CN107618558A - Children trolley - Google Patents
Children trolley Download PDFInfo
- Publication number
- CN107618558A CN107618558A CN201710753518.6A CN201710753518A CN107618558A CN 107618558 A CN107618558 A CN 107618558A CN 201710753518 A CN201710753518 A CN 201710753518A CN 107618558 A CN107618558 A CN 107618558A
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- Prior art keywords
- connecting rod
- axle
- rod
- side connecting
- front support
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- 230000007246 mechanism Effects 0.000 claims description 6
- 230000007306 turnover Effects 0.000 claims description 2
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention discloses a kind of children trolley, its stroller frame includes being divided into two side stands of both sides, side stand per side includes front support rod, back stay, side connecting rod, push rod, bottom connecting rod, pull bar and seat bar, and wherein back stay is included along the vertical direction with respect to the lower beam and upper boom of sliding extension；Two part phase pivots connection in these three parts of the top of the bottom of side connecting rod, the top of front support rod and upper boom, the 3rd part is pivotally connected on a part in both of the aforesaid part, or above-mentioned three part phase pivots link together；The upper pivot of side connecting rod is connected on push rod；The front portion of bottom connecting rod is pivotally connected on front support rod；Pull bar is pivotally connected on the lower beam, and the back pivot of bottom connecting rod is connected on pull bar, and the top of pull bar and the bottom phase pivot of push rod connect；The back pivot of seat bar is connected on pull bar, and the front portion of seat bar is connected with side connecting rod phase pivot.The stroller frame volume after folding is small and structure is smooth.
Description
Technical field
The present invention relates to a kind of children trolley.
Background technology
Children trolley of the prior art, usually folding structure, to facilitate the daily carrying of user and storage.Mesh
The species of the stroller frame of preceding children trolley is various, and the rod member number of stroller frame is different, and the connection between each rod member is closed
System, link position are different, so as to which folding principle and folding mode are also different.How to ensure to carry out the stable carrying of children
On the premise of simplify stroller frame structure and simplify stroller frame folding mode, be all the time those skilled in the art pursuit
Target.
The content of the invention
It is an object of the invention to provide a kind of children trolley of new structure.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of children trolley, including with deployed condition with
The stroller frame of folded state, located at the anterior front component in the stroller frame bottom, located at stroller frame bottom rear portion
Wheel assembly, and for the locking mechanism by stroller frame locking in the deployed state, the stroller frame includes dividing
Two side stands, the side stand of the stull component, often side that are connected between side stand described in both sides located at the left and right sides
Include：
Front support rod, it extends to gradual updip from front to back；
Back stay, the back stay include extending along a length thereof lower beam and upper boom of the direction with respect to sliding extension；
Side connecting rod, two in the bottom of the side connecting rod, the top of the front support rod and these three parts of the top of the upper boom
Individual part phase pivot connection, the 3rd part are pivotally connected on a part in both of the aforesaid part, or above-mentioned three
Individual part phase pivot links together；
Push rod, the upper pivot of the side connecting rod are connected on the push rod；
Pull bar, the pull bar are pivotally connected on the lower beam, and the top of the pull bar and the bottom phase pivot of the push rod connect
Connect；
Bottom connecting rod, its front portion are pivotally connected on the front support rod, and its rear portion is pivotally connected on the pull bar；
Seat bar, its front portion are pivotally connected on the side connecting rod, and its rear portion is pivotally connected on the pull bar；
When the stroller frame folds, side connecting rod described in the side stand per side turn over and with the push rod collapse in
The rear side of the back stay, the back stay shorten and mutually drawn close with the front support rod along its length.
Preferably, the bottom of the side connecting rod, the seat bar anterior and described upper boom top around first axle rotationally
Link together.
Further, the top of the front support rod is connected with the top of the upper boom around the second axle phase pivot, the upper boom
Including be connected with the lower beam phase sliding extension bar portion, be fixedly arranged on the knock-off joint of the bar portion upper end, first axis connection
In the upper end of the knock-off joint, second axis connection is in the bottom of the knock-off joint.
