CN108839744A - 一种自行车结构 - Google Patents
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Abstract
本发明公开了一种自行车结构,包括车架和前轮,所述车架包括中空轴、固定于中空轴后端的后轴架以及固定于中空轴前端的中轴架,所述中空轴沿自行车的长度方向设置,所述后轴架上固定有后轮轴,所述后轮轴上安装有后花鼓,所述中空轴上转动套设有前轴套,所述前轴套的后端设有滑条,所述前轴套的后端通过滑条滑动安装有后轴套,所述中空轴内具有中空内腔,所述中空内腔安装有第一电机和电池,所述电池供电于所述第一电机,所述第一电机的输出端连接螺杆。本发明的自行车通过创新的结构设计,去除了传统自行车传动结构中必备的链条,结构简化,且变速调节结构设置于车架的中空管件中,结构上得到进一步的精简。
Description
技术领域
本发明涉及机械技术领域,特别是指一种自行车结构。
背景技术
现有技术的自行车需要链条传动,结构不精简,需要改进。现有技术的自行车车轮没有减震结构,需要额外在车架上设置减震装置,结构复杂,需要改进。
发明内容
本发明所要解决的技术问题是提供一种自行车结构,以解决现有技术中自行车需要链条传动,结构不精简,以及自行车车轮没有减震结构,需要额外在车架上设置减震装置,结构复杂的技术问题。
为解决上述技术问题,本发明的实施例提供一种自行车结构,包括车架和前轮,所述车架包括中空轴、固定于中空轴后端的后轴架以及固定于中空轴前端的中轴架,所述中空轴沿自行车的长度方向设置,所述后轴架上固定有后轮轴,所述后轮轴上安装有后花鼓,所述中空轴上转动套设有前轴套,所述前轴套的后端设有滑条,所述前轴套的后端通过滑条滑动安装有后轴套,所述中空轴内具有中空内腔,所述中空内腔安装有第一电机和电池,所述电池供电于所述第一电机,所述第一电机的输出端连接螺杆,所述螺杆上安装有螺帽,所述螺帽的径向上设有导柱,所述中空轴上设有条形槽,所述后轴套上设有环形槽,所述条形槽的位置与后轴套相对应,所述导柱穿过所述条形槽滑动设置于所述环形槽内,所述前轴套的前端面和后轴套的后端面上沿圆周方向都均布多个轴承安装架,每个轴承安装架上安装有一陶瓷轴承,所述陶瓷轴承的转动轴向与中空轴的轴向相平行,所述中轴架上安装有中轴,所述中轴上安装有前齿盘,所述前齿盘的外缘垂直设置有一圈齿部,所述后花鼓上安装有后齿盘,所述后齿盘上垂直设置有多圈齿部,所述前齿盘上的齿部朝向前轴套上的相邻两个陶瓷轴承的外圈间隙,所述后齿盘上的齿部朝向后轴套上的相邻两个陶瓷轴承的外圈,所述前齿盘的齿部与前轴套的轴承安装架上的陶瓷轴承相配合运动,所述后齿盘的齿部与后轴套的轴承安装架上的陶瓷轴承相配合运动;
所述中轴架涂有防锈涂料,所述防锈涂料的原料按重量份包括:10份氯磺化聚乙烯树脂、20份水溶性环氧树脂、20份苯丙乳液,20份增强含氟树脂疏水材料、3份固化剂、10份填料、2份流平剂;
所述填料由三聚磷酸铝、磷酸锌、硫酸钡按重量比为5:5:5混合得到;
所述增强含氟树脂疏水材料的制备方法如下:
(1)、按摩尔份将2份钛酸正丁酯、10份无水乙醇、1份摩尔浓度为10mol/L的硝酸水溶液混合均匀得到溶液A;
(2)、按重量份将5份蒙脱土、10份无水乙醇混合均匀后投入30份溶液A中,搅拌后静置,干燥,煅烧得到改性蒙脱土,煅烧温度为500℃,煅烧时间为4h;
(3)、按重量份将10份甲基丙烯酸六氟丁酯、10份丙烯酸丁酯、10份甲基丙烯酸甲酯、2份改性蒙脱土、2份硅烷偶联剂KH792、2份过硫酸钾混合均匀后投入第一加工设备,向第一加工设备中充入CO2进行气体置换,然后将第一加工设备置于水浴中,继续充入CO2至第一加工设备中,至第一加工设备内部压力为10MPa,保持10h后保持后排出CO2得到物料B;
(4)、将物料B投入含二甲苯的第二加工设备中,升高第二加工设备温度至60℃,保温5min,冷却,取出得到物料C,接着先后用无水乙醇、去离子水清洗,烘干得到所述增强含氟树脂疏水材料。
所述前轮包括与前车轴转动相连的支撑架以及刀圈,所述支撑架呈等边三角形,所述前车轴位于三角形的中心处,所述支撑架的三个角点处与刀圈之间设有三个弹簧压杆,在未受力时三角形的角点与三角形中心的连线垂直弹簧压杆,所述弹簧压杆包括铰接于支撑架上的筒体和铰接于刀圈的杆体,所述筒体内底部安装有弹簧,所述弹簧的另一端设置于杆体上。
