CN212289993U - Folding baby stroller - Google Patents

Abstract

A foldable baby stroller comprises a folding mechanism, a hand push rod, a front wheel carrier, a rear foot wheel carrier, a seat plate, a guardrail and a back plate, wherein the hand push rod is switched between a folded state of downward overturning and an unfolded state of upward overturning and resetting by the aid of the folding mechanism; the guardrail is switched between a folded state relatively close to the seat board and an unfolded state of relative turning-up action by means of the rotation of the seat rotating shaft. Therefore, the device has excellent performance in technical, practical and economical aspects.

Description

Folding baby stroller

Technical Field

The utility model relates to a folding baby stroller.

Background

According to market research and patent search, the folding structure of the existing baby stroller is found to be a structure with four folded sides, the structural components are complex, the bearing capacity of the seat plate is poor, and the like, the structure of each component of the baby stroller is comprehensively optimized, and the folding baby stroller is developed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a foldable baby's shallow is to provide, its assembly relation is safe firm, the structure is folding stable, accomodate small, accomodate and expand many linkages and a plurality of connecting rod combination flexible transmission stable, reversible be convenient for communicate with the baby, safe and reliable etc.. Therefore, the device has excellent performance in technical, practical and economical aspects.

In order to achieve the above object, the present invention provides a foldable stroller, which comprises a folding mechanism, a handle bar, a front wheel frame, a rear wheel frame, a seat plate, a guardrail and a back plate, wherein the handle bar is switched between a folded state of being turned downwards and an unfolded state of being turned upwards and being reset by the folding mechanism; the guardrail is switched between a folded state relatively close to the seat board and an unfolded state of relative turning-up action by means of the rotation of the seat rotating shaft.

In one or more embodiments of the present invention, the folding mechanism includes a first folding rotating shaft, a second folding rotating shaft, a third folding rotating shaft, a fourth folding rotating shaft, a fifth folding rotating shaft, a sixth folding rotating shaft, a seventh folding rotating shaft, and an eighth folding rotating shaft; the first folding rotating shaft, the second folding rotating shaft and the sixth folding rotating shaft are arranged on the first rotating central component, and a bending connecting arm is movably connected between the third folding rotating shaft and the fourth folding rotating shaft; a first connecting rod is movably connected between the fourth folding rotating shaft and the seventh folding rotating shaft; the fifth folding rotating shaft is movably arranged on the first connecting rod, and an inner folding arm is movably connected between the fifth folding rotating shaft and the sixth folding rotating shaft; and a second connecting rod is movably connected between the seventh folding rotating shaft and the eighth folding rotating shaft.

In one or more embodiments of the present invention, the central member is connected to a handle rod, the seventh folding shaft is disposed on the caster rod, and the eighth folding shaft is movably connected to the seat plate; the handspike to when the relative direction of being close to of bedplate is folding, first folding pivot, second folding pivot, third folding pivot, fourth folding pivot, fifth folding pivot, sixth folding pivot, seventh folding pivot and the linkage of eighth folding pivot to form the state of accomodating.

In one or more embodiments of the present invention, when the handle bar is folded toward a direction in which the seat plate is relatively away from, the first folding shaft, the second folding shaft, the third folding shaft, the fourth folding shaft, the fifth folding shaft, the sixth folding shaft, the seventh folding shaft, and the eighth folding shaft are linked to form an unfolded state.

In one or more embodiments of the present invention, the first rotating central member is connected to the second rotating central member, and the second rotating central member is provided with a sliding shaft.

In one or more embodiments of the present invention, the back plate is a reversible back plate; the guardrail provides the switching-over slot for the backplate.

In one or more embodiments of the present invention, the front wheel frame is integrally formed with a front footrest.

In one or more embodiments of the present invention, a rear footrest is assembled or formed on the rear caster frame.

Compared with the prior art, the utility model the effect that exists is:

because the utility model adopts the above technical scheme, its assembly relation is safe firm, the structure is folding stable, accomodate small, accomodate and expand many linkages and a plurality of connecting rod combination telescopic drive stable, reversible be convenient for with the baby exchange, safe and reliable etc.. Therefore, the device has excellent performance in technical, practical and economical aspects. Therefore, the device has excellent performance in technical, practical and economical aspects.

