CN215322804U - Baby carriage - Google Patents

Abstract

The utility model discloses a baby stroller, which comprises a front foot assembly, a rear foot assembly, a handle assembly and a seat assembly, wherein the top of the front foot assembly and the bottom of the handle assembly are hinged with the rear foot assembly, a first connecting rod for driving the front foot assembly to approach the rear foot assembly is arranged between the front foot assembly and the rear foot assembly, the seat assembly is hinged with the front foot assembly and is connected with a first connecting rod through a second connecting rod, and the second connecting rod is hinged with the first connecting rod and the seat assembly, so that the seat assembly, the front foot assembly, the first connecting rod and the second connecting rod form a foldable first four-bar mechanism which can synchronously rotate and fold along with other assemblies, and the complicated operation of independently operating the seat assembly is omitted. And the seat component in the folded state does not protrude out of the front foot component, so that the folded volume is reduced.

Description

Baby carriage

Technical Field

The application relates to the technical field of child carriers, in particular to a baby stroller with a seat.

Background

The baby stroller is used as a child carrier for outdoor or indoor seating of a baby, and most of the existing baby strollers can be folded for convenient storage and carrying, and a seat on the baby stroller is generally detachably connected with a frame, or can be folded to further reduce the volume of the folded baby stroller.

For example, chinese patent publication No. CN 212047539U discloses a stroller with a foldable seat, in which a front seat rod of a seat assembly is hinged to a frame at one point, and the front seat rod in a folded state protrudes more than the frame, which affects storage.

SUMMERY OF THE UTILITY MODEL

The application provides a baby stroller with a seat, which is smaller in volume after being folded.

The utility model provides a baby stroller, includes preceding foot subassembly, back foot subassembly, hand (hold) subassembly and seat subassembly, the top of preceding foot subassembly and the bottom of hand (hold) subassembly all are articulated with the back foot subassembly, be provided with the first connecting rod that drives the front foot subassembly and draw close to the back foot subassembly between preceding foot subassembly and the back foot subassembly, the seat subassembly is articulated with the front foot subassembly to be connected with first connecting rod through the second connecting rod, the second connecting rod is all articulated with first connecting rod and seat subassembly for a folding first four bar linkage is constituteed to seat subassembly, front foot subassembly, first connecting rod and second connecting rod.

Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.

Optionally, the seat assembly comprises two first connectors hinged to the first link and the front foot assembly, a cross bar and a seat bar are arranged between the two first connectors, and the cross bar, the seat bar and the first connectors form a seat plate frame for supporting the infant.

Optionally, in the unfolded state, the seat board frame forms an included angle with the horizontal plane.

Optionally, the front foot assembly comprises a pair of front foot rods which are symmetrically arranged, and front wheels which are arranged at the bottoms of the front foot rods, the rear foot assembly comprises a pair of rear foot rods which are symmetrically arranged, and rear wheels which are arranged at the bottoms of the rear foot rods, the handle assembly comprises a lower handle rod and an upper handle rod which are hinged with each other, and the bottom of the lower handle rod is hinged with the middle of the rear foot rods;

a side rod is hinged between the top of the upper handle rod and the top of the rear foot rod, and the upper handle rod, the lower handle rod, the rear foot rod and the side rod form a foldable second four-bar linkage mechanism.

Optionally, the first connecting rod includes a first section and a second section hinged to the first hinge point, the first section is hinged to the front leg rod, the second section is hinged to the rear leg rod, and a third connecting rod for driving the first section and the second section to approach each other is hinged between the side rod and the first hinge point.

Optionally, the third link has a bent section coincident with and on an opposite inner side of the side bar.

Optionally, a locking mechanism for keeping the stroller in the unfolded state is disposed between the side bar and the upper handle bar, or between the upper handle bar and the lower handle bar.

Optionally, the top of back foot bar is provided with the second connecting piece, preceding foot bar and side lever all articulate in the second connecting piece, the articulated department of second connecting piece and preceding foot bar, side lever is provided with to support and to lean on and restrict preceding foot bar and side lever and continue to follow the recess that expandes the direction motion.

Optionally, the groove covers hinge points of the front foot bar and the side bars with the second connecting piece respectively.

