CN219927772U - Wheel assembly folding structure of children's barrow and bottom support frame of children's barrow - Google Patents
Wheel assembly folding structure of children's barrow and bottom support frame of children's barrow Download PDFInfo
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- CN219927772U CN219927772U CN202321389370.XU CN202321389370U CN219927772U CN 219927772 U CN219927772 U CN 219927772U CN 202321389370 U CN202321389370 U CN 202321389370U CN 219927772 U CN219927772 U CN 219927772U
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- wheel assembly
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- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The utility model discloses a wheel assembly folding structure of a children handcart, which comprises a first rod, wherein a first connecting end of the first rod is connected with a first wheel assembly capable of rotating relative to the first rod, the first rod is also connected with a first connecting rod assembly capable of rotating relative to the first rod, and a driving assembly is arranged between the first connecting rod assembly and the first wheel assembly. The utility model also discloses a bottom support frame of the baby carriage, which comprises the wheel component folding structure of the baby carriage, wherein the second connecting end of the first rod is connected with a connecting seat, the connecting seat is connected with a second wheel component which can rotate relative to the connecting seat, and a locking structure is arranged between the second wheel component and the second connecting end of the first rod. The utility model provides a folding structure of a wheel assembly, which can fold the wheel assembly to enable the folded child stroller to be smaller in volume and flatter. The utility model also provides a bottom support frame which can enable the baby stroller to be smaller in size and flatter after being folded.
Description
[ field of technology ]
The utility model relates to a wheel assembly folding structure of a child stroller and a bottom support frame of the child stroller.
[ background Art ]
Child strollers are widely used as infant walker tools. The baby carriage has the advantages of convenient folding, small volume after folding, easy storage and convenient carrying. The existing folding child cart is generally large in size after folding, and occupies a relatively large space for carrying and storing, so that a folding structure of a wheel assembly and a bottom support frame of the child cart are needed, wherein the folding structure can fold the wheel assembly to enable the volume of the child cart to be smaller and flatter after folding.
[ utility model ]
The utility model aims to overcome the defects of the prior art and provide the folding structure of the wheel assembly, which can fold the wheel assembly to enable the folded child stroller to be smaller in volume and flatter.
The utility model also provides a bottom support frame which can enable the baby stroller to be smaller in size and flatter after being folded.
The utility model is realized by the following technical scheme:
the utility model provides a wheel subassembly folding structure of children's shallow, includes first pole 1, first pole 1 first link 1A be connected with can rotate relative and follow vertical expansion position and move to the first wheel subassembly 2 of horizontal folding position, first pole 1 on still be connected with the first pole subassembly 3 that can rotate relative, first pole subassembly 3 and first wheel subassembly 2 between be equipped with the drive assembly 4 that can drive first wheel subassembly 2 rotation expansion or fold when first pole subassembly 3 rotates.
The driving assembly 4 comprises a first bevel gear part 41 arranged on the first wheel assembly 2, and a second bevel gear part 42 which can be meshed with the first bevel gear part 41 is arranged on the first connecting rod assembly 3.
The rotation axis B of the first bevel gear portion 41 is perpendicular to the rotation axis C of the second bevel gear portion 42.
The first wheel assembly 2 comprises a first wheel seat 21 rotatably connected to the first connecting end 1A of the first rod 1, a first wheel fork 22 capable of rotating relative to the first wheel seat 21 is connected to the first wheel seat 21, a first wheel 23 is connected to the lower end of the first wheel fork 22, and the first bevel gear part 41 is arranged on the first wheel seat 21.
The first connecting rod assembly 3 comprises a first rotating seat 31 which is rotatably connected to the side edge of the first rod 1, the first rotating seat 31 is connected with a first connecting rod 32 which transversely extends, the second bevel gear part 42 is arranged on the first rotating seat 31, and the first rotating seat 31 is also provided with a first connecting part 311 which can be connected with a first leg rod piece on the baby carriage.
The first limiting assembly 5 capable of limiting the rotation of the first wheel assembly 2 is arranged between the first wheel seat 21 and the first connecting end 1A of the first rod 1, the first limiting assembly 5 comprises a first limiting block 51 arranged on the first rod 1, and a first limiting groove 52 capable of allowing the first limiting block 51 to move inside is formed in the first wheel seat 21.
The bottom support frame of the baby carriage comprises the wheel component folding structure of the baby carriage, wherein the first rod 1 and the second connecting end 1B are connected with the connecting seat 6, the connecting seat 6 is connected with the second wheel component 7 which can rotate relatively to move from a vertical unfolding position to a horizontal folding position, and a locking structure 8 which can lock the first rod 1 and the second connecting end 1B is arranged between the second wheel component 7 and the second connecting end 1B.
