Rear-slip prevention device of bassinet

Abstract

The invention discloses a rear-slip prevention device of a bassinet, comprising a gear box device connected with wheels, and a circuit board connected with the gear box device and used for controlling power-on condition of the gear box device. The gear box device is provided with a gear box lower shell and a gear box upper shell respectively; the gear box lower shell is provided with a relay, a motor and an axle hole through which a magnetic shaft on the relay passes; the relay and the motor are respectively in electric connection with the circuit board used for controlling on or off of the relay and motor; the gear box upper shell is provided with an upper shell cavity; the upper shell cavity is internally provided with a gear set; the gear set is provided with a plurality of through holes; each through hole respectively corresponds with the axle hole; when the power is off, the magnetic shaft is enabled to pass through the axle hole and is inserted into the through hole corresponding to the axle hole, of a first gear of the gear set, so as to realize the effect of preventing the first gear from rotating; when the power is on, the magnetic shaft is sucked from the first gear to return into the relay to make the first gear be at a free rotation state so as to achieve the purpose of braking an electric simulation automobile.

Description

technical field [0001] The invention relates to a baby carriage used by children, in particular to a baby carriage anti-rollback device, which belongs to the field of wave box braking applied to the baby carriage. [0002] Background technique [0003] At present, there are many types of children's cars for children to play in the market, such as simulated car models or pedal bicycles, etc., and more electric simulated car toys are used. Motors are used to drive baby cars with mechanical equipment, so that when children sit on them , Swing the steering wheel left and right, you can make the front wheels of the car toy swing left and right, and through the electrification of the motor, the car toy can move up and down, like a real car walking on the road, giving children a real driving pleasure. [0004] Although electric simulated car toys bring joy to children, there are still many shortcomings and dangers. First, because the car toy has four movable wheels, children will ...

AI Technical Summary

Problems solved by technology

[0004] Although electric simulated car toys bring joy to children, there are still many shortcomings and dangers. First, because the car toy has four movable wheels, children will not be fixed when sitting on it. For children who are two or three years old and just know how to walk, they like to stand or walk with their hands on the edge of the chair, but when a car toy appears, if the child walks by holding on to the edge of the car toy, the four wheels of the car toy will not change. It will be fixed, and it will roll when you hold on to its edge, and there is a danger of falling. Therefore, adults need to maintain a high degree of attention and protection from the side at all times.

[0005] Furthermore, when the electric simulated car toy is driven by a child to a half slope or slope, if there is a power failure or the drive motor does not rotate, the car will slip behind with the child, and the consequences are very dangerous. Therefore, it is an electric simulated car toy. The installation of braking devices in toys is a problem that most manufacturers need to solve

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