Optionally, a grab rail is arranged on one side of the second connecting piece, which faces away from the rear foot bar.

The baby stroller comprises a seat assembly, a front foot assembly, a first connecting rod and a second connecting rod, wherein the seat assembly, the front foot assembly, the first connecting rod and the second connecting rod form a foldable four-bar linkage mechanism, the four-bar linkage mechanism draws the seat assembly to be integrally folded into a frame in the process of folding the front foot assembly to be close to the rear foot assembly, and the volume of the folded whole stroller is reduced.

Drawings

FIG. 1 is a schematic view of a stroller according to an embodiment of the present application;

FIG. 2 is a perspective view of a stroller in accordance with an embodiment of the present application;

FIG. 3 is a state change view of FIG. 2;

FIG. 4 is a view of the folded state of FIG. 2;

FIG. 5 is a side view of a stroller according to an embodiment of the present application;

FIG. 6 is a state change view of FIG. 5;

FIG. 7 is a front view of a stroller according to an embodiment of the present application;

FIG. 8 is a cross-sectional view taken along line B-B of FIG. 7;

FIG. 9 is a state change view of FIG. 8;

FIG. 10 is a view of the folded state of FIG. 8;

fig. 11 is an enlarged view of a portion a in fig. 4.

The reference numerals in the figures are illustrated as follows:

1. a forefoot assembly; 11. a front foot bar; 12. a front wheel;

2. a back foot assembly; 21. a rear foot bar; 22. a rear caster;

3. a handle assembly; 31. a lower handle bar; 32. an upper handle bar; 33. a side lever;

4. a seat assembly; 41. a seat plate frame; 411. a first connecting member; 412. a cross bar; 413. a seat post;

414. a foot bar; 42. a second connecting member; 421. a groove;

5. a first link; 51. a first stage; 52. a second stage;

7. a third link; 71. bending the section;

81. a first hinge point;

6. a second link; 9. a grab rail.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In this application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any particular order or number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

As shown in fig. 1, the present application provides a stroller having an unfolded state and a folded state, which comprises a front leg assembly 1, a rear leg assembly 2, a handle assembly 3 and a seat assembly 4, wherein the front leg assembly 1, the rear leg assembly 2, the handle assembly 3 and the seat assembly 4 form a frame, the top of the front leg assembly 1 and the bottom of the handle assembly 3 are both hinged to the rear leg assembly 2, and a first connecting rod 5 for driving the front leg assembly 1 to move toward the rear leg assembly 2 is arranged between the front leg assembly 1 and the rear leg assembly 2, so that the stroller can be folded in a linkage manner. The front foot assembly 1 and the rear foot assembly 2 form a stable triangular structure with the ground in the unfolded state, the supporting cart is in a standing state, and a cloth bag (not shown) for the baby to sit is generally sleeved on the seat assembly 4.

In the existing baby stroller with seat assemblies folded along with the stroller frame, most of the seat assemblies are only hinged with the stroller frame at one point, and the stroller frame and the seat assemblies are folded step by step to achieve smaller folding volume, or the influence that the seat assemblies are not completely accommodated in the stroller frame after being folded is not considered, so that the volume after being folded is overlarge.

To solve the above problem, as shown in fig. 1 to 6, the seat assembly 4 is hinged to the front foot assembly 1 and connected to the first link 5 through the second link 6, and the second link 6 is hinged to both the first link 5 and the seat assembly 4, so that the seat assembly 4, the front foot assembly 1, the first link 5 and the second link 6 constitute a foldable first four-bar linkage. The specific folding process is as follows: the handle component 3 starts to rotate to fold and draw close the rear foot component 2 firstly, the first connecting rod 5 is driven synchronously and then drives the front foot component 1 to rotate to draw close the rear foot component 2, the first four-bar linkage mechanism drives the seat component 4 to rotate to draw close the front foot component synchronously, and in the final folding state, the seat component 4 basically and the front foot component 1 are kept not protruding out of the front foot component 1. Compared with the traditional structure, the seat assembly is folded in linkage with the frame, the complexity of the independent folding operation of the seat assembly is omitted, and the volume of the folded whole vehicle is smaller and convenient to store.

