WO2020209473A1 - Cadre de bicyclette - Google Patents

Cadre de bicyclette Download PDF

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Publication number
WO2020209473A1
WO2020209473A1 PCT/KR2019/017727 KR2019017727W WO2020209473A1 WO 2020209473 A1 WO2020209473 A1 WO 2020209473A1 KR 2019017727 W KR2019017727 W KR 2019017727W WO 2020209473 A1 WO2020209473 A1 WO 2020209473A1
Authority
WO
WIPO (PCT)
Prior art keywords
panel member
frame
fixed
bicycle
upper panel
Prior art date
Application number
PCT/KR2019/017727
Other languages
English (en)
Korean (ko)
Inventor
서명진
Original Assignee
서명진
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 서명진 filed Critical 서명진
Priority to DE112019007168.8T priority Critical patent/DE112019007168T5/de
Publication of WO2020209473A1 publication Critical patent/WO2020209473A1/fr

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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
    • B62K19/00—Cycle frames
    • B62K19/02—Cycle frames characterised by material or cross-section of frame members
    • 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
    • B62K19/00—Cycle frames
    • B62K19/18—Joints between frame members
    • B62K19/20—Joints between frame members welded, soldered, or brazed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J43/00—Arrangements of batteries
    • B62J43/20—Arrangements of batteries characterised by the mounting
    • 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
    • B62K19/00—Cycle frames
    • B62K19/02—Cycle frames characterised by material or cross-section of frame members
    • B62K19/04—Cycle frames characterised by material or cross-section of frame members the material being wholly or mainly metallic, e.g. of high elasticity
    • B62K19/08—Cycle frames characterised by material or cross-section of frame members the material being wholly or mainly metallic, e.g. of high elasticity made from sheet
    • 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
    • B62K19/00—Cycle frames
    • B62K19/30—Frame parts shaped to receive other cycle parts or accessories
    • B62K19/32—Steering heads
    • 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
    • B62K19/00—Cycle frames
    • B62K19/30—Frame parts shaped to receive other cycle parts or accessories
    • B62K19/36—Frame parts shaped to receive other cycle parts or accessories for attaching saddle pillars, e.g. adjustable during ride
    • 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
    • B62K19/00—Cycle frames
    • B62K19/30—Frame parts shaped to receive other cycle parts or accessories
    • B62K19/40—Frame parts shaped to receive other cycle parts or accessories for attaching accessories, e.g. article carriers, lamps
    • 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
    • B62K3/00—Bicycles
    • B62K3/02—Frames
    • B62K3/04—Frames having a substantially horizontal top bar
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J43/00—Arrangements of batteries
    • B62J43/10—Arrangements of batteries for propulsion
    • B62J43/13—Arrangements of batteries for propulsion on rider-propelled cycles with additional electric propulsion
    • 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
    • B62K21/00—Steering devices
    • B62K21/06—Bearings specially adapted for steering heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/80—Accessories, e.g. power sources; Arrangements thereof
    • B62M6/90—Batteries