Further, when the stroller frame is in deployed condition, the front support rod of homonymy, the knock-off joint and
The side connecting rod extends along same length direction；When the stroller frame is in folded state, the front support rod and the side
Connecting rod collapses front and rear sides of pole in the rear and parallel with the back stay respectively respectively.
Preferably, the top of the front support rod, the bottom respectively top phase pivot with the upper boom of the side connecting rod
Connection, when the stroller frame is in deployed condition, the anterior pivoting point between the front support rod of the bottom connecting rod and
Form the first line between pivoting point between the front support rod and the upper boom, the bottom and the lower beam of the side connecting rod it
Between pivoting point and the side connecting rod and the push rod between pivoting point between form the second line, first line and
Angle between two lines is 120 °~180 °.
Preferably, the pull bar is pivotally connected on the lower beam by the 3rd axle, and the pull bar has along the longitudinal direction
Horizontal bar segment, the montant section that is upwardly extended from the rearward end of the horizontal bar segment of extension, the rear portion of the bottom connecting rod with it is described
The anterior of horizontal bar segment is connected by the 4th axle phase pivot, and the 4th axle position is in the front of the 3rd axle.
Further, the top of the montant section is connected with the bottom of the push rod by the 5th axle phase pivot, when described
When stroller frame is in deployed condition, pivoting point and the push rod and the montant section between the side connecting rod and the push rod
Form the 3rd line between pivoting point between upper end, pivoting point between the seat bar rear portion and the montant section and described push away
The 4th line, the folder between the 3rd line and the 4th line are formed between pivoting point between bar and the montant section upper end
Angle is 90 ° to 200 °.
Further, the top of the side connecting rod is pivotally connected on the push rod by the 6th axle, the 6th axle
It is located at the top of the 5th axle on the push rod.
Further, the rear portion of the seat bar is pivotally connected in the montant section by the 7th axle, the 7th axle
Positioned at the top of the 3rd axle.
Preferably, the stull component includes the front rail being fixedly arranged between front support rod bottom described in both sides, and/or fixed
Rear transverse rod between back stay bottom described in both sides, and/or the cross tube being fixedly arranged between push rod described in both sides.
Further, the front component has bottom one or more groups of and installed in the front rail, the rear wheels
Part has two groups, and wheel assembly described in this two groups is separately mounted to back stay bottom described in both sides or the left and right of the rear transverse rod two
End, when the stroller frame is in folded state, the front component in left-right direction positioned at two wheel assemblies it
Between.
Due to the utilization of above-mentioned technical proposal, the present invention has following advantages compared with prior art：The children of the present invention
Stroller, its rod member quantity is few, and simple for structure generous and stability is good under deployed condition, folds and expansion operation is all very simple square
Just, front support rod, back stay, side connecting rod and push rod can closely be collapsed together and showed very stroller frame after folding
Flat structure, brought great convenience for the routine use of user, carrying and storage.
Brief description of the drawings
Accompanying drawing 1 is the stereogram under the children trolley deployed condition of the present invention；
Accompanying drawing 2 is the side view under the children trolley deployed condition of the present invention；
Accompanying drawing 3 is another stereogram under the children trolley deployed condition of the present invention；
Accompanying drawing 4 is the stereogram under the children trolley semi-collapsed condition of the present invention；
Accompanying drawing 5 is the side view under the children trolley semi-collapsed condition of the present invention；
Accompanying drawing 6 is another stereogram under the children trolley semi-collapsed condition of the present invention；
Accompanying drawing 7 is the stereogram under the children trolley folded state of the present invention；
Accompanying drawing 8 is the side view under the children trolley folded state of the present invention；
Accompanying drawing 9 is another stereogram under the children trolley folded state of the present invention；
Wherein：10th, side stand；101st, front rail；201st, rear transverse rod；401st, cross tube；
1st, front support rod；2nd, back stay；21st, lower beam；22nd, upper boom；22a, bar portion；22b, knock-off joint；
3rd, side connecting rod；4th, push rod；5th, bottom connecting rod；6th, pull bar；61st, montant section；62nd, horizontal bar segment；
7th, seat bar；8th, front component；9th, wheel assembly；
11st, first axle；12nd, the second axle；13rd, the 3rd axle；14th, the 4th axle；15th, the 5th axle；16th, the 6th axle；17th, the 7th axle；18、
8th axle.
