Automatic brake mechanism of baby carriage

Abstract

The invention relates to an automatic brake mechanism of a baby carriage. The automatic brake mechanism comprises a handle rod, two first supporting rods and two second supporting rods, the first supporting rods and the second supporting rods are connected with the handle rod, and the handle rod comprises a handle rod body and two support rods connected with the two ends of the handle rod body; a front wheel is connected to the lower end of each first supporting rod, and a back wheel is connected to the lower end of each second supporting rod; two vertical rods are fixed to the handle rod body, a pin shaft is fixed to the upper end of each vertical rod, the two pin shafts both penetrate a soft rod, and pull ropes are connected to the two free ends of the soft rod, penetrate the support rods and extend into the second supporting rods; an annular plate is fixed to the inner axis face of each back wheel and comprises an annular plate body and a protruding block, a through hole is formed in each second supporting rod, and a sliding block is arranged in each second supporting rod; and each sliding block comprises a sliding block body and an insertion block; and the upper ends of the sliding block bodies are connected with the pull ropes, the lower ends of the sliding block bodies are connected with springs, and the springs are connected with the second supporting rods. By means of the automatic brake mechanism, the back wheels can be automatically locked and unlocked, and the automatic brake mechanism is convenient and safe.

Description

technical field [0001] The invention relates to a stroller, in particular to an automatic braking mechanism for the stroller. Background technique [0002] Now there are various styles of baby carriages, except for the differences in size and appearance, the functions are basically the same, which can facilitate the baby to lie in the car, but it is manually locked or unlocked by the front and rear wheels, and the safety factor is low. Forgetting to lock the safety lock when inadvertently releasing the handle of the car can lead to accidents. Contents of the invention [0003] The invention overcomes the shortcomings of the prior art and provides an automatic brake mechanism for baby carriages with simple structure. [0004] In order to achieve the above object, the technical solution adopted by the present invention is: an automatic braking mechanism for a baby carriage, comprising a handle bar, two first struts and two second struts respectively connected to the handle ...

AI Technical Summary

Problems solved by technology

[0002] Now there are various styles of baby carriages, except for the differences in size and appearance, the functions are basically the same, and it is convenient for babies to lie in the car, but it is manually locked or unlocked by the front and rear wheels, and the safety factor is low. Inadvertently forgetting to lock the safety lock when letting go of the car handle, resulting in accidents

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