CN214607684U - Children's barrow - Google Patents

Abstract

The application discloses a stroller with an unfolded state and a folded state, which comprises two oppositely arranged side supports and a seat assembly arranged between the two side supports, wherein each side support comprises a handle assembly, a front foot assembly and a rear foot assembly; the seat assembly includes a front portion and a rear portion hingedly connected to each other at a second hinge point, wherein the front portion is hingedly connected to the front leg assembly and the rear portion is hingedly connected to the rear leg assembly or link. The child stroller is only moved through the second hinge point, the four-bar linkage is matched with other components and the rod piece to be folded, the integral folding operation is achieved, and the folding operation is convenient.

Description

Children's barrow

Technical Field

The application relates to the technical field of children's carts, in particular to a convenient and foldable children's cart.

Background

The children's shallow is used for bearing children, supplies outdoor the propelling movement. The frame of the stroller is convenient to carry outside, and mostly has a folding function, so that the stroller can be normally used in an unfolded state, and can be collected and carried in a folded state.

Most of the existing stroller rely on a plurality of bars to form a four-bar linkage mechanism, which facilitates the linkage between the bars during the folding process, for example, chinese patent publication No. CN 102372016B discloses a crossed four-bar folding stroller, comprising: the middle part of the left front frame is hinged with a left front seat frame rod, and the rear part of the left front seat frame rod is hinged with a left rear seat frame rod; the middle part of the right front frame is hinged with a right front seat frame rod, and the rear part of the right front seat frame rod is hinged with a right rear seat frame rod; the middle part of the left rear frame is hinged with the left rear seat frame rod, and the upper end of the left rear frame is hinged with the left front frame; the middle part of the right rear frame is hinged with the right rear seat frame rod, and the upper end of the right rear frame is hinged with the right front frame; the lower end of the left grab rail is hinged with the upper end of the left rear frame, the middle part of the left grab rail is hinged with a left driving connecting rod, and the lower end of the left driving connecting rod is hinged on a hinge shaft of the left front seat frame rod and the left rear seat frame rod; the right handrail rod, its lower extreme with left back frame upper end articulated, its middle part articulates there is the right drive connecting rod, right drive connecting rod lower extreme articulate on the hinge of right front seat hack lever and right back seat hack lever, realized folding function through four-bar mechanism, nevertheless seat frame pole articulates in preceding, back frame, the connecting rod articulates between seat hack lever and handrail rod, and set up locking mechanical system at present driving lever and back frame pin joint, during folding, need the unblock to folding operation is carried out in the past frame of both hands and handrail rod application of force simultaneously, complex operation.

SUMMERY OF THE UTILITY MODEL

The application provides a convenient folding children's shallow.

A children's barrow, have and expand the state and fold up the state, include two side supports that set up relatively and set up the seat assembly between the supports of both sides, each side support includes hand (hold) assembly, front foot assembly and back foot assembly, the top of the front foot assembly and bottom of the hand (hold) assembly are hinged in the first pin joint, the top of the back foot assembly is hinged with the front foot assembly, there are tie rods between back foot assembly and the hand (hold) assembly, front foot assembly, back foot assembly and tie rod form a foldable four-bar linkage; the seat assembly includes a front portion and a rear portion hingedly connected to each other at a second hinge point, wherein the front portion is hingedly connected to the front leg assembly and the rear portion is hingedly connected to the rear leg assembly or link.

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 front foot assembly, the rear foot assembly and the handlebar assembly are coplanar.

Optionally, a plurality of lugs are arranged on the front foot assembly and the handle assembly, and the lugs are respectively hinged with the rear foot assembly and the connecting rod.

Optionally, the handlebar assembly and the forefoot assembly are co-linear in the deployed state.

Optionally, the handlebar assembly and the front foot assembly are provided with a bending section at the first hinge point.

Optionally, the second hinge point is provided with a locking mechanism that holds the stroller in the unfolded state.

Optionally, a seat is detachably connected to the seat assembly, an adapter seat is disposed at the second hinge point, and adapters matched with the adapter seat are disposed on two sides of the seat.

Optionally, a first wheel is disposed at the bottom of the front foot assembly, and a second wheel is disposed at the bottom of the rear foot assembly.

