CN216424527U

CN216424527U - Children's barrow

Info

Publication number: CN216424527U
Application number: CN202122576169.XU
Authority: CN
Inventors: 唐鸣
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-05-03
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses a children's shallow, including the shallow frame, the shallow frame includes push rod assembly, bar and seat pole, push rod assembly's lower part, two parts in the upper portion of bar and the rear portion three part of seat pole rotate to be connected, any part in third part and the aforementioned two parts rotates to be connected, perhaps the coaxial rotation of above-mentioned three part is connected, when children's shallow is in the expansion state, at push rod assembly, the junction of bar and seat pole, the bar is by the centre gripping between push rod assembly and seat pole, and the bar cooperatees with push rod assembly and seat pole respectively, when children's shallow is folding, push rod assembly rotates the cooperation that makes between push rod assembly and the bar and is thrown off. The fixing mode of the grab bar of the baby stroller is simple, the push rod assembly rotates to remove the locking of the grab bar in the folding process of the baby stroller, independent operation is not needed, the grab bar can rotate to be close to the stroller frame, and the folding operation of the baby stroller is very convenient.

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 provides great convenience for adults to carry small children for outdoor activities, so that the child stroller gradually becomes a necessity for adults to carry children for outdoor activities. In order to facilitate the carrying and storage of the stroller, the stroller frame of the stroller can be folded.

The stroller generally includes a push rod assembly and a handle bar disposed on the push rod assembly, wherein the handle bar is rotatably connected to the push rod assembly. When the stroller is used in an unfolded state, the relative positions of the grab bar and the push rod assembly need to be locked through the locking mechanism, and when the stroller needs to be folded, the locking mechanism needs to be unlocked, so that the grab bar can rotate relative to the push rod assembly to be close to other rods of the stroller frame. In the prior art, the locking mechanism is complex in structure and needs to be operated independently to unlock the locking mechanism, so that the folding operation of the baby stroller is inconvenient and the baby stroller is inconvenient to use.

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 is when the expansion state, and the position of bar is fixed through seat pole and push rod assembly, and after children's shallow folding push rod assembly rotated, the bar can rotate and fold.

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

the utility model provides a children's shallow, has expansion and fold condition, children's shallow includes the shallow frame, the shallow frame includes push rod subassembly, bar and seat pole, push rod subassembly's lower part the upper portion of bar with two parts in the three part in rear portion of seat pole rotate to be connected, and any part in third part and the aforementioned two parts rotates to be connected, perhaps the coaxial rotation of above-mentioned three part is connected, works as when children's shallow is in the expansion state push rod subassembly the bar with the junction of seat pole, the bar by the centre gripping in push rod subassembly with between the seat pole, just the bar respectively with push rod subassembly with the seat pole cooperatees, works as when children's shallow is folding, push rod subassembly rotates and makes push rod subassembly with cooperation between the bar is thrown off.

Preferably, the bar orientation one side of push rod subassembly is provided with first spacing face, the push rod subassembly orientation one side of bar is provided with first fitting surface, the bar orientation one side of seat pole is provided with the spacing face of second, the seat pole orientation one side of bar is provided with the second fitting surface, works as when the children's shallow is in the expansion state, first spacing face with the cooperation is established in first fitting surface counterbalance, the spacing face of second with the cooperation is established in second fitting surface counterbalance, works as the children's shallow is folding when the push rod subassembly rotates, first spacing face with cooperation between the first fitting surface is thrown off.

Further, be provided with first concave part on the grab bar with two parts of push rod assembly, be provided with first convex part on another part, first convex part is located in the first concave part, first spacing face with one of two first fitting surfaces is a side of first concave part, another is a side of first convex part, the grab bar with be provided with the second concave part on one of two parts of seat pole, be provided with the second convex part on another part, the second convex part is located in the second concave part, the spacing face of second with one of two second fitting surfaces is a side of second concave part, another is a side of second convex part.

Further, the first concave portion, the first convex portion, the second concave portion, and the second convex portion each have two opposite side surfaces, and when the stroller is in the unfolded state, a gap is provided between the other side surface of the first concave portion and the other side surface of the first convex portion, and a gap is provided between the other side surface of the second concave portion and the other side surface of the second convex portion.

