CN108177679A - Children trolley - Google Patents
Children trolley Download PDFInfo
- Publication number
- CN108177679A CN108177679A CN201810017920.2A CN201810017920A CN108177679A CN 108177679 A CN108177679 A CN 108177679A CN 201810017920 A CN201810017920 A CN 201810017920A CN 108177679 A CN108177679 A CN 108177679A
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- China
- Prior art keywords
- axis
- poppet
- bar
- pivotally connected
- fore
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims description 11
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 241001416181 Axis axis Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- 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
- B62B7/064—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable the handle bar being parallel to the front leg
-
- 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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- 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
- B62B7/086—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 becoming smaller in all three dimensions
Abstract
The invention discloses a kind of children trolleys, the side stand of each side of its stroller frame includes the fore-stock that end is mutually rotatablely connected, after-poppet, push rod, side stand per side further includes extension and forepart along the longitudinal direction and is pivotally connected in the front rod on fore-stock, it vertically extends and upper pivot is connected to upper connecting rod on push rod, it is pivotally connected in the back link of the rear portion phase pivot connection of on after-poppet and forepart and front rod, and seat bar assembly, wherein, seat bar assembly includes being pivotally connected in the front stall bar on after-poppet top and opposite front stall bar slides the back seat bar of setting, the rear portion of back link, the connection of the two phase pivot and the third party in the rear portion of back seat bar and this three of the lower end of upper connecting rod are pivotally connected in one of both aforementioned upper or three and are rotatably connected around same rotary centerline.The stroller frame is simple for structure, and folding operation is also very simple and convenient, and the stroller frame after folding is integrally flat carefully and neatly done, and volume is sufficiently small, and convenience in transport carries.
Description
Technical field
The present invention relates to a kind of children trolleys.
Background technology
Children trolley carries infant's trip for user and plays an important role in daily life, has become youngster at present
One of indispensable articles for children in virgin developmental process.In the prior art, the structure of children trolley is varied, each rod piece
Connection relation is also different, the bearing stability of cart, the mode for installing seat, vehicle frame folding mode and folding principle
Different, the form and volume after folding are also different.How so that children trolley on the basis with good load
On, the structure of rod piece is simpler, folding operation is more convenient and the volume smaller after folding, and is always those skilled in the art
The target persistently pursued.
Invention content
The object of the present invention is to provide a kind of children trolleys simple in structure, folding operation is convenient, folded flat is small.
In order to achieve the above objectives, the technical solution adopted by the present invention is：A kind of children trolley, including with unfolded state with
The stroller frame of folded state, set on the front component of stroller frame bottom forepart, set on stroller frame bottom rear portion
Wheel assembly and for by stroller frame locking locking mechanism in the deployed state, the stroller frame to include
The stull component for being divided into two side stands of the left and right sides and being connected between side stand described in both sides, it is described collateral per side
Frame includes the fore-stock, after-poppet and the push rod that respectively vertically extend, the top of the fore-stock, the top of after-poppet
And two components in these three components of the lower part of push rod are pivotally connected and third component is pivotally connected in both of the aforesaid component
In a component on or described three components be pivotally connected to together around same rotary centerline,
The side stand per side further include extension and forepart along the longitudinal direction be pivotally connected in front rod on the fore-stock,
It vertically extends and upper connecting rod that upper pivot is connected on the push rod, is pivotally connected on the after-poppet and forepart
The back link and seat bar assembly being connect with the rear portion phase pivot of the front rod, wherein, the seat bar assembly includes pivot
The front stall bar and the front stall bar relatively for being connected to the after-poppet top slide the back seat bar of setting, after the back link
The connection of the two phase pivot and third party's pivot in portion, the rear portion of the back seat bar and this three of the lower end of the upper connecting rod connect
It is connected on one of both aforementioned or under the rear portion of the back link, the rear portion of the back seat bar and the upper connecting rod
This three of end rotatably connects around same rotary centerline.
Preferably, on the side stand per side, four are formed between the fore-stock, after-poppet, front rod and back link
Link mechanism forms slider-crank mechanism between the seat bar assembly, back link and after-poppet, when the stroller frame folds
When, the relatively described front stall bar of the back seat bar slides backward, and the push rod is turned over and collapsed after the after-poppet
Side.
Preferably, the front stall bar in the seat bar assembly is sliding sleeve bar, and the forepart of the back seat bar is along the sliding sleeve
The length extending direction of bar is slidably plugged in the sliding sleeve bar.
