CN115158436B - Child cart - Google Patents

Child cart Download PDF

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Publication number
CN115158436B
CN115158436B CN202210849393.8A CN202210849393A CN115158436B CN 115158436 B CN115158436 B CN 115158436B CN 202210849393 A CN202210849393 A CN 202210849393A CN 115158436 B CN115158436 B CN 115158436B
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CN
China
Prior art keywords
seat
stroller
pivotally connected
shaft
backrest
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210849393.8A
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Chinese (zh)
Other versions
CN115158436A (en
Inventor
王俊马
黄益明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goodbaby Child Products Co Ltd
Original Assignee
Goodbaby Child Products Co Ltd
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Application filed by Goodbaby Child Products Co Ltd filed Critical Goodbaby Child Products Co Ltd
Priority to CN202210849393.8A priority Critical patent/CN115158436B/en
Publication of CN115158436A publication Critical patent/CN115158436A/en
Application granted granted Critical
Publication of CN115158436B publication Critical patent/CN115158436B/en
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Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/06Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
    • B62B7/08Carriages 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/06Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
    • B62B7/064Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable the handle bar being parallel to the front leg

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)

Abstract

The invention discloses a child stroller, which comprises a stroller frame and a seat assembly arranged on the stroller frame, wherein the stroller frame comprises a rear support, the seat assembly comprises a seat and a backrest, the child stroller further comprises a sliding piece which is arranged on the seat in a sliding manner along the front-back direction, the upper part of the rear support is pivotally connected with the sliding piece, and the lower part of the backrest is pivotally connected with the sliding piece or the rear support. When the baby stroller is folded, the sliding piece can directly drive the backrest to slide relative to the seat when sliding relative to the seat, or the backrest can be driven to slide relative to the seat by the rear support, and the backrest can also rotate relative to the seat and be close to the seat, so that the folding of the seat assembly is realized, namely, the baby stroller can enable the seat assembly to be synchronously folded when the stroller frame is folded, and the seat assembly does not need to be independently folded, so that the folding operation of the baby stroller is very convenient, and the use of the baby stroller is convenient.

