CN208682886U - A kind of children trolley - Google Patents
A kind of children trolley Download PDFInfo
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- CN208682886U CN208682886U CN201821036145.7U CN201821036145U CN208682886U CN 208682886 U CN208682886 U CN 208682886U CN 201821036145 U CN201821036145 U CN 201821036145U CN 208682886 U CN208682886 U CN 208682886U
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- connecting rod
- upper boom
- lower beam
- handle
- poppet
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Abstract
The utility model discloses a kind of children trolleys, and existing fore-stock is too long after solving the problems, such as children trolley folding, and fore-stock is scalable, so that folded children trolley small volume.A kind of children trolley, including with unfolded state and folded state vehicle frame, set on the front component and wheel assembly of the bottom of frame, the vehicle frame includes two or more side stands, each side stand respectively includes handle and fore-stock, the fore-stock includes upper boom and lower beam, the upper boom and the lower beam opposite can be slidably connected, and the front component is set to the lower end of the lower beam；Each side stand respectively further comprises the link assembly for driving the relatively described upper boom sliding of the lower beam in handle movement；When the vehicle frame is converted from unfolded state to folded state, the lower beam is slided along the extending direction of the upper boom, and the length of the fore-stock shortens.
Description
Technical field
The utility model relates to articles for children field, in particular to a kind of children trolley.
Background technique
Currently, children trolley, which usually can be folded and then be realized, reduces volume, in order to store.However many children push away
Vehicle after folding, there are fore-stock length is too long so that be not suitable with the length of after-poppet and cause it is whole take up space compared with
Greatly.In order to reduce the length of the fore-stock after children trolley folds, the fore-stock of some children trolleys includes that can relatively rotate
Two components, although folding can be overturn, need after vehicle frame folding carry out secondary folding can realize after-poppet
Further folding and reduce, it is not convenient enough to fold, and therefore, it is difficult to meet the consumption experience increasingly got higher to require and real need
It asks.
Summary of the invention
The purpose of the utility model is to provide a kind of children trolley, existing fore-stock after being folded which solve children trolley
Too long problem, fore-stock is scalable, so that folded children trolley small volume.
In order to achieve the above objectives, the utility model adopts the following technical solution:
A kind of children trolley, including with unfolded state and folded state vehicle frame, set on the front-wheel of the bottom of frame
Component and wheel assembly, the vehicle frame include two or more side stands, and each side stand respectively includes handle
And fore-stock,
The fore-stock includes upper boom and lower beam, and the upper boom and the lower beam opposite can be slidably connected, the front-wheel
Component is set to the lower end of the lower beam；
Each side stand is respectively further comprised for driving the relatively described upper boom of the lower beam in handle movement
The link assembly of sliding；
When the vehicle frame is converted from unfolded state to folded state, the lower beam is sliding along the extending direction of the upper boom
Dynamic, the length of the fore-stock shortens.
In one embodiment, the link assembly includes:
Handle connecting rod, end is rotatably connected at the lower end of the handle by the first pivot thereon；
Upper boom connecting rod, front end are rotatably connected at the upper boom by the second pivot；And
Lower beam connecting rod, front end are rotatably connected at the lower beam by third pivot；
Wherein, the rear end of the lower beam connecting rod is rotationally and slidably connected to the upper boom connecting rod, the handle
The lower end of connecting rod rotates with the lower beam connecting rod and connect, when the vehicle frame is in unfolded state, the institute of the lower beam connecting rod
Rear end is stated to be located at the first position of the upper boom connecting rod；When the vehicle frame is in folded state, the institute of the lower beam connecting rod
The second place that front end is located at the upper boom connecting rod is stated, the second position is located at the rear of the first position.
In one embodiment, the link assembly further includes the rod slide for being slidably connected to the upper boom connecting rod
Part, the lower end of the handle connecting rod, the lower beam connecting rod rear end and the rod slide part mutually turned by the 4th pivot
Dynamic connection.
In one embodiment, the sliding part is the connecting rod sliding sleeve being slideably sheathed on the upper boom connecting rod.