Furthermore, the first concave part and the second concave part are arranged on the grab rail, the first concave part and the second concave part are arranged in a staggered mode, an overlapping part is arranged on a projection plane perpendicular to the rotation axis of the grab rail, and the first limiting surface and the second limiting surface are respectively located on two opposite side faces of the overlapping part.

Further, when the stroller is in the unfolded state, the armrest rod is supported in front of the push rod, and when the stroller is folded, the push rod assembly rotates forwards to enable the first limiting surface to be disengaged from the first matching surface.

Preferably, the lower part of the push rod assembly, the upper part of the grab bar and the rear part of the seat bar are coaxially and rotatably connected through a first shaft.

Preferably, after the matching between the push rod assembly and the grab bar is disengaged, the grab bar rotates downwards under the action of self gravity to be close to the frame of the cart.

Preferably, the cart frame further comprises a front bracket, a rear bracket, a seat rod connecting rod, a front connecting rod and a rear connecting rod, two parts of the three parts of the upper part of the front bracket, the upper part of the rear bracket and the lower part of the push rod assembly are rotationally connected, the third part is rotationally connected with any one part of the two parts, or the three components are coaxially and rotatably connected, the front part of the front connecting rod is rotatably connected with the front bracket, the rear part of the rear connecting rod is rotationally connected with the rear bracket, the rear part of the front connecting rod is rotationally connected with the front part of the rear connecting rod, the rear part of the seat rod is rotationally connected with the lower part of the push rod component, the upper part of the seat rod connecting rod is rotationally connected with the seat rod, the lower part of the seat rod connecting rod can be rotatably and slidably arranged on the front connecting rod, and the seat rod connecting rod is rotatably connected with the front support.

Furthermore, the cart frame further comprises a sliding piece, the sliding piece can be arranged on the front connecting rod in a sliding mode along the length extension direction of the front connecting rod, and the lower portion of the seat rod connecting rod is connected with the sliding piece in a rotating mode.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: when the baby carriage is in an unfolded state, the handrail rod is clamped between the seat rod and the push rod component, so that the position of the handrail rod is fixed and can not rotate through the seat rod and the push rod component; and after the children's shallow is folding, push rod assembly rotated, can remove push rod assembly to the restraint of bar, the bar can rotate and fold, and this children's shallow bar fixed mode is simple, need not the independent operation and can make the bar remove the locking to rotate and draw close with the shallow frame, make this children's shallow folding operation very convenient, make things convenient for the use of children's shallow.

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 this embodiment at the connection portion of the push rod assembly, the grab bar and the seat bar;

FIG. 4 is a second exploded view of the stroller of this embodiment at the connection portion of the push rod assembly, the grab bar and the seat bar;

fig. 5 is a schematic perspective view of the stroller of the embodiment during folding;

FIG. 6 is a schematic side view of the stroller of this embodiment during folding;

fig. 7 is a perspective view of the stroller of this embodiment in a folded state;

fig. 8 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 push rod assembly; 131. a first convex portion; 131a, a first mating surface; 13a, a push-down lever; 13b, an upper push rod; 14. a seat post; 141. a second convex portion; 141a, a second mating surface; 15. a seat post link; 16. a front link; 17. a rear connecting rod; 18. a grab rail; 181. a first recess; 181a first limit surface; 182. a second recess; 182a second limiting surface; 19. a slider; 21. a first shaft; 22. a second shaft; 23. a third axis; 30. a front wheel assembly; 40. 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. 1-8, the stroller of the present invention comprises a stroller frame having an unfolded and folded state, a front wheel assembly 30 disposed at the front part of the bottom of the stroller frame, and a rear wheel assembly 40 disposed at the rear part of the bottom of the stroller frame.

The stroller frame includes a front bracket 11, a rear bracket 12, a push rod assembly 13, a seat post 14, a seat post link 15, a front link 16, a rear link 17, and a grab bar 18.