Description

Child cart
Technical Field
The invention relates to the technical field of children products, in particular to a child trolley.
Background
The children's shallow mainly supplies the adult to carry children and use outward. Child strollers generally include a stroller frame and a seat assembly disposed on the stroller frame, the seat assembly including a seat and a backrest. In order to facilitate carrying and storage of the child stroller, the child stroller can be folded generally.
In the prior art, when a part of the child stroller is folded, the seat assembly is detached from the stroller frame and then can be folded. When a part of the child pushchairs can be folded with the seat assembly, but when the child pushchairs are folded, the seat assembly is generally folded first, and the frame of the pushchair begins to be folded even after the backrest rotates relative to the seat and is close to the seat. That is, when such a child stroller is folded, the folding of the seat assembly is performed separately from the folding of the stroller frame. The folding operation of the two types of the child pushchairs is very inconvenient, and the child pushchairs are inconvenient to use.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a child trolley, when the trolley frame is folded, a backrest can synchronously slide relative to a seat, and the backrest can rotate relative to the seat and is close to the seat.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a children's shallow, includes the shallow frame and sets up the seat subassembly on the shallow frame, the shallow frame includes the back support, the seat subassembly includes seat and back, children's shallow still includes and can set up along fore-and-aft direction slidingly the slider on the seat, the upper portion of back support with slider pivotal connection, the lower part of back with slider or back support pivotal connection.
Preferably, the upper part of the rear bracket is pivotally connected with the sliding member through a first shaft, and the lower part of the backrest is pivotally connected with the sliding member through a second shaft, and the second shaft is located above the first shaft and behind the first shaft when the stroller is in the unfolded state.
Further, the front end portion of the slider is provided with a first connecting portion extending downward, the first connecting portion is pivotally connected with the upper portion of the rear bracket via the first shaft, the rear end portion of the slider is provided with a second connecting portion extending upward, and the second connecting portion is pivotally connected with the lower portion of the backrest via the second shaft.
Still further, the rear bracket with the slider sets up respectively in the left and right sides, the seat is the bedplate, the left and right sides of bedplate is provided with the spout that extends along fore-and-aft direction respectively, and the second connecting portion of slider of every side all can be followed correspond one side the length extension direction of spout sets up slidingly in the spout, when children's shallow is in the state of expanding, the second connecting portion is located the rear end portion of spout, when children's shallow is in the state of folding, the second connecting portion is located the front end portion of spout.
Preferably, the upper part of the rear bracket is pivotally connected with the sliding member through a first shaft, and the lower part of the backrest is pivotally connected with the rear bracket through a third shaft, and the third shaft is positioned below the first shaft and behind the first shaft when the stroller is in the unfolded state.
Preferably, the upper part of the rear bracket, the sliding member and the lower part of the backrest are pivotally connected coaxially.
Preferably, the slider is located at the rear of the seat when the stroller is in the unfolded state, and the slider slides forward relative to the seat when the stroller is folded from the unfolded state, causing the backrest to move forward relative to the seat.
Further, when the child stroller is in a folded state, the backrest rotates backwards under the action of self gravity to be close to the seat.
Preferably, the child stroller further comprises a front bracket, a side lever, a push rod assembly, a first link and a second link, wherein the upper part of the front bracket is pivotally connected with the lower part of the side lever, the upper part of the side lever is pivotally connected with the lower part of the push rod assembly, one end part of the first link is pivotally connected with the front bracket, the other end part of the first link is pivotally connected with the lower part of the push rod assembly, one end part of the second link is pivotally connected with the other end part of the first link or the lower part of the push rod assembly, the other end part of the second link is pivotally connected with the rear bracket, the front part of the seat is pivotally connected with the upper part of the front bracket or the lower part of the side lever, and the rear part of the seat is pivotally connected with the second link.
Further, the upper part of the front bracket, the lower part of the side rod and the front part of the seat are in coaxial pivot connection, and the other end part of the first connecting rod, the lower part of the push rod assembly and one end part of the second connecting rod are in coaxial pivot connection.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: when the child stroller is folded, the sliding piece can directly drive the backrest to slide relative to the seat when sliding relative to the seat, or can drive the backrest to slide relative to the seat through the rear support, and the backrest can also rotate relative to the seat and be close to the seat, so that the folding of the seat assembly is realized, namely, the child stroller can synchronously fold the seat assembly while the stroller frame is folded, and the seat assembly does not need to be folded independently, so that the folding operation of the child stroller is very convenient, and the child stroller is convenient to use.
Drawings
Fig. 1 is a perspective view of the stroller of embodiment 1 in an unfolded state;
FIG. 2 is a schematic side view of the stroller of example 1 in an unfolded state;
FIG. 3 is an enlarged schematic view of a portion of FIG. 2 at A;
FIG. 4 is a schematic side view of the stroller of example 1 during folding;
FIG. 5 is a schematic side view of the stroller of example 1 in a folded condition;
fig. 6 is a perspective view of the stroller of embodiment 2 in an unfolded state;
FIG. 7 is a schematic side view of the stroller of example 2 in an unfolded state;
FIG. 8 is an enlarged schematic view of a portion of FIG. 7 at A;
FIG. 9 is a schematic side view of the stroller of example 2 during folding;
fig. 10 is a schematic side view of the stroller of embodiment 2 in a folded state.
Wherein: 11. a front bracket; 12. a rear bracket; 13. a side bar; 14. a push rod assembly; 15. a first link; 16. a second link; 21. a seat; 211. a seating surface; 212. a chute; 22. a backrest; 30. a front wheel assembly; 40. a rear wheel assembly; 5. a slider; 51. a body 52, a first connection portion; 53. a second connecting portion; 61. a first shaft; 62. a second shaft; 63. and a third axis.
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings and specific embodiments.
Example 1
As shown in fig. 1 to 5, the child stroller of the present invention includes a stroller frame having an unfolded state and a folded state, a seat assembly provided on the stroller frame, a front wheel assembly 30 provided at a bottom front portion of the stroller frame, and a rear wheel assembly 40 provided at a bottom rear portion of the stroller frame.
A specific structure of the cart frame is given below, but the cart frame is not limited to the structure given in the present embodiment.
The trolley frame comprises side brackets positioned at the left side and the right side and a transverse connecting rod connected between the side brackets at the left side and the right side.
