CN217892958U - Children's barrow - Google Patents
Children's barrow Download PDFInfo
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- CN217892958U CN217892958U CN202221623033.8U CN202221623033U CN217892958U CN 217892958 U CN217892958 U CN 217892958U CN 202221623033 U CN202221623033 U CN 202221623033U CN 217892958 U CN217892958 U CN 217892958U
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- frame
- push rod
- connecting rod
- axis
- link
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- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 5
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- 230000009471 action Effects 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 3
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- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a children's shallow, its frame includes fore-stock, after-poppet and push rod frame, push rod frame's lower part the upper portion of fore-stock reaches the mutual pivot connection in upper portion of after-poppet, the frame still includes link, first connecting rod and second connecting rod, first connecting rod is in around first axial lead pivot connection on the after-poppet, first connecting rod has the branch to be located the first end and the second end of the different both sides of first axial lead, link pivot connection push rod frame with between the first end, second connecting rod pivot connection the fore-stock with between the second end. During folding operation, the push rod frame is acted by external force or depends on the gravity action of the push rod frame, so that the push rod frame can rotate towards the rear side of the rear support so as to link the rods in the frame to rotate relatively and fold the rods together.
Description
Technical Field
The utility model relates to a children article field, concretely relates to children's shallow.
Background
The existing stroller has various structures, the number of rods and the connection relationship are different, the folding principle, the folded form and the folded size are different accordingly, and how to make the structure of the stroller frame as simple as possible, the folding operation more convenient and the folded volume as small as possible on the premise of ensuring the good stability and the normal use performance of the stroller, which is a target continuously pursued by technical personnel in the field.
Disclosure of Invention
The utility model aims at providing a children's shallow of novel structure.
In order to achieve the purpose, the utility model adopts the technical proposal that: the utility model provides a child cart, includes the frame that has expansion state and fold condition, locates anterior front wheel subassembly at the bottom of the frame, locates rear wheel subassembly at rear portion at the bottom of the frame, the frame includes along fore-stock, after-poppet and the push rod frame that extends from top to bottom under the expansion state separately, the front wheel subassembly is located the bottom of fore-stock, the rear wheel subassembly is located the bottom of after-poppet, the lower part of push rod frame both pivotal connection and third party pivotal connection in the upper portion of fore-stock and the upper portion of after-poppet are on one of the aforesaid both, perhaps the lower part of push rod frame the upper portion of fore-stock and the upper portion of after-poppet all pivotal connection, the frame still includes link, first connecting rod and second connecting rod, first connecting rod is in around first axial lead pivotal connection on the after-poppet, first connecting rod has the first tip and the second tip that the part located first axial lead looks different both sides, link pivotal connection with between the first tip, second connecting rod pivotal connection is in the fore-poppet with between the second tip.
Preferably, the upper part of the front bracket, the upper part of the rear bracket and the lower part of the push rod frame are connected together by a pivot around a second axis, and the first axis is located below the second axis in the length extending direction of the rear bracket; the connecting frame is connected to the push rod frame around a third axis line pivot, and the third axis line is located above the second axis line.
Further, the frame is in under the expanded state, the link extends along the fore-and-aft direction, first end is located the top of second end, first end around the fourth axis with the link pivot is connected, the fourth axis is located the rear of third axis.
Further, the frame further comprises a seat frame and a third connecting rod, the seat frame is pivotally connected to one of the upper portion of the front support, the upper portion of the rear support and the lower portion of the push rod frame, the third connecting rod is pivotally connected between the seat frame and the first connecting rod or pivotally connected between the seat frame and the second connecting rod, and the frame is in an unfolded state, and the connecting frame is located above the seat frame.
In some embodiments, the seat frame is pivotally connected to the upper portion of the front frame, the upper portion of the rear frame, and the lower portion of the push rod frame together about the second axis.
In some embodiments, one end of the third link is pivotally connected to the seat frame about a fifth axis, and the other end of the third link, the second end of the first link, and one end of the second link are all pivotally connected about a sixth axis, wherein the seat frame extends in the fore-and-aft direction when the frame is in the deployed state, and the fifth axis is located behind the second axis.
In some embodiments, the connecting frame is an armrest frame, the frame is in the unfolded state, and the connecting frame and the seat frame are both U-shaped frames with openings facing backwards when the frame is in the unfolded state.
Preferably, in the process of converting the frame from the unfolded state to the folded state, the push rod frame rotates towards the rear side of the rear support to fold, and drives the front support and the rear support to fold along the front-rear direction.
