CN219056351U - Child cart - Google Patents
Child cart Download PDFInfo
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- CN219056351U CN219056351U CN202223179653.XU CN202223179653U CN219056351U CN 219056351 U CN219056351 U CN 219056351U CN 202223179653 U CN202223179653 U CN 202223179653U CN 219056351 U CN219056351 U CN 219056351U
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- connecting rod
- stroller
- bracket
- pivotally connected
- push rod
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Abstract
The utility model discloses a children's barrow, which comprises a barrow frame, wherein the barrow frame comprises a front support, a rear support, a push rod assembly, a side support, an upper connecting rod, a front connecting rod and a rear connecting rod, the upper part of the side support is pivotally connected with the lower part of the push rod assembly, the lower part of the side support, the upper part of the front support and the upper part of the rear support are pivotally connected, a third party is pivotally connected with any one of the two or the three, the upper end part of the upper connecting rod is pivotally connected with the lower part of the push rod assembly, the lower end part of the upper connecting rod is pivotally connected with the rear support, the front end part of the front connecting rod is pivotally connected with the front support, the front end part of the rear connecting rod is pivotally connected with the rear end part of the front connecting rod, and the rear end part of the rear connecting rod can be pivotally and slidably arranged on the upper connecting rod. The folding baby stroller has compact structure and small volume.
Description
Technical Field
The utility model relates to the technical field of children products, in particular to a child trolley.
Background
The children's barrow is generally used when adult carries children out, and children's barrow generally includes the barrow frame, sets up the front wheel subassembly at the bottom front portion of barrow frame and sets up the rear wheel subassembly at the bottom rear portion of barrow frame. In order to facilitate carrying and storage of the child stroller, the stroller frame is generally foldable. In the prior art, the structure of a part of children's barrows after folding is large in size, and the children's barrows are inconvenient to carry and store.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a compact-structure small-size child stroller after being folded.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
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;
a push rod assembly;
a side bracket, the upper part of the side bracket is pivotally connected with the lower part of the push rod assembly, the lower part of the side bracket, the upper part of the front bracket and the upper part of the rear bracket are pivotally connected, and a third party is pivotally connected with any one of the two or the three are coaxially and pivotally connected;
the upper end part of the upper connecting rod is pivotally connected with the lower part of the push rod assembly, and the lower end part of the upper connecting rod is pivotally connected with the rear bracket;
the front end part of the front connecting rod is pivotally connected with the front bracket;
the front end part of the rear connecting rod is pivotally connected with the rear end part of the front connecting rod, the rear connecting rod is pivotally connected with the rear bracket, and the rear end part of the rear connecting rod can be pivotally and slidably arranged on the upper connecting rod.
Preferably, the cart frame further comprises a slider slidably disposed on the upper link in a length extending direction of the upper link, and the other end of the rear link is pivotally connected to the slider.
Further, when the child stroller is in the unfolded state, the sliding member is located at the lower end portion of the upper link, and when the child stroller is folded from the unfolded state, the sliding member slides downward along the length extension direction of the upper link.
Preferably, when the stroller is in the unfolded state, on the front support, the connection of the side support and/or the rear support and the front support is located above the connection of the front connecting rod and the front support.
Preferably, when the stroller is in the unfolded state, on the rear support, the connection part of the side support and/or the front support and the rear support, the connection part of the rear connecting rod and the rear support, and the connection part of the upper connecting rod and the rear support are sequentially arranged from top to bottom.
Preferably, when the child stroller is in the unfolded state, the connection between the side bracket and the push rod assembly is located above the connection between the upper connecting rod and the push rod assembly on the push rod assembly.
Preferably, when the child stroller is in the unfolded state, the connection between the front link and the rear link, the connection between the rear bracket and the rear link, and the connection between the rear link and the upper link are sequentially arranged from front to back on the rear link.
Preferably, when the stroller is in the unfolded state, a triangle structure is formed among the front bracket, the rear link and the front link in each of the left and right sides of the stroller, and a triangle structure is formed among the push rod assembly, the side bracket, the rear bracket and the upper link.
Preferably, the lower part of the side bracket, the upper part of the front bracket and the upper part of the rear bracket are coaxially and pivotally connected.