Preferably, the top of the fore-stock is connect by first axle with the top phase pivot of the after-poppet, described to push away
The lower part of bar is connect by the second axis with the top phase pivot of the after-poppet, the axis of the axial line of the first axle and the second axis
Heart line is mutually parallel or collinearly extends；The lower part of the upper connecting rod is pivotally connected in by third axis on the back seat bar, described
It is connected between the rear portion of back link and the back seat bar by the 4th axis phase pivot, the axial line of the third axis and the described 4th
The axial line of axis is mutually parallel or collinearly extends.
Further, the after-poppet includes the back stay of updip extension from back to front and is installed in the back stay top
And the connecting rod of updip extension from front to back, the top of the fore-stock is pivotally connected in the connecting rod by the first axle
Lower part, the lower part of the push rod is pivotally connected in the top of the connecting rod by second axis.
Further, the front stall bar in the seat bar assembly is pivotally connected in the connecting rod by the 5th axis
On, the 5th axis is in the connecting rod between the first axle and second axis, and the 5th axle position is in institute
It states at the position that connecting rod connects with the back stay.
Further, the back link is pivotally connected in by the 6th axis on the after-poppet, the forepart of the back link
It is connect with the rear portion of the front rod by the 7th axis phase pivot；The forepart of the front rod is pivotally connected in institute by the 8th axis
It states on fore-stock, the 8th axis is located at the lower section of the first axle on the fore-stock；The top of the upper connecting rod passes through
9th axis is pivotally connected on the push rod, and the 9th axis is located at the top of second axis on the push rod.
Preferably, the lower part of the fore-stock per side is equipped with the front component described in one group, the rear branch per side
The lower part of frame is equipped with the wheel assembly described in one group, between front component described in both sides between left and right away from more than after described in both sides
Between wheel assembly between left and right away from, when the fore-stock and the after-poppet collapse along the longitudinal direction, rear wheels described in two groups
Part is collapsed in left-right direction between front component described in two groups.
Preferably, the stull component can be arranged on to folding between the side stand of both sides in left-right direction, described
Stull component include can respectively be unfolded in left-right direction with collapse front strut component and/or back brace bar assembly, wherein, it is described
Front strut component be arranged on both sides the fore-stock and both sides described in front stall bar forepart between, the back brace bar assembly is set
Between the forepart of back link described in the after-poppet of both sides and both sides.
Further, the back brace bar assembly is rear cross support component, and the rear cross support component includes middle part phase pivot
Two rear poles of axis connection, the one end of the every rear pole be rotationally connected to the lower part of after-poppet described in side and its
The other end is rotationally connected to the forepart of back link described in opposite side, and the rear pole rotates with the back link and connect
Position be located at the front of the front rod and the back link phase pivot link position on connecting rod in the rear；The front strut
Component is preceding cross support component, and the preceding cross support component includes two front struts of middle part phase pivot connection, described in every
Front strut one end be rotationally connected to the lower part of fore-stock described in side and its other end be rotationally connected to it is another
The forepart of front stall bar described in side, and the front strut position connecting that rotates with the front stall bar is located on the front stall bar
The front of position that the front stall bar is connect with the after-poppet phase pivot.
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
Cart, wherein the stroller frame structure by using new structure and folding principle so that stroller frame is in the deployed state
Now very succinct structure, and it is also with good stability simultaneously, the folding operation of the stroller frame is also very simple and convenient, folding
The stroller frame of poststack is integrally flat carefully and neatly done, and volume is sufficiently small, and convenience in transport carries.
Description of the drawings
Attached drawing 1 is the stereogram one under the children trolley unfolded state of the present invention；
Attached drawing 2 is the stereogram two under the children trolley unfolded state of the present invention；
Attached drawing 3 is the side view under the children trolley unfolded state of the present invention；
Attached drawing 4 is the stereogram one under the children trolley semi-collapsed condition of the present invention；
Attached drawing 5 is the stereogram two under the children trolley semi-collapsed condition of the present invention；
Attached drawing 6 is the side view under the children trolley semi-collapsed condition of the present invention；
Attached drawing 7 is the stereogram one under the children trolley folded state of the present invention；
Attached drawing 8 is the stereogram two under the children trolley folded state of the present invention；
Attached drawing 9 is the side view under the children trolley folded state of the present invention；
Wherein：100th, side stand；20th, front component；30th, wheel assembly；1st, fore-stock；2nd, after-poppet；21st, back stay；22nd, even
Extension bar；3rd, push rod；4th, front rod；5th, back link；6th, upper connecting rod；7th, seat bar assembly；71st, front stall bar；72nd, back seat bar；8th, preceding support
Bar assembly；81st, front strut；82nd, the first connector；83rd, the second connector；9th, back brace bar assembly；91st, rear pole；92nd, third connects
Fitting；93rd, the 4th connector；11st, first axle；12nd, the second axis；13rd, third axis；14th, the 4th axis；15th, the 5th axis；16th, the 6th
Axis；17th, the 7th axis；18th, the 8th axis；19th, the 9th axis.
