A universal braking double-brake trundle comprises a main support, an auxiliary support, a shaft body, two wheel bodies, a rotating sleeve piece, a wheel braking piece, a vertical shaft braking piece and a pedal driving piece and further comprises a transmission piece and a pressure spring, and the rotating sleeve piece is arranged in a vertical shaft seat of the main support; the transmission part is arranged in the upper semicircular cavity part and is in sliding fit with the guide groove, the shaft brake plate extends into the vertical shaft seat and corresponds to the shaft brake sleeve, and the brake plate extends out of the brake plate hole and corresponds to a brake tooth groove in a rim of the wheel body; the lower end of the pressure spring is embedded into the spring seat cavity, and the upper end is matched with the top plate of the upper semicircular cavity; the driving plate part is embedded with the driving cavity; the auxiliary bracket is buckled with the main bracket; the plate body part of the pedal driving piece is in sliding fit with the circumferential guide groove; the arc-shaped guide plate rotates around the outer circumferential surfaces of the main bracket and the auxiliary bracket; the wheel braking piece is arranged at top of the main bracket; firm braking is realized; and the reset action is fast by arranging the pressure spring.
一种万向制动双刹脚轮,包括主支架、副支架、轴体、二个轮体、转动套件、轮制动件、立轴制动件和脚踏驱动件,还包括传动件和压力弹簧,所述转动套件设在主支架的立轴座内;传动件设在上半圆形腔体部内且与导向槽滑动配合,轴制动板伸入立轴座内与轴制动套相对应,制动板从制动板孔中伸出并与轮体的轮辋上的制动齿槽相对应;压力弹簧的下端与弹簧座腔嵌合、上端与上半圆形腔体的顶板配合;轴座部设在活动腔内且与轴体连接,驱动板部与驱动腔嵌合,副支架与主支架扣合,脚踏驱动件的板体部与周向导向槽滑动配合,圆弧形导向板绕主支架和副支架的外周向面转动,轮制动件于主支架的顶部,制动牢固,压力弹簧的设置复位动作快。
Universal braking double-brake trundle
一种万向制动双刹脚轮
2021-09-07
Patent
Electronic Resource
Chinese
IPC: | B60B VEHICLE WHEELS , Räder für Fahrzeuge |
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