本发明的上述技术方案的有益效果如下:
本发明的自行车通过创新的结构设计,去除了传统自行车传动结构中必备的链条,结构简化,且变速调节结构设置于车架的中空管件中,结构上得到进一步的精简,具有实用性。本发明的自行车车轮具有减震结构,减震效果佳。
附图说明
图1为本发明的自行车的示意图。
图2为本发明的自行车的驱动结构的立体图。
图3为本发明的自行车的驱动结构的部分立体图一。
图4为本发明的自行车的驱动结构的***图一。
图5为本发明的自行车的驱动结构的***图二。
图6为本发明的自行车的驱动结构的***图三。
图7为本发明的自行车的后轴套的结构图。
图8为本发明的自行车的驱动结构的部分立体图二。
图9为本发明的前轮的立体图。
具体实施方式
为使本发明要解决的技术问题、技术方案和优点更加清楚,下面将结合附图及具体实施例进行详细描述。
为方便说明,图1中右侧方向为前、前端、前部、前进方向,左侧方向为后、后端、后部、后退方向。
如图1至图8所示,本发明实施例提供一种自行车结构,包括车架100和前轮40,所述车架100包括中空轴11、固定于中空轴11后端的后轴架12以及固定于中空轴11前端的中轴架13,所述中空轴11沿自行车的长度方向设置,所述后轴架12上固定有后轮轴14,所述后轮轴14上安装有后花鼓15,所述中空轴11上通过第一轴承23转动套设有前轴套16,所述前轴套16的后端设有滑条161,所述前轴套16的后端通过滑条161滑动安装有后轴套17,所述后轴套17上设有滑槽(未图示),所述滑条161与滑槽相配合,所述中空轴11内具有中空内腔,所述中空内腔安装有第一电机18和电池19,所述电池19供电于所述第一电机18,所述第一电机18的输出端连接螺杆20,所述螺杆20上安装有螺帽21,所述螺帽21的径向上设有导柱22,所述中空轴11上设有条形槽24,所述后轴套17上设有环形槽171,所述条形槽24的位置与后轴套17相对应,所述导柱22穿过所述条形槽24滑动设置于所述环形槽171内,所述条形槽24的宽度与导柱22的直径相适配,即条形槽24的宽度略大于导柱22的直径,以起到限位的作用,所述前轴套16的前端面和后轴套17的后端面上沿圆周方向都均布多个轴承安装架25,每个轴承安装架25上安装有一陶瓷轴承26,所述陶瓷轴承的转动轴向与中空轴的轴向相平行,所述中轴架13上安装有中轴27,所述中轴27上安装有前齿盘28,所述前齿盘28的外缘垂直设置有一圈齿部29,所述后花鼓15上安装有后齿盘30,所述后齿盘30上垂直设置有多圈齿部29,所述前齿盘28上的齿部29朝向前轴套16上的相邻两个陶瓷轴承26的外圈间隙,所述后齿盘30上的齿部29朝向后轴套17上的相邻两个陶瓷轴承26的外圈,所述前齿盘28的齿部29与前轴套16的轴承安装架上的陶瓷轴承26相配合运动,所述后齿盘30的齿部29与后轴套17的轴承安装架上的陶瓷轴承26相配合运动。工作原理如下:自行车上的脚踏板带动前齿盘带动前轴套转动,前轴套带动后轴套转动,后轴套带动后齿盘转动,后齿盘带动后轮转动,从而使自行车前进,当需要变速时,第一电机带动螺杆转动,螺杆带动螺帽转动,螺帽上导柱带动后轴套在前后方向上移动,从而使后轴套上的陶瓷齿轮与后齿盘上的不同圈径的齿部相配合传动,所述齿部上的凹弧处卡合陶瓷齿轮的外环面。
如图1和图9所示,所述前轮40包括与前车轴41转动相连的支撑架42以及刀圈43,所述刀圈43上安装有轮胎(未图示),所述支撑架42呈等边三角形,所述前车轴41位于三角形的中心处,所述支撑架42的三个角点处与刀圈43之间设有三个弹簧压杆,在未受力时三角形的角点与三角形中心的连线垂直弹簧压杆,所述弹簧压杆包括铰接于支撑架42上的筒体44和铰接于刀圈43的杆体45,所述筒体44内底部安装有弹簧(未图示),所述弹簧的另一端设置于杆体45上。当自行车从高处下落时,或者路面坑洼不平时,筒体内的弹簧被压缩,支撑架的中心也同时发生下沉,从而前车轴也向下移动,从而能缓解冲击力,起到减震的作用。
所述中轴架涂有防锈涂料,所述防锈涂料的原料按重量份包括:10份氯磺化聚乙烯树脂、20份水溶性环氧树脂、20份苯丙乳液,20份增强含氟树脂疏水材料、3份固化剂、10份填料、2份流平剂;
所述填料由三聚磷酸铝、磷酸锌、硫酸钡按重量比为5:5:5混合得到;
所述增强含氟树脂疏水材料的制备方法如下:
