CN219056335U - Linkage folding mechanism for children's barrow and children's articles for use - Google Patents
Linkage folding mechanism for children's barrow and children's articles for use Download PDFInfo
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- CN219056335U CN219056335U CN202223091235.5U CN202223091235U CN219056335U CN 219056335 U CN219056335 U CN 219056335U CN 202223091235 U CN202223091235 U CN 202223091235U CN 219056335 U CN219056335 U CN 219056335U
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Abstract
The utility model relates to a children's barrow and a linkage folding mechanism for children's articles, the children's barrow is provided with a linkage folding mechanism, the linkage folding mechanism comprises side frames positioned at the left and right sides of the children's barrow and a transverse bracket arranged between the side frames at the two sides; each side frame comprises a first side rod and a second side rod which is connected with the first side rod in a sliding way; the transverse bracket comprises a first rod and a second rod which are connected with each other in a rotary way, and a third rod and a fourth rod which are connected with each other in a rotary way. According to the utility model, the linkage folding mechanism is arranged, and when the stroller is folded, the first rod or the second rod and the second side rod slide in a deviating way relative to the first side rod, so that two rod pieces in the stroller frame of the stroller, such as the seat rod and the rear wheel bracket, are driven to be mutually close, and meanwhile, the rod pieces at two sides are driven to be transversely mutually close under the action of the transverse bracket, so that the stroller is convenient to fold and small in size after being folded.
Description
Technical Field
The utility model relates to the field of children products, in particular to a children cart and a linkage folding mechanism for the children products.
Background
Folding child strollers are widely used as a baby walker. In order to realize the folding function, the cart frame is arranged to be foldable, the cart frame generally comprises side brackets which are arranged at the left side and the right side of the baby cart and are symmetrically arranged, main components forming the side brackets, such as front wheel brackets, rear wheel brackets, seat bars, push rods and the like, are arranged in a mutually rotating connection manner, so that the baby cart is smaller in size after being folded, convenient to carry and store, and the baby cart is required to be transversely folded. At present, various structures for enabling the child cart to be transversely folded exist, and the aim of enabling the cart frame to be simpler in folding operation, more convenient to fold and smaller in size after folding is always pursued in the field of child carts.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the child cart with different structures, convenient folding and small volume after folding.
A second object of the present utility model is to provide a linked folding mechanism for children's products.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the baby stroller comprises a foldable stroller frame, a front wheel assembly arranged in front of the bottom of the stroller frame and a rear wheel assembly arranged behind the bottom of the stroller frame, wherein the stroller frame is provided with a linkage folding mechanism, and the linkage folding mechanism comprises side frames positioned on the left side and the right side of the baby stroller and transverse brackets arranged between the side frames on the two sides;
each side of the side frame comprises a first side rod and a second side rod which is connected with the first side rod in a sliding way;
the transverse bracket comprises a first rod, a second rod, a third rod and a fourth rod, wherein the second rod is in cross rotation connection with the first rod;
one end part of the first rod and one end part of the second rod are respectively and rotatably connected with the first side rod pivot shafts on two sides, and the other end part of the first rod and the other end part of the second rod are respectively and rotatably and slidingly arranged on the first side rod;
one end part of the third rod and one end part of the fourth rod are respectively and rotatably connected with the first side rods on two sides, and the other end part of the third rod and the other end part of the fourth rod are respectively and rotatably connected with the second side rods on two sides;
when the child stroller is converted from the unfolded state to the folded state, the first bar or the second bar slides away from the second side bar relative to the first side bar.
According to some embodiments of the utility model, the side frames further comprise a slide bar slidably connected to the first side bar, the other end of the first bar and the other end of the second bar being pivotally connected to the slide bars on both sides, respectively, the slide bars on each side sliding away from the second side bar in a direction extending the length of the first side bar on the corresponding side when the stroller is converted from the unfolded state to the folded state.
