[go: up one dir, main page]

CN109481167A - A kind of wheelchair auxiliary device for moving and wheelchair - Google Patents

A kind of wheelchair auxiliary device for moving and wheelchair Download PDF

Info

Publication number
CN109481167A
CN109481167A CN201811644598.2A CN201811644598A CN109481167A CN 109481167 A CN109481167 A CN 109481167A CN 201811644598 A CN201811644598 A CN 201811644598A CN 109481167 A CN109481167 A CN 109481167A
Authority
CN
China
Prior art keywords
wheelchair
standpipe
standpipe support
steering
support
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201811644598.2A
Other languages
Chinese (zh)
Inventor
陈立新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201811644598.2A priority Critical patent/CN109481167A/en
Publication of CN109481167A publication Critical patent/CN109481167A/en
Pending legal-status Critical Current

Links

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
    • A61G5/04Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • 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
    • A61G5/08Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
    • 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
    • A61G5/1051Arrangements for 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Handcart (AREA)

Abstract

本发明公开了一种轮椅移动辅助装置及轮椅,属于轮椅技术领域。轮椅移动辅助装置包括行走轮、立管支撑部、连接部、转向部、电力供应部及控制系统。行走轮内部设置电动机。行走轮与立管支撑部直接相连。行走轮与立管支撑部同步转动。立管支撑部上端连接转向部。转向部与立管支撑部同步转动。电力供应部设置在立管支撑部内部。行走轮内部设置的电动机与电力供应部及控制系统两两相连。连接部的一端与所述的立管支撑部可拆卸的固定连接,并且立管支撑部能够在在连接部内部自由转动,连接部的另一端与手动轮椅可拆卸的固定连接。本产品可以直接安装在普通手动轮椅上,结构简单、设计轻巧,操作方便。本产品经济实惠,可以充分利用现有的普通手动轮椅进行改造,实用性高。

The invention discloses an auxiliary device for moving a wheelchair and a wheelchair, which belong to the technical field of wheelchairs. The wheelchair mobile assist device includes a walking wheel, a riser support part, a connecting part, a steering part, a power supply part and a control system. A motor is installed inside the traveling wheel. The traveling wheel is directly connected with the support part of the riser. The traveling wheel rotates synchronously with the support part of the riser. The upper end of the standpipe support part is connected to the steering part. The steering part rotates synchronously with the standpipe support part. The power supply portion is provided inside the riser support portion. The electric motor arranged inside the traveling wheel is connected with the power supply part and the control system two by two. One end of the connecting portion is detachably and fixedly connected to the standpipe support portion, and the standpipe support portion can be freely rotated inside the connecting portion, and the other end of the connecting portion is detachably and fixedly connected to the manual wheelchair. This product can be directly installed on the ordinary manual wheelchair, with simple structure, light design and convenient operation. This product is economical and can make full use of the existing ordinary manual wheelchair for transformation, with high practicability.

