WO2023087655A1 - 一体式接头自行车、电动车、电动助力车车架 - Google Patents

一体式接头自行车、电动车、电动助力车车架 Download PDF

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Publication number
WO2023087655A1
WO2023087655A1 PCT/CN2022/094930 CN2022094930W WO2023087655A1 WO 2023087655 A1 WO2023087655 A1 WO 2023087655A1 CN 2022094930 W CN2022094930 W CN 2022094930W WO 2023087655 A1 WO2023087655 A1 WO 2023087655A1
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Prior art keywords
joint
socketed
tube
integrated
bicycle
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PCT/CN2022/094930
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English (en)
French (fr)
Inventor
吴志华
吴雨恒
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吴志华
吴雨恒
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Application filed by 吴志华, 吴雨恒 filed Critical 吴志华
Publication of WO2023087655A1 publication Critical patent/WO2023087655A1/zh

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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
    • B62K19/18—Joints between frame members
    • B62K19/22—Adhesive joints
    • 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 invention relates to the technical field of manufacturing bicycles, electric vehicles, electric bicycles, etc., in particular to an integrated joint bicycle, electric bicycle, electric bicycle frame.
  • the frame materials of existing bicycles, electric vehicles, and electric mopeds are mainly steel, carbon fiber, aluminum alloy, etc.
  • the frame members need to be fixed into a whole by welding, and the welded frame also needs to be heat treated.
  • welders are labor-intensive, and welders are increasingly scarce, and the efficiency of manual welding is low. Therefore, the cost of the frame manufactured by this welding is relatively high, and the production capacity is low.
  • the bicycle manufacturing industry is very urgent to change this production method, forcing a breakthrough in the structure of the bicycle. How to realize mechanized production is also a breakthrough faced by industries such as bicycles, electric vehicles, and electric mopeds.
  • welded bicycles, electric vehicles, and electric bicycle frames also have relatively high requirements for welds.
  • the welds are required to be uniform, otherwise they will not affect the beauty of the bicycle, and the welds must ensure sufficient strength, or they will not affect the strength of the bicycle.
  • Fiber-way connector is the usual name for this part of the frame in the bicycle, electric vehicle, electric bicycle and other industries, and is not limited to five connectors.
  • the object of the present invention is to provide a bicycle, electric vehicle and electric bicycle frame with integrated joints without welding, high strength, simple and convenient assembly, high production efficiency and low cost.
  • an integrated joint bicycle, electric vehicle, and electric bicycle frame include an upper tube, a lower tube, a middle tube, a flat fork and a vertical fork, and an integrated type head tube joint, integrated bottom bracket joint, integrated middle tube joint and integrated rear dropout; one end of the upper tube is socketed with the head tube joint, and the other end is socketed with the middle tube joint; one end of the lower tube is socketed with the The head pipe joint is socketed, and the other end is socketed with the bottom bracket joint; the middle tube passes through the middle pipe joint, and the lower end is socketed with the bottom bracket joint; one end of the flat fork is socketed with the bottom bracket joint, and the other end is connected with the rear hook Claw socketing; the upper end of the vertical fork is socketed with the middle pipe joint, and the lower end is socketed with the rear hook; the socketing position is fixed by adhesive bonding, and the middle pipe and the middle tube, a flat fork and a vertical fork, and an integrated type head tube joint,
  • a frame of an integrated bicycle, an electric vehicle, and an electric bicycle including an upper tube, a lower tube, a middle tube, a flat fork and a vertical fork.
  • One end of the lower tube is socketed with the head pipe joint, and the other end is socketed with the bottom bracket joint;
  • the middle tube passes through the middle tube joint and the upper tube joint, and the lower end is socketed with the bottom bracket joint;
  • the five-way joint is socketed, and the other end is socketed with the rear hook;
  • the upper end of the vertical fork is socketed with the middle pipe joint, and the lower end is socketed with the rear claw;
  • the socket position is fixed by adhesive bonding, and the The joints between the middle pipe and the middle pipe and the joint between the middle pipe and the upper pipe are bonded and fixed by adhesive.