The front bracket 11 is used to mount the front wheel assembly 30. The rear bracket 12 is used to mount the rear wheel assembly 40. Two of the three components of the upper part of the front bracket 11, the upper part of the rear bracket 12 and the lower part of the push rod assembly 13 are rotatably connected, and the third component is rotatably connected with any one of the two components, or the three components are coaxially and rotatably connected.

Two of the three parts of the lower portion of the push rod assembly 13, the rear portion of the seat post 14 and the rear portion of the rest bar 18 are rotatably connected, and the third part is rotatably connected to either of the two parts, or the three parts are coaxially rotatably connected.

The front portion of the front link 16 is rotatably connected to the front bracket 11, the rear portion of the rear link 17 is rotatably connected to the rear bracket 12, and the rear portion of the front link 16 is rotatably connected to the front portion of the rear link 17. One end of the seat link 15 is rotatably connected to the seat lever 14, the other end of the seat link 15 is rotatably and slidably provided on the front link 16, and the seat link 15 is rotatably connected to the front bracket 11.

The stroller frame further includes a slider 19 slidably provided on the front link 16 in a longitudinal extending direction of the front link 16, and the other end of the seat link 15 is rotatably connected to the slider 19.

In this embodiment, the lower portion of the push rod assembly 13, the rear portion of the seat bar 14 and the rear portion of the grab bar 18 are coaxially and rotatably connected by a first shaft 21, the upper portion of the front bracket 11 and the lower portion of the push rod assembly 13 are rotatably connected by a second shaft 22, and the upper portion of the rear bracket 12 and the upper portion of the front bracket 11 are rotatably connected by a third shaft 23.

When the stroller is in the unfolded state, the second shaft 22 is located below the first shaft 21, and the third shaft 23 is located below the second shaft 22. The rotary connection part of the seat rod connecting rod 15 and the seat rod 14, the rotary connection part of the seat rod connecting rod 15 and the front bracket 11 and the rotary connection part of the seat rod connecting rod 15 and the sliding part 19 are arranged from top to bottom in sequence.

Thus, a four-bar linkage is formed between the front bracket 11, the rear bracket 12, the front link 16, and the rear link 17, a four-bar linkage is formed between the seatpost 14, the seatpost link 15, the front bracket 11, and the push rod assembly 13, and a crank-slider mechanism is formed between the front bracket 11, the seatpost link 15, the slider 19, and the front link 16.

The push rod assembly 13 includes a lower push rod 13a having a lumen extending in a length direction thereof, and an upper push rod 13b provided slidably in the length extending direction of the lumen of the lower push rod 13 a. The upper part of the front bracket 11 is rotatably connected with the lower part of the lower push rod 13a through a second shaft 22, and the lower part of the lower push rod 13a, the rear part of the seat post 14 and the rear part of the grab bar 18 are coaxially and rotatably connected through a first shaft 21.

Of course, the cart frame is not limited to the specific structure in the above embodiment, and other structures may be adopted.

The child stroller further comprises a locking mechanism for locking the positions of the two four-bar linkages and the slider-crank mechanisms, the locking mechanism can be arranged between any two movably connected components of the two four-bar linkages and the slider-crank mechanisms, and when the locking mechanism is in a locking state, the positions of the front support 11, the rear support 12, the push rod assembly 13, the seat rod 14, the seat rod connecting rod 15, the front connecting rod 16, the rear connecting rod 17 and the sliding piece 19 are locked through the locking mechanism. When the locking mechanism is unlocked, the front bracket 11, the rear bracket 12, the push rod assembly 13, the seat rod 14, the seat rod connecting rod 15, the front connecting rod 16, the rear connecting rod 17 and the sliding piece 19 can move relatively, so that the baby stroller is folded.

When the stroller is in the unfolded state and the locking mechanism is in the locked state, the grab bar 18 is clamped between the push rod assembly 13 and the seat bar 14 and respectively cooperates with the push rod assembly 13 and the seat bar 14, so that the position of the grab bar 18 is also fixed and cannot rotate. After the locking mechanism is unlocked, when the push rod assembly 13 rotates and folds, the matching between the push rod assembly 13 and the handrail rod 18 can be disengaged, so that the limit of the push rod assembly 13 and the seat rod 14 to the handrail rod 18 is released, and the handrail rod 18 can rotate downwards under the action of self gravity to be close to the front support 11.