Description

A kind of wheelchair auxiliary device for moving and wheelchair
Technical field
The present invention relates to wheelchair technical field, in particular to a kind of wheelchair auxiliary device for moving and wheelchair.
Background technique
For handicapped physical disabilities or the elderly, wheelchair is important the vehicles.Wheelchair is not only Their walking-replacing tool, even more for they provide the chances for participating in social activities or taking exercises.
Wheelchair is classified by power, generally comprises manual wheelchair and electric wheelchair.
As shown in Figure 1, by wheelchair frame, wheel and vehicle seat form manual wheelchair.Manual wheelchair structure is simple, and mostly uses Foldable design, it is cheap.But manual wheelchair generally requires other people and carries out, inconvenient user is certainly due to not having power Oneself is individually operated.
Electric Motor Wheel body part, chair body part, drive part etc. as shown in Fig. 2, be made of.Electric wheelchair is easy to use, It does not need other people to help implementation, user can be with handled by itself.But electric wheelchair structure is complicated, not foldable, the rate of exchange are heavy, And it is expensive.
Summary of the invention
It is low in cost the technical problem to be solved in the present invention is to provide a kind of structure is simple, it only need to be in the base of manual wheelchair It is simply transformed on plinth, the wheelchair auxiliary device for moving and wheelchair of power can be provided for user.
The technical scheme is that a kind of wheelchair auxiliary device for moving, including traveling wheel, standpipe support portion, interconnecting piece, Steering portion, power supply portion and control system;Motor is set inside traveling wheel;Traveling wheel is connected directly with standpipe support portion; Traveling wheel and standpipe support portion rotate synchronously;Standpipe support portion is hollow structure;Standpipe support portion upper end connects steering portion;It turns to Portion and standpipe support portion rotate synchronously;Power supply portion is arranged inside standpipe support portion;The motor being arranged inside traveling wheel It is connected two-by-two with power supply portion and control system.Removably fixation connects for one end of interconnecting piece and the standpipe support portion It connects, and standpipe support portion can be freely rotated inside interconnecting piece, the other end and manual wheelchair of interconnecting piece are dismountable It is fixedly connected;
Preferably, the power supply portion is lithium battery pack.
Further, the steering portion is linear type steering handle.
Further, it is additionally provided with power switch button, selector button on the steering handle and accelerates button.
Further, the standpipe support portion cross section is prismatic or round.
Further, the interconnecting piece includes standpipe support interconnecting piece, manual wheelchair interconnecting piece;The standpipe support Interconnecting piece is to the open package of standpipe support portion composition part;Bearing, bearing and standpipe are set in the standpipe support interconnecting piece Interconnecting piece is connected directly;The standpipe support interconnecting piece end is connected with manual wheelchair interconnecting piece;Manual wheelchair interconnecting piece is set Connection bolt is set, the connection bolt is connected with manual wheelchair front-wheel mounting shaft hole.
Further, setting adjusts taper platform between the connection bolt and manual wheelchair front-wheel mounting shaft hole, adjusts Pitch cone shape platform inner hole cooperates with bolt is connect;It adjusts and cooperates outside taper platform with manual wheelchair front-wheel mounting shaft hole.
Further, it can be adjusted in the interconnecting piece and standpipe support portion link position short transverse.
In particular, a kind of wheelchair, which is characterized in that installation is moved just like wheelchair described in any one of claim 1-9 Dynamic auxiliary device.
Preferably, which is characterized in that the wheelchair auxiliary device for moving is mounted on the front-wheel of wheelchair.
Compared with prior art, it is the advantages of technical solution of the present invention:
This product can be directly installed on common manual wheelchair, and structure is simple, design is light and handy, easy to operate.Moreover, this product The foldable design for not influencing common manual wheelchair can be with folding storage when not applicable, and occupied space is smaller.This product warp Ji material benefit, can make full use of existing common manual wheelchair to be transformed, and practicability is high.
Detailed description of the invention
Fig. 1 is existing common manual wheelchair schematic diagram.
Fig. 2 is that wheelchair auxiliary device for moving of the present invention is installed to the schematic diagram after common wheelchair.
Fig. 3 is the schematic diagram of wheelchair auxiliary device for moving of the present invention.
Fig. 4 is wheelchair auxiliary device for moving steering handle schematic diagram of the present invention.
Fig. 5 is wheelchair auxiliary device for moving interconnecting piece schematic diagram of the present invention.
Fig. 6 is that wheelchair auxiliary device for moving interconnecting piece of the present invention adjusts taper platform schematic diagram.
Wherein: 1- wheelchair frame;2- vehicle seat;3- wheel;4- manual wheelchair;5- wheelchair auxiliary device for moving;6- traveling wheel;7- Standpipe support portion;8- steering handle;801- power switch button;802- selector button;803- accelerates button;804- charging Mouthful;9- interconnecting piece;901- standpipe supports interconnecting piece;902- manual wheelchair interconnecting piece;903- adjusts taper platform.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the content of the present invention will be further explained.