  • the socketing position is fixed by screws. Further strengthen the socket position to prevent the failure of the adhesive and the problem of falling off.
  • the one-piece head pipe joint, the one-piece bottom bracket joint, the one-piece middle pipe joint, the one-piece top pipe joint and the one-piece rear dropout are alloy parts cast into an integral structure.
  • the one-piece cast structure further ensures the strength of the frame. Make the frame meet the international standard, even far exceed the international standard.
  • the alloy piece is aluminum alloy.
  • the aluminum alloy material is light and light, and the one-piece aluminum alloy joint also meets the international standard for strength.
  • the middle pipe and the middle pipe joint or between the middle pipe and the upper pipe joint are fixed by screws. Further strengthen the connection to prevent the failure of the adhesive and the problem of falling off.
  • the two-way in the horizontal direction of the five-way joint is used for installing pedals.
  • the present invention connects the frame pipe fittings into a whole by adopting the integral joint and the rear drop claw, and fixes each joint with adhesive glue.
  • alloy materials as the frame
  • the production efficiency is greatly improved, the cost is reduced and a large amount of energy is saved. In this way, there is no need to weld the frame, and the traditional method of high-temperature brazing of low-melting-point metals is abandoned.
  • This simple assembly method solves the current problems of difficult labor and high cost, and also prepares for the intelligent production of bicycles, electric vehicles, and electric mopeds.
  • the strength test of the bicycle adopting the vehicle frame of the present invention is complete for 70,000 vibration tests according to the international standard, and 210,000 or even 280,000 vibration tests for continuous vibration testing. The strength far exceeds the international standard.
  • Fig. 1 is the three-dimensional structure schematic diagram of the first kind of embodiment of the present invention
  • Figure 2 is an exploded view of Figure 1;
  • Fig. 3 is the three-dimensional structure schematic diagram of the second embodiment of the present invention.
  • FIG. 4 is an exploded view of FIG. 3 .
  • the integrated joint bicycle, electric vehicle, and electric bicycle frame of the present invention include an upper tube 1, a lower tube 2, a middle tube 3, a flat fork 4 and a vertical fork 5, and an integrated Type head pipe joint 6, integrated bottom bracket joint 7, integrated middle pipe joint 9 and integrated rear dropout 8; one end of the upper pipe 1 is socketed with the head pipe joint 6, and the other end is socketed with the middle pipe joint 9 One end of the lower tube 2 is socketed with the head tube joint 6, and the other end is socketed with the bottom bracket joint 7; the middle tube 3 passes through the middle tube joint 9, and the lower end is socketed with the bottom bracket joint 7; the flat fork 4 One end is socketed with the five-way joint 7, and the other end is socketed with the rear hook 8; the upper end of the vertical fork 5 is socketed with the middle pipe joint 9, and the lower end is socketed with the rear hook 8; the socketed position is passed through The adhesive is bonded and fixed, and the middle pipe 3 and the middle tube 3, a flat fork
  • the socketing position described above is fixed by screws to further strengthen the socketing position to prevent the failure of the adhesive and the problem of falling off. Between the middle pipe 3 and the middle pipe joint 9, the fixing is also strengthened by screws.
  • the above-mentioned one-piece head tube joint 6, one-piece bottom bracket joint 7, one-piece center pipe joint 9 and one-piece rear dropout 8 are cast into an integral structure by using aluminum alloy, zinc alloy or other alloys. Lightweight metal materials can be used. This style of frame is suitable for men's bikes.
  • the upper end of the middle pipe 3 passes through the middle pipe joint 9 for installing the seat cushion.
  • Two protruding cylinders are fixed on the rear hook 8 and respectively socketed and fixed with the flat fork 4 and the vertical fork 5 .