As shown in fig. 3 and 4, a first limit surface 181a is disposed on a side of the rest bar 18 facing the push rod assembly 13, and a first engagement surface 131a is disposed on a side of the push rod assembly 13 facing the rest bar 18. The side of the grab bar 18 facing the seat post 14 is provided with a second limit surface 182a, and the side of the seat post 14 facing the grab bar 18 is provided with a second matching surface 141 a. When the stroller is in the unfolded state, the first limiting surface 181a abuts against and is matched with the first matching surface 131a, and the second limiting surface 182a abuts against and is matched with the second matching surface 141a, so that the grab bar 18 is clamped between the push rod assembly 13 and the seat bar 14 and cannot rotate. When the foldable push rod assembly 13 of the stroller rotates, the first limiting surface 181a is disengaged from the first engaging surface 131a, i.e., the restraint of the push rod assembly 13 on the grab bar 18 is released, the second limiting surface 182a is disengaged from the second engaging surface 141a, and the grab bar 18 can rotate.

Specifically, one of the two parts, i.e., the grab bar 18 and the push rod assembly 13, is provided with a first recess 181, the other part is provided with a first protrusion 131, the first recess 181 and the first protrusion 131 both have two oppositely disposed side surfaces, the first protrusion 131 is located in the first recess 181, one of the first limiting surface 181a and the first mating surface 131a is a side surface of the first recess 181, the other is a side surface of the first protrusion 131, i.e., the side surface of the first recess 181 is abutted against the side surface of the first protrusion 131, and a gap is formed between the other side surface of the first recess 181 and the other side surface of the first protrusion 131.

One of the grab bar 18 and the seat bar 14 is provided with a second concave part 182, the other part is provided with a second convex part 141, the second concave part 182 and the second convex part 141 both have two oppositely-arranged side surfaces, the second convex part 141 is positioned in the second concave part 182, one of a second limiting surface 182a and a second matching surface 141a is a side surface of the second concave part 182, the other is a side surface of the second convex part 141, namely, one side surface of the second concave part 182 is abutted against one side surface of the second convex part 141, and a gap is formed between the other side surface of the second concave part 182 and the other side surface of the second convex part 141.

In this embodiment, the first recess 181 and the second recess 182 are both disposed on the rest bar 18, the first protrusion 131 is disposed on the push rod assembly 13, and the second protrusion 141 is disposed on the seat bar 14. The first stopper surface 181a is a front side surface of the first recess 181, the first engaging surface 131a is a rear side surface of the first protrusion 131, the second stopper surface 182a is a rear side surface of the second recess 182, and the second engaging surface 141a is a front side surface of the second protrusion 141. The first recessed portion 181 and the second recessed portion 182 are disposed in a staggered manner, and have overlapping portions on a projection plane perpendicular to the rotation axis of the grab bar 18, and the first stopper surface 181a and the second stopper surface 182a are opposite side surfaces of the overlapping portions, respectively.

When the stroller is in the unfolded state, the locking mechanism is in the locked state, the rest bar 18 is fixed between the push bar assembly 13 and the seat bar 14, and the rest bar 18 is positioned in front of the push bar assembly 13, as shown in fig. 1 and 2.

When the child stroller is folded, the upper push rod 13b slides downwards to be close to the lower push rod 13a, so that the locking mechanism is unlocked; the push rod assembly 13 rotates forwards and downwards to be close to the front support 11, when the push rod assembly 13 rotates forwards, the first limiting surface 181a is disengaged from the first matching surface 131a, and the grab bar 18 can rotate downwards under the action of self gravity; when the push rod assembly 13 rotates, the seat rod 14 rotates downwards, the seat rod connecting rod 15 drives the sliding piece 19 to slide backwards along the front connecting rod 16, the rear connecting rod 17 drives the rear bracket 12 to rotate forwards to be close to the front bracket 11, the folding process is shown in fig. 5 and 6, until all the components forming the frame of the cart are close to each other, and finally the folding process is shown in fig. 7 and 8.

