CN218877366U - Foldable stroller - Google Patents

Abstract

The utility model belongs to the technical field of bassinets, and discloses a foldable stroller, which comprises a push rod component, a front wheel bracket, two rear wheel brackets and a folding mechanism, wherein the folding mechanism comprises a first connecting rod, a second connecting rod, a first locking piece and a second locking piece, and one end of the first connecting rod is hinged at the middle part of the push rod component; one end of the second connecting rod is hinged to the middle part of the front wheel bracket; the other end of the first connecting rod and one end of the front wheel support are hinged to the first locking part, and one ends of the two rear wheel supports are hinged to two ends of the first locking part respectively; the other end of the second connecting rod and one end of the push rod assembly are hinged to the second locking piece along the first direction; the second locking piece can be clamped in the first locking piece; two sleeves which are arranged at an angle are arranged at two ends of the second locking piece, and the sleeves are sleeved and connected with the rear wheel bracket in a sliding manner. The size of the width direction of the folded stroller can be shortened by the arrangement, and the space utilization rate of the folded stroller is improved.

Description

Foldable baby carriage

Technical Field

The utility model relates to a bassinet technical field especially relates to a collapsible children's shallow.

Background

The baby stroller is one of the necessary tools for infant care, and particularly, along with the gradual acceleration of the life rhythm of people, the baby stroller is an essential article for children in the growth process in order to save the accompanying cost of children.

At present, for the convenient of trip to carry, more and more people begin to pursue characteristics such as small, light, collapsible, nevertheless along with the volume of children's shallow diminishes, the folding of shallow need carry on folding many times, just can satisfy characteristics such as small, convenient carrying, but its folding process is comparatively loaded down with trivial details, and because children's shallow generally is equipped with two front wheels and two rear wheels, wheel area after folding is great, especially at the width direction of this shallow, can't be good accomodate.

In the prior art, for example, 201811574500.0 discloses a foldable stroller, which is configured such that when the stroller is folded, a first locking mechanism is used to unlock a seat plate and a handle assembly, then the handle assembly is folded toward a push rod assembly, and at this time, the handle assembly and an unlocking seat are unlocked, and then the unlocking member is used to unlock a locking piece by rotating the unlocking seat of a second locking mechanism, so as to unlock the push rod assembly and a front support assembly, and the push rod assembly can be folded toward a front support assembly. Although the folding process is simplified to a certain extent, the size is still large, and particularly the rear wheels cannot be stored well in the width direction, that is, the folding of the stroller in the vertical direction and the traveling direction of the stroller is only completed in the above application, and the stroller cannot be stored in the width direction, and the size in the width direction is still large, that is, the distance between the two rear wheels cannot be shortened by folding.

Therefore, there is a need for a stroller that solves the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a collapsible children's shallow can shorten folding back children's shallow width direction's volume, has further improved the space utilization of this children's shallow folding back.

To achieve the purpose, the utility model adopts the following technical proposal:

collapsible children's shallow, including push rod subassembly, front wheel support, two rear wheel supports and folding mechanism, above-mentioned folding mechanism includes:

one end of the first connecting rod is hinged to the middle part of the push rod component;

one end of the second connecting rod is hinged to the middle part of the front wheel bracket;

a first locking member, wherein the other end of the first connecting rod and one end of the front wheel bracket are hinged with the first locking member, so that the first connecting rod and the front wheel bracket can rotate around the axial direction of the first locking member; one end of each of the two rear wheel supports is hinged to two ends of the first locking piece respectively, and each rear wheel support can rotate around the radial direction of the end part corresponding to the first locking piece; and

the other end of the second connecting rod and one end of the push rod assembly are hinged to the second locking piece, so that the second connecting rod and the push rod assembly can rotate around the axial direction of the second locking piece; the second locking piece can be clamped in the first locking piece; the both ends of above-mentioned second locking piece are equipped with two sleeves, and two above-mentioned sleeves are angle setting, and two above-mentioned sleeves are established and sliding connection in two above-mentioned rear wheel supports respectively to the cover, and above-mentioned second locking piece is configured to the distance that can adjust between two above-mentioned rear wheel support other ends.

Optionally, the length of the second locking member is greater than the length of the first locking member.

Optionally, the other end of the front wheel bracket is provided with two front wheels at intervals, and the distance between the two front wheels is greater than the length of the second locking piece.

