WO2020215406A1 - Structure de cadre de bicyclette pour nouvelle bicyclette électrique - Google Patents

Structure de cadre de bicyclette pour nouvelle bicyclette électrique Download PDF

Info

Publication number
WO2020215406A1
WO2020215406A1 PCT/CN2019/087183 CN2019087183W WO2020215406A1 WO 2020215406 A1 WO2020215406 A1 WO 2020215406A1 CN 2019087183 W CN2019087183 W CN 2019087183W WO 2020215406 A1 WO2020215406 A1 WO 2020215406A1
Authority
WO
WIPO (PCT)
Prior art keywords
tube
head
hanger
seat
frame structure
Prior art date
Application number
PCT/CN2019/087183
Other languages
English (en)
Chinese (zh)
Inventor
应儿
Original Assignee
浙江阿波罗摩托车制造有限公司
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.)
Filing date
Publication date
Application filed by 浙江阿波罗摩托车制造有限公司 filed Critical 浙江阿波罗摩托车制造有限公司
Publication of WO2020215406A1 publication Critical patent/WO2020215406A1/fr

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
    • B62K11/02—Frames

Definitions

  • the utility model relates to a frame, in particular to a frame structure of a novel electric bicycle.
  • Electric bicycle refers to a mechatronics personal vehicle that uses storage batteries as auxiliary energy sources on the basis of ordinary bicycles and is equipped with motor, controller, storage batteries, handlebars and other operating components and display instrument systems.
  • the head tube and the down tube of the existing electric bicycle frame are connected by welding.
  • welding is required during production, which causes process troubles.
  • it also produces obvious welding beads and affects the appearance of the whole vehicle. degree.
  • the lower tube structure of the existing electric bicycle is a single-lumen structure, which is troublesome to install batteries and wire, and work efficiency is low.
  • the existing electric bicycle saddle tube and the middle tube adopt an exposed fixed connection structure, which is not firm when fixing the seat, which is prone to shaking, and it is not beautiful when exposed to the outside.
  • the utility model provides a novel electric bicycle frame structure.
  • a new type of electric bicycle frame structure including a head tube, an upper tube, a down tube, a middle tube, a seat tube, a front fork, a seat stay, and a chain stay ,
  • the middle motor hanger and the rear hook ;
  • the upper back side of the head tube is connected to the front end of the upper tube, the rear end of the upper tube is connected to the front side of the upper end of the middle tube, and the lower end of the middle tube and the lower end of the down tube are connected to the middle motor hanger to form a car Frame front triangle;
  • the lower end of the head tube is connected to the front fork, and the lower end of the front fork is connected to both sides of the front axle;
  • the rear end of the central motor hanger is connected to one end of the chainstay, and the rear side of the upper end of the middle tube is connected to the end of the seat stay ,
  • the other end of the chain stay and the other end of the seat stay are connected to the rear hook claws, the rear hook
  • a reinforcing piece is welded at the V-shaped included angle formed by the lower end of the middle tube and the lower tube.
  • a cavity is provided in the lower tube, and a crimping plate is installed.
  • the crimping plate separates the cavity of the lower tube into a battery cavity and a wire storage cavity. When installing, the crimping plate covers each wire, and then install the battery.
  • an upper fixing seat and a lower fixing seat are installed at both ends of the battery cavity, an elastic lock and an elastic thimble are installed on the upper fixing seat, a discharge male is installed on the lower fixing seat, and the lower tube is provided with
  • the lock hole is fixed with a lock holder and an elastic lock; the battery is installed in the battery cavity, and the battery is connected to the discharge male.
  • the middle tube is provided with a saddle tube insertion cavity
  • the rear part of the saddle tube insertion cavity is provided with a downwardly inclined inclined surface
  • the front side of the inclined surface is a socket part
  • the saddle tube is inserted into the socket
  • the middle tube pressing block is inserted into the inclined surface part
  • the bottom of the middle tube pressing block is provided with a lower inclined surface that matches the inclined surface
  • the middle tube pressing block is locked in the middle tube by screws.
  • the rear hook is connected with a rear hanger, the lower end of the rear hanger is connected with the rear end of the rear hook, and the upper front end of the rear hanger is connected with the seat fork through the rear hanger attachment.
  • the utility model has the advantages that: the head tube and the down tube in the utility model adopt a plug-in method, and through a hidden welding groove welding method, the joint is firm and beautiful; the battery is installed and The working efficiency of routing is greatly improved; the connection between the saddle tube and the middle tube is stable; the rear hanger is arranged to facilitate the carrying of items.