The locking structure 8 comprises a locking position 81 arranged on the second wheel assembly 7, a locking piece 82 which can slide relatively to the second wheel assembly 7 and be clamped in or separated from the locking position 81 is arranged on the second wheel assembly 7, an operating part 821 which can be operated is arranged on the locking piece 82, and an elastic reset piece 83 which can reset the locking piece 82 is arranged between the locking piece 82 and the second wheel assembly 7.
The second wheel assembly 7 comprises a second wheel seat 71 rotatably connected to the connecting seat 6, a second wheel fork 72 capable of rotating relative to the second wheel seat 71 is connected to the second wheel seat 71, a second wheel 73 is connected to the lower end of the second wheel fork 72, and the locking position 81 is arranged on the second wheel seat 71.
The second wheel seat 71 and the connecting seat 6 between be equipped with the second spacing subassembly 9 that can restrict the pivoted of second wheel subassembly 7, second spacing subassembly 9 including locating the second stopper 91 on the connecting seat 6, second wheel subassembly 7 on be equipped with the second spacing groove 92 that can supply second stopper 91 to move about including, connecting seat 6 on be equipped with the second connecting portion 61 that can supply the connection of second leg member on the child's shallow, connecting seat 6 on still be equipped with transversely extending's cross brace 62.
Compared with the prior art, the utility model has the following advantages:
when the first wheel assembly needs to be folded, the first connecting rod assembly is rotated, the first wheel assembly is driven to rotate through the driving assembly when the first connecting rod assembly rotates, the first wheel assembly moves from the vertical unfolding position to the horizontal folding position, at the moment, the first wheel assembly, the first rod and the first connecting rod assembly are positioned on the same horizontal plane, and after the first wheel assembly is folded, the occupied space of the whole structure is smaller, flatter and more convenient to carry.
[ description of the drawings ]
FIG. 1 is one of the perspective views of the folding structure of the wheel assembly of the stroller of the present utility model;
FIG. 2 is a second perspective view of the folding structure of the wheel assembly of the stroller of the present utility model;
FIG. 3 is a side view of the wheel assembly of the child stroller of the present utility model;
FIG. 4 is an exploded view of the wheel assembly folding structure of the child stroller of the present utility model;
FIG. 5 is an enlarged view of area A of FIG. 4;
FIG. 6 is an exploded view of the drive assembly in the wheel assembly folding structure of the stroller of the present utility model;
FIG. 7 is a perspective view of a first lever in the wheel assembly folding structure of the child stroller of the present utility model;
FIG. 8 is an exploded view of the locking structure in the bottom bracket of the child stroller of the present utility model;
FIG. 9 is a perspective view of a cross brace in the bottom bracket of the child stroller of the present utility model;
fig. 10 is a perspective view of the bottom bracket of the child stroller of the present utility model folded.
[ detailed description ] of the utility model
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1 to 8, a first aspect of the present utility model provides a wheel assembly folding structure of a stroller, comprising a first rod 1, a first connecting end 1A of the first rod 1 is connected with a first wheel assembly 2 capable of rotating relative to the first rod to move from a vertical unfolded position to a horizontal folded position, the first rod 1 is also connected with a first connecting rod assembly 3 capable of rotating relative to the first rod, and a driving assembly 4 capable of driving the first wheel assembly 2 to rotate and unfold or fold when the first connecting rod assembly 3 rotates is arranged between the first connecting rod assembly 3 and the first wheel assembly 2.
When the first wheel assembly 2 needs to be folded, the first connecting rod assembly 3 is rotated, the first wheel assembly 2 is driven to rotate through the driving assembly 4 when the first connecting rod assembly 3 rotates, the first wheel assembly 2 moves from the vertical unfolding position to the horizontal folding position, at this time, the first wheel assembly 2, the first rod 1 and the first connecting rod assembly 3 are positioned on the same horizontal plane, and after the first wheel assembly 2 is folded, the occupied space of the whole structure is smaller, flatter and more convenient to carry.
The driving assembly 4 comprises a first bevel gear part 41 arranged on the first wheel assembly 2, and a second bevel gear part 42 which can be meshed with the first bevel gear part 41 is arranged on the first connecting rod assembly 3. The first bevel gear part 41 and the second bevel gear part 42 are meshed for transmission. When the first connecting rod assembly 3 is locked, the first connecting rod assembly 3 cannot rotate relative to the first rod 1, and the first wheel assembly 2 cannot be driven by the driving assembly 4 to rotate relative to the first rod 1.
The rotation axis B of the first bevel gear portion 41 is perpendicular to the rotation axis C of the second bevel gear portion 42.
The first wheel assembly 2 comprises a first wheel seat 21 rotatably connected to the first connecting end 1A of the first rod 1, a first wheel fork 22 capable of rotating relative to the first wheel seat 21 is connected to the first wheel seat 21, a first wheel 23 is connected to the lower end of the first wheel fork 22, and the first bevel gear part 41 is arranged on the first wheel seat 21. The first fork 22 is capable of universal rotation relative to the first wheel mount 21.