Definitions

  • the present invention relates to a frame for a bicycle, and more particularly, to a frame for a bicycle capable of achieving a robust and stable structure and capable of designing various designs.
  • Bicycles are used for leisure and sports while being used as a means of transportation.
  • the initial design of such a bicycle is a structure in which a triangular front frame and a triangular rear frame form a single frame.
  • the front frame includes a head tube, a top tube, a down tube, a seat tube and a bottom bracket cell.
  • the head tube is provided with a fork for coupling a steering wheel of a bicycle and a front wheel, and the top tube is used as a member connecting the head tube and the seat tube.
  • the down tube is used as a member connecting the head tube and the bottom bracket
  • the seat tube is used as a member connecting the top tube and the bottom bracket.
  • a seat post on which the seat is substantially mounted is inserted into the seat tube.
  • Most of the tubes are fixed with round metal pipes by welding or the like.
  • a structure in which a plurality of pipe members are fixed by welding may cause residual thermal stress, and there is a problem in that the strength cannot be sufficiently maintained due to defects due to welding.
  • the frame body is formed by separating the frame body into a left frame and a right frame, and these left and right frames are welded to form a single body.
  • the left and right frames are each a first frame having a predetermined length, a second frame extending from the first frame at different angles by a predetermined length, and branching from the middle of the first frame and extending at different angles by a predetermined length.
  • the third frame is integrally molded.
  • the left and right frames are each formed with a head portion and a seat portion.
  • a reinforcing plate is manufactured in a shape similar to that of the frame body so that it can be fitted between the left frame and the right frame.
  • Each of the reinforcing plates is divided into a first reinforcing plate and a second reinforcing plate, so that the first reinforcing plate can be coupled between the first and second frames.
  • the head portion and the seat portion are integrally molded in the frame separated from the left and right sides, and the head portion and the seat portion have a structure protruding from the left and right frames in a semicircular shape. Therefore, the left and right frame body portions are linearly welded, whereas the head portion and the seat portion are welded by curve welding, which may lead to poor welding.
  • a front part on which the front wheels are installed
  • the front part The front part,
  • a hole in which a steering wheel is mounted is formed on one side, and a hole in which a seat post is inserted and fixed on the other side is formed, and includes an upper panel part and a lower panel part that are arranged and fixed up and down,
  • first rear wheel side panel member and a second rear wheel side panel member which are welded and fixed to the upper and lower panel parts and disposed to the left and right to be fixed.
  • a first upper panel member positioned on the upper side
  • a first lower panel member fixed to a bottom surface of the second upper panel member
  • the first rear wheel side panel member The first rear wheel side panel member
  • a first upper left panel member connected to one side of the first and second upper panel members
  • a second upper left panel member connected to the other side of the first and second upper panel members
  • the first and second rear wheel-side panel members extend forward while passing through the seat post and are coupled to cross the first and second upper panel members and the first and second lower panel members.
  • the first and second upper and lower panel members have a substantially semicircular cross section.
  • a reinforcing member is fixed to the inside of the first and second rear wheel side panel members.
  • a hole is formed in the first upper panel member and the second lower panel member, and a support member is inserted into the hole to mount a bearing.
  • the depth of the molding can be increased during press molding, so that the design can be freely designed.
  • the frame of the bicycle is a structure that is connected to each other after the front and rear parts are independently molded, it is possible to design various designs by applying different panel materials for the components of the front and rear parts. .
  • the head tube portion on which the steering wheel is mounted and the portion on which the seat tube can be mounted are formed on the same panel member, the accuracy of the position can be ensured.
  • the head tube is formed on the panel itself, the shape of the garden can be stably maintained, and welding deformation can be minimized because the welding operation is not directly performed on the head tube.
  • FIG. 1 shows a bicycle to which a frame according to an embodiment of the present invention is applied.
  • FIG. 2 is a perspective view of a frame coupled state according to an embodiment of the present invention.
  • FIG. 3 is a perspective view of an exploded state of a frame according to an embodiment of the present invention.
  • FIG. 4 is a cross-sectional view illustrating a head portion of a frame according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view illustrating a seat portion of a frame according to an embodiment of the present invention.
  • FIG. 6 is a bottom perspective view of a frame in which a front part and a rear part are combined according to an embodiment of the present invention.
  • a component referred to as “... unit” or “... means” refers to a collection of a plurality of components that are combined for a specific operation or function, and "... The meaning of "includes.” means that other components may be further included.
  • FIG. 1 shows a bicycle installed on a frame according to an embodiment of the present invention
  • FIG. 2 shows only the bicycle frame in FIG. 1 by separating it.
  • FIG. 1 shows a front wheel 2 and a rear wheel 4 of a bicycle, and the front wheel 2 is connected to the steering wheel 8 through a fork 6.
  • the front wheels 2 and the rear wheels 4 are installed at a certain distance apart, and a saddle 12 is installed in the frame 10 through a seat post 14.
  • the frame 10 includes a front part F and a rear part R, and the front part F includes an upper panel part 16 and a lower panel part 18.
  • the rear part R includes a left panel part 20 and a right panel part 22.
  • the upper panel part 16 is fixed by welding or the like by overlapping the right end in the vertical direction.
  • the upper panel part 16 and the lower panel part 18 are integrally connected to the left panel part 20 and the right panel part 22 of the rear part R by welding, respectively, as seen in the drawing. do.
  • the upper panel part 16 includes a first upper panel member 24 and a second upper panel member 26 as shown in FIG. 3, and the first and second panels Members 24 and 26 are made to be coupled in the vertical direction as shown in FIG.
  • the first and second upper panel members 24 and 26 form holes 28 and 30 through which a steering shaft (not shown) that is connected to and interlocked with the steering handle 8 penetrates at one end thereof.
