CN106828580B - Children's barrow - Google Patents
Children's barrow Download PDFInfo
- Publication number
- CN106828580B CN106828580B CN201611232572.8A CN201611232572A CN106828580B CN 106828580 B CN106828580 B CN 106828580B CN 201611232572 A CN201611232572 A CN 201611232572A CN 106828580 B CN106828580 B CN 106828580B
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- rod
- bracket
- frame
- pivoted
- folded
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
- B62B7/083—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis the wheel axes being moved from each other during folding
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention discloses a child cart, the frame of which comprises a front wheel bracket, a rear wheel bracket, a push rod, a seat frame and a swing rod, wherein the lower part of the front wheel bracket is provided with a front wheel, the lower part of the rear wheel bracket is provided with a rear wheel, the lower part of the push rod is pivoted with the upper part of the front wheel bracket, the seat frame extends along the front-back direction and is connected between the front wheel bracket and the rear wheel bracket, the rear wheel bracket comprises a rear lower bracket and a rear upper bracket which are pivoted, when the frame is unfolded, the rear upper bracket and the rear lower bracket extend along the same length direction to provide support for the rear part of the frame, when the frame is folded, the rear upper bracket and the rear lower bracket are relatively turned over to fold the rear wheel bracket along the vertical direction to shorten the length, so that the overall size of the folded frame is greatly reduced, and rod pieces on the folded frame can also be tightly folded together to present a very compact structure.
Description
Technical Field
The invention relates to a baby stroller.
Background
In the prior art, there are various types and structures of carts, and they generally include a foldable cart frame, a wheel assembly provided at the bottom of the cart frame, and a locking mechanism for locking the cart frame in an unfolded state. At present, the stroller frames are various in types, the number of the rod pieces is different, and the connection relation and the connection position between the rod pieces are different, so that the folding principle and the folding mode of the stroller frames are different. It is always a goal of those skilled in the art to improve the stability of the stroller frame when it is unfolded, simplify the structure of the stroller frame and the folding and unfolding operations, and reduce the volume of the folded stroller frame as much as possible.
Disclosure of Invention
The invention aims to provide a baby stroller which is simple in structure, small in overall size after being folded and compact in structure.
In order to achieve the purpose, the invention adopts the technical scheme that: 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 under the frame, be used for with the locking mechanical system of frame locking under the expansion state, the frame includes:
the lower part of the front wheel bracket is provided with the front wheel assembly;
the lower part of the push rod is in pivot connection with the upper part of the front wheel bracket;
the rear wheel bracket comprises a rear lower bracket of which the lower part is provided with the rear wheel assembly and a rear upper bracket of which the lower part is pivoted with the upper part of the rear lower bracket, and the upper part of the rear upper bracket is pivoted with the upper part of the push rod;
the swing rod extends obliquely in the front-back direction, the front part of the swing rod is pivoted with the lower part of the push rod or the upper part of the front wheel bracket, and the rear part of the swing rod is pivoted with the lower part of the rear lower bracket;
the seat frame comprises a seat rod, a front connecting rod and a rear connecting rod, wherein the seat rod extends in the front-back direction and is pivoted with the swing rod, the front connecting rod is pivoted on the front wheel bracket, the rear connecting rod is pivoted with the front part of the seat rod, the front connecting rod is pivoted with the rear part of the seat rod, and the rear connecting rod is pivoted on the rear lower bracket;
when the frame is folded, the seat post and the swing rod are turned relatively to drive the front wheel bracket and the rear lower bracket to be gradually folded along the front-rear direction, and the push rod and the rear upper bracket are turned backwards and gradually folded to the rear side of the rear lower bracket.
Preferably, the frame further comprises a push handle rod connected with the push rod, and when the frame is folded, the push handle rod is folded relative to the push rod and is turned backwards together with the push rod and the rear upper support to be folded to the rear side of the rear lower support.
Furthermore, the lower part of the push handle rod is pivoted with the upper part of the push rod, and when the frame is folded, the push handle rod turns forwards to be folded to the front side of the push rod and then turns backwards together with the push rod and the rear upper support.
Further, when the frame is in the unfolding state, the push handle rod and the push rod extend along the same length direction.
Preferably, when the frame is in the unfolded state, the push rod and the front wheel bracket extend along the same length direction, and the rear upper bracket and the rear lower bracket extend along the same length direction.
Preferably, the lower part of the push rod, the upper part of the front wheel bracket and the front part of the swing rod are rotatably connected around the same rotation axis.
Preferably, the swing rod is pivotally connected to the seat rod through a first shaft, the front portion of the seat rod is pivotally connected to the rear portion of the front connecting rod through a second shaft, the rear portion of the seat rod is pivotally connected to the front portion of the rear connecting rod through a third shaft, and the first shaft is located between the second shaft and the third shaft in the front-rear direction.