Embodiment
Technical scheme is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
Referring to the children trolley shown in Fig. 1 to Fig. 9, including stroller frame with deployed condition and folded state, it is located at
The anterior front component 8 in stroller frame bottom, the wheel assembly 9 located at stroller frame bottom rear portion, and for by the stroller frame
The locking mechanism of locking in the deployed state.The stroller frame includes being divided into two side stands 10 of the left and right sides and is connected to
Stull component between both sides side stand 10.
Referring to shown in Fig. 1 to Fig. 3, the side stand 10 per side includes front support rod 1, back stay 2, side pole 3, push rod 4, bottom
Connecting rod 5, pull bar 6 and seat bar 7.
The gradual updip extension from front to back of front support rod 1；Back stay 2 is included along its length with respect to the lower beam 21 of sliding extension
With upper boom 22；Two part phase pivots in the bottom of side connecting rod 3, the top of front support rod 1 and these three parts of the top of upper boom 22
Axis connection, the 3rd part is pivotally connected on a part in both of the aforesaid part, or the bottom of side connecting rod 3, preceding branch
The top of bar 1 and these three part phase pivots of the top of upper boom 22 link together.
The upper pivot of side connecting rod 3 is connected on push rod 4；Bottom connecting rod 5 extends along the longitudinal direction, and its front portion is pivotally connected in
On front support rod 1；Pull bar 6 is pivotally connected on lower beam 21, and the back pivot of bottom connecting rod 5 is connected on pull bar 6, the top of pull bar 6
It is connected with the bottom phase pivot of push rod 4；Seat bar 7 extends along the longitudinal direction, and its rear portion is pivotally connected on pull bar 6, its it is anterior with
The phase pivot of side connecting rod 3 connects.
In certain embodiments, both bottoms of the top of front support rod 1 and side connecting rod 3 respectively top with upper boom 22
Phase pivot is connected, shown in Figure 2, and a points, the top of front support rod 1 are articulated between the bottom of side connecting rod 3 and the top of upper boom 22
B points are articulated between the top of upper boom 22, c points, the top of side connecting rod 3 are articulated between the front portion of bottom connecting rod 5 and front support rod 1
D points are articulated between push rod 4, when stroller frame is in deployed condition, the first line bc of above-mentioned b points and c points composition,
The second line ad that above-mentioned a points are formed with d points, the angle α formed between both are 120 °~180 °.
In the present embodiment, referring to shown in Fig. 1 to Fig. 3, upper boom 22 include with the bar portion 22a of the phase sliding extension of lower beam 21,
The knock-off joint 22b of bar portion 22a upper ends is fixedly arranged on, the bottom of side connecting rod 3 is pivotally connected in the upper of knock-off joint 22b by first axle 11
On end, the top of front support rod 1 is pivotally connected on knock-off joint 22b bottom by the second axle 12.In the present embodiment, bar
Joint 22b length bearing of trend and bar portion 22a length bearing of trend are perpendicular, and above-mentioned first axle 11 is divided with the second axle 12
Not Wei Yu bar portion 22a axial lines front and rear sides.The front portion of seat bar 7 passes through the upper of the first axle 11 and knock-off joint 22b of upper boom 22
The bottom phase pivot of end and side connecting rod 3 links together.When stroller frame is deployed, front support rod 1, knock-off joint 22b and side connect
Bar 3 extends along same length direction.
Referring to shown in each accompanying drawing, pull bar 6 is pivotally connected on the lower beam 21 of back stay 2 by the 3rd axle 13, and the pull bar 6 has
There is the montant section 61 that the horizontal bar segment 62 that extends along the longitudinal direction and the rearward end from horizontal bar segment 62 upwardly extend；Herein, draw
The horizontal bar segment 62 of bar 6 is pivotally connected on lower beam 21 with the joint of montant section 61 by the 3rd above-mentioned axle 13.