In some embodiments, when the stroller is in the deployed state, the first side bar extends in a front-to-rear direction of the stroller on each side, and the rotational connection of the first or second bar to the first side bar is forward of the rotational connection of the third or fourth bar to the first side bar.
Further, when the child stroller is in the unfolded state, in the extending direction of the first side bar on each side, the rotational connection of the first bar and the first side bar is located in front of the rotational connection of the second bar and the slide bar, or the rotational connection of the second bar and the first side bar is located in front of the rotational connection of the first bar and the slide bar.
Further, when the child stroller is in the deployed state, in the extending direction of the first side bar on each side, the rotational connection of the third bar and the first side bar is located behind the rotational connection of the fourth bar and the second side bar, or the rotational connection of the fourth bar and the first side bar is located behind the rotational connection of the third bar and the second side bar.
Further, when the stroller is shifted from the unfolded state to the folded state, the sliding rod slides backward from the front of the stroller relative to the first side rod on each side, and the second side rod slides forward from the rear of the stroller relative to the first side rod.
Further, the second side bar on each side extends in a front-rear direction of the stroller.
Further, when the child stroller is converted from the unfolded state to the folded state, the first side bars on the two sides are mutually close, and the second side bars slide forwards relative to the first side bars under the drive of the transverse support.
In some embodiments, the stroller frame further comprises push rods located at the left side and the right side of the stroller, front wheel supports located at the left side and the right side of the stroller and provided with front wheel assemblies at the bottoms of the push rods, rear wheel supports located at the left side and the right side of the stroller and provided with rear wheel assemblies, and seat bars located at the left side and the right side of the stroller and extending along the front-rear direction of the stroller, wherein the seat bars form first side bars or the seat bars are provided with the first side bars, the rear wheel supports form second side bars or the upper ends of the rear wheel supports are provided with the second side bars, and the lower ends of the push rods are connected with the slide bars in a rotating mode.
Further, the cart frame also comprises grab bars positioned at the left side and the right side of the child cart and connecting rods positioned at the left side and the right side of the child cart; in the unfolded state of the child stroller,
two of the upper part of the front wheel bracket, the front part of the seat rod and the lower part of the grab bar are pivotally connected and a third person is pivotally connected to one of the two, or the upper part of the front wheel bracket, the front part of the seat rod and the lower part of the grab bar are pivotally connected around the same rotation center;
the lower part of the push rod is respectively and rotatably connected with the upper part of the grab rail and the slide rod;
the front part of the connecting rod is rotationally connected with the front wheel bracket, and the rear part of the connecting rod is rotationally connected with the sliding rod or the push rod.
According to some embodiments of the present utility model, the stroller frame further includes push rods located at left and right sides of the stroller, front wheel brackets located at left and right sides of the stroller and provided with the front wheel assemblies at bottoms thereof, rear wheel brackets located at left and right sides of the stroller and provided with the rear wheel assemblies, and seat bars located at left and right sides of the stroller and extending in a front-rear direction of the stroller, wherein the seat bars constitute the first side bars or the seat bars are provided with the first side bars, and the rear wheel brackets constitute the second side bars or the upper ends of the rear wheel brackets are provided with the second side bars.
The second technical scheme adopted by the utility model is as follows: the linkage folding mechanism for the children articles adopts the linkage folding mechanism.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
according to the utility model, the linkage folding mechanism is arranged, and when the stroller is folded, the first rod or the second rod and the second side rod slide in a deviating way relative to the first side rod, so that two rod pieces in the stroller frame of the stroller, such as the seat rod and the rear wheel bracket, are driven to be mutually close, and meanwhile, the rod pieces at two sides are driven to be transversely mutually close under the action of the transverse bracket, so that the stroller is convenient to fold and small in size after being folded.