Drawings

Fig. 1 is a schematic view of a foldable stroller according to an embodiment of the present invention in a storage state;

fig. 2 is a schematic view of a collapsible stroller according to an embodiment of the present invention in another storage state;

FIG. 3 is an enlarged view of FIG. 1 at A;

fig. 4 is a schematic view of a foldable stroller according to an embodiment of the present invention;

fig. 5 is a schematic view of the foldable stroller according to an embodiment of the present invention after reversing;

fig. 6 is a structural view illustrating a unfolded state of the pushchair of fig. 5 after the back plate is reversed.

Those skilled in the art can appreciate that the shapes, configurations and arrangements of the various elements shown in the drawings are not necessarily to scale, and that the dimensions of the various elements and components of the drawings may be exaggerated or minimized to more clearly illustrate the embodiments of the present invention described herein.

The following structure is schematically shown.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.

The orientation shown in the drawings is not to be considered as limiting the scope of the invention, but merely as providing a reference to the preferred embodiments, changes in position or addition of numbers or structural simplifications may be made to the product parts shown in the drawings.

The relation of "connected" between the components shown in the drawings and described in the specification can be understood as fixedly connected or detachably connected or integrally connected; the connecting elements can be directly connected or connected through an intermediate medium, and persons skilled in the art can understand the connecting relation according to specific conditions, and can use the connecting elements in a screwed connection or riveting connection or welding connection or clamping connection or embedding connection mode to replace different embodiments in a proper mode.

The terms of orientation such as up, down, left, right, top, bottom, and the like in the description and the orientation shown in the drawings, may be used for direct contact or contact with each other through another feature therebetween; above may be directly above and obliquely above, or it simply means above the other; other orientations may be understood by analogy. Specific embodiments are described below with reference to the accompanying drawings. However, those skilled in the art will readily appreciate that the detailed description given herein with respect to these figures is for explanatory purposes only and should not be construed as limiting.

Referring to fig. 1 to 6, a preferred embodiment of the present invention is a foldable stroller, which includes a folding mechanism 10, a handle bar 20, a front wheel frame 30, a rear wheel frame 40, a seat plate 50, a guard rail 60, and a back plate 70, wherein the handle bar 20 is switched between a folded state of being turned downward or an unfolded state of being turned back upward by means of the folding mechanism 100; the guard rail 60 is switched between a folded state relatively close to the seat plate 50 and an unfolded state relatively in a flip-up action by means of rotation of the seat rotation shaft 80.

The folding mechanism 10 comprises a first folding rotating shaft 1, a second folding rotating shaft 2, a third folding rotating shaft 3, a fourth folding rotating shaft 4, a fifth folding rotating shaft 5, a sixth folding rotating shaft 6, a seventh folding rotating shaft 8 and an eighth folding rotating shaft 8; the first folding rotating shaft 1, the second folding rotating shaft 2 and the sixth folding rotating shaft 6 are arranged on a first rotating central component 9, and a bending connecting arm 10 is movably connected between the third folding rotating shaft 3 and the fourth folding rotating shaft 4; a first connecting rod 11 is movably connected between the third folding rotating shaft 3 and the seventh folding rotating shaft 7; the fifth folding rotating shaft 5 is movably arranged on the first connecting rod 11, and an inner folding arm 12 is movably connected between the fifth folding rotating shaft 5 and the sixth folding rotating shaft 6; and a second connecting rod 13 is movably connected between the seventh folding rotating shaft 7 and the eighth folding rotating shaft.

The first central component 9 is connected with a hand push rod 14, the seventh folding rotating shaft 7 is arranged on a caster rod 15, and the eighth folding rotating shaft 8 is movably connected with a seat plate 50; when the handspike 14 is folded toward the direction in which the seat plate 50 is relatively close to, the first folding rotating shaft 1, the second folding rotating shaft 2, the third folding rotating shaft 3, the fourth folding rotating shaft 4, the fifth folding rotating shaft 5, the sixth folding rotating shaft 6, the seventh folding rotating shaft 7 and the eighth folding rotating shaft 8 are linked to form a storage state.

When the handspike 20 is folded toward a direction in which the seat plate 16 is relatively far away, the first folding rotating shaft 1, the second folding rotating shaft 2, the third folding rotating shaft 3, the fourth folding rotating shaft 4, the fifth folding rotating shaft 5, the sixth folding rotating shaft 6, the seventh folding rotating shaft 7 and the eighth folding rotating shaft are linked 8 to form an unfolded state.

