 底部设有滚轮行走组件 (17) , 所述滚轮行走组件 (17) 包括第二 支撑件 (Π1) 、 万向轮 (I72) 、 固定轮 (Π3) 、 第四电机 (I74) ; 所述固定轮 (173) 固定在第二下支脚 (132) 上, 所述第二支撑件
( 171) 铰接在固定轮 (173) 中心, 所述万向轮 (172) 固定在第二 支撑件 (171) 上, 所述第四电机 (174) 固定在第二支撑件 (171) 上, 且其输出端驱动连接固定轮 (173) 。
[权利要求 6] 根据权利要求 1所述的越障轮椅, 其特征在于: 所述行走脚 (1) 设有
4组, 其中两组行走脚 (1) 通过连接件 (11) 可旋转地连接在机架 ( 3) 底部两侧, 并通过一转向机构 (18) 控制转向。
[权利要求 7] 根据权利要求 6所述的越障轮椅, 其特征在于: 另外两组行走脚 (1)
通过连接件 (11) 上下滑移地连接在机架 (3) 后端两侧, 并通过一 升降机构 (19) 控制升降。
[权利要求 8] 根据权利要求 1所述的越障轮椅, 其特征在于: 所述座椅系统包括座 椅 (21) 、 靠背 (22) 、 脚踏板 (23) 、 连接板 (24) ; 所述座椅 ( 21) 固定在机架 (3) 上, 所述靠背 (22) 与座椅 (21) 的后端之间 、 所述连接板 (24) 的一端与座椅 (21) 的前端之间、 所述连接板 ( 24) 的另一端与脚踏板之间均通过一组旋转调整机构 (25) 活动旋转 配合。
[权利要求 9] 根据权利要求 8所述的越障轮椅, 其特征在于: 所述连接板 (24) 包 括上连板 (241) 、 下连板 (242) , 所述上连板 (241) 与下连板 (2 42) 滑移配合, 所述上连板 (241) 与下连板 (242) 之间设有驱动其 相对滑移的第三驱动传动机构 (26) 。
[权利要求 10] 根据权利要求 9所述的越障轮椅, 其特征在于: 所述下连板 (242) 下 端还设有滚动轮 (27) 。
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CN112826682B (zh) * 2020-12-31 2021-12-03 中国人民解放军陆军军医大学第一附属医院 一种医疗处置车

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