CN106515834A - Baby carriage - Google Patents
Baby carriage Download PDFInfo
- Publication number
- CN106515834A CN106515834A CN201611233314.1A CN201611233314A CN106515834A CN 106515834 A CN106515834 A CN 106515834A CN 201611233314 A CN201611233314 A CN 201611233314A CN 106515834 A CN106515834 A CN 106515834A
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- Prior art keywords
- fore
- stock
- cross bar
- poppet
- children trolley
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- 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.)
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- 239000004744 fabric Substances 0.000 claims description 6
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- 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)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention discloses a baby carriage comprising a carriage frame with an unfolding state and a folding state, a front wheel assembly and a rear wheel assembly mounted at the bottom of the carriage frame, wherein the carriage frame comprises front brackets, rear brackets of which the upper parts are rotatably connected to the front brackets, sliding parts, which can slide in an extension direction of the length of the front brackets, arranged on the front brackets, connecting rods of which ends in one side are rotatably connected with the sliding parts and ends in the other side are rotatably connected with the rear brackets. When the baby carriage is folded, the sliding parts slide upwards in the extension direction of the length of the front brackets and the lower parts of the rear brackets are driven by the connecting rods to overturn backward to close to the front brackets, so that the front wheel assembly and the rear wheel assembly gradually move away from each other until the front brackets, the rear brackets and the connecting rods close up together. The baby carriage has the advantages of being simple in structure, easy for folding operation, compact in structure after being folded, small in size and easy to carry and store.
Description
Technical field
The present invention relates to articles for children technical field, and in particular to a kind of children trolley.
Background technology
Children trolley of the prior art, including the stroller frame with expanded position and folding position, is arranged at go-cart
The front component and wheel assembly of the bottom of vehicle frame, the locking mechanism for being locked in stroller frame under deployed condition.It is existing
Children trolley species it is various, the number of stroller frame rod member is different, and the link position between each rod member is different, so as to fold original
Reason is different with folding mode, and the effect after folding is also different.
The content of the invention
The purpose of the present invention is for the deficiencies in the prior art, there is provided a kind of folding convenient and the less youngster of volume after folding
Virgin go-cart.
For reaching above-mentioned purpose, the technical solution used in the present invention is：
A kind of children trolley, including the stroller frame with deployed condition and folded state, before the bottom of the stroller frame
The front component in portion, the wheel assembly located at the bottom rear portion of the stroller frame, for the stroller frame is locked in expansion
Locking mechanism under state, the stroller frame include：
Fore-stock, for installing the front component, the fore-stock is inclined upwardly setting from front to back；
After-poppet, for installing the wheel assembly, the after-poppet downward-sloping setting from front to back, the after-poppet it is upper
Portion is rotated with the fore-stock and is connected；
Sliding part, the sliding part can be slidably arranged on the fore-stock along the length bearing of trend of the fore-stock；
Connecting rod, the one end of the connecting rod are rotated with the sliding part and are connected, and the other end of the connecting rod is propped up afterwards with described
Frame rotates connection；
When the children trolley is folded, make the sliding part on the fore-stock along the fore-stock length bearing of trend to
Upper slip, the bottom for ordering about the after-poppet by the connecting rod are turned over and are drawn close with the fore-stock, make the front wheels
Part and the wheel assembly are gradually distance from, until the fore-stock, the after-poppet and the connecting rod are close together.
Preferably, when the children trolley is in deployed condition, on the fore-stock, the sliding part is located at described
The top of the rotation junction point of fore-stock and the after-poppet.
Preferably, when the children trolley is folded, the sliding part along the fore-stock length bearing of trend upwards
Slide.
Preferably, when the children trolley be in deployed condition when, the fore-stock, the after-poppet, the connecting rod and
Triangular structure is formed between the sliding part.
Preferably, the fore-stock include along same length direction extend front support rod and push rod, the front support rod it is upper
Portion is fixedly connected or is wholely set with the bottom of the push rod, and the front component is arranged on the bottom of the front support rod, described
Sliding part can be slidably arranged on the push rod along the length bearing of trend of the push rod.