In one embodiment, the side stand further include:
After-poppet, lower end are provided with the wheel assembly；And
Auxiliary connecting rod, end is rotatably connected at the handle by the 5th pivot thereon；
Wherein, the upper end three of the upper end of the upper boom, the lower end of the auxiliary connecting rod and the after-poppet is two-by-two
Connect or rotate coaxially in relative rotation connection；The handle connecting rod is rotatably connected at the upper boom by the 6th pivot；
The rear end of the upper boom connecting rod is rotationally and slidably connected to the after-poppet, or, after the upper boom connecting rod passes through one
Rack rod is connected to the after-poppet, and the front end of the after-poppet connecting rod, rear end are respectively and after the upper boom connecting rod
End, the after-poppet are pivotally connected；When the vehicle frame is in folded state, the lower end of the lower beam and the after-poppet
Lower end is mutually drawn close.
In one embodiment, the side stand further includes the after-poppet sliding part for being slidably connected to the after-poppet,
The rear end of the upper boom connecting rod is pivotally connected to the after-poppet sliding part.
In one embodiment, the after-poppet sliding part is the after-poppet sliding sleeve being slideably sheathed on after-poppet.
In one embodiment, the handle includes that upper handle and lower end are rotatably connected at the upper handle lower end
Push-down handle, the handle connecting rod is rotatably connected at the lower end of the push-down handle, and the auxiliary connecting rod is rotatably coupled
In the top of the push-down handle；When the vehicle frame is in folded state, the upper end of the upper handle, the push-down handle lower end
The lower end of portion and the lower end of the lower beam, the after-poppet is mutually drawn close.
In one embodiment, the upper boom is consistent with the extending direction of the lower beam, and the lower beam can be along the upper boom
Extending direction is slidably inserted in the upper boom.
In one embodiment, the upper end of the lower beam is formed with the end plug being plugged in the upper boom, the connection rod set
Part is pivotally connected to the end plug by third, and the sliding slot for third pivot sliding is offered on the wall of the upper boom,
The third pivot is slideably threaded through in the sliding slot.
In conjunction with above-mentioned, the utility model uses above technical scheme, has the advantages that compared with prior art
Children trolley provided by the utility model, fore-stock include that can stretch with respect to the upper boom and lower beam slided
Contracting, and by link assembly lower beam and handle are linked, in vehicle frame folding, as handle acts, lower beam is in link assembly
Under the action of drawn close with respect to upper boom upward sliding so that folded fore-stock entire length reduce and do not need secondary folding
It is folded, reduce the volume of folded children trolley, and folding convenient.
Detailed description of the invention
It, below will be to attached drawing needed in embodiment description in order to illustrate more clearly of technical solution of the present invention
It is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the stereoscopic schematic diagram according to a kind of children trolley of the utility model upon deployment；
Fig. 2 is the side view of children trolley upon deployment shown in Fig. 1；
Fig. 3 is the cross-sectional view of the part (at M) of Fig. 2；
Fig. 4 is stereoscopic schematic diagram of the children trolley in folding process shown in Fig. 1；
Fig. 5 is the stereoscopic schematic diagram of children trolley after folding shown in Fig. 1；
Fig. 6 is the stereoscopic schematic diagram according to another children trolley of the utility model upon deployment；
Fig. 7 is the side view of children trolley upon deployment shown in Fig. 6；
Fig. 8 is side view of the children trolley in folding process shown in Fig. 6；
Fig. 9 is the side view of children trolley after folding shown in Fig. 6.
Wherein, 100, vehicle frame；101, side stand；102, lateral frame；200, front component；300, wheel assembly；
1, upper handle；2, push-down handle；3, fore-stock；31, upper boom；310, upper knock-off joint；311, sliding slot；32, lower beam；321,
End plug；4, handle connecting rod；5, upper boom connecting rod；51, connecting rod sliding sleeve；6, lower beam connecting rod；7, after-poppet；71, after-poppet sliding sleeve；8, auxiliary
Connecting rod；
9, after-poppet connecting rod.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be understood by the person skilled in the art with feature.The noun of locality addressed in the present invention is with this field to unfolded state
When children trolley usual observation visual angle and defined to describe convenient.