The front portion of bottom connecting rod 5 is pivotally connected on front support rod 1 by the 8th axle 18, and the rear portion of bottom connecting rod 5 passes through the 4th axle
14 are connected with the anterior phase pivot of horizontal bar segment 62, and the 4th axle 14 is located at the front of the 3rd axle 13, and the 8th axle 18 is in front support rod 1
The upper lower section for being located at the second axle 12.
Shown in Figure 2, the upper end of montant section 61 is connected to e by the bottom phase pivot of the 5th axle 15 and push rod 4
Point, the upper end of side connecting rod 3 are pivotally connected on push rod 4 by the 6th axle 16, i.e. d points, the 6th axle 16 is located on push rod 4
The top of 5th axle 15；The rear portion of seat bar 7 by the pivot of the 7th axle 17 in the montant section 61 of pull bar 6, i.e. f points, the 7th axle 17
Positioned at the lower section of the 5th axle 15 and positioned at the top of the 3rd axle 13 in montant section 61.When stroller frame is in deployed condition,
Formed between the 4th line ef formed between the 3rd line de, above-mentioned f points and the e points that are formed between above-mentioned d points and e points
Angle β be 90 °~200 °.In the present embodiment, when stroller frame is in deployed condition, montant section 61 and push rod 4 are along same
One length direction extension ground is set.
According to above-mentioned, in the side stand 10 per side, a double leval jib machine is formed between side connecting rod 3, push rod 4, pull bar 6 and seat bar 7
Structure；A slider-crank mechanism is formed between seat bar 7, pull bar 6, back stay 2；Front support rod 1, bottom connecting rod 5, pull bar 6 and back stay 2 it
Between form a sliding block quadric chain, mutually link between above three mechanism and realize the relative exhibition of each rod member in side stand 10
Open and folding.
Referring to shown in Fig. 1, Fig. 3, in the present embodiment, stull component is included before being fixedly arranged between the bottom of both sides front support rod 1
Cross bar 101, the rear transverse rod 201 being fixedly arranged between the bottom of both sides back stay 2, and be fixedly arranged on upper between the top of both sides push rod 4
Cross bar 401.Herein, front rail 101 and the front support rod 1 of both sides are structure as a whole and are in opening up U-shaped, cross tube
401 are structure as a whole with the push rods 4 of both sides and are in downward opening U-shaped；Front component 8 has two groups and is arranged on front rail
101 bottom；Regularly between the bottom of both sides back stay 2, wheel assembly 9 has two groups and respectively pacified rear transverse rod 201
In the left and right ends portion of both sides rear transverse rod 201.Herein, before the spacing between two wheel assemblies 9 in left-right direction is more than two
The occupancy width of wheel assembly 8 in left-right direction.
Referring to shown in Fig. 1 to Fig. 3, when the stroller frame is locked in deployed condition, on the side stand 10 per side, back stay
2 upper boom 22 extends with respect to the expansion elongation of lower beam 21, the horizontal bar segment 62 of bottom connecting rod 5 and pull bar 6 approximately along same length direction,
So that triangle structure between front support rod 1, bottom connecting rod 5, pull bar 6 and back stay 2；Front support rod 1 is with side connecting rod 3 approximately along same
One rectilinear direction extends, and the montant section 61 of push rod 4 and pull bar 6 extends approximately along same length direction so that front support rod 1, side connect
Another triangular structure is formed between bar 3, push rod 4, pull bar 6 and bottom connecting rod 5；Between side connecting rod 3, seat bar 7, pull bar 6 and push rod 4
Also triangular structure is formed.Tailored appearance is generous attractive in appearance in the folded-out situation for vehicle, while also with good rigidity and surely
It is qualitative.
When needing to fold up the stroller frame, after locking mechanism is unlocked, referring to shown in Fig. 4 to Fig. 6, push
Push rod 4 makes its descending, and the upper end of the drive side connecting rod 3 of push rod 4 and the upper end of pull bar 6 are descending together, side connecting rod 3 and seat bar 7
Turned over around first axle 11 with respect to back stay 2, pull bar 6 is rotated so that its montant section 61 is turned over around the 3rd axle 13, is made
Obtain upper boom 22 and the gradually relative slip shortening of lower beam 21 of back stay 2；Meanwhile on pull bar 6 horizontal bar segment 62 leading section therewith
Rearward end that is up and causing bottom connecting rod 5 is up so that is gradually collapsed along the longitudinal direction between front support rod 1 and back stay 2.