Referring again to fig. 2, in one embodiment, the seat assembly 4 includes two first connectors 411 hinged to the first link 5 and the front leg assembly 1, a cross bar 412 and a seat bar 413 are disposed between the two first connectors 411, and the cross bar 412, the seat bar 413 and the first connectors 411 form a seat plate frame 41 for supporting the child. Wherein, first connector 411 sets up the relative inboard at preceding foot subassembly 1, and horizontal pole 412 and seat pole 413 are all fixed on first connector 411 through pegging graft, and the bedplate frame 41 that forms after the installation is the rectangle for wear to establish cloth pocket back support baby's buttock. And the cross bar 412 also serves to reinforce the structural strength of the stroller. In another embodiment, the front of the first link 411 is hinged with a foot bar 414, and the foot bar 414, the first link 411 and the crossbar 412 form a frame that supports the legs of the infant.

Referring to fig. 5 again, in one embodiment, in the unfolded state, the seat frame 41 forms an included angle with the horizontal plane, the included angle ranges from 5 to 15 °, specifically: the seat frame 41 has a cross bar 412 at one end higher than a seat bar 413 at the other end, so that when a baby is seated, the knees are higher than the buttocks, the sitting posture is comfortable and the seat frame is prevented from slipping out of the seat assembly 4.

Referring to fig. 2 and 5 again, in one embodiment, the front foot assembly 1 includes a pair of front foot rods 11 arranged symmetrically, a front wheel 12 disposed at the bottom of the front foot rods, the rear foot assembly 2 includes a pair of rear foot rods 21 arranged symmetrically, and a rear wheel 22 disposed at the bottom of the rear foot rods, the handle assembly 3 includes a lower handle rod 31 and an upper handle rod 32 hinged to each other, and the bottom of the lower handle rod 31 is hinged to the middle of the rear foot rods 21; a side lever 33 is hinged between the top of the upper handle bar 32 and the top of the back foot bar 21, and the upper handle bar 32, the lower handle bar 31, the back foot bar 21 and the side lever 33 form a foldable second four-bar linkage. In the unfolded state, the second four-bar linkage is in a triangular structure, that is, the upper handle bar 32 and the lower handle bar 31 are in a straight line, or the upper handle bar 32 and the side bar 33 are in a straight line, so that the structural stability of the handle assembly 3 is improved.

Referring to fig. 7 to 10, in one embodiment, the first link 5 includes a first section 51 and a second section 52 hinged to a first hinge point 81, the first section 51 is hinged to the front leg rod 11, the second section 52 is hinged to the rear leg rod 21, and a third link 7 for driving the first section 51 and the second section 52 to move closer to each other is hinged between the side rod 33 and the first hinge point 81. The specific folding process is as follows: in the folding process of the second four-bar linkage, the third link 7 is driven to drive the first hinge point 81 to move, so that the first section 51 and the second section 52 are close to each other around the first hinge point 81, and the first section 51 pulls the front foot bar 11 to rotate to close the rear foot bar 21.

In one embodiment, a locking mechanism is disposed between the side bar 33 and the upper handle bar 32, or between the upper handle bar 32 and the lower handle bar 31 to maintain the stroller in the unfolded state, once the locking mechanism is locked, the second four-bar linkage is triangular, and the corresponding first, second and third links are relatively fixed and cannot rotate at the same time, so as to maintain the stroller in the unfolded state.

Referring to fig. 5 and 8, in one embodiment, the third link 7 has a bent section 71 coinciding with the side bar 33 and located on the opposite inner side of the side bar 33, so that the stroller in the unfolded state has a more compact shape.

