CN206734372U - Children trolley - Google Patents

Children trolley Download PDF

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Publication number
CN206734372U
CN206734372U CN201720247565.9U CN201720247565U CN206734372U CN 206734372 U CN206734372 U CN 206734372U CN 201720247565 U CN201720247565 U CN 201720247565U CN 206734372 U CN206734372 U CN 206734372U
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China
Prior art keywords
singletree
bar
sides
vehicle frame
side stand
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CN201720247565.9U
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Chinese (zh)
Inventor
马福生
祁衡
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Goodbaby Child Products Co Ltd
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Goodbaby Child Products Co Ltd
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Priority to CN201720247565.9U priority Critical patent/CN206734372U/en
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Abstract

The utility model discloses a kind of children trolley, its vehicle frame includes the stull component for being divided into the side stand of both sides and being connected between the side stand of both sides, stull component includes the more singletrees extended in left-right direction, the one end of singletree is pivotally connected in by first axle on the side stand in left side, the other end of singletree is pivotally connected in by the second axle on the side stand on right side, multiple first elastic components are provided between singletree and the side stand in left side, multiple second elastic components are provided between singletree and the side stand on right side, during the vehicle frame folding, per side side stand respectively folding and after realizing the once folding of vehicle frame, vehicle frame can be automatically oriented the upset of stull component in the presence of the first elastic component and the second elastic component and collapse and complete twice-folded.It so not only may be such that the structure after vehicle frame folding is more compact, also significantly simplify operating procedure during vehicle frame folding, brought great convenience for the routine use of user.

Description

Children trolley
Technical field
The utility model is related to a kind of children trolley, more particularly to one kind can twice-folded and folding operation very easily Children trolley.
Background technology
Children trolley is because its convenience and practicality have been obtained for being widely applied, in the prior art, children trolley Structure is varied, but the problem of volume after folding bigger than normal and not readily portable and storage mostly also be present.
In order that the volume for obtaining children trolley further reduces, and at present, applicant has developed more money children trolleys, wherein Twice-folded function is carried, i.e., after each rod member fore-and-aft direction of stroller frame collapses, then carries out horizontal receipts in left-right direction Folding, such as patent CN103507846, CN104554410, so that the volume of vehicle frame further reduces.But current vehicle frame The operation by multi-step is needed when folding, it is more inconvenient to use.
The content of the invention
The purpose of this utility model is to provide one kind can twice-folded and folding operation very easily children trolley
To reach above-mentioned purpose, the technical solution adopted in the utility model is:A kind of children trolley, including with expansion shape The vehicle frame of state and folded state, wheel assembly located at the bottom of frame, for by vehicle frame locking in the deployed state Locking mechanism, the vehicle frame include two side stands, the horizontal stroke being connected between side stand described in both sides for being divided into the left and right sides Support component, the side stand per side include the more cradling pieces that can relatively rotate connection, and the stull component includes more The singletree extended in left-right direction, the one end of the singletree are pivotally connected in the side stand in left side by first axle On, the other end of the singletree is pivotally connected in by the second axle on the side stand on right side, the singletree and a left side Multiple side stands for being used to drive left side are provided between the side stand of side around the first axle towards the singletree The first elastic component that laterally upset is collapsed, it is provided between the singletree and the side stand on right side multiple for driving right side The side stand around second axle towards the singletree laterally upset collapse the second elastic component, the vehicle frame folding When, more of the same side cradling pieces, which relatively rotate, to be drawn close and causes side stand gathering to realize the one of the vehicle frame After secondary folding, collinearly the axial line of extension or parallel and all second axle is conllinear for the axial line of all first axles Extension is parallel, and the side stand of both sides is automatically oriented in the presence of first elastic component, the second elastic component respectively The singletree upset is collapsed and then realizes the twice-folded of the vehicle frame.
Preferably, first elastic component is the first torsion spring being set in the first axle, and second elastic component is The second torsion spring being set on second axle.
Preferably, when the vehicle frame is after described once folding, the side stands of both sides in opposite directions upset and automatically Collapse to the same side of all singletrees.