Optionally, the number of the first wheels is one or two.

Optionally, the handlebar assembly is foldable or retractable.

The utility model provides a children's shallow's second pin joint upward movement relies on many member pieces of four-bar linkage to draw close to the rotation of second pin joint, and folding, convenient operation of frame can only be accomplished to a pin joint application of force to the completion of closing.

Drawings

FIG. 1 is a schematic view of a stroller in an expanded state according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of a stroller of another embodiment of the present application during folding;

FIG. 3 is a schematic view of another state of FIG. 1;

fig. 4 is another state diagram of fig. 1.

The reference numerals in the figures are illustrated as follows:

1. a side bracket; 10. a handle assembly; 11. a forefoot assembly; 12. a back foot assembly; 13. a connecting rod; 14. a first hinge point;

15. a lug; 16. bending the section;

2. a seat assembly; 21. a front portion; 22. a rear portion; 23. a second hinge point;

3. a first wheel; 4. a second wheel.

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 to 4, the present application provides a stroller having an unfolded state and a folded state, comprising two oppositely disposed side brackets 1 and a seat assembly 2 disposed between the two side brackets 1, each side bracket 1 comprises a handle assembly 10, a front foot assembly 11 and a rear foot assembly 12, the top of the front foot assembly 11 and the bottom of the handle assembly 10 are hinged to a first hinge point 14, the top of the rear foot assembly 12 is hinged to the front foot assembly 11, a connecting rod 13 is disposed between the rear foot assembly 12 and the handle assembly 10, the front foot assembly 11, the rear foot assembly 12 and the connecting rod 13 form a foldable four-bar linkage; the seat assembly 2 comprises a front portion 21 and a rear portion 22 hinged to each other at a second hinge point 23, wherein the front portion 21 is hinged to the front foot assembly 11, and the hinge point of the rear portion 22 is arranged in such a way that:

the first embodiment is as follows: referring to fig. 1, the rear portion 22 is hinged to the rear foot assembly 12, when the folding is completed, the second hinge point 23 moves upward, the front portion 21 and the rear portion 22 are pulled to rotate around the second hinge point 23 to approach each other, the front portion 21 and the rear portion 22 respectively pull the front foot assembly 11 and the rear foot assembly 12 to rotate towards the second hinge point 23 to approach each other, meanwhile, the rear foot assembly 12 pulls the connecting rod 13 to rotate towards the second hinge point 23 to approach each other, and the connecting rod 13 randomly pulls the handle assembly 10 to rotate around the first hinge point 14 to approach the connecting rod 13 until the two assemblies or the two rods interfere with each other, so that the folding is completed.

Example two: referring to fig. 2, the rear portion 22 is hinged to the connecting rod 13 while avoiding the rear leg assembly 12, when the folding is completed, the second hinge point 23 moves upward, the front portion 21 and the rear portion 22 are pulled to rotate around the second hinge point 23 to close, the front portion 21 and the rear portion 22 respectively pull the front leg assembly 11 and the connecting rod 13 to rotate towards the second hinge point 23 to close, and meanwhile, the connecting rod 13 pulls the handle assembly 10 to rotate around the first hinge point 14 to close and push against the rear leg assembly 12 to rotate towards the second hinge point 23 to close until the two assemblies or the two rod members interfere with each other, so that the folding is completed.

The child stroller of the above two embodiments is convenient to fold by pulling other components and rod members to fold through the movement of a hinge point on the seat component 2 and the linkage of the four-bar linkage mechanism. The stroller is also typically provided with a locking mechanism for maintaining the stroller in the unfolded position, and in one embodiment, the second hinge point 23 is provided with a locking mechanism for limiting the rotation between the front and rear portions 21, 22 relative to the second hinge point 23 to maintain the stroller in the unfolded position.

In one embodiment, the front foot assembly 11, the rear foot assembly 12 and the handlebar assembly 10 are coplanar, so that the side bracket 1 has improved integrity and a more compact appearance. In the preferred embodiment, the handlebar assembly 10 and the forefoot assembly 11 are co-linear in the extended position, making the two assemblies as a single unit and a more compact appearance.

