CN218558941U

CN218558941U - Children's barrow

Info

Publication number: CN218558941U
Application number: CN202222506765.5U
Authority: CN
Inventors: 张兴荣
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-03-03
Anticipated expiration: 2032-09-21

Abstract

The utility model discloses a children's shallow, including the shallow frame, the shallow frame includes the fore-stock, the after-poppet, the side handrail, push rod assembly, the seat pole, first connecting rod, second connecting rod and third connecting rod, the upper portion of fore-stock and the lower part pivotal connection of side handrail, push rod assembly's lower part and the upper portion pivotal connection of side handrail, the anterior upper portion of seat pole and the upper portion of fore-stock or the lower part pivotal connection of side handrail, the upper portion of after-poppet rotates and establishes on the seat pole with sliding, a tip of first connecting rod and push rod assembly's lower part pivotal connection, another tip and the after-poppet pivotal connection of first connecting rod, the rear portion pivotal connection of first connecting rod and seat pole, a tip and the rear portion pivotal connection of seat pole of second connecting rod, the after-poppet rotates and sliding connection with the second connecting rod, another tip of third connecting rod and another tip pivotal connection of second connecting rod, another tip and the lower part pivotal connection of fore-poppet of third connecting rod. This children's shallow folding operation is convenient, and folding back structure volume is less.

Description

Children's barrow

Technical Field

The utility model relates to a children's articles for use technical field, concretely relates to children's shallow.

Background

The child stroller is generally used when adults carry children out, and the child stroller can be folded for bringing convenience to carrying and storage of the child stroller. The stroller comprises a stroller frame with an unfolding state and a folding state, and when the rod pieces forming the stroller frame are different, the connection modes are different, so that the folding principle and the folding effect of the stroller are different. In the prior art, the problems of complex structure, inconvenient folding and large volume after folding exist in part of the child stroller.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a children's shallow to not enough among the prior art, this children's shallow folding convenient operation, and folding back structure volume is less.

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

a stroller comprising a stroller frame having an expanded state and a collapsed state, a front wheel assembly disposed at a bottom front portion of the stroller frame, and a rear wheel assembly disposed at a bottom rear portion of the stroller frame, the stroller frame comprising:

the front wheel assembly is arranged at the lower part of the front bracket;

the rear wheel assembly is arranged at the lower part of the rear bracket;

the upper part of the front bracket is pivotally connected with the lower part of the side armrest;

the lower part of the push rod component is pivotally connected with the upper part of the side armrest;

a seat post, a front end portion of which is pivotally connected to an upper portion of the front bracket or a lower portion of the side rail, and an upper portion of the rear bracket is rotatably and slidably provided on the seat post;

a first link, one end of which is pivotally connected to the lower part of the push rod assembly, the other end of which is pivotally connected to the rear bracket, and which is pivotally connected to the rear part of the seat post;

one end of the second connecting rod is pivotally connected with the rear part of the seat rod, and the rear bracket is rotationally and slidably connected with the second connecting rod;

and one end of the third link is pivotally connected with the other end of the second link, and the other end of the third link is pivotally connected with the lower part of the front bracket.

Preferably, the stroller frame further comprises a first sliding part, the first sliding part is slidably disposed on the seat post along the length extension direction of the seat post, and the upper part of the rear bracket is pivotally connected with the first sliding part.

Preferably, the stroller frame further comprises a second sliding member, the second sliding member is slidably disposed on the second link along a length extending direction of the second link, and the rear bracket is pivotally connected to the second sliding member.

Preferably, the side armrests, the first connecting rods, the second connecting rods and the third connecting rods are respectively arranged on the left side and the right side of the stroller frame, when the stroller frame is in the unfolded state, the side armrests on the left side and the right side are all located above the seat post, the side armrests on each side are all located on the outer side of the corresponding side of the seat post, the first connecting rods on the left side and the right side are all located at the rear portion of the seat post, and the second connecting rods and the third connecting rods on the left side and the right side are all located below the seat post.

Preferably, the upper portion of the front bracket, the lower portion of the side rail and the front portion of the seat post are pivotally connected coaxially, and/or the rear portion of the seat post, and one end portion of the first link and the second link are pivotally connected coaxially.

Further, when the stroller frame is in the unfolded state, on the seat post, the joints of the front bracket and the side rail with the seat post, the joints of the rear bracket with the seat post, and the joints of the first link and the second link with the seat post are sequentially arranged from front to rear.

Preferably, when the stroller frame is in the unfolded state, the second link is provided with a connection point of the second link and the third link, a connection point of the second link and the rear bracket, and a connection point of the second link and the seat bar in sequence from front to rear.