Further, when the vehicle frame is after described once folding, the axial line of all first axles collinearly prolongs Stretch, the axial line of all second axles collinearly extends, and the axial line of the axial line of the first axle and the second axle is mutual It is parallel.
Preferably, the more cradling pieces per side stand described in side comprise at least relatively rotate connection front support rod, after Pole and push rod, the singletree described in more include the first singletree between the front support rod of both sides, and/or are located at The second singletree between the back stay of both sides, and/or the 3rd singletree between the push rod of both sides.
Further, the side stand per side also includes the fluffy bar, along the longitudinal direction of gradual updip extension from front to back The seat bar of extension, and pull bar, the bottom of the fluffy bar are connected with the top phase pivot of the front support rod, the back stay it is upper Portion is pivotally connected on the fluffy bar, and the front portion of the seat bar is pivotally connected in the front support rod above and its rear portion is pivotally connected in On the back stay, the one end of the pull bar is pivotally connected on the top of the front support rod or the bottom of the fluffy bar, institute State it is pivotally connected on the other end of pull bar have a sliding part, described sliding part is slidingly back and forth on the seat bar;It is described The lower pivot of push rod is connected to the front support rod above or on the fluffy bar, described to push away when the vehicle frame is in deployed condition Bar has the positive operating position of gradual updip extension from front to back and from back to front the reverse operation position of gradual updip extension.
Further, per side the side stand also include along the longitudinal direction extension and back pivot be connected to it is described before Bar on pole or the fluffy bar, the 4th singletree is provided between the leading section of the bar of both sides, is pushed away when described When bar is in positive operating position, the push rod mutually draws close locking with the fluffy bar;When the push rod is in reverse operation position When putting, the push rod mutually draws close locking with the bar.
Further, the top of the front support rod, the bottom of the fluffy bar, the rear portion of the bar and the drawing The one end of bar is mutually rotatably connected by same cradle head.
As a kind of specific set-up mode, the first described stull is provided between the bottom of the front support rod of both sides Bar, the second described singletree is provided between the back stay of both sides, is provided between the top of the push rod of both sides described The 3rd singletree;The 5th singletree is additionally provided between the rear portion of the seat bar of both sides, between the top of fluffy bar described in both sides It is additionally provided with the 6th singletree.
Further, the wheel assembly includes being divided into two groups of front-wheels of front support rod bottom described in both sides, is divided into both sides Two groups of trailing wheels of the back stay bottom, after the vehicle frame completes described twice-folded, the front-wheel edge left and right of both sides Direction is mutually drawn close, and the trailing wheel of both sides is drawn close in left-right direction, and the front-wheel is located at the top of the trailing wheel.
Due to the utilization of above-mentioned technical proposal, the utility model has following advantages compared with prior art:This practicality is new The children trolley of type, wherein by setting stull component between the side stand of both sides, and by setting the first elastic component and the Two elastic components so that each cradling piece of the side stand on vehicle frame per side relatively rotate collapse and after realizing the once folding of vehicle frame, Vehicle frame can be automatically oriented stull component upset gathering and automatically reality in the presence of the first elastic component and the second elastic component Existing twice-folded.It so not only may be such that the structure after vehicle frame folding is more compact, when also significantly simplify vehicle frame folding Operating procedure, brought great convenience for the routine use of user.
Brief description of the drawings
Accompanying drawing 1 is the stereogram under the children trolley deployed condition of the present embodiment;
Accompanying drawing 2 is the side view under the children trolley deployed condition of the present embodiment, and wherein push rod is in positive operating position;
Accompanying drawing 3 is the side view under the children trolley deployed condition of the present embodiment, and wherein push rod is in reverse operation position;
Accompanying drawing 4 is side view of the children trolley of the present embodiment after once folding;
Accompanying drawing 5 is front view of the children trolley of the present embodiment after once folding;
Accompanying drawing 6 is A portions enlarged diagram in accompanying drawing 5;
Accompanying drawing 7 is B portions enlarged diagram in accompanying drawing 5;
Accompanying drawing 8 is stereogram of the children trolley of the present embodiment after twice-folded;
Wherein:100th, side stand;
1st, front support rod;2nd, back stay;3rd, push rod;4th, fluffy bar;5th, seat bar;6th, pull bar;7th, sliding part(Sliding sleeve);8th, handrail Bar;9th, cradle head;10th, band is carried in unblock;20th, front-wheel;30th, trailing wheel;
11st, the first singletree;12nd, the second singletree;13rd, the 3rd singletree;14th, the 4th singletree;15th, the 5th stull Bar;16th, the 6th singletree;
A, b, c, d, e, f, first axle;A ', b ', c ', d ', e ', f ', the second axle;
21st, the first elastic component(First torsion spring);22nd, the second elastic component(Second torsion spring).