Drawings
FIG. 1 is a perspective view of a linked folding mechanism of a child stroller in an unfolded state according to an exemplary embodiment of the present utility model;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a perspective view of the ganged folding mechanism of FIG. 1 in a first, semi-folded state;
FIG. 4 is a side view of FIG. 3;
FIG. 5 is a perspective view of the ganged folding mechanism of FIG. 1 in a second half-folded state;
FIG. 6 is a side view of FIG. 5;
FIG. 7 is a perspective view of the linked folding mechanism of FIG. 1 in a folded state;
FIG. 8 is a side view of FIG. 7;
FIG. 9 is an exploded view of the linked folding mechanism of FIG. 1;
FIG. 10 is a perspective view of the stroller of FIG. 1 in an expanded state;
FIG. 11 is a perspective view of the stroller of FIG. 9 in a semi-collapsed condition;
fig. 12 is a perspective view of the stroller of fig. 9 in a folded condition.
In the figure: 1. a front wheel assembly; 2. a rear wheel assembly; 3. a first side bar; 3a, a first side rod body; 3b, a first side lever connecting part 3b; 4. a second side bar; 5. a slide bar; 6. a first lever; 7. a second lever; 8. a third lever; 9. a fourth lever; 10. a push rod; 11. a front wheel bracket; 12. a grab rail; 13. and a connecting rod.
Detailed Description
The utility model is further described with reference to the drawings and specific examples in the specification:
referring to the stroller shown in fig. 1-12, there is provided a collapsed and expanded stroller comprising a collapsible stroller frame having a linked folding mechanism, a front wheel assembly 1 disposed in front of the stroller frame bottom, and a rear wheel assembly 2 disposed behind the stroller frame bottom.
As shown in fig. 1 and 9, the ganged folding mechanism includes side frames on the left and right sides of the stroller and cross brackets disposed between the side frames.
Each side frame comprises a first side rod 3, a second side rod 4 which is connected with the first side rod 3 in a sliding way, and a sliding rod 5 which is connected with the first side rod 3 in a sliding way.
The transverse bracket comprises a first rod 6, a second rod 7, a third rod 8 and a fourth rod 9, wherein the second rod 7 and the third rod 8 are in crossed pivot connection with the first rod 6, one end part of the first rod 6 and one end part of the second rod 7 are respectively in pivot connection with the first side rods 3 on two sides, the other end part of the first rod 6 and the other end part of the second rod 7 are respectively rotatably and slidingly arranged on the first side rods 3, in the example, the other end part of the first rod 6 and the other end part of the second rod 7 are respectively in pivot connection with the sliding rods 5 on two sides, and the other end part of the first rod 6 and the other end part of the second rod 7 are respectively rotatably and slidingly arranged on the first side rods 3 through the sliding connection of the sliding rods 5 and the first side rods 3; one end of the third lever 8 and one end of the fourth lever 9 are pivotally connected to the first side levers 3 on both sides, respectively, and the other end of the third lever 8 and the other end of the fourth lever 9 are pivotally connected to the second side levers 4 on both sides, respectively.
When the stroller is converted from the unfolded state to the folded state, the sliding rod 5 on each side and the second side rod 4 slide away from each other in the length extending direction of the first side rod 3 on the corresponding side, so that the other end part of the first rod 6 or the other end part of the second rod 7 and the second side rod 4 slide away from each other relative to the first side rod 3, and the first rod 6 or the second rod 7 and the second side rod 4 slide away from each other relative to the first side rod 3.
As shown in fig. 1, when the stroller is in the unfolded state, each side first side bar 3 extends in the front-rear direction of the stroller, each side second side bar 4 extends in the front-rear direction of the stroller, and the rotational connection of the first bar 6 or the second bar 7 with the first side bar 3 is located in front of the rotational connection of the third bar 7 or the fourth bar 8 with the first side bar 3; in the extending direction of the first side bar 3 on each side, the rotational connection of the first bar 6 with the first side bar 3 is located in front of the rotational connection of the second bar 7 with the slide bar 5, the rotational connection of the second bar 7 with the first side bar 3 is located in front of the rotational connection of the first bar 6 with the slide bar 5, the rotational connection of the third bar 8 with the first side bar 3 is located behind the rotational connection of the fourth bar 9 with the second side bar 4, and the rotational connection of the fourth bar 9 with the first side bar 3 is located behind the rotational connection of the third bar 8 with the second side bar 4.