Preferably, the front bracket, the rear bracket, the side brackets and the push rod assembly are disposed in order from front to rear when the child stroller is in a folded state.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages: when the child stroller is folded, the push rod assembly only needs to rotate forwards, the side brackets can be driven to rotate downwards relative to the front brackets and are close to the rear brackets, the upper connecting rods rotate downwards relative to the rear brackets and are close to the rear brackets, the rear connecting rods rotate relative to the rear brackets, and the front brackets are pulled to rotate backwards through the front connecting rods and are close to the rear brackets, so that the folding operation of the child stroller is realized. The folding operation of this children's shallow is simple, and folding back fore-stock, after-poppet, side support and push rod subassembly draw close along the fore-and-aft direction for the height greatly reduced after children's shallow is folding, thereby make children's shallow compact structure after folding, small, the children's shallow of being convenient for carry and deposit.
Drawings
Fig. 1 is a schematic perspective view of a stroller in an unfolded state according to the present embodiment;
fig. 2 is a perspective view (with a part of the structure removed) of the stroller in the unfolded state according to the present embodiment;
FIG. 3 is a schematic side view of the stroller in an unfolded state;
fig. 4 is a schematic perspective view of the stroller in the folding process according to the present embodiment;
FIG. 5 is a schematic perspective view (with parts removed) of the stroller of the present embodiment during folding;
FIG. 6 is a schematic side view of the stroller of the present embodiment during folding;
fig. 7 is a schematic perspective view of the stroller in a folded state according to the present embodiment;
fig. 8 is a schematic side view of the stroller of the present embodiment in a folded condition.
Wherein: 11. a front bracket; 111. a front strut; 12. a rear bracket; 121. a rear strut; 13. a push rod assembly; 131. a push rod is downwards pushed; 132. an upper push rod; 133. a grip; 14. a side bracket; 15. an upper connecting rod; 16. a front link; 17. a rear connecting rod; 18. a slider; 2. a front wheel assembly; 3. a rear wheel assembly; 41. a first shaft; 42. a second shaft; 43. a third shaft; 44. a fourth shaft; 45. a fifth shaft; 46. a sixth shaft; 47. a seventh axis; 48. an eighth shaft; 5. an unlock button.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.
In the following description, the directions of "front", "rear", "left", "right", "up", "down", etc. are referred to as "front" in the left direction in the drawing, "rear" in the right direction, the upper direction is "up", the lower direction is "down", and the directions perpendicular to the paper surface in the drawing are "left" and "right", respectively, according to fig. 3. The above directional definitions are merely provided to facilitate the description of the utility model and to simplify the description and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operate in a particular orientation and are not to be construed as limiting the utility model.
As shown in fig. 1 to 8, the child stroller of the present utility model includes a stroller frame having an unfolded state and a folded state, a front wheel assembly 2 provided at a bottom front portion of the stroller frame, and a rear wheel assembly 3 provided at a bottom rear portion of the stroller frame.
The stroller frame includes a front bracket 11, a rear bracket 12, a push rod assembly 13, a side bracket 14, an upper link 15, a front link 16, and a rear link 17.
The front wheel assembly 2 is disposed at a lower portion of the front bracket 11, and the rear wheel assembly 3 is disposed at a lower portion of the rear bracket 12. The upper part of the side bracket 14 is pivotally connected to the lower part of the push rod assembly 13 via a first shaft 41, two of the lower part of the side bracket 14, the upper part of the front bracket 11 and the upper part of the rear bracket 12 are pivotally connected, and a third one is pivotally connected to either one of the above or the three are pivotally connected coaxially. The upper end of the upper link 15 is pivotally connected to the lower portion of the push rod assembly 13 by a second shaft 42, and the lower end of the upper link 15 is pivotally connected to the rear bracket 12 by a third shaft 43. The front end portion of the front link 16 is pivotally connected to the front bracket 11 by a fourth shaft 44, and the rear end portion of the front link 16 is pivotally connected to the front end portion of the rear link 17 by a fifth shaft 45. The rear link 17 is pivotally connected to the rear bracket 12 by a sixth shaft 46, and a rear end portion of the rear link 17 is pivotably and slidably provided on the upper link 15.
Specifically, the stroller frame further includes a slider 18, the slider 18 being slidably provided on the upper link 15 in a length extending direction of the upper link 15, and the other end portion of the rear link 17 being pivotally connected to the slider 18 through a seventh shaft 47.
Preferably, the lower part of the side bracket 14, the upper part of the front bracket 11 and the upper part of the rear bracket 12 are coaxially and pivotally connected by an eighth shaft 48.