(1)、按摩尔份将2份钛酸正丁酯、10份无水乙醇、1份摩尔浓度为10mol/L的硝酸水溶液混合均匀得到溶液A;
(2)、按重量份将5份蒙脱土、10份无水乙醇混合均匀后投入30份溶液A中,搅拌后静置,干燥,煅烧得到改性蒙脱土,煅烧温度为500℃,煅烧时间为4h;
(3)、按重量份将10份甲基丙烯酸六氟丁酯、10份丙烯酸丁酯、10份甲基丙烯酸甲酯、2份改性蒙脱土、2份硅烷偶联剂KH792、2份过硫酸钾混合均匀后投入第一加工设备,向第一加工设备中充入CO2进行气体置换,然后将第一加工设备置于水浴中,继续充入CO2至第一加工设备中,至第一加工设备内部压力为10MPa,保持10h后保持后排出CO2得到物料B;
(4)、将物料B投入含二甲苯的第二加工设备中,升高第二加工设备温度至60℃,保温5min,冷却,取出得到物料C,接着先后用无水乙醇、去离子水清洗,烘干得到所述增强含氟树脂疏水材料。
以上所述是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明所述原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。
Claims (2)
1.一种自行车结构,包括车架和前轮,其特征在于,所述车架包括中空轴、固定于中空轴后端的后轴架以及固定于中空轴前端的中轴架,所述中空轴沿自行车的长度方向设置,所述后轴架上固定有后轮轴,所述后轮轴上安装有后花鼓,所述中空轴上转动套设有前轴套,所述前轴套的后端设有滑条,所述前轴套的后端通过滑条滑动安装有后轴套,所述中空轴内具有中空内腔,所述中空内腔安装有第一电机和电池,所述电池供电于所述第一电机,所述第一电机的输出端连接螺杆,所述螺杆上安装有螺帽,所述螺帽的径向上设有导柱,所述中空轴上设有条形槽,所述后轴套上设有环形槽,所述条形槽的位置与后轴套相对应,所述导柱穿过所述条形槽滑动设置于所述环形槽内,所述前轴套的前端面和后轴套的后端面上沿圆周方向都均布多个轴承安装架,每个轴承安装架上安装有一陶瓷轴承,所述陶瓷轴承的转动轴向与中空轴的轴向相平行,所述中轴架上安装有中轴,所述中轴上安装有前齿盘,所述前齿盘的外缘垂直设置有一圈齿部,所述后花鼓上安装有后齿盘,所述后齿盘上垂直设置有多圈齿部,所述前齿盘上的齿部朝向前轴套上的相邻两个陶瓷轴承的外圈间隙,所述后齿盘上的齿部朝向后轴套上的相邻两个陶瓷轴承的外圈,所述前齿盘的齿部与前轴套的轴承安装架上的陶瓷轴承相配合运动,所述后齿盘的齿部与后轴套的轴承安装架上的陶瓷轴承相配合运动;
所述中轴架涂有防锈涂料,所述防锈涂料的原料按重量份包括:10份氯磺化聚乙烯树脂、20份水溶性环氧树脂、20份苯丙乳液,20份增强含氟树脂疏水材料、3份固化剂、10份填料、2份流平剂;
所述填料由三聚磷酸铝、磷酸锌、硫酸钡按重量比为5:5:5混合得到;
所述增强含氟树脂疏水材料的制备方法如下:
(1)、按摩尔份将2份钛酸正丁酯、10份无水乙醇、1份摩尔浓度为10mol/L的硝酸水溶液混合均匀得到溶液A;
(2)、按重量份将5份蒙脱土、10份无水乙醇混合均匀后投入30份溶液A中,搅拌后静置,干燥,煅烧得到改性蒙脱土,煅烧温度为500℃,煅烧时间为4h;
(3)、按重量份将10份甲基丙烯酸六氟丁酯、10份丙烯酸丁酯、10份甲基丙烯酸甲酯、2份改性蒙脱土、2份硅烷偶联剂KH792、2份过硫酸钾混合均匀后投入第一加工设备,向第一加工设备中充入CO2进行气体置换,然后将第一加工设备置于水浴中,继续充入CO2至第一加工设备中,至第一加工设备内部压力为10MPa,保持10h后保持后排出CO2得到物料B;
(4)、将物料B投入含二甲苯的第二加工设备中,升高第二加工设备温度至60℃,保温5min,冷却,取出得到物料C,接着先后用无水乙醇、去离子水清洗,烘干得到所述增强含氟树脂疏水材料。
2.根据权利要求1所述的前轮,其特征在于,所述前轮包括与前车轴转动相连的支撑架以及刀圈,所述支撑架呈等边三角形,所述前车轴位于三角形的中心处,所述支撑架的三个角点处与刀圈之间设有三个弹簧压杆,在未受力时三角形的角点与三角形中心的连线垂直弹簧压杆,所述弹簧压杆包括铰接于支撑架上的筒体和铰接于刀圈的杆体,所述筒体内底部安装有弹簧,所述弹簧的另一端设置于杆体上。
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