  • first upper panel members 24 form a first inclined portion 32, a second inclined portion 34, and a third inclined portion 36, as shown in FIGS. 1 and 3.
  • first, second, and third inclined portions 32, 34, and 36 have different inclination angles by two bending areas, and these inclined portions make the rear part R as shown in FIG. ) And connection can be natural.
  • the second upper panel member 26 which is fixed to be superimposed on the lower side of the first upper panel member 24 of this structure, is also bent at the same inclination angle at a position corresponding to the first upper panel member 24. It has a true structure.
  • the hole 38 is also formed in the third inclined portion 36 in a similar structure to the hole 28 formed in the first inclined portion 32.
  • the seat post 14 is inserted into the hole 38.
  • a hole 40 is formed at a position corresponding to the hole 38 formed in the first inclined portion 32 in a downward direction, so that the seat post 14 can pass through. To be able to.
  • the lower panel part 18 includes a first lower panel member 42 and a second lower panel member 44.
  • the first lower panel member 42 may also be naturally connected to the rear part R by forming inclined portions similar to the first upper panel member 24 as shown in FIG. 1.
  • the first and second lower panel members 42 and 44 have a structure that is coupled in the vertical direction as shown in FIG. 4, and as seen in the drawing, a hole through which the steering shaft (not shown) passes through the left part ( 46) (48) are formed.
  • a hole 50 is formed at a position corresponding to the) 40.
  • a portion in which the hole 50 is formed is formed to be longer than the length of the second lower panel member 44, and by this structure, a flat portion P ) Is formed.
  • a battery or the like can be built into the flat portion.
  • the first and second upper panel members 24 and 26 and the first and second lower panel members 42 and 44 are bent on three of the front, rear, left and right sides as shown in FIG. Or it is made of a cross section of an approximately semicircular shape to increase structural strength.
  • the holes 28, 30, 38, 40, 46, 48, and 50 are of a size that can be mounted on the steering rows 8 and the seatpost 14 through burring processing. It is machined to diameter.
  • the rear part R includes members fixed in contact with the upper panel part 16 and the lower panel part 18.
  • the rear part R has a fork member 52 for mounting the rear wheel 4 attached thereto, and the first and second rear wheel side panel members 58 (58) in which the rear wheel hub portions 54 and 56 are integrally formed. 60).
  • the first rear wheel side panel member 58 includes a first upper left panel member 62 and a first lower part extending from the rear wheel hub part 54 to the front side (as viewed in the drawing in a right direction and divided up and down). It includes a left panel member 64.
  • the second rear wheel side panel member 60 the same as the first rear wheel side panel member 58, the second upper right panel member 66 and the second lower right side extending forward and at the same time divided up and down. Includes a panel member 68.
  • first upper panel member 24 and the second upper panel member 26 of the upper panel part 16 are in a state in which the hole 28 and the other hole 30 coincide. It shows that the parts that are arranged vertically and overlap each other are fixed by welding. Welding is performed in the longitudinal direction while the second upper panel member 26 is inserted into the first upper panel member 24.
  • a bearing 70 is located inside the hole 28 formed in the first upper panel member 24 so that a smooth steering action of the steering handle 8 can be performed.
  • a support member 72 may be installed in the hole 28 for installation of the bearing 70.
  • the first lower panel member 42 and the second lower panel member 44 are also positioned in a state in which the holes 46 and 48 coincide, and are welded and integrated as shown in FIG. 4.
  • the second lower panel member 44 is welded in the longitudinal direction of the member while the second lower panel member 44 is positioned in an overlapping state outside the first lower panel member 42.
  • the periphery of the hole 30 of the second upper panel member 26 and the portion of the hole 46 of the first lower panel member 42 are welded and fixed.
  • reinforcing members 74 and 76 are fixed to the inner surfaces of the first rear wheel side panel member 58 and the second rear wheel side panel member 60, respectively, so that the strength of the member can be improved.
  • a bearing 73 is also mounted in the hole 48 of the second lower panel member 44 to achieve a smooth steering action of the steering handle 8.
  • the first and second rear wheel side panel members 58 and 60 are welded in the longitudinal direction in a superimposed state to form an integrated first and second rear wheel side panel members, and the first and second rear wheel side panels are integrated.
  • the member is integrated by welding as shown in Figs. 2, 5 and 6 with the members of the front part (F).
  • the first and second upper panel members 24 and 26 of the front part F are welded to and integrated with the first upper left panel member 62 and the second upper right panel member 66 of the rear part R. do.
  • first and second lower panel members 42 and 44 of the front part F are welded to and integrated with the first lower left panel member 64 and the second lower right panel member 68 of the rear part R. It can be fixed in a state as shown in FIG.
  • first upper panel member 24 is welded to the upper portions of the first upper left panel member 62 and the second upper right panel member 66.
  • first upper left panel member 62 and the second upper right panel member 66 are welded to the left and right sides of the second upper panel member 26, respectively.
  • first lower left panel member 64 and the second lower right panel member 68 are welded around the hole 5 of the first lower panel member 42.
  • the components of the rear part R extend to the front side and are fixed in a state intersecting with the components of the front part F around the seat post 14.
  • first upper and lower left panel members 62 and 64 and the second upper and lower right panel members 66 and 68 of the rear part R are further extended to the front after passing through the seat post 14. 1,2 upper panel members 24 and 26, and the first and second lower panel members 42 and 44 are welded.
  • This structure will further increase the rigidity of the frame.
  • the holes 28, 30, 46, and 48 in which the steering wheel 8 is located are in a state in which the centers are aligned, and the holes 38, 40, and 50 in which the seat post 14 is located.
  • the seat post 14 is inserted in a state in which the center of the figure coincides and is fixed by welding as shown in FIG. 5.
  • the bicycle frame according to the present invention made as described above can be installed by simply assembling the support member 72 by pressing the support member 72 into the holes 28 and 48 formed in the front part F. Likewise, welding work for panels and headsets is unnecessary.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