Preferably, the push rod frame includes lower push rod frame and upper push rod frame, the upper portion of lower push rod frame with the lower part pivot connection of upper push rod frame, the lower part of lower push rod frame with the upper portion of fore-stock the upper portion of after-poppet is pivot connection altogether, link pivot connection is in on the lower push rod frame, the frame is under fold condition, the fore-stock the after-poppet the lower push rod frame reaches the upper push rod frame is drawn in from preceding back order.
Preferably, the front bracket is provided with two front supporting rods which are respectively arranged at the left side and the right side and extend along the vertical direction, and the lower part of each front supporting rod is provided with a group of front wheel assemblies; the rear support is provided with two rear supporting rods which are respectively arranged at the left side and the right side and extend along the vertical direction, and the lower part of each rear supporting rod is provided with a group of rear wheel assemblies; the push rod frame is including dividing locate the left and right sides and all follow two push rods that the upper and lower direction extends, on each side about the frame, the upper portion of preceding branch the upper portion of back branch reaches the pivot connection is altogether followed to the lower part of push rod, the link has two connecting rods that divide and locate the left and right sides, first connecting rod with the second connecting rod all has and divides two sets of, two sets of locate the left and right sides first connecting rod and second connecting rod, and the link is followed lie in two sets ofly on the left and right directions of frame preceding branch, two sets of back branch reaches two sets of between the push rod.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a children's shallow, the member is small in quantity, and the structure is succinct under the expansion state, acts on the push rod frame through external force during folding operation or rely on the action of gravity of push rod frame self for the push rod frame turns on the back towards the after-poppet alright make each member relative rotation in the frame and draw in each other together in the linkage, folding operation is simple and convenient, and folding frame structure is flat compact, and occupation space is less.
Drawings
Fig. 1 is a schematic perspective view of a stroller according to an embodiment of the present invention in an unfolded state;
FIG. 2 is a side view of the stroller of FIG. 1;
FIG. 3 is a schematic view of the stroller shown in FIG. 1, in which the upper push rod frame is folded relative to the lower push rod frame;
FIG. 4 is a side view of the stroller of FIG. 3;
FIG. 5 is a schematic perspective view of the stroller shown in FIG. 1 during folding;
FIG. 6 is a side view of the stroller of FIG. 5;
FIG. 7 is a schematic perspective view of the stroller of FIG. 1 in a folded state;
FIG. 8 is a side view of the stroller of FIG. 7;
wherein: 10. a front wheel assembly; 20. a rear wheel assembly; 1. a front bracket; 11. a front support rod; 12. a front cross bar; 2. a rear bracket, 21, a rear support rod; 22. a rear cross bar; 3. a push rod frame; 3A, a lower push rod frame; 3B, a lower push rod frame; 31. a lower push rod; 32. an upper push rod; 33. a push rod locking joint; 4. a connecting frame (armrest frame); 41. a grab rail; 5. a first link; 5a, a first end portion; 5b, a second end; 6. a second link; 7. a seat frame; 71. a seat post; 8. a third link; 9. a primary locking joint;
a. a first axis line; b. a second axis; c. a third axis; d. a fourth axis line; e. a fifth axis line; f. a sixth axis; g. a seventh axis line.
Detailed Description
The following descriptions of the front, rear, left, right, up and down directions are defined with reference to the directions observed by a stroller operator pushing the stroller when the stroller is in the unfolded state, and are only intended to clearly illustrate the relative positions of the lever members of the stroller.
The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 8, the stroller includes a frame having an unfolded state and a folded state, a front wheel assembly 10 provided at a front portion of a bottom of the frame, a rear wheel assembly 20 provided at a rear portion of the bottom of the frame, and a locking mechanism for locking the frame in the unfolded state.
The frame comprises a front bracket 1, a rear bracket 2 and a push rod bracket 3 which respectively extend along the up-down direction in an unfolded state, a front wheel assembly 10 is arranged at the bottom of the front bracket 1, a rear wheel assembly 20 is arranged at the bottom of the rear bracket 2, two of the upper part of the front bracket 1, the upper part of the rear bracket 2 and the lower part of the push rod bracket 3 are pivoted, and the third part is pivoted on one of the two, or the upper part of the front bracket 1, the upper part of the rear bracket 2 and the lower part of the push rod bracket 3 are pivoted together.
The frame further comprises a connecting frame 4, a first connecting rod 5 and a second connecting rod 6, wherein the first connecting rod 5 is pivotally connected to the rear support 2 around a first axis a, the first connecting rod 5 is provided with a first end portion 5a and a second end portion 5b which are respectively arranged on two opposite sides of the first axis a, the connecting frame 4 is pivotally connected between the push rod frame 3 and the first end portion 5a, and the second connecting rod 6 is pivotally connected between the front support 1 and the second end portion 5 b.