The push rod assembly 13 includes a lower push rod 131 and an upper push rod 132, the lower portion of the upper push rod 132 is pivotally connected to the upper portion of the lower push rod 131, and a grip lever 133 for being gripped by a human hand is provided on the upper push rod 132. The upper portion of the side bracket 14 is pivotally connected to the lower portion of the lower push rod 131 through a first shaft 41, and the upper end portion of the upper link 15 is pivotally connected to the lower portion of the lower push rod 131 through a second shaft 42. In this embodiment, when the stroller is used in the unfolded state, the upper push rod 132 is rotated relative to the lower push rod 131, so that the height of the grip 133 can be adjusted, and people with different heights can use the stroller conveniently. Moreover, when the length of the push rod assembly 13 is long, the upper push rod 132 can be rotated relative to the lower push rod 131 to be close to the lower push rod 131 when the stroller is folded, so that the structural size of the folded stroller is reduced.
In this embodiment, the front bracket 11 includes front struts 111 disposed on the left and right sides, and the rear bracket 12 includes rear struts 121 disposed on the left and right sides, and the lower push rod 131, the upper push rod 132, the upper link 15 of the side bracket 14, the front link 16, the rear link 17, and the slider 18 are disposed on the left and right sides of the stroller, respectively. In each of the left and right sides of the stroller frame, the lower part of the side bracket 14, the upper part of the front strut 111 and the upper part of the rear strut 121 are pivotally connected coaxially, the front link 16 is pivotally connected to the front strut 111, and the upper link 15 and the rear link 17 are pivotally connected to the rear strut 121, respectively.
Thus, in each of the left and right sides of the stroller frame, a four-bar mechanism is formed between the front bracket 11, the rear bracket 12, the rear link 17 and the front link 16, a four-bar mechanism is also formed between the lower push rod 131, the side bracket 14, the rear bracket 12 and the upper link 15, and a crank slider mechanism is formed between the rear bracket 12, the rear link 17, the slider 18 and the upper link 15. In this way, in the unfolding and folding process of the stroller, as long as one of the front bracket 11, the rear bracket 12, the lower push rod 131, the side bracket 14, the upper connecting rod 15, the front connecting rod 16, the rear connecting rod 17 and the sliding piece 18 acts, the other components can be driven to act synchronously, so that the unfolding and folding operation of the stroller is convenient.
The stroller further comprises a locking mechanism for locking the stroller frame in the unfolded state, wherein the locking mechanism can be arranged between any two movably connected parts in the two four-bar mechanisms and the crank slider mechanism. In this embodiment, the locking mechanism is preferably provided at the pivotal connection of the side bracket 14 and the lower push rod 131.
The stroller further comprises an unlocking mechanism for unlocking the locking mechanism. In this embodiment, the unlocking mechanism includes an unlocking button 5 slidably provided on the push down lever 131, and the unlocking button 5 is connected to the locking mechanism.
The specific structure of the locking mechanism and the connection between the unlocking button 5 and the locking mechanism can be any structure in the prior art.
As shown in fig. 1 to 3, when the stroller is in the unfolded state, the front strut 111, the side brackets 14, the lower push rod 131 and the upper push rod 132 each extend obliquely upward from front to rear, and the rear strut 121 extends obliquely downward from front to rear. The front link 16 and the rear link 17 each extend in the front-rear direction. The upper link 15 extends in the up-down direction, and the slider 18 is located at the lower end portion of the upper link 15.
And on the front bracket 11, the eighth shaft 48 is located above the fourth shaft 44. On the rear bracket 12, an eighth shaft 48, a sixth shaft 46, and a third shaft 43 are disposed in this order from the top. On the lower pushrod 131, the first shaft 41 is located above the second shaft 42. On the rear link 17, a fifth shaft 45, a sixth shaft 46, and a seventh shaft 47 are provided in order from front to rear.
It is preferable that the front strut 111, the side brackets 14, the lower push rod 131 and the upper push rod 132 extend in the same direction, and the front link 16 and the rear link 17 extend in the same direction. Thus, in each of the left and right sides of the stroller, a triangle structure is formed among the front strut 111, the rear strut 121, the rear link 17 and the front link 16, and a triangle structure is formed among the lower push rod 131, the side brackets 14, the rear strut 121 and the upper link 15. Thus, the appearance of the child cart is attractive, and the child cart is good in stability.
