WO2020010799A1 - Cadre et tricycle - Google Patents

Cadre et tricycle Download PDF

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Publication number
WO2020010799A1
WO2020010799A1 PCT/CN2018/121063 CN2018121063W WO2020010799A1 WO 2020010799 A1 WO2020010799 A1 WO 2020010799A1 CN 2018121063 W CN2018121063 W CN 2018121063W WO 2020010799 A1 WO2020010799 A1 WO 2020010799A1
Authority
WO
WIPO (PCT)
Prior art keywords
main frame
locking
rear bracket
frame
rotatably connected
Prior art date
Application number
PCT/CN2018/121063
Other languages
English (en)
Chinese (zh)
Inventor
丁峰
赖春华
Original Assignee
江苏小小恐龙儿童用品集团有限公司
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 江苏小小恐龙儿童用品集团有限公司 filed Critical 江苏小小恐龙儿童用品集团有限公司
Publication of WO2020010799A1 publication Critical patent/WO2020010799A1/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
    • B62K9/00—Children's cycles
    • B62K9/02—Tricycles
    • 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
    • B62K15/00—Collapsible or foldable cycles
    • B62K15/006—Collapsible or foldable cycles the frame being foldable

Definitions

  • the present disclosure relates to the technical field of baby carriages, for example, to a frame and a tricycle.
  • a tricycle for children in the related art includes a front fork, a front wheel provided at a lower portion of the front fork, a handlebar provided on the front fork and capable of controlling front wheel steering, a main frame extending in a front-rear direction, and A seat on the frame, a rear bracket provided on the frame, and a rear wheel provided on the rear bracket.
  • the two ends of the main frame of the children's tricycle are fixedly connected to the front fork and the rear bracket, respectively. Therefore, the main frame cannot be folded, and can only be presented in the posture when riding.
  • the putter for adult operation cannot be linked with the frame, so when it is folded twice, not only the folding volume is large and the operation is inconvenient, but it also causes higher costs during transportation.
  • the present disclosure provides a frame and a tricycle, which can be quickly folded according to user needs, and when the main frame is folded, it can be folded in conjunction with a push rod, which is not only convenient to operate and small in size, but also reduces transportation costs.
  • An embodiment provides a vehicle frame including: a front fork; a front wheel provided at a lower portion of the front fork; a handlebar provided on the front fork and configured to control steering of the front wheel; a rear bracket; two Two rear wheels respectively arranged on both sides of the rear bracket; a push rod is rotatably connected to the rear bracket; a head pipe is provided on the front fork; a main frame is rotatably connected to the head pipe and the rear A bracket, and the main frame includes a sliding portion sleeved on the push rod, the sliding portion is slidable along the push rod; and a link, a first end of the link is rotatably connected to the push rod
  • the head pipe, the second end of the connecting rod is rotatably connected to the rear bracket, and the head pipe, the main frame, the rear bracket and the connecting rod form a four-link mechanism.
  • An embodiment also provides a tricycle including a seat assembly and the above-mentioned frame, the seat assembly including a seat provided on the main frame and a front armrest both rotated on the seat And poncho.
  • FIG. 1 is a schematic structural diagram of a vehicle frame in a fully deployed state according to an embodiment
  • FIG. 2 is a schematic structural view of a vehicle frame in a half-folded state from one perspective according to an embodiment
  • FIG. 3 is a schematic structural view of a vehicle frame provided in an embodiment from another perspective in a half-folded state;
  • FIG. 4 is a schematic structural diagram of a vehicle frame in a fully folded state according to an embodiment.
  • the tricycle is a children's tricycle.
  • the children's tricycle includes a seat assembly and a frame, and the seat assembly includes a main frame 8.
  • the seat 11 and the front armrest 12 and the canopy 13 provided on the seat 11 are rotated.
  • both the front armrest 12 and the canopy rod 13 have a rotation function, which is not only convenient to operate and small in volume after being folded, but also can be folded according to user needs, which is convenient for storage and carrying, and reduces transportation costs.
  • This embodiment also provides a vehicle frame, as shown in FIGS. 1-4.