In the process of converting the frame from the unfolded state to the folded state, the push rod frame 3 rotates towards the rear side of the rear support 2 to fold, and under the action of the connecting frame 4, the first connecting rod 5 and the second connecting rod 6, the front support 1 and the rear support 2 are driven to fold along the front-back direction, so that the integral folding of the frame is realized. Because the push rod frame 3 extends obliquely upwards from front to back in the unfolded state, after the locking mechanism on the frame is unlocked, the push rod frame 3 can automatically rotate and fold towards the rear side of the rear support 2 by means of dead weight, so that the front support 1 and the rear support 2 rotate relatively and gradually fold together along the front and rear directions in a linkage manner, the automatic folding of the frame is realized, and the folding operation is very simple and convenient.
In this embodiment, the upper portion of the front bracket 1, the upper portion of the rear bracket 2, and the lower portion of the push rod frame 3 are pivotally connected together about a second axis b, and the first axis a is located below the second axis b in the length extending direction of the rear bracket 2; the connecting frame 4 is pivotally connected to the push rod frame 3 about a third axis c, which is located above the second axis b. When the frame is in the unfolded state, the connecting frame 4 extends along the front-back direction, the first connecting rod 5 extends along the up-down direction, the first end part 5a is positioned above the second end part 5b, the first end part 5a is pivoted with the connecting frame 4 around a fourth axial line d, and the fourth axial line d is positioned behind the third axial line c; the second link 6 extends in the up-down direction, and the second link 6 is pivotally connected to the second end portion 5b about a sixth axis f, which is located below the first axis a.
The frame further comprises a seat frame 7 and a third connecting rod 8, wherein the seat frame 7 is pivotally connected to one of the upper portion of the front support 1, the upper portion of the rear support 2 and the lower portion of the push rod frame 3, the third connecting rod 8 is pivotally connected between the seat frame 7 and the first connecting rod 5 or between the seat frame 7 and the second connecting rod 6, and the connecting frame 4 is located above the seat frame 7 when the frame is in the unfolded state. Here, the connecting frame 4 and the seat frame 7 are both U-shaped frames that open backwards when the frame is in the unfolded state, and the connecting frame 4 is specifically a handrail frame, which can form a fence and a guard on the front side of the body of the child carried on the seat frame 7.
In this embodiment, the seat frame 7 is pivotally connected to the upper portion of the front frame 1, the upper portion of the rear frame 2, and the lower portion of the push rod frame 3 together about the second axis line b, one end portion of the third link 8 is pivotally connected to the seat frame 7 about the fifth axis line e, the other end portion of the third link 8, the second end portion 5b of the first link 5, and the upper end portion of the second link 6 are pivotally connected together about the sixth axis line f, and the seat frame 7 extends in the front-rear direction with the vehicle frame in the unfolded state, and the fifth axis line e is located behind the second axis line b.
In this embodiment, the push rod frame 3 is foldable along its length direction, specifically, the push rod frame 3 includes a lower push rod frame 3A and an upper push rod frame 3B, wherein the upper portion of the lower push rod frame 3A is pivotally connected to the lower portion of the upper push rod frame 3B, the lower portion of the lower push rod frame 3A is pivotally connected to the upper portion of the front frame 1 and the upper portion of the rear frame 2, and the connecting frame 4 is pivotally connected to the lower push rod frame 3A.
More specifically, referring to the drawings, the stroller of the present embodiment is specifically configured with the following rod members:
the front bracket 1 comprises two front support rods 11 which are respectively arranged at the left side and the right side and extend along the vertical direction, and a front cross rod 12 fixedly arranged between the lower parts of the two groups of front support rods 11, wherein the bottom of each front support rod 11 is provided with a group of front wheel assemblies 10; the rear bracket 2 comprises two rear supporting rods 21 which are respectively arranged at the left side and the right side and extend along the vertical direction, a rear cross rod 22 fixedly arranged between the lower parts of the two groups of rear supporting rods 21, and a group of rear wheel assemblies 20 are arranged at the bottom of each rear supporting rod 21; the push rod frame 3 comprises two push rods which are respectively arranged at the left side and the right side and extend along the vertical direction, the push rod at each side comprises a lower push rod 31 and an upper push rod 32 which are pivoted around a seventh axial lead g, wherein the upper push rods 32 at the two sides are integrally arranged to form a U-shaped rod with a downward opening. On each of the left and right sides of the vehicle frame, the upper portion of the front stay 11, the upper portion of the rear stay 21, and the lower portion of the push-down lever 31 are pivotally connected together about a second axial line b.