Embodiment
The technical solution of the utility model is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
Referring to the children trolley shown in Fig. 1 to Fig. 4, it includes the vehicle frame with deployed condition and folded state, located at car The wheel assembly of frame bottom, and for the locking mechanism by vehicle frame locking in the deployed state, the vehicle frame includes being divided into left and right Two side stands 100 of both sides, the stull component being connected between both sides side stand 100.
Side stand 100 per side includes the more cradling pieces for relatively rotating connection, the more cradling pieces in vehicle frame folding Relatively rotate and collapse together and cause side stand to realize folding.Referring to shown in Fig. 1 to Fig. 3, specifically, the side stand per side 100 include front support rod 1, back stay 2, push rod 3, fluffy bar 4, seat bar 5 and pull bar 6, wherein, front support rod 1, fluffy bar 4 are respectively before Gradual updip is set backward, and the top of front support rod 1 is connected with the bottom phase pivot of fluffy bar 4;Back stay 2 is vertically extending, And the upper pivot of back stay 2 is connected on fluffy bar 4;Seat bar 5 extends along the longitudinal direction, before the front portion of seat bar 5 is pivotally connected in On pole 1 and its rear portion is pivotally connected on back stay 2;Pull bar 6 tilts extension, the upper end pivot of pull bar 6 along the vertical direction It is connected on the top of front support rod 1 or the bottom of fluffy bar 4, the lower pivot of pull bar 6 is connected with a sliding part 7, before and after sliding part 7 Slidably on the seat bar 5, herein the sliding part 7 use for the sliding sleeve 7 that is slidably arranged on present bar 5.It is collateral per side Frame 100 also includes the bar 8 extended along the longitudinal direction, and the back pivot of the bar 8 is connected to the top or fluffy of front support rod 1 The bottom of bar 4
Referring to shown in Fig. 1 to Fig. 3, the lower pivot of push rod 3 is connected to the top of front support rod 1 or the bottom of fluffy bar 4, and works as When vehicle frame is in deployed condition, push rod 3 has the positive working condition of gradual updip extension from front to back and gradual from back to front The reverse operation state of updip extension.Locking piece is respectively arranged between fluffy bar 4 and push rod 3, between bar 8 and push rod 3, when Shown in Figure 2 when push rod 3 is in positive operating position, push rod 3 is drawn close with the fluffy phase of bar 4 and mutually locking so that user can be from Carry out stroller in the rear of stroller;When push rod 3 is in reverse operation position, referring to shown in accompanying drawing 3, push rod 3 leans on the phase of bar 8 Hold together and mutually locking so that the children that user can be faced in front of stroller on stroller reversely carry out stroller.
Referring to shown in Fig. 1 to Fig. 3, in the present embodiment, the top of front support rod 1, the bottom of fluffy bar 4, push rod 3 bottom, The upper end of pull bar 6 and the rearward end of bar 8 are mutually pivotally connected together by cradle head 9.When vehicle frame is in During deployed condition, per on side side stand 100, front support rod 1 extends with fluffy bar 4 along same length direction, front support rod 1, back stay 2, Stable triangular structure is formed between fluffy bar 4 and seat bar 5, one stable three is also formed between front support rod 1, seat bar 5 and pull bar 6 Angular structure so that the side stand 100 per side is under stable deployed condition.User visually carry out needing and by push rod 3 Draw close and be locked on fluffy bar 4 and realize positive implementation or draw close and be locked on bar 8 and realize reversely implementation.