The side brackets on each side include a front bracket 11, a rear bracket 12, side bars 13, a push bar assembly 14, a first link 15, and a second link 16. When the stroller frame is in the unfolded state, the front bracket 11, the side bars 13 and the push rod assembly 14 all extend obliquely upward from front to rear, the rear bracket 12 extends obliquely downward from front to rear, the front wheel assembly 30 is disposed at the lower part of the front bracket 11, and the rear wheel assembly 40 is disposed below the rear bracket 12.
The upper portion of the front bracket 11 is pivotally connected to the lower portion of the side bar 13, and the upper portion of the side bar 13 is pivotally connected to the lower portion of the push bar assembly 14. One end of the first link 15 is pivotally connected to the front bracket 11, and the other end of the first link 15 is pivotally connected to the lower portion of the push rod assembly 14. One end of the second link 16 is pivotally connected to the other end of the first link 15 or the lower portion of the push rod assembly 14, preferably, the other end of the first link 15, the lower portion of the push rod assembly 14 and one end of the second link 16 are pivotally connected to each other coaxially, and the other end of the second link 16 is pivotally connected to the rear bracket 12.
The seat assembly includes a seat 21 and a backrest 22. The front part of the seat 21 is pivotally connected to the upper part of the front bracket 11 or the lower part of the side bar 13, preferably the upper part of the front bracket 11, the lower part of the side bar 13 and the front part of the seat 21 are pivotally connected to each other coaxially, and the rear part of the seat 21 is pivotally connected to the second link 16. The backrest 22 is rotatably and slidably provided on the seat 21.
Specifically, the stroller further includes a slider 5, and the slider 5 is slidably provided on the seat 21 in the front-rear direction. The upper part of the rear bracket 12 is pivotally connected to the slider 5 by a first shaft 61, and the lower part of the backrest 22 is pivotally connected to the slider 5 by a second shaft 62.
In this embodiment, the first shaft 61 and the second shaft 62 extend in the left-right direction, and are disposed in parallel, and when the stroller is in the unfolded state, the second shaft 62 is located above the first shaft 61 and behind the first shaft 61, as shown in fig. 1 to 3.
Of course, the axes of the first shaft 61 and the second shaft 62 may extend in the same straight line direction, that is, the three components of the slider 5, the rear bracket 12, and the backrest 22 are pivotally connected coaxially.
In this embodiment, the seat 21 takes the form of a seat plate, and the left and right sides of the front portion of the seat plate 21 are pivotally connected coaxially with the upper portion of the front bracket 11 and the lower portion of the side bar 13, respectively, on the corresponding side, and the left and right sides of the rear portion of the seat plate 21 are pivotally connected with the second link 16, respectively, on the corresponding side.
The seat plate has a seating surface 211 contacting buttocks of the child, and the sliders 5 are slidably provided at left and right sides of the seat plate, respectively. The slider 5 of each side includes a body 51, a first connection portion 52, and a second connection portion 53. The body 51 is slidably provided on the seat plate in the front-rear direction, and is located below the seating surface 211. The first connecting portion 52 is located at the front end portion of the body 51 and extends downward of the body 51, and the upper portion of the rear bracket 12 is pivotally connected to the first connecting portion 52 by a first shaft 61. The second connecting portion 53 is located at the rear end portion of the body 51 and extends upward of the body 51, and the lower portion of the backrest 22 is pivotally connected to the second connecting portion 53 by a second shaft 62.
The seat plate 21 has slide grooves 212 extending in the front-rear direction on the left and right sides, the slide grooves 212 on the left and right sides are parallel to each other, and the second connecting portion 53 is provided so as to pass through the slide grooves 212 and slidably extend in the longitudinal direction of the slide grooves 212.
When the stroller is in the unfolded state, as shown in fig. 1 and 2, the left and right sliders 5 are both positioned at the rear end of the seat 21, and the second connecting portion 53 is positioned at the rear end of the chute 212 in the chute 212 so that the backrest 22 is far from the seat 21, which is supported at the rear of the seat 21, and the rear bracket 12 is far from the front bracket 11. On the front frame 11, the pivotal connection of the front frame 11, the side bars 13 and the seat 21 is located above the pivotal connection of the first link 15 with the front frame 11. On the rear bracket 12, the pivotal connection of the rear bracket 12 to the slider 5 is located above the pivotal connection of the second link 16 to the rear bracket 12. On the push rod assembly 14, the pivotal connection of the first link 15, the push rod assembly 14 and the second link 16 is located below the pivotal connection of the side bar 13 and the push rod assembly 14. On the second link 16, the pivotal connection of the first link 15, the push rod assembly 14 and the second link 16, the pivotal connection of the seat 21 and the second link 16, and the pivotal connection of the second link 16 and the rear bracket 12 are disposed in this order from the top down.
When the stroller is folded from the unfolded state, the sliding part 5 is lifted to slide forwards relative to the seat 21, the upper end part of the rear bracket 12 is driven to slide forwards and close to the front bracket 11, the backrest 22 moves forwards synchronously with the sliding part 5, in the process, the front bracket 11 and the side rods 13 rotate relative to the seat 21 around the pivot joint with the seat 21 and close to the seat 21, the push rod assembly 14 rotates forwards and downwards, the folding process is shown in fig. 4, and after the sliding part 5 slides forwards, the backrest 22 can rotate downwards under the action of self gravity and close to the seat 21, and finally the stroller is folded as shown in fig. 5.
The child stroller can be synchronously folded by linking the seat assembly when the stroller frame is folded, and the folding seat assembly does not need to be independently operated, so that the folding operation of the child stroller is convenient. Moreover, when the stroller is in the folded state, the backrest 22 is close to the seat 21 and is close to the stroller frame, so that the folded stroller is compact in structure, small in size and convenient to carry and store.
Example 2
As shown in fig. 6 to 10, in this embodiment, the backrest 22 is not pivotally connected to the slider 5, i.e., the slider 5 does not need to be provided with the second connecting portion 53. The backrest 22 is pivotally connected to the rear bracket 12 by a third shaft 63, the third shaft 63 being arranged parallel to the first shaft 61. The remainder was the same as in example 1.
When the stroller is in the unfolded state, on the rear bracket 12, the third shaft 63 is located below the first shaft 61 and behind the first shaft 61, and the third shaft 63 is located above the pivotal connection of the second link 16 and the rear bracket 12, as shown in fig. 6 to 8.
In this embodiment, when the stroller is folded from the unfolded state, as in embodiment 1, the sliding member 5 is slid forward relative to the seat 21, so that the upper end portion of the rear bracket 12 is slid forward to be close to the front bracket 11, and when the upper end portion of the rear bracket 12 is moved forward, the backrest 22 is driven to move forward synchronously, in the process, the front bracket 11 and the side bar 13 are both rotated relative to the seat 21 around the pivot connection with the seat 21 to be close to the seat 21, so that the push rod assembly 14 is rotated forward and downward, the folding process is as shown in fig. 9, and when the sliding member 5 is slid forward to be in place, the backrest 22 can be rotated downward to be close to the seat 21 under the action of self gravity, and finally the stroller is folded as shown in fig. 10.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.