Embodiment 1
Fig. 1-5 shows a kind of children trolley according to the present utility model, including with unfolded state and folded state
Vehicle frame 100, front component 200 and wheel assembly 300 set on 100 bottom of vehicle frame, vehicle frame 100 include two or more
Side stand 101 and the lateral frame 102 being connected between side stand 101.In the present embodiment, the quantity of side stand 101 is two
And it is located at the left and right sides of children trolley.Each side stand 101 respectively includes handle and fore-stock 3, and fore-stock 3 includes upper
Bar 31 and lower beam 32, upper boom 31 and lower beam 32 opposite can be slidably connected, so that fore-stock 3 can stretch.It is each collateral
Frame 101 respectively further comprises link assembly, for driving lower beam 32 to slide with respect to upper boom 31 in handle movement, so that vehicle frame
100 when folding, lower beam 32 and handle linkage.Specific in the present embodiment, handle is substantially vertically extended, including is above pushed away
1 and lower end are rotatably connected at the push-down handle 2 of 1 lower end of upper handle, are equipped between upper handle 1 and push-down handle 2
Locking mechanism, such as electric bell locking mechanism.As shown in Fig. 2, pressing handle along direction shown in arrow A, upper handle 1 overturns folding, with
Push-down handle 2 move down, lower beam 32 under the action of link assembly the sliding of the direction shown in the arrow C to be drawn close with upper boom 31.Cause
This, when vehicle frame 100 is in unfolded state, lower beam 32 is unfolded with respect to upper boom 31；And when vehicle frame 100 is in folded state, lower beam 32
Upper end and the upper end of upper boom 31 mutually draw close, the lower end of lower beam 32 and the lower end of upper boom 31 are mutually drawn close, preceding branch
Frame 3 is folded to reduce the volume of folding rear carriage 100.That is, fore-stock 3 is scalable, when vehicle frame 100 from unfolded state to
When folded state is converted, lower beam 32 is slided along the extending direction of upper boom 31, so that the length shortening that fore-stock 3 is whole.
Link assembly in the present embodiment specifically includes handle connecting rod 4, upper boom connecting rod 5 and lower beam connecting rod 6.Handle connecting rod 4
It substantially vertically extends, end is rotatably connected at the lower end of push-down handle 2 by the first pivot a1 thereon；Upper boom connects
Bar 5 substantially extends along the longitudinal direction, and front end is rotatably connected at upper boom 31 by the second pivot a2；Lower beam connecting rod 6 is big
Body extends along the longitudinal direction, and front end is rotatably connected at lower beam 32 by third pivot a3.The rear end of lower beam connecting rod 6
It is rotationally and slidably connected to the upper boom connecting rod 5, the lower end of the handle connecting rod 4 turns with 6 phase of lower beam connecting rod
Dynamic connection is to drive lower beam connecting rod 6 mobile relative to upper boom connecting rod 5, and specifically, link assembly further includes being slidably connected to
The rod slide part of bar connecting rod 5, rod slide part are specially that upper boom company can be slidably sheathed on along the length direction of upper boom connecting rod 5
The rear end of connecting rod sliding sleeve 51 on bar 5, lower beam connecting rod 6 is rotatably connected at connecting rod sliding sleeve 51 by the 4th pivot a4, pushes away
Connecting rod 4 is rotated also by the 4th pivot a4 with lower beam connecting rod 6 and is connect.As shown in Fig. 2, the side shown in the arrow A of push-down handle 2
To movement, the lower end of handle connecting rod 4 is flipped up, and drives connecting rod sliding sleeve 51 and lower beam connecting rod 6 the direction phase shown in the arrow B
Upper boom connecting rod 5 is slided, lower beam 32 under the action of lower beam connecting rod 6 sliding of the direction shown in the arrow C to be drawn close with upper boom 31,
Realize that linkage is shunk.When vehicle frame 100 is in unfolded state, the front end of lower beam connecting rod 6 is connected to the first position of upper boom connecting rod 5
Locate (51 present position of connecting rod sliding sleeve)；When vehicle frame 100 is in folded state, the front end of lower beam connecting rod 6 is connected to upper boom connecting rod 5
The second place, the second position is located at the rear of first position.That is, connecting rod sliding sleeve 51 is to upper boom connecting rod when folding
5 rear end is drawn close.