  • the two-way in the horizontal direction of the five-way joint 7 is to be used for installing pedals.
  • the number of vibrations of the bicycle adopting the vehicle frame of the invention is as high as 280,000 times, and the mechanical performance effect of the joint is good.
  • the present invention connects the frame pipe fittings into a whole by adopting the integral joint and the rear drop claw, and fixes each joint with adhesive glue.
  • alloy materials as the frame
  • the production efficiency is greatly improved, the cost is reduced and a large amount of energy is saved.
  • This simple assembly method solves the current problem of difficult labor and high cost, and also prepares for the intelligent production of bicycles in the future.
  • the strength test of the bicycle adopting the vehicle frame of the present invention is complete for 70,000 vibration tests according to the international standard, and 210,000 or even 280,000 vibration tests are in good condition, and the strength far exceeds the international standard.
  • the integrated joint bicycle, electric vehicle, and electric bicycle frame of the present invention include an upper tube 1, a lower tube 2, a middle tube 3, a flat fork 4 and a vertical fork 5, and an integrated Type head pipe joint 6, integrated bottom bracket joint 7, integrated middle pipe joint 9, integrated upper pipe joint 10 and integrated rear drop claw 8; one end of the upper pipe 1 is socketed with the head pipe joint 6, and the other end It is socketed with the upper pipe joint 10; one end of the lower pipe 2 is socketed with the head pipe joint 6, and the other end is socketed with the bottom bracket joint 7; the middle pipe 3 passes through the middle pipe joint 9 and the upper pipe joint 10, and the lower end It is socketed with the bottom bracket 7; one end of the flat fork 4 is socketed with the bottom bracket 7, and the other end is socketed with the rear hook 8; the upper end of the vertical fork 5 is socketed with the middle pipe joint 9, and the lower end is connected with the rear hook
  • the claw 8 is socketed; the socketed position is fixed by
  • the socketed position is fixed by screws to further strengthen the socketed position to prevent the failure of the adhesive and the problem of falling off.
  • Between the middle pipe 3 and the middle pipe joint 9 and the middle pipe 3 and the upper pipe joint 10 are also strengthened and fixed by screws.
  • the above-mentioned one-piece head tube joint 6, one-piece bottom bracket joint 7, one-piece middle tube joint 9, one-piece top tube joint 10 and one-piece rear dropout 8 are cast into an integral structure by using aluminum alloy, zinc alloy or other alloys .
  • Others are the same as Embodiment 1, and the vehicle frame of this embodiment is suitable for women's bicycles.
  • the present invention adopts the one-piece joint and the pipe fitting to be socketed and assembled in this way, and is also applicable to the vehicle frames of electric vehicles, electric bicycles and the like.