  • the vehicle frame includes a front fork 1, a front wheel disposed on a lower portion of the front fork 1, and a front wheel 1 disposed on the front fork 1 and capable of controlling the front wheel.
  • Steering handlebar 3 rear bracket 4, two rear wheels provided on both sides of the rear bracket 4, and 5 a push rod 6, head tube 7, main frame 8, connecting rod 10 and
  • the locking mechanism 9 is provided with a head pipe 7 on the front fork 1; the main frame 8 is rotatably connected to the head pipe 7 and the rear bracket 4, respectively, and the main frame 8 includes a sliding part, which is sleeved on the push rod 6.
  • both ends of the connecting rod 10 are respectively connected to the head pipe 7 and the rear bracket 4, the head pipe 7, the main frame 8, the rear bracket 4 and the connecting rod 10 form a four-link mechanism;
  • the mechanism 9 is provided to lock and unlock between the main frame 8 and the rear bracket 4.
  • the main frame 8 is rotatably connected to the head pipe 7 and the rear bracket 4, respectively, and both ends of the connecting rod 10 are rotatably connected to the head pipe 7 and the rear bracket 4, respectively, so that the head pipe 7, the main frame 8, the rear bracket 4 and the connection
  • the lever 10 forms a four-link mechanism.
  • the part slides up along the push rod 6, and drives the head tube 7, the connecting rod 10, the rear bracket 4 and the front fork 1 to move closer to the push rod 6 to achieve the folding of the frame; when the frame needs to be unfolded, the main frame
  • the sliding part of 8 slides down the push rod 6 and drives the head tube 7, the connecting rod 10, the rear bracket 4 and the front fork 1 to spread away from the push rod 6, and then the main frame 8 and The rear bracket 4 is locked, and then the frame is unfolded and locked.
  • the frame can be unfolded when you need to ride, and folded when you need to carry, store, and transport. It can be freely switched between folded and unfolded states according to user needs, and it is convenient for users to use. At the same time, the frame is small after folding. It occupies a small space, is easy to store and carry, and reduces transportation costs.
  • the main frame 8 includes a support rod 81, wherein the sliding portion is a sliding sleeve 82, wherein the first end of the support rod 81
  • the second end of the support rod 81 is rotatably connected to the first end of the sliding sleeve 82, and the middle portion of the support rod 81 is rotatably connected to the rear bracket 4.
  • the head pipe 7 and the rear bracket 4, and the upper ends of the rear bracket 4 are rotatably connected to the connecting rod 10 and the supporting rod 81, respectively. Therefore, the head pipe 7, the supporting rod 81, the rear bracket 4 and the connecting rod 10 form a four-link 10 mechanism.
  • the first end of the sliding sleeve 82 is rotatably connected to the second end of the support rod 81, and the second end of the sliding sleeve 82 is sleeved on the push rod 6 and can slide along the push rod 6.
  • the sliding sleeve 82 is slid upward along the push rod 6 and is limited by a limit block 61 provided on the upper end of the push rod 6.
  • the rear bracket 4 includes two side beams 41 arranged in parallel.
  • the link 10 and the main frame 8 are both disposed between the two side beams 41.
  • the use of two side beams 41 has a good load bearing effect, thereby enhancing the stability of the overall structure of the frame.
  • the side beam 41 is an arc-shaped structure, which not only has beautiful appearance, but also avoids the sharp edges and corners from harming children and improves the safety performance.
  • the above-mentioned locking mechanism 9 includes a locking component rotatably disposed on the support rod 81 and a locking crossbar 91 provided between the two side beams 41.
  • the locking component is detachably connected to the lock
  • the cross bar 91 is used for locking and unlocking between the support bar 81 and the rear bracket 4.
  • the above-mentioned locking assembly includes two locking pieces 92 which are rotatably disposed on both sides of the support rod 81, and the two locking pieces 92 are connected through a connecting piece provided above the main frame 8, so that the two locking pieces 92 Form a complete whole.
  • the first end of the locking piece 92 is provided with a rotating portion configured to be rotatably connected to the main frame 8, and the second end is provided with a groove 921 capable of snapping the locking crossbar 91.
  • the locking mechanism has a simple structure, is easy to operate, and has low production cost, which is suitable for mass production.