The connecting frame 4 is a U-shaped frame with a backward opening, and has two connecting rods 41 respectively arranged on the left and right sides and extending in the front-back direction; the seat frame 7 is also a U-shaped frame with a rearward opening, and has two seat bars 71 that are respectively disposed on the left and right sides and extend in the front-rear direction, the first connecting rod 5, the second connecting rod 6, and the third connecting rod 8 each have two groups that are respectively disposed on the left and right sides, and the connecting frame 4, the seat frame 7, the two groups of first connecting rods 5, the second connecting rod 6, and the third connecting rod 8 are respectively disposed between the front support bars 11 on both sides, the rear support bars 21 on both sides, and the lower support bars 31 on both sides in the left-right direction.
On each of the left and right sides of the frame, a connecting rod 71 is rotatably connected to the lower push rod 31 about a third axis c, a first link 5 is rotatably provided on the rear stay 21 about a first axis a, and a first end portion 5a of an upper end of the first link 5 is rotatably provided at a rear portion of the connecting rod 71 about a fourth axis d; the seat rod 71 is pivoted around a second axial line b to the upper part of the front support rod 11, the upper part of the rear support rod 21 and the lower part of the lower push rod 31, the rear part of the seat rod 71 is pivoted around a fifth axial line e to the upper part of the third connecting rod 8, the lower part of the third connecting rod 8, the second end part 5b at the lower end of the first connecting rod 5 and the upper part of the second connecting rod 6 are pivoted around a fifth axial line f, and the lower part of the second connecting rod 6 is pivoted at the lower part of the front support rod 11. On each of the left and right sides of the frame, a four-bar linkage is formed between the down-push rod 31, the connecting rod 41, the first link 5 and the rear link 21, between the front link 11, the second link 6, the third link 8 and the seat rod 71, and between the front link 11, the rear link 21, the second link 6 and the first link 5.
In this embodiment, the locking mechanism on the stroller includes a push rod locking joint 33 disposed between the upper push rod 32 and the lower push rod 31 for locking the upper push rod 32 and the lower push rod 31, and a main locking joint 9 disposed between the upper portion of the front support rod 11, the upper portion of the rear support rod 21, and the lower portion of the lower push rod 31 for locking the three relatively, the push rod locking joint 33 and the main locking joint 9 are respectively provided with two sets disposed on the left and right sides of the frame, and the push rod locking joint 33 and the main locking joint 9 on the same side are disposed in a linkage unlocking manner, specifically, after the push rod locking joint 33 is unlocked, the main locking joint 9 is unlocked in a linkage manner in a process of driving the upper push rod 32 to rotate and fold relative to the lower push rod 31.
In the unfolded state of the stroller of this embodiment, referring to fig. 1 and 2, the overall structure of the stroller is simple, and the seat frame 7 is located at a higher position on the premise that the front bracket 1 and the rear bracket 2 are fixed in height. When the stroller of this embodiment is folded, as shown in fig. 3 and 4, the push rod locking joint 33 is unlocked and then the upper push rod frame 3B is driven to turn and fold to the front side of the lower push rod frame 3A, and in the above process, the main locking joint 9 is interlocked and unlocked. Then, when an operator applies an external force to the push rod frame 3 or depends on the gravity action of the push rod frame 3, the push rod frame 3 is turned and folded integrally towards the rear of the rear support 2, the front support 1 and the rear support 2 are gradually folded along the front-rear direction through linkage, the front wheel assembly 10 and the rear wheel assembly 20 are gradually closed and folded along the front-rear direction, the two sets of front wheel assemblies 10 are folded between the two sets of rear wheel assemblies 20 along the left-right direction, and the seat frame 7 and the connecting frame 4 are folded among the front support 1, the rear support 2 and the push rod frame 3. In the folded state, as shown in fig. 7 and 8, the front holder 1, the rear holder 2, the lower push rod holder 3A, and the upper push rod holder 3B are sequentially folded from front to back. The folded frame structure is very flat and can stand on the ground by means of the two sets of front wheel assemblies 10 and the two sets of rear wheel assemblies 20.
