The secondary lock system of the stroller and the stroller

Abstract

The invention relates to a two-lock system applied in a baby stroller which comprises a frame and the two-lock system. The frame is provided with an unfolding position and a folding position, and the two-lock system mounted on the frame comprises a first connecting plate, a second connecting plate and an elastic piece. A first end of the first connecting plate is pivoted to a first side of the frame, a second end of the first connecting plate is pivotally connected with a second end of the second connecting plate, and a first end of the second connecting plate is pivoted to a second side of the frame; the first connecting plate is angle-shaped, a pivot is arranged nearby a angle-shaped bending place of the first connecting plate, and a protruding portion is arranged at the end of the second end of the first connecting plate; one end of the elastic piece is fixed on the first connecting plate or the second connecting plate, while the other end of the elastic piece is arranged on the frame. The invention further relates to the baby stroller applying the two-lock system. The baby stroller and the two-lock system applied in the baby stroller are safe and reliable, and the problems that a baby seat and baby's hands are confined in activities due to a small space caused by the fact that a front wheel support recesses inwards are solved.

Description

technical field [0001] The invention relates to the field of trolleys, in particular to a secondary lock system for a baby stroller and the baby stroller. Background technique [0002] Existing strollers include a foldable frame, a front wheel assembly, a rear wheel assembly, and a locking mechanism that locks the frame in an unfolded position. The vehicle frame includes left and right symmetrical push rods, front wheel brackets and rear wheel brackets. An X-shaped bottom bracket that can be folded left and right is arranged between the wheel brackets, and a seat frame tube is pinned between the front wheel bracket and the rear wheel bracket on the same side of the vehicle frame. The baby stroller in the prior art rests on the X-shaped bottom. Brackets and rear support components to support the entire frame, since the push rods, front wheel brackets and rear wheel brackets are hollow tubes, when the weight of the baby is placed on the seat tube, the knuckles on the front wh...

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