Landscapes

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

Abstract

Cadre, comprenant : une fourche avant (1) ; une roue avant (2) disposée au niveau d'une partie inférieure de la fourche avant (1) ; un guidon (3) disposé sur la fourche avant (1) et prévu pour commander la direction de la roue avant ; un support arrière (4) ; une barre de poussée (6), reliée rotative au support arrière (4) ; un tuyau de tête (7), disposé sur la fourche avant (1) ; un cadre principal (8), relié rotatif au tuyau de tête (7) et au support arrière (4), et le cadre principal (8) pouvant coulisser le long de la barre de poussée (6) ; et une barre de liaison (10). Le tube de tête (7), le cadre principal (8), le support arrière (4) et la barre de liaison (10) forment une tringlerie à quatre barres.
PCT/CN2018/121063 2018-07-10 2018-12-14 Cadre et tricycle WO2020010799A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810753420.5A CN108674550B (zh) 2018-07-10 2018-07-10 一种车架及儿童三轮车
CN201810753420.5 2018-07-10

Publications (1)

Publication Number Publication Date
WO2020010799A1 true WO2020010799A1 (fr) 2020-01-16

Family

ID=63813790

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/121063 WO2020010799A1 (fr) 2018-07-10 2018-12-14 Cadre et tricycle

Country Status (2)

Country Link
CN (1) CN108674550B (fr)
WO (1) WO2020010799A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109353439A (zh) * 2018-10-22 2019-02-19 宁波川浪实业有限公司 一种儿童三轮车折叠机构
US20220177068A1 (en) * 2019-04-15 2022-06-09 Jiaxing Xiaohuzi Bike Factory Company Limited Foldable stroller

Citations (5)

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CN2129731Y (zh) * 1992-06-04 1993-04-14 卢春成 折叠式多功能童车
JP2004099021A (ja) * 2002-09-10 2004-04-02 Cheol Wang Lim 折り畳み式三輪車
CN105480342A (zh) * 2016-01-19 2016-04-13 嘉兴小虎子车业有限公司 可折叠的儿童三轮车及其折叠方法
CN205150096U (zh) * 2015-12-01 2016-04-13 陈尽亮 一种易折叠儿童三轮车
CN205524699U (zh) * 2016-01-19 2016-08-31 嘉兴小虎子车业有限公司 可折叠的儿童三轮车

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KR100280695B1 (ko) * 1998-07-21 2001-02-01 윤석권 절첩식 자전거
KR100363220B1 (ko) * 2000-03-17 2002-11-30 문종웅 접이식 3륜자전거
CN201124855Y (zh) * 2007-08-28 2008-10-01 好孩子儿童用品有限公司 儿童推车
CN201721571U (zh) * 2010-06-24 2011-01-26 刘建南 一种可折叠电动自行车
CN104149836B (zh) * 2014-07-04 2016-06-15 好孩子儿童用品有限公司 儿童推车
CN104149835B (zh) * 2014-07-04 2019-03-08 好孩子儿童用品有限公司 儿童推车
CN204161576U (zh) * 2014-09-16 2015-02-18 赵军辉 可折叠电动自行车
CN204400552U (zh) * 2014-12-31 2015-06-17 安徽江淮银联重型工程机械有限公司 一种叉车机罩杠杆式锁紧机构
WO2018051352A1 (fr) * 2016-09-15 2018-03-22 Mobius Design Ltd. Robotrike
CN207417038U (zh) * 2017-09-14 2018-05-29 深圳市概念智慧科技有限公司 折叠车车架锁紧机构及折叠车
KR102520979B1 (ko) * 2017-09-27 2023-04-12 라디오플라이어인코포레이티드 접이식 세발자전거
CN208439367U (zh) * 2018-07-10 2019-01-29 罗瑞运动用品（昆山）有限公司 一种车架及儿童三轮车

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2129731Y (zh) * 1992-06-04 1993-04-14 卢春成 折叠式多功能童车
JP2004099021A (ja) * 2002-09-10 2004-04-02 Cheol Wang Lim 折り畳み式三輪車
CN205150096U (zh) * 2015-12-01 2016-04-13 陈尽亮 一种易折叠儿童三轮车
CN105480342A (zh) * 2016-01-19 2016-04-13 嘉兴小虎子车业有限公司 可折叠的儿童三轮车及其折叠方法
CN205524699U (zh) * 2016-01-19 2016-08-31 嘉兴小虎子车业有限公司 可折叠的儿童三轮车

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CN108674550B (zh) 2024-04-09
CN108674550A (zh) 2018-10-19

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