The first rotary central member 9 is connected to the second rotary central member 17, and the second rotary central member 2 is provided with a translational sliding shaft 18. The folding type folding trolley further comprises a rear caster rod 19, wherein the rear caster rod 19 is provided with a first shaft sleeve hole 21 connected with the second folding rotating shaft 2 and a second shaft sleeve hole 21 connected with the sixth folding rotating shaft 6. A sliding shaft.

The backplate 70 is a reversible backplate; the guard rail 60 provides a reversing slot 61 for the back plate. The back plate 70 is provided with a latch 71 or a latch, and the latch 71 enters the slot 61 to be locked when being assembled. The front carrier 30 is integrally formed with a front footrest 31. The rear leg supporter 41 is assembled or formed on the rear leg wheel stand 40 to facilitate the placement of the infant's feet after steering.

When the folding storage is needed, the pressing elastic lock catch 201 is pressed to open the seat board buckle 51, the guardrail 60 is turned downwards by means of the seat rotating shaft 80, the hand push rod 20 is turned downwards and folded in the direction relatively close to the seat board 50, and the hand push rod is turned upwards to reset to form the unfolding state. The baby stroller is safe and firm in assembly relation, stable in structure folding, small in storage volume, stable in storage and expansion multi-linkage and multi-connecting-rod combined telescopic transmission, reversible, convenient to communicate with a baby, safe and reliable and the like. Therefore, the device has excellent performance in technical, practical and economical aspects.

The foregoing description, for purposes of explanation, used specific nomenclature to provide a thorough understanding of the embodiments. However, it will be apparent to one skilled in the art that the specific details are not required in order to practice the embodiments. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and modifications and substitutions based on the known art are intended to fall within the scope of the present invention, which is defined by the claims.

Claims (8)

1. A folding baby stroller is characterized by comprising a folding mechanism, a hand push rod, a front wheel carrier, a rear wheel carrier, a seat plate, a guardrail and a back plate, wherein the hand push rod is switched between a folding state of downward overturning and a unfolding state of upward overturning and resetting by means of the folding mechanism; the guardrail is switched between a folded state relatively close to the seat board and an unfolded state of relative turning-up action by means of the rotation of the seat rotating shaft.

2. The collapsible stroller of claim 1, wherein the folding mechanism comprises a first folding pivot, a second folding pivot, a third folding pivot, a fourth folding pivot, a fifth folding pivot, a sixth folding pivot, a seventh folding pivot, and an eighth folding pivot; the first folding rotating shaft, the second folding rotating shaft and the sixth folding rotating shaft are arranged on the first rotating central component, and a bending connecting arm is movably connected between the third folding rotating shaft and the fourth folding rotating shaft; a first connecting rod is movably connected between the fourth folding rotating shaft and the seventh folding rotating shaft; the fifth folding rotating shaft is movably arranged on the first connecting rod, and an inner folding arm is movably connected between the fifth folding rotating shaft and the sixth folding rotating shaft; and a second connecting rod is movably connected between the seventh folding rotating shaft and the eighth folding rotating shaft.

3. The collapsible stroller of claim 2, wherein the central member is connected to a handle bar, the seventh folding pivot is disposed on a caster bar, and the eighth folding pivot is movably connected to the seat plate; the handspike to when the relative direction of being close to of bedplate is folding, first folding pivot, second folding pivot, third folding pivot, fourth folding pivot, fifth folding pivot, sixth folding pivot, seventh folding pivot and the linkage of eighth folding pivot to form the state of accomodating.

4. The foldable stroller of claim 3, wherein the first folding pivot, the second folding pivot, the third folding pivot, the fourth folding pivot, the fifth folding pivot, the sixth folding pivot, the seventh folding pivot, and the eighth folding pivot are linked to form an unfolded state when the handle is folded in a direction away from the seat plate.

5. The collapsible stroller of claim 2, wherein the first pivot member is connected to the second pivot member, and the second pivot member is provided with a sliding axis for translation.

6. The collapsible stroller of claim 1, wherein the back panel is a reversible back panel; the guardrail provides the switching-over slot for the backplate.

7. The collapsible stroller of claim 1, wherein the front frame integrally forms a front foot.

8. The collapsible stroller of claim 1, wherein the rear caster frame has a rear foot rest assembled or formed thereon.

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