Preferably, the stroller frame includes being located at the side stand of the left and right sides of the stroller frame respectively and is connected to
Stull component between the side stand of the left and right sides, per side the side stand include the fore-stock, it is described after
Frame, the sliding part and the connecting rod, the stull component can be drawn in and be launched along the left and right directions of the children trolley.
Further, the stull component includes bottom cross support component, the bottom cross support component include intersecting and
Rotate two foundation struts of connection in infall, the one end per bottom supporting rod described in root be rotationally connected to side it is described before
On support, the other end is rotationally connected on the after-poppet of opposite side.
Further, the stull component also include rear attached support component, it is described after attached support component located at both sides it is described after
Between support, the rear attached support component includes：
Montant；
First cross bar, the one end of first cross bar are rotated with the upper end of the montant and are connected, first cross bar
The other end is rotationally connected on the after-poppet of side；
Second cross bar, the one end of second cross bar are rotated with the upper end of the montant and are connected, second cross bar
The other end is rotationally connected on the after-poppet of opposite side；
3rd cross bar, the one end of the 3rd cross bar are rotated with the bottom of the montant and are connected, the 3rd cross bar
The other end is rotationally connected on the after-poppet of side；
4th cross bar, one end of the 4th cross bar are rotated with the bottom of the montant and are connected, the 4th cross bar it is another
One end is rotationally connected on the after-poppet of opposite side；
Slide block, the slide block can be slidably arranged on the montant along the length bearing of trend of the montant；
First brace, the one end of first brace are rotationally connected on the slide block, the other end of first brace
Portion is rotationally connected on the 3rd cross bar；
Second brace, the one end of second brace are rotationally connected on the slide block, the other end of second brace
Portion is rotationally connected on the 4th cross bar.
Preferably, the children trolley also includes the unblock drawstring for ordering about the locking mechanism unblock, the unblock
Drawstring extends in left-right direction, and the left and right both ends of the unblock drawstring are separately positioned on the sliding part of the left and right sides.
Preferably, the children trolley also includes the seat pocket being arranged in the stroller frame, and the seat pocket covers shape by cloth
Into the both ends of the cloth set are separately fixed at the top of the anterior and described fore-stock of the after-poppet.
Due to the utilization of above-mentioned technical proposal, the present invention has following advantages compared with prior art：The child of the present invention
Cart structure is simple, and folding operation is convenient, during folding, only need to make sliding part upward sliding, you can make after-poppet rotate counterclockwise
Draw close with fore-stock, and the children trolley compact conformation after folding, small volume is easy to carry and deposits.
Description of the drawings
Axonometric chart of the accompanying drawing 1 for children trolley of the invention in the deployed state；
Side view of the accompanying drawing 2 for children trolley of the invention in the deployed state；
Side view of the accompanying drawing 3 for children trolley of the invention under semi-collapsed condition；
Side view of the accompanying drawing 4 for children trolley of the invention in a folded configuration；
Fig. 5 is rear attached support component of the invention axonometric chart in the deployed state.
Wherein：1st, side stand；11st, fore-stock；111st, front support rod；112nd, push rod；12nd, after-poppet；13rd, sliding part；14th, even
Bar；15th, handle；21st, bottom cross support component；211st, bottom supporting rod；22nd, rear attached support component；221st, montant；222nd, the first cross bar；
223rd, the second cross bar；224th, the 3rd cross bar；225th, the 4th cross bar；226th, slide block；227th, the first brace；228th, the second brace；A、
First axle；B, the second axle；3rd, unlock drawstring；4th, front component；5th, wheel assembly；6th, seat pocket.
Specific embodiment
Below in conjunction with the accompanying drawings with specific embodiment being further elaborated to technical scheme.
As shown in Fig. 1 ~ Fig. 4, the children trolley of the present invention includes the stroller frame with expansion and folded state, is arranged on
The anterior front component 4 in the bottom of stroller frame, be arranged on stroller frame bottom rear portion wheel assembly 5, for by stroller frame
Locking locking mechanism in the deployed state.