Fig. 2 is that wheelchair auxiliary device for moving of the present invention is installed to the schematic diagram after existing manual wheelchair.
Wheelchair auxiliary device for moving of the present invention replaces existing manual wheelchair front jockey wheel, and direct using directive wheel mounting hole Wheelchair auxiliary device for moving of the present invention is installed.Wheelchair auxiliary device for moving structure of the present invention is simple, design is light and handy, easy to operate. Moreover, this product does not influence the foldable design of common manual wheelchair, when not applicable, can with folding storage, occupied space compared with It is small.This product is economical and practical, and existing common manual wheelchair can be made full use of to be transformed, and practicability is high.
Fig. 3 is the structural schematic diagram of wheelchair auxiliary device for moving of the present invention.
Wheelchair auxiliary device for moving of the present invention has traveling wheel 6, standpipe support portion 7, steering handle 8, interconnecting piece 9, control system System and lithium battery group are at (control system and lithium battery group in figure do not show).Permanent magnet motor is set in traveling wheel 6, with lithium battery Group and control system are connected two-by-two, under the manipulation of control system, by power switch button 801, selector button 802 and accelerate Switch, speed change and the function of acceleration may be implemented in button 803.
Traveling wheel 6 is connected directly with standpipe support portion 7, and traveling wheel 6 and standpipe support portion 7 rotate synchronously.Standpipe support portion 7 Cross section is circle, facilitates and fills more battery components inside standpipe support portion 7, horizontal with the continuation of the journey for improving this product.When So standpipe support portion 7 may be prismatic, and use is prismatic, can improve the rigidity of standpipe support portion 7 itself, and then improve this The stability of invention.Standpipe support internal 7 is equipped with battery pack.It is preferred that recommending lithium battery group, lithium battery energy density is big, and performance is steady It is fixed, course continuation mileage of the invention can be significantly improved.
As shown in figure 4, linear type steering handle 8 is arranged in 7 upper end of standpipe support portion.The standpipe with shown in of steering handle 8 Support portion 7 rotates synchronously.Steering handle 8 is designed by using linear type, can steering for user-friendly control.In standpipe support End internal 7 is equipped with control system, by the power switch button 801 of control system, selector button 802 and button 803 is accelerated to distinguish Setting further improves the convenience of operation in 8 attachment of steering handle, and user need to can only complete related behaviour with a hand Make.
7 upper end of standpipe support portion is additionally provided with lithium battery charge port, and wheelchair auxiliary device for moving of the present invention is facilitated to mend in time Charge volume.
The detailed maps of interconnecting piece 9 are as shown in Figure 5.
Interconnecting piece 9 includes standpipe support portion interconnecting piece 901, manual wheelchair interconnecting piece 902 and adjusting taper platform 903.Connection The one end in portion 9 is removably fixedly connected with standpipe support portion 7, and standpipe support portion 7 can be free in 9 inside of interconnecting piece Rotation, the other end of interconnecting piece 9 are removably fixedly connected with manual wheelchair.Standpipe support portion interconnecting piece 901 is bent by steel band It forms, it is internal to be matched with 7 shape of standpipe support portion.Preferably, bearing is set in standpipe support portion interconnecting piece 901, bearing is again It supports and connects with standpipe, the resistance of chair auxiliary device for moving rotation of the present invention can be greatly reduced, improve property easy to use.It is vertical The both ends outward bending of pipe support portion interconnecting piece 901, composition is parallel to each other but non-touching empennage, is provided with bolt on empennage Hole is connected by bolt hole with manual wheelchair interconnecting piece 902.Manual wheelchair interconnecting piece 902 is equipped with stay bolt, the stay bolt energy side Just in the front-wheel mounting shaft hole of insertion common manual wheelchair.
In order to improve the universality of wheelchair auxiliary device for moving of the present invention, cone governor shape platform 903 is set outside stay bolt, such as Shown in Fig. 6.It adjusts 903 inner hole of taper platform and stay bolt cooperates.Make full use of the external pyramidal structure for adjusting taper platform 903, cone Shape small end can easily enter the mounting shaft hole of manual wheelchair front-wheel, and taper big end and nut cooperate, fastening manual wheelchair connection Portion 902, and then it is fitted close interconnecting piece 9 and manual wheelchair front-wheel mounting shaft hole.By using taper platform 903 is adjusted, not only The adjusting of mounting portion short transverse is realized, while also achieving the cooperation of mounting portion 9 Yu manual wheelchair front-wheel mounting shaft hole, is mentioned The high universality of wheelchair auxiliary device for moving of the present invention.
Certainly, wheelchair auxiliary device for moving of the present invention also may be mounted at the wheelchair frame or rear wheel position of manual wheelchair, The purpose of the present invention can be reached.