Abstract

一种一体式接头自行车、电动车、电动助力车车架，包括上管（1）、下管（2）、中管（3）、平叉（4）和立叉（5），还包括一体式头管接头（6）、一体式五通接头（7）、一体式中管接头（9）和一体式后勾爪（8）；上管（1）一端与头管接头（6）套接，另一端与中管接头（9）套接；下管（2）一端与头管接头（6）套接，另一端与五通接头（7）套接；中管（3）穿过中管接头（9），下端与五通接头（7）套接；平叉（4）一端与五通接头（7）套接，另一端与后勾爪（8）套接；立叉（5）上端与中管接头（9）套接，下端与后勾爪（8）套接；套接位置通过粘接剂粘接固定，中管（3）与中管接头（9）之间通过粘接剂粘接固定，或在中管（3）上增加套接的上管接头（10）。该车架无需焊接，强度高，装配简单方便，生产效率高，成本低；同时为以后的自动化生产做好铺垫。

Description

一体式接头自行车、电动车、电动助力车车架 技术领域
本发明涉及自行车、电动车、电动助力车等制造的技术领域，尤其是一种一体式接头自行车、电动车、电动助力车车架。
 背景技术
目前，现有的自行车、电动车、电动助力车车架材质主要是钢、碳纤维、铝合金等。车架构件需要通过焊接固定成一个整体,这种焊接的车架还需要进行热处理。目前焊接工人工高，而且焊工也越来越缺乏，而且人工焊接效率低，因此这种焊接制造的车架成本较高，而且产能低。在这种情况下自行车制造行业是非常迫切需要改变这种生产方式，迫使在自行车的结构上突破。如何实现机械化生产也是自行车、电动车、电动助力车等行业所面临的突破。
焊接的自行车、电动车、电动助力车车架对焊缝的要求也比较高，要求焊缝均匀，要不影响自行车的美观，而且焊缝要保证足够的强度，要不影响自行车整车的强度。
“五通接头”是自行车、电动车、电动助力车等行业对车架该部件的通常叫法，而不局限于五个连接头。
 技术问题
本发明的目的是提供一种无需焊接，强度高，装配简单方便，生产效率高，低成本的一体式接头自行车、电动车、电动助力车车架。
为实现上述的目的，本发明的一种技术方案为：一种一体式接头自行车、电动车、电动助力车车架包括上管、下管、中管、平叉和立叉，其中，还包括一体式头管接头、一体式五通接头、一体式中管接头和一体式后勾爪；所述上管一端与头管接头套接，另一端与中管接头套接；所述下管一端与头管接头套接，另一端与五通接头套接；所述中管穿过中管接头，下端与五通接头套接；所述平叉一端与五通接头套接，另一端与后勾爪套接；所述立叉上端与中管接头套接，下端与后勾爪套接；所述的套接位置通过粘接剂粘接固定，所述中管与中管接头之间通过粘接剂粘接固定。
为实现上述的目的，本发明的另一种技术方案为：一种一体式自行车、电动车、电动助力车车架，包括上管、下管、中管、平叉和立叉，其中，还包括一体式头管接头、一体式五通接头、一体式中管接头、一体式上管接头和一体式后勾爪；所述上管一端与头管接头套接，另一端与上管接头套接；所述下管一端与头管接头套接，另一端与五通接头套接；所述中管穿过中管接头和上管接头，下端与五通接头套接；所述平叉一端与五通接头套接，另一端与后勾爪套接；所述立叉上端与中管接头套接，下端与后勾爪套接；所述的套接位置通过粘接剂粘接固定，所述中管与中管接头之间以及中管与上管接头通过粘接剂粘接固定。
优先的是，所述的套接位置通过螺钉固定。进一步加固套接位置，防止粘接剂失效出现脱落的问题。
优选的是，所述一体式头管接头、一体式五通接头、一体式中管接头、一体式上管接头和一体式后勾爪是铸造成一体结构的合金件。一体铸造而成的结构进一步保证了车架的强度。使车架达到国际化标准，甚至远远超过国际标准。
优选的是，所述合金件是铝合金。铝合金的材质又轻便，同时一体式的铝合金接头也达到国际保准的强度。
优选的是，所述中管与中管接头之间或中管与上管接头之间通过螺钉固定。进一步加固连接，防止粘接剂失效出现脱落的问题。