Stroller frame includes being located at the side stand 1 of the left and right sides of stroller frame respectively, is connected to the collateral of the left and right sides
Stull component between frame 1.
Side stand 1 per side includes fore-stock 11, after-poppet 12, sliding part 13 and connecting rod 14.Fore-stock 11 is used for pacifying
Dress front component 4, after-poppet 12 are used for installing wheel assembly 5, and fore-stock 11 is inclined upwardly setting from front to back, after-poppet 12 from
It is obliquely installed under forward-backward algorithm, the top of after-poppet 12 is rotated with fore-stock 11 and is connected, sliding part 13 can be along fore-stock 11
Length bearing of trend slidably arrange on fore-stock 11, on fore-stock 11, fore-stock 11 is connected with the rotation of after-poppet 12
Contact is located at the lower section of sliding part 14, and the one end of connecting rod 14 rotates with sliding part 13 and be connected, the other end and after-poppet 12
Rotate connection, so, just forms a slider-crank mechanism between fore-stock 11, after-poppet 12, sliding part 13 and connecting rod 14.
A kind of specific embodiment, fore-stock 11 include front support rod 111 and push rod 112,112 edge of front support rod 111 and push rod
Same length direction extends, and the top of front support rod 111 is mutually fixedly connected or is wholely set, front support rod with the bottom of push rod 112
111 top is rotated with the top of after-poppet 12 and is connected, and front component 4 is arranged on the bottom of front support rod 111,13 energy of sliding part
Enough length bearing of trends along push rod 112 are slidably arranged on push rod 112.
Side stand 1 per side also includes handle 15, and the one end of handle 15 is fixedly connected on the upper end of push rod 112, holds
Intersect with push rod 112 15 and be of an L-shaped structure.
Stull component can be drawn in and be launched along the left and right directions of children trolley, so that the children trolley can be horizontal
Fold.Stull component includes bottom cross support component 21 and rear attached support component 22.
Bottom cross support component 21 includes intersecting and rotate in infall two foundation struts 211 of connection, per foundation
The one end of strut 211 is rotationally connected on the fore-stock 11 of side, and the other end is rotationally connected to rear of opposite side
On frame 12.
Attached support component 22 is arranged between the after-poppet 12 of the left and right sides, specifically afterwards, as shown in figure 5, rear attached support component
22 include that montant 221, the first cross bar 222, the second cross bar 223, the 3rd cross bar 224, the 4th cross bar 225, slide block 226, first are oblique
Bar 227 and the second brace 228.When children trolley is in deployed condition, montant 221 is located at the middle part of the after-poppet 12 of both sides,
And it is parallel with the after-poppet 12 of both sides respectively, the first cross bar 222, the 3rd cross bar 224 and the first brace 227 are located at montant 221
Side, the second cross bar 223, the 4th cross bar 225 and the second brace 228 be located at the opposite side of montant 221, the first cross bar 222, the
Two cross bars 223, the 3rd cross bar 224 and the 4th cross bar 225 are in horizontality.The one end of the first cross bar 222 and montant 221
Upper end rotate connection, the other end is rotatably connected on the after-poppet 12 of side；The one end of the second cross bar 223 with it is perpendicular
The upper end of bar 221 rotates connection, and the other end is rotatably connected on the after-poppet 12 of opposite side；In the present embodiment, first
The one end of cross bar 222, the one end of the second cross bar 223, the part of upper end three of montant 221 pass through first axle A same axis
Rotate connection；The one end of the 3rd cross bar 224 is rotated with the bottom of montant 221 and is connected, and the other end is rotatably connected on one
On the after-poppet 12 of side；The one end of the 4th cross bar 225 is rotated with the bottom of montant 221 and is connected, and the other end rotates and connects
It is connected on the after-poppet 12 of opposite side；It is in the present embodiment, the one end of the 3rd cross bar 224, the one end of the 4th cross bar 225, perpendicular
The part of bottom three of bar 221 rotates connection by the second axle B same axis；Slide block 226 can extend along the length of montant 221
Direction is slidably arranged on montant 221；The one end of the first brace 227 is rotated with slide block 226 and is connected, and the other end rotates
It is connected on the 3rd cross bar 224；The one end of the second brace 228 is rotated with slide block 226 and is connected, and the other end is rotatably connected on
On 4th cross bar 224.On montant 221, slide block 226 is located between first axle A and the second axle B.