Prolong in left-right direction including more referring to the stull component shown in Fig. 1, Fig. 5, being connected between both sides side stand 100 The singletree stretched, the singletree at least two, it is collateral that the left part of every singletree by first axle is pivotally connected in left side On the cradling piece of frame 100, and its right part is pivotally connected in by the second axle on the cradling piece of right side side stand 100;Singletree It is provided with what the side stand 100 for being used to drive left side collapsed around first axle towards singletree upset between the side stand 100 in left side First elastic component 21, the side stand 100 for being used for driving right side is provided between singletree and the side stand on right side around the second axle direction The second elastic component 22 that singletree upset is collapsed.
In the present embodiment, singletree is provided with 6, the first singletree 11 respectively between both sides front support rod 1, The second singletree 12 between both sides back stay 2, the 3rd singletree 13 between both sides push rod 3, help located at both sides The 4th singletree 14 between hand lever 8, the 5th singletree 15 between the fluffy bar 4 in both sides, and located at both sides seat bar 5 Between the 6th singletree 16.Wherein, referring to shown in Fig. 1, Fig. 5, the both ends of the first singletree 11 pass through first axle a, respectively Two axle a ' are pivotally connected between the bottom of both sides front support rod 1;The both ends of second singletree 12 pass through first axle b, second respectively Axle b ' is connected with the phase pivot of both sides back stay 2;The both ends of 3rd singletree 13 are connected by first axle c, the second axle c ' pivots respectively It is connected between the top of both sides push rod 3;The both ends of 4th singletree 14 are pivotally connected in by first axle d, the second axle d ' respectively Between the leading section of both sides bar 8;The both ends of 5th singletree 15 are pivotally connected in by first axle e, the second axle e ' respectively Between the top of the fluffy bar 4 in both sides;The both ends of 6th singletree 16 are pivotally connected in both sides by first axle f, the second axle f ' respectively Between the rear portion of seat bar 5.
Referring to shown in Fig. 6, Fig. 7, the first elastic component 21 is the first torsion spring being set on first axle a/b/c/d/e/f, the Two elastic components 22 are the second torsion spring being set on the second axle a '/b '/c '/d '/e '/f '.Can be all during specific setting Be respectively provided with the first torsion spring 21, or the first torsion spring 21 is wherein set in one or more first axle in first axle;Similarly, Can be to be respectively provided with the second torsion spring 22 on the second all axles, or set second to turn round wherein on one or a few second axle Spring 22.
When children trolley deploys in use, referring to shown in Fig. 1 to Fig. 3, the side stand 100 of both sides deploys respectively, singletree All singletrees of component are supported between the side stand 100 of both sides, under the deployed condition, more first axle a/b/c/d/e/f Axial line, more second axle a '/b '/c '/d '/e '/f ' axial line it is different, respectively by more of the side stand 100 of both sides Support rod lock, you can so that vehicle frame is stably under the deployed condition.In the present embodiment, the locking mechanism on vehicle frame is adopted To be arranged on the locking piece for being used to lock both between sliding sleeve 7 and seat bar 5(Not shown in figure), the locking pieces of both sides it Between be provided be used for by both unlock unblocks carry band 10, lift unblock carry band 10 can be by the locking piece synchronizing unlocking of both sides.
When needing to get up vehicle frame folding, operator lift unblock carry band 10 and by the locking piece synchronizing unlocking of both sides, On side stand 100 per side, sliding sleeve 7 carries the forward slip of lifting effect lower edge seat bar 5 of band 10 in unblock, at the same push rod 3 with it is fluffy Bar 4 is increasingly towards the rear side upset of back stay 2 because self gravitation is turned over so that front support rod 1, back stay 2, push rod 3, fluffy Bar 4, seat bar 5, pull bar 6 and bar 8 are gradually collapsed together, so that the side stand 100 of both sides is respective along the longitudinal direction Folding is completed, realizes the once folding of vehicle frame.In this condition, all first axle a, b, c, d, e, f axial line collinearly prolong Stretch or parallel, while the collinearly extension or parallel of more second axle a ', b ', c ', d ', e ', f ' axial line.As shown in figure 5, at this In embodiment, after above-mentioned once folding, first axle a, b, c, d, e, f axial line collinearly extend vehicle frame substantially, a, b, c, D, the straight line where e, f axial line forms the rotary centerline M-M ' of left side side stand 100;Second axle a ', b ', c ', d ', E ', f ' axial line collinearly extend substantially, a ', b ', c ', d ', e ', f ' axial line where straight line formed left side side stand 100 rotary centerline N-N ', and M-M ' is parallel with N-N '.