Optionally, one of the first locking member and the second locking member is provided with a buckle, and the other is provided with a slot, and the buckle can be clamped in the slot to lock the first locking member and the second locking member.

Optionally, the second locking member includes a connecting member, and the other end of the second link and one end of the push rod assembly are both hinged to the connecting member; the two sleeves are respectively connected to two ends of the connecting piece.

Optionally, the connector comprises:

one end of the push rod component is fixedly connected to the first rod, and the other end of the second connecting rod is hinged to the first rod; and

and two connecting parts which are respectively and rotatably arranged at two ends of the first rod and are connected with the sleeve.

Optionally, the first locking member includes:

a main body, a first hinge groove being formed in a center of the main body, and the first link being hinged to the first hinge groove; the two ends of the main body part are both provided with second hinge grooves, and the rear wheel bracket is hinged to the second hinge grooves; and

one end of the hinge part is connected with the main body part, the other end extends outwards, and the front wheel bracket is hinged with the hinge part.

Optionally, the folding mechanism further comprises a seat fixing assembly, one end of the seat fixing assembly is hinged to the middle of the second connecting rod, the foldable stroller further comprises a seat support, one end of the seat support is hinged to the first locking member, the other end of the seat support is hinged to the other end of the seat fixing assembly, the seat fixing assembly is configured to support or release the seat support, and a seat can be installed on the seat support.

Optionally, the seat fixing assembly includes two third connecting rods, the two third connecting rods are disposed on two sides of the front wheel bracket, and one end of each third connecting rod is hinged to the second locking part, and the other end of each third connecting rod is hinged to the other end of the seat bracket.

Optionally, the putter assembly includes:

one end of the first push rod is fixedly connected with the second locking piece, and the first locking piece is hinged on the first push rod;

a second push rod connected to the first push rod in a sliding manner; and

the fixing piece is arranged at the joint of the first push rod and the second push rod, and the fixing piece can lock and fix the first push rod and the second push rod.

The utility model has the advantages that:

the utility model provides a collapsible children's shallow, setting through first locking piece and second locking piece, make first connecting rod, push rod assembly, form a four-bar linkage between second connecting rod and the front wheel support, when folding, separate first locking piece and second locking piece, make four-bar linkage can move about, can realize push rod assembly, the folding of front wheel support and rear wheel support, and, at folding in-process, the second locking piece slides towards the other end through the one end of two rear wheel supports of two sleeves edge, can reduce the distance between the two rear wheel support other ends, realize this children's shallow width direction's folding, and then can make the volume after this children's shallow folding littleer, improve space utilization.

Drawings

FIG. 1 is an isometric view of a foldable stroller in a fully open position according to an embodiment of the present invention;

fig. 2 is a side view of the foldable stroller in a fully open position according to an embodiment of the present invention;

fig. 3 is an isometric view of another orientation of the foldable stroller in a semi-folded configuration in accordance with an embodiment of the present invention;

fig. 4 is an isometric view of another orientation of the foldable stroller in a fully folded position according to embodiments of the present invention;

fig. 5 is a partial schematic structural diagram of a folding mechanism according to an embodiment of the present invention;

fig. 6 is a schematic view of a part of the folding mechanism according to the embodiment of the present invention;

fig. 7 is a partial structural schematic view of a first locking member according to an embodiment of the present invention.

In the figure:

10. a push rod assembly; 11. a first push rod; 12. a second push rod; 13. a fixing member;

21. a front wheel bracket; 22. a front wheel;

31. a rear wheel support; 32. a rear wheel;

40. a folding mechanism; 41. a first link; 42. a second link;

43. a first locking member; 431. a card slot; 432. a main body portion; 4321. a first hinge groove; 4322. a second hinge groove;

44. a second locking member; 441. a sleeve; 442. buckling; 443. a connecting member;

45. a seat attachment assembly; 451. a third link;

50. a seat support.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

This embodiment provides a collapsible children's shallow, can be so that the volume is littleer after the children's shallow is folded, especially can realize this collapsible children's shallow folding on width direction. In this embodiment, the X direction shown in fig. 1 is the width direction of the foldable stroller; the Y direction shown in fig. 1 is the length direction of the foldable stroller; the Z-direction shown in fig. 1 is the height direction of the foldable stroller.

