Speed limiting device of household electric bicycle
A technology for household electric vehicles and speed-limiting devices, applied in control devices, non-electric variable control, vehicle accessories, etc., can solve problems such as easy damage, accident-prone, electric speed-limiting power consumption, etc., and achieve the effect of simple structure
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Embodiment 1
[0013] Embodiment 1: as figure 1 shown. A speed limiting device for a household electric vehicle, comprising a fixed outer drum 1, four identical springs 3, 5, 7, and 9, four identical steel balls 2, 4, 6, and 8 and the rotating part of the central rotating shaft 10; it is characterized in that: on the cross-shaped turret around the central rotating shaft 10 in the fixed outer drum 1, four identical springs 3, 5, 7, and 7 are fixed respectively. 9; Four identical steel balls 2, 4, 6, and 8 are respectively fixed on the four identical springs 3, 5, 7, and 9.
[0014] The speed limiting device for household electric vehicles is characterized in that the diameters of the four identical steel balls 2, 4, 6, and 8 are greater than the lengths of the four identical springs 3, 5, 7, and 9.
[0015] The speed limiting device for household electric vehicles is characterized in that the parts where the four identical steel balls 2, 4, 6 and 8 rub against the outer drum 1 are made of s...
Embodiment 2
[0017] Embodiment 2: as figure 1 shown. A speed limiting device for a household electric vehicle, comprising a fixed outer drum 1, four identical springs 3, 5, 7, and 9, four identical steel balls 2, 4, 6, and 8 and the rotating part of the central rotating shaft 10; it is characterized in that: on the cross-shaped turret around the central rotating shaft 10 in the fixed outer drum 1, four identical springs 3, 5, 7, and 7 are fixed respectively. 9; Four identical steel balls 2, 4, 6, and 8 are respectively fixed on the four identical springs 3, 5, 7, and 9.
[0018] The speed limiting device for household electric vehicles is characterized in that the diameters of the four identical steel balls 2, 4, 6, and 8 are greater than the lengths of the four identical springs 3, 5, 7, and 9.
[0019] The speed limiting device for household electric vehicles is characterized in that the parts where the four identical steel balls 2, 4, 6 and 8 rub against the outer drum 1 are made of ...
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