Furthermore, the front part of the front connecting rod is connected to the front wheel bracket through a fourth shaft pivot, and the position of the front wheel bracket, which is connected with the push rod through the pivot, is located above the fourth shaft.
Furthermore, the rear part of the rear connecting rod is connected to the rear lower bracket through a fifth shaft pivot, and the position where the upper part of the rear lower bracket is connected with the lower part of the rear upper bracket through the pivot is located above the fifth shaft.
Preferably, the front wheel assembly has two front wheels respectively arranged at the left side and the right side of the bottom of the front wheel support, the rear wheel assembly has two rear wheels respectively arranged at the left side and the right side of the bottom of the rear lower support, when the frame is folded, the front wheel assembly and the rear wheel assembly are close to each other, and the rear wheels at the two sides are folded to the space between the front wheels at the two sides along the left-right direction.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the stroller has the advantages that the number of the rod pieces is small, the structure is simple and the rigidity is good when the stroller frame is unfolded, the folding operation of the stroller frame is convenient, the rear wheel support can be folded along the vertical direction to shorten the length when the stroller frame is folded, the overall size of the folded stroller frame is greatly reduced, and the rod pieces on the folded stroller frame can be tightly folded together to present a very compact structure.
Drawings
FIG. 1 is a side view of the stroller of the present invention in a deployed position;
FIG. 2 is a side view of the stroller of the present invention in a semi-collapsed position;
FIG. 3 is a side view of the stroller of the present invention in a folded configuration;
wherein: 1. a front wheel support; 2. a push rod; 3. a rear lower bracket; 31. a connector; 4. a rear upper bracket; 5. a swing rod; 6. a seat post; 7. a front link; 8. a rear connecting rod; 9. a handle pushing rod;
11. a first shaft; 12. a second shaft; 13. a third axis; 14. a fourth axis; 15. a fifth shaft; 16. a sixth axis; 17. a seventh axis; 18. an eighth axis; 19. a ninth axis;
20. a front wheel assembly; 30. a rear wheel assembly.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1 to 3, the stroller includes a frame having an unfolded state and a folded state, a front wheel assembly 20 provided at a front portion of the frame bottom, a rear wheel assembly 30 provided at a rear portion of the frame bottom, and a locking mechanism for locking the frame in the unfolded state. This frame includes:
a front wheel bracket 1 which gradually extends upwards from front to back, and a front wheel assembly 20 is arranged at the lower part of the front wheel bracket 1;
the lower part of the push rod 2 is pivoted with the upper part of the front wheel bracket 1;
the rear wheel bracket comprises a rear lower bracket 3 and a rear upper bracket 4 which respectively extend along the up-down direction, the lower part of the rear upper bracket 4 is pivoted with the upper part of the rear lower bracket 3, and the upper part of the rear upper bracket 4 is pivoted with the upper part of the push rod 2; the rear wheel assembly 30 is mounted at the lower part of the rear lower bracket 3;
the swing rod 5 extends obliquely in the front-back direction, the swing rod 5 gradually extends upwards from back to front, the front part of the swing rod 5 is pivoted with the lower part of the push rod 2 or the upper part of the front wheel bracket 1, and the rear part of the swing rod 5 is pivoted with the lower part of the rear lower bracket 3;
the seat frame is connected between the front wheel bracket 1 and the rear lower bracket 3 and comprises a seat rod 6 extending in the front-rear direction and pivoted with the swing rod 5, a front connecting rod 7 arranged on the front side of the seat rod 6 and a rear connecting rod 8 arranged on the rear side of the seat rod 6, wherein the front part of the front connecting rod 7 is pivoted on the front wheel bracket 1, the rear part of the front connecting rod 7 is pivoted with the front part of the seat rod 6, the front part of the rear connecting rod 8 is pivoted with the rear part of the seat rod 6, and the rear part of the rear connecting rod 8 is pivoted on the rear lower bracket 3.
Referring to fig. 1 to 3, the frame further includes a push handle rod 9 connected above the push rod 2, the push handle rod 9 can be folded with respect to the push rod 2, and in particular, when the frame is set, the lower portion of the push handle rod 9 and the upper portion of the push rod 2 are pivotally connected to each other to be able to be turned and folded relatively, and the push handle rod 9 can be set to slide and stretch with respect to the push rod 2 or be connected to the push rod 2 in other ways to be folded.