When the stroller is converted from the unfolded state to the folded state, the first side bars 3 on the two sides are close to each other, the sliding bars 5 slide backwards from the front direction of the stroller relative to the first side bars 3 on each side, and the second side bars 4 slide forwards from the rear direction of the stroller relative to the first side bars 3 under the drive of the transverse support.
When the linkage folding mechanism is folded, as shown in fig. 3-6, the sliding rod 5 is pulled to slide backwards, the first side rods 3 on two sides can be mutually closed by utilizing the linkage of the first rod 6, the second rod 7, the third rod 8 and the fourth rod 9, meanwhile, the second side rod 4 slides forwards to be mutually closed with the first side rods 3, and finally the folding is completed, as shown in fig. 7-8.
Referring to fig. 10 to 12, the stroller frame further includes push rods 10 located at the left and right sides of the stroller, front wheel brackets 11 located at the left and right sides of the stroller and provided with front wheel assemblies 1 at the bottom, rear wheel brackets located at the left and right sides of the stroller and provided with rear wheel assemblies 2, seat bars located at the left and right sides of the stroller and extending in the front-rear direction of the stroller, grab bars 12 located at the left and right sides of the stroller and connecting rods 13 located at the left and right sides of the stroller, in this example, the seat bars form first side bars 3, the rear wheel brackets form second side bars 4, the lower end parts of the push rods 10 are pivotally connected with the slide bars 5, and the rear wheel assemblies 2 are arranged at the rear end parts of the rear wheel brackets.
In this example, each side first side bar 3 (i.e., seat bar) includes a first side bar body 3a extending in the front-rear direction of the stroller and a first side bar connecting portion 3b fixedly provided at the front end portion of the first side bar body 3a, the slide bar 5 and the second side bar 4 are slidably connected to the first side bar body 3a, one end portion of the first bar 6 and one end portion of the second bar 7 are rotatably connected to the front end portions of the first side bar bodies 3a on both sides, and one end portion of the third bar 8 and one end portion of the fourth bar 9 are rotatably connected to the rear end portions of the first side bar bodies 3a on both sides.
In this example, each side push rod 10 includes a lower push rod 10a, an upper push rod 10b slidably connected to the lower push rod 10a along the length extending direction of the lower push rod 10a, and a push handle 10c having one end rotatably connected to the upper end of the upper push rod 10b, and the other ends of the push handles 10c on both sides are rotatably connected.
As shown in fig. 10, in the unfolded state of the stroller, the upper end portion of the front wheel bracket 11 is rotatably connected to the lower end portion of the first side rod connecting portion 3b, the lower end portion of the grab rail 12 is rotatably connected to the upper end portion of the first side rod connecting portion 3b, the upper end portion of the grab rail 12 is pivotally connected to the lower portion of the lower push rod 10a, the lower end portion of the lower push rod 10a is pivotally connected to the rear portion of the slide rod 5, the front end portion of the link 13 is rotatably connected to the front wheel bracket 11, and the rear end portion of the link 13 is rotatably connected to the front portion of the slide rod 5.
