CN214084410U

CN214084410U - Foldable baby stroller

Info

Publication number: CN214084410U
Application number: CN202022680011.2U
Authority: CN
Inventors: 许素英
Original assignee: Individual
Current assignee: Liu Shenghui
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-08-31
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a collapsible baby's shallow belongs to children's articles for use technical field. The device comprises a front foot tube with front wheels, a rear foot tube with rear wheels, a supporting tube and a hand push handle, wherein the supporting tube and the hand push handle are positioned above the front foot tube and the rear foot tube; the front foot tube and the supporting tube are hinged on a movable joint above the rear foot tube, and the hand push handle is hinged with the top of the supporting tube through a rotating joint. The utility model has the advantages of convenient folding and small storage volume.

Description

Foldable baby stroller

Technical Field

The utility model relates to children's articles for use technical field, in particular to collapsible baby's shallow.

Background

The trolley is a very common child appliance, children can be put on the trolley and pushed by adults to walk, so that the trolley is greatly convenient for nursing the adults, and the children can be more comfortable and safer. Because the general structure of the handcart is more complex, the handcart is quite troublesome to fold, and all parts need to be folded in sequence, so that a plurality of users cannot skillfully finish the whole folding process; even after such folding is completed, the trolley still has a large storage volume.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a collapsible baby's shallow, this handcart has folding convenience, and the small advantage of collection.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a foldable baby stroller comprises a seat frame, a front foot assembly, a rear foot assembly and a hand push handle; the front foot component comprises a front foot pipe and a front wheel arranged at the bottom of the front foot pipe, and the rear foot component comprises a rear foot pipe and a rear wheel arranged at the bottom of the rear foot pipe; also comprises a supporting tube; the front foot tube and the supporting tube on the same side are hinged on a movable joint at the top end of the rear foot tube; wherein, the lower half part of the hand push handle is hinged on the supporting tube through a rotating joint; a lower supporting rod hinged with the upper half part of the rear foot tube is arranged at the upper half part of the rear foot tube, and the tail end of the lower supporting rod is hinged with the tail end of the hand push handle;

a rotary column with rotational freedom is arranged between the hinged position of the lower support rod and the top end of the lower support rod on the rear foot tube, and the axis of the rotary column is vertical to the rear foot tube; the upper half part of the front foot pipe is provided with a front foot linkage rod, the lower support rod is also provided with a lower support linkage rod, and the lower support linkage rod penetrates through the rotary column and has a sliding degree of freedom in the lower support rod; wherein, the front foot linkage rod is hinged with the lower support linkage rod.

Further, a seat frame pipe is arranged on the bottom surface of the seat frame; the seat frame pipe is hinged on the rotary column, and the rotating axes of the seat frame pipe and the rotary column are consistent; the tail end of the seat frame is hinged to the middle position of the lower supporting rod.

Furthermore, the bottom of the seat frame is also fixedly provided with a telescopic handle extending forwards.

The rear part of the front surrounding pipe is movably arranged at the middle position of the supporting pipe through a rotating shaft, and the tail end of the front surrounding pipe is hinged with the tail end of the seat frame at the middle position of the lower supporting pipe through a movable transition connecting rod; the roof is arranged on the roof pipe, and the roof pipe is hinged on the rotating joint.

Furthermore, the tail end of the front surrounding pipe and the transition connecting rod are both of arc structures, and the tail end of the front surrounding pipe is hinged with the head end of the transition connecting rod.

Furthermore, the tail end of the hand push handle is also provided with a roller for walking in a folded state.

The utility model adopts the beneficial effect that above-mentioned technical scheme produced lies in:

the utility model discloses a stay tube, preceding foot pipe, back foot pipe and hand push are the mutual linkage, can accomplish the folding of whole mechanism fast through the linkage between each parts to folding whole small after accomplishing, can directly pulling the transport with flexible hand (hold), the expansion process also links and goes on, just can all expand once, has greatly made things convenient for head of a family's use.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of the half-folded structure of fig. 1.

Fig. 3 is a schematic view of the folded structure of fig. 1.

Fig. 4 is a schematic view of the movable joint position in fig. 1.

In the figure: 1. the front foot linkage rod, 2, a movable joint, 3, a supporting tube, 4, a seat frame tube, 5, a lower supporting rod, 6, a lower supporting linkage rod, 7, a rotary column, 8, a rear foot tube, 9, a front foot tube, 10, a hand push handle, 11, a roof rod, 12, a front wall tube, 13, a transition connecting rod, 14, a rotary joint, 15, a buckle ring, 16 telescopic handles, 17, a seat frame, 18 and a roller.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

a rotary column with rotational freedom is arranged between the hinged position of the lower support rod and the top end of the rear foot tube on the rear foot tube, and the axis of the rotary column is vertical to the rear foot tube; the upper half part of the front foot pipe is provided with a front foot linkage rod, the lower support rod is also provided with a lower support linkage rod, and the lower support linkage rod penetrates through the rotary column and has a sliding degree of freedom in the lower support rod; wherein, the front foot linkage rod is hinged with the lower support linkage rod.

Furthermore, a telescopic handle is arranged in front of the seat frame and is positioned on the bottom surface of the seat frame.