Specific embodiment
Technical scheme of the present invention is further elaborated in the following with reference to the drawings and specific embodiments.
Below in relation in the description in direction, be with the children trolley by carry out use when operator observed by before
Left and right directions is as with reference to definition afterwards.
Referring to Fig. 1 to children trolley shown in Fig. 9, including the stroller frame with unfolded state and folded state, set
Front component 20 in stroller frame bottom forepart and the wheel assembly 30 set on stroller frame bottom rear portion and for by cart vehicle
The locking mechanism of frame locking in the deployed state, the stroller frame include being divided into two side stands 100 of the left and right sides and connect
The stull component being connected between both sides side stand 100.
Referring to shown in Fig. 1 to Fig. 3, the side stand 100 per side include the fore-stock 1 respectively vertically extended, after
Stent 2 and push rod 3, two component phases in the top of fore-stock 1, the top of after-poppet 2 and these three components of the lower part of push rod 3
Be pivotally connected and third component be pivotally connected on a component in both of the aforesaid component or above-mentioned three components around
Same rotary centerline phase pivot connection.
Side stand 100 per side further includes front rod 4, back link 5, upper connecting rod 6 and seat bar assembly 7, wherein, front rod 4
Extend along the longitudinal direction, forepart is pivotally connected on fore-stock 1；Upper connecting rod 6 vertically extends and upper part pivot connects
It is connected on push rod 3；Back link 5 is pivotally connected on after-poppet 2, which has the forepart and position for being located at 2 front side of after-poppet
In the rear portion of 2 rear side of after-poppet, the forepart of back link 5 is connect with the rear portion phase pivot of front rod 4；Seat bar assembly 7 includes pivot
Be connected to the front stall bar 71 on 2 top of after-poppet and opposite front stall bar 71 slide the back seat bar 72 of setting, the lower part of upper connecting rod 6, after
The connection of the two phase pivot and the third party in the rear portion of connecting rod 5 and this three of the rear portion of back seat bar 72 are pivotally connected in aforementioned two
This three of on one of person or rear portion of the lower part of upper connecting rod 6, the rear portion of back link 5 and back seat bar 72 is around same turn
Dynamic center line rotatably connects.
As shown in Figure 1 to Figure 3, in the present embodiment, the top of fore-stock 1 passes through first axle 11 and the top phase of after-poppet 2
It is pivotally connected, the lower part of push rod 3 is connect by the second axis 12 with the top phase pivot of after-poppet 2,11 and second axis 12 of first axle
Axial line be mutually parallel and be divided into the front and rear sides of after-poppet 2.Herein, specifically, after-poppet 2 is in T fonts, including
The back stay 21 of updip extension from back to front and the connecting rod 22 for being installed in 21 top of back stay and updip extension from front to back, it is preceding
The top of stent 1 is pivotally connected in the lower end of connecting rod 22 by first axle 11, and the lower end of push rod 3 passes through 12 pivot of the second axis
Axis connection is in the upper end of connecting rod 22.It certainly, in certain embodiments, can also be by the axle center of 11 and second axis 12 of first axle
Line is set as collinearly extending.
As shown in Figure 1 to Figure 3, in the present embodiment, the lower part of upper connecting rod 6 is pivotally connected in back seat bar 72 by third axis 13
Rear portion, between the rear portion of back link 5 and the rear portion of back seat bar 72 by 14 phase pivot of the 4th axis connect, above-mentioned third axis 13
The axial line of axial line and the 4th axis 14 is set with collinearly extending.Certainly, in certain embodiments, can also by third axis 13 with
The axial line of 4th axis 14 is set as being mutually parallel.