When the stroller is folded, as shown in fig. 11, the upper push rod 10b slides down to fold with the lower push rod 10a, and simultaneously turns forward with the lower push rod 10a, and pulls the slide rod 5 to slide backward, and the longitudinal direction is as follows: the lower push rod 10a turns forward to be close to the grab rail 12 and the first side rod 3 (i.e. the seat rod), the connecting rod 13 is pulled backwards in the backward sliding process of the slide rod 5, the front wheel bracket 11 is pulled to turn backward to be close to the first side rod 3, and the second side rod 4 (i.e. the rear wheel bracket) slides forward to be close to the first side rod 3 under the linkage of the transverse bracket, so that the front wheel assembly 1 and the rear wheel assembly 2 are close to each other; transverse direction: in the process of sliding the sliding rod 5 backwards, the end part of the first rod 6 connected with the sliding rod 5 and the end part of the second rod 7 connected with the sliding rod 5 are pulled to move backwards so that the first rod 6 and the second rod 7 are folded mutually, and meanwhile, the end part of the third rod 8 connected with the second side rod 4 and the end part of the fourth rod 9 connected with the second side rod 4 are driven to move forwards, so that the third rod 8 and the fourth rod 9 are folded mutually and close to further drive the first side rods 3 on two sides to be transversely close to each other, and other rod parts on two sides are transversely close to each other, so that folding is finally completed, as shown in fig. 7-8 and 12.
The folding utilizes slide bar 5 to slide backward, and the linkage cross bracket for the complete horizontal and vertical folding of shallow frame, folding convenient operation just folds back small.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. The utility model provides a children's shallow, has folding state and expansion state, is in including folding shallow frame, setting are in the preceding front wheel subassembly of shallow frame bottom and setting are in the rear wheel subassembly at shallow frame bottom rear, its characterized in that: the trolley frame is provided with a linkage folding mechanism, and the linkage folding mechanism comprises side frames positioned at the left side and the right side of the children trolley and a transverse bracket arranged between the side frames at the two sides;
each side of the side frame comprises a first side rod and a second side rod which is connected with the first side rod in a sliding way;
the transverse bracket comprises a first rod, a second rod, a third rod and a fourth rod, wherein the second rod is in cross rotation connection with the first rod;
one end part of the first rod and one end part of the second rod are respectively and rotatably connected with the first side rod pivot shafts on two sides, and the other end part of the first rod and the other end part of the second rod are respectively and rotatably and slidingly arranged on the first side rod;
one end part of the third rod and one end part of the fourth rod are respectively and rotatably connected with the first side rods on two sides, and the other end part of the third rod and the other end part of the fourth rod are respectively and rotatably connected with the second side rods on two sides;
when the child stroller is converted from the unfolded state to the folded state, the first bar or the second bar slides away from the second side bar relative to the first side bar.
2. The stroller of claim 1, wherein: the side frames on each side further comprise sliding rods which are connected to the first side rods in a sliding manner, the other end part of the first rod and the other end part of the second rod are respectively connected with the sliding rods on the two sides in a pivot manner, and when the child stroller is converted from an unfolding state to a folding state, each side of the sliding rods and the second side rods slide in a deviating manner in the length extending direction of the first side rods on the corresponding side.
3. The stroller of claim 2, wherein: when the child stroller is in the unfolded state, each side of the first side rod extends along the front-rear direction of the child stroller, and the rotary connection part of the first rod or the second rod and the first side rod is positioned in front of the rotary connection part of the third rod or the fourth rod and the first side rod.
4. A stroller according to claim 3, wherein: when the child stroller is in the unfolded state, in the extending direction of the first side rod on each side, the rotation connection position of the first rod and the first side rod is positioned in front of the rotation connection position of the second rod and the sliding rod, or the rotation connection position of the second rod and the first side rod is positioned in front of the rotation connection position of the first rod and the sliding rod; and/or the number of the groups of groups,
when the child stroller is in the unfolded state, in the extending direction of the first side bar on each side, the rotation connection position of the third bar and the first side bar is located behind the rotation connection position of the fourth bar and the second side bar, or the rotation connection position of the fourth bar and the first side bar is located behind the rotation connection position of the third bar and the second side bar.