Front component 200 is specifically set to the lower end of the lower beam 32 of fore-stock 3.Each side stand 101 respectively further comprises
After-poppet 7 and auxiliary connecting rod 8；Wheel assembly 300 is set to the lower end of after-poppet 7；The upper end of auxiliary connecting rod 8 passes through the 5th pivot
A5 is rotatably connected at the top of push-down handle 2 and the 5th pivot a5 is located at the top of the first pivot a1, and handle connecting rod 4 passes through the
Six pivot a6 are rotatably connected at upper boom 31 and the 6th pivot a6 between the first pivot a1 and the 4th pivot a4, thus
Four-bar mechanism is constituted between push-down handle 2, handle connecting rod 4, upper boom 31 and auxiliary connecting rod 8.The upper end of upper boom 31, auxiliary connecting rod 8
The upper end three of lower end and after-poppet 7 connects or rotates coaxially in relative rotation two-by-two connection；That is, the upper end of upper boom 31
The component of upper end three in portion, the lower end of auxiliary connecting rod 8 and after-poppet 7 by same pivot rotate connection or three components
In first component and second component connection and third component are rotated by a pivot can by another pivot
It is rotationally connected with first component or second component.Specific in the present embodiment, the end of upper boom 31 is formed with upper boom and connects
First 310, the lower end of auxiliary connecting rod 8 is rotatably connected at upper knock-off joint 310, the upper end of after-poppet 7 by the 7th pivot a7
Upper knock-off joint 310 is rotationally connected with by the 8th pivot.The rear end of upper boom connecting rod 5 in link assembly can be rotated and can slide
It is connected to after-poppet 7 dynamicly.In the present embodiment, each side stand 101 respectively further comprises be slidably connected to after-poppet 7 after
Holder slider, after-poppet sliding part can be the rear branch that can be slidably sheathed on along the length direction of after-poppet 7 on after-poppet 7
Frame sliding sleeve 71；The rear end of upper boom connecting rod 5 is rotatably connected at after-poppet sliding sleeve 71 by the 9th pivot a9.As shown in Fig. 2,
When vehicle frame 100 folds, as upper boom connecting rod 5 is overturn, after-poppet sliding sleeve 71 is along direction upward sliding shown in arrow D, until cunning
It moves to the upper end of after-poppet 7.
The first pivot a1, the second pivot a2, third pivot a3, the 4th pivot a4, the 5th pivot in each side stand 101
A5, the 6th pivot a6, the 7th pivot a7, the 8th pivot a and the 9th pivot a9 axial line be parallel to each other, preferably pushed away along children
The left and right directions horizontal extension of vehicle.The axial line of the corresponding pivot of two side stands 101 overlaps, such as two side stands
The axial line of 101 the first pivot a1 overlaps, the axial line phase mutual respect of two the second pivot a2 of two side stands 101
It closes, and so on.
In the present embodiment, upper boom 31 is consistent with the extending direction of lower beam 32, and lower beam 32 can be sliding along the extending direction of upper boom 31
It is connected to upper boom 31 dynamicly.Specific in the present embodiment, lower beam 32 can slidably be inserted in upper boom along the extending direction of upper boom 31
In 31.Referring to shown in Fig. 3, the upper end of lower beam 32 is formed with the end plug 321 being plugged in upper boom 31, the rear end of lower beam connecting rod 6
Portion is rotatably connected at end plug 321 by the third pivot a3, extended along on the wall of upper boom 31 direction offer for
The sliding slot 311 of third pivot a3 sliding, third pivot a3 are slideably threaded through in sliding slot 311, to allow lower beam 32 opposite
Upper boom 31 slides.
As shown in Figure 1-3, children trolley is upon deployment, vehicle frame 100 is in unfolded state, upper handle 1, push-down handle 2, preceding branch
Frame 3, after-poppet 7 are opposite to be unfolded, and the lower beam 32 of fore-stock 3 is stretched out with respect to lower beam 32.