Claims (10)

1.一种轮椅移动辅助装置,包括行走轮、立管支撑部、连接部、转向部、电力供应部及控制系统;其特征在于,1. A wheelchair mobile auxiliary device, comprising a walking wheel, a riser support part, a connecting part, a steering part, a power supply part and a control system; it is characterized in that, 所述的行走轮内部设置电动机;所述行走轮与所述的立管支撑部直接相连;An electric motor is arranged inside the traveling wheel; the traveling wheel is directly connected with the standpipe support part; 所述的行走轮与立管支撑部同步转动;The walking wheel rotates synchronously with the support part of the riser; 所述的立管支撑部为中空结构;The standpipe support part is a hollow structure; 所述的立管支撑部上端连接所述的转向部;The upper end of the standpipe support part is connected to the steering part; 所述的转向部与所述的立管支撑部同步转动;the steering part rotates synchronously with the standpipe support part; 所述的电力供应部设置在立管支撑部内部;the power supply part is arranged inside the riser support part; 所述行走轮内部设置的电动机与电力供应部及控制系统两两相连;The electric motor arranged inside the traveling wheel is connected with the power supply part and the control system in two pairs; 所述连接部的一端与所述的立管支撑部可拆卸的固定连接,并且所述的立管支撑部能够在在所述的连接部内部自由转动,所述连接部的另一端与手动轮椅可拆卸的固定连接。One end of the connecting part is detachably and fixedly connected with the standpipe support part, and the standpipe support part can rotate freely inside the connecting part, and the other end of the connecting part is connected with the manual wheelchair Removable fixed connection. 2.根据权利要求1所述的轮椅移动辅助装置,其特征在于,所述的电力供应部为锂电池组件。2 . The wheelchair mobility assist device according to claim 1 , wherein the power supply part is a lithium battery assembly. 3 . 3.根据权利要求1所述的轮椅移动辅助装置,其特征在于,所述的转向部为“一”字形转向把手。3 . The wheelchair movement assistance device according to claim 1 , wherein the steering portion is a “one”-shaped steering handle. 4 . 4.根据权利要求3所述的轮椅移动辅助装置,其特征在于,所述的转向把手上还设置有电源开关按钮、变速按钮及加速按钮。4 . The wheelchair movement assistance device according to claim 3 , wherein the steering handle is further provided with a power switch button, a speed change button and an acceleration button. 5 . 5.根据权利要求1所述的轮椅移动辅助装置,其特征在于,所述的立管支撑部横截面为棱柱形或圆形。5 . The wheelchair mobility aid device according to claim 1 , wherein the cross-section of the standpipe support portion is prismatic or circular. 6 . 6.根据权利要求1所述的轮椅移动辅助装置,其特征在于,所述的连接部包括立管支撑连接部、手动轮椅连接部;所述的立管支撑连接部对立管支撑部构成部分开放式包裹;6 . The wheelchair mobility aid according to claim 1 , wherein the connecting portion comprises a standpipe support connecting portion and a manual wheelchair connecting portion; the standpipe support connecting portion is open to the constituent part of the standpipe support portion. 7 . package; 所述的立管支撑连接部内设轴承,轴承与立管连接部直接相连;A bearing is arranged in the standpipe support connection part, and the bearing is directly connected with the standpipe connection part; 所述的立管支撑连接部端部与手动轮椅连接部相连;The end of the standpipe support connecting part is connected with the manual wheelchair connecting part; 手动轮椅连接部设置连接螺栓,所述的连接螺栓与手动轮椅前轮安装轴孔相连。The connecting part of the manual wheelchair is provided with connecting bolts, and the connecting bolts are connected with the mounting shaft holes of the front wheel of the manual wheelchair. 7.根据权利要求6所述的轮椅移动辅助装置,其特征在于,所述的连接螺栓与手动轮椅前轮安装轴孔之间设置调节锥形台,调节锥形台内孔与连接螺栓配合;调节锥形台外部与手动轮椅前轮安装轴孔配合。7 . The wheelchair moving aid device according to claim 6 , wherein an adjusting cone is arranged between the connecting bolt and the mounting shaft hole of the front wheel of the manual wheelchair, and the inner hole of the adjusting cone is matched with the connecting bolt; 8 . The outside of the adjustment cone is matched with the mounting shaft hole of the front wheel of the manual wheelchair. 8.根据权利要求6中任意一项所述的轮椅移动辅助装置,其特征在于,所述的连接部与立管支撑部连接位置高度方向上能够调节。8 . The wheelchair movement assistance device according to claim 6 , wherein the connection position between the connection portion and the standpipe support portion can be adjusted in the height direction. 9 . 9.一种轮椅,其特征在于,安装有如权利要求1-9中任意一项所述的轮椅移动辅助装置。9 . A wheelchair, characterized in that, the wheelchair movement assistance device according to any one of claims 1 to 9 is installed. 10.根据权利要求9所述的一种轮椅,其特征在于,所述的轮椅移动辅助装置安装在轮椅的前轮上。10 . The wheelchair according to claim 9 , wherein the wheelchair movement assisting device is installed on the front wheel of the wheelchair. 11 .
CN201811644598.2A 2018-12-29 2018-12-29 A kind of wheelchair auxiliary device for moving and wheelchair Pending CN109481167A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811644598.2A CN109481167A (en) 2018-12-29 2018-12-29 A kind of wheelchair auxiliary device for moving and wheelchair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811644598.2A CN109481167A (en) 2018-12-29 2018-12-29 A kind of wheelchair auxiliary device for moving and wheelchair