5. A stroller according to claim 3, wherein: when the child stroller is converted from the unfolded state to the folded state, the sliding rod slides backwards from the front direction of the child stroller relative to the first side rod on each side, and the second side rod slides forwards from the rear direction of the child stroller relative to the first side rod; and/or the number of the groups of groups,
the second side bar on each side extends in a front-to-rear direction of the stroller.
6. A stroller according to claim 3, wherein: when the child stroller is converted from the unfolded state to the folded state, the first side bars at the two sides are mutually close, and the second side bars slide forwards relative to the first side bars under the drive of the transverse support.
7. The stroller of any one of claims 2-6, wherein: the cart frame is characterized by further comprising push rods positioned on the left side and the right side of the cart, front wheel supports provided with front wheel assemblies at the bottoms of the left side and the right side of the cart, rear wheel supports provided with rear wheel assemblies and seat bars positioned on the left side and the right side of the cart and extending along the front and the rear directions of the cart, wherein the seat bars form first side bars or are provided with the first side bars, the rear wheel supports form second side bars or are provided with the second side bars at the upper ends of the rear wheel supports, and the lower ends of the push rods are connected with the slide bars in a rotating mode.
8. The stroller of claim 7, wherein: the trolley frame also comprises grab bars positioned at the left side and the right side of the child trolley and connecting rods positioned at the left side and the right side of the child trolley; in the unfolded state of the child stroller,
two of the upper part of the front wheel bracket, the front part of the seat rod and the lower part of the grab bar are pivotally connected and a third person is pivotally connected to one of the two, or the upper part of the front wheel bracket, the front part of the seat rod and the lower part of the grab bar are pivotally connected around the same rotation center;
the lower part of the push rod is respectively and rotatably connected with the upper part of the grab rail and the slide rod;
the front part of the connecting rod is rotationally connected with the front wheel bracket, and the rear part of the connecting rod is rotationally connected with the sliding rod or the push rod.
9. The stroller of any one of claims 1-6, wherein: the cart frame is still including being located push rod, being located the left and right sides of children's shallow the right side of children's shallow just the bottom is equipped with the front wheel support of front wheel subassembly, be located the left and right sides of children's shallow just be equipped with rear wheel support of rear wheel subassembly and be located the left and right sides of children's shallow just follows the seat pole that the fore-and-aft direction of children's shallow extends, wherein, the seat pole constitutes first side lever or set up on the seat pole first side lever, the rear wheel support constitutes second side lever or the upper end of rear wheel support sets up the second side lever.
10. The utility model provides a children's articles for use is with linkage folding mechanism which characterized in that: the linkage folding mechanism comprises side frames positioned at two sides and a transverse bracket arranged between the side frames at two sides;
each side of the side frame comprises a first side rod and a second side rod which is connected with the first side rod in a sliding way;
the transverse bracket comprises a first rod, a second rod, a third rod and a fourth rod, wherein the second rod is in cross rotation connection with the first rod;
one end part of the first rod and one end part of the second rod are respectively and rotatably connected with the first side rod pivot shafts on two sides, and the other end part of the first rod and the other end part of the second rod are respectively and rotatably and slidingly arranged on the first side rod;
one end part of the third rod and one end part of the fourth rod are respectively and rotatably connected with the first side rods on two sides, and the other end part of the third rod and the other end part of the fourth rod are respectively and rotatably connected with the second side rods on two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223091235.5U CN219056335U (en) | 2022-11-21 | 2022-11-21 | Linkage folding mechanism for children's barrow and children's articles for use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223091235.5U CN219056335U (en) | 2022-11-21 | 2022-11-21 | Linkage folding mechanism for children's barrow and children's articles for use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219056335U true CN219056335U (en) | 2023-05-23 |
Family
ID=86376608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223091235.5U Active CN219056335U (en) | 2022-11-21 | 2022-11-21 | Linkage folding mechanism for children's barrow and children's articles for use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219056335U (en) |
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2022
- 2022-11-21 CN CN202223091235.5U patent/CN219056335U/en active Active
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