As shown in figure 4, downwardly turning over handle 1 when vehicle frame 100 is when folding and push-down handle 2 being driven to move down, handle connects
The overturning of bar 4 drives connecting rod sliding sleeve 51 to slide backward along upper boom connecting rod 5, and lower beam connecting rod 6 moves backward therewith, to drive lower beam 32
It slides into upper boom 31, while the four-bar mechanism between push-down handle 2, handle connecting rod 4, upper boom 31 and auxiliary connecting rod 8 folds, after-poppet
7 draw close under the mating reaction of upper boom connecting rod 5 and after-poppet sliding sleeve 71 to upper boom 31.Until state as shown in Figure 5 is folded into,
Vehicle frame 100, which folds, to be completed to reach folded state, and at this time in each side stand 101, the lower beam 32 of fore-stock 3 is contracted in upper boom 31,
The upper end of upper handle 1, the lower end of the lower end of push-down handle 2 and lower beam 32, after-poppet 7 lower end mutually draw close, above push away
The upper end of 1 lower end, the upper end of push-down handle 2 and upper boom 31 is mutually drawn close.
Children trolley provided by the invention, fore-stock 3 include that can stretch with respect to the upper boom 31 and lower beam 32 slided
Contracting, and by link assembly lower beam 32 and handle are linked, when vehicle frame 100 folds, as handle acts, lower beam 32 is even
It is drawn close under the action of bar assembly with respect to 31 upward sliding of upper boom, so that 3 entire length of folded fore-stock reduces and is not required to
Secondary folding is wanted, the volume of folded children trolley, and folding convenient are reduced.
Embodiment 2
Fig. 6-9 shows another children trolley according to the present utility model, the substantially children trolley with embodiment 1,
Difference is only that the connection type of upper boom connecting rod 5 and after-poppet 7.Referring in particular to Fig. 6-9, after the rear end of upper boom connecting rod 5 passes through
Rack rod 9 is connected to after-poppet 7, and the front end of after-poppet connecting rod 9 is rotatably connected at upper boom by the tenth pivot a10 and connects
The rear end of bar 5, the rear end of after-poppet connecting rod 9 are rotatably connected at after-poppet 7 by the 11st pivot a11, upper boom 31,
Constitute another four-bar mechanism between upper boom connecting rod 5, after-poppet connecting rod 9 and after-poppet 7, can with side stand 101 its
Its partially folded upper boom 31 for making after-poppet 7 and fore-stock 3 is drawn close.The axial line of tenth pivot a10, the 11st pivot a11
Extend respectively along the left and right directions of children trolley and the first pivot a1, the second pivot a2, third pivot a3, the 4th pivot a4, the
Five pivot a5, the 6th pivot a6, the 7th pivot a7, the 8th pivot a8 axial line be parallel to each other.
The above embodiments are only for explaining the technical ideas and features of the present invention, is preferred embodiment, purpose
It is that person skilled in the art can understand the content of the utility model and implement accordingly, can not be limited with this practical
Novel protection scope.Equivalent transformation or modification made by all Spirit Essences according to the present utility model, should all cover in this reality
Within novel protection scope.
Claims (10)
1. a kind of children trolley, including with unfolded state and folded state vehicle frame, set on the front wheels of the bottom of frame
Part and wheel assembly, the vehicle frame include two or more side stands, each side stand respectively include handle and
Fore-stock, it is characterised in that:
The fore-stock includes upper boom and lower beam, and the upper boom and the lower beam opposite can be slidably connected, the front component
Set on the lower end of the lower beam；
Each side stand is respectively further comprised for driving the relatively described upper boom sliding of the lower beam in handle movement
Link assembly；
When the vehicle frame is converted from unfolded state to folded state, the lower beam is slided along the extending direction of the upper boom, institute
The length for stating fore-stock shortens.