Claims (9)

1. The utility model provides a children's shallow, includes the shallow frame and sets up the seat subassembly on the shallow frame, the shallow frame includes the rear bracket, the seat subassembly includes seat and back, its characterized in that: the stroller further comprises a sliding member slidably arranged on the seat in the front-rear direction, wherein the upper part of the rear bracket is pivotally connected with the sliding member, the lower part of the backrest is pivotally connected with the sliding member or the lower part of the rear bracket, the stroller frame further comprises a front bracket, a side rod, a push rod assembly, a first connecting rod and a second connecting rod, the upper part of the front bracket is pivotally connected with the lower part of the side rod, the upper part of the side rod is pivotally connected with the lower part of the push rod assembly, one end part of the first connecting rod is pivotally connected with the front bracket, the other end part of the first connecting rod is pivotally connected with the lower part of the push rod assembly, one end part of the second connecting rod is pivotally connected with the other end part of the first connecting rod or the lower part of the push rod assembly, the front part of the seat is pivotally connected with the upper part of the front bracket or the lower part of the side rod, and the rear part of the seat is pivotally connected with the second connecting rod.
2. The stroller of claim 1, wherein: the upper portion of the rear support is pivotally connected with the sliding piece through a first shaft, the lower portion of the backrest is pivotally connected with the sliding piece through a second shaft, and when the child stroller is in a unfolded state, the second shaft is located above the first shaft and located behind the first shaft.
3. The stroller of claim 2, wherein: the front end of the sliding piece is provided with a first connecting part extending downwards, the first connecting part is pivotally connected with the upper part of the rear bracket through the first shaft, the rear end of the sliding piece is provided with a second connecting part extending upwards, and the second connecting part is pivotally connected with the lower part of the backrest through the second shaft.
4. A stroller according to claim 3, wherein: the back support with the slider sets up respectively in the left and right sides, the seat is the bedplate, the left and right sides of bedplate is provided with the spout that extends along fore-and-aft direction respectively, and the second connecting portion of every side the slider all can be followed correspond one side the length extension direction of spout sets up slidingly in the spout, works as the child shallow is in the state of expanding, the second connecting portion is located the rear end portion of spout, works as the child shallow is in the state of folding, the second connecting portion is located the front end portion of spout.
5. The stroller of claim 1, wherein: the upper portion of the rear support is pivotally connected with the sliding piece through a first shaft, the lower portion of the backrest is pivotally connected with the rear support through a third shaft, and when the child stroller is in a unfolded state, the third shaft is located below the first shaft and located behind the first shaft.
6. The stroller of claim 1, wherein: the upper part of the rear bracket, the sliding piece and the lower part of the backrest are coaxially and pivotally connected.
7. The stroller of claim 1, wherein: the slider is positioned at the rear of the seat when the stroller is in the unfolded state, and the slider slides forward relative to the seat when the stroller is folded from the unfolded state, causing the backrest to move forward relative to the seat.
8. The stroller of claim 7, wherein: when the child stroller is in a folded state, the backrest rotates backwards under the action of self gravity and is close to the seat.
9. The stroller of claim 1, wherein: the upper part of the front bracket, the lower part of the side rod and the front part of the seat are connected in a coaxial pivot way, and the other end part of the first connecting rod, the lower part of the push rod assembly and one end part of the second connecting rod are connected in a coaxial pivot way.
CN202210849393.8A 2022-07-19 2022-07-19 Child cart Active CN115158436B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210849393.8A CN115158436B (en) 2022-07-19 2022-07-19 Child cart