Preferably, when the stroller frame is in the unfolded state, the connection between the rear bracket and the seat rod, the connection between the rear bracket and the second connecting rod, and the connection between the rear bracket and the first connecting rod are sequentially arranged on the rear bracket from top to bottom.

Preferably, when the stroller frame is in the unfolded state, the connection between the push rod assembly and the side armrest is located above the connection between the push rod assembly and the first connecting rod on the push rod assembly.

Preferably, the stroller frame further comprises a first sliding member slidably disposed on the seat post along a length extending direction of the seat post and a second sliding member slidably disposed on the second link along a length extending direction of the second link, an upper portion of the rear bracket is pivotally connected to the first sliding member and the second sliding member respectively, when the stroller frame is in the unfolded state, the first sliding member is close to a rear end portion of the seat post, the second sliding member is close to a rear end portion of the second link, when the stroller frame is in the folded state, the first sliding member is close to an upper end portion of the seat post, and the second sliding member is close to an upper end portion of the second link.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a children's shallow is when folding, as long as make push rod assembly rotate to the fore-stock direction, can order about the relative fore-stock of side handrail and rotate downwards, order about the after-poppet through first connecting rod and drive first slider and the equal forward motion of second slider, order about the fore-stock backward rotation through the third connecting rod and draw close with the after-poppet to realize children's shallow folding operation, this children's shallow folding easy operation, folding back compact structure, small, portable and deposit.

Drawings

Fig. 1 is a perspective view of the stroller of this embodiment in a deployed state;

fig. 2 is a schematic side view of the stroller of the present embodiment in a deployed state;

FIG. 3 is an exploded view of the stroller of the present embodiment;

fig. 4 is a schematic perspective view of the stroller in the folding process according to the embodiment;

FIG. 5 is a schematic side view of the stroller of this embodiment during folding;

fig. 6 is a perspective view of the stroller of this embodiment in a folded state;

fig. 7 is a side view of the stroller of this embodiment in a collapsed position.

Wherein: 11. a front bracket; 12. a rear bracket; 13. a side arm rest; 14. a push rod assembly; 141. a push rod is arranged; 142. a lower push rod; 15. a seat post; 16. a first link; 17. a second link; 18. a third link; 191. a first slider; 192. a second slider; 21. a first shaft; 22. a second shaft; 23. a third axis; 24. a fourth axis; 25. a fifth shaft; 26. a sixth axis; 27. a seventh axis; 28. an eighth axis; 29. a ninth axis; 3. a front wheel assembly; 4. a rear wheel assembly.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 7, the stroller of the present invention includes a stroller frame having an unfolded state and a folded state, a front wheel assembly 3 disposed at a bottom front portion of the stroller frame, and a rear wheel assembly 4 disposed at a bottom rear portion of the stroller frame.

The stroller frame includes a front bracket 11, a rear bracket 12, a side rail 13, a push rod assembly 14, a seat rod 15, a first link 16, a second link 17, and a third link 18.

The front wheel assembly 3 is disposed at a lower portion of the front bracket 11, and the rear wheel assembly 4 is disposed at a lower portion of the rear bracket 12. The upper portion of the front bracket 11 is pivotally connected to the lower portion of the side rail 13. The lower portion of the push rod assembly 14 is pivotally connected to the upper portion of the side arm rest 13 by a first shaft 21. The front end of the seat post 15 is pivotally connected to the upper portion of the front bracket 11 or the lower portion of the side rail 13, and the upper portion of the rear bracket 12 is rotatably and slidably provided on the seat post 15. One end of the first link 16 is pivotally connected to the lower portion of the push rod assembly 14 by a second shaft 22, the other end of the first link 16 is pivotally connected to the rear bracket 12 by a third shaft 23, and the first link 16 is pivotally connected to the rear portion of the seat bar 15. One end of the second link 17 is pivotally connected to the rear portion of the seat bar 15, and the rear bracket 12 is pivotally and slidably connected to the second link 17. One end portion of the third link 18 is pivotally connected to the other end portion of the second link 17 by an eighth shaft 28, and the other end portion of the third link 18 is pivotally connected to the lower portion of the front bracket 11 by a ninth shaft 29.

Specifically, the stroller frame further includes a first sliding member 191, the first sliding member 191 is slidably disposed on the seat bar 15 along a length extending direction of the seat bar 15, and an upper portion of the rear bracket 12 is pivotally connected to the first sliding member 191 through a fourth shaft 24.