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 (10)
1. The utility model provides a children's shallow, includes the frame that has expansion state and fold condition, locates anterior front wheel subassembly at the bottom of the frame, locate rear wheel subassembly at rear portion at the bottom of the frame, its characterized in that: the frame comprises a front support, a rear support and a push rod frame which respectively extend along the up-and-down direction in an unfolded state, the front wheel assembly is arranged at the bottom of the front support, the rear wheel assembly is arranged at the bottom of the rear support, two of the lower part of the push rod frame, the upper part of the front support and the upper part of the rear support are in pivot connection, and the third part is in pivot connection with one of the two, or the lower part of the push rod frame, the upper part of the front support and the upper part of the rear support are in common pivot connection,
the frame still includes link, first connecting rod and second connecting rod, first connecting rod is in around first axial lead pivot connection on the after-poppet, first connecting rod has the branch to be located the first end and the second end of the different both sides of first axial lead, the link pivot connection the push rod frame with between the first end, second connecting rod pivot connection the fore-stock with between the second end.
2. The stroller of claim 1, wherein: the upper part of the front bracket, the upper part of the rear bracket and the lower part of the push rod frame are connected in a pivot mode around a second axial line, and the first axial line is located below the second axial line in the length extending direction of the rear bracket; the connecting frame is connected to the push rod frame around a third axis pivot, and the third axis is located above the second axis.
3. The stroller of claim 2, wherein: the frame is in under the expansion state, the link extends along the fore-and-aft direction, first end is located the top of second end, first end around the fourth axis with the link pivot is connected, the fourth axis is located the rear of third axis.
4. The stroller of claim 2, wherein: the frame further comprises a seat frame and a third connecting rod, the seat frame is pivotally connected to one of the upper portion of the front support, the upper portion of the rear support and the lower portion of the push rod frame, the third connecting rod is pivotally connected between the seat frame and the first connecting rod or between the seat frame and the second connecting rod, the frame is in an unfolded state, and the connecting frame is located above the seat frame.
5. The stroller of claim 4, wherein: the seat frame is connected with the upper part of the front bracket, the upper part of the rear bracket and the lower part of the push rod frame together around the second axis pivot.
6. The stroller of claim 5, wherein: one end of the third connecting rod is connected with the seat frame through a pivot shaft around a fifth axis, the other end of the third connecting rod, the second end of the first connecting rod and one end of the second connecting rod are connected with the seat frame through a pivot shaft around a sixth axis, the seat frame extends in the front-back direction when the frame is in an unfolded state, and the fifth axis is located behind the second axis.
7. The stroller of claim 4, wherein: the connecting frame is a handrail frame, the frame is in the expansion state, and the connecting frame and the seat frame are U-shaped frames with backward openings in the expansion state.
8. The stroller of claim 1, wherein: in the process of converting the frame from the unfolding state to the folding state, the push rod frame rotates towards the rear side of the rear support to be folded, and drives the front support and the rear support to be folded along the front-rear direction.
9. The stroller of claim 1, wherein: the push rod frame includes lower push rod frame and upper push rod frame, the upper portion of lower push rod frame with the lower part pivot connection of upper push rod frame, the lower part of lower push rod frame with the upper portion of fore-stock the upper portion of after-poppet is pivot connection altogether, the link pivot connection be in on the lower push rod frame, the frame is under fold condition, the fore-stock the after-poppet the lower push rod frame reaches the upper push rod frame is drawn in from preceding back order.
10. Child stroller according to any of claims 1 to 9, characterized in that: the front support is provided with two front support rods which are respectively arranged at the left side and the right side and extend along the vertical direction, and the lower part of each front support rod is provided with a group of front wheel assemblies; the rear support is provided with two rear supporting rods which are respectively arranged at the left side and the right side and extend along the vertical direction, and the lower part of each rear supporting rod is provided with a group of rear wheel assemblies; the push rod frame is including dividing locate the left and right sides and all follow two push rods that the upper and lower direction extends, on each side about the frame, the upper portion of preceding branch the upper portion of back branch reaches the pivot connection is altogether followed to the lower part of push rod, the link has two connecting rods that divide and locate the left and right sides, first connecting rod with the second connecting rod all has and divides two sets of, two sets of locate the left and right sides first connecting rod and second connecting rod, and the link is followed lie in two sets ofly on the left and right directions of frame preceding branch, two sets of back branch reaches two sets of between the push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221623033.8U CN217892958U (en) | 2022-06-27 | 2022-06-27 | Children's barrow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221623033.8U CN217892958U (en) | 2022-06-27 | 2022-06-27 | Children's barrow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217892958U true CN217892958U (en) | 2022-11-25 |
Family
ID=84131818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221623033.8U Active CN217892958U (en) | 2022-06-27 | 2022-06-27 | Children's barrow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217892958U (en) |
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2022
- 2022-06-27 CN CN202221623033.8U patent/CN217892958U/en active Active
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