The following is a more specific example:

as shown in FIGS. 1 to 4, the present embodiment comprises a front leg 9 with a front wheel, a rear leg 8 with a rear wheel, and a support tube 3 and a handle 10 located above the front two; the upper end of the back foot tube is fixedly provided with a movable joint 2. The front foot tube and the supporting tube on the same side are respectively hinged on the same movable joint, and the front foot tube and the rear foot tube form a straight line in the unfolding state of the embodiment.

A lower support rod 5 hinged with the upper half part of the rear foot tube is also arranged on the upper half part of the rear foot tube; the tail end of the lower supporting rod is hinged with the lower half part of the hand push handle through a rotating joint 14, and the tail end of the hand push handle is hinged with the other end of the lower supporting rod.

A rotary column 7 with rotational freedom is arranged between the hinged position of the lower support rod and the top end of the lower support rod on the rear foot tube, and the axis of the rotary column is vertical to the rear foot tube; the front foot linkage rod 1 arranged on the upper half part of the front foot pipe is hinged with the lower support linkage rod 6 arranged on the lower support rod, and the lower support linkage rod 6 penetrates through the rotary column and has a sliding freedom degree in the interior.

The bottom surface of the seat frame is provided with a seat frame tube 4 and a telescopic handle 16. Wherein, under the development condition, the seat frame pipe is perpendicular to the seat frame bottom surface, and the other end of seat frame pipe articulates on the spiral post, and the axle center of seat frame pipe and spiral post keeps unanimous. The tail end of the seat frame is hinged at the middle position of the lower supporting rod. The trolley in a folded state can be conveniently pulled by matching the telescopic handle and the rear wheel.

The upper part of the seat frame 17 is also provided with a front surrounding pipe 12, the rear part of the front surrounding pipe is movably arranged at the middle position of the supporting pipe through a rotating shaft, and the tail end of the front surrounding pipe is hinged at the middle position of the lower supporting rod together with the tail end of the seat frame through a movable transition connecting rod. Wherein, the tail end of the front surrounding pipe and the transition connecting rod 13 are both arc-shaped structures, and the tail end of the front surrounding pipe is hinged with the head end of the transition connecting rod.

The roof is arranged on a roof rod 11, and the roof rod is hinged on the rotating joint.

At the end of the handle there are also rollers 18 for walking in the folded position. After the folding is finished, the roller and the rear wheel are positioned on the same horizontal plane and can be directly pushed to walk.

A retaining ring 15 is also arranged on the hand-push handle, and a bulge corresponding to the retaining ring is also arranged on the supporting tube. The bulges and the retaining rings are used for condensing the trolley in a folded state and are not easy to scatter.

Claims

1. A foldable stroller includes a seat frame, a front leg assembly, a rear leg assembly, and a handle bar (10); the front foot component comprises a front foot pipe (9) and a front wheel arranged at the bottom of the front foot pipe, and the rear foot component comprises a rear foot pipe (8) and a rear wheel arranged at the bottom of the rear foot pipe; characterized by also comprising a supporting tube (3); the front foot tube and the supporting tube on the same side are hinged on a movable joint (2) positioned at the top end of the rear foot tube; wherein, the lower half part of the hand push handle is hinged on the supporting tube through a rotary joint (14); a lower supporting rod (5) hinged with the upper half part of the rear foot tube is arranged at the upper half part of the rear foot tube, and the other end of the lower supporting rod is hinged with the tail end of the hand push handle;

a rotary column (7) with rotational freedom is arranged between the hinged position of the lower support rod and the top end of the rear foot tube on the rear foot tube, and the axis of the rotary column is vertical to the rear foot tube; a front foot linkage rod (1) is arranged at the upper half part of the front foot pipe, a lower support linkage rod (6) is hinged on the lower support rod, and the lower support linkage rod penetrates through the rotary column and has a sliding degree of freedom in the interior; and the other ends of the front foot linkage rod and the lower support linkage rod are hinged.

2. A collapsible pushchair according to claim 1, characterised in that a seat tube (4) is provided under said seat frame, in hinged connection therewith; the seat frame pipe is hinged on the rotary column, and the rotating axes of the seat frame pipe and the rotary column are consistent; the tail end of the seat frame is hinged to the middle position of the lower supporting rod.

3. The collapsible stroller as recited in claim 2, further characterized in that a forwardly extending telescopic handle (16) is secured to the bottom of the seat frame.

4. The foldable stroller of claim 2, further comprising a front surrounding tube (12) and a roof, wherein the rear part of the front surrounding tube is movably mounted at the middle position of the supporting tube through a rotating shaft, and the tail end of the front surrounding tube is hinged at the middle position of the lower supporting rod together with the tail end of the seat frame through a movable transition connecting rod (13); the roof is arranged on a roof rod (11), and the roof rod is hinged on the rotating joint.

5. The collapsible stroller of claim 4, wherein the trailing end of the head tube and the transition link are each arcuate in configuration, and the trailing end of the head tube and the leading end of the transition link are hingedly connected.

6. The stroller of claim 1, further comprising rollers at the end of the handle for walking in the folded position.