  • Figure 1 is a schematic diagram of the overall structure of the utility model.
  • Figure 2 is a schematic diagram of the exploded structure of the present utility model.
  • Fig. 3 is a schematic diagram of a side structure of the lower tube part of the present invention.
  • Figure 4 is a schematic view of the other side of the lower tube part of the utility model.
  • Figure 5 is a schematic cross-sectional view of the middle tube in the present invention.
  • Figure 6 is a schematic cross-sectional view of the down tube in the present invention.
  • Figure 7 is a schematic diagram of the utility model with tires installed.
  • the frame structure of a new type of electric bicycle includes a head tube 1, an upper tube 2, a down tube 3, a middle tube 4, a seat tube 5, a front fork 6, a rear seat fork 7, and a rear Lower fork 8, middle motor hanger 9 and rear hook 10;
  • the upper rear side of the head tube 1 is connected to the front end of the upper tube 2
  • the rear end of the upper tube 2 is connected to the front side of the upper end of the middle tube 4, the lower end of the middle tube 4 and the lower tube 3
  • the lower end is connected to the central motor hanger 9 to form a front triangle of the frame
  • the lower end of the head tube 1 is connected to the front fork 6, and the lower end of the front fork 6 is connected to both sides of the front wheel axle
  • the rear end of the central motor hanger 9 is connected
  • One end of the chain stay 8 the rear side of the upper end of the middle tube 4 is connected to one end of the chain stay 7, the other end of the chain stay 8 and the other end of the chain stay 7 are jointly connected to
  • the head tube 1 and the down tube 3 are welded together, they are polished so that the overall appearance is integrated without affecting the strength of the frame.
  • Traditional frame welding + grinding is only welding and grinding on the outer surface of the frame, and the grinding process is difficult to control: there are fewer grinding beads, and the weld bead will be seen on the outside, which makes the appearance unsightly and can not achieve the integrated effect; Too much, resulting in insufficient strength of the welded part and easy to break.
  • a reinforcing piece 12 is welded at the V-shaped angle formed by the lower end of the middle tube 4 and the lower tube 3.
  • the down tube 3 is provided with a cavity 3-1, and a crimping plate 3-2 is installed, and the crimping plate 3-2 divides the cavity 3-1 of the down tube 3 into a battery cavity 3-11 And the storage cavity 3-12.
  • the crimping board 3-2 covers each wire, and then install the battery.
  • An upper fixing seat 3-3 and a lower fixing seat 3-4 are installed at both ends of the battery cavity, and an elastic lock 3-5 and an elastic thimble 3-6 are installed on the upper fixing seat 3-3.
  • the lower fixing seat 3-4 is equipped with a discharge male connector 3-7, the down tube 3 is provided with a key hole 3-10, a lock holder 3-8 is fixed at the key hole, and an elastic lock 3-5 is installed; installed in the battery cavity There are batteries 3-9, and batteries 3-9 are connected to the discharge male connector 3-7.
  • the utility model adopts the structure of the crimping plate 3-2 to fix the wire. After the electric bicycle wire can be placed very quickly and conveniently, it is covered by a crimping plate 3-2, and then the lower fixing seat 3-4 and the upper fixing seat 3-3 are respectively installed in the upper and lower ends of the lower tube 3 with M3 cross countersunk head screws to fix the crimping plate 3-2.
  • the middle tube 4 is provided with a saddle tube insertion cavity 4-1, and the rear part inside the saddle tube insertion cavity 4-1 is provided with a downward slope 4-2, which is in front of the slope 4-2.
  • the side is the socket part 4-3.
  • the saddle tube 5 is inserted into the socket part 4-3, and a middle tube pressing block 4-4 is inserted into the inclined surface 4-2.
  • the bottom of the middle tube pressing block 4-4 is provided
  • the inclined surface 4-2 is a matching lower inclined surface 4-5, and the middle tube pressing block 4-4 is locked in the middle tube 4 by screws.
  • the utility model first installs the saddle tube 5 into the middle tube 4 and adjusts it to a proper position, and then installs the middle tube pressing block 4-4 into the middle tube 4 from the top, passing through the bottom slope of the middle tube pressing block 4-4 and the inside of the middle tube 4
  • the inclined surface structure allows the middle tube clamp 4-4 to fix the saddle tube 5, and the middle tube clamp 4-4 is locked and fixed in the middle tube 4 by installing a washer with M6 hexagon socket screws.
  • the rear hook 10 is connected with a rear hanger 13
  • the lower end of the rear hanger 13 is connected with the rear end of the rear hook 10
  • the upper front end of the rear hanger 13 is connected with the rear seat fork 7 through the rear hanger attachment 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Abstract

