CN2269360Y - 倾斜相连杆件的折叠接头 - Google Patents

倾斜相连杆件的折叠接头 Download PDF

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CN2269360Y
CN2269360Y CN 96237462 CN96237462U CN2269360Y CN 2269360 Y CN2269360 Y CN 2269360Y CN 96237462 CN96237462 CN 96237462 CN 96237462 U CN96237462 U CN 96237462U CN 2269360 Y CN2269360 Y CN 2269360Y
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folding
locking pin
sections
axis
joint
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韩德玮
张关礼
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Han Dewei
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LIU NONGYING
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Abstract

倾斜相连杆件的折叠接头,特别是折叠自行车斜梁的折叠锁紧装置,两段相连的杆件铰接且相连端为呈阶梯状的连接界面,该界面中段为水平面,锁紧销的轴线与水平面垂直,铰链轴与锁紧销平行。自行车斜梁上采用所述折叠接头可保持前后轮折叠后并列同心。

Description

倾斜相连杆件的折叠接头
本实用新型涉及两段相连杆件的连接锁紧装置,特别是折叠自行车斜梁的折叠锁紧装置。
折叠自行车的横梁中部的折叠接头,通常是两段相连杆件的连接面为台阶状吻合面(见附图1),两段杆件的一侧铰接,可绕铰点弯折180°,当两段杆件同轴线时,拨动一个带凸轮的手柄拉紧横贯两杆的锁紧销,将吻合面压紧使两段杆件相连并有足够的刚性。对于折叠自行车,其折叠后最好是前后轮并列且两轮的轴同心(等高)。前述的横梁的折叠接头,其锁紧销与杆件的轴线相互垂直,可保证折叠时两段杆件的轴线在同一平面运动。但折叠自行车的斜梁上若采用前述的接头,将导致折叠后的自行车前后轮不同轴,即两车轮一高一低有明显的高度差。所以很多折叠自行车将斜梁的弯折点设计在斜梁与中轴套的相接处,即斜梁本身不能弯折。由于斜梁不可弯折,将限制整车设计时中轴的相对位置不可调整,为折叠自行车的整体设计带来诸多障碍。
本实用新型之目的是给出一种可保证折叠自行车折叠后,两车轮并列且两车轮的轴线同心的倾斜相连杆件的折叠接头。
所述的倾斜相连杆件的折叠接头,有倾斜状态的两段相连的杆件,两杆件的相连端为阶梯状连接界面且一侧铰接,带凸轮的手柄与贯穿两段杆件的锁紧销相连,阶梯状连接界面的中段为水平面,锁紧销的轴线与水平面相垂直,即锁紧销的轴线与杆件的轴线相交呈非90°夹角。铰链轴与锁紧销轴线平行。
所述的折叠接头,其锁紧销的轴线与呈水平的中段连接界面垂直,且铰链轴与锁紧销平行,当自行车折叠过程中可保持两段杆件连接界面中段的水平面一直保持处于水平状态,即折叠后前后两车轮的相对高度不变、两车轮并列且轴线同心。由于所述折叠接头可保持两轮并列同心,所以该接头可设置在斜梁上的任意位置,为折叠自行车的整体设计带来诸多方便。
图1常规用于横梁的折叠接头;
图2所述的折叠接头;
图3是图2的俯视图;
图4是图2的折叠状态图。
两段倾斜杆件1端部为阶梯状相连界面,且相连界面的中段为水平面4,前端带有凸轮的手柄2与贯穿两杆件1的锁紧销3相连,锁紧销3的轴线与水平面4相垂直,两杆件1的一侧铰接,铰链轴5与锁紧销3平行。

Claims (1)

1、倾斜相连杆件的折叠接头,有倾斜状态的两段相连的杆件(1),两个杆件的相连端为阶梯状连接界面且一侧铰接,带凸轮的手柄(2)与贯穿两段杆件(1)的锁紧销(3)相连,其特征在于,阶梯状连接界面的中段为水平面(4),锁紧销(3)的轴线与水平面(4)相垂直,铰链轴(5)与锁紧销(3)平行。
CN 96237462 1996-09-13 1996-09-13 倾斜相连杆件的折叠接头 Expired - Lifetime CN2269360Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 96237462 CN2269360Y (zh) 1996-09-13 1996-09-13 倾斜相连杆件的折叠接头

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 96237462 CN2269360Y (zh) 1996-09-13 1996-09-13 倾斜相连杆件的折叠接头

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CN2269360Y true CN2269360Y (zh) 1997-12-03

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CN 96237462 Expired - Lifetime CN2269360Y (zh) 1996-09-13 1996-09-13 倾斜相连杆件的折叠接头

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CN (1) CN2269360Y (zh)

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C14 Grant of patent or utility model
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C56 Change in the name or address of the patentee

Owner name: HAN DEWEI

Free format text: FORMER NAME OR ADDRESS: LIU NONGYING

CP03 Change of name, title or address

Address after: 510080, No. two, No. 6 West Temple Street, Dongshan District, Guangzhou

Patentee after: Han Dewei

Address before: 12 building 458, 510076 North Guangzhou Avenue, Guangdong, Guangzhou, 203

Patentee before: Liu Nongying

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CX01 Expiry of patent term