Finally, referring to shown in Fig. 7 to Fig. 9, push rod 4 and side connecting rod 3 are collapsed in the rear side of back stay 2, and back stay 2 is along length
Direction is shortened and drawn close with the phase of front support rod 1, and two front components 8 collapse between two wheel assemblies 9 in left-right direction.Specifically,
Front support rod 1 is collapsed in the front and rear sides of back stay 2 respectively with side connecting rod 3, and almost parallel with back stay 2 respectively, and push rod 4 collapses
The rear side of connecting rod 3 and almost parallel with side connecting rod 3 in side.Very smooth compact state is presented in stroller after folding, takes empty
Between it is very small, and ground can be stood on certainly, facilitate the daily storage of user to be used with carrying.
When need deploy stroller frame in use, operator only need pull push rod 4, each bar in stroller frame can be caused
Part relative motion and the opening that links, expansion operation are also very convenient.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent change or modification that Spirit Essence is made, it 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, before the stroller frame bottom
The front component in portion, the wheel assembly located at stroller frame bottom rear portion, and for the stroller frame to be locked in into exhibition
Locking mechanism under open state, the stroller frame include being divided into two side stands of the left and right sides, are connected to described in both sides
Stull component between side stand, it is characterised in that the side stand per side includes：
Front support rod, it extends to gradual updip from front to back；
Back stay, the back stay include extending along a length thereof lower beam and upper boom of the direction with respect to sliding extension；
Side connecting rod, two in the bottom of the side connecting rod, the top of the front support rod and these three parts of the top of the upper boom
Individual part phase pivot connection, the 3rd part are pivotally connected on a part in both of the aforesaid part, or above-mentioned three
Individual part phase pivot links together；
Push rod, the upper pivot of the side connecting rod are connected on the push rod；
Pull bar, the pull bar are pivotally connected on the lower beam, and the top of the pull bar and the bottom phase pivot of the push rod connect
Connect；
Bottom connecting rod, its front portion are pivotally connected on the front support rod, and its rear portion is pivotally connected on the pull bar；
Seat bar, its front portion are pivotally connected on the side connecting rod, and its rear portion is pivotally connected on the pull bar；
When the stroller frame folds, side connecting rod described in the side stand per side turn over and with the push rod collapse in
The rear side of the back stay, the back stay shorten and mutually drawn close with the front support rod along its length.
2. children trolley according to claim 1, it is characterised in that：The bottom of the side connecting rod, the front portion of the seat bar
And the top of the upper boom is pivotally connected together around first axle.
3. children trolley according to claim 2, it is characterised in that：The top of the front support rod and the top of the upper boom
Around the second axle phase pivot connect, the upper boom include be connected with the lower beam phase sliding extension bar portion, be fixedly arranged on the bar portion
The knock-off joint of upper end, the first axle are connected to the upper end of the knock-off joint, and second axis connection is in the knock-off joint
Bottom.
4. children trolley according to claim 3, it is characterised in that：When the stroller frame is in deployed condition, together
The front support rod, the knock-off joint and the side connecting rod of side extend along same length direction；When the stroller frame is in folding
During overlapping state, the front support rod is collapsed the front and rear sides of pole in the rear with the side connecting rod and propped up afterwards with described respectively respectively
Bar is parallel.
5. children trolley according to claim 1, it is characterised in that：Under the top of the front support rod, the side connecting rod
Portion is respectively connected with the top phase pivot of the upper boom, when the stroller frame is in deployed condition, the bottom connecting rod
First is formed between pivoting point between anterior pivoting point and the front support rod and the upper boom between the front support rod to connect
Line, the pivoting point between pivoting point and the side connecting rod and the push rod between the bottom of the side connecting rod and the lower beam it
Between form the second line, the angle between first line and the second line is 120 °~180 °.