Referring to fig. 1, in the present embodiment, the swing link 5 and the seat link 6 are disposed to intersect with each other and are pivotally connected to each other at the intersection by the first shaft 11; the front part of the seat post 6 is pivotally connected with the rear part of the front connecting rod 7 through a second shaft 12, and the rear part of the seat post 6 is pivotally connected with the front part of the rear connecting rod 8 through a third shaft 13; the front part of the front connecting rod 7 is pivotally connected to the front wheel bracket 1 through a fourth shaft 14, and the rear part of the rear connecting rod 8 is pivotally connected to the rear lower bracket 3 through a fifth shaft 15. The fourth shaft 14, the second shaft 12, the first shaft 11, the third shaft 13, and the fifth shaft 15 are sequentially spaced in the front-rear direction.
Referring to fig. 1, in the present embodiment, the upper portion of the front wheel carrier 1, the lower portion of the push rod 2 and the front portion of the swing link 5 are rotatably connected around the same rotational axis, and here, the three are pivotally connected together by a sixth shaft 16, and the sixth shaft 16 is located above the fourth shaft 14 on the front wheel carrier 1.
Referring to fig. 1, the lower part of the rear upper carriage 4 is pivotally connected to the upper part of the rear lower carriage 3 by a seventh shaft 17, where the seventh shaft 17 is located above the fifth shaft 15. The upper part of the rear upper bracket 4 is pivoted with the upper part of the push rod 2 through an eighth shaft 18; the lower part of the rear lower frame 3 has a forwardly extending coupling head 31, and the rear part of the swing link 5 is pivotally coupled to the front end of the coupling head 31 by a ninth shaft 19.
Referring to fig. 1, when the stroller is unfolded and used, the frame is locked in the unfolded state by the locking mechanism, the front wheel bracket 1, the push rod 2 and the push handle rod 9 extend along the same length direction, the rear lower bracket 3 and the rear upper bracket 4 also extend along the same length direction, the front wheel assembly 20 and the rear wheel assembly 30 are supported on the ground and support the whole frame, and the frame is simple in structure and has good rigidity in the unfolded state.
When the frame needs to be folded, referring to fig. 2, the locking mechanism of the frame is unlocked, the push handle rod 9 is turned forwards to gradually fold the push handle rod to the front side of the push rod 2, the rear part of the seat rod 6 is driven to move upwards to enable the seat rod 6 and the swing rod 5 to rotate relatively, the front connecting rod 7 and the rear connecting rod 8 are driven to rotate respectively to enable the front wheel bracket 1 and the rear lower bracket 3 to gradually fold the push rod 2, the push handle rod 9 and the rear upper bracket 3 to turn backwards together to gradually fold the push handle rod to the rear side of the rear lower bracket 3, and the frame is folded, as shown in fig. 3.
In this embodiment, an unlocking strap (not shown) for unlocking the locking mechanism of the frame is provided at the rear portion of the seat post 6, so that when the frame is folded, the operator only needs to turn over the push handle rod 9 forward relative to the push rod 2 and then lift the unlocking strap, so that the rear portion of the seat post 6 and the front portion of the rear connecting rod 8 move upward together to rotate the rods on the frame relatively, thereby folding the frame.
In this embodiment, the front wheel assembly 20 includes two front wheels respectively disposed at the left and right sides of the bottom of the front wheel bracket 1, and the rear wheel assembly 30 includes two rear wheels respectively disposed at the left and right sides of the bottom of the rear lower bracket 3, as shown in fig. 3, when the frame is folded, the front wheel bracket 1 and the rear lower bracket 3 are drawn together along the front-rear direction, and the rear wheels at both sides are drawn together between the two front wheels along the left-right direction, so that the structure of the folded frame is further compact, and the volume is smaller.
In summary, the stroller of the present invention has a small number of rods, a compact structure and good rigidity when the frame is unfolded, and is convenient to fold, and the rear wheel support can be folded up and down to shorten the length when the frame is folded, so that the overall size of the folded frame is greatly reduced, and the rods on the folded frame can be tightly folded together to present a very compact structure.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to 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 within 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 under the frame, be used for with the locking mechanical system of frame locking under the expansion state, its characterized in that, the frame includes:
the lower part of the front wheel bracket is provided with the front wheel assembly;
the lower part of the push rod is in pivot connection with the upper part of the front wheel bracket;
the rear wheel bracket comprises a rear lower bracket of which the lower part is provided with the rear wheel assembly and a rear upper bracket of which the lower part is pivoted with the upper part of the rear lower bracket, and the upper part of the rear upper bracket is pivoted with the upper part of the push rod;
the swing rod extends obliquely in the front-back direction, the front part of the swing rod is pivoted with the lower part of the push rod or the upper part of the front wheel bracket, and the rear part of the swing rod is pivoted with the lower part of the rear lower bracket;
the seat frame comprises a seat rod, a front connecting rod and a rear connecting rod, wherein the seat rod extends in the front-back direction and is pivoted with the swing rod, the front connecting rod is pivoted on the front wheel bracket, the rear connecting rod is pivoted with the front part of the seat rod, the front connecting rod is pivoted with the rear part of the seat rod, and the rear connecting rod is pivoted on the rear lower bracket;
when the frame is folded, the seat post and the swing rod are turned relatively to drive the front wheel bracket and the rear lower bracket to be gradually folded along the front-rear direction, and the push rod and the rear upper bracket are turned backwards and gradually folded to the rear side of the rear lower bracket.