When upper end of the slide block 226 along the length bearing of trend upward sliding to montant 221 of montant 221, the first cross bar
222 and second cross bar 223 launch in the horizontal direction, and the first cross bar 222 and the second cross bar 223 extend along same rectilinear direction,
3rd cross bar 224 and the 4th cross bar 225 also launch in the horizontal direction, and the 3rd cross bar 224 and the 4th cross bar 225 are also along with always
Line direction extends, and now, the first cross bar 222 and the second cross bar 223 form the stop to slide block 226, makes the slide block 226 can not be after
Continuous upward sliding, forms a triangle between the 3rd cross bar 224, montant 221 and the first brace 227, the 4th cross bar 225, perpendicular
Another triangle is formed between bar 221 and the second brace 228, the rear attached support component 22 is just in open mode；When first horizontal
Bar 222 and the second cross bar 223 rotating around first axle A rotate in opposite directions with montant 221 draw close, the 3rd cross bar 224 and the 4th cross bar 225
When rotating around the second axle B, rotation is drawn close with montant 221 in opposite directions, length bearing of trend slide downward of the slide block 226 along montant 221,
First brace 227, the 228 corresponding rotation of the second brace, are gradually leaned on the 3rd cross bar 224, the 4th cross bar 225 and montant 221 then
When holding together, the rear attached support component 22 gradually draws folding in, and now, the 3rd cross bar 224 and the 4th cross bar 225 are formed to slide block 226
Stop, make slide block 226 continue slide downward.
Locking mechanism is included for the side stand 1 of every side being locked first locking mechanism in the deployed state and being used for inciting somebody to action
Attached support component 22 locks second locking mechanism in the deployed state afterwards, and first locking mechanism may be provided at fore-stock 11, prop up afterwards
In the slider-crank mechanism formed by frame 12, sliding part 13 and connecting rod 14 arbitrarily between two parts of connection, in the present embodiment,
First locking mechanism is arranged between sliding part 13 and fore-stock 11.Second locking mechanism be arranged on slide block 226 and montant 221 it
Between.The concrete structure of first locking mechanism and second locking mechanism is not the claimed technical essential of this patent, can be adopted
Use structure of the prior art.
The children trolley also includes unblock drawstring 3, and unblock drawstring 3 extends in left-right direction, and its both ends is separately positioned on
On the sliding part 13 of the left and right sides, by lifting unblock drawstring 3 upwards, unlock can first locking mechanism, while making sliding part
13 along fore-stock 11 length bearing of trend upward sliding, and then fold stroller frame.
The children trolley also includes the seat pocket 6 being arranged in stroller frame, and seat pocket 6 is covered by cloth and formed, the both ends of cloth set
It is separately fixed at the front portion of after-poppet 12 and the top of fore-stock 11.
When the children trolley is in deployed condition, as depicted in figs. 1 and 2, first locking mechanism and second locking mechanism
Be in lock-out state, bottom cross support component 21, rear attached support component 22 is in deployed condition so that the side stand 1 of both sides it
Between transversely mutually launch, and the side stand 1 per side is also at deployed condition, on the side stand 1 of every side, fore-stock 11, after
A stable triangular structure is constituted between support 12, connecting rod 14, so that the children trolley has preferably rigidity, Neng Gouwen
Surely it is in deployed condition.