6. children trolley according to claim 1, it is characterised in that：The pull bar is pivotally connected in described by the 3rd axle
On lower beam, the pull bar has the horizontal bar segment extended along the longitudinal direction, upwardly extended from the rearward end of the horizontal bar segment
Montant section, the rear portion of the bottom connecting rod are connected with the front portion of the horizontal bar segment by the 4th axle phase pivot, the 4th axle position
In the front of the 3rd axle.
7. children trolley according to claim 6, it is characterised in that：The top of the montant section and the bottom of the push rod
Connected by the 5th axle phase pivot, when the stroller frame is in deployed condition, between the side connecting rod and the push rod
The 3rd line, the seat bar rear portion and institute are formed between pivoting point between pivoting point and the push rod and the montant section upper end
State and the 4th line, institute are formed between the pivoting point between the pivoting point between montant section and the push rod and the montant section upper end
The angle stated between the 3rd line and the 4th line is 90 ° to 200 °.
8. children trolley according to claim 7, it is characterised in that：The top of the side connecting rod is connected by the 6th axle pivot
It is connected on the push rod, the 6th axle is located at the top of the 5th axle on the push rod.
9. children trolley according to claim 6, it is characterised in that：The rear portion of the seat bar is pivotally connected by the 7th axle
In the montant section, the 7th axle position is in the top of the 3rd axle.
10. children trolley according to any one of claims 1 to 9, it is characterised in that：The stull component includes being fixedly arranged on two
Front rail between front support rod bottom described in side, and/or the rear transverse rod being fixedly arranged between back stay bottom described in both sides, and/or
The cross tube being fixedly arranged between push rod described in both sides, the front component have one or more groups of and are arranged under the front rail
Portion, the wheel assembly have two groups, and wheel assembly described in this two groups is separately mounted to back stay bottom or described described in both sides
The left and right ends portion of rear transverse rod, when the stroller frame is in folded state, the front component is located at two in left-right direction
Between the wheel assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710753518.6A CN107618558B (en) | 2017-08-29 | 2017-08-29 | Child cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710753518.6A CN107618558B (en) | 2017-08-29 | 2017-08-29 | Child cart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107618558A true CN107618558A (en) | 2018-01-23 |
| CN107618558B CN107618558B (en) | 2024-01-19 |
Family
ID=61088367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710753518.6A Active CN107618558B (en) | 2017-08-29 | 2017-08-29 | Child cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107618558B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108773408A (en) * | 2018-07-02 | 2018-11-09 | 好孩子儿童用品有限公司 | A kind of children trolley |
| CN109278838A (en) * | 2018-11-02 | 2019-01-29 | 好孩子儿童用品有限公司 | Children trolley |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2015436A (en) * | 1978-02-17 | 1979-09-12 | Ettridge J P | Collapsible Child's Carriage |
| CN206384003U (en) * | 2016-12-01 | 2017-08-08 | 好孩子儿童用品有限公司 | Children trolley |
| CN207311559U (en) * | 2017-08-29 | 2018-05-04 | 好孩子儿童用品有限公司 | Children trolley |
-
2017
- 2017-08-29 CN CN201710753518.6A patent/CN107618558B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2015436A (en) * | 1978-02-17 | 1979-09-12 | Ettridge J P | Collapsible Child's Carriage |
| CN206384003U (en) * | 2016-12-01 | 2017-08-08 | 好孩子儿童用品有限公司 | Children trolley |
| CN207311559U (en) * | 2017-08-29 | 2018-05-04 | 好孩子儿童用品有限公司 | Children trolley |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108773408A (en) * | 2018-07-02 | 2018-11-09 | 好孩子儿童用品有限公司 | A kind of children trolley |
| CN108773408B (en) * | 2018-07-02 | 2024-08-27 | 好孩子儿童用品有限公司 | Child cart |
| CN109278838A (en) * | 2018-11-02 | 2019-01-29 | 好孩子儿童用品有限公司 | Children trolley |
| CN109278838B (en) * | 2018-11-02 | 2024-05-10 | 好孩子儿童用品有限公司 | Child cart |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107618558B (en) | 2024-01-19 |
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