Publications (1)

Publication Number Publication Date
CN109481167A true CN109481167A (en) 2019-03-19

Family

ID=65712192

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811644598.2A Pending CN109481167A (en) 2018-12-29 2018-12-29 A kind of wheelchair auxiliary device for moving and wheelchair

Country Status (1)

Country Link
CN (1) CN109481167A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2522058Y (en) * 2001-10-19 2002-11-27 梁伟鸿 electric wheelchair
CN2605837Y (en) * 2003-02-26 2004-03-10 牛照均 Electric portable wheel chair
CN2787190Y (en) * 2005-02-22 2006-06-14 牛照均 Portable and detachable electric wheel chair
CN204364267U (en) * 2014-12-12 2015-06-03 绥中乾鼎科技有限公司 A kind of wheelchair electric motor car head
CN104758127A (en) * 2015-03-25 2015-07-08 谢空成 Quick connecting structure for electrically propelled wheelchair head and wheelchair and electrically propelled wheelchair head
CN204766219U (en) * 2015-06-08 2015-11-18 戴挺生 A electronic round of device for manual wheel chair
CN106572937A (en) * 2014-06-23 2017-04-19 韩国生产技术研究院 Traveling aid apparatus having separate mounting frame
CN108478346A (en) * 2018-04-03 2018-09-04 蔡书洪 A kind of electronic headstock connecting wheelchair
CN209645263U (en) * 2018-12-29 2019-11-19 陈立新 A kind of wheelchair auxiliary device for moving and wheelchair

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2522058Y (en) * 2001-10-19 2002-11-27 梁伟鸿 electric wheelchair
CN2605837Y (en) * 2003-02-26 2004-03-10 牛照均 Electric portable wheel chair
CN2787190Y (en) * 2005-02-22 2006-06-14 牛照均 Portable and detachable electric wheel chair
CN106572937A (en) * 2014-06-23 2017-04-19 韩国生产技术研究院 Traveling aid apparatus having separate mounting frame
CN204364267U (en) * 2014-12-12 2015-06-03 绥中乾鼎科技有限公司 A kind of wheelchair electric motor car head
CN104758127A (en) * 2015-03-25 2015-07-08 谢空成 Quick connecting structure for electrically propelled wheelchair head and wheelchair and electrically propelled wheelchair head
CN204766219U (en) * 2015-06-08 2015-11-18 戴挺生 A electronic round of device for manual wheel chair
CN108478346A (en) * 2018-04-03 2018-09-04 蔡书洪 A kind of electronic headstock connecting wheelchair
CN209645263U (en) * 2018-12-29 2019-11-19 陈立新 A kind of wheelchair auxiliary device for moving and wheelchair

Similar Documents

Publication Publication Date Title
CN203511916U (en) Portable and foldable draw-bar box type electric tricycle with function of folding chair
CN201385733Y (en) Foldable and portable electric motor car
CN205396357U (en) Balance car
CN203427958U (en) Light-weight folding scooter for old and disabled people
CN104875828A (en) Slim luggage electric vehicle
CN206171674U (en) Foldable old vehicle using motor
CN202173534U (en) Portable electric wheelchair
CN202294946U (en) Steering wheel capable of adjusting angle
CN209645263U (en) A kind of wheelchair auxiliary device for moving and wheelchair
CN109481167A (en) A kind of wheelchair auxiliary device for moving and wheelchair
CN203199118U (en) Folding electric bicycle
CN202376338U (en) Solar electrically-powered wheelchair
CN104828187A (en) Self-balancing electric one-wheel motorcycle
CN204260938U (en) A kind of Novel electric wheelchair
CN204072540U (en) Wheelchair motorized motions head
CN207791001U (en) A kind of station seat dual-purpose electric vehicle
CN204846206U (en) 360° rotating electric car
CN203094326U (en) Portable bicycle with lock knob device
CN204021107U (en) Amusement scooter
CN102310911A (en) Mini electric vehicle
CN203111398U (en) Electric bicycle driving device
CN2691548Y (en) Improved electric wheel chair
CN203567871U (en) Electric campstool
CN103121489A (en) Portable electric bicycle
CN215535768U (en) Traction part of wheelchair

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190319