Specifically, as shown in fig. 1 to 4, the foldable stroller includes a push rod assembly 10, a front wheel bracket 21, two rear wheel brackets 31, and a folding mechanism 40. The folding mechanism 40 comprises a first connecting rod 41, a second connecting rod 42, a first locking piece 43 and a second locking piece 44, wherein one end of the first connecting rod 41 is hinged to the middle part of the push rod assembly 10; one end of the second connecting rod 42 is hinged to the middle part of the front wheel bracket 21; the other end of the first connecting rod 41 and one end of the front wheel bracket 21 are hinged to the first locking piece 43, so that the first connecting rod 41 and the front wheel bracket 21 can rotate around the axial direction of the first locking piece 43; one end of each of the two rear wheel brackets 31 is hinged to each of the two ends of the first locking member 43, and each of the rear wheel brackets 31 can rotate around the radial direction of the corresponding end of the first locking member 43; the other end of the second connecting rod 42 and one end of the push rod assembly 10 are both hinged to a second locking piece 44, so that the second connecting rod 42 and the push rod assembly 10 can both rotate around the axial direction of the second locking piece 44; the second locking member 44 can be clamped to the first locking member 43, two ends of the second locking member 44 are provided with two sleeves 441, the two sleeves 441 are arranged at an angle, the two sleeves 441 are respectively sleeved and slidably connected to the two rear wheel brackets 31, and the second locking member 44 is configured to be capable of adjusting the distance between the other ends of the two rear wheel brackets 31.

According to the foldable stroller of the embodiment, a four-bar linkage is formed among the first link 41, the push rod assembly 10, the second link 42 and the front wheel bracket 21 by the arrangement of the first locking piece 43 and the second locking piece 44, so that the first link 41, the push rod assembly 10, the second link 42 and the front wheel bracket 21 can realize linkage, and when the first locking piece 43 is clamped with the second locking piece 44, the four-bar linkage is locked.

And, the second locking member 44 is slidably connected to the two rear wheel brackets 31 through the two sleeves 441, respectively, so that the distance between the other ends of the two rear wheel brackets 31 can be adjusted according to the position of the second locking member 44 because the two sleeves 441 are disposed at an angle. That is, when the second locking member 44 moves toward the other ends of the two rear wheel brackets 31, the distance between the other ends of the two rear wheel brackets 31 gradually decreases until the second locking member 44 slides to the other ends of the two rear wheel brackets 31, the distance between the other ends of the two rear wheel brackets 31 is the same as the length of the second locking member 44; when the second locking piece 44 moves toward one end of the two rear wheel carriers 31, the distance between the other ends of the two rear wheel carriers 31 gradually increases.

When the collapsible children's shallow of this embodiment is folded, with first locking piece 43 and the separation of second locking piece 44, make four-bar linkage can move about, can realize push rod assembly 10, the folding of front wheel support 21 and two rear wheel supports 31, and, at folding in-process, second locking piece 44 slides towards the other end through two sleeves 441 along the one end of two rear wheel supports 31, can reduce the distance between the two rear wheel supports 31 other ends, realize the folding to this children's shallow width direction, and then can make the volume after this children's shallow is folding littleer, and space utilization is improved.

Referring to fig. 5 and 6, optionally, one of the first locking member 43 and the second locking member 44 is provided with a buckle 442, and the other is provided with a catch 431, and the buckle 442 can be buckled with the catch 431, so that the first locking member 43 and the second locking member 44 can be locked. In this embodiment, the first locking member 43 is provided with a catch 431 and the second locking member is provided with a catch 442.

In this embodiment, the foldable stroller further includes two front wheels 22 and two rear wheels 32, the two front wheels 22 are disposed at the other end of the front wheel bracket 21 at intervals along the second direction, and the two rear wheels 32 are disposed at the other end of the two rear wheel brackets 31 respectively.

Optionally, the length of the second locking member 44 is greater than the length of the first locking member 43. The distance between the ends of the two rear wheel brackets 31 is minimized due to the two sleeves 441, and the first locking member 43 is disposed at one end of the two rear wheel brackets 31, so that the second locking member 44 does not get stuck when sliding on the rear wheel brackets 31.