Referring to shown in Fig. 1 to Fig. 3, in the present embodiment, on the side stand 100 per side, in seat bar assembly 7, front stall bar 71 is adopted
For sliding sleeve bar, the forepart of back seat bar 72 is slidably plugged in front stall bar 71 along the length extending direction of front stall bar 71, makes
Obtaining back seat bar 72 can along the longitudinal direction stretch with respect to front stall bar 71；Front stall bar 71 is pivotally connected in after-poppet by the 5th axis 15
In 2 connecting rod 22, the 5th axis 15 is in connecting rod 22 between 11 and second axis 12 of first axle.Herein, the 5th
Axis 15 is located at the position that connecting rod 22 connects with back stay 21.
In the present embodiment, on the side stand 100 per side, back link 5 is pivotally connected in after-poppet 2 by the 6th axis 16
On, the forepart of back link 5 is connect with the rear portion of front rod 4 by 17 phase pivot of the 7th axis；The forepart of front rod 4 passes through the 8th axis
18 are pivotally connected on fore-stock 1, and the 8th axis 18 is located at the lower section of first axle 11 on fore-stock 1；The top of upper connecting rod 6 leads to
It crosses the 9th axis 19 to be pivotally connected on push rod 3, the 9th axis 19 is located at the top of the second axis 12 on push rod 3.
In this way, referring to shown in attached drawing 3, on the side stand 100 per side, fore-stock 1, after-poppet 2, front rod 4 and back link 5
Between form four-bar mechanism, form slider-crank mechanism between seat bar assembly 7, back link 5 and after-poppet 2.Work as stroller frame
It is locked under unfolded state, fore-stock 1, connecting rod 22, push rod 3 extend approximately along same length direction, front rod 4, back link 5
And a big stable triangle structure is formed between upper connecting rod 6 and fore-stock 1, connecting rod 22 and push rod 3；Seat bar assembly 7 with
A small triangle knot is respectively formed between push rod 3 and upper connecting rod 6 and between seat bar assembly 7 and back link 5 and after-poppet 2
Structure, the side stand 100 after expansion are presented a highly stable structure, have good bearing stability.When stroller frame folds
When, when push rod 3 is turned over so that the lower part downlink of upper connecting rod 6 and back seat bar 72 is driven to be slided backward with respect to front stall bar 71, together
When bar assembly 7 is rotated relative to after-poppet 2, so as to drive each bar in above-mentioned slider-crank mechanism and four-bar mechanism
Part relative motion and cause side stand 100 in each rod piece gradually collapse together, realize side stand 100 folding.
It can be set to folding in left-right direction referring to the stull component shown in each attached drawing, being connected between both sides side stand 100
It puts between the side stand 100 of both sides.The stull component includes the front strut component 8 with folding can respectively be unfolded in left-right direction
And/or back brace bar assembly 9, wherein, front strut component 8 be arranged on the fore-stock 1 of both sides and the front stall bar 71 of both sides forepart it
Between, back brace bar assembly 9 is arranged between the after-poppet 2 of both sides and the forepart of both sides back link 5.
Specifically, join shown in Fig. 1, Fig. 2, front strut component 8 is preceding cross support component, which includes middle part
Two front struts 81 of phase pivot connection, before the one end of the front strut 81 is rotationally connected to side by the first connector 82
The lower part of stent 1, the other end are rotationally connected to the forepart of opposite side front stall bar 71 by the second connector 83, herein,
First connector 82 is arranged at the 8th axis 18, and the second connector 83 is located at the 5th axis on the length extending direction of front stall bar 71
15 front.
It is rear cross support component that back brace bar assembly 9 uses herein, which connects including middle part phase pivot
Two rear poles 91, the one end of every rear pole 91 is rotationally connected to side back link 5 by third connector 92
Forepart, the other end are rotationally connected to the lower part of opposite side after-poppet 2 by the 4th connector 93, herein, third connection
Part 92 is located at the front of the 7th axis 17 on the length extending direction of back link 5, and the 4th connector 93 is located at the on after-poppet 2
The lower section of six axis 16.
Referring to shown in each attached drawing, on the side stand 100 of each side, the lower part of fore-stock 1 is equipped with one group of front component 20, after
The lower part of stent 2 is equipped with one group of wheel assembly 30, when stroller frame is in unfolded state, between two groups of front components 20
Between left and right away from more than between both sides wheel assembly 30 between left and right away from.Setting enables to front component 20 in stroller frame in this way
It is turned to during implementation more flexibly, it is laborsaving to carry out operation enhanced convenience.When stroller frame folds, fore-stock 1 with
After-poppet 2 is drawn close along the longitudinal direction, and two groups of wheel assemblies 30 are collapsed in left-right direction between two groups of front components 20.