2. children trolley according to claim 1, which is characterized in that the link assembly includes:
Handle connecting rod, end is rotatably connected at the lower end of the handle by the first pivot thereon；
Upper boom connecting rod, front end are rotatably connected at the upper boom by the second pivot；And
Lower beam connecting rod, front end are rotatably connected at the lower beam by third pivot；
Wherein, the rear end of the lower beam connecting rod is rotationally and slidably connected to the upper boom connecting rod, the handle connecting rod
Lower end rotate and connect with the lower beam connecting rod, when the vehicle frame is in unfolded state, the lower beam connecting rod it is described after
End is located at the first position of the upper boom connecting rod；When the vehicle frame is in folded state, the lower beam connecting rod it is described before
End is located at the second place of the upper boom connecting rod, and the second position is located at the rear of the first position.
3. children trolley according to claim 2, which is characterized in that the link assembly further includes being slidably connected to
The rod slide part of the upper boom connecting rod, the lower end of the handle connecting rod, the rear end of the lower beam connecting rod and the connecting rod
Sliding part is rotated connection by the 4th pivot.
4. children trolley according to claim 3, which is characterized in that the sliding part is slideably to be sheathed on described
Connecting rod sliding sleeve on bar connecting rod.
5. children trolley according to claim 2, which is characterized in that the side stand further include:
After-poppet, lower end are provided with the wheel assembly；And
Auxiliary connecting rod, end is rotatably connected at the handle by the 5th pivot thereon；
Wherein, the upper end three of the upper end of the upper boom, the lower end of the auxiliary connecting rod and the after-poppet is opposite two-by-two
Rotationally connect or rotate coaxially connection；The handle connecting rod is rotatably connected at the upper boom by the 6th pivot；It is described
The rear end of upper boom connecting rod is rotationally and slidably connected to the after-poppet, or, the upper boom connecting rod passes through an after-poppet
Connecting rod is connected to the after-poppet, the front end of the after-poppet connecting rod, rear end respectively with the rear end of the upper boom connecting rod,
The after-poppet is pivotally connected；When the vehicle frame is in folded state, the lower end of the lower end of the lower beam and the after-poppet
Portion is mutually drawn close.
6. children trolley according to claim 5, which is characterized in that the side stand further includes being slidably connected to institute
The after-poppet sliding part of after-poppet is stated, the rear end of the upper boom connecting rod is pivotally connected to the after-poppet sliding part.
7. children trolley according to claim 6, which is characterized in that the after-poppet sliding part is slideably to be sheathed on
After-poppet sliding sleeve on after-poppet.
8. according to the described in any item children trolleys of claim 5-7, which is characterized in that the handle includes upper handle and lower end
Portion is rotatably connected at the push-down handle of the upper handle lower end, and the handle connecting rod is rotatably connected at the push-down handle
Lower end, the auxiliary connecting rod is rotatably connected at the top of the push-down handle；It is described when the vehicle frame is in folded state
The upper end of upper handle, the lower end of the lower end of the push-down handle and the lower beam, the after-poppet lower end mutually lean on
Hold together.
9. children trolley according to claim 1, which is characterized in that the extending direction one of the upper boom and the lower beam
It causes, the lower beam can be slidably inserted in the upper boom along the extending direction of the upper boom.
10. children trolley according to claim 9, which is characterized in that the upper end of the lower beam, which is formed with, is plugged in institute
The end plug in upper boom is stated, the link assembly is pivotally connected to the end plug by third, and offering on the wall of the upper boom can
For the sliding slot of third pivot sliding, the third pivot is slideably threaded through in the sliding slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821036145.7U CN208682886U (en) | 2018-07-02 | 2018-07-02 | A kind of children trolley |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821036145.7U CN208682886U (en) | 2018-07-02 | 2018-07-02 | A kind of children trolley |
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| CN208682886U true CN208682886U (en) | 2019-04-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022121897A1 (en) * | 2020-12-11 | 2022-06-16 | 好孩子儿童用品有限公司 | Foldable cart |
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2018
- 2018-07-02 CN CN201821036145.7U patent/CN208682886U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022121897A1 (en) * | 2020-12-11 | 2022-06-16 | 好孩子儿童用品有限公司 | Foldable cart |
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