The first connecting rod assembly 3 comprises a first rotating seat 31 which is rotatably connected to the side edge of the first rod 1, the first rotating seat 31 is connected with a first connecting rod 32 which transversely extends, the second bevel gear part 42 is arranged on the first rotating seat 31, and the first rotating seat 31 is also provided with a first connecting part 311 which can be connected with a first leg rod piece on the baby carriage. The first connecting portion 311 is used for connecting to the first leg bar, and when the stroller is folded, the first connecting bar assembly 3 moves along with the stroller, so that the first wheel assembly 2 is automatically folded.
The first limiting assembly 5 capable of limiting the rotation of the first wheel assembly 2 is arranged between the first wheel seat 21 and the first connecting end 1A of the first rod 1, the first limiting assembly 5 comprises a first limiting block 51 arranged on the first rod 1, and a first limiting groove 52 capable of allowing the first limiting block 51 to move inside is formed in the first wheel seat 21. The first limiting groove 52 and the first limiting block 51 cooperate to limit the position of the first wheel assembly 2 for unfolding and folding.
As shown in fig. 1, 9 and 10, the second aspect of the present utility model provides a bottom support frame of a stroller, which comprises the wheel assembly folding structure of the stroller, wherein the second connecting end 1B of the first rod 1 is connected with a connecting seat 6, the connecting seat 6 is connected with a second wheel assembly 7 capable of rotating relative to the connecting seat to move from a vertical unfolded position to a horizontal folded position, and a locking structure 8 capable of locking the second wheel assembly 7 and the second connecting end 1B of the first rod 1 is arranged between the second wheel assembly 7 and the second connecting end 1B.
When the first wheel assembly 2 needs to be folded, the first connecting rod assembly 3 is rotated, the first wheel assembly 2 is driven to rotate by the driving assembly 4 when the first connecting rod assembly 3 rotates, the first wheel assembly 2 moves from the vertical unfolding position to the horizontal folding position, at the moment, the first wheel assembly 2, the first rod 1 and the first connecting rod assembly 3 are positioned on the same horizontal plane, then the locking of the locking structure 8 is released, at the moment, the second wheel assembly 7 can rotate relative to the connecting seat 6 to be folded, at the moment, the second wheel assembly 7, the first wheel assembly 2, the first rod 1, the connecting seat 6 and the first connecting rod assembly 3 are positioned on the same horizontal plane, and after the first wheel assembly 2 and the second wheel assembly 7 are folded, the occupied space of the whole structure is smaller and the whole structure is more convenient to carry.
The locking structure 8 comprises a locking position 81 arranged on the second wheel assembly 7, a locking piece 82 which can slide relatively to the second wheel assembly 7 and be clamped in or separated from the locking position 81 is arranged on the second wheel assembly 7, an operating part 821 which can be operated is arranged on the locking piece 82, and an elastic reset piece 83 which can reset the locking piece 82 is arranged between the locking piece 82 and the second wheel assembly 7. When the second wheel assembly 7 needs to be folded, the locking piece 82 is pushed to move the operation part 821, the operation part 821 drives the locking piece 82 to slide relative to the connecting seat 6 to be separated from the locking position 81, at this time, the locking structure 8 is unlocked, and the second wheel assembly 7 can rotate and fold relative to the connecting seat 6.
1. The second wheel assembly 7 comprises a second wheel seat 71 rotatably connected to the connecting seat 6, a second wheel fork 72 capable of rotating relative to the second wheel seat 71 is connected to the second wheel seat 71, a second wheel 73 is connected to the lower end of the second wheel fork 72, and the locking position 81 is arranged on the second wheel seat 71. The second fork 72 can rotate in a universal direction relative to the second wheel mount 71.
The second wheel seat 71 and the connecting seat 6 between be equipped with the second spacing subassembly 9 that can restrict the pivoted of second wheel subassembly 7, second spacing subassembly 9 including locating the second stopper 91 on the connecting seat 6, second wheel subassembly 7 on be equipped with the second spacing groove 92 that can supply second stopper 91 to move about including, connecting seat 6 on be equipped with the second connecting portion 61 that can supply the connection of second leg member on the child's shallow, connecting seat 6 on still be equipped with transversely extending's cross brace 62. The second stopper 91 and the second stopper groove 92 cooperate to define the position where the second wheel assembly 7 is rotated to be unfolded and folded. The second connection 61 facilitates connection of the second leg bar.