When the child stroller is folded from the unfolded state, the unlocking button 5 is operated to unlock the locking mechanism. The push rod assembly 13 is rotated forwards around the first shaft 41 integrally, the side support 14 is driven to rotate downwards around the eighth shaft 48 relative to the front support 11 to be close to the rear support 12, the upper connecting rod 15 is driven to rotate downwards around the third shaft 43 relative to the rear support 12 to be close to the rear support 12, the sliding piece 18 slides downwards along the length extending direction of the upper connecting rod 15 when the upper connecting rod 15 rotates, the rear connecting rod 17 rotates around the sixth shaft 46 relative to the rear support 12, and accordingly the front support 11 is pulled to rotate backwards around the eighth shaft 48 by the front connecting rod 16 to be close to the rear support 12, and the folding process is shown in fig. 4-6. Until the rods forming the trolley frame are tightly closed together, the final folding is shown in fig. 7 and 8, and when the stroller is in a folded state, the front bracket 11, the rear bracket 12, the side bracket 14 and the push rod component 13 are tightly closed along the front and rear directions, so that the folded height of the stroller is greatly reduced, the size of the stroller in the front and rear directions is also smaller, the folded stroller is compact in structure and small in size, and the carrying and storage of the stroller are facilitated.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (10)
1. The utility model provides a children's shallow, includes that have the shallow frame of expansion state and folding state, set up the front wheel subassembly of the bottom front portion of shallow frame and set up the rear wheel subassembly of the bottom 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;
a push rod assembly;
a side bracket, the upper part of the side bracket is pivotally connected with the lower part of the push rod assembly, the lower part of the side bracket, the upper part of the front bracket and the upper part of the rear bracket are pivotally connected, and a third party is pivotally connected with any one of the two or the three are coaxially and pivotally connected;
the upper end part of the upper connecting rod is pivotally connected with the lower part of the push rod assembly, and the lower end part of the upper connecting rod is pivotally connected with the rear bracket;
the front end part of the front connecting rod is pivotally connected with the front bracket;
the front end part of the rear connecting rod is pivotally connected with the rear end part of the front connecting rod, the rear connecting rod is pivotally connected with the rear bracket, and the rear end part of the rear connecting rod can be pivotally and slidably arranged on the upper connecting rod.
2. The stroller of claim 1, wherein: the trolley frame further comprises a sliding part, the sliding part can be slidably arranged on the upper connecting rod along the length extending direction of the upper connecting rod, and the other end part of the rear connecting rod is pivotally connected with the sliding part.
3. The stroller of claim 2, wherein: when the child stroller is in the unfolded state, the sliding piece is located at the lower end portion of the upper connecting rod, and when the child stroller is folded from the unfolded state, the sliding piece slides downwards along the length extending direction of the upper connecting rod.
4. The stroller of claim 1, wherein: when the child stroller is in the unfolded state, on the front support, the connection part of the side support and/or the rear support and the front support is positioned above the connection part of the front connecting rod and the front support.
5. The stroller of claim 1, wherein: when the child stroller is in the unfolded state, the connection parts of the side brackets and/or the front brackets and the rear brackets, the connection parts of the rear connecting rods and the rear brackets and the connection parts of the upper connecting rods and the rear brackets are sequentially arranged from top to bottom on the rear brackets.
6. The stroller of claim 1, wherein: when the child stroller is in the unfolded state, on the push rod assembly, the connection part of the side support and the push rod assembly is positioned above the connection part of the upper connecting rod and the push rod assembly.
7. The stroller of claim 1, wherein: when the child stroller is in the unfolded state, the connection part of the front connecting rod and the rear connecting rod, the connection part of the rear support and the rear connecting rod and the connection part of the rear connecting rod and the upper connecting rod are sequentially arranged from front to back on the rear connecting rod.
8. The stroller of claim 1, wherein: when the child stroller is in the unfolded state, a triangular structure is formed among the front support, the rear connecting rod and the front connecting rod in each of the left side and the right side of the child stroller, and a triangular structure is formed among the push rod assembly, the side support, the rear support and the upper connecting rod.
9. The stroller of claim 1, wherein: the lower part of the side bracket, the upper part of the front bracket and the upper part of the rear bracket are coaxially and pivotally connected.
10. The stroller of claim 1, wherein: when the child stroller is in a folded state, the front bracket, the rear bracket, the side brackets and the push rod assembly are sequentially arranged from front to back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223179653.XU CN219056351U (en) | 2022-11-29 | 2022-11-29 | Child cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223179653.XU CN219056351U (en) | 2022-11-29 | 2022-11-29 | Child cart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219056351U true CN219056351U (en) | 2023-05-23 |
Family
ID=86364306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223179653.XU Active CN219056351U (en) | 2022-11-29 | 2022-11-29 | Child cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219056351U (en) |
-
2022
- 2022-11-29 CN CN202223179653.XU patent/CN219056351U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
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