2. The stroller of claim 1, wherein: the frame further comprises a push handle rod connected with the push rod, and when the frame is folded, the push handle rod is folded relative to the push rod and is turned backwards together with the push rod and the rear upper support to be folded to the rear side of the rear lower support.
3. The stroller of claim 2, wherein: the lower part of the push handle rod is pivoted with the upper part of the push rod, and when the frame is folded, the push handle rod turns forwards to be folded to the front side of the push rod and then turns backwards together with the push rod and the rear upper support.
4. The stroller of claim 2, wherein: when the frame is in the unfolding state, the push handle rod and the push rod extend along the same length direction.
5. The stroller of claim 1, wherein: when the frame is in the unfolding state, the push rod and the front wheel bracket extend along the same length direction, and the rear upper bracket and the rear lower bracket extend along the same length direction.
6. The stroller of claim 1, wherein: the lower part of the push rod, the upper part of the front wheel bracket and the front part of the swing rod are rotationally connected around the same rotating axis.
7. The stroller of claim 1, wherein: the swing rod is connected with the seat rod through a first shaft in a pivoted mode, the front portion of the seat rod is connected with the rear portion of the front connecting rod through a second shaft in a pivoted mode, the rear portion of the seat rod is connected with the front portion of the rear connecting rod through a third shaft in a pivoted mode, and the first shaft is located between the second shaft and the third shaft in the front-back direction.
8. The stroller of claim 7, wherein: the front part of the front connecting rod is connected to the front wheel bracket through a fourth shaft pivot, and the front wheel bracket is connected to the push rod through the pivot and positioned above the fourth shaft.
9. The stroller of claim 7, wherein: the rear part of the rear connecting rod is connected to the rear lower support through a fifth shaft pivot, and the position where the upper part of the rear lower support is connected with the lower part of the rear upper support through the pivot is located above the fifth shaft.
10. The stroller of claim 1, wherein: the front wheel assembly is provided with two front wheels which are respectively arranged on the left side and the right side of the bottom of the front wheel support, the rear wheel assembly is provided with two rear wheels which are respectively arranged on the left side and the right side of the bottom of the rear lower support, when the frame is folded, the front wheel assembly and the rear wheel assembly are close to each other, and the rear wheels on the two sides are folded to the positions between the front wheels on the two sides in the left-right direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611232572.8A CN106828580B (en) | 2016-12-28 | 2016-12-28 | Children's barrow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611232572.8A CN106828580B (en) | 2016-12-28 | 2016-12-28 | Children's barrow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106828580A CN106828580A (en) | 2017-06-13 |
| CN106828580B true CN106828580B (en) | 2022-11-25 |
Family
ID=59113043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611232572.8A Active CN106828580B (en) | 2016-12-28 | 2016-12-28 | Children's barrow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106828580B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107878544B (en) * | 2017-12-18 | 2024-01-05 | 昆山威凯儿童用品有限公司 | Folding baby stroller |
| CN108236550A (en) * | 2018-01-18 | 2018-07-03 | 周兴强 | Wheelchair |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW465508U (en) * | 2000-10-09 | 2001-11-21 | Kuen-Tsan Lin | Framework improvement of stroller with shelter |
| CN1211239C (en) * | 2001-07-23 | 2005-07-20 | 好孩子儿童用品有限公司 | Pram |
| CN102343927A (en) * | 2010-08-02 | 2012-02-08 | 明门香港股份有限公司 | Foldable baby carriage frame |
| GB2512175B (en) * | 2011-11-17 | 2015-01-07 | Wonderland Nursery Goods | Collapsible infant carrier apparatus and its operating method |
| CN203511740U (en) * | 2013-09-02 | 2014-04-02 | 广东乐美达集团有限公司 | Reversing foldable stroller |
| CN104843045B (en) * | 2015-04-28 | 2017-11-07 | 好孩子儿童用品有限公司 | A kind of children trolley |
| CN205554268U (en) * | 2016-04-07 | 2016-09-07 | 好孩子儿童用品有限公司 | Child stroller |
| CN206465987U (en) * | 2016-12-28 | 2017-09-05 | 好孩子儿童用品有限公司 | Children trolley |
-
2016
- 2016-12-28 CN CN201611232572.8A patent/CN106828580B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106828580A (en) | 2017-06-13 |
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