Preferably, the length of the second locking member 44 is less than the distance between the two front wheels 22, so that the two front wheels 22 can be sleeved outside the two rear wheels 32 when the stroller is folded, thereby reducing the volume of the stroller and improving the space utilization.

Referring to fig. 7, in the present embodiment, the first locking member 43 includes a main body 432 and a hinge portion, a first hinge slot 4321 is formed in the center of the main body 432, and the first hinge slot 4321 is hinged to the first connecting rod 41; both ends of the main body part 432 are provided with second hinge grooves 4322, and the second hinge grooves 4322 are hinged to the rear wheel bracket 31; the hinge portion has one end connected to the main body portion 432 and the other end extending outward, and is hinged to the front wheel bracket 21. The above-described structural arrangement enables the first locking member 43 to be hinged to the push rod assembly 10, the front wheel carrier 21, and the rear wheel carrier 31, respectively.

Optionally, the clamping groove 431 is disposed on a clamping portion on one side of the main body portion 432, the clamping portion is disposed on one side facing the second locking member 44, the clamping portion and the hinge portion are disposed at a certain angle, the angle is a set angle between the front wheel support 21 and the rear wheel support 31, and clamping of the clamping groove 431 and the second locking member 44 can be achieved.

Referring to fig. 5 and 6, in an alternative embodiment, the second locking member 44 includes a connecting member 443, the other end of the second link 42 and one end of the push rod assembly 10 are both hinged to the connecting member 443, and two sleeves 441 are respectively connected to the two ends of the connecting member 443, so that the second locking member 44, the first link 41 and the push rod assembly 10 can be hinged to each other.

In another alternative embodiment, the connecting member 443 includes a first rod and two connecting portions, one end of the push rod assembly 10 is fixedly connected to the first rod, and the other end of the second link 42 is hinged to the first rod; the two connecting portions are respectively rotatably disposed at two ends of the first rod, and the connecting portions are connected to the sleeve 441, so that the second locking member 44, the first connecting rod 41 and the push rod assembly 10 can be hinged. In practical use, the two schemes can be selected according to the requirements of manufacturing cost, practical requirements and the like, and are not particularly limited herein.

Optionally, the buckle 442 is disposed on a side of the connecting member 443 facing the first locking member 43, so that the buckle 442 can be clamped with the clamping groove 431.

Referring to fig. 1, in the present embodiment, the folding mechanism 40 further includes a seat fixing assembly 45, one end of the seat fixing assembly 45 is hinged to the middle portion of the second link 42, the foldable stroller further includes a seat support 50, one end of the seat support 50 is hinged to the first locking member 43, and the other end of the seat support 50 is hinged to the other end of the seat fixing assembly 45, the seat fixing assembly 45 is configured to be able to support or release the seat support 50, and a seat can be installed on the seat support 50. Through the arrangement, the seat fixing assembly 45 can move along with the second connecting rod 42, and the seat support 50 can be supported or loosened by the seat fixing assembly 45.

Specifically, the seat fixing assembly 45 includes two third connecting rods 451, the two third connecting rods 451 are disposed at two sides of the front wheel bracket 21, one end of each third connecting rod 451 is hinged to the second locking member 44, and the other end of each third connecting rod 451 is hinged to the other end of the seat bracket 50, so that the movement between the seat bracket 50 and the second connecting rod 42 can be realized, and the two third connecting rods 451 are provided, so that the seat fixing assembly is more stable. Alternatively, in the present embodiment, the length of the second link 42 in the second direction is widened, so that the two third links 451 can be arranged in parallel, which also increases the supporting strength of the stroller after being completely unfolded.

In this embodiment, as shown in fig. 1, the push rod assembly 10 includes a first push rod 11, a second push rod 12 and a fixing member 13, wherein one end of the first push rod 11 is hinged to a second locking member 44, and a first locking member 43 is hinged to the middle of the first push rod 11; the second push rod 12 is connected with the first push rod 11 in a sliding mode; extension and retraction of the push rod assembly 10 may be achieved. Further, the fixing member 13 is disposed at a connection position of the first push rod 11 and the second push rod 12, and the fixing member 13 can lock and fix the first push rod 11 and the second push rod 12, so that when the first push rod 11 and the second push rod 12 slide to a designated position, the fixing member 13 can lock the first push rod 11 and the second push rod 12.