优选的是，所述五通接头水平方向的两通是用于安装脚踏。
 有益效果
本发明通过采用一体式接头和后勾爪把车架管件连接成为一个整体，并且用粘接剂粘胶固定每一个连接处，这种一体式的接头结构及套接粘接固定的连接方式保证了可以采用合金材料的作为车架，在保证强度的前提下，极大地提高了生产效率，降低成本以及节约大量能源。这样也不需要焊接车架，弃用了传统的低熔点金属高温钎焊的方式。这种简单装配方式解决了当前用工难、成本高的问题，也为后面自行车、电动车、电动助力车等智能化生产做准备。采用本发明车架的自行车进行强度测试，按国际保准做振动测试7万次完好，继续振动测试21万次，甚至28万次都完好，强度远远超过国际标准。
 附图说明
图1是本发明的第一种实施例的立体结构示意图；
图2是图1的爆炸图；
图3是本发明的第二种实施例的立体结构示意图；
图4是图3的爆炸图。
图中：1上管， 2下管，3中管，4平叉，5立叉，6头管接头，7五通接头，8后勾爪，9中管接头，10上管接头。
 本发明的最佳实施方式
参照附图并举实施例对本发明进一步详细说明。
实施例一
如图1-2所示，本发明的一体式接头自行车、电动车、电动助力车车架，包括上管1、下管2、中管3、平叉4和立叉5，其中，还包括一体式头管接头6、一体式五通接头7、一体式中管接头9和一体式后勾爪8；所述上管1一端与头管接头6套接，另一端与中管接头9套接；所述下管2一端与头管接头6套接，另一端与五通接头7套接；所述中管3穿过中管接头9，下端与五通接头7套接；所述平叉4一端与五通接头7套接，另一端与后勾爪8套接；所述立叉5上端与中管接头9套接，下端与后勾爪8套接；所述的套接位置通过粘接剂粘接固定，所述中管3与中管接头9之间通过粘接剂粘接固定。述的套接位置通过螺钉固定，进一步加固套接位置，防止粘接剂失效出现脱落的问题。中管3与中管接头9之间也通过螺丝加强固定。上述一体式头管接头6、一体式五通接头7、一体式中管接头9和一体式后勾爪8是采用铝合金、锌合金或其他合金铸造成一体结构，在保证了强度的情况下可以实用轻质金属材料。这种款式的车架适合男式的自行车。
所述中管3上端穿出中管接头9用于安装座垫。
所述后勾爪8上固定两个凸出圆柱体分别与平叉4、立叉5套接固定。
所述五通接头7水平方向的两通是用于安装脚踏。
采用本发明车架的自行车按照日本抗疲劳强度测试，振动次数高达28万次，连接处力学性能效果好。
本发明通过采用一体式接头和后勾爪把车架管件连接成为一个整体，并且用粘接剂粘胶固定每一个连接处，这种一体式的接头结构及套接粘接固定的连接方式保证了可以采用合金材料的作为车架，在保证强度的前提下，极大地提高了生产效率，降低成本以及节约大量能源。这样也不需要焊接自行车架，弃用了传统的低熔点金属高温钎焊的方式。这种简单装配方式解决了当前用工难、成本高的问题，也为后面自行车智能化生产做准备。采用本发明车架的自行车进行强度测试，按国际保准做振动测试7万次完好，继续振动测试21万，甚至28万次都完好，强度远远超过国际标准。
实施例二
如图3-4所示，本发明的一体式接头自行车、电动车、电动助力车车架，包括上管1、下管2、中管3、平叉4和立叉5，其中，还包括一体式头管接头6、一体式五通接头7、一体式中管接头9、一体式上管接头10和一体式后勾爪8；所述上管1一端与头管接头6套接，另一端与上管接头10套接；所述下管2一端与头管接头6套接，另一端与五通接头7套接；所述中管3穿过中管接头9和上管接头10，下端与五通接头7套接；所述平叉4一端与五通接头7套接，另一端与后勾爪8套接；所述立叉5上端与中管接头9套接，下端与后勾爪8套接；所述的套接位置通过粘接剂粘接固定，所述中管3与中管接头9之间以及中管3与上管接头10通过粘接剂粘接固定。所述的套接位置通过螺钉固定，进一步加固套接位置，防止粘接剂失效出现脱落的问题。中管3与中管接头9之间以及中管3与上管接头10也通过螺丝加强固定。上述一体式头管接头6、一体式五通接头7、一体式中管接头9、一体式上管接头10和一体式后勾爪8是采用铝合金、锌合金或其他合金铸造成一体结构的。其它同实施例一，本实施例的车架适合女装自行车使用。