La présente invention concerne une structure de cadre de bicyclette pour une nouvelle bicyclette électrique, la structure comprenant : un tube de tête (1), un tube supérieur (2), un tube inférieur (3), un tube de siège (4), un montant de siège (5), une fourche avant (6), un support de siège (7), un support de chaîne (8), un cadre de montage de moteur central (9), et une extrémité de fourche arrière (10). Un côté arrière d'une partie supérieure du tube de tête est raccordé à une extrémité avant du tube supérieur, une extrémité arrière du tube supérieur est raccordée à un côté avant d'une extrémité supérieure du tube de siège, et une extrémité inférieure du tube de siège et une extrémité inférieure du tube inférieur sont raccordées au cadre de montage de moteur central, formant ainsi un triangle principal d'un cadre de bicyclette. Un côté arrière d'une partie inférieure du tube de tête est pourvu d'une extrémité de raccordement d'insertion et est inséré dans, et raccordé à, une ouverture d'extrémité supérieure du tube inférieur, et l'extrémité de raccordement d'insertion du tube de tête et l'ouverture d'extrémité supérieure du tube inférieur sont pourvues d'une rainure de soudage invisible. La structure de cadre de bicyclette présente les avantages suivants : la fourniture d'un raccordement sûr et esthétiquement agréable au moyen d'un raccordement d'insertion pour le tube de tête et le tube inférieur, et le soudage dudit raccordement pour avoir une rainure de soudage invisible ; l'amélioration d'une efficacité de fonctionnement pour l'installation de batterie et l'acheminement du fil ; le raccordement du montant de siège et du tube de siège de manière sûre ; et la fourniture d'une crémaillère de chargement arrière pour faciliter une capacité de transport d'objet.
PCT/CN2019/087183 2019-04-25 2019-05-16 Structure de cadre de bicyclette pour nouvelle bicyclette électrique WO2020215406A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201920574502.3 2019-04-25
CN201920574502.3U CN209795697U (zh) 2019-04-25 2019-04-25 一种新型电动自行车的车架结构

Publications (1)

Publication Number Publication Date
WO2020215406A1 true WO2020215406A1 (fr) 2020-10-29

Family

ID=68830965

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/087183 WO2020215406A1 (fr) 2019-04-25 2019-05-16 Structure de cadre de bicyclette pour nouvelle bicyclette électrique

Country Status (2)