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 has expansion and fold condition, children's shallow includes the shallow frame, the shallow frame includes push rod assembly, bar and seat pole, its characterized in that: the lower part of push rod subassembly the upper portion of bar with two parts rotate in the three part in rear portion of seat pole and are connected, and the third part rotates with any one part in the aforesaid two parts and is connected, perhaps the coaxial rotation of above-mentioned three part is connected, works as when the children's shallow is in the state of expanding the push rod subassembly the bar with the junction of seat pole, the bar by the centre gripping in push rod subassembly with between the seat pole, just the bar respectively with push rod subassembly with the seat pole cooperatees, works as when the children's shallow is folding, push rod subassembly rotates and makes push rod subassembly with cooperation between the bar is disengaged.

2. The stroller of claim 1, wherein: the utility model discloses a children's shallow, including push rod subassembly, handrail pole, seat pole, the children's shallow is folding when push rod subassembly rotates, first spacing face with cooperation between the first fitting surface is thrown off.

3. The stroller of claim 2, wherein: the utility model discloses a seat bar, including seat bar, grab bar, push rod subassembly, handrail pole and first convex part, be provided with first concave part on the grab bar with be provided with first convex part on one of two parts of push rod subassembly, first convex part is located in the first concave part, first spacing face with one of two first fitting surfaces does a side of first concave part, another does a side of first convex part, the grab bar with be provided with the second concave part on one of two parts of seat bar, be provided with the second convex part on another part, the second convex part is located in the second concave part, the spacing face of second with one of two second fitting surfaces does a side of second concave part, another does a side of second convex part.

4. The stroller of claim 3, wherein: the first concave portion, the first convex portion, the second concave portion and the second convex portion are provided with two opposite side surfaces, when the stroller is in a unfolded state, a gap is formed between the other side surface of the first concave portion and the other side surface of the first convex portion, and a gap is formed between the other side surface of the second concave portion and the other side surface of the second convex portion.

5. The stroller of claim 3, wherein: the first concave portion and the second concave portion are arranged on the grab rail, the first concave portion and the second concave portion are arranged in a staggered mode, an overlapping portion is arranged on a projection plane perpendicular to the rotation axis of the grab rail, and the first limiting face and the second limiting face are located on two opposite side faces of the overlapping portion respectively.

6. The stroller of claim 2, wherein: when the stroller is in an unfolded state, the armrest rod is supported in front of the push rod, and when the stroller is folded, the push rod assembly rotates forwards to enable the first limiting surface to be disengaged from the first matching surface.

7. The stroller of claim 1, wherein: the lower part of the push rod assembly, the upper part of the handrail rod and the rear part of the seat rod are coaxially and rotatably connected through a first shaft.

8. The stroller of claim 1, wherein: when the push rod assembly is disengaged from the grab bar, the grab bar rotates downwards under the action of self gravity to be close to the frame of the cart.

9. The stroller of claim 1, wherein: the cart frame further comprises a front support, a rear support, a seat rod connecting rod, a front connecting rod and a rear connecting rod, two of the three parts of the upper part of the front support, the upper part of the rear support and the lower part of the push rod assembly are rotatably connected, the third part is rotatably connected with any one of the two parts, or the three components are coaxially and rotatably connected, the front part of the front connecting rod is rotatably connected with the front bracket, the rear part of the rear connecting rod is rotationally connected with the rear bracket, the rear part of the front connecting rod is rotationally connected with the front part of the rear connecting rod, the rear part of the seat rod is rotationally connected with the lower part of the push rod component, the upper part of the seat rod connecting rod is rotationally connected with the seat rod, the lower part of the seat rod connecting rod can be arranged on the front connecting rod in a rotating and sliding mode, and the seat rod connecting rod is connected with the front support in a rotating mode.

10. The stroller of claim 9, wherein: the trolley frame further comprises a sliding piece, the sliding piece can be arranged on the front connecting rod in a sliding mode along the length extending direction of the front connecting rod, and the lower portion of the seat rod connecting rod is connected with the sliding piece in a rotating mode.