When the children trolley needs to fold, first locking mechanism and second locking mechanism is first unlocked, unblock first is locked
During mechanism, lifting upwards unlocks drawstring 3, and first locking mechanism is just unlocked, while unlocking drawstring 3 pulls sliding part 13 along fore-stock
11 length bearing of trend upward sliding, pulls after-poppet 12 counterclockwise around the rotation junction point with fore-stock 11 by connecting rod 14
Upset is drawn close with fore-stock 11, front component 4 is gradually distance from wheel assembly 5, as shown in figure 3, until fore-stock 11, propping up afterwards
Frame 12 is together with 14 close proximity of connecting rod；After second locking mechanism unblock, attached support component 22 is gradually drawn in left-right direction afterwards,
Drive bottom cross support component 21 to draw in left-right direction, the side stand 1 of both sides is gradually close together in left-right direction, finally
Folding forms state as shown in Figure 4.Children trolley compact conformation after folding, small volume are easy to carry and deposit.
When the children trolley is launched under folded state, handle 15 is pinned, kicking wheel assembly 5 makes 12 phase of after-poppet
Fore-stock 11 is rotated clockwise, sliding part 13 is driven along the length bearing of trend slide downward of fore-stock 11 by connecting rod 14,
Until sliding part 13 is locked on fore-stock 11 again by first locking mechanism, side stand 1 just launches, and launches in side stand 1
While, bottom cross support component 21, rear attached support component 22 also gradually launches in left-right direction, until rear attached support component 22 is complete
Launch, second locking mechanism locking, the side stand 1 of both sides are just relatively fixed, stroller frame is in stable deployed condition again.
Above-described embodiment technology design only to illustrate the invention and feature, its object is to allow person skilled in the art's energy
Solution present disclosure much of that is simultaneously implemented according to this, can not be limited the scope of the invention with this.It is all spiritual according to the present invention
Equivalence changes or modification that essence is made, should all be included within the scope of the present invention.
Claims (10)
1. a kind of children trolley, including the stroller frame with deployed condition and folded state, located at the bottom of the stroller frame
Anterior front component, the wheel assembly located at the bottom rear portion of the stroller frame, for the stroller frame is locked in exhibition
Locking mechanism under open state, it is characterised in that：The stroller frame includes：
Fore-stock, for installing the front component, the fore-stock is inclined upwardly setting from front to back；
After-poppet, for installing the wheel assembly, the after-poppet downward-sloping setting from front to back, the after-poppet it is upper
Portion is rotated with the fore-stock and is connected；
Sliding part, the sliding part can be slidably arranged on the fore-stock along the length bearing of trend of the fore-stock；
Connecting rod, the one end of the connecting rod are rotated with the sliding part and are connected, and the other end of the connecting rod is propped up afterwards with described
Frame rotates connection；
When the children trolley is folded, make the sliding part on the fore-stock along the fore-stock length bearing of trend to
Upper slip, the bottom for ordering about the after-poppet by the connecting rod are turned over and are drawn close with the fore-stock, make the front wheels
Part and the wheel assembly are gradually distance from, until the fore-stock, the after-poppet and the connecting rod are close together.
2. children trolley according to claim 1, it is characterised in that：When the children trolley is in deployed condition,
On the fore-stock, the sliding part is located at the top of the fore-stock and the rotation junction point of the after-poppet.
3. children trolley according to claim 1, it is characterised in that：When the children trolley is folded, the sliding part
Along the length bearing of trend upward sliding of the fore-stock.
4. children trolley according to claim 1, it is characterised in that：When the children trolley is in deployed condition, institute
State triangular structure is formed between fore-stock, the after-poppet, the connecting rod and the sliding part.
5. children trolley according to claim 1, it is characterised in that：The fore-stock includes extending along same length direction
Front support rod and push rod, the top of the front support rod is fixedly connected or is wholely set with the bottom of the push rod, the front wheels
Part is arranged on the bottom of the front support rod, and the sliding part can be slidably arranged in institute along the length bearing of trend of the push rod
State on push rod.