It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. Collapsible children's shallow, its characterized in that includes push rod subassembly (10), front wheel support (21), two rear wheel supports (31) and folding mechanism (40), folding mechanism (40) include:

one end of the first connecting rod (41) is hinged to the middle part of the push rod component (10);

one end of the second connecting rod (42) is hinged to the middle part of the front wheel bracket (21);

a first locking member (43), wherein the other end of the first connecting rod (41) and one end of the front wheel bracket (21) are hinged to the first locking member (43), so that the first connecting rod (41) and the front wheel bracket (21) can rotate around the axial direction of the first locking member (43); one ends of the two rear wheel brackets (31) are respectively hinged to two ends of the first locking piece (43), and each rear wheel bracket (31) can rotate around the radial direction of the end part corresponding to the first locking piece (43); and

the other end of the second connecting rod (42) and one end of the push rod assembly (10) are hinged to the second locking piece (44), so that the second connecting rod (42) and the push rod assembly (10) can rotate around the axial direction of the second locking piece (44); the second locking piece (44) can be clamped with the first locking piece (43); two sleeves (441) are arranged at two ends of the second locking piece (44), the two sleeves (441) are arranged at an angle, the two sleeves (441) are respectively sleeved and slidably connected with the two rear wheel brackets (31), and the second locking piece (44) is configured to be capable of adjusting the distance between the other ends of the two rear wheel brackets (31).

2. The foldable stroller of claim 1, wherein the length of the second locking member (44) is greater than the length of the first locking member (43).

3. The foldable stroller of claim 2, wherein the other end of the front wheel bracket (21) is spaced apart by two front wheels (22), and the distance between the two front wheels (22) is greater than the length of the second locking member (44).

4. The foldable stroller of claim 1, wherein one of the first locking member (43) and the second locking member (44) is provided with a catch (442) and the other is provided with a catch (431), the catch (442) being capable of catching in the catch (431) to lock the first locking member (43) and the second locking member (44).

5. The foldable stroller of claim 1, wherein the second locking member (44) comprises a connector (443), and the other end of the second link (42) and one end of the push bar assembly (10) are both hinged to the connector (443); the two sleeves (441) are respectively connected to both ends of the connecting member (443).

6. The foldable stroller of claim 5, characterized in that the connector (443) comprises:

one end of the push rod assembly (10) is fixedly connected to the first rod, and the other end of the second connecting rod (42) is hinged to the first rod; and

and the two connecting parts are respectively and rotatably arranged at two ends of the first rod and are connected to the sleeve (441).

7. The foldable stroller as recited in claim 1, characterized in that the first locking member (43) comprises:

a main body part (432), wherein a first hinge groove (4321) is formed in the center of the main body part (432), and the first connecting rod (41) is hinged to the first hinge groove (4321); two ends of the main body part (432) are respectively provided with a second hinge groove (4322), and the rear wheel bracket (31) is hinged to the second hinge grooves (4322); and

and a hinge part having one end connected to the main body part (432) and the other end extending outward, the front wheel support (21) being hinged to the hinge part.

8. The foldable stroller according to any of claims 1 to 7, wherein the folding mechanism (40) further comprises a seat attachment assembly (45), one end of the seat attachment assembly (45) being hinged to the middle of the second link (42), the foldable stroller further comprising a seat support (50), one end of the seat support (50) being hinged to the first locking member (43) and the other end being hinged to the other end of the seat attachment assembly (45), the seat attachment assembly (45) being configured to be able to raise or release the seat support (50), the seat support (50) being able to mount a seat thereon.

9. Foldable child stroller according to claim 8, characterized in that the seat fixing assembly (45) comprises two third links (451), two of the third links (451) are arranged on both sides of the front wheel carriage (21), and one end of the third links (451) is hinged to the second locking element (44) and the other end is hinged to the other end of the seat carriage (50).

10. The foldable stroller as recited in any of claims 1-7, characterized in that the push rod assembly (10) comprises:

a first push rod (11) with one end fixed on the second locking piece (44), wherein the first locking piece (43) is hinged on the first push rod (11);

a second push rod (12) slidably connected to the first push rod (11); and

the fixing piece (13) is arranged at the joint of the first push rod (11) and the second push rod (12), and the fixing piece (13) can lock and fix the first push rod (11) and the second push rod (12).

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