CN2931223Y - 改进型塑胶双轮脚轮架 - Google Patents

改进型塑胶双轮脚轮架 Download PDF

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CN2931223Y
CN2931223Y CN 200620087055 CN200620087055U CN2931223Y CN 2931223 Y CN2931223 Y CN 2931223Y CN 200620087055 CN200620087055 CN 200620087055 CN 200620087055 U CN200620087055 U CN 200620087055U CN 2931223 Y CN2931223 Y CN 2931223Y
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揭业冰
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Fuzhou Secure Optoelectronic Technology Co., Ltd.
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揭业冰
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Abstract

本实用新型涉及一种改进型塑胶双轮脚轮架，包括座板，其特征在于：所述座板底侧设有圆形齿盘，所述圆形齿盘下方设有可相对座板转动的脚轮支架，所述脚轮支架两侧铰接有两个脚轮，两脚轮内侧分别固定联结有环型齿轮，脚轮支架中部型腔内设有升降滑块，所述升降滑块中部经竖向椭圆形通孔套在脚轮中轴，其上端具有可在脚轮支架竖向滑道内的升降并与座板底侧的圆形齿盘接触使其制动的凸齿，升降滑块下部两侧对称地设有一对可与两个脚轮环形齿轮下侧部相啮合以使两个脚轮制动的弧形齿条，所述升降滑块上联结有中控牵引线，所述中控牵引线从所述座板中部通孔向上穿出，所述升降滑块与脚轮支架之间设有作用于升降滑块的复位弹簧。该装置方便用户使用。

Description

改进型塑胶双轮脚轮架
技术领域
本实用新型涉及一种改进型塑胶双轮脚轮架。
背景技术
现有的手推货车脚轮只能以脚踩刹制动，这样显然不利于推车用户的使用。
发明内容
本实用新型的目的是要提供一种改进型塑胶双轮脚轮架，采用该脚轮架制造的手推货车，有利于用户在推动手推货车时的制动控制。
本使用新型是这样构成的：包括用以与车体底部固定联结的座板，其特征在于：所述座板底侧设有圆形齿盘，所述圆形齿盘下方设有可相对座板竖向轴心线转动的脚轮支架，所述脚轮支架两侧铰接有两个脚轮，两脚轮内侧分别固定联结有环型齿轮，脚轮支架中部型腔内设有升降滑块，所述升降滑块中部经竖向椭圆形通孔套在脚轮中轴，其上端具有可在脚轮支架竖向滑道内的升降并与座板底侧的圆形齿盘接触使其制动的凸齿，升降滑块下部两侧对称地设有一对可与两个脚轮环形齿轮下侧部相啮合以使两个脚轮制动的弧形齿条，所述升降滑块上联结有中控牵引线，所述中控牵引线从所述座板中部通孔向上穿出，所述升降滑块与脚轮支架之间设有作用于升降滑块的复位弹簧。
本实用新型由于一方面可通过向上提升中控牵引线使升降滑块下部两侧弧形齿条与脚轮内侧的环形齿轮相啮合，从而卡住脚轮防止其滚动；另一方面，升降滑块上端的凸齿向上顶住座板底侧的圆形齿盘，使脚轮及其支架无法相对座板转动。因此，该装置安装在手推车后，可实现手推货车的有效控制定位。
附图说明
图1是本实用新型的脚轮架轴测示意图1；
图2是本实用新型的脚轮架轴测示意图2；
图3是脚轮的内侧视图；
图4是脚轮的外侧视图。
具体实施方式
本实用新型包括用以与车体底部固定联结的座板1，其特征在于：所述座板底侧设有圆形齿盘2，所述圆形齿盘下方设有可相对座板竖向轴心线转动的脚轮支架3，所述脚轮支架两侧铰接有两个脚轮4，两脚轮内侧分别固定联结有环型齿轮5，脚轮支架中部型腔内设有升降滑块6，所述升降滑块中部经竖向椭圆形通孔7套在脚轮中轴，其上端具有可在脚轮支架竖向滑道内的升降并与座板底侧的圆形齿盘接触使其制动的凸齿8，升降滑块下部两侧对称地设有一对可与两个脚轮环形齿轮下侧部相啮合以使两个脚轮制动的弧形齿条9，所述升降滑块上联结有中控牵引线10，所述中控牵引线从所述座板中部通孔向上穿出，所述升降滑块与脚轮支架之间设有作用于升降滑块的复位弹簧11，脚轮中部轴承孔上设有滚动轴承12，两脚轮通过作为中轴的螺栓13对称联接于脚轮支架两侧，脚轮外侧周部设有插槽14，脚轮的装饰外罩15经其内侧且插置于插槽内的卡扣16与脚轮相扣接。
本实用新型的工作过程是：当手刹制动时，向上提升中控牵引线10，中控牵引线把升降滑块6向上提升，升降滑块下部两侧弧形齿条9与两脚轮内侧的环型齿轮5对卡以防止脚轮4滚动，升降滑块上端的凸齿8与座板底侧的圆形齿盘2接触，使脚轮及其脚轮支架3无法相对座板转动。
本实用新型使用方便，结构简单，定位可靠，整体采用塑胶构件，注塑成型简单，可大规模生产，故成本低廉，有效克服了传统脚轮制动的缺陷，更有利于用户接受。

Claims (3)

1、一种改进型塑胶双轮脚轮架，包括用以与车体底部固定联结的座板，其特征在于：所述座板底侧设有圆形齿盘，所述圆形齿盘下方设有可相对座板竖向轴心线转动的脚轮支架，所述脚轮支架两侧铰接有两个脚轮，两脚轮内侧分别固定联结有环型齿轮，脚轮支架中部型腔内设有升降滑块，所述升降滑块中部经竖向椭圆形通孔套在脚轮中轴，其上端具有可在脚轮支架竖向滑道内的升降并与座板底侧的圆形齿盘接触使其制动的凸齿，升降滑块下部两侧对称地设有一对可与两个脚轮环形齿轮下侧部相啮合以使两个脚轮制动的弧形齿条，所述升降滑块上联结有中控牵引线，所述中控牵引线从所述座板中部通孔向上穿出，所述升降滑块与脚轮支架之间设有作用于升降滑块的复位弹簧。
2、根据权利要求1所述的改进型塑胶双轮脚轮架，其特征在于：脚轮中部轴承孔上设有滚动轴承，两脚轮通过作为中轴的螺栓对称联接于脚轮支架两侧。
3、根据权利要求2所述的改进型塑胶双轮脚轮架，其特征在于：脚轮外侧周部设有插槽，脚轮的装饰外罩经其内侧且插置于插槽内的卡扣与脚轮相扣接。
CN 200620087055 2006-07-17 2006-07-17 改进型塑胶双轮脚轮架 Expired - Lifetime CN2931223Y (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107839726A (zh) * 2017-07-07 2018-03-27 永春县奇艺农用机械研发中心 一种新型水利施工器械

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107839726A (zh) * 2017-07-07 2018-03-27 永春县奇艺农用机械研发中心 一种新型水利施工器械

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Assignee: Fuzhou Secure Optoelectronic Technology Co., Ltd.

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