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Application Number Priority Date Filing Date Title
CN202210849393.8A CN115158436B (en) 2022-07-19 2022-07-19 Child cart

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CN115158436A CN115158436A (en) 2022-10-11
CN115158436B true CN115158436B (en) 2023-08-04

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0475136A1 (en) * 1990-09-11 1992-03-18 Gregor Horacek Folding pushchair
EP1459957A1 (en) * 2003-03-21 2004-09-22 HAUCK GmbH & Co. KG Perambulator
CN202098450U (en) * 2011-05-20 2012-01-04 好孩子儿童用品有限公司 Children carriage
CN202686430U (en) * 2012-06-27 2013-01-23 好孩子儿童用品有限公司 Baby trolley
GB2515557A (en) * 2013-06-28 2014-12-31 Pao-Hsien Cheng Folding structure of baby stroller and method for folding the baby stroller
CN204236532U (en) * 2014-11-24 2015-04-01 好孩子儿童用品有限公司 Children trolley
CN110667679A (en) * 2019-09-20 2020-01-10 东莞金旺儿童用品有限公司 Seat frame assembly, stroller and folding method thereof
CN112092890A (en) * 2020-09-23 2020-12-18 好孩子儿童用品有限公司 Children's barrow
CN113104091A (en) * 2020-01-10 2021-07-13 明门(中国)幼童用品有限公司 Frame folding mechanism, frame locking mechanism, backrest unlocking mechanism and baby carriage
CN215322805U (en) * 2021-04-01 2021-12-28 好孩子儿童用品有限公司 Folding cart
CN216424529U (en) * 2021-10-26 2022-05-03 好孩子儿童用品有限公司 Reversible stroller
CN216636593U (en) * 2021-05-08 2022-05-31 好孩子儿童用品有限公司 Children's barrow

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0475136A1 (en) * 1990-09-11 1992-03-18 Gregor Horacek Folding pushchair
EP1459957A1 (en) * 2003-03-21 2004-09-22 HAUCK GmbH & Co. KG Perambulator
CN202098450U (en) * 2011-05-20 2012-01-04 好孩子儿童用品有限公司 Children carriage
CN202686430U (en) * 2012-06-27 2013-01-23 好孩子儿童用品有限公司 Baby trolley
GB2515557A (en) * 2013-06-28 2014-12-31 Pao-Hsien Cheng Folding structure of baby stroller and method for folding the baby stroller
CN204236532U (en) * 2014-11-24 2015-04-01 好孩子儿童用品有限公司 Children trolley
CN110667679A (en) * 2019-09-20 2020-01-10 东莞金旺儿童用品有限公司 Seat frame assembly, stroller and folding method thereof
CN113104091A (en) * 2020-01-10 2021-07-13 明门(中国)幼童用品有限公司 Frame folding mechanism, frame locking mechanism, backrest unlocking mechanism and baby carriage
CN112092890A (en) * 2020-09-23 2020-12-18 好孩子儿童用品有限公司 Children's barrow
CN215322805U (en) * 2021-04-01 2021-12-28 好孩子儿童用品有限公司 Folding cart
CN216636593U (en) * 2021-05-08 2022-05-31 好孩子儿童用品有限公司 Children's barrow
CN216424529U (en) * 2021-10-26 2022-05-03 好孩子儿童用品有限公司 Reversible stroller

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