foldable stroller

Abstract

The invention relates to a folding baby stroller comprising a frame, front wheel components, rear wheel components and locking mechanisms used for locking the frame in an unfolding position. The frame comprises bilaterally symmetrical push rods, front wheel supports, rear wheel supports and support frames. The lower end portions of the push rods are provided with rear wheel support connecting pieces, the rear wheel supports are connected with the rear wheel support connecting pieces in a pivoted manner, first connecting pieces are arranged on the push rods, second connecting pieces are arranged on the front wheel supports, one ends of the support frames are connected with the first connecting pieces in a pivoted manner while the other ends of the same are connected with the second connecting pieces in a pivoted manner, third connecting pieces are arranged on the rear wheel supports, the locking mechanisms are arranged in the third connecting pieces, clamp pin seats are arranged on the front wheel supports, the third connecting pieces are matched with the clamp pin seats and can move relatively to the clamp pin seats, and a four-connecting-rod mechanism is formed by the push rods, the rear wheel supports, the front wheel supports and the support frames. Via a brand new framework design, rods of the frame of the baby stroller are reduced, operation for folding the baby stroller is facilitated, and the folded baby stroller is small in size and convenient to carry.

Description

technical field [0001] The invention relates to the field of trolleys, in particular to a foldable baby stroller. Background technique [0002] The baby stroller in the prior art includes a stroller frame with an unfolded state and a folded state, a front wheel assembly arranged at the bottom front of the stroller frame, and a rear wheel set at the bottom rear of the stroller frame Components, a locking mechanism for locking the cart frame in an unfolded state or a folded state arranged on the cart frame, the cart frame includes a front wheel bracket, a rear wheel bracket and a push rod, and usually also includes a The multiple driving rods necessary for folding between the wheel bracket, the rear wheel bracket and the push rod result in more rods in the cart frame, the structure of the cart frame is more complicated, and the manufacturing cost is higher. At the same time, the folded volume Large, when the car is collected, the seat is usually removed first and then the car...

AI Technical Summary

Problems solved by technology

[0002] The baby stroller in the prior art includes a stroller frame with an unfolded state and a folded state, a front wheel assembly arranged at the bottom front of the stroller frame, and a rear wheel set at the bottom rear of the stroller frame Components, a locking mechanism for locking the cart frame in an unfolded state or a folded state arranged on the cart frame, the cart frame includes a front wheel bracket, a rear wheel bracket and a push rod, and usually also includes a The multiple driving rods necessary for folding between the wheel bracket, the rear wheel bracket and the push rod result in more rods in the cart frame, the structure of the cart frame is more complicated, and the manufacturing cost is higher. At the same time, the folded volume Big, when you collect the car, you usually have to remove the seat first and then collect the car, which is inconvenient to collect the car

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