The disclosure provides a folding handle, a folding device, a child stroller seat, and a child stroller. The folding handle includes: a handle body including a pulling part and a shaft part located at an end of the pulling part; a handle connecting member being fixable on the child stroller seat, and the handle body is pivotally connected to the handle connecting member via the shaft part; and an elastic member configured to force the handle body to pivot toward a closed position. The folding handle according to the disclosure can be automatically closed after the child stroller seat is folded, such that the folded child stroller is more neat and aesthetic, and potential dangers are avoided.

A child carrier includes: a seat portion; a buckle movably provided on the seat portion; a backrest portion connected to the seat portion and extending upward, the backrest portion having a plurality of adjustment holes formed therein from bottom to top; and a shoulder strap having a fixed end and a free end, the fixed end being fixed on a rear side of the backrest portion, the free end passing through one of the plurality of adjustment holes and being removably connected to the seat portion.

The invention discloses a baby seat assembly, including a connecting seat, wherein the connecting seat is connected with a supporting seat capable of rotating relative to the same, the supporting seat is connected with a seat rod, a first locking mechanism is provided between the supporting seat and the connecting seat, the supporting seat is further rotatably connected with a backrest mouldable or foldable relative to the seat rod, a second locking mechanism for locking the backrest and the supporting seat is provided between the both, the supporting seat is further rotatably connected with a front handrail mouldable or foldable relative to the seat rod, and a third locking mechanism for locking the front handrail and the supporting seat is provided between the both; in addition, the backrest is provided with a first unlocking component capable of driving the third locking mechanism to unlock after the second locking mechanism is unlocked and when the backrest is rotated and folded relative to the seat rod, and a second unlocking component capable of driving the first locking mechanism to unlock after the third locking mechanism is unlocked and when the front handrail is rotated and folded relative to the seat rod is provided between the front handrail and the first locking mechanism. The baby seat assembly is simple in structure and convenient for folding operation.

A backrest adjusting mechanism disposed between a backrest tube and a frame of an infant carrier includes an outer cover fixed at the frame, an inner cover connected to the backrest tube and pivoted to the outer cover, a driving member movably disposed between the outer and inner covers, a locking member movably disposed on the driving member, and an operating member connected to the driving member for driving the driving member between first and second positions. Switching of the driving member between the first position and the second position drives the locking member to selectively lock or release the outer cover and the inner cover. Two first locking portions are disposed on the outer cover, a second locking portion is disposed on the inner cover, and the locking member is cooperated with the second locking portion and selectively cooperated with one of the two first locking portions.

A foldable backrest structure (50) adapted for a frame (40) of a child carrier (100), includes a backrest (30), a releasing mechanism (20) and a trigger (10). The backrest (30) is pivoted to the frame (40). The releasing mechanism (20) is disposed between the backrest (30) and the frame (40). The releasing mechanism (20) includes a first abutting component (22). The trigger (10) is disposed on the frame (40) and for slidably abutting against the first abutting component (22) to drive the releasing mechanism (20) to release the backrest (30), so as to allow the backrest (30) to be folded together with the frame (40) when the frame (40) is being folded. The foldable backrest structure (50) of the present invention has advantages of simple structure, easy operation and low manufacturing cost. Besides, the present invention further discloses a child carrier (100) including the aforementioned foldable backrest structure (50).

A foldable pushcart with a multi-section adjustable backrest comprising, a foldable frame, wheels fixedly arranged below the frame, and a vehicle body fixedly arranged on the frame; wherein, the vehicle body comprises side walls, backrests and seat pads integrated; the backrest comprises a first backrest and a second backrest arranged symmetrically; the seat pad comprises a first seat pad connected with the first backrest and a second seat pad connected with the second backrest; a movable pad connected with the first seat pad is arranged between the first seat pad and the second seat pad; an accommodating cavity is provided below the movable pad; a rotatable support rod is symmetrically arranged on the frame; both ends of the support rod are rotatably connected with the base seat; a backrest is sleeved on the support rod; and the backrest is provided thereon with a height adjusting unit.

Baby strollers may have a reversible seat backrest assembly such that the seat may be transferred from a forward facing position or a rearward facing position. Both the forward facing position and the rearward facing position may have a plurality of reclining angle for the comfort of the child. The seatback rest assembly may have a slider crank assembly including two connecting rods to allow adjustment of the seatback rest into the plurality of locked positions.

A stroller apparatus includes a front and a rear leg, a side handrail respectively connected pivotally with the front and rear legs, a handle pivotally connected with the side handrail, a seat support frame including a side bar located below the side handrail and pivotally connected with the front leg and the handle, a first seat detachably installable on the side handrail facing rearward at a first position adjacent to the handle, and a second seat detachably installable on the side bar facing rearward at a second position, the second position being located below the first position and adjacent to the handle.

A direction setting device for the seat of a baby stroller includes the main backrest providing an auxiliary backrest whose bottom end is sewed with the seat fabric to form a sewing thread line via which the auxiliary backrest moves to the front end of the frame to change the seat direction. A a rear canopy is secured on the sunshade, and a switching line for turning over the rear canopy to change the direction forms at the joints of the rear canopy and the sunshade. The rear canopy is fastened to the auxiliary backrest and to the footrest respectively by a fastening element after the seat direction is switched, so that the sunshade may simultaneously change its direction. Furthermore, the tilting angle of the auxiliary backrest may be controlled by adjusting the elevation angle of the footrest.

A foldable backrest structure is provided and includes a backrest, a releasing mechanism and a trigger. The backrest is pivoted to a frame of a child carrier. The releasing mechanism is disposed between the backrest and the frame. The releasing mechanism is located at a position misaligned with a position of a pivoting joint of the frame where a rear leg of the frame is pivotally connected to a front leg of the frame from a side view. The releasing mechanism includes a first abutting component. The trigger is disposed on the frame and located outside the pivoting joint of the frame. The trigger is for slidably abutting against the first abutting component to drive the releasing mechanism to release the backrest, so as to allow the backrest to be folded together with the frame when the frame is being folded. Besides, a related child carrier is also provided.