Because the three assemblies are coplanar, in one embodiment, the front foot assembly 11 and the handlebar assembly 10 are provided with a plurality of lugs 15, and the lugs 15 are respectively hinged with the rear foot assembly 12 and the connecting rod 13. The lugs 15 extend downwards and are hinged between each component and the rod piece, so that the problem of overlarge volume in a folding state due to premature interference near a hinge point caused by coplanarity of the components or the rod pieces in the folding process is avoided.

As shown in fig. 1 to 4, in one embodiment, the handle assembly 10 and the front foot assembly 11 are provided with a bending section 16 extending downward at the first hinge point 14, on the one hand, in the unfolded state, the first hinge point 14 does not protrude above the straight line where the handle assembly 10 and the front foot assembly 11 are located, so that the appearance is more compact, and the child cannot reach the first hinge point, thereby improving the safety. On the other hand, during folding, the two coplanar components are prevented from interfering early, so that in the folded state, the space for accommodating the front part 21, the rear part 22 and the connecting rod 13 is reserved between the two components by virtue of the bending section 16, and the folding volume is small.

In one embodiment, a seat (not shown) is detachably connected to the seat assembly 2, the second hinge point 23 is provided with an adapter (not shown), and the two sides of the seat are provided with adapters (not shown) matched with the adapter. When the folding operation is performed, the locking mechanism is unlocked, the seat is lifted upwards, and then the second hinge point 23 is pulled to move upwards, so that the assembly and the rod piece can perform subsequent folding movement conveniently, and the operation is convenient.

In one embodiment, the first wheel 3 is disposed at the bottom of the front leg assembly 11, and the second wheel 4 is disposed at the bottom of the rear leg assembly 12, so as to facilitate the mobile use in the unfolded state. In one embodiment, the number of the wheels may be one first wheel 3, two second wheels 4, or both the first wheel 3 and the second wheel 4, and the track of the first wheel 3 is smaller than the track of the second wheel 4, so that the two wheels can be overlapped with each other in the folded state, thereby further reducing the folded volume. In one embodiment, the handle assembly 10 is capable of folding or telescoping, and also serves to reduce the volume of the folded handle assembly.

The utility model provides a children's shallow compares in prior art, and the motion through a pin joint drives other subassemblies and member folding, realizes that whole receipts receive the operation, and convenient operation just is provided with lug and bending segment, reduces the volume after folding.

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. A children's barrow, have state of expansion and state of folding up, characterized by, including two side supports set up oppositely and set up the seat assembly between the supports of both sides, each side support includes hand (hold) assembly, front foot assembly and back foot assembly, the top of the front foot assembly and bottom of the hand (hold) assembly are hinged in the first pin joint, the top of the back foot assembly is hinged with the front foot assembly, there are tie rods between back foot assembly and the hand (hold) assembly, front foot assembly, back foot assembly and tie rod form a foldable four-bar linkage; the seat assembly includes a front portion and a rear portion hingedly connected to each other at a second hinge point, wherein the front portion is hingedly connected to the front leg assembly and the rear portion is hingedly connected to the rear leg assembly or link.

2. The stroller of claim 1, wherein the front foot assembly, rear foot assembly and handlebar assembly are coplanar.

3. The stroller as recited in claim 1, wherein the front foot assembly and the handlebar assembly are provided with a plurality of lugs, the lugs being hingedly connected to the rear foot assembly and the link, respectively.

4. The stroller of claim 1, wherein the handlebar assembly and the forefoot assembly are collinear in the deployed state.

5. The stroller of claim 4, wherein the handlebar assembly and the forefoot assembly are provided with a bend at the first hinge point.

6. The stroller as recited in claim 1, wherein the second hinge point is provided with a locking mechanism to maintain the stroller in the deployed condition.

7. Child stroller according to claim 1, wherein a seat is detachably connected to the seat assembly, the second hinge point is provided with an adapter, and the two sides of the seat are provided with adapters matched with the adapter.

8. The stroller of claim 1, wherein a first wheel is provided on a bottom of the front foot assembly and a second wheel is provided on a bottom of the rear foot assembly.

9. The stroller of claim 8, wherein the first wheel is one or two.

10. The stroller of claim 1, wherein the handlebar assembly is foldable or retractable.

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