In this way, when stroller frame is unfolded, as shown in Figure 1 to Figure 3, the side stand 100 of both sides is unfolded respectively, front strut group
Part 8 and back brace bar assembly 9 are unfolded and are transversely supported between the side stand 100 of both sides to provide cart in left-right direction respectively
Vehicle frame is with the support of left and right directions.
When needing folding stroller frame, as shown in Figures 4 to 6, it is made when pushing push rod 3 with respect to after-poppet 2 backward
Overturning so that 6 downlink of upper connecting rod simultaneously drives back seat bar 72 to be slid rearwardly out with respect to front stall bar 71, front stall bar 71 around the 5th axis 15 backward
Overturning so that back link 5 is turned over around 16 opposite after-poppet 2 of the 6th axis, and the rear portion of front rod 4 correspondingly moves upwards and band
Dynamic fore-stock 1 gradually collapses along the longitudinal direction with after-poppet 2 so that fore-stock 1 is collapsed with push rod 3 before after-poppet 2 respectively
Both sides afterwards.During each rod piece on the side stand 100 of above-mentioned both sides relatively rotates folding, front strut component 8 two before
Strut 81 relatively rotates folding, and two rear poles 91 of back brace bar assembly 9 relatively rotate folding, so that the side stand of both sides
100 gradually collapse in left-right direction.
Finally, each rod piece of each side side stand 100 rotates gathering respectively, and the side stand 100 of both sides is received in left-right direction
Hold together, two wheel assemblies 30 are collapsed between two front components 20, form structure as shown in Figure 7 to 9, the cart vehicle after folding
Frame structure is very smooth, compact, can also stand on ground certainly, reduces occupied space, and convenience in transport carries.
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, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of children trolley, including the stroller frame with unfolded state and folded state, before the stroller frame bottom
The front component in portion, set on the wheel assembly at stroller frame bottom rear portion and for the stroller frame to be locked in exhibition
Locking mechanism under open state, the stroller frame include being divided into two side stands of the left and right sides and are connected to both sides institute
The stull component between side stand is stated, the side stand per side includes the fore-stock respectively vertically extended, rear branch
Frame and push rod, two component pivots in these three components of the lower part on the top of the fore-stock, the top of after-poppet and push rod
It connects and third component is pivotally connected on a component in both of the aforesaid component or described three components are around same
Rotary centerline is pivotally connected to together, it is characterised in that：
The side stand per side further include extension and forepart along the longitudinal direction be pivotally connected in front rod on the fore-stock,
It vertically extends and upper connecting rod that upper pivot is connected on the push rod, is pivotally connected on the after-poppet and forepart
The back link and seat bar assembly being connect with the rear portion phase pivot of the front rod, wherein, the seat bar assembly includes pivot
The front stall bar and the front stall bar relatively for being connected to the after-poppet top slide the back seat bar of setting, after the back link
The connection of the two phase pivot and third party's pivot in portion, the rear portion of the back seat bar and this three of the lower end of the upper connecting rod connect
It is connected on one of both aforementioned or under the rear portion of the back link, the rear portion of the back seat bar and the upper connecting rod
This three of end rotatably connects around same rotary centerline.
2. children trolley according to claim 1, it is characterised in that：Per side the side stand on, the fore-stock, after
Four-bar mechanism is formed between stent, front rod and back link, crank is formed between the seat bar assembly, back link and after-poppet
Slide block mechanism, when the stroller frame folds, the relatively described front stall bar of the back seat bar slides backward, and the push rod is backward
It overturns and collapses in the rear side of the after-poppet.
3. children trolley according to claim 1, it is characterised in that：The front stall bar in the seat bar assembly is sliding sleeve
Bar, the length extending direction of forepart along the sliding sleeve bar of the back seat bar are slidably plugged in the sliding sleeve bar.
4. children trolley according to claim 1, it is characterised in that：The top of the fore-stock by first axle with it is described
The top phase pivot connection of after-poppet, the lower part of the push rod are connect by the second axis with the top phase pivot of the after-poppet,
The axial line of the axial line of the first axle and the second axis is mutually parallel or collinearly extends；The lower part of the upper connecting rod passes through third
Axis is pivotally connected on the back seat bar, is connected between the rear portion of the back link and the back seat bar by the 4th axis phase pivot
It connects, the axial line of the axial line of the third axis and the 4th axis is mutually parallel or collinearly extends.