本发明这样采用一体式接头和管件套接配合组装，同样适用于电动车、电动助力车等车的车架。
以上是本发明的优选实施方式而已，当然不能以此来限定本发明之权利范围，应当指出，对于本技术领域的技术人员来说，不付出创造性劳动对本发明技术方案的修改或者等同替换，都不脱离本发明技术方案的保护范围。

Claims (10)

  1. 一种一体式接头自行车、电动车、电动助力车车架，包括上管（1）、下管（2）、中管（3）、平叉（4）和立叉（5），其特征在于，还包括一体式头管接头（6）、一体式五通接头（7）、一体式中管接头（9）和一体式后勾爪（8）；所述上管（1）一端与头管接头（6）套接，另一端与中管接头（9）套接；所述下管（2）一端与头管接头（6）套接，另一端与五通接头（7）套接；所述中管（3）穿过中管接头（9），下端与五通接头（7）套接；所述平叉（4）一端与五通接头（7）套接，另一端与后勾爪（8）套接；所述立叉（5）上端与中管接头（9）套接，下端与后勾爪（8）套接；所述的套接位置通过粘接剂粘接固定，所述中管（3）与中管接头（9）之间通过粘接剂粘接固定。
  2. 根据权利要求1所述的一种一体式接头自行车、电动车、电动助力车车架，其特征在于，所述的套接位置通过螺钉固定。
  3. 根据权利要求1所述的一种一体式接头自行车、电动车、电动助力车车架，其特征在于，一体式头管接头（6）、一体式五通接头（7）、一体式中管接头（9）和一体式后勾爪（8）是铸造成一体结构的合金件。
  4. 根据权利要求3所述的一种一体式接头自行车、电动车、电动助力车车架，其特征在于，所述合金件是铝合金。
  5. 根据权利要求1所述的一种一体式接头自行车、电动车、电动助力车车架，其特征在于，所述中管（3）与中管接头（9）之间通过螺钉固定。
  6. 一种一体式接头自行车、电动车、电动助力车车架，包括上管（1）、下管（2）、中管（3）、平叉（4）和立叉（5），其特征在于，还包括一体式头管接头（6）、一体式五通接头（7）、一体式中管接头（9）、一体式上管接头（10）和一体式后勾爪（8）；所述上管（1）一端与头管接头（6）套接，另一端与上管接头（10）套接；所述下管（2）一端与头管接头（6）套接，另一端与五通接头（7）套接；所述中管（3）穿过中管接头（9）和上管接头（10），下端与五通接头（7）套接；所述平叉（4）一端与五通接头（7）套接，另一端与后勾爪（8）套接；所述立叉（5）上端与中管接头（9）套接，下端与后勾爪（8）套接；所述的套接位置通过粘接剂粘接固定，所述中管（3）与中管接头（9）之间以及中管（3）与上管接头（10）之间通过粘接剂粘接固定。
  7. 根据权利要求6所述一种一体式接头自行车、电动车、电动助力车车架，其特征在于，所述的套接位置通过螺钉固定。
  8. 根据权利要求6所述一种一体式接头自行车、电动车、电动助力车车架，其特征在于，所述一体式头管接头（6）、一体式五通接头（7）、一体式中管接头（9）、一体式上管接头（10）和一体式后勾爪（8）是铸造成一体结构的合金件。
  9. 根据权利要求8所述一种一体式接头自行车、电动车、电动助力车车架，其特征在于，所述合金件是铝合金。
  10. 根据权利要求6所述的一种一体式接头自行车、电动车、电动助力车车架，其特征在于，所述中管（3）与中管接头（9）之间以及中管（3）与上管接头（10）之间通过螺钉固定。
PCT/CN2022/094930 2021-11-19 2022-05-25 一体式接头自行车、电动车、电动助力车车架 WO2023087655A1 (zh)

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