Referring to fig. 2-4 and 11, in one embodiment, the second connecting member 42 is disposed on the top of the rear foot bar 21 and is inserted into the front foot assembly 1 and the handle assembly 3 to be fixed relative to each other, so that the front foot assembly 1 and the handle assembly 3 can rotate to close the rear foot assembly 2. The front foot rod 11 and the side rod 33 are both hinged in the second connecting piece 42, the hinged parts of the second connecting piece 42, the front foot rod 11 and the side rod 33 are provided with grooves 421 which abut against and limit the front foot rod 11 and the side rod 33 to continue moving along the unfolding direction, the openings of the grooves 421 face downwards, and in the unfolding state, the front foot rod 11 and the side rod 33 abut against the inner wall of the grooves 421, so that other locking mechanisms are omitted, and the structure is simpler. In a preferred embodiment, the groove 421 covers the hinge point of the front leg 11 and the side bar 33 with the second connecting member 42, and in detail, the groove 421 covers the inner side, the outer side and the upper side opposite to the hinge point, so as to protect the infant or adult from being pinched when folded.

In one embodiment, the second connecting member 42 is provided with a grab bar 9 at a side facing away from the rear foot bar 21 for being held by both hands of a baby, and encloses a seating area for limiting the baby from slipping with the seat assembly 4, and can be held and carried by an adult in a folded state, so that the whole baby carrier is convenient.

The seat subassembly in the baby's shallow of this application forms folding four bar linkage with other subassemblies of frame, at the in-process of folding up, can rotate the folding along with the frame is synchronous, has saved the loaded down with trivial details action of folding up the seat subassembly alone to under the state of folding up, the seat subassembly is folded up and is in the state of not outstanding preceding foot subassembly, has reduced the volume after whole car is folded up.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features. When technical features in different embodiments are represented in the same drawing, it can be seen that the drawing also discloses a combination of the embodiments concerned.

The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.

Claims (10)

1. Baby's shallow, including preceding foot subassembly, back foot subassembly, hand (hold) subassembly and seat subassembly, the top of preceding foot subassembly and the bottom of hand (hold) subassembly all are articulated with the back foot subassembly, be provided with the first connecting rod that drives the front foot subassembly and draw close to the back foot subassembly between preceding foot subassembly and the back foot subassembly, its characterized in that, the seat subassembly is articulated with the front foot subassembly to be connected with first connecting rod through the second connecting rod, the second connecting rod is all articulated with first connecting rod and seat subassembly for seat subassembly, front foot subassembly, first connecting rod and second connecting rod constitute a folding first four bar linkage.

2. The stroller of claim 1, wherein the seat assembly comprises two first connectors hingedly connected to the first link and the front leg assembly, and a cross bar and a seat bar are disposed between the two first connectors, the cross bar, the seat bar and the first connectors forming a seat frame for supporting the infant.

3. The stroller of claim 2, wherein the seat pan frame is angled from horizontal in the deployed position.

4. The stroller of any of claims 1-3, wherein the front leg assembly comprises a pair of symmetrically disposed front legs, a front wheel disposed at a bottom of the front legs, the rear leg assembly comprises a pair of symmetrically disposed rear legs, and a rear wheel disposed at a bottom of the rear legs, the handle assembly comprises a lower handle bar and an upper handle bar hinged to each other, and a bottom of the lower handle bar is hinged to a middle portion of the rear legs;

a side rod is hinged between the top of the upper handle rod and the top of the rear foot rod, and the upper handle rod, the lower handle rod, the rear foot rod and the side rod form a foldable second four-bar linkage mechanism.

5. The stroller of claim 4, wherein the first link comprises a first section and a second section hingedly connected to each other at a first hinge point, the first section being hingedly connected to the front leg bar, the second section being hingedly connected to the rear leg bar, and a third link pivotally connecting the first and second sections together at the first hinge point.

6. The stroller of claim 5, wherein the third link has a bend section coincident with and on an opposite inner side of the side bar.

7. The stroller of claim 5, wherein a locking mechanism is provided between the side bars and the upper handle bar or between the upper handle bar and the lower handle bar to maintain the stroller in the deployed position.

8. The stroller of claim 4, wherein the top of the rear leg is provided with a second connecting member, the front leg and the side bar are hinged in the second connecting member, and the hinge of the second connecting member to the front leg and the side bar is provided with a groove for abutting against and limiting the front leg and the side bar to continue moving in the unfolding direction.

9. The stroller of claim 8, wherein the groove covers the hinge points of the front leg bar and the side bar with the second connector, respectively.

10. The stroller of claim 8, wherein a grab bar is provided on a side of the second link facing away from the rear foot bar.

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