In this embodiment, the first sliding member 191 is in the form of a sliding sleeve, which is sleeved on the seat post 15 and can slide along the length extending direction of the seat post 15.

The stroller frame further includes a second slider 192, the second slider 192 is slidably disposed on the second link 17 along the length extension direction of the second link 17, and the upper portion of the rear bracket 12 is pivotally connected to the second slider 192 via the fifth shaft 25.

In this embodiment, the second sliding member 192 is also in the form of a sliding sleeve, which is sleeved on the second connecting rod 17 and can slide along the length extending direction of the second connecting rod 17.

In this embodiment, the upper portion of the front bracket 11, the lower portion of the side rail 13, and the front portion of the seat post 15 are coaxially and pivotally connected by a sixth shaft 26. The rear portion of the seatpost 15, the first link 16 and one end portion of the second link 17 are coaxially and pivotally connected by a seventh shaft 27.

Thus, a four-bar linkage is formed among the push rod assembly 14, the side arm rest 13, the seat lever 15, and the first link 16, a four-bar linkage is also formed among the front bracket 11, the seat lever 15, the second link 17, and the third link 18, a crank slider mechanism is formed among the rear bracket 12, the first link 16, the seat lever 15, and the first slider 191, and a crank slider mechanism is also formed among the rear bracket 12, the first link 16, the second link 17, and the second slider 192. Therefore, when the stroller is unfolded and folded, as long as the push rod assembly 14 is actuated, other components can be actuated to correspondingly actuate through the two four-bar linkages and the two slider-crank mechanisms, so that the folding and unfolding operations of the stroller are realized, and the folding and unfolding operations of the stroller are convenient.

In the present embodiment, the push rod assembly 14 includes an upper push rod 141 and a lower push rod 142, and a lower portion of the upper push rod 141 is pivotally connected to an upper portion of the lower push rod 142. The lower portion of the lower push rod 142 is pivotally connected to the upper portion of the side arm rest 13 via a first shaft 21, and one end portion of the first link 16 is pivotally connected to the lower portion of the lower push rod 142 via a second shaft 22.

The side arm rests 13, the first link 16, the second link 17, and the third link 18 are respectively provided on the left and right sides of the stroller frame. When the stroller is in the unfolded state, the front frame 11, the side arm rests 13 and the push rod assembly 14 are all inclined upwards from front to back, the rear frame 12 is inclined downwards from front to back, the seat rod 15 is extended along the horizontal direction, or inclined downwards from front to back, the side arm rests 13 on both sides are all located above the seat rod 15, and the side arm rests 13 on each side are all located on the outer side of the corresponding side of the seat rod 15. The first links 16 on both sides extend in the up-down direction, and are located at the rear of the seat post 15. The second link 17 and the third link 18 on both sides extend obliquely upward from front to back, and are located below the seatpost 15, as shown in fig. 1 and 2. Thus, no other part is arranged in the space formed above the seat post 15 for the child to sit on, so that the space for the child to sit on is larger, and the comfort is better.

When the stroller is in the unfolded state, the first shaft 21 is positioned above the second shaft 22 on the lower push rod 142. On the seat post 15, a sixth shaft 26, a fourth shaft 24, and a seventh shaft 27 are arranged in this order from front to rear, and a first slider 191 is located between the sixth shaft 26 and the seventh shaft 27, and is disposed near the seventh shaft 27, that is, near the rear end portion of the seat post 15. On the rear bracket 12, a fourth shaft 24, a fifth shaft 25 and a third shaft 23 are sequentially provided from top to bottom. On the second link 17, the eighth shaft 28, the fifth shaft 25 and the seventh shaft 27 are arranged in this order from front to rear, and the second slider 192 is located between the eighth shaft 28 and the seventh shaft 27 and is arranged near the seventh shaft 27, i.e., near the rear end portion of the second link 17, as shown in fig. 1 and 2.

When the stroller is folded from the unfolded state, the upper push rod 141 is rotated to be close to the lower push rod 142. The push rod assembly 14 is rotated forwardly and downwardly as a whole about the first axis 21 so that the side arm rests 13 and the seat post 15 are both rotated downwardly about the sixth axis 26 relative to the front bracket 11. The first link 16 drives the rear bracket 12 to move the first sliding member 191 forward and upward relative to the seat post 15, and the second link 192 moves forward and upward relative to the second link 17. The second link 17 and the third link 18 are rotated relatively, the eighth shaft 28 is moved upward, and the third link 18 drives the front bracket 11 to rotate backward around the sixth shaft 26 to close the rear bracket 12. The folding process is illustrated in fig. 4 and 5. Until all the parts forming the frame of the stroller are closely closed together, thereby realizing the folding operation of the stroller. In the folding process of the whole children's cart, the front wheel assembly 3 and the rear wheel assembly 4 are always supported on the ground, so that the folding operation of the children's cart is convenient.