Country Link
CN (1) CN209795697U (fr)
WO (1) WO2020215406A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1486872A (zh) * 2003-08-21 2004-04-07 苏州大名环动科技有限公司 电动自行车
CN102120480A (zh) * 2010-01-08 2011-07-13 天津新和科技有限公司 电动自行车
CN102616313A (zh) * 2012-04-01 2012-08-01 苏州小蜻蜓电动车有限公司 一种新型的电动自行车
CN102837777A (zh) * 2012-08-24 2012-12-26 苏一清 一种全封闭租赁电动自行车
CN103129671A (zh) * 2013-03-15 2013-06-05 宝岛车业集团有限公司 电动自行车下管
CN204686350U (zh) * 2015-06-01 2015-10-07 浙江凯迪汽车部件工业有限公司 汽车主轴同心焊接结构
CN207191274U (zh) * 2017-08-30 2018-04-06 浙江凯驰电动科技有限公司 一种电动自行车的车架
CN109367672A (zh) * 2018-10-10 2019-02-22 江苏小小恐龙儿童用品集团有限公司 迷你电动自行车

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1486872A (zh) * 2003-08-21 2004-04-07 苏州大名环动科技有限公司 电动自行车
CN102120480A (zh) * 2010-01-08 2011-07-13 天津新和科技有限公司 电动自行车
CN102616313A (zh) * 2012-04-01 2012-08-01 苏州小蜻蜓电动车有限公司 一种新型的电动自行车
CN102837777A (zh) * 2012-08-24 2012-12-26 苏一清 一种全封闭租赁电动自行车
CN103129671A (zh) * 2013-03-15 2013-06-05 宝岛车业集团有限公司 电动自行车下管
CN204686350U (zh) * 2015-06-01 2015-10-07 浙江凯迪汽车部件工业有限公司 汽车主轴同心焊接结构
CN207191274U (zh) * 2017-08-30 2018-04-06 浙江凯驰电动科技有限公司 一种电动自行车的车架
CN109367672A (zh) * 2018-10-10 2019-02-22 江苏小小恐龙儿童用品集团有限公司 迷你电动自行车

Also Published As

Publication number Publication date
CN209795697U (zh) 2019-12-17

Similar Documents

Publication Publication Date Title
CN201189926Y (zh) 竹子自行车架
CN101102929A (zh) 自行车快速释放附件适配器和牵引机构
WO2020215406A1 (fr) Structure de cadre de bicyclette pour nouvelle bicyclette électrique
CN210852737U (zh) 一种新型摩托车后备箱
CN2823487Y (zh) 滑动玻璃门吊夹
CN213384620U (zh) 一种自行车折叠脚踏
CN201169325Y (zh) 插接自行车整体式前叉挡泥板
CN206049931U (zh) 一种新型自行车车架
CN210013596U (zh) 一种汽车尾门抠手组件
CN208325500U (zh) 一种电动自行车保险杠
CN202379035U (zh) 车篮与车把为一体式的公共自行车
CN219904623U (zh) 一种自行车后三角和下管铸造一体式
CN206265208U (zh) 一种摩托车尾箱
CN220315214U (zh) 一种一体式前三角车架
CN208993856U (zh) 一种挎斗摩托车
CN214788483U (zh) 一种可调节开口大小的u型螺栓
CN221293925U (en) Front support rod of electric bicycle
CN205203258U (zh) 一种自行车用后勾爪
CN214296271U (zh) 一种电池安装结构及电动车
CN214084607U (zh) 一种折叠电动滑板车
CN206844994U (zh) 一种用于全地形车的边门、全地形车
CN221163167U (zh) 一种新型电动自行车车头组合结构
CN206938961U (zh) 一种轮式动力车后平叉
CN213502673U (zh) 一种新式电动自行车鞍管安装结构
CN216742694U (zh) 一种车用轮间差速锁压力开关

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19926085

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19926085

Country of ref document: EP

Kind code of ref document: A1