L'invention concerne un cadre de bicyclette comprenant une partie avant ayant une roue avant et une partie arrière reliée et fixée à la partie avant et ayant une roue arrière, la partie avant comprenant une partie panneau supérieur et une partie panneau inférieur, qui comportent, sur un côté, des trous dans lesquels est monté un guidon et, sur l'autre côté, des trous dans lesquels est introduite et fixée une tige de selle et qui sont agencés verticalement et fixés et la partie arrière comprend un premier élément de panneau latéral de roue arrière et un second élément de panneau latéral de roue arrière qui sont soudés et fixés aux parties panneau supérieur et inférieur et qui sont agencés et fixés horizontalement. Le cadre présente un degré élevé de liberté de conception et peut réduire au minimum la déformation de soudure.
PCT/KR2019/017727 2019-04-08 2019-12-13 Cadre de bicyclette WO2020209473A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112019007168.8T DE112019007168T5 (de) 2019-04-08 2019-12-13 Fahrradrahmen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020190040582A KR102328647B1 (ko) 2019-04-08 2019-04-08 자전거용 프레임
KR10-2019-0040582 2019-04-08

Publications (1)

Publication Number Publication Date
WO2020209473A1 true WO2020209473A1 (fr) 2020-10-15

Family

ID=72751113

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2019/017727 WO2020209473A1 (fr) 2019-04-08 2019-12-13 Cadre de bicyclette

Country Status (3)

Country Link
KR (1) KR102328647B1 (fr)
DE (1) DE112019007168T5 (fr)
WO (1) WO2020209473A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110000725U (ko) * 2009-07-15 2011-01-21 주식회사 파워라이드 프레임 일체형 힌지 구조를 구비한 자전거
JP2011230610A (ja) * 2010-04-26 2011-11-17 Honda Motor Co Ltd 自動二輪車の車体フレーム
CN202896771U (zh) * 2012-11-29 2013-04-24 平湖米家儿童用品有限公司 助载自行车车架结构
KR20160143447A (ko) * 2015-06-05 2016-12-14 주식회사 한국 에이씨엠 자전거 프레임 조립체
US20190031273A1 (en) * 2015-05-17 2019-01-31 Trek Bicycle Corporation Adjustable compliance bicycle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101556384B1 (ko) 2014-05-12 2015-09-30 주식회사 명지 강도 보강용 자전거 프레임
KR101628310B1 (ko) 2014-11-28 2016-06-21 (주)명지 일체형 자전거 프레임

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110000725U (ko) * 2009-07-15 2011-01-21 주식회사 파워라이드 프레임 일체형 힌지 구조를 구비한 자전거
JP2011230610A (ja) * 2010-04-26 2011-11-17 Honda Motor Co Ltd 自動二輪車の車体フレーム
CN202896771U (zh) * 2012-11-29 2013-04-24 平湖米家儿童用品有限公司 助载自行车车架结构
US20190031273A1 (en) * 2015-05-17 2019-01-31 Trek Bicycle Corporation Adjustable compliance bicycle
KR20160143447A (ko) * 2015-06-05 2016-12-14 주식회사 한국 에이씨엠 자전거 프레임 조립체

Also Published As

Publication number Publication date
DE112019007168T5 (de) 2021-12-16
KR20200118549A (ko) 2020-10-16
KR102328647B1 (ko) 2021-11-17

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