Now, under the elastic acting force of the first all torsion springs 21, left side side stand 100 is automatically around M-M ' towards institute Some singletrees, which rotate, to be collapsed;Under the elastic acting force of the second all torsion springs 22, right side side stand 100 is automatically around N-N ' Rotate and collapse towards all singletrees.Specifically, herein, the side stand 100 of both sides is overturn and collapsed to opposite to each other The same side of all singletrees, as shown in Figure 8.
Referring to shown in each accompanying drawing, on the children trolley, wheel assembly is included before being divided into two groups of the bottom of both sides front support rod 1 Wheel 20, two groups of trailing wheels 30 for being divided into the bottom of both sides back stay 2.Vehicle frame is after once folding, as shown in figure 4,20, front-wheel In the top of trailing wheel 30, vehicle frame is after twice-folded, as shown in figure 8, the front-wheel 20 of both sides is drawn close in left-right direction, both sides Trailing wheel 30 is drawn close in left-right direction, and two front-wheels 20 are located at the top of two trailing wheels 30.
In the present embodiment, front-wheel 20 is arranged to by wheel body, front support rod 1 and front wheel carrier after two of front wheel carrier connection Middle part is connected;Trailing wheel 30 is arranged to the middle part of rear wheel frame be connected by wheel body after two of rear wheel frame connection, back stay 2 Connect.So, vehicle frame is after once folding, each cradling piece of the same side side stand 100 mutually collapse after can partial receipt exist Between two preceding wheel bodys with two after between wheel body, after the side stand 100 of both sides is overturn in opposite directions to be collapsed, enable to wheel assembly Closely collapse between each rod member of vehicle frame, so as to show very smooth compact state, as shown in Figure 8.
To sum up, the children trolley of the present embodiment, its vehicle frame has good stability in the deployed state, and push rod 3 can Forward and reverse commutation work.When by vehicle frame folding, also only need lifting unblock carry hand 10, can realize locking mechanism on vehicle frame from Dynamic unblock so that vehicle frame automatically realizes once folding and twice-folded successively, and folding operation is very convenient, is the day of user Normal use brings great convenience.
Certainly, when children trolley uses other body frame structure for automotive, by setting stull group between the side stand of both sides Part, and by setting the first elastic component and the second elastic component so that the side stand on vehicle frame per side completes folding and realizes vehicle frame Once folding after, vehicle frame can be automatically oriented in the presence of the first elastic component and the second elastic component stull component upset receive Hold together and complete twice-folded.
For above-described embodiment only to illustrate technical concepts and features of the present utility model, its object is to allow be familiar with technique Personage can understand content of the present utility model and implement according to this, the scope of protection of the utility model can not be limited with this. All equivalent change or modifications made according to the utility model Spirit Essence, should all cover the scope of protection of the utility model it It is interior.

Claims (10)

1. a kind of children trolley, including the vehicle frame with deployed condition and folded state, the wheel assembly located at the bottom of frame, It is collateral including two at left and right sides of being divided into for the locking mechanism by vehicle frame locking in the deployed state, the vehicle frame Frame, the stull component being connected between side stand described in both sides, it is characterised in that:The side stand per side includes can be relative More cradling pieces of rotation connection, the stull component include the more singletrees extended in left-right direction, the singletree One end is pivotally connected in by first axle on the side stand in left side, and the other end of the singletree passes through the second axle pivot Axis connection is provided with multiple for driving a left side on the side stand on right side, between the singletree and the side stand in left side The side stand of side around the first axle towards the singletree laterally upset collapse the first elastic component, the singletree with Multiple side stands for being used to drive right side are provided between the side stand on right side around second axle towards the stull Bar the second elastic component that laterally upset is collapsed,
During the vehicle frame folding, more of the same side cradling pieces relatively rotate draw close and the side stand is collapsed so as to After the once folding for realizing the vehicle frame, the collinearly extension or parallel and all described the of the axial lines of all first axles The collinearly extension or parallel of the axial lines of two axles, the side stands of both sides is respectively in first elastic component, the second elastic component The singletree upset is automatically oriented under effect to collapse and then realize the twice-folded of the vehicle frame.