6. the children trolley according to any one of claim 1 ~ 5, it is characterised in that：The stroller frame includes position respectively
In the left and right sides of the stroller frame side stand and be connected to the left and right sides the side stand between stull component, often
The side stand of side includes the fore-stock, the after-poppet, the sliding part and the connecting rod, the stull component energy
Enough left and right directions along the children trolley draw in and launch.
7. children trolley according to claim 6, it is characterised in that：The stull component includes bottom cross support component, institute
Stating bottom cross support component includes intersecting and rotate in infall two foundation struts of connection, per one of bottom supporting rod described in root
End is rotationally connected on the fore-stock of side, and the other end is rotationally connected on the after-poppet of opposite side.
8. children trolley according to claim 6, it is characterised in that：The stull component also includes rear attached support component, institute
After stating, between the after-poppet of both sides, the rear attached support component includes attached support component：
Montant；
First cross bar, the one end of first cross bar are rotated with the upper end of the montant and are connected, first cross bar
The other end is rotationally connected on the after-poppet of side；
Second cross bar, the one end of second cross bar are rotated with the upper end of the montant and are connected, second cross bar
The other end is rotationally connected on the after-poppet of opposite side；
3rd cross bar, the one end of the 3rd cross bar are rotated with the bottom of the montant and are connected, the 3rd cross bar
The other end is rotationally connected on the after-poppet of side；
4th cross bar, one end of the 4th cross bar are rotated with the bottom of the montant and are connected, the 4th cross bar it is another
One end is rotationally connected on the after-poppet of opposite side；
Slide block, the slide block can be slidably arranged on the montant along the length bearing of trend of the montant；
First brace, the one end of first brace are rotationally connected on the slide block, the other end of first brace
Portion is rotationally connected on the 3rd cross bar；
Second brace, the one end of second brace are rotationally connected on the slide block, the other end of second brace
Portion is rotationally connected on the 4th cross bar.
9. children trolley according to claim 1, it is characterised in that：The children trolley is also included for ordering about the lock
Determine the unblock drawstring of mechanism's unblock, the unblock drawstring extends in left-right direction, the left and right both ends difference of the unblock drawstring
It is arranged on the sliding part of the left and right sides.
10. children trolley according to claim 1, it is characterised in that：The children trolley also includes being arranged on described pushing away
Seat pocket on vehicle carriage, the seat pocket are covered by cloth and are formed, and the both ends of the cloth set are separately fixed at the front portion of the after-poppet
With the top of the fore-stock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611233314.1A CN106515834A (en) | 2016-12-28 | 2016-12-28 | Baby carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611233314.1A CN106515834A (en) | 2016-12-28 | 2016-12-28 | Baby carriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106515834A true CN106515834A (en) | 2017-03-22 |
Family
ID=58337868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611233314.1A Pending CN106515834A (en) | 2016-12-28 | 2016-12-28 | Baby carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106515834A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107757691A (en) * | 2017-10-19 | 2018-03-06 | 好孩子儿童用品有限公司 | A kind of folding children's barrow |
| CN107856728A (en) * | 2017-10-19 | 2018-03-30 | 好孩子儿童用品有限公司 | Children trolley |
| CN111376960A (en) * | 2020-03-05 | 2020-07-07 | 好孩子儿童用品有限公司 | Children's barrow |
| CN112092889A (en) * | 2020-09-15 | 2020-12-18 | 好孩子儿童用品有限公司 | Children's barrow |
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| GB2268126A (en) * | 1992-06-23 | 1994-01-05 | Huang Ming Tai | Foldable toy stroller structure. |
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| CN107757691A (en) * | 2017-10-19 | 2018-03-06 | 好孩子儿童用品有限公司 | A kind of folding children's barrow |
| CN107856728A (en) * | 2017-10-19 | 2018-03-30 | 好孩子儿童用品有限公司 | Children trolley |
| CN111376960A (en) * | 2020-03-05 | 2020-07-07 | 好孩子儿童用品有限公司 | Children's barrow |
| CN112092889A (en) * | 2020-09-15 | 2020-12-18 | 好孩子儿童用品有限公司 | Children's barrow |
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Application publication date: 20170322 |