When the stroller is in the folded state, as shown in fig. 6 and 7, the front frame 11, the rear frame 12, the side arm rests 13, the push rod assembly 14, the seat bar 15, the first link 16, the second link 17, and the third link 18 all extend in the up-down direction, the first slider 191 is disposed near the upper end of the seat bar 15, i.e., near the sixth shaft 26, and the second slider 192 is disposed near the upper end of the second link 17, i.e., near the eighth shaft 28. In the front-rear direction, the rear support 12, the side armrests 13, the seat rod 15, the first connecting rod 16, the second connecting rod 17 and the third connecting rod 18 are basically accommodated between the front support 11 and the push rod assembly 14, so that the folded stroller has smaller sizes in the front-rear direction and the height direction, and the stroller has a compact structure, small volume and is convenient to carry and store. And the folded stroller can stand on the ground and is convenient to store.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a children's shallow, is in including the shallow frame that has expansion state and fold condition, setting the anterior front wheel subassembly in the end of shallow frame and setting are in the rear wheel subassembly at the end rear portion of shallow frame, its characterized in that: the cart frame includes:

the front wheel assembly is arranged at the lower part of the front bracket;

the rear wheel assembly is arranged at the lower part of the rear bracket;

one end of the first connecting rod is pivotally connected with the lower part of the push rod component, the other end of the first connecting rod is pivotally connected with the rear bracket, and the first connecting rod is pivotally connected with the rear part of the seat post;

2. The stroller of claim 1, wherein: the stroller frame further comprises a first sliding piece, the first sliding piece can be arranged on the seat post in a sliding mode along the length extension direction of the seat post, and the upper portion of the rear support is connected with the first sliding piece in a pivoting mode.

3. The stroller of claim 1, wherein: the cart frame further comprises a second sliding piece, the second sliding piece can be arranged on the second connecting rod in a sliding mode along the length extending direction of the second connecting rod, and the rear support is connected with the second sliding piece in a pivoting mode.

4. The stroller of claim 1, wherein: the side handrail, the first connecting rod, the second connecting rod and the third connecting rod are respectively arranged on the left side and the right side of the cart frame, when the cart frame is in an unfolded state, the side handrails on the left side and the right side are both positioned above the seat rod, the side handrail on each side is positioned on the outer side of the corresponding side of the seat rod, the first connecting rod on the left side and the right side is both positioned at the rear part of the seat rod, and the second connecting rod and the third connecting rod on the left side and the right side are both positioned below the seat rod.

5. The stroller of claim 1, wherein: the upper part of the front bracket, the lower part of the side armrest and the front part of the seat post are coaxially and pivotally connected, and/or the rear part of the seat post, one end part of the first connecting rod and one end part of the second connecting rod are coaxially and pivotally connected.

6. The stroller of claim 5, wherein: when the stroller frame is in the unfolded state, on the seat post, the joints of the front support and the side armrests with the seat post, the joints of the rear support and the seat post, and the joints of the first connecting rod and the second connecting rod with the seat post are sequentially arranged from front to back.

7. The stroller of claim 1, wherein: when the cart frame is in the unfolded state, on the second connecting rod, the joint of the second connecting rod and the third connecting rod, the joint of the second connecting rod and the rear support and the joint of the second connecting rod and the seat rod are sequentially arranged from front to back.

8. The stroller of claim 1, wherein: when the cart frame is in the unfolding state, the rear support is arranged on the rear support, and the joint of the rear support and the seat rod, the joint of the rear support and the second connecting rod, and the joint of the rear support and the first connecting rod are sequentially arranged from top to bottom.

9. The stroller of claim 1, wherein: when the cart frame is in the unfolded state, the connection position of the push rod assembly and the side handrail is positioned above the connection position of the push rod assembly and the first connecting rod on the push rod assembly.

10. The stroller of claim 1, wherein: the shallow frame still includes to follow the length extending direction of seat post sets up with sliding the first slider on the seat post with can follow the length extending direction of second connecting rod sets up with sliding the second slider on the second connecting rod, the upper portion of after-poppet respectively with first slider with second slider pivotal connection, work as when the shallow frame is in the expansion state, first slider is close to the rear end of seat post sets up, the second slider is close to the rear end setting of second connecting rod, works as when the shallow frame is in fold condition, first slider is close to the upper end setting of seat post, the second slider is close to the upper end setting of second connecting rod.