2. children trolley according to claim 1, it is characterised in that:First elastic component is to be set in the first axle On the first torsion spring, second elastic component is the second torsion spring being set on second axle.
3. children trolley according to claim 1, it is characterised in that:After once folding of the vehicle frame described in, two The side stand of side overturns and automatically collapses to the same side of all singletrees in opposite directions.
4. children trolley according to claim 3, it is characterised in that:After once folding of the vehicle frame described in, institute The axial line for the first axle having collinearly extends, and the axial line of all second axles collinearly extends, and the first axle The axial line of axial line and the second axle be parallel to each other.
5. children trolley according to any one of claims 1 to 4, it is characterised in that:Described in more of side stand described in per side Cradling piece comprises at least front support rod, back stay and the push rod for relatively rotating connection, and the singletree described in more includes being located at both sides The front support rod between the first singletree, and/or the second singletree between the back stay of both sides, and/or The 3rd singletree between the push rod of both sides.
6. children trolley according to claim 5, it is characterised in that:Per side the side stand also include from front to back by Gradually fluffy bar, the seat bar that extends along the longitudinal direction of updip extension, and pull bar, the bottom of the fluffy bar are upper with the front support rod Portion's phase pivot connection, the upper pivot of the back stay are connected on the fluffy bar, and the front portion of the seat bar is pivotally connected in institute State front support rod above and its rear portion is pivotally connected on the back stay, the one end of the pull bar is pivotally connected in the front support rod Top or the fluffy bar bottom on, it is pivotally connected on the other end of the pull bar to have a sliding part, before described sliding part Afterwards slidably on the seat bar;The lower pivot of the push rod is connected to the front support rod above or on the fluffy bar, works as institute When stating vehicle frame and being in deployed condition, the push rod has the positive operating position of gradual updip extension from front to back and from back to front The reverse operation position of gradual updip extension.
7. children trolley according to claim 6, it is characterised in that:The side stand per side is also included along the longitudinal direction Extension and back pivot are connected to bar on the front support rod or the fluffy bar, the leading section of the bar of both sides it Between be provided with the 4th singletree, when the push rod is in positive operating position, the push rod and the fluffy bar mutually draw close locking; When the push rod is in reverse operation position, the push rod mutually draws close locking with the bar.
8. children trolley according to claim 7, it is characterised in that:The top of the front support rod, the fluffy bar bottom, The one end of the rear portion of the bar and the pull bar is mutually rotatably connected by same cradle head.
9. children trolley according to claim 6, it is characterised in that:Institute is provided between the bottom of the front support rod of both sides The first singletree stated, the second described singletree, the top of the push rod of both sides are provided between the back stay of both sides Between be provided with the 3rd described singletree;It is additionally provided with the 5th singletree between the rear portion of the seat bar of both sides, it is fluffy described in both sides The 6th singletree is additionally provided between the top of bar.
10. children trolley according to claim 5, it is characterised in that:The wheel assembly is included before being divided into described in both sides Two groups of front-wheels of pole bottom, two groups of trailing wheels for being divided into back stay bottom described in both sides, when the vehicle frame completes described two After secondary folding, the front-wheel of both sides is mutually drawn close in left-right direction, and the trailing wheel of both sides is drawn close in left-right direction, and it is described before Wheel is positioned at the top of the trailing wheel.
CN201720247565.9U 2017-03-14 2017-03-14 Children trolley Active CN206734372U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115071803A (en) * 2022-08-16 2022-09-20 好孩子儿童用品有限公司 Children's barrow

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115071803A (en) * 2022-08-16 2022-09-20 好孩子儿童用品有限公司 Children's barrow

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