5. children trolley according to claim 4, it is characterised in that：The after-poppet includes updip extension from back to front
Back stay and the connecting rod for being installed in the back stay top and updip extension from front to back, the top of the fore-stock passes through institute
State the lower part that first axle is pivotally connected in the connecting rod, the lower part of the push rod is pivotally connected in described by second axis
The top of connecting rod.
6. children trolley according to claim 5, it is characterised in that：The front stall bar in the seat bar assembly passes through
Five axis are pivotally connected in the connecting rod, and the 5th axis is located at the first axle and second axis in the connecting rod
Between, and at the position that connects in the connecting rod with the back stay of the 5th axle position.
7. children trolley according to claim 4, it is characterised in that：The back link is pivotally connected in institute by the 6th axis
It states on after-poppet, the forepart of the back link is connect with the rear portion of the front rod by the 7th axis phase pivot；The front rod
Forepart be pivotally connected on the fore-stock by the 8th axis, the 8th axis on the fore-stock be located at the first axle
Lower section；The top of the upper connecting rod is pivotally connected in by the 9th axis on the push rod, and the 9th axis is on the push rod
Positioned at the top of second axis.
8. children trolley according to claim 1, it is characterised in that：The lower part of the fore-stock per side is equipped with one group
The front component, the lower part of the after-poppet per side are equipped with the wheel assembly described in one group, front wheels described in both sides
Between part between left and right away from more than between wheel assembly described in both sides between left and right away from when the fore-stock and the after-poppet edge
When front-rear direction collapses, wheel assembly is collapsed in left-right direction between front component described in two groups described in two groups.
9. according to claim 1 to 8 any one of them children trolley, it is characterised in that：The stull component can be along right and left
It to folding is arranged between the side stand of both sides, the stull component includes respectively to be unfolded and receiving in left-right direction
The front strut component and/or back brace bar assembly held together, wherein, the front strut component is arranged on the fore-stock and the both sides of both sides
Between the forepart of the front stall bar, the back brace bar assembly is before back link described in the after-poppet of both sides and both sides
Between portion.
10. children trolley according to claim 9, it is characterised in that：The back brace bar assembly be rear cross support component, institute
The rear cross support component stated includes two rear poles of middle part phase pivot connection, and the one end of the every rear pole rotationally connects
It is connected on the lower part of after-poppet described in side and its other end and is rotationally connected to the forepart of back link described in opposite side, and described
The rear pole position connecting that rotates with the back link is located at the front rod and the back link phase on connecting rod in the rear
It is pivotally connected the front of position；The front strut component is preceding cross support component, and the preceding cross support component includes middle part phase
Two front struts being pivotally connected, the one end of the front strut described in every are rotationally connected to the lower part of fore-stock described in side
And its other end is rotationally connected to the forepart of front stall bar described in opposite side, and the front strut rotates with the front stall bar
The position of connection is located at the front of position that the front stall bar is connect with the after-poppet phase pivot on the front stall bar.
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| CN201810017920.2A CN108177679B (en) | 2018-01-09 | 2018-01-09 | Child cart |
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| CN108177679B CN108177679B (en) | 2023-12-29 |
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| CN109278838A (en) * | 2018-11-02 | 2019-01-29 | 好孩子儿童用品有限公司 | Children trolley |
| WO2021258601A1 (en) * | 2020-06-23 | 2021-12-30 | 郑州贝欧科安全科技股份有限公司 | Luggage box-type folding child stroller |
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| US20080061534A1 (en) * | 2006-09-11 | 2008-03-13 | Hung-Tsun Chen | Folding device for strollers |
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| CN107042839A (en) * | 2016-12-06 | 2017-08-15 | 好孩子儿童用品有限公司 | Go-cart for double child |
| CN207955754U (en) * | 2018-01-09 | 2018-10-12 | 好孩子儿童用品有限公司 | Children trolley |
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| CN101138986A (en) * | 2007-09-29 | 2008-03-12 | 好孩子儿童用品有限公司 | Children's barrow |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021258601A1 (en) * | 2020-06-23 | 2021-12-30 | 郑州贝欧科安全科技股份有限公司 | Luggage box-type folding child stroller |
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| CN108177679B (en) | 2023-12-29 |
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