Claims (10)
1. The utility model provides a wheel subassembly folding structure of children's shallow which characterized in that: the folding device comprises a first rod (1), wherein a first connecting end (1A) of the first rod (1) is connected with a first wheel assembly (2) which can rotate relative to the first rod and move from a vertical unfolding position to a horizontal folding position, the first rod (1) is also connected with a first connecting rod assembly (3) which can rotate relative to the first rod, and a driving assembly (4) which can drive the first wheel assembly (2) to rotate and unfold or fold is arranged between the first connecting rod assembly (3) and the first wheel assembly (2).
2. The wheel assembly folding structure of the stroller of claim 1, wherein: the driving assembly (4) comprises a first bevel gear part (41) arranged on the first wheel assembly (2), and a second bevel gear part (42) which can be meshed with the first bevel gear part (41) is arranged on the first connecting rod assembly (3).
3. The wheel assembly folding structure of the stroller of claim 2, wherein: the rotation axis B of the first bevel gear part (41) is perpendicular to the rotation axis C of the second bevel gear part (42).
4. A wheel assembly folding structure of a stroller according to claim 3, characterized in that: the first wheel assembly (2) comprises a first wheel seat (21) which is rotationally connected to a first connecting end (1A) of the first rod (1), a first wheel fork (22) which can rotate relative to the first wheel seat (21) is connected to the first wheel seat, a first wheel (23) is connected to the lower end of the first wheel fork (22), and a first bevel gear part (41) is arranged on the first wheel seat (21).
5. The wheel assembly folding structure of the stroller of claim 2, wherein: the first connecting rod assembly (3) comprises a first rotating seat (31) which is rotationally connected to the side edge of the first rod (1), the first rotating seat (31) is connected with a first connecting rod (32) which transversely extends, the second bevel gear part (42) is arranged on the first rotating seat (31), and the first rotating seat (31) is further provided with a first connecting part (311) which can be connected with a first leg rod piece on the baby carriage.
6. The wheel assembly folding structure of the stroller of claim 4, wherein: the first limiting component (5) capable of limiting the rotation of the first wheel component (2) is arranged between the first wheel seat (21) and the first connecting end (1A) of the first rod (1), the first limiting component (5) comprises a first limiting block (51) arranged on the first rod (1), and the first wheel seat (21) is provided with a first limiting groove (52) capable of enabling the first limiting block (51) to move inside.
7. The bottom support frame of children's shallow, its characterized in that: the folding structure of the wheel assembly of the stroller according to any one of claims 1 to 6, wherein the second connecting end (1B) of the first rod (1) is connected with a connecting seat (6), the connecting seat (6) is connected with a second wheel assembly (7) which can rotate relative to the connecting seat and move from a vertical unfolding position to a horizontal folding position, and a locking structure (8) which can lock the second wheel assembly (7) and the second connecting end (1B) of the first rod (1) is arranged between the second wheel assembly and the second connecting end.
8. The bottom bracket of the stroller of claim 7, wherein: the locking structure (8) comprises a locking position (81) arranged on a second wheel assembly (7), a locking piece (82) which can slide relatively to the second wheel assembly to be clamped in or separated from the locking position (81) is arranged on the second wheel assembly (7), an operating part (821) capable of being operated is arranged on the locking piece (82), and an elastic reset piece (83) capable of enabling the locking piece (82) to reset is arranged between the locking piece (82) and the second wheel assembly (7).
9. The bottom bracket of the stroller of claim 8, wherein: the second wheel assembly (7) comprises a second wheel seat (71) which is rotatably connected to the connecting seat (6), a second wheel fork (72) which can rotate relative to the second wheel seat (71) is connected to the second wheel seat, a second wheel (73) is connected to the lower end of the second wheel fork (72), and a locking position (81) is arranged on the second wheel seat (71).
10. The bottom bracket of the stroller of claim 9, wherein: the utility model provides a child stroller, including seat (6), seat (6) and seat (6), seat (7) and seat (6) between be equipped with second wheel subassembly (7) pivoted second spacing subassembly (9), second spacing subassembly (9) including locating second stopper (91) on seat (6), second wheel subassembly (7) on be equipped with second spacing groove (92) that can supply second stopper (91) to move about including, seat (6) on be equipped with second connecting portion (61) that can supply the connection of second leg member on the child stroller, seat (6) on still be equipped with transverse strut (62) of transversely extending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321389370.XU CN219927772U (en) | 2023-06-01 | 2023-06-01 | Wheel assembly folding structure of children's barrow and bottom support frame of children's barrow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321389370.XU CN219927772U (en) | 2023-06-01 | 2023-06-01 | Wheel assembly folding structure of children's barrow and bottom support frame of children's barrow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219927772U true CN219927772U (en) | 2023-10-31 |
Family
ID=88492693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321389370.XU Active CN219927772U (en) | 2023-06-01 | 2023-06-01 | Wheel assembly folding structure of children's barrow and bottom support frame of children's barrow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219927772U (en) |
-
2023
- 2023-06-01 CN CN202321389370.XU patent/CN219927772U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |